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1527results about How to "Easy to manufacture and install" patented technology

Partition block type sticking-free flection-proof steel plate shearing force wall

The invention relates to a sectional steel plate shear wall which has no cementation and can prevent the flection and belongs to the technical field of the constructional engineering. The invention is characterized in that: the shear wall consists of an internally-embedded steel plate unit, an external limiting unit and a boundary member; the external limiting unit consists of a plurality of sectional concrete covers and reinforcing ribs made of formed steel; the boundary member consists of an edge pillar and an edge beam; A vertical reinforcing rib made of formed steel and a transverse reinforcing rib made of formed steel are arranged between the sections. The internally-embedded steel plate and the concrete covers in each section are connected by a bolt which can penetrate The internally-embedded steel plate and the concrete covers or a prestressed bolt; the internally-embedded steel plate and the vertical reinforcing rib made of formed steel as well as the transverse reinforcing rib made of formed steel are connected by the bolt or the prestressed bolt. The steel plate shear wall provided by the invention is a novel member to resist the side force for the steel structure or other structure of the high-rise building, and is characterized by good earthquake-resistant performance, high ductility, plumb energy-saving hysteresis loop, easy construction and so on and is an excellent shock-resistant and energy-consuming member.
Owner:TSINGHUA UNIV

Device for inhibiting vortex-induced vibration of underwater standpipe of fish-tail imitating cowling

InactiveCN102134972ASelf-adaptiveReduce the amplitude of vortex induced vibrationPipe laying and repairDrilling rodsSurface oceanWater flow
The invention discloses a device for inhibiting vortex-induced vibration of an underwater standpipe of a fish-tail imitating cowling, belonging to field of laying technology of ocean standpipe facilities. The device is used for installing the fish-tail imitating cowling which can change the direction along with the flowing direction of water flow on the underwater standpipe. The device comprises a rotary module, a cowling fixing pad, a cowling and a fish-tail flexible plate, wherein the cowling has a figure of round front part and sharp rear part, has smooth surface and is slightly like the shape of a drip. The arc part of the cowling is coaxial with the standpipe. The cowling is connected with a main pipe by the rotary module that can be assembled and disassembled conveniently so that the cowling can rotate freely around the standpipe. A small-density buoyancy material is added to the hollow part of the cowling. The fish-tail flexible plate is arranged at the tail of the cowling so as to reduce the forward flow angle of the cowling, therefore, a better effect of reducing resistance and inhibiting vortex-induced vibration is achieved. The device can effectively inhibit the vortex-induced vibration; therefore, the anti-fatigue strength of the underwater standpipe can be improved, so as to greatly reduce the engineering cost. Simultaneously the limit of certain vortex-induced vibration inhibiting devices on the forward flow direction can be overcome, therefore, the device has extremely high application values in the environments where the water flowing direction of oceans orrivers changes frequently.
Owner:SHANGHAI JIAO TONG UNIV

Rotary disk type air jet impact drying machine

The invention belongs to the technical field of agricultural product processing, and particularly relates to a rotary disk type air jet impact drying machine. The rotary disk type air jet impact drying machine comprises an air flow circulation system, a rotary disk system, a weighing system and an automatic control system. In the drying process, hot air flow with certain pressure is jetted into a drying chamber (23) through an adjustable strip-shaped air flow jet (38), multiple layers of round material racks (6) evenly distributed in the drying chamber (23) in the axial direction of a rotary material shaft (8) carry a material disk (7) to rotate in the horizontal plane, the rotary disk system can conduct drying in a rotation speed changing and rotation mode changing mode and the weighing system can indicate the drying condition of materials. The rotary disk type air jet impact drying machine solves the problems that an existing air jet impact drying machine is limited in carrying capacity, hard to meet the drying requirements of batch agricultural materials and high in manufacturing cost, and air flow adjustment is inconvenient; meanwhile, the rotary disk type air jet impact drying machine can realize the batch-type drying process of drying-tempering-drying-tempering, improve the drying efficiency, and lower the running energy consumption of the rotary disk system, and is high in automation degree and good in material adaptability.
Owner:CHINA AGRI UNIV

Treatment technique for pollutants in sinter fume and spraying and absorbing tower thereof

The invention discloses a treatment technique for pollutants in sinter fume and a spraying and absorbing tower thereof. After cooling and dedusting, the sinter fume is led into the spraying and absorbing tower, moves upwards to pass through at least two spraying and absorbing sections partitioned from up down in the spraying and absorbing tower, each spraying and absorbing section sprays and absorbs more than one pollutant in the sinter fume and the spraying and absorbing solution does not fall into the absorbing section of next layer, after passing through all the spraying and absorbing sections, the fume is demisted and exhausted from the top of the spraying and absorbing tower. The spraying and absorbing tower comprises a tower body, the tower body is partitioned into a demisting section, more than two spraying and absorbing sections and a fume inlet section from up down and a seriflux pool on the bottom of the tower body, and the adjacent spraying and absorbing sections are partitioned by a tower board assembly. The invention has the advantages that the loss of system resistance is small, the structure is simpler and more compact, the operation is convenient, the absorption effect is good, the treatment capacity is high and the like, and the invention can treat various pollutants in sinter fume.
Owner:ZHONGYE-CHANGTIAN INT ENG CO LTD

LED matrix screen parameter calibration system and method

The utility model discloses a parameter correction system and method of LED matrix screen, comprising a main controller and a plurality of LED driving units, which is characterized in that the LED driving unit comprises a storage circuit, a storage control circuit and a LED driving circuit, wherein the storage circuit storages the point correction parameter of the LED matrix of the current-level LED driving unit. When the parameter correction system of the LED matrix screen reads the correction parameters, the main controller controls the LED driving unit and a communication channel is established between the main controller and the LED driving unit, the point correction parameters stored in the storage circuit of the LED driving unit are read to the main controller by the main controller and the storage control circuit of respective-level LED driving unit through the communication channel, the main controller finishes the operation and contrast of the point correction parameters, and transfers the actual display values to the LED driving circuit of the LED driving unit.
Owner:杭州芯翼科技有限公司

Composite vertical current artificial wetland oxygenation system

The invention discloses a compound vertical flow artificial wetland oxygen increasing system. The system consists of an air compressor, a compound vertical flow artificial wetland, a downlink flow pool and an uplink flow pool; the downlink flow pool which is communicated with the bottom and the uplink flow pool form a compound vertical flow artificial wetland, the bottom of which is provided with at least three emptying tubes which are connected in parallel; the walls of the emptying tubes are provided with through holes; the emptying tubes at the bottom of the downlink flow pool are internally and respectively provided with perforated aeration tubes which are connected in parallel; and one end of the perforated aeration tube is closed, and the other end thereof is connected with an airway which is connected with the air compressor of the ground surface. The invention has simple structure and is provided with emptying tubes at the bottom of the compound vertical flow artificial wetland, conducts intermittent aeration in the emptying tubes at the bottom of the downlink flow tool on the optimized oxygen increasing condition, creates an environment condition of aerobic and anaerobic alternate change which is required by the nitrification and denitrification reactions, and greatly enhances the denitrification effect.
Owner:INST OF AQUATIC LIFE ACAD SINICA

Crawler delivery warehouse for vending machines

The invention provides a crawler-type goods-outgoing warehouse of an automatic vending machine, comprising a goods-outgoing warehouse box body which is internally provided with a plurality of baffles at interval and in parallel. A goods-transferring device is arranged in a goods passage between every two baffles; the rear end of the goods passage is provided with a driving device; the goods transferring device is a crawler delivery device; and the front end part of each goods passage is provided with a goods-outgoing detecting device. Goods are transferred by adopting a crawler mode, and no spacer exists among the goods, so that the limitation of the goods warehouse to the length of sold goods is avoided, and the adaptability of the automatic vending machine is enhanced; each goods passage is provided with a goods-outgoing detecting device; in the goods-outgoing detecting device, mechanical connection and transmission is adopted, the structure is simple, the reliability is high, and the manufacturing cost is low; and rotatable transparent shift lever pushing pieces are arranged at the outer side of a goods warehouse exit, the goods falling caused by vibration of a machine body canbe effectively prevented, and due to the adoption of the rotatable transparent shift lever pushing pieces, the shopping interestingness is also increased. The crawler-type goods-outgoing warehouse disclosed by the invention has the advantages that the structure is simple, the working is reliable and the application range is wide.
Owner:TIANJIN LEIYUNFENG TECH

Electric transmission line carbon fiber composite core manufacturing method

An electric transmission line carbon fiber composite core manufacturing method mainly includes the following steps of conducting preprocessing, dehumidification and glue infiltration, pre-hardening carbon fibers in a two-section heating mode, enabling high-strength glass fibers or basalt fibers to cover a pre-hardened carbon fiber core according to certain rules, hardening the carbon fiber core covered by the high-strength glass fibers or the basalt fibers in a three-section mode, and conducting post curing and cooling, wherein consumed epoxy resin is high-temperature-resistant special type pultrusion epoxy resin which is prepared by adding modified anhydride compounds in the glue infiltration process. The electric transmission line carbon fiber composite core manufacturing method has the advantages that the carbon fibers are preformed in a pultrusion mode to be in a semi-hardened state after being infiltrated, heating temperature sections are controlled so that the carbon fiber core with excellent performance can be obtained, particularly, heating and hardening are conducted in the three-section mode in the final covering and forming process, therefore, the rigidity of final products is ensured, the smoothness of production and production efficiency are improved, and the carbon fiber composite core produced through combination can completely meet the requirements of electric power transmission.
Owner:SUZHOU SUYUE NEW MATERIAL

Whole-membrane-process water treatment integration device

InactiveCN102942265AMaximize utilizationAdaptive to water quality fluctuationsMultistage water/sewage treatmentSaline waterFiltration membrane
The invention discloses a whole-membrane-process water treatment integration device. The whole-membrane-process water treatment integration device is characterized in that 'whole-membrane-process' water treatment components are integrated into a small-size device, and comprise a raw water pump, an ultra-filtration safety filter, an ultra-filtration membrane component, an ultra-filtration water tank, an ultra-filtration backwashing water pump, reverse-osmosis high-pressure pumps, reverse-osmosis membrane components, a fresh-water tank, an EDI (Electrodeionization) water feeding pump, an EDI membrane block, an acid dosing device, an alkali dosing device, a bactericide device, a scale inhibitor device, a reducing-agent device, a valve, pipelines and a PLC (Programmable Logic Control) control system; the ultra-filtration device consisting of the raw water pump, the ultra-filtration safety filter and the ultra-filtration membrane component, the ultra-filtration water tank, the first-stage reverse-osmosis high-pressure pump, the reverse-osmosis membrane component, the second-stage reverse-osmosis high-pressure pump, the second-stage reverse-osmosis membrane component, the fresh-water tank, the EDI water feeding pump and the EDI device are connected by the pipelines in the following sequence till the desalting water is discharged; and the ultra-filtration backwashing waterpump is arranged to be connected with the ultra-filtration membrane component for backwashing; and the acid dosing device, the alkali dosing device and the bactericide device are respectively connected to the ultra-filtration device.
Owner:NANJING CEC ENVIRONMENTAL ENGINEERING CO LTD

Monocular vision measuring method of non-contact precision measuring corner

The invention discloses a monocular vision measuring method of a non-contact precision measuring corner, belonging to the technical field of photoelectric detection and aiming at realizing wider measuring range, high measuring precision and more convenient operation. Based on a monocular vision principle, the method comprises the following steps of: fixing a test target with a double-circle sign on an object to be measured parallel to a rotating shaft; photographing a target surface by using a position-fixed digital camera; selecting a group of characteristic points and characteristic parameters of an image surface to establish a set of computing method and formula for solving the corner by taking an image of the double-circle sign as an oval; processing photos by using a sub-pixel processing method, solving an equation of an image surface oval and image surface coordinates of the characteristic points and solving a plane equation of the target surface and a corner of the object to be measured; accurately solving the position of an image point in the center of a circle without marking the position of the center of a circle of the target surface; and correcting a measuring error caused by unparallel relations of the target surface and the rotating shaft by using data obtained in the measuring process. The invention has the advantages of simple installation and adjustment of equipment, high measuring precision, high practicability and capability of being used for marking angular displacement transducers such as a rudder, a horizontal rudder of an aircraft and the like on site of an airport.
Owner:ZHONGBEI UNIV

Super-gravity revolving bed provided with multi-layer cylindrical rotary liquid distributor

The invention relates to a super-gravity revolving bed provided with a multi-layer cylindrical rotary liquid distributor. The revolving bed comprises a shell, a rotating shaft, a rotor and the multi-layer cylindrical rotary liquid distributor, wherein the multi-layer cylindrical rotary liquid distributor comprises a feed chute and a plurality of layers of cylinders; the middle of the multi-layer cylindrical rotary liquid distributor is provided with a cylindrical hollow feed chute which is communicated with a liquid inlet; the outer side face of the feed chute is provided with cylinders which are coaxially arranged at certain radial intervals and embedded layer upon layer; the inner wall of the feed chute and the inner wall of each layer of cylinder are provided with liquid outlet holes of which the number increases layer by layer; a liquid passage is formed by communicating the cylinders through the liquid outlet holes; and the liquid outlet hole on an outermost layer of cylinders corresponds to the inner edge of a rotor. The revolving bed has the advantages that: 1, liquid is initially and uniformly distributed well in a circumferential direction and an axial direction under the action of centrifugal force; 2, the revolving bed achieves higher mass transfer efficiency; and 3, the structure is more simple, compact and reasonable and equipment is easy to manufacture and install.
Owner:ZHEJIANG UNIV OF TECH

Strain type linear bidirectional large displacement sensor and detection method thereof

InactiveCN103090778ASolve the nonlinear problem of measuring large displacementSolve nonlinear problemsUsing electrical meansStrain typeEngineering structures
The invention discloses a strain type linear bidirectional large displacement sensor and a detection method of the strain type linear bidirectional large displacement sensor. According to the strain type linear bidirectional large displacement sensor, a strain sheet is arranged on a displacement strain conversion beam to form a bridge circuit which is connected with a strain gauge, a fixed end of the displacement strain conversion beam is fixed on a detection point, and a freed end of the displacement strain conversion beam is inserted into a rigid guide groove and fixed at a reference position. According to the detection method of the strain type linear bidirectional large displacement sensor, when the detection point moves, the displacement of the rigid guide groove is in linear relation with the strain at the position of the strain sheet on the displacement strain conversion beam, strain values during the movement of the detection point are recorded through the strain gauge, and the displacement value of the detection point is determined through the recorded strain values according to a marked relational expression between the strain and the displacement. The strain type linear bidirectional large displacement sensor is simple in structure, good in repeatability, high in sensitivity, convenient to manufacture and install, low in cost, and suitable for detection and tests in an engineering structure, especially the measurement of large displacement of the engineering structure and components of the engineering structure.
Owner:TAIYUAN UNIV OF TECH

Centrifugal model testing system and method studying common character of composite foundation and support structure

The invention discloses a centrifugal model testing system and method studying the common character of a composite foundation and a support structure. The centrifugal model testing system comprises a model box. Foundation soil is arranged in the model box. A support plate used for simulating a support pile is vertically embedded in the foundation soil. A plurality of foundation pile model piles are vertically arranged on one side of the support plate in the model box. A cushion layer is arranged on the top of the foundation soil in which the foundation pile model piles are embedded. The composite foundation is jointly formed by the foundation soil, the foundation pile model piles and the cushion layer. A digging area used for simulating digging is arranged on the other side of the support plate. Testing devices connected with a computer are distributed on the foundation pile model piles and the support plate. A load pressurizing device is arranged at the upper portion of the composite foundation. The whole testing system can be provided with a test system according to the requirements, and the test system is used for testing deformation displacement data and the like of the foundation soil in the composite foundation when a foundation pit is dug. When digging is conducted in the digging area, changes of force or displacement of the composite foundation or the support structure are studied, and practices can be better guided accordingly.
Owner:SHANDONG UNIV

Three-degree-of-freedom mobile decoupling parallel robot mechanism

InactiveCN102699907AReverse solution is simpleSimplify trajectory planningProgramme-controlled manipulatorThree degrees of freedomEngineering
A three-degree-of-freedom mobile decoupling parallel robot mechanism is mainly composed of a fixed platform, a movable platform and three branches for connecting the two platforms. One end of a connecting rod of the first branch is connected with the fixed platform through a rotating pair, the other end of the connecting rod is connected with the other connecting rod through the rotating pair, the other end of the other connecting rod is connected with one end of a third connecting rod through a movable pair, and the other end of the third connecting rod is connected with the movable platform through the movable pair; one end of a connecting rod of the second branch is connected with the movable platform through the rotating pair, the other end of the connecting rod is connected with the other connecting rod through the rotating pair, and the other end of the other connecting rod is connected with the fixed platform through a cylinder pair; one connecting rod of the third branch is connected with the fixed platform through the movable pair, the other end of the connecting rod is connected with the other connecting rod through the movable pair, and the other end of the other connecting rod is connected with the movable platform through the movable pair. The three-degree-of-freedom mobile decoupling parallel robot mechanism has the advantages of being large in working space, simple in manufacturing and mounting, completely decoupled in moving, easy to control and the like.
Owner:YANSHAN UNIV

Time grating linear displacement sensor based on alternating light fields

ActiveCN103591896AFusion Displacement Sensing MeasurementsHigh precisionUsing optical meansConverting sensor output opticallyGratingCoupling
The invention discloses a time grating linear displacement sensor based on alternating light fields. The sensor comprises a static pole plate and a moving pole plate, wherein each of the upper and low portions of the static pole plate includes a row of uniformly-distributed square transparent surfaces of the static pole plate, each of the rear upper and lower portions of the static pole plate is equipped with a set of luminescent devices, each of the upper and lower portions of the moving pole plate includes two semi-sinusoid transparent surfaces of the moving pole plate, four photosensitive reception units are fixed on the moving pole plate, and the transparent surfaces of the moving pole plate are covered with photoelectric reception surfaces of the photosensitive reception units. The two sets of the luminescent devices respectively provide alternating light fields, the moving pole plate moves relative to the static pole plate, the four photosensitive reception units output electric signals, two light-field coupling signals are obtained after differencing, a path of travelling wave signals Uo is synthesized via an addition circuit, the path of travelling wave signals Uo is shaped and phase-compared with a path of reference signals Ur, and the linear displacement value of the moving pole plate relative to the static pole plate is obtained via clock interpolation and scale conversion. The time grating linear displacement sensor based on alternating light fields is high in precision, low in power consumption, low in cost and easy to install and prepare.
Owner:CHONGQING MINSHENG SENSING TECH CO LTD

Translational start-stop plane gate system for ship lock

The invention provides a translational start-stop plane gate system for a ship lock, which comprises plane gates 1, translational start-stop devices 2, gate grooves 3 and common gate grooves 4, wherein each plane gate 1 is in a common plane gate structure, and consists of a panel 52, a plurality of horizontal main beams 49, a plurality of horizontal secondary beams 48, two edge columns 51 and a plurality of longitudinal beams 50; each translational start-stop device 2 can be self-walking, consists of a power source 5, a transmission shaft 7, elastic couplers 8, a driving wheel 9, a reducer 10, rollers 11, an underwater rail 12, gate limiting devices 13, an elastic anti-collision device 14 and a power source control system 15, and is fixedly mounted at the bottom of each gate 1; the power sources 5 transmit a torque to the driving wheels 9 through the transmission shafts 7, the couplers 8 and the reducers 10, so that the driving wheels 9 roll on the rails 12, the rollers 11 roll on the underwater rails 12 with the driving wheels 9 together, and the plane gates 1 are driven to move horizontally to achieve start and stop of gates; and start and stop motion of the gates is along horizontal straight lines of the rails.
Owner:苏振荣

Redundant drive three-freedom-degree parallel mechanism with double motion platforms

The invention relates to a redundant drive three-freedom-degree parallel mechanism with double motion platforms. The aim is that the mechanism has the advantages that a kinematic model is simple, calibrating control is easy and the mechanism is convenient to manufacture and install. The technical scheme is that the redundant drive three-freedom-degree parallel mechanism with the double motion platforms comprises an upper platform, a lower platform, a machine frame and four independent telescopic adjusting branches. The redundant drive three-freedom-degree parallel mechanism is characterized in that every moving pair comprises a sliding block in sliding fit with a guide rail, a driving device of every moving pair is a screw rod mechanism driven by a motor, the screw rod mechanism comprises a screw rod driving the sliding block through a thread fit structure, and the axis of the guide rail and the axis of the screw rod are perpendicular to the ground.
Owner:ZHEJIANG SCI-TECH UNIV
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