56results about How to "Reduce lay length" patented technology

The invention discloses a non-contact rail traffic power supply system comprising the following parts: a plurality of segments of energy transmitting coils arranged on a ground rail in segments, wherein the length of each segment of the energy transmitting coil and the interval between two segments of energy transmitting coils are respectively equal to or bigger than a compartment length; a plurality of segmented hurl-slices switches corresponding to the energy transmitting coils one by one and used for controlling connection/disconnection between the energy transmitting coils and a traction power grid; a plurality of ground responders arranged on the ground rail in segments; a plurality of segments of energy pickup coils arranged in the compartment of the locomotive, wherein one end of the energy pickup coil is coupled to the energy transmitting coil, and the other end is connected with a traction motor via a high frequency rectifier; at a random moment in the locomotive running process, the coupling area sum between the energy pickup coil and the energy transmitting coil keep constant, i.e., the vehicle-mount energy pickup coil can obtain constant magnetic flux; the system also comprises a vehicle-mount requestor. The non-contact rail traffic power supply system can realize stable and smooth transition of the locomotive between different segments of the rail, thus ensuring the power supply stability and reliability.

This invention exposed a kind of configuration method of combined workshop that producing electrolytic aluminium. Placing the casting plane of liquid aluminium in foundry shops and operation plane of electrolytic workshop on the same plane, and then setting the corridor between them to connect them. This invention can combine two procedures, and make it integrated, shorten the transportation distance. It can reduce land usage and demand of transportation equipment, so to reduce infrustructure investment and operation cost.

The invention relates to a stranded welding wire hammering machine. The stranded welding wire hammering machine comprises a hammering machine base (3), wherein a mandrel (19) is installed in the center of the hammering machine base (3) in a penetrating manner, a big gear wheel (18) is arranged at the left end of the mandrel (19), a gear ring (9) is arranged on the periphery of the big gear wheel (18), a plurality of second bearing pedestal (7) are arranged on the periphery of the right side of the big gear wheel (18), one eccentric shaft (8) is installed on each second bearing pedestal (7) in a penetrating manner, one pinion (10) is arranged on each eccentric shaft (8), a plurality of limiting sliding grooves (20) are evenly formed in a left fixing plate (21) outwards along the center of the left fixing plate (21), one hammer forging die (15) and one transmission block (13) are arranged in each limiting sliding groove (20), one crank (11) is arranged at the left end of each eccentric shaft (8), and one end of each crank (11) is connected with the corresponding transmission block (13). The working efficiency of the stranded welding wire hammering machine is high, the phenomena that stranded welding wires are slub and have internal stress can be eliminated, and the ideal surface state of the stranded welding wires can be achieved.

This invention discloses a type of optical cable wiring system, including: a main optical cable, first optical cable connector box and optical cable fan-out disposed near a first user zone; a second optical cable connector box disposed at a distance from the first user zone and near a second user zone; and a single main adapter optical cable disposed between the first optical cable connector box and second optical cable connector box. An optical cable fan-out converts a single main adapter optical cable to multiple branch adapter optical cables. Multiple branch adapter optical cables are connected to the main optical cable via a first optical cable connector box; multiple first distribution optical cables for the purpose of connection to a first user zone are connected to a main optical cable via a first optical cable connector box; multiple first distribution optical cables for the purpose of connection to a second user zone are connected to a single main adapter optical cable via a second optical cable connector box. In this manner, it becomes unnecessary to lay multiple second distribution optical cables over long distances between the first user zone and second user zone, thus reducing the laying length of second distribution optical cables, reducing material and labour costs, and additionally improving municipal aesthetics.

The invention relates to a high pressure water supply method for the long and large tunnel in cold areas, belonging to the technical field of tunnel construction, solving the problems of high cost and long water leakage detection time existing in water supply method for the long and large tunnel in cold areas in prior art. The high pressure water supply method is characterized in that a sump pit is positioned two hundred to three hundred meters in front of the tunnel face; a piece of pumping equipment is used to transport water in the sump pit to the tunnel face by a water flowing pipeline in order to be used in construction; the depth of accumulated water in the sump pit should submerge the pumping equipment; the water volume per unit time flowing into the sump pit is more than the water volume of the pumping equipment; as the tunnel face propels forward, the old sump pit is abandoned after new sump pit is positioned in front. The high pressure water supply method for the long and large tunnel in cold areas has the advantages of saving pipeline laying length, particularly that the long and large tunnel has a large number, saving construction and winter heat insulation of pools and pipeline outside the tunnel, saving the expense of long distance maintenance of pipeline by work force and quickening construction speed in the tunnel.

The configuration method of boiler houses in alumina plant includes concentrating the boiler facilities in one end of the plant and arranged in one row, concentrating the coal supplying systems in the other end and arranged in one row, establishing one main coal conveying belt in the boiler facilities and the coal supplying systems, connecting the separated coal conveying belts in each boiler facility and each coal supplying system to the main coal conveying belt, and establishing one shared coal breaking station between the boiler facilities and the coal supplying systems. The present invention has reduced total production system area, reduced total road area, shortened pipeline, compact structure and other advantages.

The present invention discloses combined workshop configuration method with conveying belt way as link. The present invention has coal supplying system, boiler facility and salt melting furnace set laid in parallel and linked with conveying belt way, and the belt conveyers in the conveying belt ways complete coal conveyance to form complete production system. The present invention has compact configuration and saving in covered area, engineering investment and production running cost. The present invention is suitable for use in small alumina plant of annual output not more than 300 kilotons.

The invention provides a plugging-connection charging type lifting transverse-moving stereo garage comprising a lifting transverse-moving stereo garage body, a plugging-connection charging device anda charging control box. The plugging-connection charging device comprises charging plugs and a charging gun; the charging plugs comprise the first charging plugs, the second charging plugs and the third charging plugs; the first charging plugs are mounted on a second-layer vehicle carrying plate upwards; the second charging plugs are mounted on a garage frame downwards; the third charging plugs are mounted on a first-layer vehicle carrying plate; when the second-layer vehicle carrying plate falls or rises, the first charging plugs and the second charging plugs are separated or make contact, and accordingly a second-layer charging circuit is switched off or switched on; the second charging plugs and the third charging plugs are connected with the charging control box, the charging control box is connected with an external power source, and the first-layer charging circuit is switched on all the time. The charging type lifting transverse-moving stereo garage is simple and reliable in structure, the laying length and the laying number of cables are decreased while charging parking places are expanded, the charging cost is reduced, and an existing charging type lifting transverse-moving stereo garage is improved.

The invention belongs to the technical field of smoke detection in enclosed space and especially relates to an airplane smoke detection system suitable for enclosed space. According to the invention, an air extractor is used for extracting air from different enclosed spaces on an airplane through pipelines; the extracted air passes through an air filtration unit to remove impurities and foreign matter in the air and retaining smoke particles so as to reduce false-alarm of the system; the filtered air passes through a flow regulator so as to control air flow velocity within the optimum detection range of a smoke detector; the flow-velocity regulated air is conveyed into a detection cavity of the smoke detector through a pipeline; a sensing part is arranged inside the cavity to detect smoke in the air; the air inside the cavity is discharged out of the airplane through another exhaust pipe; and two electric connectors are arranged on the smoke detector. A first electric connector is connected to an airplane power supply; and a second electric connector is connected to an electromechanical management computer through a bus and is used for transmitting alarm, fault and detection information.

The invention relates to a magnetic suspension vacuum pipeline carrying system which comprises a vacuum pipeline, a first permanent magnet, a pipeline sealing door, a transport carrier, a second permanent magnet, a CD driver engine accelerator and/or a Gaussian accelerator. Under the repulsion effect of the first permanent magnet and the second permanent magnet, the transport carrier is suspended in the center of the vacuum pipeline, and the CD driver engine accelerator and/or the Gaussian accelerator accelerate the transport carrier to move. When the magnetic field position of the first permanent magnet is changed and/or the direction of the CD driver engine of the CD driver engine accelerator is changed, the transport carrier is decelerated; the system can be used for a high-speed transport system for civil use, can be used for warplane launching, missile and artillery launching for military use, and can be used for launching of spacecrafts and transportation of space station material supply in the field of space. The magnetic suspension vacuum pipeline and the accelerator are combined for use, continuous and uniform high-speed operation can be achieved, additional energy is not needed, the effects of increasing the speed and reducing energy consumption are achieved, and the system can be used in multiple directions.

The invention belongs to the smelting field, and in particular relates to a system and method for roasting siderite. Coal gas replaces common soft coal and is used as a fuel for roasting siderite. As the principal components of the coal gas are carbon monoxide and hydrogen, harmful gases such as sulfide are not generated in the roasting process, so that the environmental pollution can be reduced. The system comprises a belt sintering machine which comprises an ignition device and a trolley for conveying siderite. A fire spraying nozzle is arranged at the bottom of the ignition device which is located above the trolley. A gap is reserved between the ignition device and the trolley. The system further comprises a coal gas supplying device, an air supplying device and a mixing device. The coal gas supplying device is connected with the mixing device, the air supplying device is connected with the mixing device, and the mixing device is connected to the ignition device.

The configuration method of gas station and boiler room with belt conveyer corridor as connection bond includes: configuring coal supply system, boiler facility and coal gas facility in parallel, and connecting the belt conveyer corridor to the coal supply system, the boiler facility and the coal gas facility separately; and setting two belt conveyers in the belt conveyer corridor, including one connected to the coal supply system and the boiler facility and the other connected to the coal supply system and the coal gas facility. The present invention connects the coal supply system, the boiler facility and the coal gas facility integrally with the belt conveyer corridor, and has compact layout, one coal supply system decreased, saving in covered area and low cost.

The invention discloses a magnetomotive rapid transportation system, which comprises a track, a walking vehicle and a magnetic driving device, and the track is provided with a plurality of driving sections and at least one inertia section, and any two driving sections are connected through one inertia section; the walking vehicle comprises a bogie and a consignment plate mounted on the bogie, andthe bogie runs on the rail; the magnetic force driving device comprises a first driving piece installed on the driving section and a second driving piece installed on the bogie, and magnetic force isgenerated between the second driving piece and the first driving piece so as to drive the walking vehicle to move along the rail. According to the technical scheme, the structures of the walking vehicle and the track are simplified, the maintenance cost is reduced, and meanwhile the effects of saving resources and energy are achieved.

The invention provides a mixing line, and belongs to the technical field of machinery. The mixing line comprises a rack, a forage scattering mechanism, a main conveying belt arranged on the rack, a mixing mechanism and an auxiliary material scattering mechanism, the mixing mechanism and the auxiliary material scattering mechanism are both arranged on the main conveying belt, the main conveying belt is composed of a horizontal section and an inclined section, the horizontal section and the inclined section are continuously distributed in the conveying direction of the main conveying belt, and the inclined section is arranged obliquely upwards relative to the horizontal section; and the forage scattering mechanism is arranged on one side of the horizontal section, the forage scattering mechanism, the auxiliary material scattering mechanism and the mixing mechanism are sequentially distributed in the conveying direction of the main conveying belt, discharge ports of the forage scatteringmechanism and the auxiliary material scattering mechanism are respectively positioned right above the horizontal section belt surface and the inclined section belt surface, the mixing mechanism is arranged on the inclined section, a second side conveying belt which is obliquely arranged upwards is further arranged on the rack, the second side conveying belt and the forage scattering mechanism arelocated on the same side, and the second side conveying belt can convey auxiliary materials to a feeding port of the auxiliary material scattering mechanism. The mixing line is short in length.

The invention provides a tunnel excavating longitudinal shunting method based on a soft rock bottom plate. Bottom protrusion of an existing soft rock bottom channel is effectively reduced to improve channel excavating rate and save shunting space, and parallel operation in a transportation section in the tunnel excavating process is achieved so that excavating replacement can be normally conductedto improve the production capability of a mine shaft. The method belongs to the technical field of mining engineering projects.

The invention relates to sliding equipment. The sliding equipment comprises a slideway and at least one tackle, the slideway comprises two rails which are parallel to each other, and rail sliding grooves are formed in the opposite sides of the two rails respectively. The rail is divided into a starting section and a stopping section, a brake plate is arranged on the stopping section, the tackle isused in cooperation with the slideway, two sets of wheels of the tackle are rotationally arranged on the two sides of the bottom of the tackle body respectively, and a friction plate is located between the two sets of wheels and fixedly connected with the bottom face of the tackle body. The wheels are located in the rails and can roll along the rails. When the tackle runs to the stopping section,the upper surface of the brake plate abuts against the bottom face of the friction plate. The end, away from the starting section, of the track of the stopping section is provided with an opening section with the open top, and the included angle b between the rear end of the rubber steel wire layer and the ground is 25-40 degrees. The invention has the advantages of lower requirement on natural field, quickness, simplicity and convenience in installation, adjustable length, safety and reliability in operation, labor saving, short stop section, low cost and the like.