36results about How to "Rigid enough" patented technology

The utility model discloses an offshore triangular flow blocking net cage which comprises a first buoyancy pipe, a second buoyancy pipe and a third buoyancy pipe, the first buoyancy pipe, the second buoyancy pipe and the third buoyancy pipe are connected end to end to form a triangular structure, and a reinforcing pipe is arranged in an area defined by the first buoyancy pipe, the second buoyancy pipe and the third buoyancy pipe. The first buoyancy pipe, the second buoyancy pipe and the third buoyancy pipe are connected through reinforcing pipes. The triangular structure formed by combining the first buoyancy pipe, the second buoyancy pipe and the third buoyancy pipe has good stability, the structural strength and the anti-flow stability of the net cage are improved, the vertex angle of the triangle formed by connecting the first buoyancy pipe and the second buoyancy pipe is arranged towards the seawater flowing direction, and seawater flow division is effectively achieved; meanwhile, the first buoyancy pipe and the second buoyancy pipe are obliquely arranged, so that the water flow diffuses towards the two sides and flows backwards along the first buoyancy pipe and the second buoyancy pipe, and the pressure of the incident flow surface of the net cage is effectively reduced.

The application discloses a kind of open roof rail vehicle body structure, including side wall, underframe, upper floor and staircase, the two sides of upper floor are connected with side wall, the lower end of staircase is connected to underframe, the upper end of staircase is connected to upper floor;Side wall, staircase and upper floor are all used profile structure, upper floor, staircase all include upper panel, lower panel and rib plate, rib plate is connected with upper panel, lower panel simultaneously, the lower panel of upper floor is welded and connected with side wall, the upper panel of upper floor is welded and connected with side wall by first connecting plate;Horizontal direction is extended on side wall and welded and fixed with backing plate, backing plate is used to support the lower panel of staircase.The application effectively solves the welding problem of staircase and underframe, side wall, and staircase is welded simply, and the stiffness and strength are sufficient, and is not easy to deform;Meanwhile, the application also avoids staff to side wall and upper floor in the lower of upper floor and upward welding, is favorable to guarantee the welding quality.

The utility model relates to the technical field of lifting operation safety auxiliary devices. The electricity approaching alarm device for the self-propelled hoisting machinery comprises a signal transmitter and a signal receiving audible and visual alarm, the signal transmitter comprises a signal transmitter main body and a transmitter mounting frame; the emitter mounting frame comprises a roller, a roller rotating shaft, a clamping screw rod, a clamping nut and two clamping plates; the signal transmitter main body is arranged in the roller, and the roller is rotationally connected with the roller rotating shaft; the two clamping plates are arranged at the two ends of the roller rotating shaft; at least one clamping plate is in sliding fit with the roller rotating shaft; a clamping screw rod is arranged between the two clamping plates in a penetrating manner; the clamping nut is in threaded fit with the clamping screw rod; a clamping opening is formed between the end parts of one sides of the two clamping plates; the two clamping plates can be driven to be clamped on the two sides of the movable pulley support by tightening the clamping nuts. The device overcomes the defect that when an existing device is installed on a lifting hook assembly, normal operation of hoisting machinery is easily hindered.

The application discloses an aluminum alloy liquid cooling plate friction stir welding clamp and method, the clamp comprises a first base, a second base, a support beam, a first clamping plate, a second clamping plate and a stopper. The first clamping plate and the second clamping plate clamp the leaf cooling plate and ensure the vertical state, and the addition of the stopper expands the support surface, avoiding the problem that the protruding part of the stirring shaft shoulder cannot be supported and welded. The clamp has good rigidity and can meet the downward pressure load requirement of the friction stir welding, and the vertical welding mode meets the fusion depth and appearance requirements of the liquid cooling plate, and a high-quality liquid cooling plate is prepared.

The utility model relates to display equipment technical field especially LED packaging structure and display device, LED packaging structure includes wiring layer, with the LED chip of wiring layer electricity connection, the filling layer that sets up around LED chip, set up in the sapphire layer that LED chip far away from wiring layer one side and LED chip are pasted, LED packaging structure still includes the fluorescent layer that sets up around filling layer and sapphire layer, fluorescent layer sets up around filling layer and sapphire layer, realizes spectrum conversion, when the blue light that LED chip emits irradiates on fluorescent layer, fluorescent layer absorbs part blue light and emits other color light, and the white light that mixes with blue light is obtained to realize MIP white light product, make the light that emits from LED packaging structure more uniform, improve illumination quality and visual comfort.

In some embodiments, a robotic arm and a robotic system including the robotic arm are provided. In some embodiments, the robotic arm includes a base unit and a drive unit, wherein the base unit includes a base motor and a base, and the drive unit includes a quadrilateral linkage, a first drive motor, and a second drive motor. Other exemplary embodiments are described herein. In some embodiments, the robotic arm achieves both rotational and linear motion while minimizing its physical footprint for easier storage and transport.

This utility model relates to the technical field of Peak rackets, disclosing a lightweight and shock-absorbing Peak racket, including an inner core plate made of EPP foam. The inner core plate has an upward-facing upper surface and a downward-facing lower surface, and the upper and lower surfaces of the inner core plate are respectively covered with a middle fabric layer made of fiberglass cloth. The inner surface of the middle fabric layer is fused and bonded to the inner core plate by hot pressing. The outer surface of the middle fabric layer is covered with a shell layer made of carbon fiber composite material, and the shell layer is fused and bonded to the middle fabric layer by hot pressing. The inner core plate has multiple central through holes and multiple peripheral through holes, which penetrate the inner core plate vertically. The size of the peripheral through holes is larger than that of the central through holes. In this way, when the ball hits the racket face, the elastic deformation of the inner core plate made of EPP foam can quickly dissipate the shock energy, greatly reducing the vibration transmitted to the arm and reducing muscle fatigue.

This invention discloses a positioning stent for convenient fixation and safe removal within human blood vessels, relating to the field of surgical medical device technology. The positioning stent comprises: a metal wire stent with multiple pointed positioning spikes, each spike including an inner metal wire and a covering layer; the inner metal wire is connected to the metal wire of the metal wire stent, the diameter of the inner metal wire being smaller than the diameter of the metal wire of the metal wire stent; the covering layer is conical and made of a biodegradable material; the tips of the inner metal wires and the tips of the covering layer are spaced a predetermined distance apart, and the middle portion of the inner metal wire forms a spiral portion; after the covering layer degrades, the spiral portion changes from a compressed state to an extended state, allowing the inner metal wire to pierce the blood vessel wall, with a predetermined gap between the blood vessel wall surface and the surface of the metal wire stent. This invention achieves reliable stent fixation and safe removal.

An apparatus (100) for refrigeration and / or deep-freezing, comprising a housing (18) and a refrigeration system (19), the refrigeration system (19) comprising a compressor (1) with substantially horizontally acting pistons and at least two mounting legs (2), a vibration damper (4) being arranged between the respective mounting leg (2) of the compressor and a base (3), the vibration damper (4) comprising: an elastic member (5) configured as a flat tubular member (7) and having a bottom side (8), a top side (9) and lateral sides (11, 12) extending parallel to a longitudinal axis of the tubular elastic member (5) and connecting the bottom side (8) and the top side (9); a mounting part (6) being arranged centrally on the top side (9) of the elastic member and being a material-locked integral member therewith, wherein, during operation of the apparatus (100), the longitudinal axis of the flat tubular element (7) is perpendicular to the horizontal direction of the operating pistons of the compressor (1).

The utility model discloses a quick detachable large -caliber titanium plate head, including main pipeline and the head end cover of sealing connection in the end part of main pipeline, and the head quick detach mechanism for fastening head end cover is equipped with in main pipeline outside, head quick detach mechanism includes the head fastening support axle of setting along the direction of parallel to main pipeline axis, and the fastening connecting rod is connected with through first fixed hinge in head fastening support axle end part, and fastening connecting rod side has the joint cooperation groove, the quick detachable support ring of coaxial arrangement with main pipeline is fixed with in head end cover outside, and the joint connecting ring of coaxial arrangement with it is fixed with in quick detachable support ring outside, and the joint cooperation groove is in joint cooperation in joint connecting ring, the utility model discloses the structure design of quick detachable, can when needing to overhaul, maintain or replace part to equipment inside, quick detachable head, save time and manpower cost, improve work efficiency.

The utility model relates to bridge construction equipment technical field, concretely is a kind of bridge edge protection movable steel stand device, including finished steel sheet, the bottom end side welding of adjacent finished steel sheet net is fixed with base connecting rod square steel between through stand square steel connection fixed, the bottom of base connecting rod square steel is equipped with U-shaped clamp, the top of base connecting rod square steel is equipped with movable screw rod, U-shaped clamp is fixed with beam body wing board clamping, and through the bottom end compaction positioning of movable screw rod.The bridge edge protection movable steel stand device in this, by using U-shaped clamp and beam body wing board clamping fixed, and through the compaction positioning of movable screw rod mode, avoid the damage of welding or bolted to beam body embedded steel, effectively protect the overall structural strength and stability of beam body.The device overall design is movable, by loosening movable screw rod, movable stand device can be easily disassembled and moved, greatly facilitate subsequent construction and maintenance.

This application relates to a support base for a bridge erection mechanism, belonging to the field of bridge erection technology and equipment. It includes a frame assembly with a support assembly mounted on it, the support assembly being vertically arranged. Connecting components are provided at both ends of the frame assembly, and the connecting components are fixedly connected to the frame assembly. This application has the advantages of reducing rocker arm deformation during operation, completing the erection of combined bridges, ensuring stable and reliable operation, and guaranteeing the driver's visibility during operation.

The utility model relates to pile machine technical field discloses an integrated static pile press, including chassis, the vertical main arm of setting on the chassis top and the power head of setting on the main arm can move up and down along the main arm, the power head bottom is connected with several drill rods in proper order, the main arm is equipped with the hollow vertical work space, the main arm is fixedly connected with at least one vertical track in the work space, when drilling, the power head drives the drill rod at the same time, moves up and down along the track in the work space. The main arm cross section area of truss structure is increased, so the weight is reduced while guaranteeing that it has enough rigidity. This main arm structure need not set the bracing bar and can guarantee that the main arm keeps vertical and the stability of the main arm when working.

The invention discloses a heat shield riveting fixing structure and a mounting method thereof, the structure comprises a rivet, a heat shield, a gasket and an adjusting sheet, the heat shield is arranged on one side of the adjusting sheet, the gasket is arranged between the heat shield and the adjusting sheet, and the rivet sequentially penetrates through the heat shield and the gasket and then is connected with the adjusting sheet. By means of the structure, the riveting reliability of the rivet can be improved, it is guaranteed that certain high-temperature deformation is released in a reserved gap of the fixing portion of the heat shield, and the situation that local high-temperature gas leaks into a spray pipe adjusting piece and a heat shield interlayer due to large-area stress concentration, large deformation and crack chipping of the heat shield is avoided; the completeness of a cooling flow path at the adjustable nozzle adjusting sheet part is kept, and the use reliability of the adjustable nozzle adjusting sheet of the engine is ensured.

This invention discloses a single-crystal end mill for processing light guide plates, comprising a shank and a cutting section disposed at one end of the shank. The cutting section includes a core and two inserts. The core is coaxially connected to the shank and is a quadrangular prism with a parallelogram cross-section. The angle between the short and long sides of the parallelogram is 70 degrees. The two inserts are respectively embedded on the outer surface of one side of the short side of the core. The cutting edges of the two inserts are parallel to the central axis. One end of the insert is flush with one long side of the core, and the other end protrudes beyond the other long side of the core. The rake angle of the insert is 35 degrees. The insert has a first clearance angle, a second clearance angle, and a third clearance angle sequentially arranged from the cutting edge inwards. The first clearance angle is 1 to 1.4 degrees, the second clearance angle is 28 degrees, and the third clearance angle is 32 degrees. The insert is made of single-crystal diamond. This invention has the advantages of reasonable and reliable structure, long service life, high processing efficiency, low product scrap rate, and ensuring smooth processing of light guide plates.

This invention discloses a single-component cantilever beam strain gauge for friction measurement, relating to the field of wind tunnel testing technology. It includes: a model end with a mounting platform that mates with the measurement surface; a single-component torque measuring element connected to the model end via a torque transmission element; and a fixed end at the end of the single-component torque measuring element for connection to a protective cover of the balance. A floating end for torque transmission transition is also provided between the torque transmission element and the single-component torque measuring element. The single-component torque measuring element is spatially located below the floating end, resulting in an eccentric spatial arrangement between the single-component torque measuring element and the measurement surface. This invention innovatively uses a cantilever beam structure in the friction measurement direction, resulting in an eccentric spatial arrangement between the measuring element and the measurement surface, enhancing the balance's measurement sensitivity. Furthermore, the overall structure is simple and easy to manufacture, thus offering the advantage of controllable cost.

The invention discloses a visible tube core, detection equipment and a using method, and relates to the technical field of medical instruments or industrial detection equipment, the visible tube core comprises a tube body, a camera assembly, a data transmission line and a handle, the tube body comprises a flexible supporting layer and a thrust transmission layer which are coaxially arranged in a sleeving mode and matched with each other, the flexible supporting layer is a spiral structure body made of a metal material, and the thrust transmission layer is a spiral structure body made of a metal material; the flexible supporting layer is a metal pipe to provide radial supporting and disperse stress when the pipe body is bent, the thrust transfer layer is a metal pipe and is used for providing axial pushing force, and the flexible supporting layer and the thrust transfer layer cooperate to maintain the section shape of the pipe body when bent; the camera assembly is arranged at the front end of the tube body; the data transmission line is arranged in the tube body in a penetrating manner, and one end of the data transmission line is electrically connected with the camera assembly; according to the invention, the structure is simple, the use is convenient, the pushing force is effectively improved, the capability of keeping a stable shape in the bending process is effectively ensured, and the durability is effectively improved.

The utility model discloses a bridge pier column reinforcing structure, and belongs to the technical field of bridge reinforcing. The steel casing is arranged on the outer side of the bridge pier, so that the pouring cavity is formed between the steel casing and the bridge pier, and pouring is convenient; pouring is conducted in a pressurized pouring mode, and the phenomenon of pouring hollowing of the poured pier is avoided; connecting structures are arranged at the two ends of the steel casing, so that the steel plate is prevented from slipping in the pouring process; by arranging the stiffening ribs, the radial compressive strength of the steel casing in the pouring process is guaranteed; by implanting the steel bars, it is ensured that the steel pile casing and the original structure form a jointly-stressed whole, and the overall performance of the reinforced structure is improved; due to the arrangement of the steel casing and the stiffening ribs, enough strength and rigidity are provided, and the construction requirement of pressure grouting is met; the steel protection cylinder is formed by splicing the semicircular shells, the splicing positions are connected in a welding mode, the steel protection sections are spliced in the length direction, splicing is conducted in a mortise and tenon joint mode, and the construction efficiency is improved.

This invention discloses a locally resonant phonon crystal unit cell, a vibration reduction structure, and an installation method, belonging to the field of track vibration reduction technology. The locally resonant phonon crystal unit cell includes a silicone rubber matrix as the outer ring, with a steel scatterer disposed within the cavity of the silicone rubber matrix. The steel scatterer and the silicone rubber matrix are connected and fixed by a soft material encapsulation layer. Four spring-mass subsystems are nested within the steel scatterer. The inner cavity sidewalls of the silicone rubber matrix are also encapsulated with a soft material. Using the locally resonant phonon crystal unit cell, vibration reduction structure, and installation method described in this invention can solve the problem of poor vibration reduction effect of existing vibration reduction measures for low-frequency vibrations.

The utility model discloses a stable and rapid garment pocket processing mechanism which comprises a rack, a portal frame is arranged on the rack, a material folding device, a material fixing device and a plurality of X-axis sliding rail assemblies are arranged on the portal frame, and the portal frame is connected with a mounting base through the X-axis sliding rail assemblies. The portal frame is further provided with an X-axis driving device, the X-axis driving device drives the mounting base to move left and right in the X-axis direction, and the material folding device and the material fixing device are connected with the mounting base. The portal frame is matched with the driving structure, so that the material fixing mechanism and the material folding mechanism can stably move left and right in the X-axis direction, a servo lead screw driving mode is adopted, the characteristics of high precision and high stability are achieved, the material fixing mechanism and the material folding mechanism can be accurately controlled to move left and right in the X-axis direction, stable guiding is provided, and the working efficiency is improved. And shaking and deviation in the moving process are reduced, and the positioning precision in the pocket machining process is guaranteed.

The utility model provides a kind of power collection line iron tower modularization grounding device, belong to electric power equipment technical field, the power collection line iron tower modularization grounding device includes: grounding body, connecting component, fixed module, conducting ring and adjusting mechanism;The grounding body is cylindrical structure, the top of grounding body is equipped with connecting face, connecting face is equipped with threaded hole, bolt is threadedly connected in threaded hole;The connecting component includes connecting plate, connecting rod and locking sleeve, connecting plate is fixedly arranged on the connecting face of grounding body, the middle part of connecting plate is equipped with through-hole, connecting rod is arranged in through-hole, the upper end of connecting rod is threadedly connected with locking sleeve;The fixed module includes fixed seat and clamping piece, the utility model can solve the technical problems that the existing power collection line iron tower grounding device structure is complex, installation and maintenance are difficult, modularization degree is low, and adaptability is poor.

The present application belongs to the technical field of building shock absorption, and particularly relates to a novel energy dissipation coupling beam structure and a vibration big data collection method. The novel energy dissipation coupling beam structure comprises a first stiffened steel plate assembly, a second stiffened steel plate assembly, a first coupling beam, a second coupling beam and a vibration detection module. The first stiffened steel plate assembly and the second stiffened steel plate assembly are arranged in two shear walls respectively. One end of the first coupling beam and the second coupling beam is connected with the first stiffened steel plate assembly, and the opposite end is connected with the second stiffened steel plate assembly. The middle part of the second coupling beam is provided with an induced joint. The present application can consume the energy of building vibration while maintaining the good integrity of the building structure, and can conveniently collect vibration big data.

The utility model relates to the technical field of waveguides, and particularly discloses a full-automatic ultrasonic deburring and post-processing integrated device for a waveguide antenna. Comprising a box body, an ultrasonic assembly and a treatment chamber, wherein the ultrasonic assembly and the treatment chamber are arranged in the box body, and the top of the treatment chamber is open; a treatment frame capable of ascending and descending in the treatment chamber through a lifting mechanism is arranged on the box body; a plurality of mounting racks for mounting the waveguide antennas are arranged on the processing rack; and the waveguide antenna is fed into the processing chamber through the lifting mechanism, and the ultrasonic assembly is started, so that the waveguide antenna in the processing chamber is subjected to deburring operation through the processing liquid in the processing chamber. According to the utility model, the mounting rack which can be replaced or adjusted can be adapted to waveguide antennas of different specifications, so that the problem of poor adaptability caused by equipment limitation is avoided, and the universality is improved.

This invention discloses a shape control structure for thin-walled cavity parts made of titanium alloy based on laser additive manufacturing, its design method, and its application. The design scheme includes the following steps: modeling the shape control structure of the cavity part in 3D modeling software for additive manufacturing; then constructing a solid volume block with an inner wall adapted to the shape control structure within the cavity part shape control structure; further dividing the solid volume block into multiple discontinuous thin blocks of the same thickness and spacing; and importing the thin blocks and the cavity part shape control structure into 3D printing software. The structure constructed through this design method can more easily realize the generation of multi-scenario supports, break through the constraints of support structures, and can also exist as a shape control structure in the manufactured parts. Furthermore, while meeting the requirements for controlling the deformation of the parts, it also makes the supports easy to remove, effectively improving the manufacturing quality and production efficiency of the parts.

The application discloses a kind of self-supporting large-span antenna panel mechanism, belong to antenna field, it includes reflecting surface component, space layout unit and adjusting mechanism;Multiple reflecting surface components are fixed on space layout unit by adjusting mechanism.The application patent is fixed by space layout unit and several adjusting mechanisms, the height of adjusting mechanism is adjusted to meet the requirement of large-span reflecting surface, several reflecting surface components are connected with adjusting mechanism, and an antenna panel mechanism is formed.The application patent provides a kind of self-supporting large-span antenna panel mechanism suitable for large area, which is simple in structure, easy to install, light in weight and good in rigidity, can be divided into parts, transportation cost is greatly reduced, reliability is high, and is very suitable for super large area antenna or flat panel antenna.

The utility model relates to fire fighting equipment detection technical field discloses a kind of fire door anti-spraying water impact tester, including fire hose, the inside left side of fire hose is fixedly connected with round, the inside fixedly connected with cylinder in round, the outside sliding connection of cylinder has slip ring, the outside right side of slip ring is fixedly connected with spring a.In the utility model, first, slip ring is pushed back under the action of water flow pressure and is slid on cylinder to round inside, let water flow pass smoothly, when water flow appears backflow trend, slip ring will be quickly reset under the action of spring a elasticity, form tight seal, to block reverse water flow, simultaneously, when rotating handle on top layer moves down, water flow resistance increases by thread transmission to drive pressing plate to move down, inside flow cross-sectional area reduces at this time, water flow resistance increases;Conversely, the extrusion force of water decreases, water pressure reduces, it is convenient to adjust and change hose pass diameter, promote the progress of experiment.

The application discloses a steel pipe concrete shearing connecting piece with a constraint structure, which comprises a steel pipe concrete component for connecting a steel structure and a reinforced concrete structure and a tensile constraint structure thereof, the steel pipe concrete component comprises a steel pipe welded at one end with the steel structure, a high-strength and high-performance concrete filling layer poured in the steel pipe, and a steel cap embedded in the reinforced concrete structure and fixedly connected with the other end of the steel pipe, the constraint structure comprises a high-strength and high-performance concrete ring arranged on the outer periphery of the steel pipe, a tensile unit arranged on the outer periphery of the high-strength and high-performance concrete ring, and spiral reinforcement arranged around the tensile unit and the outer side of the steel pipe. The application can greatly improve the shearing strength and rigidity of the shearing connecting piece, ensure that the welding position is not a shearing weak position of the steel-concrete composite structure, effectively inhibit the splitting of the reinforced concrete and development thereof, and make the bearing capacity of each structure fully play; the shearing connecting piece has excellent structural toughness and can coordinate the deformation difference between the steel-concrete composite structures.

The utility model relates to a kind of wind turbine blade cover plate safety fixing device, including fixed plate and bolt welded and fixed on fixed plate, the fixed plate is located in fan blade, the bolt is sequentially threaded through the manhole around the end of fan blade and the bolt hole corresponding one-to-one on blade cover plate after being fixed by nut, the utility model sequentially threads the bolt in fan blade through the manhole around the end of fan blade and the bolt hole corresponding one-to-one on blade cover plate after being fixed by nut on fixed plate, so that the manhole around the end of fan blade does not need to be embedded bolt also can realize the safety fixation between blade cover plate, can effectively solve the safety fixation problem of blade cover plate after embedded bolt relaxation or drop.

The application provides a kind of super thin head cover class part turning frock and processing method, including the frock body for being fixedly connected to the opening end of super thin head cover class part;The frock body includes the first circular boss for cooperating with the opening inner wall of super thin head cover class part, multiple radial threaded holes are uniformly processed in the radial direction of first circular boss, radial threaded hole is matched with the through hole on super thin head cover class part by bolt, the large end of first circular boss is provided with second circular boss, and the large end of second circular boss is provided with third circular boss;First positioning end face is formed between the first circular boss and second circular boss, and second positioning end face is formed between the second circular boss and third circular boss.It can be used for super thin head cover class part turning processing, ensure processing precision and surface quality, solve the technical problems of super thin part clamping and "machining tremor".

This invention discloses an acrylic formwork construction device for box culvert concrete, belonging to the field of box culvert construction technology. It includes an acrylic sheet for box culvert concrete, a steel formwork set under the acrylic sheet, and a vertical plate set under the steel formwork. A transverse telescopic support frame is formed by a series of parallel first connecting rods and parallel second connecting rods connected in a crisscross pattern. A guide rod is hinged to the lower end of the first connecting rod near the vertical plate, and the guide rod is slidably positioned within a vertical groove on the vertical plate. The upper end of the first connecting rod is hinged to the upper end of another set of second connecting rods. The upper end of the second connecting rod near the vertical plate is hinged to the vertical plate, and the lower end of the second connecting rod is hinged to the lower end of another set of first connecting rods. The middle of the same set of first and second connecting rods is hinged. The upper ends of both the first and second connecting rods are simultaneously hinged to a sliding column. This invention's device is convenient for construction and can improve the appearance quality of box culvert concrete.