115 results about "Rigid frame" patented technology

The present application relates to the technical fields of bridge engineering, and discloses a rigid frame bridge main girder closure gap top force applying device and closure construction method, which comprises a supporting assembly, a top locking assembly, and a main girder closure construction method based on corresponding facilities. The present application has the following advantages and effects: the supporting assembly is arranged between the top plate and the bottom plate, the supporting beam of the supporting assembly is supported on the concrete of the top plate and the bottom plate, the supporting beam evenly spreads the huge locking force to the top plate and the bottom plate of the main girder through the contact surface with the concrete of the top plate and the bottom plate, and compared with the direct support on the top plate and the bottom plate and the web of the main girder, or the support on the corbels and the embedded parts, or the force transmission mode through the cast concrete tooth blocks, the present application has the advantages of light structure, clear stress, strong bearing capacity, simple operation, no influence on the closure gap concrete pouring, no tensile stress cracks on the main girder, and low cost.

This invention relates to the field of landscape bridge technology, and discloses a V-shaped pier-truss cable-stayed composite bridge structure and its construction method. The V-shaped pier-truss cable-stayed composite bridge structure includes piers, main beams, bridge towers, and cables. The piers include V-shaped main piers. The load of the main beam is transferred to the truss structure via the cables through the cable-stayed towers. The truss structure then transfers the force to the V-shaped main piers. The V-shaped piers provide support and constraint to the main beams through their rigid frame action. Thus, through the interconnection and support between the rigid frame structure, truss structure, and cable-stayed structure, the overall stiffness of the combined bridge structure is greater than the sum of the stiffnesses of the individual structures. This optimizes the stress on the cable-stayed towers and the overall bridge structure, allowing the V-shaped pier-truss cable-stayed composite bridge structure to reduce the tower height compared to existing cable-stayed bridges for the same span, thereby meeting the building height requirements of urban planning or enabling it to be suitable for larger bridge spans.

A fluid delivery attachment device for heavy equipment vehicles is disclosed. The device includes a water tank and nozzles mounted at opposite ends of a rigid frame. The frame is configured to attach to the undercarriage of a heavy equipment vehicle, such as an excavator. Because the nozzles are not mounted to the excavator's bucket arm or other tools, the operator can direct water to the work site using a controller located in the vehicle's cab, independent of the bucket or similar tool. The disclosed system eliminates the need for additional personnel in dust suppression, soil compaction, field firefighting, and other operations that typically utilize heavy engineering vehicles.

This application relates to the field of bridge construction technology and discloses an adjustable positioning clamp for transverse prestressed steel bars in a continuous rigid frame bridge, including a base, a sliding component, a lifting component, and a snap-fit ​​component. The sliding component is slidably mounted on the base. The lifting component is mounted on the sliding component and includes a first housing, which moves up and down along the direction from the base to the sliding component. The snap-fit ​​component includes a snap-fit ​​member with a connected snap-fit ​​portion and a rotating portion, the rotating portion being rotatably mounted on the first housing, and the snap-fit ​​portion having a snap-fit ​​groove. This application can adapt to the requirements of gradually changing heights and curved reinforcement layouts in variable cross-section box girders, eliminating the need for custom-made tooling for each span, improving material utilization, and reducing manufacturing costs.

This invention discloses a prefabricated V-shaped rigid frame bridge and its construction method. The prefabricated V-shaped rigid frame bridge includes: pier foundations, at least two V-legs, and a main girder. The V-legs are composed of multiple prefabricated segments stacked together, with the bottom fixed to the pier foundation via a post-cast section and the top having a cast-in-place section. The main girder includes a No. 0 segment beam and multiple symmetrically arranged prefabricated segments. The prefabricated segments of the main girder are constructed using the inverted beam method, i.e., the top slab, then the web, and finally the bottom slab are prefabricated in sequence. The cast-in-place section of the No. 0 segment beam is integrally cast with the top cast-in-place section of the V-legs. This invention achieves rapid and standardized prefabrication and assembly of variable cross-section beams and V-legs through prefabrication and inverted beam method templates, shortening the construction cycle, reducing the risks of high-altitude operations and traffic interference, improving quality and durability, and possessing economic and environmental advantages.

This utility model discloses a linkage-limiting contact network compensation pulley system, which includes a fixed pulley system, a movable pulley system, a compensation rope, and a wedge-shaped clamp. Its innovation lies in the symmetrical connection of two sets of foldable steel belt mechanisms between the pulley shafts of the fixed-side linkage wheel of the fixed pulley system and the movable-side linkage wheel of the movable pulley system. These mechanisms consist of long and short connecting plates hinged together by connecting plate rivets and connected into a rigid frame by a spacer bolt assembly. This achieves forced synchronous deflection between the fixed and movable pulley systems, effectively preventing the compensation rope from jumping out of its groove and from wearing. By setting backstop blocks on the fixed plates of the fixed and movable pulleys, which cooperate with the foldable steel belt mechanisms, mechanical hard limits are formed at the extension and folding limit positions, effectively preventing overtravel. Its high structural integration significantly improves the safety of the compensation system operation.

The aim is to provide a lightweight, inexpensive, and easy-to-install semi-underground unit that is unaffected by the live and dead loads of the upper floors of the building. [Solution] The semi-underground unit of the present invention consists of a factory-produced top cover plate, a residential unit or interior wall unit, a soil pressure reinforcement unit, and a retaining wall block body formed on-site. The top cover plate is provided with an entrance that connects to a stair cover unit connected to the underside of the building's floor. The residential unit or interior wall unit consists of a box-shaped lightweight steel frame formed of a structural seismic-resistant and reinforced structure such as a wall structure. The soil pressure reinforcement unit consists of a box-shaped lightweight steel frame formed of a structural seismic-resistant and reinforced structure such as a rigid frame structure and a wall structure that protrudes and opens to the ground surface. The retaining wall block body consists of a hollow box-shaped concrete wall whose upper surface protrudes and opens to the ground surface.

The utility model discloses a kind of reinforced concrete hinge structures of inclined leg rigid frame bridge, it is related to bridge engineering field, including foundation ground and rigid frame bridge inclined leg body, the inside of foundation ground is equipped with mounting groove, the mounting groove is equipped with sleeve box, and rigid frame bridge inclined leg body is sleeved in sleeve box, the lower end both sides of rigid frame bridge inclined leg body are fixedly connected with lug. By being respectively sleeved in two side lugs with two square sleeve blocks, then pad is placed into sleeve box interior, subsequently the fixation of opposite pad plate and buffer steel plate, sleeve box is sleeved in the lower end of rigid frame bridge inclined leg body, square sleeve block slides into the sliding slot of two sides at this time, and the lower end of rigid frame bridge inclined leg body is in abutment with pad, subsequently two sliding slots are inserted into limiting insert plate and fixed, can absorb the vibration energy conducted by rigid frame bridge inclined leg body 2, carry out flexible deformation buffering, improve structural seismic capacity, compared with rigid connection, the design of flexible contact can avoid concrete structure cracking due to constraint stress.

The present application relates to steel structure production and processing equipment technical field, disclose a kind of based on round steel misplacement arrangement's dead angle-free shot blasting tool, including base, column fixed on the upper surface of base and crossbeam fixed between adjacent two columns, crossbeam is used to support steel structure part plate, the upper surface of crossbeam is fixed with two columns of round steel, and two columns of round steel are mispositioned, round steel is equidistantly arranged along the length direction of crossbeam, round steel is vertically arranged vertically, the present application uses full-welded rigid frame, discards bolt, component such as slot, no movable part can improve stability, and overall impact resistance is stronger, only by vertical round steel fixed steel structure part plate, round steel misplacement arrangement, completely eliminate shot blasting dead angle, guarantee rust removal quality, adapt to multi-specification steel structure part plate, strong universality, without replacing tool, reduce production cost, improve steel shot utilization, fully the effect of shot steel is applied to steel structure part plate, also correspondingly reduce the wear of equipment.

The application relates to the technical field of valve taps, in particular to an angle-adjustable valve tap device which comprises a handle tap, a water guide pipe, a folding pipe, a positioning rod, a supporting sleeve and a locking assembly. The angle-adjustable valve tap device can prevent rebounding through the rigid engagement of the ratchet teeth and the sliding rod, and the ratchet pawl is tightly attached to the ratchet under the action of the compression spring seat, so that the loosening is further inhibited. The limiting spring seat continuously applies pressure to the engaged sliding rod, so that the sliding rod is tightly attached to the ratchet teeth; the stretching spring seat and the fine grinding block assist the limiting ratchet pawl in keeping the position through friction; in addition, the positioning rod is fixed on both sides of the tap and forms a rigid frame with the sliding supporting sleeve, so that the water pressure impact force borne by the folding pipe is dispersed, the shaking is reduced, the water inlet steel plate is connected with the supporting sleeve, the bracket is fixed to the inner-groove fixed shell, an additional supporting point is formed, the overall structure is further reinforced, and local deformation caused by water pressure is prevented.

The utility model relates to precast beam technical field, concretely relates to a precast beam hoisting equipment, the device adopts two -way screw rod drive clamping mechanism, through motor drives two -way screw rod rotation, makes the ball nut push -button movable block linear motion, realizes the synchronous centering of clamp plate, and the stable precision of guiding rod ensures the movement process, and the bump of damper effective buffering clamping of protruding piece cooperation avoids the problem that the precast beam deviates or slips because of the uneven stress of traditional hoisting equipment, and the safety and reliability of hoisting operation are greatly promoted, and the overall structure is combined to form the rigid frame through the support and beam plate, and the strength of connecting part is reinforced by the reinforcing part, and the cooperation design of the lifting plate and the rope makes the hoisting stress evenly dispersed, and the fixed base ensures the firm and reliable connecting point, and this modular design not only is convenient for on -the -spot quick assembly dismounting, but also can adapt to the hoisting demand of different specifications precast beam, and the versatility and construction efficiency of equipment are remarkably improved.

This utility model discloses a fiber-reinforced composite concrete protective and airtight cover for underground utility tunnels, relating to the technical field of underground utility tunnel cover plates. It includes a cover plate support with a groove on its upper surface. A concrete cover plate body is placed inside the groove. The concrete cover plate body includes a protective frame, multiple transverse support ribs, multiple longitudinal support ribs, a heat insulation layer, a composite concrete layer, and an electromagnetic shielding layer. Each transverse support rib is horizontally fixedly connected to the inside of the protective frame, and each longitudinal support rib is vertically fixedly connected to the inside of the protective frame. This utility model uses high-strength steel for the protective frame, combined with a crisscrossing steel reinforcement skeleton (transverse and longitudinal support ribs), and then welds it to form a rigid frame. This effectively disperses the load generated by vehicle traffic or pedestrian trampling, preventing stress concentration that could lead to concrete cracking.

The application discloses a high-precision hydraulic driving robot joint module and belongs to the technical field of rotary driving execution mechanisms. The application solves the problems of loose structure, high manufacturing cost, low precision and lack of dustproof lubrication of the existing hydraulic rotary joint. The joint module comprises an output shaft, a first flange, a second flange, two connecting shafts and two groups of symmetrically arranged hydraulic oil cylinders; the connecting shafts rigidly connect the two flanges to form a rigid frame, and the output shaft is supported at both ends by bearings on the two flanges; each group of oil cylinders comprises a fixed piston rod and a movable cylinder barrel, the piston rod is fixed at both ends on the two flanges, two independent axial oil holes are arranged in the piston rod and are connected with two working cavities of the oil cylinder and hydraulic oil ports on the two flanges, respectively; a pin shaft is arranged on the cylinder barrel, a double-head spiral groove is arranged on the outer periphery of the output shaft, and the pin shaft is in sliding fit with the spiral groove; the joint module further comprises a magnetic grid encoder and a dustproof cover, the dustproof cover forms a closed inner cavity with the two flanges and is filled with lubricating grease to realize dry oil lubrication.

This disclosure discloses an isolation device for insolating aerosol exposure, which may be used as an isolation device for a test with a biological aerosol exposure infection risk. The isolation device for insolating aerosol exposure of the present disclosure includes a cabin body; protective half suit arranged in the cabin body; a working table arranged at an accessible horizontal position of the protective half suit in the cabin body; and an air inlet device and an air exhaust device arranged on a side wall of the cabin body. By using the support structure of the cabin body and the rigid frame, flexible assembling and disassembling of the isolation device and easiness in transportation are realized; and based on design mechanisms of negative pressure control, airtight isolation and high-level personnel protection, physical isolation of high-risk operations is realized, operation personnel is effectively protected, and environmental pollution is prevented.

This utility model relates to the field of machine tool feet, and discloses an embedded machine tool foot structure, including a foot body, two nuts threaded onto the foot body, and two washers disposed between opposite sides of the two nuts; a positioning mechanism is provided on the lower side of the foot body; the positioning mechanism includes a pre-embedded base disposed on the lower side of the foot body, two reinforcing plates fixed on the left and right sides of the pre-embedded base, an assembly groove formed at the center of the upper surface of the pre-embedded base, and a connecting piece for fixing the foot body and the pre-embedded base. This utility model, through the rigid connection between the pre-embedded base and the ground, can withstand greater loads; the four reinforcing plates form a rigid frame with the pre-embedded base, further improving the stability of the pre-embedded base; and fixing the pre-embedded base to the foot body through the connecting piece prevents horizontal displacement of the foot during machine tool operation, thereby avoiding affecting the machining accuracy of the machine tool.

The utility model discloses a substrate cultivation board for rice seedling raising, including seedling raising tray and a plurality of seedling raising hole, seedling raising tray is equipped with frame, the upper surface four corners of this frame are equipped with the positioning slot, and the lower surface four corners of frame are all installed support foot, when the vertical stacking of adjacent frame, the support foot of upper layer frame corresponds and inserts the positioning slot of lower layer frame, the lower end of seedling raising hole is closely equipped with the screen, and the screen is equipped with the water storage tank, the upper end four corners of water storage tank are equipped with the connecting piece, and the card block is all penetrated in each connecting piece, and the top of card block is fixed with seedling raising tray, the step surface four corners of frame all are equipped with the card slot of the carding of card block's matching, the utility model discloses setting up rigid frame outside seedling raising tray, effectively strengthens the strength of the whole substrate cultivation board frame, makes it not easy to deform, and through the plug -in connection of adjacent substrate cultivation board's support foot and positioning slot, the vertical stacking transportation of substrate cultivation board is convenient, and it is more convenient to use.

This utility model relates to the field of charging pile plug technology, and discloses a charging pile plug drop protection structure, including a plug body, a handle installed on the surface of the plug body, a transmission line installed on the surface of the plug body, a connector installed on the surface of the plug body, and a protective structure provided on the surface of the plug body. The protective structure includes a rectangular box, which is fixedly connected to the surface of the plug body. An adjusting rod is inserted into the inner wall of the rectangular box, and a pin slides through the surface of the rectangular box. A spring A is sleeved on the arc surface of the pin. By setting the protective structure, the plug of this charging pile achieves the following effect: when the plug falls, the rigid frame contacts the ground first to disperse the impact force, and the airbag A absorbs energy through elastic deformation, reducing the impact on the plug body. This effectively reduces problems such as shell cracks and internal component damage caused by the plug body falling, improving the safety and durability of the charging pile plug.

A sticky trap insect monitoring system (300, figure 3a) comprising: a plurality of sticky trap sheets, wherein each sticky trap sheet is mounted in a respective rigid frame 305-309, a cartridge 320 lo

This invention discloses a rubber product tensile performance testing device, relating to the field of rubber tensile testing technology. It includes a base, a rigid frame fixed to the base, a lower clamp disposed at the lower part of the frame, an upper clamp disposed at the upper part of the frame, and a drive mechanism for driving the upper clamp to rise and fall. The drive mechanism includes a movable seat slidably connected to the frame via a linear guide rail, a fixed wedge mounted on the movable seat, a horizontally movable movable wedge, and a drive assembly for driving the movable wedge to move horizontally. The movable wedge and the fixed wedge are engaged by inclined surfaces. This rubber product tensile performance testing device, by employing a composite structure of wedge drive and switchable unidirectional rollers, combined with a floating roller return resistance reduction design, ensures long-term stable locking of the tensile position and high testing accuracy while reducing motion resistance, system energy consumption, and wear of key components.

The utility model relates to a curtain wall suspension structure belongs to curtain wall installation technical field. The upper end of wall fixed part is bent and forms lower layer horizontal supporting plate, and lower layer horizontal supporting plate is connected with curtain wall suspension supporting plate through damping seat, curtain wall suspension supporting plate, wall fixed part and lower layer horizontal supporting plate are all aluminium alloy components, and the suspension part of curtain wall suspension supporting plate has upwards upper hook and downwards lower hook. The utility model has the advantages that: wall fixed part, lower layer horizontal supporting plate and curtain wall suspension supporting plate of aluminium alloy material form integral rigid frame, are anchored with wall body through expansion bolts, are suitable for high -rise building curtain wall installation, and the tensile and shearing capacity is improved obviously. Through the damping seat between the newly added lower layer horizontal supporting plate and curtain wall suspension supporting plate, the low stiffness and high flexibility of rubber make it can block the transmission path of vibration, increase the connection stability and the damping effect between curtain wall suspension supporting plate and lower layer horizontal supporting plate, prolong the service life of building.

This application discloses a protective device for bridge railing construction. At least two bases are fixedly connected to the installation surface of the railing body and are spaced apart along the laying direction of the railing body. Multiple limiting sleeves are vertically mounted on corresponding bases. One end of multiple posts extends into the interior of the corresponding limiting sleeve and abuts against the top surface of the base, while the other end extends vertically, moving towards or away from the base along the axial length of the limiting sleeve. Both ends of a telescopic rod are fixedly connected to the ends of adjacent posts away from the base. The first end of a rope is slidably disposed around the periphery of the telescopic rod, and its tail end moves towards the side where the railing body is located. In this application, the bases and limiting sleeves are pre-fixed to the bridge deck, and the height of the posts can be adjusted after insertion to adapt to different construction needs. The telescopic rod connects the posts laterally to form a rigid frame, while the sliding rope provides flexible protection and dynamic buffering upon impact. The entire device achieves tool-free installation, precise adjustment, and stable protection, significantly reducing the risks of high-altitude construction.

The application discloses a kind of based on U-shaped beam's anti-wave rigid frame bridge structure, belong to bridge technical field, it includes by two web and bottom plate constitute U-shaped beam, by the web of U-shaped beam as the anti-wave baffle of bridge structure, further so that the design elevation of bridge can be lower than the flood control elevation of bridge, satisfy the anti-wave design demand of bridge under the condition that bridge elevation is limited.The application based on U-shaped beam's anti-wave rigid frame bridge structure, simple structure, setting is convenient, can satisfy the demand of bridge anti-wave design under the condition that bridge elevation is limited, ensure that flood level is controlled higher than the design elevation of bridge but not more than the top elevation of web, bridge can still be normal operation without interruption, guarantee the reliability of bridge operation;Because the building height of U-shaped beam is small, can effectively reduce bridge control elevation, reduce the engineering scale of both ends connection bridge, reduce the construction and maintenance cost of bridge, with good economic benefit and practical value.

An anti-crush box for orchard transport vehicles, belonging to the field of agricultural machinery equipment technology, includes a box bottom, with long plates on the front and rear sides of the box bottom, and wide plates on both sides of the box bottom. A top net is movably connected to the top of the long plates, and a limiting frame is fixedly connected to the bottom of the box bottom. Through the combination of rigid frame and flexible buffer, it adopts a foldable design. The long and wide connecting strips between the box bottom and the long and wide plates achieve hinge-like folding. When not in use, it can greatly reduce the volume for easy storage. When in use, it is positioned and unfolded to form a regular box body through the limiting frame. In terms of anti-crushing, the top net's disassembly frame fixes the box structure with clips to prevent inward shrinkage. Sodium polyacrylate gel inside the soft rubber mesh absorbs the impact of bumps, and the contact pads on the inner side of the wide plates reduce collision damage. It also has a stacking function. The rubber cap of the upper box body and the protrusion of the lower box body are precisely fitted to achieve stable stacking.

This invention relates to the field of ultrasonic nondestructive testing technology and provides a flexible constraint device for nonlinear ultrasonic testing probes and specimens. The device includes: a rigid frame; two sets of biaxial synchronous drive modules mounted on the rigid frame, the two sets of biaxial synchronous drive modules being centrally symmetrically arranged; a pair of mounting platforms, each driven by one set of the biaxial synchronous drive modules to achieve relative movement; a self-centering clamping seat mounted on the mounting platforms and positioned opposite each other for positioning and clamping the ultrasonic probe; and a specimen adjustment platform mounted on the rigid frame or one of the mounting platforms for supporting the specimen. The advantages of this invention are: it can effectively achieve probe centering, pressure adjustment, and adaptability to different specimen sizes.

This invention provides a frame component formed by roll forming, which enables the productive manufacture of highly rigid frame components having multiple closed cross-sections, and also allows for the suppression of springback using a simple method, thereby improving welding accuracy, as well as a method for manufacturing the same. [Solution] The process includes a cutting step S1 for cutting a metal plate, a forming step S2 for forming a frame component having a long hollow body with at least two continuous closed cross-sections by roll forming, a temporary joining step S3 for performing a temporary joining process, a waiting step S4 for keeping the frame component awaited, and a final joining step S5 for welding the frame component. The temporary joining process is a joining process that holds overlapping plate materials in a close-contact state. In the final joining step S5, one end of the plate material or another end is continuously welded to the closed cross-section plate material along the longitudinal direction of the long hollow body. While the frame component is being formed in the forming step S2, the welding in the final joining step S5 is performed on the other frame component.

This invention relates to the field of underground engineering and building structure engineering technology, and provides a vibration isolation structure and construction method for a high-speed railway tunnel under an airport terminal building. The structure includes: a supporting terminal building slab, a support structure, a high-speed railway tunnel, and a vibration isolation mechanism. The support structure is characterized by a transfer beam and two rows of support columns. The transfer beam is fixed to the existing pile foundation below the terminal building slab, and the two rows of support columns are vertically supported at both ends of the bottom of the transfer beam. The existing pile foundation directly below the transfer beam is suspended in the air. This invention, by constructing a span-type rigid frame system consisting of a transfer beam and support columns on both sides under the existing terminal building, safely and stably transfers the upper load originally borne by the central pile foundation to the deeper bearing layers on both sides. This allows for the suspension and truncation of the existing pile foundation in the central conflict area, providing sufficient and safe physical space for the high-speed railway tunnel to pass through.

This application relates to a flexible support system, including a base, cables, a first connecting component, a second connecting component, and a damper. The base includes multiple beams and multiple purlins connected to form the base. The cables extend along the length of the beams or purlins, and the ends of the cables are connected to the base or mounting platform. One of the purlins or beams extends in the same direction as the cables. The first connecting component connects the other of the purlins or beams to the cables. The second connecting component is connected to the cables and is used for mounting photovoltaic modules. At least one end of the cables is equipped with a damper. The flexible support system of this application forms a rigid-flexible system with a rigid frame of the base and flexible connections to the cables, retaining the advantages of a large span while improving wind resistance stability through a rigid base.