38results about How to "Realize modular construction" patented technology

The invention discloses a parametric modeling method of a finite element model of a launch vehicle structure, belonging to the technical field of aerospace. The realization method of the invention comprises defining a rocket coordinate system, establishing a model material database according to a model material table, and establishing a lumped mass-beam or a lumped mass-shell finite element modelof acore stage and a booster structure section according to the model data table; establishing a lumped mass-beam model fo the effective load on the basis of the core stage finite element model, through the establishment of the finite element model of the binding connection structure, connecting the finite element model of the core stage including the payload model and the finite element model ofthe booster structure to establish the finite element model of the rocket structure excluding the engine, and realizing the parametric modeling of the finite element model of the launch vehicle structure by establishing the mass center position and thrust acting point models of the core stage and the booster engine. The method of the invention contributes to the rapid design of the rocket structure and the optimization design of the structural parameters, and further solves the technical problems related to the rocket dynamics field.

The invention discloses a mixed soil extruded and cured precast pile for soft foundation treatment as well as a construction method. Foundation soil is connected with drill holes which are connected with mixed soil extruded and cured precast pile bodies, the mixed soil extruded and cured precast pile bodies are connected with cement mortar through a central hole, and the cement mortar is connected with a seamless steel pipe which is connected with a grouting pipe. The construction method comprises the following steps: A, a vibrating pipe-sunk pile machine is adopted for hole forming; B, the mixed soil extruded and cured precast pile bodies are placed; C, the seamless steel pipe is placed, and a vibrating sunk pipe is pulled out; D, grouting is performed: the a seamless steel pipe is connected with the grouting pipe, pressure cement mortar is grouted into the seamless steel pipe, and the seamless steel pipe and the precast pile bodies form the integral mixed soil extruded and cured precast pile after mortar curing; E, integral construction is performed. The mixed soil pile is precast by waste construction waste and common clay, the manufacture is convenient and fast, the quality is reliable, the transport cost is reduced, modular piling construction is efficient and convenient, and the integral bearing capacity of a foundation is improved effectively.

The invention discloses a machine room air conditioner control system, a machine room system and a control method of the machine room system. The control system comprises an integrated controller (20), a distributed controller (22), a water chilling unit (30) and external equipment (40), wherein the integrated controller (20) is used for controlling operation of the water chilling unit (30), and the distributed controller (22) is matched with the water chilling unit (30) and the external equipment (40) and used for controlling operation of the external equipment (40) of the water chilling unit (30) on the basis of the operation logic of the water chilling unit (30). According to the scheme, the defects that in the prior art, the number of functions is small, the failure rate is high and the stability is poor can be overcome, and the beneficial effects that the number of functions is large, the failure rate is low and the stability is good are achieved.

The invention discloses a whole-dry type system for producing oil and gas in water and a working method of the whole-dry type system for producing oil and gas in water. The system comprises a functional unit, a water platform, a water wellhead, a seabed wellhead, a rigid vertical pipe and a tension mooring rope, wherein the functional unit is fixedly mounted on the water platform and comprises a type-a unit and six type-b units; the type-a unit is a dry-type oil extraction and reinjection unit; each type-b unit is fan-shaped on the horizontal plane; and the six type-b units surround the periphery of the type-a unit and are a dry-type collecting unit, a dry-type separating unit, a dry-type pressurizing unit, a dry-type moisture compressing unit, a dry-type storage unit and a dry-type control unit respectively. Compared with a dry-type Christmas tree in water, the whole-dry type system for producing oil and gas in water has the advantages that the shapes and the designs of watertight compartments of the various dry-type units are simple, the watertight compartments are easy to construct and easy to assemble, modular construction, mounting and repair can be realized effectively, meanwhile, rational distribution on the water platform is facilitated, space of the platform is utilized fully, and stability and effectiveness of development of oil-gas fields are improved.

The invention discloses a quick-unfolding ammunition storage tent which comprises a first tent body with an opening in one end in the length direction. The first tent body comprises an outer tent bodyand an inner tent body which are detachably connected, the outer tent body and the inner tent body are matched in shape and size, air ribs integrated with the outer tent body are arranged between theouter tent body and the inner tent body, the air ribs are provided with inflation inlets, and the two ends of each air rib are each provided with fixing blocks; the outer tent body of the first tentbody is further provided with a first door curtain used for sealing the opening in the first tent body, and the outer side of the outer tent body of the first tent body is further detachably covered with an explosion-proof layer; and the quick-unfolding ammunition storage tent further comprises basin-shaped base cloth, and the base cloth is detachably connected with the inner tent body of the first tent body. The quick-unfolding ammunition storage tent is easy and convenient to install, modular construction is achieved, reliability is high, safety is high, the structure is simple, transportation is convenient, and the quick-unfolding ammunition storage tent is suitable for ammunition storage.

The invention discloses a converter unit and a bipolar converter system. The converter unit comprises a control module and three power modules, the power module comprises a box body and two layers ofpower modules installed in the box body, and each layer of power module is composed of a plurality of power units arranged in cascade; a first terminal of an upper bridge arm and a first terminal of alower bridge arm are connected with alternating current on one phase in a three-phase high voltage transmission system to network a same-phase alternating current circuit; a second terminal of the upper bridge arm and a second terminal of the lower bridge arm are connected with a direct current transmission bus; the control module comprises a valve controller, and the valve controller is respectively connected with the upper bridge arms and the lower bridge arms of the three power modules to drive the power units in the upper bridge arms and the lower bridge arms to work so as to perform an electrical energy conversion operation between the three-phase alternating current and the high voltage direct current in the three-phase high voltage transmission system. Modular construction of the MMC converter valve can be realized by adopting the technical solution.

The former (1) has a homogenizing device with a set of passage holes that are limited by a flow guiding wall, where the former has a larger stream width compared to stream depth (t) for producing a flat water flow volume. A flow guide (6) is provided upstream or downstream and narrows in a partial area in a flow direction. The flow guide has edge areas (7, 8) with a larger flow cross section relative to a longitudinal middle area (9), where the edge areas extend in both sides of the guide in a longitudinally extending manner.

The invention discloses a river slope greening process. The river slope greening process comprises the following sequential steps that step 1, a river slope is excavated inwards for 40-60 cm, and an excavation face is flattened; step 2, an evaporation layer is laid at the upper end of the side slope, and the evaporation layer is of a porous structure; columnar water-absorbing sponge is laid on theexcavation face; the columnar water-absorbing sponge is provided with a metal or hard plastic framework to keep the shape of the columnar water-absorbing sponge; and the periphery of the columnar water-absorbing sponge is coated with a barrel-shaped hardboard; step 3, a plurality of anchor rods are evenly inserted into the excavation face; step 4, grid type concrete ribs are poured on the excavation face, and the grid type concrete ribs and the anchor rods are poured into a whole or locked; step 5, soil is backfilled in grids formed by the grid type concrete ribs to half depth of the grids; and step 6, grass boxes where green grass is planted in advance are inserted into the grids formed by the grid type concrete ribs, the widths of the grass boxes are slightly smaller than that of the grids, and the heights are about half of the depths of the grids.

An external door handle assembly (1) of a motor vehicle has a handle support (3) that is fastened to the inner side (4) of a door of the motor vehicle; a handle member (12) which can be supported by the handle support (3) in a swinging manner; and a groove housing (5), wherein the groove housing can be installed in such a manner that the groove housing penetrates through a door assembly (8) from the outer side (6) of the door, and the groove housing can extend to the handle support (3) under the installation state. A solution is created for the external door handle assembly, the better external door handle assembly is provided through the solution, and through the solution, the aeroacoustics of the external door handle assembly is in accord with the growing comfort sense of a vehicle driver and a user, which is realized in the following way. A housing element (11) which can be arranged on the handle support (3) and form a cover shape is provided, the housing element (11) forms an operation space (17) together with the handle support (3) and the groove housing (5), the operation space can be contacted from the outer side (6) of the door and is tightly sealed towards the e inner side (4) of the door, and the handle member (12) operated at the outer side (6) of the door can be arranged in the operation space when the external door handle assembly (1) is in a assembling state.

The invention discloses a hanger platform for T-shaped beam maintenance and reinforcement. The hanger platform comprises a platform fixing device and a working platform. The platform fixing device isarranged on a T-shaped beam in an assembled mode. The working platform comprises a plurality of hanger sets, and all the hanger sets are arranged at intervals in the longitudinal direction of a bridge. Each hanger set comprises two vertically-arranged hangers which are arranged in a spaced mode in the transverse direction of the bridge. The tops of the hangers are detachably connected to the platform fixing device. A rectangular frame is detachably arranged between every two adjacent hanger sets, and a passage for allowing a maintainer to pass through is formed between each rectangular frame and the platform fixing device. All the rectangular frames are located in the same horizontal face. By adopting modular construction, the construction time for platform erecting is short, the construction technology is simple, operation is easy, and safety of a constructor can be ensured.

The invention relates to a switching arrangement for use in gas-insulated or vacuum-insulated switchgear assemblies, comprising a drive module (6) that closes or opens electrical contacts and a base carrier module (1, 1') on which individual contact modules (2) are arranged. In view of the aim to provide a compact electromechanical switching arrangement that can be scaled and configured unproblematically using as few components as possible such that said switching arrangement is suitable for a plurality of applications, the invention is characterized in that the individual contact modules (2) are identical in construction.