86results about How to "Reinforcement and stability" patented technology

The invention discloses a support method for bolt-grouting a composite crushing dynamic-pressure roadway soft rock roof by a high-pre-stressed anchor cable. The support method comprises the following steps of: after excavating a roadway, keeping up with a roadway driving head for drilling a deep part in a roadway roof, sending a deep hole camera shooting detecting instrument to the bottom of a drilled hole, recording inner wall lithological characters, fracture spacing and crushing region thickness range of surrounding rocks of different depths; keeping up with the roadway driving head, firstly drilling grouted holes in the surfaces of surrounding rocks, installing grouting pipes, then spraying thin-layer concrete on the surfaces of the surrounding rocks of the roadway for closing the surfaces of the surrounding rocks of the roadway to prevent slurry from overflowing; grouting the insides of the surrounding rocks through the grouting pipes, after slurry is solidified, drilling anchor cable holes in the surfaces of the surrounding rocks of the roadway, and when the depths of the anchor cable holes exceed the range of a crushing region, installing an anchor cable for reinforcing. The support method has the advantages of being simple in operation, bringing convenience for construction, saving secondary or multi-time support procedure, lowering the cost, saving the time and manpower, increasing the working efficiency, realizing dual-anchoring, and achieving the strong support effect, and is especially suitable for the roof which is difficult to support under the condition of dynamic pressure.

The invention relates to a novel beach sludge roadbed treatment method. The problems of machine entry and construction platform in a later period are effectively solved by the anti-clogging closed vacuum preloading foundation treatment way of the method in the early stage; the later foundation treatment way of anti-clogging closed composite vacuum combined preloading effectively and rapidly reinforces the treatment effect in the early stage, the soil mass is enabled to generate secondary consolidation. Compared with a preloading method, the foundation consolidation can be finished in shorter construction cycle, the post-construction settlement is avoided, the expected roadbed designed elevation can be met without unloading when in use, and the purposes of short cycle, adaptability and fast implementation are truly realized.

The invention discloses a device and method for reinforcing a formwork on a single-side of a retaining wall of a basement, and belongs to the technical field of house building construction. Scaffolds are arranged in a storey, and horizontal rods of the scaffolds serve as horizontal supports; formworks, secondary beams and primary beams are arranged on one side, facing the interior, of the retaining wall sequentially, the multiple secondary beams are vertically arranged in parallel, and the multiple sets of primary beams are horizontally arranged in parallel; each set of primary beams is fixedly connected with embedded rebars in a retaining pile of a foundation pit through a plurality of waterproof screw rods which penetrate through the primary beams, the secondary beams and the formworks to form a rowed anchor structure ; a plurality rows of positioning piles are arranged in a floor face in a buried mode, and a plurality rows of lateral supports corresponding to the positioning piles are connected with the positioning piles and the primary beams; and an anti-floating pulling rod is arranged in the floor face which is close to the lowest row of primary beams in a buried mode, and the anti-floating pulling rod is fixedly pulled and tied with the lowest row of primary beams through hooks. The device and method for reinforcing the formwork on the single-side of the retaining wall of the basement solves the problems that, in the prior art, mounting and dismounting in the storey is difficult, the turnover utilization rate is low, the reinforced frame body is unable to be connected with the scaffolds effectively, and a storey wall and a beam plate are unable to be formed for one time.

A detachable bed base contains: a first connection assembly, a second connection assembly, multiple support rods, two frames, and multiple screw elements. The first connection assembly includes multiple first hollow tubes, and the second connection assembly includes multiple second hollow tubes. Each of multiple first C-shaped slats has two first through holes for accommodating each of multiple fixing bolts, and each of multiple second C-shaped slats has two second through holes for accommodating said each fixing bolt, wherein said each fixing bolt houses each of multiple pins. Two frames hold the first connection assembly and the second connection assembly, and each frame includes a first extension and two second extensions. The first extension has two hooks, and each of the two second extension has a coupling holder, a fitting trench, and a positioning member. Furthermore, multiple supporters lock the first column, the second column, and the coupling holder together.

The invention discloses a radiator; a metal tube is a metal foil tube with the thickness of 50-200mum; a metal radiating fin is provided with an open draw hole with turned-over edges; the metal foil tube is swollen into the open draw hole with turned-over edges to form a whole with the metal radiating fins by interference and the metal radiating fins are arranged on the metal foil tube with the spacing of 3-20mm.The manufacturing method for the radiator comprises the following steps: according to diameter of the metal foil tube, manufacturing a metal plate with the thickness of 0.05-0.30mm into the open draw hole with turned-over edges and the height of 3-12mm and high density metal radiating fins with deeply pressed patterns; arranging the open draw hole fins with turned-over edges in a light protecting cap which encloses a metal radiator core; and pushing alloy expanding balls in the metal foil tube to generate interference expanding tube amount of 30-300mum to form tight coupling of finned pipes. The radiator has scientific design, light weight and high efficiency, obviously saves energy, decreases waste exhaust and saves raw materials and metal heat intensity coefficient is larger than 5.0w/kg.DEG C.

The invention relates to the technical field of a PCB, and discloses a PCB mounting and fixing apparatus convenient to mount and dismount. The PCB mounting and fixing apparatus comprises a shell; a left fixed plate is fixedly connected with one side of an inner cavity of the shell and a right fixed plate is fixedly connected with the other side of the inner cavity of the shell; connecting plates are fixedly connected with the upper and lower ends of the inner cavity of the shell respectively; an auxiliary sliding groove is formed in one end of each connecting plate; an auxiliary sliding blockis glidingly connected in the interior of each auxiliary sliding groove; a sliding plate is fixedly connected with one side of each auxiliary sliding block; and a fixing apparatus is fixedly connectedwith one side of each connecting plate. The PCB mounting and fixing apparatus convenient to mount and dismount is provided with mounting apparatuses; inner rods are fixedly connected with the two sides of the PCB in a sleeving manner; the inner rods are arranged in outer rods in a sleeving manner, so that the length of the PCB can be adjusted conveniently; when the PCB is mounted, the PCB is adjusted to a proper length firstly, then a main sliding block is aligned to a main sliding groove, and the main sliding groove drives the main sliding block to slide, so that a clamping block can be clamped in a clamping groove when the PCB enters the interior of the shell, thereby realizing fixing and mounting of the PCB; and convenience in mounting and dismounting also can be achieved.

The invention relates to a special installation robot for strip foundation formwork support for steel structure bridge construction, including a bottom plate, which is installed on a load-bearing mobile vehicle, and the bottom plate is sequentially installed with abutting auxiliary devices, clamping and conveying devices and Limited feeding device. The present invention can solve the problems existing in the process of manually fixing and installing reinforced concrete strip foundation formwork support, which requires the formwork to be transported to the working position manually by means of equipment, and the formwork of different specifications to be transported to the corresponding position manually by means of the existing lifting equipment. Manual assistance is required in the process of installing formwork. Large-scale conveying equipment consumes a lot of energy. Manually transporting the formwork with the help of hoisting equipment requires corresponding fixing of the formwork. Manually assisted installation of the formwork has potential safety hazards. Manually fixing and installing the formwork is labor-intensive and poor in stability. Low work efficiency and other problems can realize the function of automatic fixed installation of reinforced concrete strip foundation formwork support.

The invention provides a nano-material reinforcing agent. The nano-material reinforcing agent comprises 1 to 2 parts of polyacrylamide, 30 to 40 parts of calcium hydroxide, 5 to 20 parts of slag, 1 to 30 parts of nanometer silicon reinforcing liquid, 5 to 20 parts of micro silicon powder, 1 to 3 parts of calcium sulphoaluminate, 5 to 10 parts of bentonite, and 5 to 10 parts of expanding agent; the content of free water in solid raw materials is not greater than 3%; the solid-state raw materials are uniformly milled through a ball mill, and the specific surface area of the solid-state raw materials is 280 to 320m<2>/kg. The invention discloses an application method, comprising the following steps of: uniformly stirring the reinforcing agent in which the solid powder accounts for 20 to 60% of mass of clay; adding a nano-siliceous reinforcing agent that accounts for 20 to 25% of total mass of a solid-state material and mixing uniformly; and then covering a plastic film and standing for 60 to 120 minutes. After the original earth construction is reinforced in a paving way and an inlaying way, the shortcomings that the raw earth material is poor in resistance to bending, shearing, folding, water stability and the like are overcome; the reinforced wall body has the appearance same as that of the original wall body, the adhering effect and the water resistant performance are obviously improved, and the resistance to freezing and thawing and the resistance to sulfate corrosion are improved, therefore, the positive and effective effect is provided for stably reinforcing the earth construction.

The invention discloses a method for preparing high-strength self-compacting concrete through recycled fine aggregate, and relates to the technical field of concrete preparation. The method comprisesthe steps that 1, the recycled fine aggregate and required saturated water are mixed and stirred evenly; the recycled fine aggregate is recycled fine aggregate particles obtained in the mode that waste concrete is crushed, shaped and sieved, and the grain size of the recycled fine aggregate particles is not greater than 10 mm; and the required saturated water is calculated according to the water demand ratio of recycled mortar prepared from the recycled fine aggregate. According to the method for preparing the high-strength self-compacting concrete through the recycled fine aggregate, the final setting time can be controlled by adjusting the using amount of an accelerator, the construction time is convenient to control, concrete construction is convenient, the construction cost of engineering can be effectively lowered, through engineering practice, the sprayed concrete does not fall off after being poured, can be firmly combined with a constructed foundation pit slope, and can effectively reinforce the foundation pit slope, and the situation of secondary rework pouring is effectively avoided; and physical properties and mechanical properties of the concrete are met.

The invention belongs to the technical field of anchoring devices, and particularly relates to a sleeve extrusion type aerofoil-expanded anchor rod. The sleeve extrusion type aerofoil-expanded anchorrod can be recycled and reused. The sleeve extrusion type aerofoil-expanded anchor rod comprises a sleeve 1, a main rod 2, pin shafts 3, baffles 4, airfoil plates 5, nuts 6 and a pressing ring 7. Themain structural points of the sleeve extrusion type aerofoil-expanded anchor rod are that the main rod 2 is placed in the sleeve 1, the side wall of the front part of the main rod 2 is connected withthe airfoil plates 5 through the pin shafts 3, the sleeve 1 is provided with airfoil plate through holes, the pressing ring 7 is arranged at the rear end of the sleeve 1, and the main rod 2 penetratesthrough a central hole of the pressing ring 7; the nuts 6 are arranged at the rear of the pressing ring 7, and external threads 8 matched with the nuts 6 are arranged at the rear end of the main rod;and airfoil plates 5 and the limiting baffles 4 are arranged on the main rod 2 at the front end of the pin shaft 3.

The invention relates to the technical field of transportation, in particular to a lateral shoring device for goods in a container and a method for reinforcing the goods in the container. The method for reinforcing the goods in the container utilizes the lateral shoring device. The lateral shoring device comprises vertical supporting beams arranged on the inner sides of the goods and telescopic shoring pieces for shoring the vertical supporting beams. The telescopic shoring pieces press the vertical supporting surfaces of the vertical supporting beams against the goods in the shoring state, and the telescopic shoring pieces can release pressing of the vertical supporting beams against the goods in the released state. The lateral shoring device focuses on force application in a wide range in the height direction of the goods, the vertical supporting beams in the lateral shoring device are supported by a container floor, so that the goods in the container can be stably fixed to be prevented from toppling; and due to the fact that the vertical supporting beams are components used for applying force on the goods and the telescopic shoring pieces are telescopic, the lateral shoring device is suitable for goods with various heights and thicknesses and can be repeatedly used.

The invention discloses a geotechnical engineering slope reinforcing device and reinforcing method. The device comprises a plurality of reinforcing columns arranged in a slope, a first connecting headis arranged at the upper end of each reinforcing column, a second connecting head is arranged at the lower end of each reinforcing column, one or more threaded connecting holes are formed in the sidewalls of the second connecting heads, a plurality of reinforcing rods are arranged in the slope, external threads matched with the threaded connecting holes are formed in one ends of the reinforcingrods, and the second connecting head of each reinforcing column is in threaded connection with at least one reinforcing rod; a third connecting head is arranged at one end, located outside the slope,of each reinforcing rod, and each third connecting head is connected with an adjacent first connecting head through a soil fixing inhaul cable; and each soil fixing inhaul cable is further connected with a plurality of transverse soil fixing strips arranged in the direction of the slope. According to the device and method, the landslide force generated locally by the slope is no longer mainly applied to a local position, below the landslide, of the reinforcing device, but the landslide force is dispersed on the whole reinforcing device, and the stress of the structure of the local reinforcingdevice is reduced.

The invention relates to a bracket of a solar power generation system. The bracket of the solar power generation system comprises a frame structure, wherein the bracket is made of a bar-shaped high strength rubber body, in addition, an elastic guy rope is also connected to the bracket, and a penetrating groove from top to bottom is formed in the guy rope. A rib is also additionally arranged on the outer wall of the high strength rubber body, so that the situations of serious corrosion and tendering are effectively avoided, in addition, sometimes, a support plane is irregular, and the situation because a benchmark point is difficult to keep stable under the action of external force, the device of the solar power generation system is capsized and damaged, is avoided.

The invention relates to a comprehensive purification treatment method for municipal riverway. The method comprises the following steps: 1, arranging a plurality of cofferdams in a river to divide theriverway into a plurality of desilting river sections; 2, draining the water body in each desilting river section into the adjacent desilting river section from the upstream of the riverway, excavating and removing silt in the riverway; 3, measuring the depth of the excavated and cleaned desilting river section, and laying a soil fixing layer at the bottom of the riverway; 4, arranging an aeration pipe in the soil fixing layer, and forming a plurality of aeration openings in the aeration pipe; 5, arranging a purification grid at a preset height away from the soil fixing layer; 6, dismantlingthe cofferdam located on the upstream, enabling the desilting river sections to be filled with water, and then arranging an ecological floating bed at the preset position of the desilting river section; and 7, repeating step 1 to step 6 until desilting treatment of the whole riverway is completed. The treatment method is high in desilting effect, high in water body purification treatment capacityand good in comprehensive treatment effect.

The invention relates to cutting forming equipment, in particular to circular wood block cutting forming equipment for machining. According to the circular wood block cutting forming equipment for machining, automatic cutting can be improved, the cutting precision is optimized, and waste is reduced. According to the technical scheme, the circular wood block cutting and forming equipment for machining comprises a base and a first supporting frame, and the first supporting frame is arranged at the top of the base; the workbench is arranged at the top of the first supporting frame; and the saw blade is rotationally arranged on one side of the workbench. Round wood is placed on a placing plate, a motor is started to cooperate with a reciprocating motion assembly to drive the placing plate to move leftwards, the placing plate and the round wood move leftwards to make contact with a saw blade rotating at a high speed, the saw blade cuts the round wood, and cut round wood blocks fall into a collecting assembly to be collected. The effects of improving automatic operation and saving manpower are achieved.

The invention relates to a cast-in-place concrete beam side formwork reinforcing system, and relates to the technical field of constructional engineering. The cast-in-place concrete beam side formwork reinforcing system comprises a pair of clamping rods arranged side by side, wherein control rods are arranged at the lower ends of the pair of clamping rods; the pair of control rods is arranged in a crossed mode and hinged through a hinge shaft; a driving mechanism located below the hinge shaft is arranged between the pair of control rods; and the driving mechanism is used for controlling the lower ends of the pair of control rods to get close to or away from each other. The cast-in-place concrete beam side formwork reinforcing system has the effect of ensuring the structural strength of a beam.

The invention discloses a geotechnical engineering slope reinforcing device. The reinforcing device comprises a reinforcing mounting layer and a nailing mechanism, wherein the reinforcing mounting layer comprises a protective net and a mounting base; the protective net is formed by connecting a plurality of fixing strips, and an assembling hole is formed in the joint of the fixing strips; the mounting base comprises a fixing seat and a mounting pipe; the fixing seat is fixedly connected to the assembling hole; the mounting pipe is connected to one side of the fixing seat; the diameter of the mounting pipe is consistent with that of the mounting hole; the nailing mechanism comprises a reinforcing nail and side nails; a feeding pipe is arranged in the reinforcing nail; inclined holes are formed in the side wall of the mounting pipe; the inclined holes are symmetrically formed in two sides of the mounting pipe; the side nails are fixedly mounted in the inclined holes; and a stop block is fixedly mounted at the end, which is close to the inside of the mounting pipe, of each side nail. By the geotechnical engineering slope reinforcing device, the integrity of the inside of a slope is improved, meanwhile, when landslide occurs, generated landslide force is dispersed through the device, and the stability and firmness of the whole slope are enhanced.

The invention discloses a transverse stability reinforcing device based on the hub motors and a semitrailer. The device comprises a stabilizing base, driving arms and supporting arms are rotatably connected to the two sides of the stabilizing base correspondingly, and the driving arms and the supporting arms are symmetrical about the stabilizing base; the driving arm is connected with the supporting arm through a supporting frame, a transmission mechanism is installed on one side of the supporting frame, and a telescopic rod is connected between the transmission mechanism and the stabilizing base. According to the invention, the problem that the semitrailer of the hub motor is inconvenient to support transversely, stably and reliably in the prior art is solved; the problems that a transverse mechanism of a hub motor semitrailer is buffered and damped, and reliable connection of a reinforcing device structure is inconvenient are solved, transverse stable and reliable supporting of the hub motor semitrailer is achieved, resonance generated in the vehicle running process is reduced, and firmness and safety between connecting pieces are improved.