28results about How to "Guaranteed structural rigidity" patented technology

The invention discloses a geogrid and EICP synergistically reinforced soil embankment structure and a construction method, and relates to the technical field of soil embankment structures. Comprising a pavement base layer, an embankment bearing layer and a natural soil foundation layer, and the natural soil foundation layer is used as a soil embankment structure support and is arranged at the bottommost layer; the pavement base layer is used for bearing an upper driving load and uniformly transferring the upper driving load to the embankment bearing layer below; and the embankment bearing layer is used for bearing the upper load transmitted by the pavement base layer. The engineering performance is improved through the multi-layer synergistic effect, the core reinforcing layer is of an innovative space grid structure and is composed of a prefabricated geogrid, a grid support arranged in the inclined direction and a rigid stress plate frame, a three-dimensional force transmission network is formed, the limitation of a traditional reinforcing method is broken through, and the engineering performance is improved. In addition, the grating support is arranged at a specific angle, the structural rigidity is guaranteed, and the stress concentration phenomenon is avoided.

The invention relates to the field of insulator robots, in particular to an insulator metamorphic robot mechanism based on secondary metamorphism and a using method, and a secondary metamorphic clamping mechanism comprises a secondary metamorphic clamping mechanism and a metamorphic epicyclic bevel gear train clamping mechanism. The secondary metamorphic clamping mechanisms are arranged at the far ends of the metamorphic epicyclic bevel gear train clamping mechanisms and used for clamping insulator umbrella skirts, the metamorphic epicyclic bevel gear train clamping mechanisms are used for clamping insulator steel caps, and the two sets of secondary metamorphic clamping mechanisms achieve clamping jaw rotation and clamping jaw movement in the metamorphic epicyclic bevel gear train clamping mechanisms through epicyclic bevel gear trains. In the clamping process, a clamping jaw of the secondary metamorphic clamping mechanism moves to drive the secondary metamorphic clamping mechanism to complete clamping of an insulator umbrella skirt and then continuously moves to complete clamping of an insulator steel cap, finally the robot is fixed to an insulator chain, the adaptability to the size of an insulator is high, the stable clamping capacity is provided, and the working efficiency is improved. The robot is protected against deviation when moving on the insulator chain, and the stress condition is good.

The invention relates to a beam-slab composite lattice structure, in particular to a beam-slab composite lattice structure with a non-uniform-thickness skin and a preparation process of the beam-slab composite lattice structure, and solves the technical problems that an existing beam-slab composite lattice structure is insufficient in light weight degree, and the skin and unit cell design is relatively split. According to the beam-slab composite lattice structure, the skin is non-uniform in thickness, the thickness of the skin and the diameter of the supporting beam of the unit cell are related to the stress of the corresponding position of the skin, and the rigidity of the structure is improved. By adjusting the thickness of the unit cell skin of the composite unit cell, the lightweight degree of the structure can be further improved. And meanwhile, the transition platform is arranged between the two adjacent unit cell skins, so that the connectivity of the adjacent composite unit cells can be enhanced and the stress concentration effect can be reduced while the lightweight requirement of the structure is met. The invention further provides a preparation process of the beam-slab composite lattice structure with the non-uniform-thickness skin, and synchronous integrated gradient design of the skin layer and the unit cell layer can be achieved.

The invention provides an anti-collision structure of a spacecraft and the spacecraft, relates to the technical field of spaceflight, and solves the technical problem that the spacecraft is difficult to effectively cope with collision. The anti-collision structure comprises a beam piece and a metamaterial structure, the whole beam piece is in an arc shape and is provided with a convex side and a concave side, and the metamaterial structure is connected to the concave side of the beam piece; the metamaterial structure comprises a plurality of first wall plates parallel to a first direction and a plurality of second wall plates parallel to a second direction, and the plurality of first wall plates and the plurality of second wall plates are mutually crossed to form a plurality of first cell element structures arranged in an array; wherein the first direction is perpendicular to the second direction, and the first wall plate and the second wall plate intersect to form a plurality of intersecting wall sections arranged in an array mode; the first cell structure is a square cylindrical structure; the metamaterial structure further comprises a plurality of second cell element structures, and the central axes of the second cell element structures coincide with the central axis of the intersecting wall section. According to the anti-collision structure, on the basis that the rigidity is ensured, energy absorption is improved, and collision can be effectively coped with.

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 application relates to the technical field of batteries, in particular to a battery pack and a vehicle, wherein the battery pack comprises a battery cell module, the battery cell module comprises battery cells, and one end of each battery cell is provided with a pole and the other end of each battery cell is provided with an explosion-proof valve, so that a pressure relief flow channel and a high-voltage electrical area are physically isolated in space, thereby eliminating the short circuit risk in the pressure relief process. In the battery pack provided by the application, the pole is arranged at the top of the battery cell, the explosion-proof valve is arranged at the bottom of the battery cell, the gas-electric separation structure physically isolates the pressure relief flow channel and the electrical area, which is beneficial to eliminating the short circuit risk and improving thermal safety, and in cooperation with the pressure relief hole at the bottom of the box body, the high-temperature jet is ensured to be guided out of the vehicle without obstruction, impact on the passenger compartment is avoided, and the short circuit risk in the pressure relief process is fundamentally eliminated.

The utility model discloses a guide rail with elastic buckle locking mechanism, including outer slide rail and inner slide rail, and the inner slide rail is sleeved in the outer slide rail inside, is equipped with steel ball holder between the outer slide rail and the inner slide rail, and the outer slide rail includes oppositely arranged fixed slide frame and movable slide frame, and the fixed slide frame and movable slide frame are all U type structure, and the U type opening oppositely arranged, and the inner slide rail is two U type inner slide frames, and the two U type inner slide frame openings are outward, and are connected through buckle back to back, and the opposite arc-shaped recesses are respectively arranged on the opposite wings of the fixed slide frame, movable slide frame and inner slide frame, and the arc-shaped recesses are jointly matched and constitute the steel ball movement track, and the upper wing board front end of fixed slide frame is equipped with the limit protrusion, and the upper wing board of movable slide frame is detachably connected with the elastic buckle of extending to the top of fixed slide frame near the rear end, and the elastic buckle is matched with the limit protrusion and realizes that movable slide frame is locked. The utility model discloses the guide rail, and the bearing capacity is strong, and the performance structure is stable, and the operation is smooth and fluent, and the locking function is reliable, and the maintenance is convenient and fast.

The utility model relates to the technical field of building and new energy, and provides a coupling type roof module integrated with photovoltaic installation and drainage functions, which comprises a frame, an installation frame group and a drainage groove, the mounting rack group comprises a first mounting rack and a second mounting rack, the first mounting rack and the second mounting rack are arranged on the frame, and the first mounting rack is lower than the second mounting rack; the drainage groove is formed in the first mounting frame and / or the second mounting frame, the drainage groove is provided with a water inlet, and at least one part of the water inlet is located below the first mounting frame. The roof module integrates photovoltaic installation and drainage functions, and the waterproof performance, the structural strength and the energy utilization efficiency of the roof are improved.

The application relates to the technical field of diaphragm wall support, and discloses a circular diaphragm wall support structure for soft upper stratum and hard lower stratum and a construction method, which comprises coaxially arranged lower support seats and upper support seats, a buffer assembly is arranged between the two, a support assembly is arranged on the outer side wall, an anchoring assembly is arranged at the lower end of the lower support seat; a lower mounting plate of the buffer assembly is fixed to the top end of the lower support seat and assembled with an outer rod through a spherical hinge, an upper mounting plate is fixed to the bottom end of the upper support seat and assembled with an inner rod through a spherical hinge, the inner rod is slidingly inserted into an assembly hole of the outer rod and is provided with a spring; the support assembly comprises lower support seats and upper support seats, and the two are slidingly matched through inclined surfaces. The two-stage self-adaptive system of rigid support and flexible buffer is used, the support assembly provides rigidity under normal working conditions, the spring compression and the spherical hinge angle compensation are used when differential settlement occurs, the cracking hidden danger is eliminated, and the structure adaptability is improved.

This invention relates to the field of overhead line robot technology, and discloses a lightweight overhead line walking robot, comprising: a body frame; several body wheels disposed inside the body frame; a clamping mechanism including a clamping module, a clamping plate, a clamping guide rail, a guide rail connecting plate, a guide rail connecting block, and a balance arm. The clamping plate is fixedly connected to the clamping guide rail, and the balance arm passes through the gap formed by the connection between the clamping plate and the clamping guide rail. The guide rail connecting block is fitted with the clamping guide rail, and the guide rail connecting plate is fitted with the guide rail connecting block. The clamping module includes a clamping arm, a transmission rod, and a clamping column. The end of the transmission rod away from the clamping arm is provided with a third through hole, and the clamping arm is provided with a first through hole. The clamping plate includes a clamping back plate and a transmission plate, and a first transmission block and a second transmission block cooperate with the balance arm. This invention ensures the reliability of the robot's movement on overhead lines through the clamping mechanism.

This application relates to the field of batteries, and provides a battery pack and an electrical device. The battery pack includes a battery assembly and a housing. The battery assembly includes at least one battery cell, and the battery cell includes a housing and a cell disposed inside the housing. An explosion-proof valve is provided on the setting surface of the housing. The gas production of a single battery cell during thermal runaway is Q(1)L. An exhaust chamber corresponding to and connected to the explosion-proof valve is provided inside the housing. The volume of the exhaust chamber is V(1)L, and V(1) / Q(1) satisfies 1.11≤V(1) / Q(1)≤5.29. The housing includes a first plate fixedly connected to the setting surface of the battery assembly and a second plate spaced apart from the first plate. The first plate is disposed between the setting surface and the second plate. The first plate and the second plate are parallel to the setting surface of the battery assembly. An exhaust chamber is formed between the first plate and the second plate. The exhaust chamber is connected to the explosion-proof valve through a connecting channel penetrating the first plate.

The invention discloses a multi-zone carbon capture device which comprises an inlet flue section, a tower body and an outlet flue section, and the interior of the tower body is divided into a plurality of zones which operate independently through at least one partition plate; the inlet flue section is configured to selectively introduce flue gas into at least one subarea; the outlet flue section is configured to selectively exhaust flue gas from at least one of the partitions. Compared with a circular tower, the internal support length of the multi-partition tower type is shorter, and the multi-partition tower type has lower deflection during bearing. Compared with a square tower, the multi-partition tower type flue gas has better flow field distribution. Along with the change of the flue gas amount, the number of the working partitions can be dynamically adjusted, so that efficient utilization of resources is achieved.

The utility model discloses a multi-mode wave-propelled unmanned aircraft wing-body fusion navigation body, which relates to the technical field of unmanned aircrafts, and comprises a navigation body main body, and the navigation body main body comprises an outer skin, an internal skeleton and a solid buoyancy material filled in the internal skeleton; the appearance of the navigation body main body adopts a wing body fusion design; the wing section of the navigation body main body adopts an NACA asymmetric wing section; the upper surface of the navigation body main body is designed into a curved surface with an integrated functional unit; a part of components of the dynamic buoyancy adjusting module are integrated in the head section of the navigation body main body; a watertight instrument cabin mounting space is integrated in the middle section of the navigation body main body; an emergency load rejection device mounting space is integrated below the tail section of the navigation body main body; and stabilizing wings are arranged below the tail end of the navigation body main body. The multi-modal wave-propelled unmanned aircraft wing body fusion navigation body has the advantages of high hydrodynamic efficiency, optimized wave energy capture performance, good structural integration and capability of supporting multi-modal navigation.

A non-road diesel engine post-processing mounting bracket structure adopts a mode of combining an air conditioner compressor bracket, a supporting bracket and a main body bracket, and adopts an integrated framing design and the main body bracket with an angular structure, so that the strength and the rigidity of the main body structure are ensured. A good overall stress structure is formed under the clamping of the reinforcing ribs and the penetrating ribs by adopting the main body bracket formed by combining the main body semi-arch-shaped structure, the first penetrating vertical ribs and the second penetrating vertical ribs. The air conditioner compressor support, the second kidney-shaped holes in the supporting support and the first kidney-shaped holes in the main body support are adjusted in a matched mode, the accuracy of bolt installation can be effectively guaranteed, the post-processing assembly is fixed to the main body support through the vibration reduction block, and the problem that bolts are loosened and broken due to the assembly problem is solved. Tests show that the implementation of the scheme effectively avoids the phenomenon that the main body bracket is damaged due to the vibration problem in the running process of the whole machine.

This utility model relates to the technical field of aquaculture, specifically to a fish hiding device for rice-fish farming. It includes a horizontally arranged mounting plate with multiple sets of guide grooves evenly spaced on its top surface. Limiting components are movably installed within these guide grooves. Lifting lugs are located on the top surface of the mounting plate, distributed among the guide grooves. Counterweight components are located at both ends of the mounting plate, each including a mounting base fixedly connected to the bottom of the mounting plate. The position of the limiting components is adjustable through the sliding cooperation between the guide grooves on the top of the mounting plate and the inverted "L"-shaped guide frame. This allows users to flexibly adjust the spacing between bamboo tubes according to their actual size, providing strong versatility and adaptability to bamboo tubes of different diameters, ensuring the device's adaptability to various aquaculture needs. An arc-shaped, raised stainless steel limiting plate is used, with a similarly arc-shaped EPDM rubber layer fixed to its top surface, together forming a bamboo tube clamping mechanism.

This invention discloses a lightweight structure for a laser-radio integrated communication payload for microsatellites, belonging to the field of satellite payload lightweighting technology. The invention includes a mirror body and a substrate. Multiple honeycomb holes are evenly distributed on the back of the mirror body, and triangular ribs are provided at the intersections of these holes. A support ring is fitted to the outer edge of the mirror body, and three positioning holes and nine mounting holes are evenly distributed on the outer surface of the support ring. By evenly distributing hexagonal honeycomb holes on the back of the mirror body, the weight of the mirror body is significantly reduced. By using novel lightweight materials for the mirror body, substrate, and support, the thermal stability of the primary mirror structure is improved while maintaining structural rigidity. This reduces surface distortion while significantly compressing the weight of the primary mirror structure, achieving further optimization compared to traditional lightweighting solutions. This results in the optimization of the satellite payload structure for extreme lightweighting, ultra-stable thermal performance, and high dynamic rigidity.

The utility model discloses a shore-based movable concrete lining plate modularization collaborative repairing work station which comprises a portal frame body, the portal frame body comprises two supporting frame bodies and a connecting frame body connected between the two supporting frame bodies, and the two supporting frame bodies and the connecting frame body are each of a truss structure. Compared with the prior art, the two supporting frame bodies and the connecting frame body in the ashore equipment are all of a truss structure, and compared with a solid web girder structure, the self weight can be reduced by 30%-50%, and the transportation and hoisting difficulty and the energy consumption of a driving system are reduced; and a multidirectional stress system is formed while the light weight of the structure is guaranteed, bending, shearing and torsional deformation are effectively restrained, the overall structural rigidity of the portal frame body is guaranteed, and the use requirement can be met.

The utility model relates to the technical field of racing cars, in particular to a car body structure of a light-weight racing car, which comprises a frame body, a front cabin fixing frame and a rear cabin fixing frame are respectively and fixedly arranged at two ends of the frame body, a seat frame is arranged in the middle of the frame body, and the front cabin fixing frame, the rear cabin fixing frame and the seat frame are all arranged on a chassis; the seat frame comprises a bent pipe beam, a seat bearing frame and a straight beam; vertical rods are fixedly arranged on the two sides of the end, close to the forecabin fixing frame, of the seat frame respectively. An instrument supporting beam is arranged at the end, close to the forecabin fixing frame, of the seat frame. An anti-rolling frame is arranged at the end, close to the rear cabin fixing frame, of the seat frame. According to the car body structure of the light-weight racing car, light weight of the car body can be achieved, and meanwhile high strength, high rigidity and safety protection performance of the racing car are guaranteed.

This invention proposes a cylindrical composite material frame for deploying detection equipment, belonging to the field of deep-sea exploration equipment. It solves the problems of large space occupation, reduced effective payload, easy fatigue of connecting structures, and low efficiency of at-sea replacement caused by the need for research vessels to equip multiple sets of heavy metal deployment equipment to accommodate different sizes of detection devices. It includes several longitudinal ribs evenly distributed along the circumference and several ring frames evenly spaced along the length of the longitudinal ribs. Dovetail-shaped grooves are provided at the intersections of the longitudinal ribs and the ring frames. The ring frames are segmented and embedded into the grooves to form a mortise and tenon structure. Both the longitudinal ribs and the ring frames are made of composite materials. It mainly provides a lightweight composite material frame structure for research vessels that allows the same deployment equipment to accommodate multiple sizes of detection devices.

The invention discloses an automatic design method of an aircraft structure test lever loading system. The method comprises the following steps: acquiring basic data required by lever beam unit modeling; constructing a finite element analysis model; generating a lever beam unit wireframe model, and synchronously completing grid division and assembly constraint application; verifying whether the strength and rigidity of the lever beam unit wireframe model meet preset conditions or not, and if yes, outputting design parameters; carrying out stress constraint topological optimization on the initial design domain of the lever component, and solving to obtain an optimal hole configuration; constructing a structured hole feature database; the hole size matched with the design parameters is output, the hole size is adjusted, and stress is checked; calibrating the gravity center of the lever based on an automatic counterweight algorithm; and outputting the lever three-dimensional model. According to the method, the automatic design of the aircraft lever loading system is realized based on parameterized finite element modeling and multi-objective collaborative optimization, and the design efficiency and reliability are remarkably improved while the structural strength and rigidity are ensured.

This invention discloses a processing technology for pallet nuts, belonging to the field of aerospace fastener manufacturing technology. The process includes the following steps: material preparation, CNC turning, hot upsetting, solution heat treatment, CNC turning, wire cutting, milling, fitter work, intermediate inspection, end capping, stabilization + aging heat treatment, sandblasting, local annealing, fluorescence detection, metallographic inspection, surface silver plating, performance testing, final inspection, and packaging. Through heat treatment processes such as solution heat treatment and stabilization + aging heat treatment, the strength of the pallet nut reaches 1210 MPa, and the hardness is HRC32-42. The end capping section ensures proper locking, providing anti-loosening and vibration resistance while maintaining the structural integrity of the pallet nut, further guaranteeing its structural strength, rigidity, and other mechanical properties.

The invention discloses an anti-impact marine reactor cabin bottom structure which comprises an inner bottom plate and an outer bottom plate, and the inner bottom plate is used for being connected with the side wall of a reactor cabin to form a bottom pressure boundary of a reactor cabin containment; a plurality of rows of transverse perforated rib plates and a plurality of columns of side girders are arranged between the inner bottom plate and the outer bottom plate, and the plurality of rows of transverse perforated rib plates and the plurality of columns of side girders are arranged in a criss-cross manner to form a grating structure; a plurality of longitudinal reinforcing ribs parallel to the side girders are arranged among the side girders, and the longitudinal reinforcing ribs and the transverse perforated rib plates are arranged in a criss-cross mode. According to the anti-impact marine reactor cabin bottom structure, the inner bottom plate, the outer bottom plate, the side girders between the inner bottom plate and the outer bottom plate and the transverse perforated rib plates form a grid structure, and the structural strength and rigidity of the cabin structure under various loads are guaranteed.

The invention provides an abrasion-resistant universal joint and a preparation method of a surface coating of the abrasion-resistant universal joint. The universal joint comprises a universal joint base body and universal joint petal teeth, the universal joint petal teeth are located above the universal joint base body, the number of the universal joint petal teeth is at least three, the universal joint petal teeth are evenly distributed along the circumference, and the universal joint petal teeth are obliquely arranged; the surface of each universal joint petal tooth is provided with a plurality of inclined grooves which are arranged in parallel, the surfaces of the universal joint petal teeth and the inner walls of the inclined grooves are coated with composite coatings, and the composite coatings are composed of high-entropy alloy and amorphous alloy. Through the design of the petal teeth on the universal joint and the arrangement of the inclined grooves in the petal teeth, the structural strength and rigidity of the universal joint are guaranteed, the contact area between drilling fluid and the universal joint is increased, and the erosion and corrosion effects of the surface are reduced; the surface of the universal joint is coated with the composite coating, so that the abrasion resistance, corrosion resistance and erosion resistance of the universal joint are improved, the surface friction coefficient is reduced, the transmission efficiency is improved, and the service life is prolonged; the universal joint is reasonable in structural design, simple in improvement mode and wide in application range.

This utility model discloses a quadruped robot. The lower leg mechanism includes a foot pad mounting base, a support rod, and a sleeve. A first protective sleeve is fixed to the outer periphery of the support rod. The sleeve is fitted onto the first protective sleeve and slides within it, with the first protective sleeve at least covering the sliding range of the sleeve. A fixing post extending from the top of the foot pad mounting base towards its bottom is provided. The fixing post has an axially formed mounting hole, the opening of which is located at the top of the foot pad mounting base. The support rod is at least partially inserted into the mounting hole and fixedly connected to the foot pad mounting base. A reinforcing structure is provided at the top of the foot pad mounting base to enhance the strength of the edge of the mounting hole. Multiple support members are spaced apart between the fixing post and the inner wall of the foot pad mounting base. The advantages of this utility model are: enhanced strength of the entire lower leg mechanism and effective reduction of its weight, better adapting to the demands of high-speed movement.

The invention discloses an electronic mechanical brake device and a vehicle. The electronic mechanical brake device comprises a brake disc; the bracket is used for being fixedly mounted with a frame; the caliper body is arranged on the brake disc in a crossing mode and is in floating connection with the support in the axial direction of the brake disc through the guide mechanism module. The linear motion module is fixedly mounted on the clamp body through a first fastening assembly; the linear motion module comprises a flange cylinder sleeve for bearing an axial counter-acting force generated during braking, and a screw rod and a thrust bearing which are mounted in the flange cylinder sleeve; the driving module is fixedly connected with the flange cylinder sleeve and the clamp body through a second fastening assembly; and the driving module is in driving connection with the lead screw through an internal gear transmission mechanism and is used for outputting rotary motion. The independent flange cylinder sleeve is used for bearing axial force, the linear motion module and the driving module are connected with the clamp body through the fastening assembly, the axial clamping force is borne by the fastening assembly, the requirement for the material strength of the clamp body is lowered, and therefore the lightweight design is achieved through light materials.

The chuck of the pipe cutting machine comprises a fixing frame of a frame structure, a first set of clamping assemblies and a second set of clamping assemblies, the fixing frame is of a disc structure and comprises a first installation disc, a second installation disc and at least two partition plates, the first installation disc is arranged on the front side of the second installation disc, and the second installation disc is arranged on the front side of the second installation disc. The partition plate is vertically fixed between the first mounting disc and the second mounting disc, the first mounting disc and the second mounting disc are coaxially mounted, the first clamping assembly clamps the left end and the right end of the pipe in the second through hole, and the second clamping assembly clamps the upper end face and the lower end face of the pipe in the second through hole; the pipe clamping position of the first clamping assembly and the pipe clamping position of the second clamping assembly are staggered front and back. According to the chuck of the pipe cutting machine, the structural layout is compact, driving of clamping and positioning of pipes is simplified through the modular design of the two sets of bidirectional driving air cylinders, installation is convenient, and meanwhile it can be guaranteed that troubleshooting and maintenance are more convenient and faster.

This utility model discloses a lightweight commercial vehicle battery frame bracket assembly, comprising a main frame made of aluminum alloy profiles, a hollow base plate structure disposed at the bottom of the main frame, an elastic limiting block disposed on the inner side of the main frame, a clamping rod assembly movably connected to the top of the main frame, and an integrated mounting bracket disposed on the outside of the main frame for connection with the vehicle frame longitudinal beams; the main frame includes four frame profiles and four corner connectors bolted together; the cross-section of the frame profiles is a hollow cavity structure with multiple reinforcing ribs. This utility model achieves significant weight reduction through structural innovation and material optimization, while ensuring excellent load-bearing capacity, vibration resistance, and durability.