166results about How to "Prevent excessive deformation" patented technology

The invention belongs to the technical field of film tensile testing devices, and particularly relates to a plastic film tensile testing device, which comprises a detection bottom plate, the upper end of the detection bottom plate is slidably connected with two moving plates along the horizontal direction; the stretching mechanism is arranged at the upper end of the detection bottom plate and is used for driving the two moving plates to move oppositely; and the two clamping mechanisms are symmetrically arranged on the opposite sides of the two moving plates and used for clamping and fixing the plastic film, and each clamping mechanism comprises a fixing block fixedly connected to the side wall of the corresponding moving plate. By arranging the length adjusting mechanism, in the clamping process, for plastic films with different thicknesses, the downward sliding distances of the pressing block are different, so that the pressure borne by the piezoresistor below the pressing block is different, the stretching parameters of the piezoresistor can be adaptively adjusted according to the thicknesses of the films, and the clamping efficiency is improved. And the detected tensile strength of the plastic film is more consistent with the actual performance.

The invention relates to the technical field of cable manufacturing, and particularly discloses an aerial insulated cable and a production process thereof, the aerial insulated cable comprises a conductor, the outer surface of the conductor is fixedly coated with a shielding layer, the outer side of the shielding layer is fixedly coated with an insulating tube, and the outer side of the insulating tube is provided with an outer sheath. The outer surface of the insulating tube is wrapped and supported through the arc-shaped inner surfaces of the limiting tubes and the reinforcing strips, so that the insulating tube is fixed in the outer sheath, the situation that the overall structural stability of the cable is affected due to displacement of the insulating tube in the outer sheath is avoided, the inner surface of the outer sheath is supported through the supporting strips and the reinforcing strips, and the service life of the cable is prolonged. The overall structural strength of the outer sheath can be enhanced, the situation that the normal work of the cable is affected by permanent deformation of the outer sheath is avoided, meanwhile, gaps are formed among the limiting pipes, the supporting strips and the reinforcing strips, heat generated when the cable works can be dissipated, and the phenomenon that the outer sheath swells when the cable works normally is avoided.

The invention relates to the technical field of alloy processing, in particular to a long-service-life elastic titanium-copper alloy for a VCM elastic piece and a preparation method thereof.The preparation method comprises the following steps that firstly, raw materials including 55%-65% of titanium, 30%-25% of copper, 10%-8% of aluminum, 3%-1% of zinc and 2%-1% of magnesium are weighed according to the mass percent; 2, the raw materials are put into a vacuum furnace to be melted, and a liquid melt is obtained; thirdly, the melt is poured into a casting mold for casting, and a blank is obtained; according to the method, the change of the state of the blank can be responded in real time by calculating the influence of the rolling times and the thickness change of the blank on the rolling control parameters, so that the rolling process can be flexibly adjusted according to the actual situation, the adaptability during machining is improved, and the rolling speed is improved when the rolling times are gradually reduced along with the reduction of the rolling times of the blank. The rolling temperature, ratio, speed and pressure are reduced, excessive deformation and damage of blanks can be effectively prevented, and the quality of final products, namely the elastic life of the alloy, is improved.

The invention provides a clamping and positioning method for overall medium-frequency heating and quenching of a bearing outer ring. The clamping and positioning method comprises the following steps that 1, a supporting ring is installed and positioned, specifically, the center line of the supporting ring is made to be perpendicular to the horizontal plane, and the supporting ring can rotate around the axis of the supporting ring; secondly, the bearing outer ferrule is installed, specifically, the bearing outer ferrule is arranged in the supporting ring in the first step in a sleeved mode, and the outer ferrule and the supporting ring are coaxially arranged; the bearing outer sleeve is sleeved with the supporting ring capable of rotating around the axis of the bearing outer sleeve, the jacking heads capable of applying the elastic acting force to the outer sleeve are arranged in the circumferential direction of the supporting ring, and when the outer sleeve is subjected to induction heating and subsequent quenching cooling, the axis of the outer sleeve can be prevented from deviating even if the outer sleeve is heated to expand; and in the quenching cooling stage, the acting force applied to the outer ferrule by the ejector head is utilized, shape-limited quenching of the ferrule can be achieved, and the problem that deformation of the ferrule is too large is avoided.

The invention discloses a molded surface pre-dispersion superplastic forming / diffusion bonding method, and belongs to the field of superplastic forming. The method solves the problem that when an ultrathin hollow multilayer structure is formed through an existing superplastic forming / diffusion bonding method, the wall thickness is not uniform due to excessive deformation of a core plate. According to the method, the core plate is subjected to large plastic deformation through a pre-reverse expansion method, stress concentration in a material is released, then the protruding part is subjected to plastic deformation through forward expansion, the core plate is subjected to plastic deformation in the reverse expansion stage, stress is more evenly distributed in the forward expansion stage, and therefore the situation that in a local area, the stress concentration in the material is reduced is avoided. And particularly, the phenomena of excessive deformation and thinning of high-strain parts such as fillets and the like are avoided, so that the uniformity of the wall thickness is greatly improved. The method provided by the invention comprises the following steps: (1) pre-forming a core plate and welding isolation ribs; (2) panel forming; (3) combining the core plate and the panel; (4) carrying out reverse expansion on the core plate; and (5) superplastic forming of the core plate.

The utility model relates to a damping structure for a spin dryer tube of a washing machine, and the damping structure comprises a movable plate which sleeves a driving mechanism for driving the spin dryer tube to rotate and is coaxial with the driving mechanism and the spin dryer tube; the three lower connecting plates are evenly fixed to the edge of the movable plate in the circumferential direction of the movable plate. The three upper connecting plates are uniformly fixed to the bottom of the spin dryer tube in the circumferential direction of the spin dryer tube, and the upper connecting plates are located over the lower connecting plates; the three elastic damping bodies are located between the lower connecting plate and the upper connecting plate, and the upper ends and the lower ends of the elastic damping bodies are clamped on the upper connecting plate and the lower connecting plate respectively. The eccentric force of the spin dryer tube is absorbed and resisted by utilizing the elasticity of the elastic damping body, so that the gravity center of the spin dryer tube returns to the central axis of the spin dryer tube, the spin dryer tube can rapidly enter high-speed rotation, the elastic damping body can rapidly recover after deformation, meanwhile, the noise is small, and the service life is long. Damage to a washing machine body, a driving mechanism, a transmission shaft and the like is small, and the service life of the washing machine is prolonged.

The invention discloses a shoe sole processing device, relates to the field of shoe sole processing and conveying equipment, and solves the problems that when an existing shoe sole processing device is used, the automatic conveying degree of a shoe sole is low, and the direction of the shoe sole is difficult to automatically detect and the shoe sole is difficult to turn over and adjust. A feeding table and a discharging table are arranged on the machine body, the clamping mechanism comprises a clamping frame, the turnover mechanism comprises a sensing block, the two ends of a shoe sole on the feeding table are clamped through the clamping frame, the clamping force is sensed, excessive deformation of the shoe sole is avoided, and after the shoe sole is conveyed to the discharging table in a one-way mode through the conveying mechanism, the shoe sole is automatically turned over. And the shoe sole is stopped and limited at a fixed position through the sensing block, so that the clamping frame can clamp the shoe sole conveniently, and meanwhile, the sensing block senses the lines of the contact surface and judges the orientation of the shoe sole in the moving process of the shoe sole, so that the functions of automatic conveying and overturning are realized.

The invention relates to a polyester hollow textured yarn and a production method thereof, and the production method comprises the following steps: firstly, preparing polyester hollow filaments through a melt spinning method; secondly, the polyester hollow filaments are subjected to secondary processing on a BCF spinning device, specifically, the polyester hollow filaments are sequentially subjected to oil treatment, first pre-network treatment, first hot drafting, deformation treatment, cooling shaping, yarn dividing treatment, first main network treatment and winding forming, and the polyester hollow textured yarn is obtained. The BCF spinning device is adopted to conduct secondary processing on the polyester hollow filaments, the filaments are expanded and deformed instantly under the preset high-temperature and high-pressure environment, the filaments are cooled and shaped through the negative pressure technology, natural curling is generated in the process, on the basis that the high hollowness characteristic is kept, the rebound resilience of the fiber is enhanced, and the fiber has the good elasticity. Therefore, the overall performance and the application value of the product are improved.

The invention relates to the technical field of clamping devices, and discloses a semiconductor wafer clamping and grabbing device which comprises a U-shaped supporting plate, the outer surface of the U-shaped supporting plate is slidably connected with a guide assembly, one side of the guide assembly is fixedly connected with a first inclined plate, one end of the first inclined plate is rotationally connected with a positioning wheel assembly, and the other end of the first inclined plate is fixedly connected with a second inclined plate. An L-shaped plate is fixedly connected to the upper surface of the guide assembly, an air cylinder is fixedly connected to the outer surface of the L-shaped plate, and a second inclined plate is rotationally connected to the front end of the U-shaped supporting plate. By arranging the positioning wheel assembly, when the positioning wheel assembly makes contact with the peripheral edge of the wafer, the annular air bag can deform in a self-adaptive mode according to the shape and the surface condition of the edge of the wafer, damage such as scratches and indentations caused by rigid contact is avoided, the whole positioning wheel assembly can flexibly clamp the peripheral edge of the wafer, and in the clamping process, the clamping efficiency is improved. Through cooperation of the sleeve, the piston and other parts, instantaneous power output by the air cylinder can be buffered, and the wafer is further prevented from making hard contact with the positioning wheel assembly.

The invention discloses fine-grain molybdenum-lanthanum alloy molybdenum powder and a preparation method thereof.The preparation method specifically comprises the steps that rare earth lanthanum salt hydrate and deionized purified water are put into a stirring tank to be mixed and stirred, and a rare earth lanthanum salt solution is obtained; preparing doped molybdenum dioxide by using a rare earth lanthanum salt solution and MoO2; and the sample doped with molybdenum dioxide is put into a high-temperature reduction furnace, hydrogen is used for reduction, screening is conducted, and the molybdenum-lanthanum alloy molybdenum powder is obtained. According to the preparation method of the fine-grain molybdenum-lanthanum alloy molybdenum powder, molybdenum dioxide serves as a raw material, the molybdenum-lanthanum alloy molybdenum powder is prepared by adopting soluble rare earth lanthanum salt solution to atomize doped molybdenum dioxide and adopting hydrogen to reduce the doped molybdenum dioxide, La2O3 is dispersed and evenly distributed among fine-grain molybdenum-lanthanum alloy molybdenum powder grains, sintered molybdenum-lanthanum alloy is of a compact and even fine-grain structure, and therefore the fine-grain molybdenum-lanthanum alloy molybdenum powder is obtained. And the plastic-brittle transition temperature of the processed molybdenum metal is reduced, and the toughness and strength of the molybdenum-lanthanum alloy are improved.

The invention discloses a modified resin composition for a high-pressure-resistant and high-wear-resistant PVC (polyvinyl chloride) hose, and belongs to the technical field of PVC pipes. The sisal fibers are subjected to alkali treatment, impurities are removed and active sites are increased through insertion modification and alkali treatment of the magnesium aluminate spinel fibers, the magnesium aluminate spinel fibers improve the performance of the pipe due to the high length-diameter ratio and other characteristics of the magnesium aluminate spinel fibers, a stable enhanced network structure is formed in a PVC matrix, the surface hardness and wear resistance are improved, the pressure is shared, and the pressure resistance is improved. A bicyclo [2.2. 2] octane structure contained in the long-chain graft modifier disclosed by the invention has rigidity and steric hindrance effect, can uniformly disperse pressure to avoid breakage or excessive deformation of a molecular chain, and is coupled with an amino silane coupling agent to form a three-dimensional structure to improve pressure resistance and wear resistance. After sulfonic groups and a long-chain grafting modifier are introduced to the surfaces of the interspersed modified sisal fibers, the hydrophobic and oleophylic properties of the sisal fibers are improved, the compatibility with PVC is enhanced, agglomeration is avoided, friction is effectively resisted, and the processing fluidity of the material is improved.

The invention discloses calendaring equipment for non-ferrous metal alloy, which belongs to the field of calendaring and comprises two side plates and a calendaring unit connected with the side plates, and a longitudinal stress applying unit is connected between the two side plates. The longitudinal stress applying unit comprises a second support fixedly connected to one side of one side plate, two second gears rotationally connected to one side of one side plate, two first rollers rotationally connected between the two side plates and two millstones symmetrically and fixedly connected between the two side plates. The longitudinal stress is applied before calendering to stretch the material in advance, so that the transverse expansion trend of the material in the calendering process can be reduced in advance, the concentration of the transverse stress is reduced, and after the longitudinal stress is applied, the transverse stress of the material in the calendering process can be partially counteracted, especially in an edge area, so that the material is prevented from being damaged. And the phenomena of cracks and layering caused by stress concentration can be reduced.

The invention discloses an intelligent prone position self-adaptive decompression bed, and relates to the technical field of medical instruments. Comprising a supporting bottom plate and a decompression bed body connected with the supporting bottom plate, and a face supporting pillow and a supporting decompression rod array are arranged on the decompression bed body; the support decompression rod array is arranged on the decompression rod mother plate in a honeycomb array, and comprises a chest decompression rod array and an abdomen decompression rod array; the chest pressure reduction rod array and the abdomen pressure reduction rod array each comprise a main supporting pressure reduction rod module and auxiliary supporting pressure reduction rod modules symmetrically arranged on the two sides of the main supporting pressure reduction rod module, and the main supporting pressure reduction rod modules stretch out and draw back periodically with two supporting pressure reduction rod assemblies as a set. And the auxiliary supporting pressure-reducing rod modules periodically stretch and retract by taking one supporting pressure-reducing rod assembly as a group. According to the decompression bed provided by the invention, the skin of the contact part can be periodically exposed under the condition of not influencing the prone position limb support, air exchange is carried out, and pressure sores, bedsores and infection risks caused by long-time extrusion and non-ventilation are relieved.

The utility model discloses a chain production metal part stamping device which comprises a workbench and a stamping mechanism, the workbench comprises a machine body, the stamping mechanism is arranged at the top of the machine body, the stamping device further comprises an upper die, and the upper die is fixedly installed at the output end of the stamping mechanism; the lower mold is arranged at the lower part in the machine body and is matched with the upper mold; and the buffering mechanism is arranged below the lower die. The buffering mechanism arranged below the lower die base can prevent excessive deformation or breakage between the lower die and a workpiece, a more stable punching process can be provided, the accuracy and consistency of workpiece forming are ensured, and meanwhile the buffering mechanism plays a role in absorbing and reducing impact force, so that the impact force on the lower die is reduced, and the service life of the lower die is prolonged. And the service life of equipment and a mold can be prolonged, and the risks of abrasion and damage are reduced.

The invention discloses a vertical shaft tunneling system and method, and relates to the technical field of vertical shaft construction. The vertical shaft tunneling system comprises a supporting device and a tunneling mechanism arranged below the supporting device, the supporting device is used for pressing a pipe piece and is connected with the tunneling mechanism through a rotating mechanism, and the rotating mechanism is used for driving the tunneling mechanism to rotate around the central line of a vertical shaft. According to the vertical shaft tunneling system provided by the embodiment of the invention, the pipe pieces are tightly pressed on the inner wall of the vertical shaft through the supporting device, so that the pipe pieces are tightly attached to the surrounding soil body, excessive deformation and collapse of a soil layer in the tunneling process are avoided, and the construction safety is improved; the slewing mechanism drives the tunneling mechanism to rotate around the center line of the vertical shaft, the stable tunneling posture can be kept in the tunneling process, the deviation of the center line of the vertical shaft is within the allowable range, and the construction quality is improved.

The invention discloses an aviation precision casting layered solidification casting device and method, and relates to the field of mechanical casting, the aviation precision casting layered solidification casting device comprises a circulation water tank, a partition plate, a cooling cover, a cold water conveying mechanism, a refrigeration circulation mechanism and a plurality of spraying components, and a plurality of casting auxiliary pipes are sequentially arranged on one side of the sprue distribution cavity of the casting mold shell from top to bottom, and the strip-shaped limiting slots are used for limiting the multiple casting auxiliary pipes of the casting mold shell. The pouring gate distributing cavity and the multiple casting auxiliary pipes are all wrapped with heat preservation layers, cooling water is conveyed into the multiple spraying components through the cold water conveying mechanism, the spraying components spray the tails of the mold shell cavities in the casting mold shell and cool the tails of the mold shell cavities, castings in the mold shell cavities can be cooled layer by layer, and therefore the cooling efficiency of the castings in the mold shell cavities is improved. According to the method, the quality of the aviation precision casting is improved, and the problem that an engineering component made of the aviation precision casting is excessively deformed or fractured is solved.

The invention belongs to the technical field of agricultural product processing, and particularly relates to a method for improving vacuum pulse drying efficiency and product quality of juicy peaches. The method comprises the following steps: firstly, finishing grading screening of juicy peaches according to maturity, peeling the screened juicy peaches, and slicing to obtain juicy peach slices; mixing ethanol, cane sugar and an aqueous solution to form a binary mixed solution; and perforating the juicy peach slices, immersing the juicy peach slices into a binary mixed solution, and then carrying out vacuum pulse drying to obtain the dehydrated juicy peach slices. According to the processing method disclosed by the invention, by adopting a processing method of combining maturity grading screening, perforation synergy and'ethanol + cane sugar 'binary mixed solution dipping pretreatment, the drying time of the juicy peach slices is remarkably shortened, the vacuum pulsating drying efficiency, sweetness and rehydration rate of the juicy peach slices are improved, the volume shrinkage is reduced, and the processing quality is improved. And a new method is provided for industrial quality-improving and efficiency-improving production of the dehydrated juicy peach slices. The method is simple, environment-friendly and wide in application prospect.

This invention relates to the field of decorative engineering technology, and discloses a method and system for generating virtual renderings of decorative engineering projects. The method includes: S1, parsing CAD drawings; S2, identifying professional intent; S3, defining and configuring key aesthetic elements; S4, attributing and correcting model parameters; S5, conflict detection; S6, adaptive fusion and correction; S7, material mapping and lighting calculation; and S8, outputting the virtual rendering. This invention solves the problem that the complexity of CAD drawings leads to incomplete or inaccurate geometric structures in 3D models, which in turn affects material mapping and lighting calculation, thus impacting the visual realism of virtual renderings.

This utility model discloses a vehicle energy-absorbing box, comprising: a fixing plate for fixing to the frame of a bus; a cylindrical first upright plate on the upper surface of the fixing plate; a collision plate on the upper part of the first upright plate; multiple arc-shaped holes distributed circumferentially on the outer peripheral wall of the first upright plate, the arc-shaped holes spirally arranged from bottom to top along the outer peripheral wall of the first upright plate; a second upright plate disposed inside the first upright plate, the second upright plate being perpendicular to the fixing plate; and multiple notches spaced vertically on the two opposite side walls of the second upright plate, the openings of the notches facing the inner wall of the second upright plate. This vehicle energy-absorbing box has a simple structure, and the arc-shaped holes on the first upright plate and the notches on the second upright plate guide the first and second upright plates to rotate and deform upon collision, which is beneficial for better absorption of collision energy.

The present application discloses a digestive tract polyp cutting and collecting instrument, comprising a fixing part, a front support ring, a rear support ring and a net bag, the projection of each support ring on its cross section comprises a leading moving part, a rear moving part and an elastic part arranged between the leading moving part and the rear moving part, each support ring is connected with a net bag respectively, the rear moving part of the front support ring is connected with the leading moving part of the rear support ring, and the fixing part is connected with the rear moving part of the rear support ring; it also comprises a traction part, which is provided with a traction end capable of moving along a first direction and is connected with the leading moving part of the front support ring, along the first direction, the traction end, the leading moving part and the rear moving part of the front support ring, the leading moving part and the rear moving part of the rear support ring, and the fixing part are arranged in sequence; the elastic force generated by the elastic part of the front support ring in a closed state is smaller than the elastic force generated by the elastic part of the rear support ring in a closed state, and under the action of the traction end, the front support ring and the rear support ring can be closed sequentially along the first direction.

This invention relates to the field of pipeline seepage prevention technology, specifically to a pipeline seepage prevention deformation control support device based on soft soil foundation. The device is installed at the connection point of two adjacent pipelines. The device includes a bearing ring, a support member, and at least n sets of limiting members. Bearing rings are connected to the outer walls of both pipelines near the connection point. Each set of limiting members includes two bearing plates, arranged in an inverted V-shape with alternating front-to-back arrangements. Each bearing plate has a recessed groove containing a friction plate that slides back and forth. When the lower left side of the n bearing plates on the left side of the n sets of limiting members is far from the lower right side of the n bearing plates on the right side, the two friction plates in the same set make relative pressure contact. The support member supports the limiting members. This invention solves the problem that when a support device supports a pipeline, it easily shifts downwards with the settlement of the soft soil foundation, leading to deformation and leakage at the weak connection point of the supported pipeline.

This utility model relates to the field of watch manufacturing technology, specifically to a watch mainspring barrel limiting support structure, comprising: a mainspring barrel, providing support for the device; an adjustment component, including a top cover, a rotating sleeve, and a rotating shaft, wherein the top cover is connected to the top of the mainspring barrel by bolts, the rotating sleeve is rotatably connected to the top cover, and the rotating shaft has a thread in the middle, and the rotating shaft is threadedly connected to the rotating sleeve; and a limiting component, including a rotating disk, a slider, and a limiting plate, wherein the rotating disk is welded to the bottom of the rotating shaft, the slider is slidably connected to the top cover and the rotating disk, and the limiting plate is welded to the slider, and the limiting plate is an arc-shaped plate. This structure, through the cooperation of the adjustment component and the limiting component, can control the position of the limiting plate, thereby effectively limiting the deformation range of the mainspring spring.

This utility model provides a boltless comb-tooth plate multi-directional displacement expansion joint device, relating to the field of bridge construction technology. It includes a bridge body, with a displacement expansion joint assembly installed on the inner side of the bridge body. The displacement expansion joint assembly includes main comb teeth installed on the inner side of the bridge body, and auxiliary comb teeth installed on the left side of the main comb teeth. Anchor plates are provided at the bottom ends of both the main and auxiliary comb teeth, and the main and auxiliary comb teeth mesh with each other. Through the arrangement of the main comb teeth, auxiliary comb teeth, and anchor plates, the entire assembly is formed by integral casting and welding. This allows for only one welding of the anchor plates and one-time overall concrete pouring on-site, resulting in high overall strength and greater convenience and speed in installation. Furthermore, the boltless connection eliminates longitudinal displacement and shearing when vehicles pass longitudinally, ensuring the stability of the device and improving its durability and reliability.

The utility model discloses a composite gradient yielding lining structure for a tunnel, and relates to the technical field of yielding lining structures, the composite gradient yielding lining structure comprises a main supporting soft support, a supporting assembly is arranged below the main supporting soft support, the supporting assembly comprises two fixed inner supporting frames, side fixed supporting frames are arranged on the surfaces of one sides of the two fixed inner supporting frames, and the side fixed supporting frames are arranged on the surfaces of the other sides of the two fixed inner supporting frames. Limiting convex blocks are arranged on the surfaces of one sides of the side fixing supporting frames, a center movable frame is further arranged on the bottom face of the main supporting soft support, connecting shaft bodies are arranged at the two ends of the center movable frame, and the other sides of the two connecting shaft bodies are connected with one ends of fixing inner supporting frames correspondingly; according to the tunnel lining structure, the supporting assemblies are arranged, so that elastic degradation and creep deformation caused by a single yielding layer in a long-term high-pressure environment are avoided, and the long-term stability, the maintenance efficiency and the safety of the tunnel lining structure are remarkably improved.

The invention relates to the technical field of short circuit ring assembly, and discloses a semi-automatic short circuit ring pressing device for a motor, which comprises a workbench, a belt conveyor is mounted at the top of the workbench, an angle plate is fixedly connected to the top of the belt conveyor, and a transmission assembly component for improving the placement precision of a short circuit ring is arranged above the belt conveyor. The transmission assembly component comprises a plurality of transmission belts for placing the short-circuit rings through self transmission thrust, high-precision placement of the short-circuit rings is achieved through transmission of the transmission belts to the short-circuit rings, the problem of contact between the short-circuit rings and the stator iron core is solved, firstly, the transmission belts ensure the stability of the short-circuit rings in the placement process, and the transmission efficiency of the short-circuit rings is improved; and the short circuit ring is accurately conveyed into the stator iron core through a transmission mechanism, so that the position deviation caused by manual operation is effectively avoided, the electrical performance of the motor is improved, the contact resistance is reduced, the local heating phenomenon is reduced, and the efficiency of the motor is favorably improved.

This invention provides a multi-energy field assisted ultrasonic cutting device and method for CFRP preforms, relating to the fields of intelligent manufacturing and precision machining technology. The invention uses a laser generator to precisely and locally heat the cutting area, softening the resin matrix in the processing area and significantly reducing the material's strength and cutting resistance. Simultaneously, eddy current tubes cool the non-cutting areas of the workpiece, enhancing the stiffness of the resin matrix in these areas and the constraint force on the carbon fibers, effectively suppressing excessive deformation and displacement of the carbon fibers during processing. Ultrasonic vibration further induces brittle fracture of the carbon fibers through high-frequency impact, reducing the tensile effect caused by resin viscosity. Ultimately, this achieves the beneficial effects of high-quality, high-efficiency, and low-damage processing of CFRP preforms.

The present invention discloses a support device and an optical device, and relates to the technical field of optical elements, wherein the support device comprises a support frame, a positioning component and a flexible support assembly, the support frame is provided with a cavity, and the cavity is used to accommodate a cylindrical lens; the positioning component is arranged on the inner wall of the cavity, and the positioning component is used to provide rigid support and position the cylindrical lens; the flexible support assembly comprises two flexible support components, and the two flexible support components are respectively arranged on two inner walls of the cavity extending along the length direction of the support frame, and are arranged relatively, and the flexible support component comprises a support plate and a flexible support platform formed by cutting, and the support plate and the flexible support platform are connected to each other, and the support plate is used to support the cylindrical lens, and the flexible support platform is connected to the inner wall of the cavity, and the height of the support plate is less than the height of the flexible support platform. In this way, not only the effect of flexible support is achieved, but also the thickness of the flexible support can be greatly reduced, and when multiple cylindrical lenses are closely stacked and arranged, there will be no interference.

A combined floating pipe structure suitable for offshore floating photovoltaic platforms is characterized by comprising a core load-bearing pipe, a buoyancy layer, and ribs; the buoyancy layer is disposed outside the core load-bearing pipe and fixed by ribs that are fixedly connected to the core load-bearing pipe. This invention employs a steel-HDPE combined structure or a steel-airbag combined structure, combining high load-bearing capacity, high stability, and high durability.

The utility model discloses a cathode plate transportation device for strike type metal manganese cathode plate stripping, which comprises a guide rail and an electric sliding block in sliding fit with the guide rail, stand columns are vertically arranged at the bottoms of the two ends of the guide rail, and the guide rail is matched with the stand columns at the two ends to form a door-shaped frame; clamping structures are arranged on the two opposite sides of the electric sliding block, the clamping structures on the two sides are symmetrically arranged relative to the guide rail, and the clamping mechanisms on the two sides are in clamping and limiting fit with the negative plate; each clamping structure comprises a telescopic mechanism, the output direction of the telescopic mechanism is perpendicular to the guide rail, a pressing mechanism is arranged on the side, away from the guide rail, of the telescopic mechanism, the pressing mechanism and the telescopic mechanism are in linkage fit, the pressing mechanisms of the clamping structures on the two sides are oppositely arranged, and the two pressing mechanisms are matched to form a limiting groove. Limiting fit is formed between the limiting grooves and the copper conductive rods of the cathode plates and between the copper conductive rods and the stainless steel plates, so that conveying stability is guaranteed, and serious breakage and deformation of the cathode plates are prevented.

The utility model discloses a flexible disc of integrated starting gear ring structure relates to flexible disc technical field. The flexible disc of integrated starting gear ring structure, including flexible disc disc body, flexible disc outer end and starting tooth, is set up flexible disc waist hole on flexible disc disc body. The flexible disc of integrated starting gear ring structure, through the machining allowance of flexible disc outer end and remains starting tooth's processing forming, makes starting tooth and flexible disc outer end integrated moulding, cancels the welding of flexible disc outer end and starting gear ring in the prior art and becomes the design, avoids the size of welding scar and cannot standardization, and there is not one, reaches the assembly gear ring of reducing, prevents the occurrence of the incomplete welding, cancels the welding process flow, prevents the failure of welding scar crack, and reduces the cost of sub -parts, and the structure strength of flexible disc disc body is strengthened when the plate enhances the transmission torque, and the flexible disc waist hole symmetric distribution lightens disc body quality, and enough structural strength is reserved simultaneously.