66results about How to "Guaranteed reinforcement" patented technology

The invention discloses a method using surface orientation bedding drilling grouting to reinforce laminar limestone. The method includes: performing surface drilling until a suspected water outlet point is reached, performing drilling grouting, wherein drilled holes include a main hole and branch holes, the main hole is provided with a straight hole section and an oriented bedding section, an oriented slanting-guide section is further arranged between the straight hole section and the oriented bedding section, and the branch holes include primary branch holes and secondary branch holes; a water-bearing stratum is modified through the drilling grouting, grouting pressure is 1.5-3.5 times of the hydrostatic pressure of a to-be-grouted point, grouting termination pressure is 3.5-4 times of the hydrostatic pressure, and the lime-cement-flyash water-bearing stratum is transformed into a water-resisting layer to resist lime, cement and flyash and water of the water-bearing stratum below the lime, cement and flyash. By the method, hidden water guide channels are blocked, a base Ordovician limestone karst powerful water source is blocked, and safety of deep exploitation is guaranteed.

The invention relates to a medium strength aluminium alloy wire with conductivity of 55% IACS, and a preparation method thereof, and belongs to the field of alloy manufacturing technology. The alloy elements comprise, by weight, 0.16%-0.22% of iron, 0.48%-0.54% of silicon, 0.62%-0.67% of magnesium, 0.01%-0.02% of boron and 0.02%-0.05% of ytterbium, with the balance being aluminium. The medium strength aluminium alloy wire with a product conductivity higher than or equal to 55% IACS and tensile strength higher than or equal to 315 MPa is obtained by processes of selecting materials, smelting liquid aluminium, adjusting liquid aluminium ingredients, carrying out purifying treatment, deslagging, standing with heat preservation, degassing, filtering with heat preservation, casting and crystallizing, rolling an aluminum rod, drawing and aging. The wire and cable produced by using the aluminium alloy can be erected continuously by a conventional construction process. In a circuit operation process, circuit loss can be reduced; construction fee can be reduced; and enormous economic benefits and social benefits can be brought about for power transmission and transformation industries.

The invention provides a crossed reinforcing device for a power transmission tower. The crossed reinforcing device comprises reinforcing pieces and a plurality of pairs of external clamping pieces. The reinforcing pieces correspond to angle steel main materials of the power transmission tower, and the reinforcing pieces and the angle steel main materials are arranged oppositely on the outer cornersides of the angle steel main materials to form crossed structures for reinforcing of the power transmission tower. Each pair of external clamping pieces is arranged in two connecting spaces betweenthe outer corner side of the corresponding reinforcing piece and the outer corner side of the corresponding angle steel main material for fixing the reinforcing piece to the angle steel main material.According to the crossed reinforcing device, reinforcing of the reinforcing pieces to the angle steel main materials is ensured, and the influence of original inclined materials / transverse partitionmaterials is skillfully avoided, thus the reinforcing pieces and the angle steel main materials are closely attached, the using performance of the power transmission tower is not affected, construction operation is convenient, the power transmission tower does not need to be punched, welded or detached, damage of punching and welding to the performance of the power transmission tower, especially the strength of the angle steel main materials, is avoided, the accidents such as collapse of the angle steel main materials are prevented, and meanwhile, the difficulty of altitude operation of operators on the power transmission tower is reduced.

The invention discloses a 6-series aluminum alloy and a processing method thereof. The 6-series aluminum alloy includes: magnesium (Mg): 0.6-1.0 wt%; silicon (Mg): 0.4-0.8 wt%; manganese (Mn): ≤0.04 wt%; Titanium (Ti): ≤0.04 wt%; Iron (Fe): ≤0.10 wt%; Copper (Cu): ≤0.05 wt%; Chromium (Cr): ≤0.01 wt%; ) and unavoidable impurities. The invention optimizes the components of the 6 series aluminum alloy and controls the processing technology, so that the size and distribution of the intermetallic compounds are better controlled, and finally the material has a better anodic oxidation effect.

The invention relates to a soft ground quick solidifying method, which comprises following steps: 1, vacuum pre-compress discharging water and solidifying the soft ground for 30 days to reach more than 70% of solidify degree;, b, removing the vacuum pre-compress sealing film, to process power solidifying treatment as compressing, etc. the invention combines the vacuum pre-compress water discharge solidifying method and the power solidify method, to improve the efficiency, reduce the cost and time as 1 / 3-3 / 2 reduced time of before. It can be used in non-sand ventilating layer of soft ground and the sand-interlayer ventilating layer.

The invention discloses a specially-shaped plate crossbeam bridge steel spring supporting and jacking active reinforcing construction method. The method includes the steps that S101, an n-shaped steelbent cap is additionally arranged on the two sides of a first pier column; S102, the two ends on the n-shaped steel bent cap are each provided with a force measurement adjustable basin type rubber support; and S103, a synchronous hydraulic jacking system is adopted for supporting and jacking a crossbeam and the n-shaped steel bent cap, and the n-shaped steel bent cap elastically deforms; and theforce measurement adjustable basin type rubber supports are adjusted, so that the upper portions and the lower portions of the force measurement adjustable basin type rubber supports are tightly attached to the middle crossbeam and the n-shaped steel bent cap, the force measurement adjustable basin type rubber supports are locked, and supporting and jacking force can be transmitted to the middle crossbeam through the force measurement adjustable basin type rubber supports. A single-point supporting structure of an original bridge is converted into a three-point supporting structure through steel spring supporting and jacking, the shear force and the pressure borne by the pier column are jointly borne through three positions, the problem that the middle crossbeam is insufficient in shear capacity is solved, the service life of a bridge is prolonged, and the safety of the bridge is guaranteed.

The present invention relates to an osteosynthesis device which is used, in particular, for securing joint fragments and for the temporary splinting of toes, more particularly for treating hammer toes or other malalignments of toes. The device comprises a pin (1) with the centre axis (2) and the length L, the pin consisting largely of a bioresorbable material. The pin (1) has at least in one section of the length L a non-circular cross-section (3) that is orthogonal to the centre axis (2) and has a radius of curvature.

The invention discloses an integrated adjustable scaffold for high side slope construction. The integrated adjustable scaffold comprises pre-buried parts, door-type frames, cross rods, X-shaped rods and operation tables, the door-type frames comprise vertical rods and fixed cross rods, vertical rod sliding ways are arranged on the upper portions of the vertical rods, the cross rods are matched with the vertical rod sliding ways in a matched manner through bolts, cross rod sliding ways are arranged on the cross rods, at least one of two ends of each cross rod is matched with the corresponding cross rod sliding way in a matched manner, each operation table is placed on the cross rods of two sides, each X-shaped rod comprises two inclined rods with same length, the two inclined rods are hinged at midpoints each other, the inclined rods are connected with the vertical rod sliding ways in a matched manner through bolts, sleeves with bottom sliding ways are arranged on the pre-buried parts,and the lower portions of the vertical rods are inserted into the sleeves in a matched manner and connected with the bottom sliding ways in a matched manner through bolts. The stable operation tablesare formed by the scaffold form, installation efficiency is improved, and installation requirements of any high side slopes are met.

The invention relates to a medium strength aluminium alloy wire with conductivity of 55% IACS, and a preparation method thereof, and belongs to the field of alloy manufacturing technology. The alloy elements comprise, by weight, 0.16%-0.22% of iron, 0.48%-0.54% of silicon, 0.62%-0.67% of magnesium, 0.01%-0.02% of boron and 0.02%-0.05% of ytterbium, with the balance being aluminium. The medium strength aluminium alloy wire with a product conductivity higher than or equal to 55% IACS and tensile strength higher than or equal to 315 MPa is obtained by processes of selecting materials, smelting liquid aluminium, adjusting liquid aluminium ingredients, carrying out purifying treatment, deslagging, standing with heat preservation, degassing, filtering with heat preservation, casting and crystallizing, rolling an aluminum rod, drawing and aging. The wire and cable produced by using the aluminium alloy can be erected continuously by a conventional construction process. In a circuit operation process, circuit loss can be reduced; construction fee can be reduced; and enormous economic benefits and social benefits can be brought about for power transmission and transformation industries.

The invention discloses a high-pressure water jet device based on welding residual stress regulation and control and a using method thereof. The water jet device comprises a machine body, a nozzle system, a high-pressure generation system, a pressure transmitter and a computer. The machine body comprises a base, a stand column and a workbench, the stand column is vertically fixed to one side of the base, and the workbench is arranged above the base. The nozzle system is arranged on one side of the stand column through a nozzle fixing table and located above the workbench, the nozzle system is connected with the high-pressure generation system through a pipeline, and the pressure transmitter is connected with the computer. A surface pressure detection assembly is arranged above the workbench, and a nozzle inlet pressure detection assembly is arranged at the water inlet end of the nozzle system. According to the device, the pressure detection assembly is arranged to detect and collect the actual water jet impact pressure borne by a welding component, the water jet axis dynamic pressure at the inlet position of a nozzle and the water jet pressure of the high-pressure generation system, and the water jet pressure can be adjusted in time according to detection data.

The invention discloses a laser shock peening device of an airplane blade tenon. The laser shock peening device comprises a workpiece clamp, a tool, a first mechanical arm and a laser device. The workpiece clamp is used for clamping of a to-be-strengthened airplane blade. The tool is transparent, a cooperation portion of the tool is matched with the airplane blade tenon, and after absorption paintis sprayed to the to-be-strengthened airplane blade tenon, the tool is mounted on the airplane blade tenon. The first mechanical arm is used for driving the workpiece clamp. A laser head of the laserdevice is used for laser shock peening of the airplane blade tenon. Based on the laser shock peening device, the strengthening effect can be guaranteed easily.

The invention relates to an assembly type building external wall PC component top cast-in-place portion side mold detachable reinforcing component. The assembly type building external wall PC component top cast-in-place portion side mold detachable reinforcing component comprises a superimposition plate, an external wall PC component and a connection steel bar, wherein the external wall PC component is located on one side of the superimposition plate and is connected with the superimposition plate, the connection steel bar is located inside the external wall PC component, the assembly type building external wall PC component top cast-in-place portion side mold detachable reinforcing component further comprises a side mold and a side mold reinforcing device, the side mold is arranged on theexternal wall PC component through the side mold reinforcing device, the side mold reinforcing device comprises a connection sleeve, reinforcing back ribs, a connection plate, a pad block, a reinforcing nut and a screw rod, the connection sleeve is fixedly arranged on the external wall PC component and is provided with a threaded hole corresponding to the screw rod, the number of the reinforcingback ribs is two, the two reinforcing back ribs are connected through the connection plate, and the separation distance between the two reinforcing back ribs is a gap capable of allowing the screw rodto penetrate through. According to the assembly type building external wall PC component top cast-in-place portion side mold detachable reinforcing component, by means of the manner that the outer side of the side mold is designed and configurated with a reinforcing device component, an opposite-pulling reinforcing principle is utilized, and external wall PC component top cast-in-place portion side mold single-side effective reinforcing is realized.

The invention relates to a hook-type shot blasting machine, which includes a cleaning room, an electric control system, a dust collector, a separator, a hoist, a shot feeding system, a switch type shot blasting door, and a screw conveying system. hook turntable mechanism and two shot blasters, the screw conveying system is located in the lower part of the cleaning room, a lifter is provided on the side of the cleaning room, and a separator is provided on the side of the lifter, and the separator passes through the airtight The pipeline is connected with the dust collector. A shot feeding system is installed on one side of the hook turntable mechanism. The switch type shot blasting door is set under the shot feeding system. The other side of the mechanism is equipped with a noise reduction safety guard.

The invention discloses a horizontal soil reinforcement method for a subway open-cut foundation pit. The specific steps of the horizontal soil reinforcement method for a subway open-cut foundation pit are as follows: S1: construction of drainage facilities, S2: removal of obstacles at the bottom of the open-cut foundation pit Object, S3: Ramping the foundation pit foundation, S4: Surveying and mapping of the width and depth of the foundation pit, S5: Stock preparation for reinforcing steel bars, S6: Pouring reinforced concrete, S7: Surveying and mapping the reinforced concrete surface formed in the step S6 again, S8: Construction of piles, S9: construction of superstructure, the present invention first constructs drainage facilities, prevents excessive water accumulation, ensures unobstructed foundation pit, reduces construction difficulty, adopts high-pressure jet grouting, high work efficiency, and through vibration The stick removes the residual air bubbles in the concrete in time, improves the quality of concrete pouring, and ensures the reinforcement of the foundation pit. In the surveying and mapping of the width and depth of the foundation pit, at least 3 surveys and mappings are carried out, and the final value is the average value of the 3 surveys to ensure that the surveying and mapping the accuracy of the results.