34results about How to "Raise the elevation" patented technology

A sprinkler stand for holding an oscillating sprinkler in an elevated and generally vertical orientation to provide a desired sprinkler coverage pattern, wherein a sprinkler holder holds a sprinkler, a frame elevates and supports the sprinkler holder, and a base supports the frame. Preferably, the sprinkler holder includes two tracks for engaging base members of a sprinkler, wherein the tracks allow for the repositioning of the sprinkler so as to vary the sprinkler elevation, the height of the sprinkler holder is adjustable by moving the holder along the frame, or by adding a frame extender to the frame, and the sprinkler holder may be rotated, or the frame rotatably or angularly adjusted to achieve a desired sprinkler orientation.

The invention provides an oil extraction and slag removal method and system for a vertical tar-ammonia water separating process. The system comprises a mechanical slag scrapping tank, a tar-ammonia water separating tank used for receiving a mixture of tar, ammonia water and small-granule tar slag obtained in primary separation, a tar slag pump used for extracting the small-granule tar slag and the tar at the bottom of the tar-ammonia water separating tank, a secondary slag removal apparatus used for receiving the small-granule tar slag and the tar extracted from the bottom of the tar-ammonia water separating tank through the tar slag pump and carrying out secondary separation on the small-granule tar slag and the tar, a tar slag bucket used for receiving large granule tar slag obtained in primary separation and small-granule tar slag obtained in secondary separation and a tar intermediate tank used for receiving tar discharged from the secondary slag removal apparatus and having undergone secondary separation. The system has the advantages of convenience in extraction of the tar, good tar slag removal effects and capacity of thorough discharge of the small-granule tar slag from the system, so blockage of the system is avoided and production of the system is continuous and stable.

A surveillance system for detecting targets comprises a radar antenna mounted on a blade of a windmill.

The invention discloses a continuous girder with rigid structure of a portal pier, which belongs to the technical field of bridges. It comprises a rigid frame continuous beam (1) and a portal pier cap beam (2) arranged at the lower part of the rigid frame continuous beam (1), and is characterized in that: At the junction of (2), the rigid frame continuous beam (1) is embedded in the portal pier cap beam (2). The invention can reduce the vertical space occupied by the cover beam and the continuous rigid structure, ensure the limit requirement of the railway, ensure the safety of driving, reduce the consumption of concrete and steel bars, and save the cost.

The invention relates to a hydropower station ground plant tail water outlet structure which comprises a tail water pipe connected with a hydraulic turbine set. The tail end of the tail water pipe is provided with a tail water pressure pond which is a pond with the opened top and the closed bottom and side faces, the tail water pressure pond is communicated with the tail water pipe, and the top of the tail water pressure pond is provided with an overflow opening capable of draining tail water in the tail water pressure pond downstream; and the overflow face elevation of the overflow opening is lower than the downstream maximum flood control water level and is higher than the downstream design tail water level. The hydropower station ground plant tail water outlet structure is feasible in technology, simple in structure, reliable in running, suitable for hydropower stations with large tail water level variation amplitude and without needs for sufficiently using the lowest tail water level.

The invention discloses a constructing method for a continuous bearing layer of a super long socketed pile in a bead-like karst area. The constructing method comprises the following steps that S1, thedesign elevation of each pile is optimized and determined through detailed exploration of one pile with multiple holes; S2, a plurality of vertical steel pipes is evenly pre-embedded on each pile body along the pile circumference; S3, the bottom of each pile is subjected to core-taking and additional exploration by using steel pipe passages, and whether soft layers are at the bottom of each pileor not and the specific distribution of the soft layers are determined combined with the detailed exploration; S4, cutting, broaching and cleaning of the soft layers are completed in the force bearingrange of the bottoms of the piles; S5, the soft layers in the force bearing range of the bottoms of the piles are replaced; S6, orifice slurry supplying is performed; and S7, orifice shut-off pressure grouting is performed. By the thought and method that the continuous bearing layer is actively introduced and constructed at the bottoms of the piles in the design process, the selection range of the elevation of the bearing layer of the pile ends is expanded, the design is effectively optimized, and the designed pile length is shortened; and through the integrated process such as high pressurecutting, cleaning and double fluid grouting, the continuous bearing layer is formed, and the potential quality safety hazards of the socketed pile bottom are actively eliminated.

The invention discloses a supporting structure for rock roadbed heightening and a construction method. The structure comprises a rock roadbed, prestressed anchor cables, a connecting rod, a wall panel, a connecting rod and geogrids. The prestressed anchor cables are obliquely arranged in the rock roadbed, the wall panel is arranged at the top of a cantilever type retaining wall and connected withthe cantilever type retaining wall through the connecting rod; a plurality of layers of the geogrids and fillers are arranged on the rock roadbed on the inner side of the wall panel to form a heightened roadbed. The shear resistance and rigidity of the cantilever type retaining wall can be effectively improved by installing the prestressed anchor cables, so that the deformation of the vertical wall is effectively reduced, and the stability and the normal use of the cantilever type retaining wall are ensured. The mounting of the wall panel can effectively improve the use height of the cantilever type retaining wall, and can ensure the stability of the plurality of layers of the geogrids. The prestressed anchor cables and the geogrids belong to flexible structures and are high in shock resistance, an existing cantilever type retaining wall is not dismounted, and thus the manufacturing cost is reduced.

The invention relates to a method for transforming an old residential community building ground floor and an outdoor terrace into an underground garage. The problem that old residential community underground spaces are not utilized while parking is difficult is solved. According to the method, the old building original ground floor is reinforced and transformed, the outdoor terrace is elevated tothe position corresponding a ceiling of the ground floor, and the original building ground floor and the original outdoor terrace are transformed into the underground garage, and an elevated new outdoor terrace is used for greening and building resident activity places. According to the method provided by the invention, ground parking by utilizing every single space is transformed into well-planned underground parking, parking conditions are improved for a community, and the living environment and quality of residents are greatly improved; one more storey can be additionally arranged at the building top on the basis of an original building for resettling the residents living on the original building ground floor, and meanwhile, an outdoor elevator can be additionally arranged for meeting resident living daily demands; and the residents can be also resettled in other places if the building fails to meet storey adding conditions.

The invention relates to the technical field of silt deposition treatment, in particular to a reservoir silt configuration method. The reservoir silt configuration method is characterized in that silt is treated on site, and the cleaned deposited silt is used for building a trapezoidal revetment, so that the silt deposition amount of a reservoir area is reduced, the elevation and the water storage capacity of the reservoir area are increased, and the situation that the water storage performance of a reservoir is greatly reduced due to the silt deposition problem is avoided; the cleaned silt can be used for building a wetland and a farmland land in the area outside the trapezoidal revetment, the surrounding ecological environment is improved, the habitat of birds and fishes is increased, and development of a wetland ecological system is facilitated.

The invention discloses a jacking construction method for a prefabricated frame with an inversely arranged oil top on a variable ramp. The method comprises the following steps: arranging a weak transition section at a gradient change point, namely breaking a concrete slide way to form a weak section of a soil foundation; inversely arranging the oil top at one end of the prefabricated frame, arranging a rear seat of the oil top in a mode of backing on the prefabricated frame, connecting a piston column of the oil top with a force transfer member bar on the back, applying jacking force to the back through the oil top, and enabling the rear seat of the oil top to push the prefabricated frame to move forward for jacking; and jacking the prefabricated frame, dismounting the force transfer member bar, performing following up pouring on step type concrete rear seats, mounting the force transfer member bar, jacking the prefabricated frame, dismounting the force transfer member bar, performing following up pouring on step type concrete rear seats, mounting the force transfer member bar, continuing to jack, and executing the processes circularly until the prefabricated frame is jacked in place according to the design. The jacking construction method for the prefabricated frame with the inversely arranged oil top on the variable ramp, disclosed by the invention, can be used for ensuring continuous and stable jacking construction of the prefabricated frame on the variable ramp.

The invention relates to a hoisting method of a steel truss arch rod piece, specifically a construction method of hoisting the steel truss arch rod piece by using a high and low shoulder pole beam through a narrow final closure. The method has the characteristics that a high and low shoulder pole beam system is formed before hoisting, the rod piece is placed at the outside of the projection of a steel truss arch on a site; the shoulder pole beam is the high and low shoulder pole beam formed by hanging belts with different length; the higher side of the shoulder pole beam penetrates through a narrow space firstly when passing through the narrow space, then stepped hoisting is carried out, so that a hoisting system is enabled to pass through the narrow space. According to the construction method of hoisting the steel truss arch rod piece by using the high and low shoulder pole beam through the narrow final closure, the situation that lifting appliances are excessively close to each otherwhen the rod piece is undergoing angle adjusting in the narrow space is avoided, so that the collision of the lifting appliances due to wind disturbance is avoided.

The invention provides a tunnel-strode support large-span stand column device. The device comprises multiple stand column cast-in-place pile, multiple stand column latticed columns, multiple latticedcolumn caps, a concrete support, multiple stranded wires and multiple support anchor plates; the lower parts of the stand column latticed columns are fixedly connected with the upper parts of the stand column cast-in-place piles; the latticed column caps are fixed at the tops of the stand column latticed columns; the stranded wires penetrate through the latticed column caps, and two ends are positioned on two sides of the stand column latticed columns; the concrete support is horizontally arranged; the support anchor plates are arranged under the concrete support; and the two ends of the stranded wires penetrate through the concrete support, and are fixedly connected with the support anchor plates. The device has the following advantages: gaps of stand column pipes are increased to avoid from an underground tunnel to be constructed under a foundation pit bottom; the top elevations of the stand column latticed columns are increased; and the support above the tunnel to be constructed issuspended through the steel strands and the anchor plates to achieve the purpose of not constructing stand column piles in the area of the tunnel to be constructed, and the difficulty of difficult arrangement of the stand column piles after excavation of the deep foundation pit above the tunnel to be constructed is solved.