36results about How to "Reduce the difficulty of coordination" patented technology

The invention relates to an overall control system for trams and a control method thereof. The control system comprises an operation dispatching and commanding system, a positive line signal control system, a comprehensive vehicle-mounted information system and an intersection priority control system, wherein the operation dispatching and commanding system is used for controlling the operation of all lines, the positive line signal control system is used for carrying out interlock control on the trams at terminals and positive line branch stops, the comprehensive vehicle-mounted information system is used for sending real-time positioning and advancing route request signals, and the intersection priority control system is used for controlling the trams at intersections; the control method comprises the step of controlling a manually-confirmed control mode, a manual remotely-controlled control mode, a centralized automatic control mode and a tram-ground automatic control mode, of which the priority levels decrease sequentially. According to the control system and the control method, aiming at the complicated operating environment of the trams, all modules collaboratively complete adapted control modes through a communication system, the switchover of all the control modes is convenient, and the automatic and intelligent level is high, so that the increase/improvement of the efficiency/safety of the operation of the trams is facilitated.

The invention relates to a satellite constellation implementation method for implementing communication by utilizing a recursive orbit, and the method comprises the steps: a regression period, an orbital semi-major axis, an inclination of an orbit, an eccentricity ratio and an argument of perigee of the orbit are determined; the number of satellites and orbital planes are determined as n; right ascension of ascending node and a mean anomaly of a first satellite are determined, and according to service needs of the satellite, right ascension of ascending node and mean anomaly of following satellites are determined in sequence; a geostationary orbiting satellite network set that needs to be coordinated and the width of a non-geostationary satellite to geostationary satellite interference protection band are determined; all set satellites successively passes the top in the air along a same fixed orbit are seen at any position of the ground, and when multi-coverage is formed, users on theground can see a plurality of satellites; and if satellite trails pass the interference protection band for the geostationary satellite, when present accessed satellite enters the protection band, theusers on the ground switch to another satellite that does not in the protection band to continuously implement communication.

The invention discloses an open-cutting and undercutting combined metro station structure avoiding housing demolition and a construction method thereof. The structure is composed of an open-cutting area defined by a plurality of open-cutting fender posts and an undercutting area under a building. The open-cutting area is constructed firstly, and then the undercutting area is constructed. Before undercutting structure construction, a transverse advanced large pipe shed is set up in advance, and the pipe shed is supported by undercutting side poles and an open-cutting top plate constructed in advance. The undercutting side poles are constructed through longitudinal side pilot tunnels, and before pilot tunnel construction, pilot tunnel periphery deep hole grouting is performed for reinforcingfirstly. Soil excavation is performed and an undercutting top plate are poured under protection of a pre-supporting system of the large pipe shed, and after the top plate reaches the structural strength, side walls, middle plates, a bottom plate and other structures of the undercutting area are constructed in an inverted construction method. According to the open-cutting and undercutting combinedmetro station structure avoiding housing demolition and the construction method thereof, demolition can be avoided, the work schedule is guaranteed, the coordination difficulty is reduced, the work investment is lowered, an underground box frame system is kept unchanged, and no influence exists on building function and operating management.

The invention relates to a synchronous hoisting device for a steel column casing rack alternate support type steel platform and a tower crane and a hoisting method of the synchronous hoisting device.The hoisting device comprises the steel platform, the tower crane, hoisting steel columns (1) and a hoisting power system. The steel platform comprises a steel platform top beam (2), casing rack supports (201), an integral hoisting beam (6) and a horizontal support beam (7). The steel platform top beam, the casing rack supports, the integral hoisting beam and the horizontal support beam are arranged in sequence from top to bottom. The steel platform top beam (2) is provided with horizontal limiting guiding wheels (8). The guiding wheels abut against the tower crane in a selectable manner. Thetower crane is connected with the integral hoisting beam (6). The lower portion of the tower crane is fixedly connected with the horizontal support beam (7). The hoisting power system is used for providing hoisting power so that the steel platform can move along the hoisting steel columns. By means of the synchronous hoisting device, integral hoisting of the tower crane and the steel platform is achieved, and the problem that the tower crane interferers with the steel platform easily in the traditional construction process is solved.

The invention provides a mobile communication high-power multi-antenna distribution and coverage method and a mobile communication high-power multi-antenna distribution and coverage system. The system comprises base station amplifier and POI (Point Of Interface) integrated equipment and a low-power multi-antenna coverage system, wherein the base station amplifier and POI integrated equipment comprises a signal separation device, a high-power base station amplifier, an uplink POI and a downlink POI; the signal separation device is connected with the high-power base station amplifier and the uplink POI respectively; the high-power base station amplifier is connected with and the downlink POI; the signal separation device is connected with a corresponding system type base station; the low-power multi-antenna coverage system comprises a plurality stages of passive devices and antennae with the quantity corresponding to the stage number of the passive devices; any stage of passive device is connected with the corresponding antenna; the first stage of passive device on a down link is connected with the downlink POI; the first stage of passive device on an up link is connected with the uplink POI. According to the method and the system, the coverage effect is improved, the engineering construction difficulty is reduced, the manufacturing cost of the system is reduced and the maintenance difficulty is reduced.

The invention provides a high-power covering method and a covering device of a TDD mobile communication system. The high-power covering device comprises a donor end circulator, a downlink high power amplifier and an uplink low noise amplifier. The downlink high power amplifier is connected with a signal emission device, and the uplink low noise amplifier is connected with a signal receiving device. The uplink low noise amplifier and the downlink high power amplifier are respectively connected with the donor end circulator which is connected with a TDD base station. The high-power covering method and the covering device of the TDD mobile communication system promote covering effect and reduce real estate coordination difficulty, and the covering device has good market application prospect.

The invention relates to the field of subway design and construction, and provides a close-fitting open and underground excavation combined subway station structure and a construction method thereof.The close-fitting type open and underground excavation combined subway station structure and the construction method thereof aim to solve the problems of subway station land occupation, demolition, underground excavation scale control, construction difficulty control, risk control and the like. The construction method of the close-fitting open and underground excavation combined subway station comprises the following steps that an open and underground excavation ranges and boundaries are determined; the open excavation part is provided with fender posts; an underground excavation transverse pipe shed is constructed; excavating is carried out to a base of the open excavation part, an anti-pulling structure, a waterproof system and an open excavation main body are constructed, a steel bar connector is reserved at a connecting opening between open excavation and underground excavation, and backfilling and earthing are carried out; an advanced small pipe is constructed; the open excavationfender posts at the transverse boundary between open excavation and underground excavation are removed, and an underground excavation part is constructed longitudinally in pilot tunnels according toa bench cut method; an underground excavation secondary lining is constructed; and the open excavation fender posts and underground excavation primary supports at the longitudinal boundary between open excavation and underground excavation are removed in sections, and connecting structures and waterproof systems of a top plate and a bottom plate at the connecting opening between open excavation and underground excavation are constructed. The close-fitting type open and underground excavation combined subway station structure and the construction method thereof have the beneficial effects thatdemolition is avoided, risks and investment are controlled, the project progress is guaranteed and the coordination difficulty is reduced.

The invention belongs to the technical field of aircraft structure design and particularly relates to an aircraft freight cabin door positioning and guiding structure. The structure comprises a cabin door (1), a sliding rail assembly (2) and an uplatch (3). The cabin door (1) is hinged to an aircraft body, the sliding rail assembly (2) is mounted on the aircraft body and the cabin door (1), and the uplatch (3) is mounted on the aircraft body and the cabin door (1). According to the structure, stable and reliable positioning and guiding of the aircraft freight cabin door are achieved.

The invention relates to a barrel frame support type steel platform and tower crane integral jacking device and a jacking method thereof. The integral jacking device comprises a barrel frame support type steel platform, a tower crane and a jacking power system, wherein the steel platform comprises a steel platform top beam, a barrel frame support, an integral jacking upper beam, an integral jacking lower beam and a tower crane supporting beam; the barrel frame support comprises barrel frame supporting columns and a counter force beam, and the steel platform top beam, the counter force beam, the integral jacking upper beam, the integral jacking lower beam and the tower crane supporting beam are sequentially arranged from top to bottom; the steel platform top beam and the counter force beamare provided with horizontal limiting guide wheels capable of selectively abutting against the tower crane; the bottom of the tower crane is fixedly connected with the tower crane supporting beam, oneof the integral jacking upper beam and the integral jacking lower beam is connected with the tower crane, and the other one of the integral jacking upper beam and the integral jacking lower beam is provided with horizontal limiting guide wheels so as to selectively abut against the tower crane; and the jacking power system is used for providing jacking power to enable the steel platform and the tower crane to move. According to the arrangement, integral jacking of the tower crane and the steel platform is realized, and the problem that the tower crane and the steel platform are prone to haveconflicts in the traditional construction process is solved.

The invention discloses an intelligent coal slime water treatment plant. Coal slime water is pretreated by a dosing and feeding device, and the resulting slurry is discharged into a filter press to bepressed for solid-liquid separation, thereby forming a filtrate and a filter cake; a filtrate tipping device is arranged below the filter press; two tipping mechanisms of the filtrate tipping deviceare closed to receive the filtrate; the tipping mechanisms are opened to allow the filter cake to fall into a movable filter cake breaker below; and the filter cake is broken into dry coal slime and then falls into an outfeed conveyor which finally sends out the dry coal slime for utilization. The intelligent coal slime water treatment plant is technically advanced, and can be combined with a corresponding intelligent coal slime water treatment method to solve the technical problems such as out-dated equipment, poor treatment effect, numerous processes, poor joint of processes, high labor intensity and the like in the art, allowing the coal slime water treatment to meet the requirements of going green and environmental protection.

The invention discloses a remote radio unit (RRU) remote system and relates to a signal coverage system. The system comprises a pRRU unit, a near-end machine, a far-end machine, a combiner, an antenna unit and a network management system, wherein a signal input end of the near-end machine is connected with a signal output end of the pRRU unit, a signal output end of the near-end machine is connected with a signal input end of the far-end machine, the signal input end of the combiner comprises two paths of signal input ends, one path of signal input end of the combiner is connected with the signal output end of the far-end machine, the other path of signal input end of the combiner is connected with 2G, 3G or 4G signals, the signal input end of the antenna unit is connected with the signal output end of the combiner, and the signal input end of the antenna unit is connected with the signal output end of the far-end machine. The network management system is connected with the near-end machine, and in the original 2G3G4G signal coverage scene, when 5G coverage is established, signal coverage is completed through a PRU remote system after only one small base station information source is established.

The invention discloses a multi-aircraft coordinated combat simulation control apparatus. The apparatus comprises a power supply control module, an emission control module, a software loading control module and an address bit control module, wherein the power supply control module provides power supply control for aircrafts; the emission control module obtains discrete magnitude signals from a power supply input end and emits control instruction signals through a delay relay and switches to realize emission control of the aircrafts; the software loading control module performing software loading on simulation systems I, II and III; and the address bit control module is connected with the corresponding switches and carries out address bit control thorough controlling whether the switches are connected with an address loop. The apparatus substantially reduce preparation time before a test, the workload, operation personnel and simulation time, and ensures what is urgently needed for the test.

The invention discloses a use method of an automatic quality inspection sampling settlement system, and the method comprises the following steps: a driver enters a factory, a sample is captured, an inspection sheet is generated, a price is settled, a supplier is notified, a radar senses a vehicle, and an RFID card reader automatically starts scanning; legality verification is carried out on the RFID logistics information card of the driver; after the vehicle completely enters a sampling machine,a vehicle detector cannot detect the vehicle, and an entrance barrier gate automatically falls down; after sampling is finished, a sampling person manually presses down a release button, an exit barrier gate is automatically lifted up, and voice broadcast is performed on a request for leaving after sampling is finished; a laboratory all-in-one machine can periodically acquire test data; the method greatly improves the working efficiency of grain quality inspection and settlement, reduces the difficulty of personnel organization and coordination, reduces the operation cost, is good in use effect, is an innovation of grain quality inspection and settlement equipment, and has good economic and social benefits.

The invention discloses a geological disaster drilling system based on virtual reality, which comprises an LED display screen for displaying a geological disaster field scene and VR glasses for experiencing the geological disaster field, wherein the LED display screen is controlled by a virtual reality system, and the virtual reality system is controlled by a remote control system. The geologicaldisaster drilling system based on virtual reality has the beneficial effects that the geological disaster digital drilling system based on the virtual reality simulates the real geological disaster field, the intuitive impression of relevant functional departments on a geological disaster is deepened, effects of half the work with double results are achieved, and in the virtual reality geologicaldisaster drilling system, the field drilling difficulty can be alleviated, the coordination difficulty of persons in various departments in the field is reduced, and the more intuitive understanding of the severity of geological disasters on people is also deepened.

The invention relates to a single-circuit drilled and spanned steel pipe pole. The single-circuit drilled and spanned steel pipe pole comprises a tower body manufactured by steel pipes, and the towerbody is sequentially provided with top layer ground wire cross arms, an upper layer spanned wire cross arm, a middle layer auxiliary cross arm, a lower layer ground wire cross arm, a lower layer spanned wire cross arm and a lower layer hanging-down low-voltage grade wire cross arm from top to bottom; the top layer ground wire cross arms are cross arms on the two sides perpendicular to the spannedside circuit direction, the middle layer auxiliary cross arm comprises a bilateral cross arm parallel to the spanned side circuit direction and a unilateral cross arm perpendicular to the spanned sidecircuit direction; and the lower layer ground wire cross arm, the lower layer spanned wire cross arm and the lower layer hanging-down low-voltage grade wire cross arm are bilateral cross arms perpendicular to the drilled and spanned side circuit direction. According to the single-circuit drilled and spanned steel pipe pole, the circuit coordination difficulty is reduced, the power grid reliability is increased, the construction cost is saved, and meanwhile, the newly-built circuit ground wire ground distance of a drilled and spanned gear is further shortened.

The invention relates to an integrally-mounted bridge cable laying method. The method comprises the following steps: 1, hoisting and segmenting are carried out on a bridge by applying a pipeline comprehensive technology; 2, holes are formed in the corresponding positions of a top plate, and expansion bolts are installed; 3, connecting, segmenting and straightening of the bridge on the ground are carried out; 4, cable protection riding wheels are installed at the tail ends of the two sides of the head segment, a cable sliding supporting device is laid in the hoisting secondary segment bridge, and a cable horizontal laying restraining device is installed at the turning position; 5, cable laying is carried out, except formal cable fixing at the head segment of the hoisting, other segments alladopt cable temporary fixing devices; 6, the cable protection riding wheels, the sliding supporting device, a temporary restraining device, the temporary fixing devices and the like are disassembledand displacement installation work is completed; and 7, installation of the cable bridge of the vertical part at the tail end of the equipment is completed finally. The overall is enhanced after laying of the cable bridge and the cable on the ground, and the labor cost of cable laying and the aerial work risk are reduced.

The invention provides a natural gas overhead pipeline street crossing support device, and relates to the technical field of pipeline erection. The natural gas overhead pipeline street crossing support device comprises a natural gas overhead pipeline, a supporting part and at least one steel wire rope, wherein the natural gas overhead pipeline is arranged between two buildings in a crossing mode,the supporting part is connected with the lower portion of the middle of the natural gas overhead pipeline, the at least one steel wire rope is connected with the two ends of the natural gas overheadpipeline and is symmetrically arranged along the supporting part, and the other ends of the steel wire ropes are fixedly connected with the supporting part to enable the steel wire ropes to have tension. Compared with the prior art, the capacity of a natural gas street crossing pipeline itself is effectively increased, and no external measures are adopted or the external measures are adopted as little as possible; the crossing distance of the overhead pipeline is effectively increased, and for a street which exceeds 5-6m of the crossing limit of an original pipeline, the crossing can be easilycompleted; due to the fact that construction is not carried out on the user wall and the ground, the construction site coordination work and difficulty due to adopting other measures are effectivelyreduced; and the natural gas overhead pipeline street crossing support device is simple and convenient to manufacture and construct, easy to operate, easy to master and easy to popularize.

The invention belongs to the technical field of manufacturing of welded structures and combined square boxes, and discloses a precision machining method for a large-sized combined square box of a welded framework structure. The large-sized combined square box of the welded framework structure is formed by combining and splicing two sub-box bodies, each sub-box body is of a box body structure formed by splicing and combining a front plate, a rear plate, a top plate, a bottom plate and two side plates, and a vertical plate is arranged in each box body structure. The precision machining method comprises the steps of controlling the state of part materials, controlling the size allowance of the parts before the sub-box bodies are welded, coordinating the machining datum after the sub-box bodies are welded, machining the sub-box bodies and assembling the two sub-box bodies. According to the precision machining method for the large-sized combined square box of the welded framework structure, by analyzing the product structure and the forming mode, corresponding measures are provided from the aspects of datum design, allowance coordination, the technological process and the like, the problems that the allowance coordination difficulty is large, and the product precision is difficult to control are solved, and the product quality is improved.

The invention discloses a method for remotely pumping thick cement slurry through a relay method, which comprises the following steps: equipment type selection, pipeline erection, communication equipment debugging, testing, stirring, pumping and cleaning, wherein a 7 Mpa double-layer high-pressure pipe is selected as a double-layer high-pressure pipe, a fixed support is additionally arranged between the pipeline and a stair railing every 10 m, a buffer barrel is additionally arranged at the position of each relay grouter and is used for temporarily storing cement grout in a pipeline when grouting is suspended. According to the method for remotely pumping the thick cement slurry through the relay method, the construction efficiency is greatly improved, the thick cement slurry transportation speed is high, the construction period is shortened, due to the fact that pipeline transportation is adopted, worker operation is reduced, the personnel organization difficulty caused by cross operation is reduced, pollution to completed structures is reduced, particularly dip dyeing of contact nets is reduced, the workload of secondary cleaning is reduced, and the cleaning cost is reduced.