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397results about How to "Easy to check and maintain" patented technology

Modularized box type charging and battery swapping station

The invention provides a modularized box type charging and battery swapping station used for replacing a battery of an electric car. The charging and battery swapping station comprises a central monitoring room 1, a battery swapping robot 2 and a charging and battery swapping box 3, wherein the central monitoring room 1 is used for monitoring the charging and battery swapping station, the battery swapping robot 2 is located between the charging and battery swapping circuit 3 and the electric cars provided with batteries to be replaced, and the battery between the electric cars provided with batteries to be replaced can be replaced; and a battery storage rack 301, a battery charger cabinet 302, a monitoring cabinet 303, a distribution cabinet 304, a temperature control system 305 and an access path 306 are arranged in the charging and battery swapping box 3. The modularized box type charging and battery swapping station, provided by the invention, has the advantages of strong adaptability, flexible configuration and expansibility, small floor space, high working efficiency, short construction period, benefit for large-scale popularization and construction, high automation degree, smaller device maintenance amount, simple structure and low fault rate.
Owner:BEIJING STATE GRID PURUI EXTRA HIGH VOLTAGE POWER TRANSMISSION TECH CO LTD +1

Host box frame for computer

The invention discloses a host box frame for a computer. The host box frame for the computer comprises a supporting plate; a host box framework is arranged at the upper end of the supporting plate; aframework door is provided with an activated carbon dust sucking net; the two sides of the inner wall of the host box framework are provided with gas inflating cushions; a fixing plate is arranged atthe lower end of the host box framework; the fixing plate and the host box framework are installed in a drawing and pulling manner; a shock absorbing plate is installed at the upper end of the fixingplate; a shock absorbing spring is arranged between the shock absorbing plate and the fixing plate; a cooling fan is arranged at the rear end of the host box framework; a slider is arranged in a sliderail in an embedded manner, and is provided with a limiting strip; the lower portion of the slide rail is provided with an opening for connection wires to penetrate; a magnet strip is arranged belowthe opening; a sleeve is arranged on one side of the host box framework, and is installed on the supporting plate; and a telescopic rod is arranged at the upper end of the sleeve. By means of the hostbox frame for the computer, protection on a host box is enhanced, use of the host box is facilitated, and the connection wires at the rear end of the host box can be effectively differentiated.
Owner:HUIZHOU JINWANHE IND CO LTD

Method for identifying damage and quantitatively analyzing damage degree of main girder of bridge erecting machine

ActiveCN108846197AUnable to resolve damageFound when solvingGeometric CADDesign optimisation/simulationInfluence lineEngineering
The invention relates to a method for identifying damage and quantitatively analyzing damage degree of a main girder of a bridge erecting machine. Based on the present situation that the main girder support changes with time in the operation process of the bridge erecting machine, a main girder structure type judging module MI, a damage identifying and analyzing module MII and a damage quantitatively analyzing module MIII are established. The damage identifying and analyzing module includes: (1) a deflection test system is installed; (2) deflection detection data is collected; (3) the detection data is processed to obtain a deflection influence line f1 (x); (4) the deflection influence line is processed to obtain a deflection rate curve f1 "(x); (5) whether mutation exists is judged; (6) the locations and quantity of injuries are judged. The damage quantitatively analyzing module includes: (1) a numerical simulation model is established; (2) n kinds of damage conditions are constructed, and m damage degrees are constructed for each kind of damage condition. (3) the deflection values of different damage degrees are obtained, and the relationship curve of deflection rate and damage degree is defined. (4) the relationship of deflection rate and damage degree of the main girder of the bridge erecting machine is obtained. The invention solves the problem that the structural damage of the main girder of the bridge erecting machine cannot be found in time, and the bridge erecting machine is easy to cause a serious safety accident.
Owner:SHIJIAZHUANG TIEDAO UNIV

Oval single-tube two-way vacuum pipeline traffic system

ActiveCN107697079ASave crafting materialsReduce erection processRailway tunnelsEllipseLong axis
An oval single-tube two-way vacuum pipeline traffic system comprises an oval pipeline. The oval pipeline is internally provided with a two-way travelling vehicle, vehicle upward suspension magnetic poles are arranged on the two sides of the travelling vehicle and matched with an outer suspension track and an inner suspension track correspondingly, and the outer suspension track is connected to theinner wall of the oval pipeline. The inner suspension track is supported on the inner wall of the oval pipeline through a track first support. A support rod is arranged at the position of a short shaft of the oval section of the oval pipeline, a semi-oval groove-shaped support seat is arranged along the exterior of the oval pipeline, and tight-pushing clamps are arranged on the position, on the horizontal positions of the two sides of the exterior of the pipeline, of the upper portion of the groove-shaped support seat along the long axis of the section of the oval pipeline. Adjusting and fixing are conducted through adjusting bolts. As for a vehicle with the same section, the blockage ratio in two-way double pipelines is slightly decreased, and the train travelling pneumatic resistance isreduced; and pipeline manufacturing materials are reduced, the pipeline erecting work procedure is reduced, the cost is reduced, the effective clearance in the pipeline is greatly increased, and mounting, examining and maintaining are conveniently facilitated.
Owner:BEIJING JIUZHOU ARTERY TUNNEL TECH CO LTD

Intelligent temperature-control anti-freezing bridge deck

The invention discloses an intelligent temperature-control anti-freezing bridge deck, wherein the bridge deck is paved with a thermal insulation layer; a lower layer of concrete is cast on the thermal insulation layer; the lower layer of concrete is paved with steel pipes; the steel pipes are paved with reinforcing steel bars and pre-buried with a bridge deck temperature sensor, and then an upper layer of concrete is cast; the steel pipes are provided with electric-heating wires; the two ends of each steel pipe are sleeved in a steel slot; and a temperature controller is arranged on connection wires of the electric-heating wires. The intelligent temperature-control anti-freezing bridge deck is simple in operation, and does not interfere the bridge deck structure; the heating wires cannot be extruded out of the bridge deck paving layer because of the paving of the concrete or the moving of a vehicle flow so that the heating wires can be effectively protected and is convenient to maintain; meanwhile, the predictability is strong so that the road slippery caused by low-temperature icing can be timely prevented; and the on-off of a switch can be controlled by a temperature sensing system without operation by staff, therefore the switch of a heating device can be automatically turned on and off so as to realize the effective use for whole day.
Owner:XIANGTAN UNIV

Pneumatic control device for improving flutter stability of steel trussed girder suspension bridge

ActiveCN101736687ADoes not increase drag coefficientImprove flutter stabilitySuspension bridgeBridge structural detailsArchitectural engineeringBridge deck
The invention provides a pneumatic control device for improving flutter stability of a steel trussed girder suspension bridge, which relates to the bridge technology. The device of the invention is a combination of bridge deck central slotting and pneumatic wing plates, wherein, the width of the slotting is 1 / 100-1 / 10 of the width of the steel trussed girder; thetwo pneumatic wing plates are symmetrically installed on two sides of the steel trussed girder and arranged longitudinally and continuously along the bridge, wherein, the total arrangement length is 1 / 2-1 time of the span length of a midspan area of a main span; the two pneumatic wing plates are arranged vertically along the bridge in a single layer, double layer or multilayer mode; the width of each pneumatic wing plate is 1 / 30-1 / 10 of the width of the steel trussed girder; the horizontal distance from the centers of the pneumatic wing plates to a center longitudinal axis of the bridge is 1 / 3-1 / 2 of the width of the steel trussed girder, and the vertical distance from the centers of the pneumatic wing plates to the bottom of the steel trussed girder is 1 / 4-1 / 2 of the height of the steel trussed girder; and the cross sections of the pneumatic wing plates are in an elliptic shape, or a flat plate shape with a round end or a triangle air nozzle. The pneumatic control device changes the air flow characteristic of the steel trussed girder, obviously improves the flutter stability of the steel trussed girder suspension bridge, and has simple structure, convenient installation and good economical efficiency.
Owner:中交公规土木大数据信息技术(北京)有限公司

Hydraulic control system of rudder blade platform

The invention provides a hydraulic control system of a rudder blade platform. The hydraulic control system of the rudder blade platform comprises an oil tank, a variable pump, a motor, a speed regulating valve, an overflow valve, a three-position four-way electromagnetic directional valve A, a three-position four-way electromagnetic directional valve B, a first bidirectional balance valve, a second bidirectional balance valve, a first hydraulic cylinder and a second hydraulic cylinder. The variable pump is connected with the motor. An oil inlet of the variable pump is connected with the oil tank. An oil outlet of the variable pump is connected with the speed regulating valve and the overflow valve. An oil outlet of the overflow valve is connected with the oil tank. A pressure gauge is arranged between the variable pump and the overflow valve. An outlet of the speed regulating valve is connected with the three-position four-way electromagnetic directional valve A and the three-position four-way electromagnetic directional valve B. The three-position four-way electromagnetic directional valve A is connected with the first bidirectional balance valve. The first bidirectional balance valve is connected with the first hydraulic cylinder. The three-position four-way electromagnetic directional valve B is connected with the second bidirectional balance valve, and the second bidirectional balance valve is connected with the second hydraulic cylinder. By the adoption of the hydraulic control system, labor intensity can be relieved, the requirements for movement along the X axis and movement along the Y axis of the rudder blade platform are met, and accurate positioning for rudder blade installation is achieved.
Owner:JIANGSU UNIV

Coil-well resident building elevator

InactiveCN102826431ADoes not occupy building areaEasy to installElevatorsBuilding liftsEngineeringPulley
The invention discloses a coil-well resident building elevator. The coil-well resident building elevator is provided with a track beam, a lifting-pulling device, a lifting-pulling rope, a track device, a slideway, a pulley device, a manned device and a braking mechanism, wherein the track beam is arranged below a roof panel on a topmost layer on the upper part of the central surface of a stair wheel; the lifting-pulling device is movably arranged on the track beam; the upper end of the lifting-pulling rope is connected with the lifting-pulling device; the track device is arranged on the lower edge of a stair board above a stair railing or on the inner side face of the stair board around the stair well; brackets are positioned on the stair railing and a railing upright post; the slideway is arranged on the outer side of the raining upright post below the stair railing; the pulley device is movably arranged on the track device; the manned device is connected to the lower end of the pulley device; the side face of the manned device is connected with the slideway in a sliding way; and the braking mechanism is arranged between the pulley device and the track device, and is used for braking the pulley device and stopping the elevator under the control of a brake handle and a control device. The coil-well resident building elevator has the advantages of no need of any special channel, no occupation of the building area, simple equipment, convenience in installing and low cost on building and running, and is suitable for multi-story buildings, in particular for built powerless multi-floor buildings.
Owner:余载强

Compact low-concentration organic waste gas treatment device

The invention relates to a compact low-concentration organic waste gas treatment device. The compact low-concentration organic waste gas treatment device structurally comprises a metal wire, a metal cylinder, an inner air gap, an opening, an outer air gap, an insulating medium layer, a metal net, an opened sealing plug, a sealing plug, an air inlet, an air outlet and a pulse power supply, wherein the metal wire is arranged in the metal cylinder, and the metal cylinder is arranged in the insulating medium layer and is connected to a high-voltage end of the power supply; the inner air gap is formed between the metal cylinder and the metal wire, the outer air gap is formed between the metal cylinder and the insulating medium layer, and an opening is formed in the right upper end of the metal cylinder; the metal net clings to the outer part of the insulating medium layer and is connected with a low-voltage end of the power supply; the opened sealing plug and the sealing plug are respectively embedded into two ends of the metal cylinder and the insulating medium layer; and the air inlet and the air outlet are respectively connected to an air inlet hole and an air outlet hole in the opened sealing plug. The compact low-concentration organic waste gas treatment device has the advantages that (1) the size of the device is reduced, the cost is lowered, and the utilization rate of a space is increased; (2) the electric field intensity is enhanced, and the utilization rate of electrical energy is increased; and (3) the device is convenient to dismount, mount, examine and repair, and the security coefficient is increased.
Owner:NJTECH ENVIRONMENT TECH CO LTD

Annular cutting device

The invention relates to an annular cutting device which comprises a base, a rotary table, a rotary drive mechanism, an upper fixing ring, a lower fixing ring and a vertical loading mechanism, wherein the rotary table is mounted on the base; the rotary drive mechanism is connected with the rotary table; an annular base plate is mounted on the rotary table; an organic glass water groove is fixedly connected with the annular base plate to form a whole body; the lower fixing ring is arranged at the bottom of the organic glass water tank; a porous ceramic ring is arranged at the bottom of the lower fixing ring; the upper fixing ring is arranged on the lower fixing ring through the vertical loading mechanism; a rock soil sample is arranged on the porous ceramic ring; an annular loading plate is pressed on the porous ceramic ring on the rock soil sample; the annular loading plate is connected with the vertical loading mechanism; the vertical loading mechanism comprises a load force arm, a central main shaft, a load bracket and a torque arm; the torque arm is transversely arranged in the load bracket; tangential load force measurement rings are mounted at two ends of the torque arm; the tangential load force measurement rings are adhered to the load bracket. According to the annular cutting device, rock soil movement cutting strength parameters can be accurately measured and easily detected, the price is low, and the maintenance expense is low.
Owner:NORTHEAST GASOLINEEUM UNIV

Underground integrated domestic sewage treatment device and method thereof

The invention discloses an underground integrated domestic sewage treatment device and a method thereof, and belongs to the field of purification of the domestic sewage. The underground integrated domestic sewage treatment device comprises a grilling tank, an adjusting tank, an anaerobic digestion tank, an anaerobic biological filtration tank, an aerobiotic biological filtration tank I, an aerobiotic biological filtration tank II, an aerobiotic biological filtration tank III, a vertical flow sedimentation tank and a control chamber, wherein the underground integrated domestic sewage treatment device is an underground stereoscopic integrated device; the control chamber comprises an upper layer part and a lower layer part; the upper layer part is arranged at the upper part of the control chamber; an electric control box and an ultraviolet device are arranged in the upper layer part; a fan and a chemical adding device are mounted at the lower layer part. The underground integrated domestic sewage treatment device is small in occupied area, convenient in drainage and low in energy consumption; the energy conservation and environment protection are facilitated; by virtue of the auxiliary adoption of the chemical treatment process on the main basis of biological degradation, the emission of the water with the up-to-standard water quality is ensured.
Owner:DALIAN JIAOTONG UNIVERSITY

Street lamp capable of conducting self-cleaning

The invention discloses a street lamp capable of conducting self-cleaning. The street lamp comprises a lamp housing, a lamp arm, a light source, a power line and a water route. A connecting piece is arranged at the rear end of the lamp housing; the lamp housing is provided with a cleaning mechanism; a first groove is further formed in the periphery of the lamp housing; a heating piece is arranged at the bottom of the first groove; the heating piece is electrically connected with the connecting piece; and the first groove is internally provided with mosquito repellent liquid. A second groove is formed in the inner side of the lamp arm; a connecting rod which can extend and contract is arranged in the second groove; a clamping seat matched with the connecting piece is arranged at the top end of the lamp arm; and the rear end of the lamp housing is detachably connected to the top end of the connecting rod. By means of the street lamp capable of conducting self-cleaning, the self-cleaning function is achieved, manual sweeping is avoided, and plenty of manpower and material resources are saved. The lamp housing ascends and descends along the lamp arm as the connecting rod ascends and descends; maintenance can be conducted conveniently; the street lamp is provided with the groove which is internally provided with the mosquito repellent liquid, and mosquitoes can be repelled; and road illumination can be achieved conveniently at night.
Owner:北京富润成照明系统工程有限公司

A push-pull mobile power cabinet device

A push-pull movable power cabinet device include a fan-shaped cabinet, one side of the fan-shaped cabinet body is connected with a cabinet door through a hinge, the lower side of the fan-shaped cabinet body is connected with four groups of upright columns, A side of the cabinet door close to the fan-shaped cabinet body is provided with two sets of connecting bosses symmetrically distributed, A fan-shaped pushing and pulling plate is arranged on the side of the connecting boss away from the cabinet door, the fan-shaped pushing and pulling plates are provided with heat dissipation holes uniformly distributed at equal distances, A side of the sector-shaped cabinet body close to the sector-shaped push-pull plate is provided with a sector-shaped support slide rail, As that fan-shaped push-pullplate is driven to slide in the fan-shaped support slide rail by the rotation of the cabinet door, the electric power equipment inside the power cabinet is convenient to be overhauled and maintained,Springs, sliding columns, anti-skid pads and upright columns are used together to provide better shock absorbing performance, fan blades and heat dissipating holes can improve heat dissipating effectand facilitate external observation, and take-up boxes are convenient for combing electric wires of electric power equipment.
Owner:沈晨

Flight control method for station and aircraft separation of unmanned aerial vehicle system

The invention discloses a flight control method for station and aircraft separation of an unmanned aerial vehicle system. By the method, a configuration mode of the unmanned aerial vehicle is reconstructed, an onboard detector is configured by proposing an automatic deviation measurement and correction technology, so that airport data chain and a ground station are cut, and a novel formation scheme of an onboard and ground system is proposed. Separated application of the station and the aircraft of the unmanned aerial vehicle system is supported, operation teams are built according to tasks, the construction cost and the operation cost of an air line are reduced, and dispatching of an airport and the air line is facilitated. The invention provides a novel configuration design and application method of an industrial unmanned aerial vehicle, low-cost configuration and application are achieved, the method is particularly and suitably used for aviation transportation, a solution scheme ofcost reduction and flexible application is also provided for operation of an unmanned aerial vehicle in air, a new path is provided for transformation development of an existing navigation enterprise,and new kinetic energy is provided for the unmanned aerial vehicle to achieve industrial development.
Owner:陶文英

Automatic lifting mechanism for presser foot of sewing machine

The invention discloses an automatic lifting mechanism for a presser foot of a sewing machine. The automatic lifting mechanism comprises a housing, a linear actuator, a rotating shaft, an outer swing arm, an inner swing arm, a front lever and a pull rod; the housing is provided with a housing inner cavity; the linear actuator includes a traction rod which can reciprocate in a linear mode, and is fixedly installed on the outer wall of the housing; the rotating shaft is rotatably installed on the housing, the inner end of the rotating shaft is located in the housing inner cavity, and the outer end of the rotating shaft extends out of the housing; one end of the outer swing arm is fixedly connected with the outer end of the rotating shaft, and the other end of the outer swing arm is connected with the traction rod; one end of the inner swing arm is fixedly connected with the inner end of the rotating shaft; the front lever comprises three pin holes, and the first pin hole is rotatably connected to the interior of the housing through a hinge pin; the second pin hole is hinged to a presser foot lifting plate; the rear end of the pull rod is hinged to the other end of the inner swing arm, and the front end of the pull rod is hinged to the third pin hole of the front lever. Due to the fact that the linear actuator is fixed on the outer wall of the housing, the arrangement of the mechanism is more flexible, the space limitation degree on the mechanism is lower, and the mechanism is more convenient to inspect and maintain.
Owner:JACK SEWING MASCH CO LTD

Optimization design device and optimization method for filtering-backwashing parameters of poly-containing sewage

The invention relates to an optimization design device and an optimization method for filtering-backwashing parameters of poly-containing sewage. A positive filtering pipeline in the optimization design device for the filtering-backwashing parameters of the poly-containing sewage consists of a positively-filtered sewage pipeline and a purified water pipeline, wherein the positively-filtered sewage pipeline is arranged between a raw water chamber of a vertical sewage tank and a water distributor at the top of a downstream flow filter tank; the purified water pipeline is arranged between a water collecting chamber of the downstream flow filter tank and a purified water buffer chamber of the vertical sewage tank; a positively-filtered incoming water valve, a centrifugal pump, a water flow regulating valve, a flow sensor and an inlet pressure sensor are arranged on the positively-filtered sewage pipeline; a backwashing incoming water valve of a backwashing pipeline is also connected with the centrifugal pump through a pipeline; an outlet pressure sensor is arranged on the purified water pipeline; a cylinder opening and closing system, the flow sensor, the inlet pressure sensor, the outlet pressure sensor and the centrifugal pump are all connected with an automatic control cabinet. According to the optimization design device and the optimization method provided by the invention, the quantity of optimizing sequences can be reduced, and the precision of optimization design results of the filtering-backwashing parameters can also be effectively improved.
Owner:NORTHEAST GASOLINEEUM UNIV

A strip position detection device for water cooling section

The invention discloses a slab band position detecting device for a water cooling zone. A roller bed bracket below a roller bed of a water cooling zone frame group is provided with the slab band position detecting device consisting of a fixedly-mounted component and a rotational component; the rotational component is connected with the fixedly-mounted component; specifically, a bearing outer sleeve is sleeved on a connecting rod of the rotational component and is fixed by using a bearing and a fixing bolt so that the bearing outer sleeve can rotate at the connecting rod; the left end and right end of the bearing outer sleeve are respectively connected and provided with the connecting rod; the connecting rods at the two ends are in a lever shape; the connecting rod at the right end is provided with a water bearing plate; the surface of the water bearing plate is aligned with a position below a water spraying pipe; the connecting rod at the left end is arranged between an upper connecting rod detent and a lower connecting rod detent, and the end of the connecting rod is further provided with an induction bolt; the upper-limit movement locus of the induction bolt is coincident with aproximity switch and is limited by the upper connecting rod detent; and the lower-limit movement locus of the induction bolt is limited by the lower connecting rod detent. The device provided by the invention is applicable to the position detection field of the auxiliary calibration of a slab band position in a hot rolling and water cooling zone.
Owner:BAOSHAN IRON & STEEL CO LTD

Inertia activated wound rope shock absorption device for continuous beam bridge

The invention discloses an inertia activated wound rope shock absorption device for a continuous beam bridge and belongs to the field of bridge buildings. The inertia activated wound rope shock absorption device is characterized in that a large transmission gear (3) is connected with a first transmission shaft, a small transmission gear (4) is connected with a balancing weight through a second transmission shaft (6), the balancing weight and the small transmission gear (4) are driven by the large transmission gear (3), and the first transmission shaft and the second transmission shaft (6) penetrate through reserved holes of a support and can rotate freely between two end plates of the support. The support is fixed to the top of a movable pier (12). A left friction shaft and a right friction shaft are in rigid connection with the support. Two symmetrically arranged connecting pieces (9) are fixed to a beam body (8). A pulling rope (1) penetrates through a center hole of the first transmission shaft, the pulling rope (1) is wound around the left friction shaft and the right friction shaft after being symmetrically wound on the two sides of the center hole by multiple circles, and finally, the pulling rope (1) is fixed to the connecting pieces (9). The movable pier and a fixed pier can be stressed cooperatively under the action of earthquake emergencies, and the overall earthquake resistance of the structure is improved.
Owner:北京固桥科技有限责任公司
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