59results about How to "Uniform delivery" patented technology

This utility model relates to the field of spillway tunnel support technology, specifically a reinforcement support device for spillway tunnel excavation. It includes a fixed frame, with lifting blocks bolted to both ends of the fixed frame. A support block is slidably connected to the lower end of each lifting block, and a support base is fixed to the lower end of each support block. Multiple brackets are fixed to the top surface of the lifting blocks. Connecting seats are fixed to the outer ends of the brackets and both ends of the top surface of the fixed frame. Arc-shaped blocks are bolted to the connecting seats. A first pressure-relief block is fixed between two adjacent arc-shaped blocks. A second pressure-relief component is installed at the end of each bracket near the arc-shaped block. A connecting component, including an insert block, is installed on the arc-shaped block. The first pressure-relief block between adjacent arc-shaped blocks and the second pressure-relief component at the end of the bracket undergo controllable limited deformation, absorbing the energy released by the surrounding rock while maintaining stable support for the surrounding rock. This reduces the rigid stress on the structure, decreases brittle failures such as retaining wall cracking, support bending, and joint collapse, and lowers the risk of collapse.

This utility model discloses a fracture-resistant bolt connection pair structure for long-span steel bridges, including a bolt body, an anti-loosening nut assembly, an anti-corrosion washer assembly, a first steel bridge connection plate, and a second steel bridge connection plate. This utility model relates to the field of steel bridge connection structure technology. This fracture-resistant bolt connection pair structure for long-span steel bridges forms a dual stress dispersion structure through a tapered connector between the bolt head and the bolt segment, and four U-shaped stress relief grooves on the bolt segment. This significantly reduces the stress concentration coefficient at the bolt connection, preventing fatigue crack initiation under long-term alternating loads. Simultaneously, the main nut and auxiliary nut, in conjunction with an annular boss, compress the nitrile rubber elastic bushing, continuously compensating for preload attenuation caused by vibration, achieving a preload retention rate of over 90%. This solves the problem of uneven bolt stress caused by loosening of traditional nuts. It ensures the fracture-resistant performance of the bolt connection pair from both "fatigue resistance" and "loosening prevention" dimensions, meeting the core stress requirements of long-span steel bridges.

The utility model belongs to the technical field of hot welding device, specifically disclose a kind of inside hot welding device of hemispherical shell, including work panel, fixed with locating die on work panel, multiple hot welding holes are arranged on the hemispherical locating wall of locating die, locating die is accommodated with the hot riveting piece with vertical movement function, the top of hot riveting piece is respectively equipped with hot riveting head corresponding the position of each hot welding hole, locating die is equipped with the die with vertical movement function directly above, and the pressure column is elastically inserted in the die pressure surface that is hemispherical concave arrangement. The utility model is fixed with locating die on work panel, its hemispherical locating wall is equipped with hot welding hole, for the riveting piece welding leg guidance, locating die has the hot riveting piece that can be vertically moved, top hot riveting head accurately acts on welding leg, directly above has the die that can be vertically moved, and die pressure surface is consistent with shell, cooperate elastic pressure column, realize the high-precision positioning of the riveting piece and shell, uniform stable hot welding and reliable crimping, improve production efficiency, ensure product quality.

The utility model discloses a steel pipe pile foundation reinforcing device, including two symmetrical main hoop, and the end face of two main hoop is through bolt penetration, the inclined support is top rotation and is installed in the outside of main hoop, be provided with reinforcing subassembly on main hoop, and this reinforcing subassembly includes: connecting piece, vertical penetration main hoop to be arranged on main hoop equally, reinforcing part, install on connecting piece, and the vertical projection of reinforcing part coincides with the vertical projection of main hoop, in the utility model, the reinforcing subassembly of additional not only has promoted the contact area with steel pipe pile foundation greatly to the effectual enhancement of the support performance of whole, still through more extensive distribution, make the load can be more evenly transmitted, reduced the risk of local stress concentration, and on the inclined support structure, added auxiliary support subassembly, this design not only strengthened the bearing capacity of inclined support itself, more on the whole, promoted the stability of support structure.

The application belongs to the technical field of polymer preparation, and particularly relates to a high-strength self-supporting polypyrrole nano array and a preparation method and application thereof. The preparation method comprises the following steps: (1) first, dispersing a hydroxypropyl-beta-cyclodextrin and polyethylene glycol aqueous solution onto an ice surface, and then adding a pyrrole monomer to form a dispersion liquid; (2) adding an acid solution containing an oxidizing agent to the dispersion liquid, and obtaining the high-strength self-supporting polypyrrole nano array after reaction. The application directly uses a macroscopic ice block as a hard template for polypyrrole preparation, and introduces a cyclic molecule hydroxypropyl-beta-cyclodextrin with hydrophilic and hydrophobic dual functions and polyethylene glycol with a linear polymer chain as an array growth aid, so that a high-strength polypyrrole nano sheet array with a self-supporting structure is prepared through a one-step polymerization method. The high-strength polypyrrole nano sheet array can be used as a conductive filler of polyurethane in the field of 3D printing technology, and greatly improves the mechanical properties and antistatic ability of products.

The utility model discloses a prestressed hollow square pile reinforcing structure, include: pile body, reinforcing component, the reinforcing component includes upper reinforcing block, lower reinforcing block, reinforcing rib, support ring, hanging rod and positioning slot, upper reinforcing block distributes in the upper portion of the inner surface of pile body, and lower reinforcing block distributes in the lower portion of the inner surface of pile body, and support ring is fixedly connected between a plurality of upper reinforcing blocks and a plurality of lower reinforcing blocks respectively, and reinforcing rib is poured and is connected between a plurality of support rings, and hanging rod is fixed in the outer end of reinforcing rib. The utility model discloses being equipped with the reinforcing component, after upper reinforcing block, lower reinforcing block, reinforcing rib and support ring are installed in the inside of pile body, hanging rod is hung in the inside of positioning slot, and top ring is inlaid in the top and bottom of the inner surface of pile body and is clamped with the top of hanging rod through the clamping hole, pours and fills in the inside recess, makes top ring and upper reinforcing block, lower reinforcing block realize fusion between, forms integrated reinforcing structure, and the integrity of the inside of pile body is strengthened.

The utility model provides a bulldozer drive gear bearing separation tool relates to engineering machinery maintenance tool technical field, it includes roof, jack and connecting rod, jack is movably arranged between bearing and roof for pressing, connecting rod detachably connects roof and drive gear. The roof has an annular mounting hole, the connecting rod passes through the drive gear process hole and the roof mounting hole, and the two ends are provided with stoppers and limit pins and other limit parts. The connecting hole is a long hole, the stopper is a central circular block and is integrally connected with the connecting rod, and the limit pin is L-shaped. The bottom of the jack is provided with a cylindrical wooden block pad, and the center of the roof is provided with a limiting cylinder matched with the telescopic shaft of the jack. The tool solves the problems of difficult operation, easy damage of components and low efficiency in the traditional separation mode, and has the beneficial effects of simple operation, labor intensity reduction, component damage avoidance, efficiency improvement and good universality.

The utility model relates to the field of elevator car handrail structure, relate to a kind of elevator car handrail structure, the utility model includes: handrail main body, two groups of fixed link, inner heating component and outer sheath, the fixed link one side thread connection handrail main body, the fixed link other side fixedly connected car main body, the inner heating component includes annular base core, cage heating wire, connecting socket, wire and power plug, the cavity is equipped in handrail main body inside, the annular base core is set in cavity and is attached to cavity inner wall setting, the cage heating wire is set in annular base core, the connecting socket electrically connected in the head of cage heating wire, the plug electrically plugged in the wire front end is connected with connecting socket, the wire passes through one group of fixed link inside to the outside of car main body and is connected power plug, the outer sheath can be detachably set in the outside of handrail main body, effectively solve the winter handrail ice cold problem, improve the comfort of passenger riding elevator.

The utility model relates to the technical field of highway reconstruction, specifically relates to a kind of rigid-flexible fusion asphalt pavement structure for old cement road white plus black reconstruction, from bottom to top include semi-rigid bottom base course, flexible cement concrete base course and asphalt concrete surface course in turn.Rigid-flexible fusion asphalt pavement structure enhances the structural synergy between asphalt surface course and old cement pavement, improves the adaptability to hidden disease of old pavement, improves the service life of road after white plus black reconstruction, and reduces the maintenance cost in later period.

This application discloses a trough fermentation system for lignite fermentation, including a fermentation trough and a heating device for heating the fermentation trough. A floor heating coil is installed at the bottom of the fermentation trough. The heating device supplies heat to the fermentation trough through the floor heating coil, providing different amounts of heat to the fermentation trough in the early, middle, and late stages of fermentation, respectively, so that the fermentation trough is in the first, second, and third stages. The gradient temperature control of this application can accurately meet the temperature requirements of different stages in the fermentation process, significantly improving fermentation efficiency, accelerating the fermentation process, significantly shortening the fermentation cycle, and reducing greenhouse gas emissions, thus offering environmental advantages.

The utility model discloses a kind of efficient energy-saving electric heating pipes, the device includes: pipe body, the pipe body one end is equipped with end cap, the end cap one end is equipped with two lead wires, the pipe body sequentially includes base layer, oxidation resistance layer, reflective heat insulation layer from inside to outside, the base layer inner wall is equipped with evenly distributed heat dissipation rib. The utility model has the advantages that: pipe body is sequentially set base layer, oxidation resistance layer and reflective heat insulation layer from inside to outside, reflective heat insulation layer is like a layer of "heat shield", can efficiently reflect the heat radiated outward in pipe body interior, heat is "intercepted" in pipe, reduce the dissipation of heat to surrounding environment, so that more heat can be concentrated for heating target object;Base layer inner wall is provided with the heat dissipation rib that is distributed in helical shape, this unique helical structure increases the surface area of base layer inner wall, provides more passageway and contact area for heat transfer, effectively reduces energy consumption, meets the environmental protection requirement of energy saving and emission reduction currently.

The utility model discloses a hardness detection device with compression function for photovoltaic production, including work table, the top fixed mounting of work table has four struts, four the top fixed mounting of strut has the top plate, the bottom fixed mounting of top plate has hydraulic telescopic link no.

The utility model relates to the technical field of composite metal plate, concretely relates to a kind of multi-flexibility layer metal wear-resistant lining, including substrate layer, the outside of substrate layer is sequentially provided with transition layer and wear-resistant layer according to from inside to outside, wear-resistant layer is alternately superimposed and is constituted by high-hardness layer and toughness buffer layer, the outermost layer of wear-resistant layer is high-hardness layer;High-hardness layer is high-chromium alloy or tungsten-based hard alloy;Toughness buffer layer is low alloy steel.The utility model designs wear-resistant layer as the structure of high-hardness layer and toughness buffer layer alternately superimposed, impact energy is absorbed using toughness buffer layer, crack formation is reduced under high impact working condition and crack propagation is effectively suppressed, and the wear resistance of multi-flexibility layer metal wear-resistant lining is significantly improved.

The utility model relates to a cloth drying device, including box, the roller wheel of cloth tension, drive the vibration device of roller wheel up and down vibration, the fan of cloth drying is carried out to the adjusting piece of adjustment roller initial position, the roller wheel slides in the box, the vibration device sets up in the both sides of the box, the effect end of vibration device connects the roller wheel, the fan sets up the top of the box, the adjusting piece sets up on the lateral wall of the box and the effect end of adjusting piece connects the vibration device. The box is equipped with the air inlet and the air outlet, the corresponding cloth guide cylinder is set up in the box, the heating pipe is set up, and is matched with the air blower, so that the hot air is used to carry out the drying operation to the cloth in the box, but the moisture of cloth is not spun dry, direct drying, and the efficiency of such drying is not high.

This invention discloses a lithium metal anode based on a gradient solid-state electrolyte, its preparation method, and its application. The lithium metal anode sequentially comprises: a current collector, a porous lithium-zinc alloy interface layer, a lithium metal layer, and a gradient solid-state electrolyte layer. The gradient solid-state electrolyte layer includes a polymer matrix and a high-dielectric filler layer distributed in a gradient within the polymer matrix. In this invention, the porous lithium-zinc alloy interface layer and the gradient high-dielectric filler polymer layer work synergistically to effectively guide uniform lithium-ion deposition, suppress dendrite growth, and reduce tip effects, thereby improving cycle life, reducing interface impedance and polarization voltage, and minimizing volume expansion.

The utility model discloses a floor post-pouring band structure, including base bottom plate, the post-pouring band is arranged between the adjacent base bottom plate, and the one side of base bottom plate towards post-pouring band is provided with first tenon, and the post-pouring band is provided with first mortise corresponding first tenon, and the upper part horizontal interval of post-pouring band is provided with a plurality of face reinforcement, and the lower part of post-pouring band is provided with bottom reinforcement correspondingly, and the vertical reinforcement is connected between face reinforcement and the bottom reinforcement corresponding below it, and the post-pouring band is arranged with flat steel, and the middle part of flat steel is downward bent and forms bending lower part, and the bending lower part is provided with a plurality of formwork holes for containing face reinforcement, and the upper part of flat steel is parallel to post-pouring band top surface, and face reinforcement, bottom reinforcement are connected with the inboard reinforcement arranged in base bottom plate respectively, and flat steel cooperates face reinforcement, vertical reinforcement and bottom reinforcement and forms rigid connection frame, guarantees that steel framework whole is stable, and flat steel helps more evenly transfer longitudinal stress, and reduces the risk of structure cracking in later period.

This utility model relates to the technical field of sponge titanium production equipment, specifically a movable-bottom device for sponge titanium production. It includes a shell, inside which a movable-bottom component is disposed. The movable-bottom component has several dividing ribs that divide the interior of the shell into five spaces. The movable-bottom component has a conical structure and can be ejected entirely from the top opening of the shell. A discharge hopper is disposed at the bottom of the shell, and a discharge port is disposed at the bottom of the discharge hopper. A lifting device is disposed below the discharge port to eject the movable-bottom component from the bottom upwards through the shell. In this movable-bottom device for sponge titanium production, the dividing ribs of the movable-bottom component evenly divide the interior of the shell into five spaces. Combined with the conical structure, this ensures that the generated sponge titanium is evenly dispersed during the reaction process, effectively preventing accumulation in the center and fundamentally preventing the formation of a hard core, thus improving the quality of the sponge titanium.

The application belongs to the field of semiconductor chip assembly, and particularly relates to a method for eutectic sintering of semiconductor chips. The method uses formic acid as a protective agent during eutectic sintering, and scientifically sets the eutectic sintering temperature rising and constant temperature programs, so that heat can be effectively and uniformly transferred to the solder and the chip, the solder can be stably melted, the formation of voids is reduced, and the adverse effects of the voids on the qualified rate of the solder piece are reduced.

The utility model relates to a kind of integrated RDT chip automatic detection detection instrument, including cabinet, the cabinet front end left side hinged connection sealed cabinet door, the power socket is evenly equipped in the rear side of the cabinet interior, the left and right sides of the cabinet inner wall are equipped with carrier plate sliding slot, the carrier plate sliding slot is equipped with slide rail inside, the slide rail sliding connection drawer type test carrier plate, with the advantages that accurate temperature control is realized, it is convenient to maintain and repair, and equipment utilization is improved.

This utility model discloses a pressure swing adsorption (PSA) oxygen generation adsorption tower, relating to the technical field of gas separation equipment, including a tower body structure, a base structure, a pressure swing structure, and a transmission structure. The tower body structure sequentially comprises an inlet chamber, a first molecular sieve layer, an intermediate chamber, a second molecular sieve layer, and an outlet chamber. The base structure converts rotational motion into linear reciprocating motion via a drive motor, a geared disc, a transmission wheel, and an eccentric rod. The pressure swing structure includes a first air bladder and a second air bladder connecting the inlet chamber and the intermediate chamber, with spring-loaded pressure plates connected to their bottoms. The transmission structure drives a first cam and a second cam with a 90° phase difference via a rack and pinion to alternately compress the air bladders. During operation, the compression of the first air bladder increases the air pressure in the inlet chamber, while the expansion of the second air bladder reduces the air pressure in the intermediate chamber, creating a pressure difference that accelerates gas transport; conversely, it enhances the inlet efficiency. This design integrates a self-generating gas pressure mechanism, eliminating the need for an external gas source system, and offers advantages such as compact structure, low energy consumption, and high gas transmission efficiency.

This invention discloses a three-dimensional continuous reinforced phase reinforced copper matrix composite material and its applications. The composite material comprises a three-dimensional continuous porous framework composed of reinforcing phases and a copper matrix phase filling the pores of the framework. The reinforcing phases are interconnected in three-dimensional space to form a continuous network, and the copper matrix phase is continuously distributed in three-dimensional space and fills the pores of the framework. The two phases are interpenetrating, forming a double-continuous three-dimensional network structure. The composite material exhibits good dimensional stability and mechanical properties, making it particularly suitable for applications requiring high heat flux and frequent thermal cycling, such as nuclear fusion divertors.

The utility model provides a branch circulation cooler for the production of amino silicone oil microemulsion softener, which comprises a reaction tank and a top cover. The top cover is installed on the top of the reaction tank. The inner wall of the reaction tank is provided with a temperature control cavity. Two partition plates are arranged inside the temperature control cavity. The partition plates divide the temperature control cavity into upper, middle and lower three regions. Each region is provided with a circulation pipeline respectively. Each region is filled with liquid. By dividing the temperature control cavity into upper, middle and lower three regions and respectively setting independent circulation pipelines and temperature regulating water tanks for each region, the temperature of each region can be independently and accurately regulated according to the temperature requirements in different production stages, greatly improving the accuracy of temperature control.

The application discloses a kind of adsorption tower adsorbate quick desorption and regeneration device, it is related to adsorbate desorption and regeneration technical field;Specifically including bottom plate, the outer wall of the top of bottom plate is fixed with pedestal by bolt, and the outer wall of the top of pedestal is respectively fixed with fixed seat one and fixed seat two by bolt, and the side of fixed seat one is provided with mounting hole, vertically attached mechanism is arranged in mounting hole, the lifting end of vertically attached mechanism is rotatably connected with attached plate, and attached plate and guide strip form sliding fit, the outer wall of both sides of fixed seat one is fixedly connected with slide strip, slide strip side is slidably connected with sliding block, and sliding block is integrally formed with attached plate, the outer wall of the top of pedestal is provided with positioning mechanism, and adsorbent is clamped between two positioning mechanisms.The distance between high-low adjusting heating plate and adsorbent is adjusted, more uniform heat conduction is realized, the phenomenon of local overheating or overcooling is avoided, so as to improve desorption efficiency.

The utility model relates to the technical field of part machining, and discloses a vibration reduction cutter bar for a numerical control vehicle, an inner cavity of a vibration reduction inner pipe is connected with a pushing disc in a wedging and sliding manner, the middle part of one end of the pushing disc is fixedly connected with a cooperative vibration rod, and the end part of the vibration reduction inner pipe is fixedly connected with a vibration absorption spring; when the tool bit and the tool apron are subjected to vibration force in the machining process, the vibration stress effect is transmitted to the pressure-bearing disc to drive the cooperative vibration rod to move, so that the vibration absorption spring is compressed, the vibration stress is preliminarily buffered, the vibration stress is reduced, and the tool bit and the tool apron are prevented from being damaged. And in the moving process of the cooperative vibration rod, the pushing disc is driven to move along the inner wall of the vibration reduction inner pipe, so that viscous damping liquid in the vibration reduction inner pipe is extruded through the pushing disc, the sealing performance of the connecting position between the cooperative vibration rod and the vibration reduction inner pipe is guaranteed through the sealing sliding seat, and vibration stress is further absorbed.

The present invention discloses an adjusting device and method for prestressing at the end of a horizontal internal support in a deep foundation pit, which includes a sleeve, an inner core rod, a force transmission steel plate, a jack and a steel wedge; the axis of the sleeve is parallel to the axis of the steel support and one end of the sleeve is bolted to the end of the steel support; a sliding cavity is defined inside the sleeve; the inner core rod is slidably connected in the sliding cavity and one end of the inner core rod extends out of the end of the sleeve away from the steel support; a limiting groove is formed on the top surface of the inner core rod; the plate surface of the force transmission steel plate is perpendicularly fixed to the extending end of the inner core rod; the cylinder body and the piston rod of the jack can respectively abut against the opposite end surfaces of the force transmission steel plate and the sleeve to apply stress and make the inner core rod slide; the steel wedge is inserted into the limiting groove after the stress application is completed to limit the sliding of the inner core rod. The present invention solves the problems that the existing adjustment method for the internal support in a deep foundation pit is inefficient, has poor accuracy, and will damage the integrity of the support structure, and it is difficult to ensure the uniform transmission and long-term effective maintenance of the prestress.

The utility model relates to retaining wall composite foundation technical field, propose a kind of oblique water conservancy retaining wall composite foundation structure, the design includes ground pile assembly, ground pile assembly includes the reinforced concrete pile of being inserted into foundation place obliquely near retaining wall side;Lower top subassembly is inserted into and can slide down along the inside of reinforced concrete pile in reinforced concrete pile is set;Pusher seat is arranged in the bottom of the inside of reinforced concrete pile and can be inserted extruded outward with the lower top subassembly, and it is in annular;Each pusher seat is slidably connected in the bottom of the inside of reinforced concrete pile and is penetrated slot;Tensioning component is arranged in the outside of reinforced concrete pile and can be inserted with the lower top subassembly and be tensioned fixed with retaining wall;The design solves the problem that ground expansion mode is single and pile body and retaining wall connection are weak in prior art by adjustable radial expansion structure and dynamic tensioning system.