190results about How to "Weak elasticity" patented technology

The invention provides forming equipment for U-shaped groove plates on the two sides. The forming equipment comprises a plurality of forming roller sets which are arranged at intervals in the advancing direction. The plurality of forming roller groups are sequentially provided with a first side edge upright area, a first side edge inclined area and a first side edge parallel area along the advancing direction; the two ends of the upper forming assembly of the forming roller set located in the first side parallel area are each provided with a first side parallel wheel, the two ends of the lower forming assembly of the forming roller set located in the first side parallel area are each provided with a second side parallel wheel, and the first side parallel wheels and the second side parallel wheels correspond to each other to form a third forming gap. And when the profile plate passes through the third forming gap, the first inclined section of the profile plate gradually gets close to the main body of the profile plate, so that the first inclined section is parallel to the main body of the profile plate to form a U-shaped groove structure. According to the technical scheme, the forming equipment capable of forming the U-shaped groove plates on the two sides can be provided.

The utility model discloses a mesh structure for tunnel shotcrete, which comprises a reinforcing mesh and a fixing component which is arranged on the reinforcing mesh and is used for being detachably connected with an anchor rod, the reinforcing mesh comprises a plurality of mesh units which are arranged on the same layer and are provided with openings on four sides, the end parts of the four sides of each mesh unit are hook-shaped, and the fixing component is arranged on the reinforcing mesh. According to the reinforcing mesh, the contact area of connecting points between the mesh units is increased through the design of the hooks, so that the mesh units are connected more tightly, the situation that the mesh units move or fall off is effectively avoided, the stability of the whole structure of the reinforcing mesh is effectively improved, and the service life of the reinforcing mesh is prolonged. The integrity and the safety of the tunnel structure are further improved; the reinforcing mesh is connected with the anchor rod through the fixing assembly which is detachably connected, the position of the reinforcing mesh can be conveniently adjusted in real time, complex welding operation is not needed, the construction time is greatly saved, and the flexibility and the construction efficiency of tunnel construction are improved.

The invention belongs to the technical field of civil engineering materials, and particularly relates to a lightweight jet engineering cement-based composite material as well as a preparation method and application thereof. The lightweight jet engineering cement-based composite material comprises the following components: cement, fly ash, silica fume, hollow fly ash microspheres, water, organic fibers, a water reducing agent and a thickening agent. According to the invention, by optimizing the raw material ratio, not only is the density of the jet ECC significantly reduced and the lightweight of the material realized, but also the fluidity, the adhesion property and the mechanical property of the material are greatly improved, and the problems of poor adhesion, high rebound rate and limited jet thickness of the traditional jet ECC are solved; in the spraying process, the cement-based composite material shows low rebound rate and large spraying thickness, and a light spraying engineering cement-based composite material with excellent performance is provided for engineering application.

The embodiment of the invention discloses a method for creep age forming of an aluminum-lithium alloy component assisted by laser shock and ultrasonic vibration, and relates to the technical field of aluminum alloy plate preparation. The method comprises the following steps: carrying out solution treatment on a first aluminum-lithium alloy component to obtain a second aluminum-lithium alloy component; the whole upper surface or the whole lower surface of the second aluminum-lithium alloy component is subjected to laser shock treatment, and a third aluminum-lithium alloy component is obtained; performing deformation treatment on the third aluminum-lithium alloy component to obtain a fourth aluminum-lithium alloy component; when the fourth aluminum-lithium alloy component reaches preset deformation, the fourth aluminum-lithium alloy component is subjected to ultrasonic vibration assisted creep aging heat treatment; the fourth aluminum-lithium alloy component subjected to heat treatment is cooled to the normal temperature, a fifth aluminum-lithium alloy component is obtained, creep age forming of the fifth aluminum-lithium alloy component is analyzed, the springback amount and the springback rate of the aluminum-lithium alloy after creep deformation can be effectively reduced, grains can be refined, the nanometer precipitated phase density can be increased, the alloy strength can be improved, and the service life of the aluminum-lithium alloy component can be prolonged. Therefore, the research, development and manufacturing period of the aluminum alloy component is shortened.

The intelligent flexible clamping system for creep age forming of the large thin-walled workpiece comprises a base, a base table is arranged at the upper end of the base, and extending holes are distributed in the base table in a matrix mode; the lifting driving mechanism is mounted on the base, and the upper end is provided with a lifting movable end aligned with the extending hole; the flexible clamping assembly comprises a base frame, a rotating table, a first rotating driving mechanism, a pitching table, a second rotating driving mechanism and a supporting module. The rotating table is rotatably and movably installed on the base frame along the vertical axis, the first rotating driving mechanism is installed on the base frame and connected with the rotating table so as to drive the rotating table to rotate and move along the vertical axis relative to the base frame, the pitching table is rotatably and movably installed on the rotating table along the horizontal axis, and the second rotating driving mechanism is installed on the rotating table and connected with the pitching table; the supporting module is detachably installed at the upper end of the pitching table. According to the method, the flexibility, the accuracy and the efficiency of creep age forming of the large thin-wall part are remarkably improved. And the requirements of multiple varieties, small batch and customization can be met.

The invention provides gasified slag sprayed concrete which is prepared from the following components in parts by mass: 320 to 750 parts of activated gasified slag silica fume compound, 150 to 550 parts of medium sand, 300 to 500 parts of Portland cement, 50 to 100 parts of fly ash, 500 to 700 parts of gravel, 10 to 20 parts of water reducing agent, 10 to 25 parts of accelerator and 140 to 200 parts of water, wherein the raw materials of the activated gasification slag silica fume compound comprise gasification slag, silica fume and salt-containing wastewater, the mass ratio of the gasification slag to the silica fume to the salt-containing wastewater is (30-70): (1-3): (1-2), the concentration of chloride ions in the salt-containing wastewater is 4000-4500 mg / L, and the concentration of sulfate radicals in the salt-containing wastewater is 69000-78000 mg / L. According to the gasified slag sprayed concrete provided by the invention, the initial setting time and the rebound rate can be effectively reduced, and meanwhile, the compressive strength can be enhanced.

The invention relates to a self-circulation cooling type shield pump which comprises a pump body and a cooling device, a liquid inlet cavity and a cooling cavity are formed in the pump body, a shielding cover is arranged in the pump body and communicates with the liquid inlet cavity and the cooling cavity, a hollow rotating shaft is rotationally connected to the interior of the shielding cover, and a plurality of impellers are arranged at the two ends of the hollow rotating shaft correspondingly; the cooling device is used for cooling the pump body and comprises a plurality of cooling pipes and a conveying assembly, the cooling pipes are evenly distributed along the outer surface of the pump body, two of the cooling pipes communicate with the liquid inlet cavity, and the conveying assembly is used for conveying liquid in the liquid inlet cavity into the cooling pipes. Liquid in the liquid inlet cavity is conveyed into the multiple cooling pipes through the conveying assembly, the cooling pipes can increase the heat dissipation area of the surface of the pump body, then the liquid flows through the cooling pipes to dissipate heat of the cooling pipes, and cooling and heat dissipation of the outer side of the pump body are enhanced; in the working process of the shield pump, heat dissipation can be conducted on the interior and the exterior of the shield pump, and the heat dissipation performance of the shield pump is improved.

The invention relates to the field of insole materials, in particular to a wormwood fiber and polyurethane mixed insole material and application of the wormwood fiber and polyurethane mixed insole material. Comprising the following components: 38 to 54 parts of diisocyanate, 74 to 115 parts of polyether polyol, 7 to 21 parts of modified wormwood fiber, 0.7 to 1.4 parts of a catalyst, 1.2 to 3.4 parts of a chain extension enhancer, 1.3 to 2.6 parts of a foaming agent and 0.6 to 1.2 parts of a foam stabilizer. The invention discloses an insole material. The insole material is prepared by synthesizing a polyurethane material in which wormwood fiber participates. The insole material prepared by the invention not only can maintain higher elasticity and strength, but also can have long-term antibacterial activity.

The invention provides a method and a structure for renovating cavity diseases behind existing railway tunnel linings. The existing railway tunnel lining back cavity disease treatment method comprises the step of filling and reinforcing the low-elasticity light grouting material. The low-elasticity light grouting material is adopted to fill and reinforce the cavity after the tunnel lining, and the low-elasticity light grouting material has the excellent performance characteristics of quick setting, light weight, low-elasticity damping property, water resistance and the like, so that the filling can be completed in a short skylight time; the impact load of part of falling blocks of the surrounding rock can be absorbed or dispersed, the secondary load of the tunnel lining is greatly reduced, a certain waterproof effect is generated on leakage water of the surrounding rock, the back cavity damage of the tunnel lining treated through the method is remarkably improved, and the structural stability of the tunnel lining is greatly improved.

The invention discloses genipin modified ginkgo protein and whey protein composite gel and a preparation method thereof, and belongs to the field of functional food. The method comprises the following steps: (1) uniformly mixing a prepared ginkgo protein solution and a prepared whey protein solution, and adjusting the pH value to obtain composite sol; (2) adding a genipin reagent into the composite sol, carrying out a cross-linking reaction, and after the reaction is completed, adjusting the pH value again to obtain a genipin-treated composite sol; and (3) carrying out thermal induction gel formation on the genipin-treated composite sol, taking out and cooling to obtain the genipin-modified ginkgo protein and whey protein composite gel. Animal protein and plant protein are combined through the cross-linking agent genipin, so that the prepared composite gel is more nutritional, pollution to the environment is reduced, application in food production is facilitated, meanwhile, the composite gel treated with the cross-linking agent genipin has more diversified functional characteristics, and the composite gel is suitable for being applied to food production. And the food can be provided for people with different requirements.

The invention discloses a quick mechanical switch based on a coil type electromagnetic driving mechanism, which comprises a vacuum arc extinguish chamber, a static contact, a moving contact, a transmission connecting rod, an electromagnetic driving mechanism, a discharge circuit, a holding mechanism and a buffer mechanism. According to the three-coil type electromagnetic driving mechanism, rapid opening and closing operation of the rapid mechanical switch with the electromagnetic buffering function can be achieved, at the last stage of opening action, the three-coil type electromagnetic driving mechanism can also use electromagnetic force to restrain opening rebound, the opening rebound displacement and rebound time are reduced, the instantaneous output requirement for a maintaining mechanism in the opening rebound restraining process can be lowered, and the reliability of the maintaining mechanism is improved. The size of the buffer mechanism and the holding mechanism can be reduced, so that the application range of the quick mechanical switch is wider.

The invention discloses an atomized liquid dressing composition for repairing cell microvesicles and a preparation method of the atomized liquid dressing composition. Comprising the following raw materials: 1.0%-8.0% of a sugar source, 0.01%-10.0% of algal polysaccharides, 0.01%-5.0% of sodium alginate, 0.01%-2% of sodium bicarbonate, 0.001%-0.08% of hydroxyethyl cellulose, 0.1%-2% of hyaluronic acid, 0.5%-2% of carboxymethyl chitosan, 0.1%-0.9% of sodium chloride, 0.03%-0.6% of a humectant, 0.05%-0.5% of an osmotic pressure regulator and the balance of distilled water or purified water. By means of sodium alginate, hydroxyethyl cellulose and the sugar source, the space structure of mucus can be changed, the mucoprotein concentration, cohesiveness and elasticity can be reduced, the pH value is adjusted in combination with sodium bicarbonate, decomposition and mutation of the sugar source are avoided, and then the storage stability of the atomized liquid dressing is improved.

The present invention discloses a forming device and a process for a conductive sheet, and specifically relates to the technical field of conductive sheet forming, including a punch body and a mold arranged on the punch body, the mold including an upper mold and a lower mold, the punch body including a machine base, a punch and a driving device for driving the punch to reciprocate, the upper mold is installed at the bottom of the punch, and the lower mold is installed on the machine base. The present invention arranges a feeding piece, when the upper mold moves from bottom to top, the two feeding pieces can gradually approach each other, and clamp and feed the material strip, so that the feeding assembly can feed the material strip synchronously during the process of the mold stamping the material strip, which helps to maintain the consistency of the rhythm during the stamping process, so that the feeding of the material strip and the stamping action of the mold are continuous and coordinated, and the position of the material strip can be more accurately controlled, thereby improving the dimensional accuracy and production efficiency of the conductive sheet and reducing material waste.

The present invention relates to the field of electrochemical technology, and in particular to a binder and a preparation method thereof and a lithium ion battery. The preparation method comprises the following steps: mixing water, functional monomers, styrene, electrolytes, chelating agents, and pH regulators to obtain a bottom material; mixing a cosolvent and an initiator to obtain an initiator phase; mixing butadiene, styrene, unsaturated polyolefins, and a molecular weight regulator to obtain an oil phase; mixing a dispersing aid, an electrolyte, a functional monomer, and a cosolvent to obtain a functional monomer phase; heating the bottom material to 40°C to 70°C, adding part of the initiator phase, reacting at a constant temperature, adding the oil phase, the remaining initiator phase, and the functional monomer phase, heating to 70°C to 90°C for insulation reaction, and obtaining a binder. The present invention adopts a soap-free emulsion polymerization method, and the prepared binder can form a good wetting interface and bonding layer with the negative electrode active material and the conductive agent, and form a flexible cross-linked network bonding structure with the substrate to improve the bonding force.

The hydraulic-driven hydrogen injection system comprises a hydrogen nozzle, a hydraulic supply assembly and a hydrogen supply assembly, the hydrogen nozzle comprises an injection valve, the injection valve comprises a valve body, a valve rod and an elastic reset piece, a piston head and a plugging head are arranged at the two ends of the valve rod correspondingly, and the valve body is provided with a hydrogen cavity, a piston cavity and a sliding groove channel; the sliding channel is connected between the hydrogen cavity and the piston cavity, the piston head is arranged in the piston cavity in a sealed and sliding mode to form a hydraulic control cavity, the hydrogen cavity is provided with an air inlet and an air outlet, the valve rod is in sealed and sliding fit with the sliding channel, a lubricating and sealing oil hole is formed in the side wall of the sliding channel, and the elastic reset piece acts between the valve rod and the valve body in the axial direction. The air outlet is plugged by the plugging head; the hydraulic supply assembly is communicated with the hydraulic control cavity and the lubricating sealing oil hole; the hydrogen supply assembly is connected with the gas inlet. The nozzle has good hydrogen sealing performance and low abrasion performance, bounce in the opening and closing process of the nozzle is reduced, and the service life of the nozzle is prolonged.

The invention discloses a novel synergistic concrete additive. A preparation method comprises the following steps: 1) preparing modified zirconium oxide; 2) obtaining a mixture; (3) stirring and mixing 10-20 parts by weight of modified zirconium oxide in the step (1), 8-14 parts by weight of a water reducing agent and 6-9 parts by weight of an expanding agent at the stirring speed of 30r / min-40r / min, adding 5-9 parts by weight of waste residues in the stirring process, and stirring for 20-30 minutes to obtain a synergist; after the concrete modifier is used, the corrosion resistance and the wear resistance of concrete are improved, the interface bonding degree with powder such as cement is improved, the compactness of an interface structure is increased, formation of cracks is inhibited, and the durability of the concrete is improved; and the modified zirconium oxide is used, so that the impact and abrasion resistance of the concrete is improved, and the strength, the impermeability and the freezing resistance are improved.

The invention discloses a method for improving the lubricating property of a tungsten carbide-based metal ceramic coating, a part and application of the part. The method for improving the lubricating property of the tungsten carbide-based metal ceramic coating comprises the step that the tungsten carbide-based metal ceramic coating is placed in a marine environment to be soaked for more than one month. A marine self-lubricating product in dynamic evolution appears in the coating subjected to marine environment soaking treatment, the marine self-lubricating product has remarkable positive influence on the lubricating performance of the coating, and finally the lubricating performance of the tungsten carbide-based metal ceramic coating is greatly improved. The method is subjected to experimental verification and discovery for the first time, so that the friction coefficient is remarkably reduced while the coating keeps high hardness.

The utility model relates to the technical field of vacuum cup processing, and discloses a vacuum cup processing and cleaning device which comprises a working plate and a straight cylinder cleaning brush, a notch is formed in one corner of the working plate, an outward extending plate is connected to the notch, a lifting waterproof driving structure is connected to the outward extending plate, and the straight cylinder cleaning brush is arranged on the lifting waterproof driving structure. The lifting waterproof driving structure is connected with a water spraying pipe with water spraying holes, the water spraying pipe is communicated with external pressurizing water supply equipment, an L-shaped plate is connected to the position, located behind the outwards-extending plate, of the upper face of the working plate, a limiting clamp holder is connected to the lower face of the L-shaped plate, and a drained water collecting disc is placed on the upper face of the working plate. The vacuum cup has the advantages that water splashing is prevented during water spraying cleaning, water is effectively drained, and water accumulation of the vacuum cup is prevented.

The utility model provides a house construction pile foundation structure which comprises a bearing sleeve fixedly installed on a bearing table, a bearing column movably sleeved with the bearing sleeve, a top plate arranged on the top of the bearing column and a fixing block arranged on the outer side of the top end of the bearing column. Supporting seats perpendicular to the fixing blocks are fixedly installed on the two sides of the bottom of the top plate. According to the house construction pile foundation structure, a supporting seat and a supporting rod are used in cooperation, a hydraulic cylinder can support a bearing column, meanwhile, a cylinder body, a sealing cover, an inner threaded sleeve, a limiting column, a pressing rod and a limiting boss are used in cooperation, and when a piston rod in the hydraulic cylinder moves, a piston can be pressed through hydraulic oil to compress a spring; and compared with the mode that a spring is independently adopted for supporting the bearing column, the structure can effectively support the bearing column through the additionally arranged hydraulic cylinder and the spring.

The utility model discloses boxing partner training equipment, and relates to the technical field of physical training equipment. The device comprises a base and a sandbag arranged above the base, wherein an absorbing mechanism, two supporting mechanisms and a mounting mechanism are arranged on the base; the absorbing mechanism comprises a mounting plate fixedly mounted at the bottom of the sandbag, a plurality of first springs are fixedly mounted at the bottom of the mounting plate, the bottom ends of the first springs are fixedly connected with the base, a first connecting block is fixedly mounted on the outer wall of the sandbag, and a strip-shaped block is mounted on the left side of the first connecting block in a hinged mode. A second connecting block is hinged to the left side of the strip-shaped block, and a circular plate is fixedly mounted on the left side of the second connecting block. According to the boxing partner training equipment, the absorbing mechanism, the two supporting mechanisms and the mounting mechanism are arranged, so that the impact force generated by striking a sandbag can be absorbed.

The blade structure for the centrifugal fan comprises a rotating body, blade units and a reinforcing piece, and the blade units are arranged around the outer wall of the rotating body in an annular array mode; each reinforcing piece is located between every two adjacent blade units, and the two ends of each reinforcing piece are connected with the corresponding two adjacent blade units correspondingly. Each blade unit comprises a first blade, a second blade and a connecting part, a gap for containing the connecting part is formed between the first blade and the second blade, and the first blade and the second blade are connected with the two opposite side edges of the connecting part respectively. And the first blades and the second blades extend in opposite directions along the axial direction of the rotating body. The blades of a traditional integrated structure are divided into the first blades and the second blades, so that the blades are layered up and down, airflow is divided into smaller parts, the pressure and friction force of each airflow unit are reduced, and the performance of the fan is improved.

The present application relates to automatic production line technical field, more specifically, it relates to a kind of transition conveying mechanism for production line, including roller conveyor and conveyor belt conveyor, roller conveyor is connected with lifting control device, conveyor belt conveyor includes conveyor body, adaptive lifting platform and base, conveyor body is set on adaptive lifting platform, multiple sets of elastic bearing assemblies are arranged between adaptive lifting platform and base, elastic bearing assembly is based on the weight of material in real time and adaptively compressed, conveyor belt conveyor further includes tension adjusting assembly, tension adjusting assembly is set on adaptive lifting platform, the tension provided by tension adjusting assembly is negatively correlated with the change of the height difference of adaptive lifting platform and base, the present application solves the problem that the conveyor belt conveyor of transition conveying mechanism is easily caused by the impact when facing material from high to low, and realizes the effect that the tension of conveying belt is adaptively changed with the weight of material.

The invention discloses a blanking device of a belt conveyor, which relates to the technical field of belt conveyors and comprises a first conveying belt. A protective cover is arranged at the upper part of the first conveying belt; the bottom end surface of the protective cover is fixedly connected with a blanking pipe; the bottom end face of the blanking pipe is fixedly connected with a three-way blanking frame; the left lower part of the three-way blanking frame is fixedly connected with a first articulated chute; and the right lower part of the three-way blanking frame is fixedly connected with a second articulated chute. Through the arrangement of the first material blocking steel rail and the second material blocking steel rail, a material accumulation area can be formed on the first mounting steel plate or the second mounting steel plate, vibration generated when materials are impacted is absorbed, and the vibration generated when the materials are impacted is further absorbed through the first buffer block and the second buffer block; the problem that bulk materials with large particle sizes contain huge kinetic energy, when falling onto a baffle plate, the bulk materials are prone to generating large impact on the baffle plate, the baffle plate vibrates, and then large noise is generated is solved.

The invention discloses an adjustable tree pruning device based on a ratchet wheel, and relates to the technical field of forestry maintenance tools. In order to solve the problems that when a pair of traditional pull rope type high branch shears is used for shearing thick branches, large instantaneous tension is needed, the displacement is difficult to maintain due to easy rebounding in the shearing process, and a ratchet wheel labor-saving structure is often difficult to quickly unlock and reset after being locked, a shearing head is arranged at one end of a main body, and comprises a movable cutter and a fixed cutter; a handle is arranged at the other end of the main body, a cutting pull rope and an unlocking pull rope are connected to the handle, the cutting pull rope pulls the movable cutter to be closed through a line concentration wheel to achieve shearing, and a pawl and a ratchet wheel are meshed to lock the returning direction so as to achieve segmented accumulation propelling; when resetting is needed, the unlocking pull rope is pulled to drive the limited connecting block to move and compress the reset spring, the ratchet wheel moves relative to the pawl to be disengaged and unlocked, the reset spring pushes the ratchet wheel and the connecting block to reset and be engaged again after unlocking, and the movable cutter is opened under the action of the rotating shaft spring.

The utility model relates to earphone technical field discloses an ear clip type earphone, including host computer subassembly and elastic ear block, host computer subassembly includes host computer casing and connecting portion, connecting portion is located host computer casing one end, and with host computer casing integral forming, elastic ear block is located connecting portion away from host computer casing one end, and elastic ear block with connecting portion between be equipped with the fixed structure of snap -on connection. Through integral type structure's host computer subassembly and elastic ear block connection, strengthened earphone whole's mechanical stability and reliability, and elastic ear block preferably soft glue or memory sponge material, can in long -term use, bear frequent deformation and restore and not easy to appear material inside microstructure damage, simultaneously, adopt the elastic ear block of soft glue or memory sponge material, can make more close ear, not easy to drop, and soft glue or memory sponge material can also improve the wearing comfort of user, thereby improve the user's use experience feeling.

The application discloses an inorganic composite solid electrolyte and a preparation method thereof, and relates to the technical field of lithium batteries, and specifically discloses an inorganic composite solid electrolyte and a preparation method thereof. The preparation method of the inorganic composite solid electrolyte comprises the following steps: S1, mixing lithium salt, metal oxide A, metal oxide B and ammonium dihydrogen phosphate, wherein the metal oxide B is titanium oxide, and intermittent vibration ball milling is performed to obtain mixed powder; S2, adding lanthanum oxide and germanium oxide into the mixed powder obtained in the step S1, and continuing to perform intermittent vibration ball milling to obtain composite powder; and S3, performing low-temperature sintering on the composite powder obtained in the step S2, and pressing to obtain an inorganic composite solid electrolyte film layer. The preparation method can significantly improve the reaction activity and synergistic effect among raw materials by adopting two-step intermittent vibration ball milling and one-step low-temperature sintering, and the conductivity of the inorganic composite solid electrolyte and the lithium ion transmission performance and cycle life of the solid battery are improved, and meanwhile, no solvent is used in the preparation process, and the sintering cost is reduced.

The invention relates to the technical field of building shock absorption, in particular to an adjustable damping shock absorber for a multi-story building and a shock absorption method of the adjustable damping shock absorber for the multi-story building. An oil liquid through hole for communicating the left chamber with the right chamber is formed in the piston disc which divides the oil liquid chamber of the barrel shell into the left chamber and the right chamber; the middle part of the piston rod assembly is arranged on an end cover I at one end of the barrel shell in a sealing and sliding manner; a left connecting opening used for being connected with the left cavity and a right connecting opening used for being connected with the right cavity are formed in the outer side face of the barrel shell, and the left connecting opening and the right connecting opening are connected through a damping adjusting oil way capable of adjusting the opening amplitude. Due to the arrangement of the damping adjusting oil way, the flowing path of oil in the oil cavity of the barrel shell is effectively increased, when the vibration amplitude is large, the flowing path of the oil and the opening degree of the valve are increased, the flowing speed of the oil is increased, and vibration energy can be more effectively absorbed and dissipated.

The invention discloses a complex workpiece intelligent full-dimensional spraying device and method based on independent multi-axis linkage. The complex workpiece intelligent full-dimensional spraying device comprises a workpiece rotating mechanism, a spraying mechanism and a control mechanism, wherein the workpiece rotating mechanism is used for driving a to-be-sprayed workpiece to rotate at a set speed; a plurality of guide rail brackets; the independent spraying unit comprises a Z-axis linear module, a Z-axis linear module and a Z-axis linear module; the Z-axis linear module is mounted on the guide rail bracket; the Pitch axis driving mechanism is mounted on the Z-axis linear module in a sliding manner; the nozzle is arranged at the tail end of the Pitch shaft driving mechanism; and the controller is in signal connection with the Z-axis linear modules and the Pitch-axis driving mechanism, so that the motion trails of all the nozzles are distributed in a sine wave shape in space and time. The reciprocating machine has the beneficial effects that compared with a traditional reciprocating machine, wave motion is matched with workpiece autorotation to form multiple spiral coatings, powdering is more uniform, the film forming speed is higher, and the unit time coverage area and the coating uniformity are improved.

The invention discloses movable assembly type high-degree-of-freedom dieless double-sided incremental forming equipment and method. The equipment comprises two groups of forming units, namely a first forming unit A and a second forming unit B, the first forming unit A and the second forming unit B can be assembled together during use and can be detached after use, and the first forming unit A and the second forming unit B are both of a foldable storage structure; the foldable industrial mechanical arm forming units capable of cooperatively working are arranged on the two sides of the vertically-fixed to-be-machined plate, synchronous or cooperative incremental forming of the front face and the back face of the plate is achieved, the forming precision is improved, springback is reduced, the thickness distribution of the plate is improved, and therefore the forming requirements of complex curved surfaces and high-performance plates are met. The double-sided forming equipment is designed to be of a detachable and assemblable modular structure, so that the equipment can be packaged in a storage state in the transportation and deployment process and can be quickly unfolded and spliced on the use site, and the maneuverability and the application flexibility of the equipment are remarkably improved.

The utility model discloses an anti-climbing crib, which belongs to the field of cribs and comprises a crib board, a loop bar is fixedly connected to the upper surface of the crib board, a woven mesh is fixedly connected to the bottom of the inner side wall of the loop bar, a protection mechanism is fixedly connected to the middle of the inner side wall of the loop bar, and adjusting rods are fixedly connected to the periphery of the bottom of the crib board. The outer surface of the adjusting rod is sleeved with a sleeve, the bottom of the sleeve is fixedly connected with a damping mechanism, the protection mechanism comprises a folding plate, and the other side of the folding plate is fixedly connected with a connecting block. Through cooperative use of all the devices, the protection function can be added to the baby crib through the arranged protection mechanism, the protection mechanism is pulled upwards or downwards, the protection mechanism is adjusted to the proper height and fixed according to the needed protection height, the applicability can be improved, personnel operation is facilitated, and convenience is improved; and the baby can be prevented from climbing out of the bed, so that the injury caused by climbing and falling can be reduced.