54results about How to "Achieve deformation" patented technology

The invention provides a middle and primary school multi-person interactive teaching method and system based on a VR technology, and relates to the technical field of virtual reality, and the method comprises the steps: generating a model through deep learning based on pre-obtained teaching aid model data, determining subcomponents, combining a teaching aid generation engine, and constructing a virtual teaching aid; a color image and a depth image are obtained through a structured light depth camera, two-dimensional pixel coordinates are obtained, depth information is combined, a three-dimensional skeleton curve of limb movement of a student is generated, an optical motion capture result is obtained, an inertial motion capture result is obtained through inertial drift calibration based on the three-dimensional skeleton curve, and a limb movement three-dimensional track of the student is reconstructed; generating a force feedback signal by solving a kinetic equation through a collision detection algorithm based on the three-dimensional trajectory of the limb movement of the trainee; and rendering the virtualization model into a virtual teaching scene, synchronizing the limb movement three-dimensional track and the force feedback signal in real time, and generating a multi-person collaborative interaction process of the virtual teaching aid.

The invention discloses a multi-degree-of-freedom morphing wing based on a zero poisson ratio superstructure, and belongs to the technical field of morphing wings. The wing comprises a front edge section, a wing body and a rear edge section which are sequentially connected, the front edge section comprises an inner side front edge plate, a middle front edge plate and an outer side front edge plate, the wing body comprises a plurality of zero-Poisson-ratio honeycomb structures, each zero-Poisson-ratio honeycomb structure is formed by arraying a plurality of zero-Poisson-ratio unit cell cubic structures, and the adjacent zero-Poisson-ratio unit cell cubic structures share a connecting rod; the rear edge section comprises an inner side rear edge plate, a middle rear edge plate and an outer side rear edge plate; the inner-side front edge plate and the inner-side rear edge plate, the middle front edge plate and the middle rear edge plate, and the outer-side front edge plate and the outer-side rear edge plate are respectively connected through zero-Poisson-ratio honeycomb structures which are arranged along the chord length direction of the wing; the two sides of the middle front edge plate are connected with the inner side front edge plate and the outer side front edge plate through zero-Poisson-ratio honeycomb structures arranged in the extension direction of the wing correspondingly, and the two sides of the middle rear edge plate are connected with the inner side rear edge plate and the outer side rear edge plate through zero-Poisson-ratio honeycomb structures arranged in the extension direction of the wing correspondingly. The wing has four deformation functions of variable elongation, chord length, dihedral angle and camber, so that the aircraft can adapt to different flight environments and tasks.

The invention discloses a skin color and facial form variable expression robot. The eyebrow mechanism and the eye mechanism are fixedly connected, the eyebrow mechanism, the eye mechanism and the mouth mechanism are all connected with the deformation mechanism, the eyebrow mechanism, the mouth mechanism and the deformation mechanism are all installed on the head shell mechanism, the neck mechanism is fixedly installed at the bottom end of the mouth mechanism, and the skin color changing mechanism is attached to the head shell mechanism and used for achieving replacement of the skin color of the robot. The deformation mechanism is mainly driven by a worm and gear structure, and deformation of the eyebrow and the mouth of the robot is achieved through the worm and gear structure. According to the machine, self-adaptive face transformation according to human face characteristics is achieved, the face shape, the skin color and the pupil color can be rapidly changed according to different application scenes, rich mouth shapes can be achieved, and the requirement for real-time dialogue is met.

The invention provides a flexible braided electrode and an electrochemical polishing method for a complex inner channel, and belongs to the technical field of electrochemical machining. The flexible braided electrode is formed by mutually braiding a plurality of flexible conductive wires and a plurality of flexible insulating wires according to a certain interval, the diameter of the insulating wires is larger than that of the conductive wires, and steps with a certain height are naturally formed between the insulating wires and the conductive wires, so that short-circuit burn caused by contact between the conductive metal wires and an inner channel can be avoided, mass transfer can be enhanced, and product discharge can be accelerated; the flexible woven electrode is of a hollow net-shaped cylindrical structure, internal and external compound flushing can be achieved, and the flushing effect is improved. During polishing, the flexible braided electrode can be bent and deformed in a bent inner channel in a self-adaptive manner, internal and external compound flushing is performed by utilizing the internal and external through characteristic, and electrochemical polishing of the complex inner channel is realized by combining rotation and reciprocating motion of the electrode. The invention provides the flexible braided electrode with ingenious conception, and the flexible braided electrode is supplemented with an innovative process method, so that high-efficiency and high-quality finishing of a complex inner channel can be realized.

The utility model discloses an automobile forecabin integrated module shock pad assembly, which relates to the technical field of automobile shock absorption and comprises a hexagon socket screw, a limiting gasket and an inner mounting pipe are sleeved on the hexagon socket screw, the limiting gasket is positioned at a position close to the head of the hexagon socket screw, one end of the inner mounting pipe is abutted against the limiting gasket, and the other end of the inner mounting pipe is abutted against the limiting gasket. An I-shaped rubber pad is mounted on the mounting inner pipe, and a shock pad assembly is formed by the hexagon socket screws, the limiting gaskets, the mounting inner pipe and the I-shaped rubber pad, is mounted between the automobile forecabin thermal management integrated module and an automobile body cross beam, and plays a role in attenuating a vibration excitation source generated when the thermal management integrated module works; and vibration and noise transmitted into the vehicle when the heat management integrated module works are reduced, so that the effect of improving the NVH comfort of the whole vehicle is achieved.

The invention discloses an electromagnetically driven variable expression robot. The eyebrow mechanism, the eye mechanism, the nose mechanism and the mouth mechanism are all connected with the shell mechanism, the eyebrow mechanism and the mouth mechanism are installed at the top end and the bottom end of the eye mechanism respectively, the nose mechanism is installed on the mouth mechanism, the eyebrow mechanism, the eye mechanism and the mouth mechanism are all connected with the deformation mechanism, and the eye mechanism and the mouth mechanism are mainly driven by electromagnets. Rotation of eyeballs and opening and closing of eyelids in the eye mechanism and multi-degree-of-freedom deformation of the mouth mechanism are controlled through an electromagnet, and the deformation mechanism is driven by a worm and gear structure. According to the invention, the electromagnet is adopted for driving, rapid and real-time driving response can be realized, the requirements of frequencies required by facial expressions, eye actions and mouth actions are met, and the worm and gear structure is adopted to realize the deformation of eyebrows and eyes and the mouth, realize the enlargement and shrinkage of the face and match different facial forms.

The invention discloses a method and system for dynamically evaluating trafficability of a monorail crane in an underground coal mine roadway, and the method comprises the steps: obtaining roadway video information through video collection equipment, and analyzing and recognizing the position of roadway rock damage or deformation; for the damaged or deformed position, the running speed of the monorail crane is reduced in advance, and the deformation amount is analyzed through the three-dimensional laser point cloud technology; preliminarily judging the trafficability of the monorail crane in the current roadway by referring to the range of the key size of the monorail crane, and if the monorail crane is impassable, performing multipoint cloud offline fitting accurate judgment; and evaluating the trafficability of the monorail crane according to the judgment result, and providing driving suggestions for the monorail crane. According to the method, the trafficability of the monorail crane in the underground coal mine roadway can be dynamically evaluated, and safe operation of the monorail crane is guaranteed.

The invention discloses a mouth multi-degree-of-freedom expression robot. The eyebrow mechanism, the eye mechanism, the nose mechanism and the mouth mechanism are all connected with the shell mechanism, the eyebrow mechanism and the mouth mechanism are installed at the top end and the bottom end of the eye mechanism respectively, the nose mechanism is installed on the mouth mechanism, the eyebrow mechanism, the eye mechanism and the mouth mechanism are all connected with the deformation mechanism, and the mouth mechanism is mainly driven by an electromagnet. Multi-degree-of-freedom movement of the mouth mechanism is controlled through an electromagnet, an eyebrow deformation unit and a mouth deformation unit in the deformation mechanism are driven by a worm and gear structure, and eyebrow and mouth deformation of the robot is achieved through the worm and gear structure. According to the invention, the electromagnet is adopted for driving, rapid and real-time driving response can be realized, the requirement of frequency required by facial expressions and mouth actions is met, and the worm and gear structure is adopted, so that the eyebrow and mouth deformation can be realized, the enlargement and shrinkage of the face can be realized, and different facial forms can be matched.

The application discloses a device and method for bending and deforming micro-nano samples in-situ in an electron microscope, and belongs to the field of scanning / transmission electron microscope accessories and micro-nano material mechanical property measurement research. The device comprises four parts, namely a supporting part, a driving part, a bending loading part and a sample stage part. One end of the nano material is fixed to a suspended part at the front end of the sample stage, and the other end is a free end. The free end of the nano material is pushed by the bending loading part driven by the heating and bending bimetallic strip, so that the nano material achieves the bending and deformation effect. The application separates and fixes the bimetallic strip and the sample, solves the problems of poor mechanical stability and easy movement of the sample in the deformation process of the in-situ bending nano material, improves the stability of the fixed sample and in-situ imaging, realizes the bending and deformation of the sample, and simultaneously observes the structural evolution of the material in the deformation process. While realizing the bending and deformation of single / multiple nano wire shafts, the structural evolution of the material in the deformation process is observed in-situ.

The invention provides an invisible dot matrix code file correction method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a first grid image and a second grid image which are determined through the deformation of a standard grid image based on a first plastic suction mold and a second plastic suction mold, the two plastic uptake molds are obtained by segmenting a three-dimensional human body mold according to front and back interfaces; generating a first image file based on the first grid image and the first invisible dot matrix code file, and generating a second image file based on the second grid image and the second invisible dot matrix code file; respectively deforming the two image files by taking the standard grid image as a reference, and determining two deformed files matched with the standard grid image; and extracting dot matrix code information from the two deformed files to obtain two corrected files. The dot matrix code file is pre-deformed, and the dot matrix code is set for the human body acupuncture point model based on the deformed dot matrix code file, so that code points in a normal form can be generated on the surface of the human body acupuncture point model.

The present invention provides a greenhouse seedling bed water and fertilizer circulation and efficient utilization system, which relates to the field of seedling cultivation technology, and includes: a placing rack, which is placed on the ground of a greenhouse, and is a hollow structure, and cultivated seedlings are placed on the top of the placing rack. When the collecting pipe is blocked, the rotation of the second motor is controlled, and the sliding rack moves upward under the drive of the second motor. When the sliding rack moves upward, the rubber block elastically contacts the discharge end of the iron pipe, and the iron pipe is in a sealed state. The second motor is continuously controlled to rotate, and the sliding rack continues to move upward. The deformation of the second hose can be achieved by squeezing the sliding rack and the handle, and the airflow refluxes at this time, and the refluxed airflow can clear the blockage of the collecting pipe.

The invention provides tear-resistant aramid nano insulation paper as well as a preparation method and application thereof. The tear-resistant aramid nano insulation paper is prepared from multi-scale compounded meta-aramid chopped fibers with high elongation and good rigidity and para-aramid nanofibers with a unique nanoscale structure, rich functional groups and excellent mechanical properties through secondary forming and hot pressing. The excellent film-forming property of the para-aramid nanofibers and the advantage that rich functional groups on the surfaces of the para-aramid nanofibers and the meta-aramid chopped fibers can easily generate a strong network cross-linked structure are fully exerted, and the novel aramid paper-based insulating material with high tearability and high dielectric strength is developed. The defects of stress concentration damage, poor dielectric strength and the like caused by easy tearing of the existing aramid nano insulation paper are overcome, and the aramid nano insulation paper can be used as an ultrathin insulation layer to be applied to the next generation of highly lightweight and integrated special electrical equipment to realize miniaturization, integration and structural weight reduction of the equipment.

The invention relates to the technical field of charging piles, in particular to electric vehicle charging station protection equipment and a protection method. The electric vehicle charging station protection equipment comprises a main body frame, a charging pile body and a buffer contraction mechanism, and the buffer contraction mechanism comprises a buffer steel frame set arranged in front of the charging pile body and a first guide buffer assembly which is matched with the buffer steel frame set to move axially and buffers a vehicle transversely. According to the charging pile, when the charging pile body is subjected to the vehicle collision risk, the collision force can be buffered through the buffer contraction mechanism, the charging pile body is subjected to descending displacement through the buffer contraction mechanism while buffering is conducted, and therefore dual protection on the charging pile body is achieved; emergency braking and inertia buffering of an out-of-control vehicle are achieved, the safety of a driver and personnel around the charging pile body is protected while the safety of the charging pile body is ensured, and the purpose of protecting the charging pile body and the personnel is achieved.

The high-pressure-resistant leather cup comprises a rubber leather cup body, an iron core is arranged at the rear end of the rubber leather cup body, a spring supporting framework is arranged in the rubber leather cup body in the thickness direction of the rubber leather cup body, and the spring supporting framework is of a spiral spring structure. The spring supporting framework is additionally arranged in an existing leather cup structure, the spring supporting framework is of a spiral spring structure, when the leather cup structure bears high pressure in the axial direction, most of the pressure is absorbed by the spring supporting framework along with compression deformation of the spiral spring structure, and the rubber leather cup only needs to bear a small part of force; the high-pressure-resistant leather cup disclosed by the invention can bear high-pressure test pressure as high as 105 MPa; meanwhile, the spiral spring structure can prevent the whole leather cup structure from deforming in the radial direction. And the iron core is additionally arranged, so that the spring supporting framework can be supported, and the spring supporting framework can well absorb high pressure.

The present application relates to a vane, a compressor and an air conditioner, wherein the vane comprises a first vane body and two second vane bodies. The first vane body comprises a first side and a second side disposed opposite to each other, and the first side and the second side are both provided with a connector and a first groove; each second vane body is respectively provided with a plug-in and a second groove, and the second groove and the plug-in are disposed on the side of each second vane body facing the first vane body, and each plug-in is matched and connected with the corresponding connector, so that each second vane body is respectively assembled on the first side and the second side, and the first groove and the second groove are connected. In the present invention, the first groove provides a deformation space for the first vane body, and the second groove provides a deformation space for the second vane body, and the first groove and the second groove are connected, so that the overall deformation of the vane is within a controllable range, the friction loss between the vane and the vane groove is reduced, and the axial expansion of the vane is reduced. Since there is no need to increase the gap of the vane groove, it is also helpful to form a thicker oil film, which can ensure that the sealing performance of the compressor is not affected.

The invention relates to the technical field of building construction intellectualization, in particular to an intelligent control linkage early warning method of a climbing frame, and the climbing frame comprises a controller, a plurality of gravity sensors and a climbing frame body; the plurality of gravity sensors are electrically connected with the controller respectively; the climbing frame body comprises N layers of climbing frame assemblies, and each climbing frame assembly comprises a supporting piece connected with a building supporting point and a far-away point farthest away from the building supporting point. The gravity sensor located on the supporting piece is a first gravity sensor, and the gravity sensor located at the far point is a second gravity sensor; the controller executes monitoring actions, wherein the monitoring actions comprise offset monitoring, deformation monitoring and shaking monitoring; deviation, deformation and shaking of the climbing frame body can be achieved through the gravity sensor, then linkage early warning is achieved, and as long as one kind of data is obtained, the processing efficiency of the processor can be greatly improved, the calculation time can be shortened, and the response time of the processor can be greatly prolonged.

The utility model discloses a novel besom integrating sweeping and mopping functions, which comprises a connecting shell, a storage box is arranged in the connecting shell, an adjusting plate is slidably connected in the storage box, the bottom of the adjusting plate is fixedly connected with a besom head, the top of the adjusting plate is rotatably connected with a threaded rod, and the threaded rod is fixedly connected with the connecting shell. The broom has the advantages that the connecting shell and the adjusting plate are arranged, the position of the adjusting plate is adjusted by rotating the threaded rod, the broom head extends out of the connecting shell, the broom can be used as a broom at the moment, the adjusting plate is contained in the connecting shell by rotating the threaded rod, and therefore the broom can be used conveniently. When the first threaded pipe is connected with the grab bar, the broom can be conveniently used as a handle of a mop, at the moment, a certain included angle is formed between the grab bar and the connecting shell, the broom can be used as the mop, deformation of the broom is achieved, and the versatility and practicability of the broom are improved.

The application discloses a mechanical hole-forming method of a horizontal cantilever rectangular anti-slide pile with an added shoulder, and comprises the following steps: sequentially arranging a slag body processing mechanism, a vertical hydraulic assembly and a multifunctional drilling assembly on a drilling machine from top to bottom; controlling a cylindrical drilling assembly in the multifunctional drilling assembly on a horizontal plane to drill and dig a stratum downwards to a top design elevation of the added shoulder hole; controlling a vertical hydraulic cylinder to drive the multifunctional drilling assembly to continue drilling and digging the stratum downwards to a design depth of the horizontal cantilever pile hole; the piston rod of the horizontal hydraulic cylinder is elongated to drive the multifunctional drilling assembly to move laterally, and the piston rod of the vertical hydraulic cylinder is elongated to drive the multifunctional drilling assembly to move downwards to drill and dig the stratum to form the added shoulder hole; controlling the horizontal hydraulic cylinder to drive a cylindrical drilling assembly on a vertical plane in the multifunctional drilling assembly to drill and dig the horizontal cantilever pile hole outwardly; and continuing to control the cylindrical drilling assembly on the horizontal plane in the multifunctional drilling assembly to drill and dig the stratum downwards to a design depth of the rectangular pile hole.

The invention discloses a method, system and product for monitoring reservoir rock structure degradation under high temperature and long-term conditions, and relates to the field of reservoir rock engineering geomechanics. The method comprises the following steps: arranging an ultrasonic transducer and an EFPI optical fiber sensor on a loading block, and using the ultrasonic transducer to load ultrasonic waves on a rock sample; using the EFPI optical fiber sensor to monitor ultrasonic waves and acoustic emission signals at the rock sample; using standard optimized fast acoustic emission tomography technology to invert a velocity model of the time-varying wave velocity inside the rock sample according to the ultrasonic and acoustic emission signals; using a fast advancement method to perform joint inversion according to the velocity model, the acoustic emission signal and the observation data, and determining the location of rock fractures in the rock sample; the invention can improve the accuracy of monitoring the structural degradation process of the rock under high temperature and long-term conditions and improve the positioning accuracy.

Aiming at the defects in the prior art, the invention provides a CVD (Chemical Vapor Deposition) preparation method of a multi-layer reduction boat, and the problem that a nickel-chromium reduction boat is easy to deform is solved by taking an inorganic non-metal material as a base material; and the boron carbide surface layer is constructed by utilizing the characteristics of low surface energy and difficult adhesion of boron nitride, so that the problem of easy powder adhesion is solved. Meanwhile, nickel-tungsten alloy is electrically deposited on the two layers of materials, so that the internal binding force of the coating is maintained, and the coating is prevented from cracking and falling off. Metal nickel is added into tungsten, so that the internal binding force of the coating can be effectively maintained, and meanwhile, a large number of experiments prove that a boat of the nickel-tungsten alloy is normal and does not deform within 24 hours at the temperature of 1350 DEG C. And due to the use of metal nickel, the material cost is greatly reduced, and the internal binding force of the coating is increased. In conclusion, according to the reduction boat, the transition gradient layer is firstly formed on the body, then the boron nitride coating is formed on the transition gradient layer, the anti-sticking and anti-diffusion effects can be achieved, the production cost is reduced, and the reduction boat is stable in performance and long in service life.

The invention discloses a skin color variable and deformable expression robot. The eyebrow mechanism and the eye mechanism are fixedly connected, the eyebrow mechanism, the eye mechanism and the mouth mechanism are all connected with the deformation mechanism, the eyebrow mechanism, the mouth mechanism and the deformation mechanism are all installed on the head shell mechanism, the neck mechanism is fixedly installed at the bottom end of the mouth mechanism, and switching of multiple states of four freedom degrees of neck stretching, nodding, head shaking and head turning is achieved. The skin color changing mechanism is attached to the head shell mechanism and used for changing the skin color of the robot, and the deformation mechanism is mainly driven by a worm and gear structure. According to the machine, self-adaptive face transformation according to human face characteristics is realized, the face shape, the skin color, the pupil color and the neck length can be quickly changed according to different application scenes, abundant mouth shapes can be realized, and the requirement of real-time dialogue is met.

A bunker breaking protection mechanism of a coal feeder comprises a coal flow baffle and a first baffle restraining unit, and the coal flow baffle is rotationally arranged on the upper portion of a coal outlet bunker chamber of the coal feeder; a first baffle restraining unit is arranged on the rear portion of the coal outlet chamber and comprises a push rod mechanism, a piston of the push rod mechanism is fixedly connected with a curved bar, and the curved bar penetrates through a side panel of the coal outlet chamber from outside to inside. And a baffle storage gap is reserved between the curved bar and the bottom surface of the upper panel of the coal discharging chamber. Through a simple structure, the baffle is separated from the first baffle restraining unit after the coal feeder breaks the bin, and naturally and stably rotates downwards under the action of self weight and coal flow impact, so that the coal blocking effect is achieved. And in the implementation process, the connecting mechanisms are restrained and protected through the assembly pipes to prevent deformation, the baffles can be independently replaced after serious deformation, the service life of the mechanism is prolonged, and the arrangement cost is reduced.

The utility model discloses a sunhat, relates to the technical field of sunhats, and aims to solve the problems that the current sunhat is divided into two types due to different purposes and use scenes, namely a partial motion type with a top hat, a partial motion type without a top hat and a partial motion type without a top hat, and the partial motion type with the top hat has better protection performance; the technical problems that in the prior art, two different types of hats are inconvenient to carry, sunhat selection is more troublesome, and adjustment cannot be conducted according to purposes and use scenes are solved, the head band comprises a head band body and a hat brim body arranged on one side of the head band body, a top hat body is movably arranged at the top of the head band body, and a zipper A is sewn at the top end of the head band body; a zipper B is sewn at the bottom end of the top cap body, the zipper A and the zipper B are matched in a meshed mode, and a puller is arranged on the zipper A and the zipper B in a sliding mode. According to the utility model, the deformation of the sunhat can be realized, the sunhat can be adjusted according to purposes and use scenes, and the problem that the sunhat is troublesome to select is solved.

The utility model relates to the technical field of kitchen appliances, and particularly discloses a switch box mechanism, an exhaust fume collecting hood and a range hood, in the switch box mechanism, a switch support is provided with a containing channel and a limiting groove communicated with the containing channel; the containing channel extends in the left-right direction, and the limiting groove extends in the up-down direction. The switch box comprises a box body extending in the left-right direction and a limiting protrusion arranged on the box body, the limiting protrusion extends in the up-down direction, the switch box is arranged in the containing channel in a penetrating mode in the left-right direction, and the limiting protrusion is inserted into the limiting groove. According to the arrangement, the assembling efficiency is improved, and the occupied space is reduced.

The present invention relates to a method for assembling a fuel injector (1) comprising a retainer (2) and a nozzle body (4), wherein a clamping shoulder (8) is formed at the transition from the rod (6) to the nozzle ring (5). The retainer (2) and the nozzle body (4) are clamped by a nozzle clamping nut (7). To assemble the fuel injector, the assembly tool (16) is pushed onto the rod (6) of the nozzle body (4) up to the clamping surface (4) of the nozzle body (4). Then, a preload (Fa) is applied to the nozzle body (4) by the assembly tool (16) such that the nozzle body (4) presses against the retainer (2) at least indirectly, wherein the assembly tool (16) clamps the rod (6) of the nozzle body (4). Subsequently, the nozzle clamping nut (7) is tightened until a defined clamping force is achieved on the retainer (2) of the nozzle body (4). The clamping tool (16) used has a hollow cylindrical receiving part (17) for the rod (6) of the nozzle body (4), wherein the wall of the cylindrical receiving part (17) is constructed such that the wall deforms inward when a longitudinal force is applied to the clamping tool (16).

The application discloses a kind of local deformation devices of slicing roller and slicing equipment, including multiple pressure compensation mechanisms. Multiple pressure compensation mechanisms are sequentially spaced apart in the axial direction of slicing roller and arranged in main crossbeam, and the compensation end of multiple pressure compensation mechanisms can move towards or away from slicing roller, to increase or reduce the force exerted on slicing roller by compensation end, to make slicing roller different positions produce different degrees of deformation. The application realizes the deformation of slicing roller by using multiple pressure compensation mechanisms to act on different positions of slicing roller, so as to change the different degrees of extrusion of slicing roller on different thickness positions of leather by using the deformation of slicing roller, to adapt to the different thickness of leather at different positions as much as possible, improve the uniformity of leather after slicing.

The present application relates to the technical fields of new fuel auxiliary equipment, in particular to a kind of new fuel storage container internal partition plate welding auxiliary device;Technical scheme: a kind of new fuel storage container internal partition plate welding auxiliary device, including electric push cylinder, base frame assembly, connecting plate assembly, traction assembly and support assembly, electric push cylinder is installed on base frame assembly, connecting plate assembly is connected with the push rod end of electric push cylinder, traction assembly includes steel wire rope main body and screw thread tightener;The support plate between the tank body and the partition plate is embedded in the present application, the accurate positioning of the partition plate is realized and the continuous support is provided during welding process, effectively inhibits welding deformation, simultaneously by electric push cylinder pulling support plate synchronous movement, realize micro straightening, significantly improve welding quality and size consistency.

The application discloses a method for preventing shear cracking in the process of titanium alloy forging and drawing, which comprises the following steps: step one, heating titanium alloy ingot with a height-diameter ratio of not more than 2.5 to above the phase transition point, and performing first-time forging to obtain a forging blank with a size of a1*b1*l1; step two, heating the forging blank to 20-40 DEG C below the phase transition point, and performing final-time forging to obtain a forging piece with a size of a2*b2*l2, wherein the method for the final-time forging is as follows: adjusting the opening width k of the drawing die to the width a2 of the forging piece, loading the forging blank into the drawing die along the length direction, and performing slow pressing or impact deformation through the upper anvil. The method can effectively improve the uniformity of the material, avoid shear deformation cracking in the process of forging and drawing, and is suitable for the technical field of metal material processing.

This invention discloses a repeatable locking mechanism based on disc spring unstable switching, including a support housing, a spindle, a motor assembly, a screw, a slider, a nut slider, a conical coil spring, a disc spring, and a self-locking mechanism. The invention also discloses a method for operating the above-mentioned repeatable locking mechanism, including: the motor assembly driving the spindle to rotate; the slider moving to a first driving position engaging with the upper screw, the spindle driving the upper screw to rotate via the slider; the upper screw driving the upper nut slider to move up and down, locking or unlocking the self-locking mechanism A; the upper screw driving the upper nut slider to continue moving downwards, after the conical coil spring undergoes torsional deformation, the nut slider pushes the slider downwards, causing the slider to move to a second driving position engaging with the lower screw, the spindle driving the lower screw to rotate via the slider. This invention enables selective locking and further improves the stiffness of the flexible arm.