1139results about How to "Improve carrying capacity" patented technology

The invention discloses a sectional type drainage combined pile and a consolidation calculation method, and relates to the technical field of soft soil foundation treatment.The sectional type drainage combined pile comprises a lower pile body, a pile core, a permeable shell and a plurality of pore water pressure monitoring components, the lower portion of the pile core is fixedly arranged in the lower pile body in a sleeved mode, and the permeable shell is fixedly arranged outside the upper portion of the pile core in a sleeved mode; the pile core and the lower pile body are both of a rigid structure and are waterproof, a plurality of pore water pressure monitoring components are sequentially embedded in one side of the water-permeable shell from top to bottom, and a plurality of pore water pressure monitoring components are sequentially embedded in one side of the lower pile body from top to bottom. According to the sectional type drainage combined pile, the foundation bearing capacity and the consolidation rate are improved. Meanwhile, a consolidation calculation method considering radial and vertical seepage of the sectional type drainage composite pile is established, the consolidation calculation method is suitable for consolidation analysis of the sectional type drainage composite pile, and an accurate theoretical basis is provided for engineering design.

The invention discloses a design method capable of giving consideration to both toughening and crack path controllability for a brittle material, and belongs to the technical field of fracture mechanics and artificial intelligence crossing, and the method comprises the steps: employing an input coding method based on space-response double-domain fusion to carry out feature extraction; introducing a channel attention mechanism to perform weighted fusion on the extracted double-domain features, and generating prediction results for different key tasks; evaluating the reliability of a prediction result by adopting a phase field verification and closed-loop adaptive optimization mode, and carrying out iterative training and optimization on the neural network; and taking the optimized neural network as a fitness evaluation function of double-target genetic optimization, and performing multi-target optimization on defect generation parameters. According to the invention, through fusion of the spatial domain and the response domain, geometric morphology and dynamic response characteristics are cooperatively extracted, and the prediction precision of complex fracture behaviors is improved; through non-dominated sorting multi-objective optimization under physical constraints, a high-toughness and path-controllable optimal solution is output, and brittle materials are pushed to cross an active controllable fracture design.

The invention relates to the technical field of underground building foundation reinforcement and leakage prevention, in particular to an underground building foundation reinforcement and leakage prevention integrated device and method.The device comprises a movable rack, and a jolt ramming mechanism and an air drying mechanism are installed on the movable rack; the primarily-coated coating is impacted and compacted through the first compaction block and the second compaction block, the waterproof coating is powerfully pressed into holes in the inner wall of the foundation pit, a deeply-fused tight bonding layer is formed, and the interface bonding force and adhesive force between the waterproof coating and the inner wall of the foundation pit are greatly enhanced in the process; and the defect of insufficient bonding strength in the prior art is effectively overcome, so that the phenomena of peeling, cracking and overall falling of the waterproof coating in the later period are fundamentally prevented.

The utility model discloses a kind of foundation structure and wind turbine generator set of wind turbine generator set, it is related to wind power generation technical field, wherein, foundation structure includes first bearing platform, second bearing platform, multiple bored piles and multiple anchor rods, the top surface of first bearing platform is connected with the connecting cylinder for connecting the tower cylinder of wind turbine generator set;Second bearing platform is set below first bearing platform, the top surface of second bearing platform projects the bottom surface of first bearing platform and forms step surface, the vertical projection of the bottom surface of first bearing platform in second bearing platform forms core area, the edge of second bearing platform forms the expansion area surrounded in core area;Multiple bored piles are distributed in core area with interval, each bored pile extends downward from the bottom surface of second bearing platform, and bored pile is vertically arranged;Multiple anchor rods are distributed in expansion area with interval, and anchor rod extends downward from the bottom surface of second bearing platform and is arranged with inclination.The foundation structure has good bearing capacity and stability, can guarantee the safety and stability of wind turbine generator set in long-term operation process.

This utility model discloses a fast battery swapping frame for new energy microvans, comprising: a frame body, wherein the frame body is formed by two sets of longitudinal beams and two sets of transverse beams connected together; the longitudinal beams adopt a C-shaped structure; the ends of the transverse beams are located in the C-shaped grooves of the longitudinal beams; a notch is provided at the top of the transverse beams near one end; and support plates are provided inside the transverse beams on both sides of the notch; this utility model forms a stable overlapping structure by welding the ends of the transverse beams to the C-shaped grooves of the longitudinal beams, which increases the contact area of ​​the connection parts, allowing the load generated during battery swapping to be more effectively distributed along the longitudinal beams to the entire frame body, avoiding local stress concentration, and significantly improving the overall load-bearing capacity and structural stability of the frame body.

The application provides a small satellite platform structure which carries a large amount of propellant and is connected and separated in point mode, belongs to the technical field of spacecraft structure, and comprises a frame, a bottom plate, a lower cabin partition plate, a storage tank support rod, a middle layer plate, an upper cabin partition plate, a top plate and a side plate, so that the side plate surrounds the parallelly arranged bottom plate, middle layer plate and top plate into a closed box body, the bottom plate is connected to the frame, the storage tanks are arranged diagonally in the round holes on the bottom plate and the middle layer plate, and the storage tank support rods are uniformly distributed around the round holes; the middle layer plate separates the box body into an upper cabin and a lower cabin, the upper cabin partition plate is connected in the upper cabin, and the lower cabin partition plate is connected in the lower cabin. The application proposes a configuration of "point connection + storage tank sinking", meets the demand of the small satellite platform for carrying a large amount of propellant, effectively reduces the whole satellite center of mass, and improves the satellite dynamic environment; meanwhile, the bottom main load-bearing frame cooperates with a detachable adapter block, can adapt to different mechanical interfaces of launch vehicles, and realizes point connection and separation.

This utility model relates to the field of tower wall repair equipment, specifically to a tower wall plug fixing device, including a first fixing plate and a second fixing plate. The ends of the first fixing plate and the second fixing plate are wrapped around the tower wall by fixing members. A repair plug is provided on the tower wall, and the repair plug is installed in the first fixing plate or the second fixing plate. Support members are provided at the bottom of both the first fixing plate and the second fixing plate. This utility model, through the cooperation of the first fixing plate, the second fixing plate and the fixing members, can be quickly installed around the tower wall without welding, significantly improving construction efficiency and reducing safety risks.

This utility model discloses a lifting AGV transport vehicle, including a chassis with steering wheels mounted around the bottom of the chassis; a four-gantry synchronous lifting system mounted on both sides of the chassis, comprising four sets of vertically synchronously moving sliding frames; a roller conveyor fixedly mounted on the four sets of sliding frames; a cover fixed on both sides of the chassis; a control box fixedly mounted on one side of the cover; and a laser radar fixedly mounted on the center of the four sides of the chassis, communicating with the control box. In this utility model, a large-stroke vertical adjustment is achieved through a hydraulic system, enabling precise docking with roller conveyors of different heights without the need for additional transfer stations or external lifting equipment. This achieves automatic cross-layer transport, improving the flexibility of the logistics system. Furthermore, the four-gantry synchronous lifting system is equipped with a synchronous chain and sprocket transmission mechanism, converting the linear motion of the hydraulic cylinder into the synchronous lifting of the sliding frames, effectively avoiding platform tilting caused by hydraulic fluctuations or mechanical deviations.

The application discloses an oil-immersed power module and a charging system. The oil-immersed power module comprises a shell, a power plate and at least one busbar, the shell is provided with a liquid inlet and a liquid outlet, the power plate is attached to the inner side of the shell, and the at least one busbar is vertically arranged on one side of the power plate and is provided with a plurality of oil through holes. The busbar is internally provided with a thick copper circuit layer. The busbar is internally provided with the thick copper circuit layer, so that the traditional copper busbar can enhance the current carrying capacity. The busbar separates the inside of the shell and is provided with the oil through holes, so that the insulating oil needs to pass through the oil through holes to reach both sides of the busbar, thereby realizing the guiding effect of the traditional busbar on the insulating oil. Therefore, only the busbar is used in the power module to replace the traditional busbar and the busbar, thereby effectively reducing the overall size of the power module.

This utility model provides a pile head reinforcement structure for construction in hard rock formations, including a steel sleeve, a grouting structure disposed between the steel sleeve and the outer surface of the pile head, a shear structure for forming a mechanical interlocking effect between the pile head and the steel sleeve, an anchoring structure for reliable connection with the pile body, a pressure-bearing flange disposed at the bottom of the steel sleeve, and a reinforcing rib structure arranged on the outer wall of the steel sleeve. The steel sleeve is fitted around the periphery of the precast pile head, and the grouting structure fills the space between the inner wall of the steel sleeve and the outer surface of the pile head and is fixed to both. This pile head reinforcement structure for construction in hard rock formations solves the problem that, due to the lack of effective structural reinforcement and circumferential restraint measures for precast pile heads in related technologies, pile heads are prone to spalling, crushing, cracking, and other damage under high loads and impact conditions.

The utility model relates to the field of maintenance frame discloses a maintenance frame for lifting type industrial robot, including base, the top of base is provided with lifting assembly, the top fixed connection of lifting assembly has fixed platform, both sides of fixed platform all are fixedly connected with two connecting frames, the left side fixed connection of connecting frame has support frame, the bottom rotatory connection of support frame has support rod, the other end rotatory connection of support rod has support screw rod, the other end fixed connection of support screw rod has driven rod, the middle rotatory connection of driven rod has fulcrum rod, the side fixed connection of driven rod has adjusting rod. In the utility model, enhance platform stability, this design operation is simple, compact structure, can fixedly spread of extension board fast, is applicable to industrial maintenance scene etc, has the advantages such as smooth unfolding, locking reliable, strong bearing capacity, effectively promotes work efficiency and security.

The utility model provides an electronic mechanical braking device for a drive-by-wire chassis, and belongs to the technical field of vehicle braking. The electronic mechanical braking device comprises a braking caliper body assembly, a braking transmission assembly, a driving motor connecting assembly and a driving motor. The brake caliper body is a core part of the brake caliper body assembly, an arc-shaped face and a limiting face are arranged in the brake caliper body, and a driving motor connector is arranged at the tail of the brake caliper body. The brake transmission assembly comprises a nut piston sealing cover, a nut piston and a ball screw. The nut piston is provided with an arc-shaped surface, a limiting surface and a sealing groove; the driving motor connecting assembly comprises a spline groove flange plate and a driving motor fixing frame. The electronic mechanical braking device adopts a caliper body integrated configuration scheme, and has the advantages of compact structure, smooth transmission, quick response, high bearing capacity and the like. Meanwhile, the electronic mechanical braking device can adapt to driving motors of different specifications by adjusting the driving motor fixing frame and the spline groove flange plate, and the application scene of the electronic mechanical braking device is expanded.

The utility model relates to the technical field of bearings, and discloses a liquid-lubricated heavy-duty bearing mechanism which comprises an outer ring, an inner ring is arranged in the outer ring, a limiting ring is arranged on the inner wall of the inner ring, a ball is arranged in the inner ring, a push rod is slidably connected in the inner ring, the bottom end of the push rod is fixedly connected with a connecting plate, and the bottom end of the connecting plate is fixedly connected with a piston rod. A tension spring is fixedly connected to the upper surface of the connecting plate, a transmission frame is fixedly connected to the lower surface of the connecting plate, a sliding rod is slidably connected to the outer wall of the transmission frame, a positioning rod is slidably connected to the outer wall of the sliding rod, a telescopic rod is fixedly connected to the outer wall of the sliding rod, and an oil conveying assembly is arranged in the inner ring. According to the utility model, through the cooperation of the push rod, the connecting plate, the tension spring, the transmission frame, the sliding rod, the telescopic rod and the positioning rod, the limiting ring is mounted and dismounted, the balls are limited or released, and local stress concentration of the balls is avoided, so that the overall bearing capacity of the bearing is improved.

The utility model relates to fluent strip technical field, and disclose a kind of fluent strip of being convenient for splicing, including bottom plate, the surface of bottom plate is equipped with sliding slot and two groups of symmetrically arranged guide slot, the inside of sliding slot is provided with adjusting assembly, the adjusting assembly includes moving seat, the inside of sliding slot is slidably connected in moving seat, moving seat is symmetrically provided with two groups, and two groups moving seat are connected by two-way threaded rod screw thread between the moving seat, the surface of moving seat is fixedly connected with track plate, the sidewall of track plate is equipped with multiple groups of array distribution's jack, the inside of jack is inserted with shaft, the outer wall of shaft is rotatably connected with pulley. The fluent strip of being convenient for splicing, by two-way threaded rod, hand wheel and the adjusting assembly of moving seat, can synchronously drive two groups of track plate to be close or far away, quickly adapt the installation demand of different size pulley, so that multiple specifications pulley can be flexibly matched.

The invention discloses a multi-layer steel structure connecting frame. The multi-layer steel structure connecting frame sequentially comprises a bottom-layer frame, a top-layer frame and at least one middle-layer frame between the bottom-layer frame and the top-layer frame from bottom to top. The frames comprise stand columns, and every two adjacent stand columns are connected through a cross beam. The adjacent frames are connected up and down through connecting assemblies; the connecting assembly comprises a first connecting piece and a second connecting piece. The first connecting piece comprises a first rectangular frame and a first sleeve. The second connecting piece comprises a second rectangular frame and a second sleeve, and the opening end of the second sleeve is opposite to the opening end of the first sleeve. The connecting rib is connected with the first connecting piece and the second connecting piece. The first connecting piece and the second connecting piece are connected in an anchoring mode through the mutual inserting design of the connecting ribs and the sleeves, so that the connecting ribs and grouting materials are combined more firmly, the strength and stability of the structural connecting portion are improved, and structural potential safety hazards caused by dislocation or looseness of the connecting ribs are avoided.

The application discloses a full-wrapping concrete truss structure and a construction method thereof, and belongs to the technical field of building structures. The full-wrapping concrete truss structure comprises a steel pipe truss assembly arranged between a plurality of steel plates, a wrapping assembly arranged outside the steel pipe truss assembly, and a concrete layer arranged outside the wrapping assembly. The construction method comprises the following steps: S1, preparing a top chord, a bottom chord, a vertical rod and a horizontal rod, wrapping the rods with a reinforcing mesh and welding to obtain a steel pipe truss shell; S2, arranging a diagonal web member assembly inside the shell and arranging a connecting mesh outside the shell to form a steel pipe truss monomer; S3, bolt connecting a plurality of monomers and bolt connecting the steel plates and the monomers at edges to form a steel pipe truss structure; and S4, vibrating the steel pipe truss structure after concrete partition pouring to obtain the full-wrapping concrete truss structure. The application can realize full wrapping of the steel pipe, ensure that the concrete layer is tightly bonded with the steel pipe, and improve the stability and safety of the structure.

This invention belongs to the field of robot joint technology, specifically relating to a rope-driven, decoupled, dual-parallel five-DOF bionic shoulder joint, including a scapulothoracic joint mechanism, a glenohumeral joint mechanism, a drive base device, and drive ropes. The scapulothoracic joint mechanism and the glenohumeral joint mechanism are internally rotatably connected. The drive base device is used to fix the scapulothoracic joint mechanism and to provide drive ropes for both mechanisms. The scapulothoracic joint mechanism is constrained by a first constraint branch, a second constraint branch, and a decoupling through-line branch, satisfying the pure rolling two-DOF rotation requirement, driven by two sets of antagonistic drive ropes. The glenohumeral joint mechanism is driven by four independent drive ropes to achieve three-DOF rotational motion. The decoupling through-line branches distribute the drive ropes of the glenohumeral joint mechanism, achieving physical decoupling and ensuring that the drives of the two mechanisms do not interfere with each other. Through rope-driven and dual-parallel passive mechanisms, a larger range of motion can be achieved, improving the stiffness and load-bearing capacity of the mechanism.

This utility model provides a car roof handle and vehicle based on a four-bar linkage, belonging to the field of automotive parts technology. It includes: a base with a proximal hinge and a distal hinge, located at different positions along the depth of the base; one end of a first rocker arm hinged to the proximal hinge of the base, and the other end of the first rocker arm hinged to a connecting arm; one end of a second rocker arm hinged to the distal hinge of the base, and the other end of the second rocker arm hinged to a connecting arm; the connecting arm is hinged to the handle body. The first rocker arm, the second rocker arm, the connecting arm, and the base constitute a four-bar linkage. The advantages of this utility model are: the four-bar linkage allows for extension and retraction between the handle body and the base, enabling the handle body to be retracted and close to the base when not in use, and extended when in use, saving interior space and adapting well to bumpy driving environments.

The application relates to the technical field of building information technology and discloses a building 3D model automatic generation method and system based on a DXF file, which comprises the following steps: extracting floor numbers by analyzing the file name of a multi-floor DXF file, performing concurrent format conversion on multiple files to generate GeoJSON data, identifying building components such as walls, doors, windows and rooms of each floor through geometric semantic analysis to generate a floor building semantic model, assembling and generating a complete 3D building model according to the floor sequence based on the semantic model, and simultaneously realizing asynchronous task scheduling of each link by using a distributed micro-service architecture. The application can realize full-automatic, efficient and high-precision generation of a building 3D model, greatly reduces the modeling cost and technical threshold, and is suitable for application requirements of multiple scenes such as building design, real estate display and city digital twinning.

The utility model discloses a socket type reinforced concrete cement pipe, which relates to the technical field of concrete cement pipe processing and comprises a protective pipe, a thermal insulation pipe fixedly connected to the inner wall of the protective pipe, a placing groove arranged at the joint of the protective pipe and the thermal insulation pipe, a reinforcing steel bar group placed in the placing groove, and a top cover arranged at the top of the protective pipe. A fastening steel ring abuts against the connecting position of the top cover and the protection pipe, a material injection opening is formed in the top of the top cover, and the material injection opening is formed in the top cover in a T-shaped mode. According to the cement pipe hoisting device, due to the arrangement of the hoisting ring connecting block, safety and stability of a cement pipe in the hoisting process can be guaranteed, and construction efficiency is improved; through cooperation of the reinforcing steel bar rings and the longitudinal reinforcing steel bars, the mechanical property of the cement pipe can be remarkably enhanced, and the bearing capacity and durability are improved; and through the arrangement of the fastening steel ring, the fastening effect of the fastening steel ring can be enhanced, the overall sealing performance and structural stability of the pipeline are improved, and the problem that connection is loosened easily due to insufficient friction force in a traditional fastening mode is solved.

The present application relates to the technical field of building construction, in particular to a bolt end plate connecting joint of a fabricated concrete beam column, comprising a sleeve plate one and a sleeve plate two, both of which are sleeved on a steel column, both sides of the steel column are provided with a concrete fabricated beam, the bottom surface of the sleeve plate one is fixed with two groups of traction plates, each group is provided with two traction plates, the two traction plates are inserted into two groove bodies at the end of the concrete fabricated beam, the surface of the traction plate is fixed with a connecting plate, and the surface of the connecting plate is provided with a assembling groove, the sleeve plate one and the sleeve plate two are sleeved on the steel column, the pre-limiting of the concrete fabricated beam is realized through the traction plate, the screw rod and the nut, the operation process is simple and easy to understand, the construction personnel do not need to have superb welding skills, only need to install the parts and tighten the bolts according to a certain order, the connection can be completed, the construction time is greatly shortened, and the construction efficiency is improved.

The utility model provides a kind of big section equal strength pull rod and support assembly, comprising: first pull rod body;Wherein, first pull rod body middle part is outwardly provided with connecting column, connecting column is opened with a passageway along the axial direction of the first pull rod body, to be used to wear other components;The both ends of first pull rod body are respectively provided with first fastener, to be used to with the corresponding component on the structure to be supported detachably connected.The utility model provides big section equal strength pull rod, by outwardly provided connecting column in first pull rod body middle part, and passageway is opened in the axial direction in connecting column, can be connected with other components and wear, to enhance the overall stability of structure.In addition, the first fastener of first pull rod body both ends allows to carry out detachably connected with the corresponding component on the structure to be supported, significantly improves installation efficiency and construction convenience, can meet the prerequisite of high-strength bearing demand, effectively reduces on-site welding workload, reduces construction difficulty, shortens engineering cycle.

This utility model relates to the technical field of tension adjustment devices, specifically a tension adjustment device for the production of flame-retardant needle-punched fabric. Its purpose is to solve the problem that existing tension rollers require height adjustment when guiding needle-punched fabrics of different specifications. However, the adjustment of the tension roller is cumbersome and time-consuming, achieved by raising and lowering screws on a bracket. Therefore, this new device improves the efficiency and effectiveness of the tension adjustment, thus enhancing its practicality. The device includes a tension roller, a rotating shaft, and fixed plates. The rotating shaft is fixedly mounted to the tension roller, and both sides of the rotating shaft are rotatably connected to corresponding fixed plates. The tension roller is guided and pressed by the flame-retardant needle-punched fabric. A pre-tightening mechanism is provided at the bottom of the two sets of fixed plates. The pre-tightening mechanism also includes a sliding block, a lifting plate, a limiting plate, and a spring. A groove is provided at the top of the lifting plate, and a working cavity is provided at the bottom of the groove.

This invention relates to the field of power cable technology and discloses a wear-resistant modified PE sheathed power cable with a braided reinforcement layer. From the inside out, the invention comprises a conductor, an insulation layer, a filler layer, a metal shielding layer, an inner sheath layer, a buffer layer, an armor layer, a double-gradient braided layer, and an outer sheath layer. The buffer layer is filled with nano-magnesium hydroxide particles and hollow glass microspheres to enhance buffering energy absorption and flame retardant performance, resisting external impacts and fire risks. The double-gradient braided layer uses a blended fiber design to enhance tensile strength and dynamic friction reduction, adapting to dragging and stretching conditions. The outer sheath layer, with its helical interlocking structure and graphene molybdenum disulfide modified ridge surface, enhances wear resistance and load-bearing capacity, resisting wear in complex environments. The synergistic effect of each functional layer comprehensively improves the overall performance of the cable.

The application provides an improved method for a ceramic matrix composite integral blade disc, comprising the following steps: preparing a fiber preform according to the blade distribution density and the blade profile cross-sectional shape; obtaining a first integral blade disc according to the fiber preform; and setting a claw-shaped boss on the surface of the first integral blade disc to obtain a target integral blade disc; wherein the integral blade disc comprises a disc, N blades and a claw-shaped boss, and the disc and the claw-shaped boss are both made of a ceramic matrix composite. The ceramic matrix composite integral blade disc obtained from the fiber preform in the application can greatly improve the load capacity of the integral blade disc at the hub and the blade root part, and simultaneously reduce the difficulty and cycle of processing. Meanwhile, the claw-shaped boss set on the surface of the disc can effectively avoid the extrusion damage of the disc caused by the shaft deformation, and realize the effective force and torque transmission between the integral blade disc and the shaft.

The utility model discloses a bearingless compound planetary reducer which comprises a primary planetary reduction structure and a secondary planetary reduction structure, planet wheels of the primary planetary reduction structure and the secondary planetary reduction structure are coaxially and rigidly connected, and a sun wheel of the primary planetary reduction structure is used as a rotating input end. A gear ring of the second-stage planetary speed reduction structure is used for carrying out speed reduction transmission on the rotating output end; according to the planetary reducer, the two-stage planetary speed reduction structure is adopted for speed reduction transmission, the planet gears of the two-stage planetary speed reduction structure are coaxially and rigidly connected, the gear ring of the two-stage planetary speed reduction structure is used as the rotating output end, a planet carrier is not needed, the number of parts is reduced, the mass is reduced, the hollow diameter is increased, and machining and assembling of the planetary reducer can be simplified.

A new type of oil cavity recess type static and dynamic pressure thrust bearing, with the development of high speed heavy load cutting technology, heavy equipment gradually to high speed heavy load development, we are more and more high performance requirements of static pressure thrust bearing, but with the increase of speed and load, the lubricating oil film because of the action of shear force and extrusion force, shear heat increases, oil film thin, even in local tribology failure phenomenon, and bearing because of local overheating deformation, resulting in lubricating oil leakage, and lubricating oil viscosity decreases, will produce static pressure loss, therefore, the patent puts forward a new type of oil cavity recess type static and dynamic pressure thrust bearing, so that the static pressure thrust bearing work, oil cavity and rotary workbench guide surface between the total wedge gap, under the condition of rotary workbench high speed rotation, meet the conditions of dynamic pressure effect, use dynamic pressure effect, through the dynamic pressure to make up for the lack of static pressure bearing capacity, in order to achieve the purpose of improving the bearing capacity and stability.

A loader frame articulation structure, belonging to the field of engineering machinery, includes a front frame and a rear frame, connected by an articulation assembly. The articulation assembly includes an articulation shaft, which is fixedly mounted on the front frame, and the rear frame is rotatably connected to the articulation shaft. The articulation shaft includes a cylindrical portion and a truncated cone portion. The truncated cone portion is fixedly mounted on the upper end of the cylindrical portion and installed within an articulation hole in the front frame. A mounting plate is mounted on the upper end of the truncated cone portion, and the mounting plate is fixedly connected to the front frame by bolts. The cylindrical portion is rotatably connected to the rear frame, and the lower end of the cylindrical portion is connected to the articulation hole on the front frame via a bushing. The use of a conical surface fit at the loader's articulation structure significantly improves the assembly accuracy and connection strength at the articulation point, thereby solving the connection strength problem at the articulation point under extreme working conditions and the fatigue wear problem caused by the increasing use time of the loader, effectively reducing the failure rate of the loader product.

The application discloses a server node copper bar structure, a power supply circuit and a server. The server node copper bar structure comprises a copper bar assembly, the copper bar assembly comprising a ground common copper bar and at least two positive copper bars arranged on the ground common copper bar, the at least two positive copper bars corresponding to at least two adapter cards one by one, and each positive copper bar supplying power for the corresponding adapter card; a first floating terminal arranged on the ground common copper bar and connected with an adapter card ground pin of at least one adapter card; at least two second floating terminals corresponding to the at least two positive copper bars, each second floating terminal being connected with an adapter card power pin of each adapter card; and the copper bar assembly further comprising a copper bar ground pin and a copper bar power pin, the copper bar ground pin being connected with a ground terminal of a distribution board, and the copper bar power pin being connected with a power supply terminal of the distribution board. The application solves the problem that the power supply mode for a high-power GPU increases the occupied space of a power supply system in the prior art.

The utility model discloses a battery module material rack which comprises a second supporting pad, the upper end of the second supporting pad is fixedly connected with a lower longitudinal fixing rod, one end of the lower longitudinal fixing rod is fixedly connected with a lower transverse fixing rod, a supporting assembly is arranged on the lower longitudinal fixing rod and the lower transverse fixing rod, a stress assembly is arranged on the supporting assembly, and the stress assembly is fixedly connected with the second supporting pad. The weight of the battery module is uniformly dispersed to the stress component through the grid supporting structure, so that safe stacking is realized; the height difference design of the supporting pad and the clamping plate ensures that the fork arm of the forklift can be smoothly embedded, and the carrying stability is improved; according to the sliding opening and closing system, the material frame can be rapidly stored and taken without disassembling the storage and transportation box, firstly, the material frame bears the battery modules through the grid supporting layer, then fork arms of a forklift are embedded into clamping plates to achieve stable carrying, at the moment, sliding doors of the storage and transportation box are closed to form a sealed space, and sliding limiting plates are opened to facilitate rapid material taking; the problems that traditional storage and transportation equipment is difficult to stack, unstable in carrying and tedious in operation are solved.