25results about How to "Clear force" patented technology

The application discloses a movable bridge deck panel installation platform and a construction method thereof. The movable bridge deck panel installation platform comprises a steel plate leg, an angle steel leg and a steel panel, is installed on the upper side of a bridge deck panel, the steel plate leg and the angle steel leg are supported on a main force component of a steel beam, load is transmitted to the main force component of the steel beam, the safety of the steel beam structure is ensured, a caterpillar crane is moved to the steel panel to perform hoisting operation, direct contact with the bridge deck panel is avoided, bridge deck panel cracking is avoided, compared with a traditional automobile crane or a special frame plate machine, the efficiency is higher and the economy is better, through a construction method of cyclically adopting a hoisting bridge deck panel, installing the movable bridge deck panel installation platform, moving the caterpillar crane to the installation platform, hoisting the next bridge deck panel, space occupation of a construction site is less, and the construction method has the advantages of convenient construction, rapidness, convenience, safety and the like.

This invention discloses a bridge pot bearing and control system based on system conversion. A first bearing body and a second bearing body are stacked from top to bottom. The first bearing body has a first mounting plate, and an adjustment component is installed below the first mounting plate. The second bearing body has a second mounting plate, and a test component is installed on the second mounting plate. The test component connects with the adjustment component. While performing pressure testing, the test component, in conjunction with the adjustment component, enables the conversion between three states: fixed pot bearing, unidirectional movable pot bearing, and bidirectional movable pot bearing. This invention monitors the stress on the bearing in real time, calculates the bridge shear force based on the reaction force, and derives the bridge shear force amplification factor under dynamic loads, thus improving bridge design methods and making bridge design safer and more reliable. It can realize the functions of a fixed bearing, a unidirectional movable bearing, or a bidirectional movable bearing, and achieve mutual conversion between bearing types.

The present application relates to the technical field of net rack structure reinforcement, and particularly relates to a welding-free full-assembled net rack rod piece reinforcement device and method. The device comprises: a fixed center bearing frame for reinforcing a circular tube component; a telescopic vertical sliding inclined strut assembly arranged between two adjacent vertical fixed vertical rods; an assembled sectional sleeve assembly for fixing the fixed center bearing frame outside the circular tube component; a cable body for connecting two connecting bases on the fixed center bearing frame; and a tensioning adjusting mechanism for adjusting the tension of the cable body. The welding-free full-assembled net rack rod piece reinforcement device and method provided by the present application adopts a welding-free full-assembled construction process, and the components are standardized prefabricated in a factory. The components are only assembled by bolts and pins at the site, so that the construction is safe and efficient, welding damage is avoided, and the original structure performance is not affected. The components are connected by bolts, so that the components are convenient to disassemble and assemble, the components can be recycled and reused, and the engineering cost is reduced.

The utility model relates to the field of aircraft body structures, and provides a truss type aircraft cargo hold floor structure and an aircraft, the cargo hold floor structure comprises a fuselage frame, a truss, a floor cross beam, fuselage frame connecting nodes, floor cross beam connecting nodes and a floor; the floor beams are arranged on the upper portion of the machine body frame, and the two ends of each floor beam are fixedly connected with the machine body frame. The truss comprises a plurality of stand columns, one ends of the stand columns are connected with the fuselage frame through fuselage frame connecting nodes, and the other ends of the stand columns are connected with the floor cross beams through floor cross beam connecting nodes. The stand columns can rotate around the fuselage frame connecting joints or the floor beam connecting joints. A triangular structure is formed between every two adjacent stand columns and the machine body frame or the floor beam. According to the utility model, the assembly process is simplified, and the production efficiency is improved. And the connecting rotating shafts are adopted at the connecting positions of the truss, the fuselage frame and the floor cross beam, so that the connecting positions only transmit tension and compression loads, and the situation that the positions are insufficient in connection due to large bending moment of the bottom frame is avoided.

This utility model discloses a crane truss structure with a parallel crane beam as the lower chord, comprising: a lower chord structure, which includes two crane beams arranged in parallel and spaced apart, with multiple upper connecting plates connecting the upper flanges of the two crane beams and multiple lower connecting plates connecting the lower flanges of the two crane beams; the two ends of the crane beams are used to connect to corresponding factory building brackets; an upper chord structure, located above the lower chord structure; and a web member assembly, which includes multiple diagonal web members and multiple vertical web members connecting the upper and lower chord structures, with multiple node structures provided on both the upper and lower chord structures; the two ends of the diagonal web members are connected to the corresponding node structures, and the two ends of the vertical web members are connected to the corresponding node structures. This utility model can solve the problems of existing ultra-large span crane beams having large cross-sectional heights, occupying a large amount of space below the rail surface, affecting the air circulation inside the workshop, using a large amount of steel, having complex stress, and being inconvenient to install.

The utility model discloses a cable trench support capable of separating strong current from weak current, which comprises a cable trench and a stress rod, the bottom of the stress rod is fixedly connected with a bottom plate of the cable trench, a reinforcing rod is mounted between the lower part of the stress rod and a side wall of the cable trench, a plurality of cable supports are mounted on two sides of the upper part of the stress rod in a layered manner, and the cable supports are connected with the stress rod. The cable support on one side serves as a strong current line support, and the cable support on the other side serves as a weak current line support. The utility model has the advantages of simple structure, safety, reliability and clear stress, and is particularly suitable for cable trenches with steep slope surfaces, limited space and strong and weak current separation requirements.

This utility model discloses a piston-type pneumatic actuator, including a drive housing and a cylinder housing. The cylinder housing is located on one side of the drive housing, and a drive chamber is provided inside the drive housing. A pressure plate is provided inside the cylinder housing, and an air chamber is provided on one side of the pressure plate. An output shaft is provided on the other side of the pressure plate. The output shaft passes through the cylinder housing and extends into the drive chamber for reciprocating movement. A valve stem is rotatably mounted inside the drive housing, and one end of the valve stem extends into the drive chamber and is connected to a connecting rod. A strip-shaped groove is provided on the connecting rod. A drive block is fixedly connected to the portion of the output shaft located in the drive chamber. A slide rod is provided on the drive block, and the slide rod slides in the strip-shaped groove. The output shaft drives the connecting rod and the valve stem to reciprocate and rotate reciprocally through reciprocating movement. This solution converts linear motion into the reciprocating rotational motion of the valve stem, thereby realizing the opening and closing control of the valve, and has the advantages of smooth movement and fast response.

The steel pipe truss comprises a concrete prefabricated bottom plate (1) and an upper chord steel pipe (2), the left side and the right side of the upper chord steel pipe (2) are each in an arc shape, the upper ends of the arcs on the left side and the right side are connected to form an upper straight line section, the lower ends of the arcs on the left side and the right side are connected to form a lower straight line section, and the lengths of the upper straight line section and the lower straight line section are both 15-80 mm; the prefabricated concrete bottom plate further comprises a web member (3), the web member (3) is formed by continuously bending a hollow steel pipe into a wave shape, the wave crest of the wave-shaped web member (3) is welded to the bottom face of the lower linear section of the upper chord steel pipe (2), and the wave trough part of the wave-shaped web member (3) is buried in the prefabricated concrete bottom plate (1). The hollow web member is creatively welded with the straight section at the bottom of the upper chord steel pipe, and the thickness of the steel plate at the lower straight section of the upper chord steel pipe is increased, so that the defect can be better avoided, and the welding strength is ensured.

The invention discloses a hoisting device and process for hoisting a large section of a steel box girder, and relates to the technical field of bridge construction, the hoisting device comprises a hoisting mechanism, a welding mechanism is arranged on the outer side of the hoisting mechanism, and the bottom of the welding mechanism is fixedly connected with the top of the hoisting mechanism; the lifting mechanism comprises a bridge, piers are fixedly connected to the bottom of the bridge, pre-assembled sections are fixedly connected to the outer side of the bridge, stand columns are fixedly connected to the tops of the pre-assembled sections, inclined struts are fixedly connected to the outer sides of the stand columns, the tops of the multiple stand columns are fixedly connected with the same lifting platform, and the same lifting platform is fixedly connected to the tops of the multiple stand columns. The top of the lifting platform is fixedly connected with a hydraulic lifter, and the bottom of the hydraulic lifter is fixedly connected with a steel strand. According to the hoisting device and process for hoisting the large section of the steel box girder, the main bridge steel box girder is divided into a plurality of sections, and the middle large section is integrally hoisted and mounted, so that high-altitude scattered splicing is avoided, and the field welding workload is greatly reduced.

The invention discloses a high-friction energy dissipation self-resetting fabricated beam-column joint which comprises a prefabricated concrete column, the splicing beams are horizontally arranged and fixedly welded to the prefabricated concrete columns, and the cantilever beams are horizontally arranged; the two ends of the friction energy dissipation device are fixedly connected with the splicing beam and the cantilever beam through bolts respectively, and the friction energy dissipation device comprises a section type self-resetting device and a friction energy dissipation sheet; wherein the friction energy dissipation sheet comprises a plurality of steel-brass friction sheets, a plurality of fan-shaped energy dissipation nets and a plurality of fan-shaped friction energy dissipation sheets so as to provide self-resetting force; the section type self-resetting device comprises an internal section type SMA screw rod so as to provide self-restoring force. Friction and deformation dual energy dissipation is provided through the fan-shaped friction energy dissipation pieces and the fan-shaped energy dissipation nets, the node energy dissipation capacity is effectively improved, the node type self-resetting device has certain self-restoring force, the friction energy dissipation pieces can return to the initial positions, and the problem of residual displacement of the friction energy dissipation pieces is solved.

The invention relates to the technical field of new energy, in particular to a gluing tool and a battery system.The gluing tool comprises a moving part which moves relative to a pole piece; the gluing assembly is arranged on the moving part and comprises a glue storage part and a gluing part, the glue storage part is used for storing insulation glue, the gluing part is provided with a glue outlet, and the glue outlet is connected with the glue storage part; the adjusting assembly is arranged on the gluing piece and is used for adjusting the widths of the two ends of the glue outlet in the length direction of the glue outlet, so that the gluing thickness on the pole piece is consistent; the length direction of the glue outlet is perpendicular to the moving direction of the moving part. In the whole gluing path, the consistency of the thickness of the glue layer is ensured, and the safety performance of the battery is improved.

The utility model discloses an MIC assembly type double-column connecting node which comprises module columns, module beams, vertical module beams, laminated slabs, module column longitudinal bars, module beam support negative bars, module column abutted seams, concrete cast-in-place layers and composite steel plate hoops, and relates to the technical field of building structure design and construction. According to the MIC assembly type double-column connecting joint, hoisting can be conducted on site, the site workload is reduced, beam plate surface ribs are bound on site, then a concrete cast-in-place layer is poured, the structural integrity is enhanced, a factory is combined with the site, the structural safety is met, and meanwhile the construction period is shortened; by arranging the composite steel plate hoop, the problem that the strength of stirrups in the joint is insufficient or the stirrups of the construction joint cannot be placed is solved, and the MIC double-column joint is simple in structure and clear in stress.

This invention discloses a multi-stage anti-falling beam plate rubber bearing, comprising a plate rubber bearing system, an anti-falling beam system, an upper structure connection system, and a lower structure connection system. The plate rubber bearing system includes a vulcanized bearing body and a positioning steel plate; the anti-falling beam system consists of a compression spring, a guide steel bar, a circumferential rubber ring, and fasteners; the upper and lower structure connection systems are respectively constructed through welded connecting plates and anchoring components. The positioning steel plate is embedded in the space enclosed by the lower stop block, the compression spring and rubber ring are positioned between the upper and lower anchoring plates, and the guide steel bar is anchored after passing through each component. This bearing is connected to the upper and lower structures of the bridge via bolts, has a compact structure, effectively limits bearing displacement, prevents beam fall, and is easy to install and replace.

The invention discloses a retaining wall supporting structure suitable for a soft soil area, relates to the technical field of geotechnical engineering slope supporting, and mainly aims to improve the reliability of soft slope supporting. According to the main technical scheme, the retaining wall supporting structure suitable for the soft soil area comprises a plurality of rib bodies, a plurality of prefabricated column bodies, a plurality of prefabricated baffles and a plurality of pre-stressed anchor rods; the plurality of rib bodies are sequentially buried in a side slope soil body; the prefabricated columns are sequentially arranged on the outer side face of the slope soil body, each prefabricated column corresponds to one rib body, a plurality of reserved hole channels are vertically formed in the outer vertical face of each prefabricated column, and inserting grooves are formed in the two sides of each prefabricated column respectively; each prefabricated baffle plate is arranged between two adjacent prefabricated column bodies, and the opposite side edges of the prefabricated baffle plates are respectively inserted into the slots; and each pre-stressed anchor rod is sequentially inserted into the reserved hole channel and the rib body.

This invention discloses a cable protection box for cables passing through a seismic isolation layer, relating to the technical field of cable protection boxes. It includes a box body with a cable outlet at the top and a cable inlet at the bottom; a shaped truss fixed to the upper part of the box body, with a cable passage gap formed between its top surface and the top surface of the box body; the center of its top surface protrudes upward to form an arc-shaped mounting surface, on which a cable fixing assembly is mounted; a shaped bracket fixed to the lower part of the box body and located directly below the shaped truss, extending horizontally and aligning with the length of the truss; the center of its top surface is recessed downward to form an arc-shaped support surface; the cable outlet is horizontally located to the side of the arc-shaped mounting surface and the arc-shaped support surface. This invention, through the cooperation of the arc-shaped mounting surface and the arc-shaped support surface, forcibly locks the bending radius of the detour section by the geometric dimensions of the arc surface, and the redundant buffer section is supported by the concave arc contour and maintains a smooth arc shape, resulting in strong seismic resistance and meeting the cable bending curvature requirements.

This invention discloses a composite transfer beam structure for easy development of depot superstructures, comprising a superstructure beam, a composite transfer beam, structural columns, at least two superstructure columns, column head reinforcement, and shear reinforcement. Column head reinforcement is pre-installed on the superstructure columns. The ends of the composite transfer beam are connected to adjacent superstructure columns via the column head reinforcement. Shear reinforcement is pre-installed on the ends of the superstructure beam. The composite transfer beam is connected above the superstructure beam via the shear reinforcement and column head reinforcement. The structural columns are connected above the composite transfer beam. This invention not only meets the requirements for subsequent development structures to connect with the superstructure over a relatively long time span, but also possesses strong seismic resistance. It also offers advantages such as convenient construction, high construction quality, low construction cost, low cost of superstructure pre-installation works, and flexible arrangement of the upper columns to meet the needs of later subway superstructure development.

The utility model discloses a kind of yard retaining wall structures. The yard retaining wall structure includes multiple longitudinal extension ground, and ground is provided with the wall body with cavity between ground, and the outlet end of ground is provided with the cantilever retaining wall and the upwardly inclined retaining wall of transverse extension;The ground and the wall body with cavity form unloading platform;The cantilever retaining wall extends upwards relative to ground top, and the upwardly inclined retaining wall extends downwards relative to ground bottom.The retaining wall structure of the utility model reduces initiative pressure, and reduces foundation bearing capacity, with simple structure, construction is easy, and the characteristics such as low cost.

The invention belongs to the field of building structure reinforcement and transformation, and particularly relates to a composite thermal insulation block wall rear opening structure and a construction method.According to the opening structure, angle steel connected end to end is arranged along the periphery of an opening to form steel frames, the steel frames are symmetrically arranged on the inner side and the outer side of a wall, and the two symmetrical steel frames are fixedly connected into a whole through flat iron; a groove is formed in the lower side of the partition plate of the heat preservation building block on the upper side of the hole, cavities of the heat preservation building block are communicated through the groove to form a tie beam pouring cavity, tie beam steel bars are arranged in the groove, a bottom die is arranged on the lower side of the tie beam pouring cavity, the two sides of the bottom die are fixedly welded to the steel frame, and the tie beam pouring cavity is filled with concrete slurry. According to the construction method, the angle steel is inserted along the kerf of the wall surface before the opening is formed, then the opening is formed, and the straining beam structure is constructed upwards from the top of the opening, so that the construction safety is high, the opening straining beam is formed by utilizing the structure of the wall body, and the damage to the original structure is small.

This invention discloses the structure and construction method of an arch bridge viewing platform. The specific structure includes a main beam, with prefabricated platform sections symmetrically arranged on both sides of the main beam along the bridge's centerline. The outer walls of the prefabricated platform sections are connected to cantilevered splicing sections. The ends of the two cantilevered splicing sections furthest from the bridge's centerline coincide with the ends of the main beam. End caps are provided at the ends of the main beam. The inner walls of the prefabricated platform sections are connected to main arch ribs. This invention's arch bridge viewing platform structure solves the problem of poor overall structural integrity in existing arch bridge viewing platforms. The construction method of this invention is simple to operate and allows for rapid construction.

The application relates to the field of building masonry structure anti-seismic technology, and provides a fair-faced wall anti-seismic system based on a pulling principle, which comprises a structural column wall, an inner wall, an outer fair-faced wall, inner wall longitudinal reinforcing bars, inner and outer wall transverse reinforcing bars, outer wall longitudinal reinforcing bars, a transverse supporting wall and vertical reinforcing bars. The outer fair-faced wall is connected with the inner wall through the inner and outer wall transverse reinforcing bars or the transverse supporting wall, replaces traditional constructional columns and ring beams, guarantees the anti-seismic performance, and improves the appearance of the fair-faced wall. The system realizes the cooperative stress of the inner and outer walls through the pulling reinforcing bars and short wall construction, simplifies the construction process, and is suitable for masonry structure buildings.

The application discloses a steel bracket combined elevator steel platform, which comprises a steel bracket and a base steel beam frame, the steel bracket comprises a back plate and two hinged plates arranged in parallel on the back plate, the back plate is fixed on a main body structure through a bolt assembly, the bolt assembly comprises a pre-buried threaded column and a fixing bolt, the end of the pre-buried threaded column is provided with an internal thread hole, and the outer side is provided with a threaded strip, the base steel beam frame comprises a main steel beam, a wing beam and a cross beam, the cross beam is fixedly connected between two parallel arranged main steel beams, four wing beams are arranged in a right angle and symmetrically on the outer side edges of the main steel beams, the spacing between two wing beams of a single side edge is matched with an elevator standard section, one end of the main steel beam is fixed with the steel bracket, and the other end is provided with supporting force by a support plate pre-buried on a column pier, and the steel bracket combined elevator steel platform provided by the application is replaced by a recyclable bracket artificial stress joint, thereby greatly reducing construction cost and improving construction efficiency.

The invention relates to the technical field of underground engineering construction, and discloses a simple and rigid ditch cable channel steel inner mold capable of actively shrinking and demolding and a construction method, and the construction method comprises the following steps: S1, implanting an anti-floating pull rod on a tunnel base surface; s2, the formwork units are integrally placed at a construction position through hoisting equipment; s3, forming a geometric cavity to be poured by the template units; s4, the anti-floating pressing rods abut against the top faces of the formwork units; s5, concrete is poured in a cavity formed by the formwork units and the base plane in a layered mode; and S6, the anti-floating pressing rods are removed to release the vertical constraint stress. Through rigid connection and lead screw nut transmission, the structure is simple, stress is clear, the problems that a complex sliding groove structure is prone to clamping stagnation and damage are solved, working reliability is high, bonding between a formwork and concrete is stripped in advance through active transverse shrinkage of the side wall plates, forced pulling is changed into easy separation, and the demolding efficiency is improved. And the integrity of concrete edges and corners is fundamentally protected.

The invention relates to the technical field of railway line overhead engineering, in particular to a railway auxiliary beam overhead system and an implementation method. A plurality of cross beams are arranged in the extending direction of the track, each cross beam is arranged between the sleepers in a penetrating mode, the two ends of the cross beams are fixedly connected through longitudinal beams, and the longitudinal beams are detachably connected to the tops of the cross beams through high-strength bolts. The transverse lifting beams are supported at the bottoms of the longitudinal beams and fixed to a ground foundation through supporting structures, and a plurality of transverse beams are arranged between every two adjacent transverse lifting beams at intervals. According to the novel railway auxiliary beam overhead system, the advantages of an existing overhead system are fused, the stress mode that the transverse lifting beams and the longitudinal beams are combined is adopted on the whole, a transverse stress system of the transverse lifting beams and a longitudinal beam stress system of a local section are synergistically integrated, the problem that the span of the overhead system is limited is solved, stress is definite, and the construction efficiency is improved. The force transmission path is clear, and the structure is more stable.

The invention relates to an irradiation treatment system for local modification of a semiconductor, and belongs to the technical field of semiconductor processing. The irradiation treatment system for local modification of the semiconductor comprises a bearing table, a shielding mechanism, a positioning detection assembly and a control module, wherein the bearing table is used for bearing and fixing a semiconductor wafer; the shielding mechanism comprises a shielding plate and a driving assembly, and a radiation opening is formed in the shielding plate; the surface, facing the radioactive source, of the wafer is a processing surface; the edge position of the shielding plate is fixed, and the driving assembly is connected with the center point of the shielding plate and drives the center point to ascend and descend in the axial direction, so that the shielding plate generates elastic deformation to form an arc-shaped surface; the positioning detection assembly is used for detecting contact between the shielding plate and the machining face. The control module controls the center point of the shielding plate to ascend and descend according to the contact signal, so that the arc-shaped face shape of the shielding plate is matched with the arc-shaped shape of the machining face. According to the irradiation treatment system for semiconductor local modification, the reliability and the yield of a semiconductor local modification process can be improved.

This utility model belongs to the field of construction engineering technology, and specifically relates to a triangular hanging basket device for cantilever construction of cable-stayed bridges. It overcomes the problems of heavy weight and complex operation of existing cable-stayed bridge cantilever casting hanging baskets. It is 1 / 4 lighter than the previous cable-stayed hanging baskets and is simple to operate. It includes a main truss system, an anti-locking wheel travel system, a sliding beam travel system, and a formwork system. The main truss system includes multiple triangular trusses. Each triangular truss includes a longitudinally distributed main beam. Vertically distributed main truss uprights are installed on the main beams. The top of each main beam upright is connected to the front and rear ends of the main beam by two diagonal tie rods. The front and rear ends of the main beams of the multiple triangular trusses are connected as one unit by transversely distributed front and rear upper crossbeams.