851results about How to "Quick dismantling" patented technology

The invention relates to a receding construction method of a cradle of a continuous girder bridge made of prestressing concrete, which is characterized in that the bridge surface of a bridge prefabricated by concrete is provided with a track and a door-shaped truss traveling device, and the width of a ceiling girder inside the door-shaped truss traveling device is wider than that of the bridge surface by 90cm-110cm; a front bottom cross beam and a rear bottom cross beam must extend to the outer side of an external mold by 45cm-55cm to form a main cradle truss, and an overhanging auxiliary door frame is additionally arranged outside the main cradle truss, after the construction of a closure segment of the bridge prefabricated by concrete is finished, and precise rolling deformed steel bars with the diameter of 32 outside a box girder positioned on the overhanging auxiliary door frame are connected with the rear bottom cross beam to disassemble a rear hanging strip; a bottom mold frame is separated from a beam body by utilizing a manual spiral type jack to loose the precise rolling deformed steel bars positioned on the door frame and the front bottom cross beam; a leading chain or a hoist are utilized to drive the main cradle truss so that the cradle recedes in a slideway to a first cast-in-situ segment; and a bottom mold and the external mold are fallen by the leading chain or the hoist to disassemble the main truss.

The invention discloses a rapid construction method of an arched pipe truss. The rapid construction method comprises the following steps that (1) a BIM structural model of the arched pipe truss is established; (2) horizontal integrated pre-assembly and segment welding are performed in a factory for the pipe truss to form truss bodies to be transport to a site; (3) the truss bodies are assembled to form two main trusses; (4) in-span brackets are installed; (5) the two main trusses are lifted and welded to connect the two main trusses into the pipe truss; (6) the assembled pipe truss is lifted in place to complete installation of the pipe truss; (7) the steps 2-6 are repeated to form two pipe trusses, a secondary truss and a roof support are installed, so that the installed part forms a whole force system; and (8) the steps 2-7 are repeated until all pipe trusses are installed. According to the rapid construction method of the arched pipe truss, in-span vertical one-time splicing rapid construction of the arched pipe truss can be completed in the case of poor on-site site conditions, the risks of working at height are reduced, the construction period is ensured, the construction cost is saved, and multiple purposes are achieved at one stroke.

The invention discloses a lateral light-entering type LED liquid crystal backlight module, which comprises an outer frame, a middle frame, liquid crystal glass, a back plate, a reflective sheet, a light guide plate, an optical diaphragm, a radiating plate and an LED light bar. The back plate comprises a bearing surface and a radiating surface, the reflective sheet, the light guide plate and the optical diaphragm are sequentially stacked on the bearing surface of the back plate from bottom to top, the radiating plate is fixed to the radiating surface of the back plate, the radiating plate is close to the edge of the light entering side of the light guide plate, a light bar fixing portion is arranged on the light guide plate in a projecting manner, and the LED light bar is fixed to the light bar fixing portion. The radiating plate can be rapidly detached from the back plate, the LED light bar is replaced by a non-defective light bar, rework process is greatly simplified, rework time is shortened, the probability of leading other materials to be defective during rework can be greatly reduced, and radiating effects are greatly improved owing to the designed structure.

The invention discloses a construction technology for a long-spiral cast-in-place pile extruded into rock. The construction technology comprises the following steps: 1) embedding a pile casing: embedding the pile casing in a pile position acquired by surveying and setting out; 2) drilling a hole: downward drilling by a long-spiral pile machine and acquiring a constructed and formed hole after drilling in place; 3) lifting a drill rod and protecting a wall with slurry: upward lifting the drill rod after drilling in place till taking the drill rod out of the formed hole, adopting a grouting device and pumping the wall-protecting slurry through the drill rod during the process of upward lifting the drill rod, and protecting the wall with the slurry for the formed hole; 4) putting down a reinforced bar cage; 5) grouting concrete: performing concrete grouting construction on the constructed long-spiral cast-in-place pile extruded into rock through a concrete pumping device and a grouting guide tube. The construction technology provided by the invention has the advantages of simple steps, convenience in realization, high hole quality, good construction effect and capability of effectively solving the problems of the present construction for the long-spiral cast-in-place pile extruded into rock that the hole wall is easy to collapse, the hole is repeatedly cleaned, the construction efficiency is low, and the like.

The invention belongs to the technical field of embossing machines, particularly relates to an embossing device of an embossing machine, and solves the technical problem that the prior art is unreasonably and the like. The embossing device of the embossing machine comprises a lower roller placed on a machine frame, and is characterized in that a plurality of embossing wheels are placed above the lower roller. The outer surfaces of the embossing wheels are provided with different printing grain, are all connected with an inversion mechanism, and can be driven by the inversion mechanism to respectively work matched with the lower roller. Compared with the prior art, the embossing device of the embossing machine has the advantages of being reasonable in design, simple to operate and convenient to use. When different grain is needed to printed, the embossing wheels can be directly changed; and when the embossing device of the embossing machine works, embossing wheels which are not in working states can be fast disassembled and replaced, and therefore time is saved and greater benefit is brought to an enterprise.

A fan assembly mechanism is disclosed for mounting a fan member on a wall mounting surface of a casing, including the fan member having a flat mounting surface and a space for receiving at least one fan; at least one fastening member formed on the flat mounting surface; and an elastic fastener having its one side fixed on the fan member and at least one latching portion protruded out of the flat mounting surface. The fan assembly mechanism allows the fastening member to engage a corresponding hole on the wall mounting surface of the casing, and the latching portion to engage another hole on the casing, so as to assemble the fan member to the casing.

The actuator (100) has a fixation piece (110) integrating the actuator with a frame (5) and partially arranged inside a tube (101) of the actuator. A case (120) houses a control part i.e. electronic board (140), that controls supply of an electric motor of a gear motor (102) belonging to the actuator, where the case and the motor are arranged inside the tube. Assembling units are formed of clips (121) for assembling the piece and the case. A locking unit locks the clips between the piece and the case, when the case is placed in the tube, and is formed by an inner surface (101D) of the tube. An independent claim is also included for a method of manufacturing a tubular actuator.

The invention relates to an extension-type carriage automobile, in particular to an extension-type cab semi-trailer, which comprises a main carriage body and at least an extension-type carriage body which can extend and retract along the transverse direction of the main carriage body. The extension-type carriage body comprises a support assembly used for supporting the extension-type carriage body in the state of stretching at least of parts of the extension-type carriage body and a guiding assembly used for guiding the extension-type carriage body in the process of extending and retracting the extension-type carriage body along the transverse direction of the main carriage body; the guiding assembly comprises at least two racks (28) fixed at the bottom of the extension-type carriage body along the transverse direction of the main carriage body and a connecting shaft (4) arranged at the bottom of the main carriage body in a rotatable way along the longitudinal direction of the main carriage body; the connecting shaft (4) is respectively connected with each rack (28) through a gear (29). The extension-type carriage body of the extension-type carriage automobile of the invention can be reliably extended and retracted.

The invention relates to a folding water-storing water-retaining water wall, comprising more than one water bag units; the water bag unit comprises a flexible water bag and more than two skeletons; the flexible water bag forms an enclosed water storage space; the inner wall of the flexible water bag is provided with a silica gel layer; the skeletons are arranged on the flexible water bag and tightly connected and fixed with the flexible water bag; the water bag unit is provided with a fixing device; a connecting ring is arranged on the skeletons of the two ends of the flexible water bag in the water bag unit; a connecting piece is arranged between the adjacent connecting rings on the adjacent water bag units; the water bag unit is provided with a locking device; the flexible water bag is provided with a water inlet and a water outlet; and a sealing device is arranged between the water bag units. The structure of the folding water-storing water-retaining water wall can fast build and dismantle the water-storing water-retaining water wall, is convenient to transport and carry and has reliable water retaining.

The invention discloses a temporary cofferdam applied to maintenance of an urban tidal river concrete anti-flood wall and a construction method thereof. The temporary cofferdam is composed of an arched pipe bag, side reinforced belts, annular reinforced belts, impervious blankets, end reinforced and impervious curtains and anchoring components. A plurality of grouting openings and sealing plugs for water filling and draining are arranged on the upper portions of the facing-water sides of the pipe bags, the walls of the water facing sides and the land sides of the pipe bags are integrally combined with the high-strength reinforced belts to form the side reinforced belts, and the impervious blankets outwards extend out of the side reinforced belts on the water facing sides and are pressed by a row of small sand bags; the two ends of each pipe bag are provided with the annular reinforced belts which are integrated with the side reinforced belts, and the annular reinforced belts extend outwards to form the horn-shaped end reinforced impervious curtains to be connected with an original wall and anchored and sealed by the anchoring components; the end reinforced and impervious curtains and the impervious blankets are integrated to form a sealed water retaining structure with the arched pipe bags. The temporary cofferdam has the advantages of being simple in structure, safe, reliable, convenient to transport and store, quick to construct, capable of being repeatedly used, friendly to the environment, and the like.

The invention provides a magnetic memory detection device for a cross manifold weld, used for detecting a weld (5) between a straight pipe (3) and an inclined pipe (4), wherein the magnetic memory detection device for the cross manifold weld comprises a magnetic memory sensor detection driving mechanism (1) and an assistant adjusting support (2), the magnetic memory sensor detection driving mechanism (1) comprises a detection unit (103) and a circular rail (115) capable of sleeving the outside of the inclined pipe (4), and the detection unit (103) can detect the detected weld (5) during the process of moving along the circular rail (115); the magnetic memory detection device for the cross manifold weld can perform omni-directional barrier-free detection on oblique crossing pipe intersecting line fillet welds with small angle areas. The error caused by manual operation during measuring can be greatly reduced, the smooth and stable detection process and accurate measuring result are ensured, and the measuring efficiency is greatly improved.

The invention discloses an improved inner-pushing type clamping device for a numerical control tube bending machine and belongs to the field of numerical control tube bending machines. The improved inner-pushing type clamping device solves the problems that an oil cylinder of an existing clamping device for a numerical control tube bending machine is poor in rotation sealing in the autorotation process and is likely to leak oil, and the service life is short. The improved inner-pushing type clamping device comprises a flexible chuck, an oil cylinder and a component, wherein the flexible chuck and the oil cylinder are connected through the component. The component for connecting the flexible chuck and the oil cylinder comprises a chuck pushing bush and a rotating rod. The oil cylinder comprises a cylinder body and a piston rod arranged in the cylinder body, and the chuck pushing bush is arranged at the stretching-out end of the piston rod, is fixed relative to the piston rod in the axial direction and can relatively rotate around the axis. The rotating rod is arranged in the piston rod, and is connected with the chuck pushing bush in the connecting mode that the rotating rod and the chuck pushing bush can rotate synchronous and move relatively in the axial direction. The flexible chuck is arranged at one end of the rotating rod. By means of the improved inner-pushing type clamping device, the problem of oil leakage caused by poor rotation sealing of the oil cylinder can be solved, so that the working stability of the clamping device is improved, and the service life is prolonged.

This is a tool-pattern cylinder model and follow-up platform. It contains: The peripheral side of cylinder model is composed with four group finalized complex model frames and four non-finalized filled plates. Every group complex model frame is formed with finalized rigid angle model and two finalized plates separately. The bottom edges of rigid angle model are horizontal and slide-able connected with the corner beam block; the finalized plate with corner beam is connected with transporting beam by finalized slide block: the central moving frame is connected with transporting beam by horizontal pull rod, to realize the draw-in and draw-out function of cylinder model; the four corners of follow-up platform have direct-able wheels, to make the platform keep proper condition during its primitive procession.

The invention relates to a round hole die of an equipment base pre-reservation anchor bolt hole, in particular to an equipment base pre-reservation round anchor bolt hole die, which is characterized in that the equipment base pre-reservation round anchor bolt hole die comprises a center shaft, a first bracing and shrinking device, a second bracing and shrinking device, four templates and four joint sealing plates, wherein the four templates are all in an arc shape and uniformly distributed along a circumference, each joint sealing plate is inserted between two adjacent templates, the four templates and the four joint sealing plates enclose to form a cylindrical space, first template supports on the four templates are all articulated to the first bracing and shrinking device, second template supports on the four templates are all articulated to the second bracing and shrinking device, the lower part of the center shaft, the first bracing and shrinking device and the second bracing and shrinking device are all arranged in the cylindrical space enclosed by the four templates and the four joint sealing plates, the upper part of the center shaft is arranged above the cylindrical space and is provided with outside threads, and a handle is arranged at the upper end of the center shaft. The die is simple to operate and rapid to disassemble and can be used repeatedly.

The invention discloses a current and surface pressure adjustable cable buffer layer ablation fault simulation device and method. The device comprises a power frequency voltage loop unit used for providing voltage applied to a buffer layer and a buffer layer ablation experiment unit connected to the power frequency voltage loop unit. The buffer layer ablation experiment unit comprises a sealed cavity, a fixing and clamping assembly arranged in the sealed cavity and used for fixing and clamping a buffer layer, an electrode assembly used for applying current to the buffer layer, a pressure adjusting piece used for applying surface pressure to the buffer layer and a self-weight adjusting assembly. By adjusting the amplitude of the externally applied voltage and the mass of the voltage regulating part, the ablation working condition simulation of the buffer layer under different currents and surface pressures is realized, the ablation characteristics of the buffer layer under the influenceof different current amplitudes and surface pressures are further researched, and a reliable experimental platform can be provided for the fault simulation analysis of the buffer layer of the high-voltage cable.

The invention discloses a turning-over method of a ship, and a protection tool. The protection tool comprises a supporting piece and a connection piece. The supporting piece is arranged correspondingto the free edge of a segment of the ship and connected with a lifting rope of a lifting device through the connection piece. The supporting piece is arranged at the free edge of the segment of the ship and connected with the lifting rope of the lifting device through the connection piece, and in the lifting process, by adjusting the length of the connection piece, the position of the supporting piece is adjusted so as to ensure the supporting protection effect on the free edge of the segment of the ship; besides, arrangement of the supporting piece is easy and convenient, modes such as welding or binding adopted for fixing the supporting piece to the segment of the ship are not needed, and therefore the mounting work of the protection tool is greatly reduced; and meanwhile, the protectiontool can be rapidly removed after turning-over operation is finished.

The invention provides a quick assembling and disassembling steel-structure pedestrian overpass which comprises piers, a bridge arranged on the piers and provided with a bridge deck, stairs arranged at two ends of the bridge, and guardrails arranged on two sides of the bridge and the stairs. The quick assembling and disassembling steel-structure pedestrian overpass is characterized in that the bridge is composed of a plurality of I-beams with through holes and connecting components; the connecting components include end plates, clamping plates and connecting plates, the end plates are arranged at the head and tail ends of each I-beam and provided with through holes, the clamping plates are arranged in grooves of the I-beams and provided with through holes, and each connecting plate provided with through holes is arranged between every two adjacent clamping plates, and bolts and nuts are arranged in the through holes. The pedestrian overpass can be assembled or disassembled quickly and conveniently, so that time for building or demolishing is shortened greatly, and road traffic pressure is relieved; furthermore, the disassembled pedestrian overpass is reusable, thus materials and cost are saved greatly. In addition, due to an assembled structure, assembly parts can be produced and transported in batches, and the pedestrian overpass is beneficial to large-scale and intensive production, transportation and assembly.

The invention belongs to the technical field of bridge expansion joints, and particularly relates to a method for quickly changing a rubber waterproof tape of a bridge expansion joint. The method comprises the steps that firstly, drawing mechanisms are symmetrically arranged at the two ends of the bridge expansion joint, digging ropes of the drawing mechanisms are connected with the front end and the rear end of a removal and installation mechanical arm respectively, the digging ropes are located at the horizontal axis of the expansion joint, and the left end and the right end of the removal and installation mechanical arm are arranged in grooves of beam body profiled bars and can slide back and forth along the expansion joint; secondly, the to-be-removed rubber waterproof tape and the removal and installation mechanical arm are fixed at the first drawing mechanism, and the second drawing mechanism is started to draw the removal and installation mechanical arm to strip the to-be-removed rubber waterproof tape away; thirdly, a to-be-installed rubber waterproof tape and the removal and installation mechanical arm are fixed at the second drawing mechanism, and the first drawing mechanism is started to draw the removal and installation mechanical arm to lay the to-be-installed rubber waterproof tape into the grooves of the beam body profiled bars; fourthly, the removal and installation mechanical arm is taken back, the drawing mechanisms are removed, and the work face of the bridge expansion joint is cleaned. The method has the advantages of being high in changing efficiency and good in installation quality.

The invention discloses a stereo garage quick assembly framework which comprises a first layer of parking space unit modules, a middle layer of parking space unit modules, a top layer of parking space unit modules, columns, a quick location locking module, a driving device fixed frame module. The parking space unit modules on the first layer, the middle layer and the top layer are provided with vertical beams, cross beams and three-way modules. The parking space unit modules on each layer are connected with the columns through the three-way modules, and the adjacent two rows of garage units are locked through inter-row quick location locking modules. The framework is quick in assembly, convenient to construct and especially applicable to sites such as exhibitions and conventions.

The invention relates to a follow-up type high-efficiency water-stop and sand-hindrance precipitation complex system and its construction method. The system is suitable for all unconfined aquifers andconfined aquifers. The complex system includes a precipitation well, an infiltration-filtration device arranged in a well pipe of the precipitation well, a sand filter layer which the outside of thewell pips is filled, a follow-up type moving water-stop heavy curtain, a waterway-drain seepage well and a settlement observation point; the precipitation well is arranged in an annular mode along theedge of a foundation pit, and the infiltration-filtration device is composed of plum-blossom shaped distribution holes and steel wire gauzes with which the outsides of the plum-blossom shaped distribution holes are coated; the follow-up type moving water-stop and sand-hindrance heavy curtain is placed on the inner side of the precipitation well in an annular mode; the waterway-drain seepage wellis formed on the inner side of the heavy curtain, and the settlement observation point is arranged on the edge of the foundation pit. According to the system and the construction method, foundation-pit precipitation, infiltration-filtration water collection, underground water stop, grit eroding and pipe gush prevention, and settlement prevention and control technology are integrated into a whole system, the structure is flexible, precipitation is high in efficiency, the collaborative linkage property is good, the building cost of projects is low, the application range is wide, and surface subsidence and other engineering hazards caused by grit eroding and pipe gush can be effectively prevented.

The invention provides a cast-in-place concrete wall single-side formwork system, belonging to the technical field of a cast-in-place concrete formwork. The cast-in-place concrete wall single-side formwork system comprises a support frame and a vertical formwork, wherein the support frame comprises a stand column and a horizontal support, and a height regulating mechanism is arranged on the standcolumn; the support frame is connected with an anchoring component; the formwork comprises a plurality of standard formworks connected in order and at least one regulating template connected with thestandard formworks; and a group of cross bam component is respectively connected between each stand formwork and the stand column and between each regulating formwork and the stand column. The cast-in-place concrete wall single-side formwork system has the advantages of simple structure of the support frame and less usage amount of steel products; the formwork is divided into multiple standard formworks and at least one regulating formwork, so that the formwork is convenient to realize quick installation and removal in the narrow space, and the working efficiency is improved; the standard formworks can be reused, and the cost is reduced; and the cross beam components are used for supporting the formwork and transferring the pressure of the formwork to the support frame.

The present invention relates to assembled movable dam for resistinf flood and tide water. The movable steel plate wall of dyke includes two groups of single gate plates connected via sealing strips and holding strips. The single gate plates are fixed to dyke via support. The present invention is used in reconstructing available dyke and its construction has no effect on available dyke height, peripheral buildings and available scenes.

The invention relates to a combined vehicle-mounted building block-type emergency flyover comprising a middle bridge surface which is erected by paving steel cables and oblique bridge surfaces on both sides of the middle bridge surface; the middle bridge surface is supported by four hydraulic vertical columns, a symmetric plane can be formed along a road surface, and bottom leg supporting steel columns are connected between the the bottom ends of the oblique bridge surfaces and on the steel cables in the horizontal direction; rotary angle-shaped beams with changeable angles are spanned between the top ends of the hydraulic vertical columns on the oblique bridge surfaces and the steel columns on the steel cables; and rotary angle-shaped beams are spanned on the steel cables between the topends of all the hydraulic vertical columns on the middle bridge surface, cover plates are connected between the rotary angle-shaped beams, so that a smooth oblique surface and an upper surface are formed. The vehicle-mounted building block-type emergency flyover can be installed and removed quickly in a special time and an area as well as when in traffic jam which is caused by sudden events, so that a vehicle can quickly pass; and the flyover can be removed in a short time after the traffic jam is mitigated. The vehicle-mounted building block-type emergency flyover has the characteristics of simple structure, convenience and quickness in assembly, safety and reliability.