187results about How to "Simple on-site installation" patented technology

The invention relates to an amorphous alloy strip shear line, comprising monolithic emptying devices which are arranged in sequence, a feeding device and a numerical control (NC) amorphous steel stripshearing machine, wherein, the NC amorphous steel strip shearing machine comprises a programmable logic controller (PLC) and a host shearing machine; the PLC comprises a PLC host and a programming control panel; the PLC host is arranged inside the host shearing machine and the programming control panel is arranged outside the host shearing machine; the emptying device is provided with a pluralityof emptying machines; the feeding device is provided with a vibrator and a charging rack is arranged in the front of the host shearing machine. The shear line can complete emptying, feeding, shearingand laminating of the amorphous alloy strips once, is simple in operation, increases the efficiency and is mainly suitable for producing the amorphous lamination.

The invention discloses an integrated measuring device for multiple-point type flow velocity pressure temperature, and belongs to the technical field of flue gas flow velocity measuring devices. The integrated measuring device for the multiple-point type flow velocity pressure temperature comprises a gas circuit detection unit (8), a backflow calibration unit and a sensing measurement unit (17). An outlet of a dynamic pressure tube of the gas circuit detection unit (8) and an outlet of a static pressure tube of the gas circuit detection unit (8) are respectively connected with an air inlet of the backflow calibration unit. A temperature sensor of the gas circuit detection unit (8) is connected with the sensing measurement unit (17). Through the integrated measuring device for the multiple-point type flow velocity pressure temperature, multi-point measurement on the same pitot tube is achieved, flow velocity of a cross hatching line is directly outputted, accuracy of measurement of fuel gas flow velocity is improved, a gas circuit of a system is shortened, loss of backflow air supply pressure which is caused by the phenomenon that the gas circuit is too long is prevented, the backflow effect is enabled to reach an optimal level, and the gas circuit is prevented from being blocked by dust.

The invention relates to a switch cabinet partial discharge detection system. The switch cabinet partial discharge detection system includes a handheld detection device and an ultrahigh frequency sensor built in a switch cabinet, wherein the handheld detection device and the ultrahigh frequency sensor are connected with each through a coaxial cable; the ultrahigh frequency sensor built in the switch cabinet includes an antenna radiation layer, a dielectric layer, a feed probe and a BNC cable connector; one surface of the dielectric layer is directly attached to inner wall of the switch cabinet; the shell of the switch cabinet is adopted as signal reference ground of the ultrahigh frequency sensor; the antenna radiation layer is laid on the other surface of the dielectric layer; the feed probe is vertical to and is arranged in the dielectric layer; the inner end of the feed probe is connected with the antenna radiation layer; the other end of the feed probe is connected with the inner core of the BNC cable connector which passes through a through hole in the wall of the switch cabinet from outside to inside; and the shell of the BNC cable connector is electrically connected with the switch cabinet. According to the switch cabinet partial discharge detection system of the invention, the ultrahigh frequency sensor can be installed on site conveniently and has excellent directionality. With the switch cabinet partial discharge detection system of the invention adopted, power frequency signals can be extracted from onsite lighting signals so as to be adopted as phase reference for partial discharge, and therefore, analysis on a phase where of partial discharge occurs can be realized.

The present invention relates to an apparatus and to a method for mapping a three-dimensional space in medical applications for diagnostic, surgical or interventional medicine purposes. The apparatus and the method according to the invention use acquisition means capable of recording two-dimensional images of said three-dimensional space from at least a first recording position and from a second recording position, and a reference target, comprising a plurality of marker elements and movable between a first target point and a second target point of said three-dimensional space. A processing unit, adapted to receive data indicative of a first image and of a second image of said three-dimensional space, comprises computerized means adapted to calculate registration data to register the two-dimensional reference systems, used to express the coordinates of the points of said first image and of said second image, with the three-dimensional reference system, defined by the marker elements of said reference target.

The invention relates to a buoyancy, portable and automatic device for clearing floating impurities on a water surface. The buoyancy, portable and automatic device for clearing the floating impurities on the water surface comprises 3-6 connected floating balls floated above the water surface in a pool, a sewage collecting device arranged under the water surface in the pool, an adjustable connecting device for fixing and locating, which is connected with the floating balls and the sewage collecting device, and a drain device arranged under the sewage collecting device, wherein the sewage collecting device comprises a collector with a sludge discharge hole, a fully-closed cavity floating ball connected and located under the collector, a first discharge pipe arranged in the fully-closed cavity floating ball in a penetrating way, and a balancing weight located on the bottom part of the first discharge pipe. Each floating ball is in an olive shape and is of a transverse plastic body, the balls are in frame connection by adopting UPVC (Unplasticized Polyvinyl Chloride) pipes. The buoyancy, portable and automatic device for clearing the floating impurities on the water surface can be adjusted to any position requiring clearing the impurities according to the need without a fixing device, and not only can be used for collecting sludge and the like, but also can be used for collecting leaves, plastic bags and other floating objects with larger size.

The invention provides a check valve capable of analyzing the liquid supply condition of an oil well and a method for analyzing the liquid supply condition of the oil well. The check valve capable of analyzing the liquid supply condition of the oil well comprises a valve body, a valve element, a seal seat and a spring, wherein the valve element, the seal seat and the spring are located in the valve body, and one end of the spring is connected with the valve body, the other end of the spring is connected with the valve element, and the seal seat is fixed into the valve body. Under the action of the spring, it is achieved that the valve element is in close contact with the seal seat. The check valve capable of analyzing the liquid supply conditioner of the oil well further comprises a lighting unit, a cooling unit, a support, a control chamber, a collection box, an indication rod, a data storage unit, a wireless transmitting unit, an antenna, an image sensor, a temperature sensor and a data processing unit, and through all the units, collection, analysis, calculation and transmission of images are achieved. The check valve capable of analyzing the liquid supply condition of the oil well is easy to install on site. Contactless measurement and the high-definition image sensor are adopted, the accuracy of collected data is high, the real-time performance is high, the liquid supply change condition of the oil well in each period can be reflected, and the function of automatic diagnosis of the oil well working condition is achieved.

The invention discloses a G3 data forwarder and a meter recording method for the same. The G3 data forwarder comprises an MCU (master control unit), a PLC (programmable logic controller) modem circuit, an analogue front-end circuit, a line driving circuit, an RS485 circuit, a serial port circuit and a power circuit, wherein the MCU is connected with the PLC modem circuit through a serial port; the PLC modem circuit is connected with the line driving circuit through the analogue front-end circuit; the line driving circuit is connected with a power line; the MCU is connected with the RS485 circuit; the serial port of the MCU is connected with the serial port circuit; the power circuit is used for supplying power to the circuits. According to the G3 data forwarder and the meter recording method for the same, an attenuated carrier signal is firstly amplified and then retransmitted, and data transmitted to a G3 carrier network by a concentrator can be forwarded to a 485 network to indirectly bring electric energy meters adopting an RS485 communication mode into the coverage range of a G3 carrier meter recording system, so that the investment of a client is saved.

A shock absorption and insulation supporting seat with a transverse elastoplasticity beam falling prevention device comprises the beam falling prevention device, an orbit and a bridge supporting seat which comprises an upper supporting seat plate, a middle supporting seat plate and a lower supporting seat plate which are sequentially connected and fixed. The orbit is a troughlike orbit and is connected to and fixed on the lower supporting seat plate along the direction of a bridge. The beam falling prevention device comprises a plurality of cantilever beams having the same strength, one end of the beam falling prevention device is connected to and fixed on the upper supporting seat plate, and the other end is inserted into the orbit. The middle supporting seat plate of the bridge supporting seat is a spherical supporting seat and also comprises a rotating spherical surface and a sliding surface, the rotating spherical surface is connected to and fixed on the spherical surface structure at the upper part of the middle supporting seat plate, and the sliding surface is connected to and fixed on the spherical surface structure at the lower part of the middle supporting seat plate. The beam falling prevention device has elastoplasticity, prevents a beam body from widthwise shedding from the supporting seat, has the capability for absorbing shock and dissipating energy along the transverse direction of the bridge, and has simple structure and convenient field installation.

The invention relates to an insulation facing tile, and a production method thereof. The insulation facing tile is characterized in that the hollow tile is made of the low weight insulation material, either the left side or the right side of the hollow tile is produced to be raised head shaped, the other side is produced to be a groove shape which can be put into the raised head, the hollow part of the hollow tile is filled with an insulation body made of the insulation material and tightly combined with the inner surface of the hollow tile, and a colored ornament surface is adhered on an adhesive layer on the outer surface of the hollow tile. The ornament surface of the tile is directed outward, the raised head of another tile is inserted into the groove and leveled, and the joint is filled with insulation mortar, to form an outer wall. The tile integrates three construction processes of a wall enclosure structure, an insulating layer, and the ornament surface layer together, the on-site installation is simple, convenient, and quick, the quality is easy to be ensured, with safety and reliability, and crack, falling off, cold bridge, alkali resistance and molding of the outer wall surface are avoided; the requirements on energy conservation, environmental protection and aesthetic appearance are met, and the insulation effect is good; the invention can replace a hollow tile, an outer wall insulation adhesive ornament surface and an invention ornament plate.

The invention relates to a Fenton reaction system and a method for treating organic pollutants in waste water by the Fenton reaction system. The Fenton reaction system comprises an ejector, a coil pipe, and a reaction tank orderly connected through pipelines; waste water and a Fenton reagent are pumped into the ejector through a pipeline, is mixed with the Fenton reagent, flow into the coil pipe for a mixing reaction, and then flow into the reaction tank with a pressure adjusted by a needle valve for a Fenton reaction. The method for treating organic pollutants in waste water comprises: (1) adjusting the pH value of the waste water, pumping the waste water into the pipeline, mixing the waste water with an oxidant solution and a catalyst solution of the Fenton reagent respectively in the ejector, allowing the mixtures to flow into the spiral coil pipe for a mixing reaction; (2) allowing the product of the mixing reaction to flow into the reaction tank with a pressure adjusted by a needle valve for a Fenton reaction; (3) adjusting the pH value of the effluent of the reaction tank with alkaline liquor, performing precipitation, discharging sludge into a sludge workshop for treatment, and discharging the supernatant into a biochemical pool.

The invention discloses an operation protection control system for tamping wagon. The operation protection control system comprises a lower motherboard and a program-controlled motherboard, wherein the lower motherboard is used for acquiring a track lifting operation analog quantity and a track lining operation analog quantity, and converting the analog quantities into digital quantities; the lower motherboard is used for calculating a total track lifting quantity according to the track lifting operation digital quantity, calculating a total track lining quantity according to the track lining operation digital quantity, judging whether an operation blocking condition is satisfied or not according to the total track lifting quantity and the total track lining quantity, and transmitting a judgement result to the program-controlled motherboard; when the program-controlled motherboard receives an operation blocking signal, a program-controlled logical signal of a corresponding operation action is eliminated, and an electric signal of a corresponding operation control valve is cut off. By adopting the operation protection control system, the technical problems of severe accidents such as over track lifting, over track lining, even circuit damage and smashing of steel tracks since a conventional tamping wagon cannot implement self-protection during operation and an operation mechanism does not stop running in an emergency can be solved.

The invention discloses a novel assembled joint applicable to a monolayer triangular space grid structure. The novel assembled joint is mainly composed of five parts, namely a center joint, connecting sleeves, high-strength bolts, upper and lower cover plates and a center bolt. The center joint is composed of a center circular ring and six connecting arms in connection. The connecting sleeves are machined from steel tubes. Bolt holes are arranged in corresponding positions of the center joint, the sleeves and road pieces. During assembly, one end of each sleeve is sleeved with one connecting arm while the other end of the same is sleeved with one rectangular steel tube, the sleeves, the connecting arms and the rectangular steel tubes are connected through the high-strength bolts, bending moment and axial force of the rod pieces are transmitted through the bolts and friction and mechanical squeezing among the steel tubes, the sleeves, the connecting arms and the center ring, and the triangular space grid structure joint is formed by all the connections. The assembled joint is wide in application range, convenient for industrialized batch production, good in assembling capacity, convenient to construct, high in construction and assembly quality, capable of meeting the requirement of the monolayer space grid structure on joint bearing capacity and rigidity and broad in application prospect.

A large-corner high-friction shock-absorbing and shock-isolating support comprises a left laminated rubber block and a right laminated rubber block, a bottom plate, a lower seat board, a middle seat board, an upper seat board, a low-friction-coefficient friction pair, a high-friction-coefficient friction pair, a shearing pin, a stopper and a vertical follower mechanism, wherein horizontal displacement occurs between the upper seat board and the bottom plate, and the laminated rubber block has shearing deformation for providing a restoring force; both the stopper and the shearing pin are used for bearing the horizontal force; the stopper has relatively high designed bearing capacity and cannot be destroyed under the action of any earthquake; the shearing pin has relatively low designed bearing capacity and can be sheared under the action of a great earthquake; the low-friction-coefficient friction pair is used for meeting requirements of corners; the high-friction-coefficient friction pair is used for dissipating earthquake capability. The large-corner high-friction shock-absorbing and shock-isolating support provides vertical bearing capacity and horizontal bearing capacity in normal use, can meet the requirement for deformation of relatively big corners of a long-span bridge and a long-span spatial structure, effectively reduces the seismic response of a bridge structure under the action of the earthquake, and ensures the anti-seismic safety of the bridge.

The invention discloses a real-time voltage monitor device of a 10KV power distribution network, which comprises a voltage detection unit, an electricity taking unit and a communication unit which are connected with a central processing unit MCU (Micro Control Unit) respectively, wherein the voltage detection unit comprises a multi-selection analog switch connected with three-phase voltage signals; the multi-selection analog switch is connected with an AD / CD (Analog-Digital / Continuous-Discrete ) conversion unit; the electricity taking unit comprises an energy taking unit connected with a high-voltage power supply line; the energy taking unit is connected with a voltage-stabilizing output unit by an overcharging / overdischarging protection circuit; the voltage-stabilizing output unit is connected with a power supply module and a storage battery power supply module respectively; the power supply module and the storage battery power supply module are connected with a voltage boosting module respectively; the central processing unit MCU is connected with the high-voltage power supply line through the electricity taking unit to supply power; and the three-phase voltage signals collected by the voltage detection unit are transmitted to a management system through the communication unit for real-time monitoring and alarm. The device effectively achieves monitoring of 10KV voltage equipment, can monitor line voltage situations in real time for a long term, and is low in investment and convenient to mount and maintain.

The invention discloses a transmission gear of a tube mill. An input shaft (15) is arranged on a torsion frame (13); an input mating gear (17) is engaged with an input gear (14) on the input shaft (15); a flexible hollow shaft (16) is arranged at the centre of a join box body (3); the input mating gear (17) and a secondary sun wheel (5) are arranged on the flexible hollow shaft (16); a secondary planetary wheel (6) on a secondary planetary wheel shaft (7) is engaged with the secondary sun wheel (5); a secondary inner gear ring (4) is arranged on the join box body (3); the secondary planetary wheel shaft (7) is connected with a tertiary sun wheel (8); a tertiary planetary wheel shaft (9) is arranged on a tertiary planetary frame (10) on the torsion frame (13); a tertiary planetary wheel (11) on the tertiary planetary wheel shaft (9) is engaged with the tertiary sun wheel (8); and a tertiary inner gear ring (12) is connected on the join box body (3). The transmission gear is of fully enclosed structure and is connected by flanges, the installation is easy, and the installation period is short.

An anchor cable yield device capable of realizing working load visualization comprises a pressure plate, a limiting cylinder, a yield metal column, a pressure plate and an anchor cable lock sequentially sleeved on an anchor cable. A reflective stripe group is attached to the upper portion of the outer wall of the limiting cylinder, and reflective stripes are attached to the outer wall of the pressure plate. The section, attached with the reflective stripe group, of the limiting cylinder is provided with a plurality of observation slots, the relative positions of the reflective stripes on the outer wall of the pressure plate and the reflective stripe group on the outer wall of the limiting cylinder can be observed through the observation slots, and accordingly real-time working load conditions of the anchor cable can be visually judged. By means of the anchor cable lock applying pretightening force to the anchor cable, working load of the anchor cable in yield deformation can be controlled effectively to be within the ultimate load of the anchor cable. The anchor cable yield device is simple in structure, easy for field mounting, convenient to maintain and effective in use.

The invention discloses a cable type fault detector. The cable type fault detector comprises a short-circuit fault indicator and a zero-sequence current mutual inductor. The short-circuit fault indicator comprises a power-taking current mutual inductor, a measuring current mutual inductor, a CT (Captive Test) power supply circuit, a phase current measuring circuit, a wireless communication module, an MCU (Microprogrammed Control Unit) and a zero-sequence current measuring circuit, wherein the power-taking current mutual inductor is connected with the power supply end of the MCU by virtue of the CT power supply circuit; the measuring current mutual inductor is connected with an I / O (Input / Output) port of the MCU by virtue of the phase current measuring circuit, and used for transmitting a detected phase current transmitting signal to the MCU; the zero-sequence current mutual inductor is connected with the A / D (Analog to Digital) sampling port of the MCU by virtue of the zero-sequence current measuring circuit, and used for transmitting a detected current transmitting signal to the MCU; the serial interface of the wireless communication module is connected with the I / O port of the MCU by virtue of an SPI (Single Program Initiation) bus. The cable type fault detector disclosed by the invention adopts a structural form with a plurality of current mutual inductors to carry out short-circuit and grounding fault detection, thereby effectively improving the current measuring precision and lowering the equipment start-up current.

The invention discloses a method for construction of a continuous grid frame 0# section or a linear section through an assembly-type bracket corbel construction device, and particularly relates to a method for construction of a continuous beam linear segment without a floor stand. The method comprises the following steps that (1) a horizontal transverse beam, a vertical supporting mechanism, a slant supporting mechanism, a tie bar, a shear-resisting plug, an embedded steel tube and an embedded steel box are manufactured; (2) the embedded steel tube and the embedded steel box are installed; (3) a corbel tripod is formed by the horizontal transverse beam, the vertical supporting mechanism and the slant supporting mechanism; (4) when the corbel tripod is installed in place, stress is borne by the shearing-resisting plug, the tie bar penetrates through the embedded steel tube and is used for tensioning the horizontal transverse beam and the two ends of the tie bar are fixed; (5) after a bracket is installed, following construction of a bottom die platform and beams is conducted; (6) connection bolts of the tripod are detached, the tripod is put down in a hanging mode and is detached into independent rods which are not assembled, then, the shearing-resistant plug and finish-rolled threaded steel pull bars are detached, and all components are transferred to the next construction point for reassembly or are transferred to a stock for storage.

The invention discloses a high-friction antivibration support and a preparation method of the high-friction antivibration support, belonging to the technical field of bridge supports. The high-friction antivibration support has the main technical characteristics that the high-friction antivibration support comprises a lower base plate, a middle base plate and an upper base plate, wherein a low-friction coefficient plane friction pair is arranged between the upper base plate and the middle base plate, a low-friction coefficient spherical friction pair is arranged between the middle base plate and the lower base plate, a bottom plate is arranged below the lower base plate, a high-friction coefficient plane friction pair is arranged between the lower base plate and the bottom plate, and a laminated rubber block is arranged between the upper base plate and the bottom plate. According to the high-friction antivibration support, the high-friction coefficient plane friction pair is mainly used for dissipating earthquake capability in the earthquake. When horizontal displacement is generated between the upper base plate and the bottom plate, the laminated rubber block generates shear deformation. Horizontal restoring force is provided through the laminated rubber block, lateral bearing stiffness of a series system of bridge piers and the support is smaller than that of bridge piers, so that the effects of prolonging the period and reducing the earthquake response can be achieved.

The invention discloses a prefabricated floating slab ballast bed vibration isolation system which includes a tunnel structure and a plurality of groups of floating slabs. The floating slabs are adjacently spliced to form a strip ballast bed, the strip ballast bed is embedded at the bottom of the tunnel structure, and inner side face parts of the tunnel structure and the strip ballast bed are filled with wear-resistant elastic layers. The floating slabs each are a precast concrete plate which is of a #-shaped structure, the center of the precast concrete plate is provided with a first maintenance groove with a rectangular cross section, short sleepers are equidistantly arranged in the length direction of the precast concrete plate, connecting supporting arms extend on the two sides of thewaist of each short sleeper, the two sides of each connecting supporting arm are provided with U-shaped grooves with outward openings, installing grooves are reserved at the bottom of the U-shaped grooves, groove steel is adaptively mounted in the U-shaped grooves, and through holes are formed between the two-side U-shaped grooves. The prefabricated floating slab ballast bed vibration isolation system not only is convenient to transport, but also makes it easy to perform splicing and maintenance in a tunnel, can ensure running safety and have high vibration isolation capability.

The invention discloses a two-vertical-column belt lifter capable of separating a workpiece from rail to realize transshipment. The two-vertical-column belt lifter comprises a lifter foundation, two vertical columns, a lifter top frame and sliding frames; the bottoms of the vertical columns are connected with the lifter foundation; the lifter top frame is connected to the tops of the vertical columns; the sliding frames can be assembled on the vertical columns in a mode of sliding in a vertical direction; the lifter top frame is provided with drive roller assemblies and redirection roller assemblies; the drive roller assemblies are connected with a drive motor; and one end of each of four drive belts is connected with a counter weight assembly, and the other ends of the four drive belts move around the drive roller assembly and the redirection roller assembly respectively and are connected with the ends of the two sliding frames. The belt lifter has a simple structure, and occupies small space, and the whole belt lifter is subjected to modularized threaded connection assembly, so the belt lifter is easy to install at site; the sliding frames are distributed on two sides of a line body, four-point positioning is performed, and the workpiece can be separated from the rail and is transshipped; and equipment is high in running speed, and is low in noise, and easy to maintain, a user can accelerate production rhythms conveniently, and yield can be improved.

The invention provides a construction method of an arc-shaped full glass balustrade. The method comprises the following steps that during the concrete balustrade steel bar binding, sectional materials with the radian are pre-buried; upper openings of the sectional materials are cut off; arc-shaped glass is arranged in the sectional materials; and a rubber gasket is filled in a gap formed between the arc-shaped glass and the sectional materials, in addition, the arc-shaped glass is fixed through silicone structural glue, and the construction is completed. The invention also provides a pre-buried arc-shaped sectional material so that the installation of the arc-shaped full glass is convenient, the problems of unsmooth split between the glass balustrades and non-attractive appearance are sufficiently solved, the building design and function requirements are met, the on-site installation is simple and compact, the glass is safe and firm, the appearance is attractive, the sight line cannot be blocked, and in addition, the maintenance and the replacement are convenient.

The invention relates to a connecting element for building framework structures, which comprises an integrally formed connecting element body and a plug head convexly arranged on the connecting element body, wherein the plug head comprises two symmetrical side-by-side U-shaped convex parts convexly arranged on the connecting element body, openings of the U-shaped convex parts are opposite, and the distance between corresponding surfaces of the two position limiting convex parts is matched with the vertical part of H-shaped steel or I-shaped steel with the end part being processed into a T shape. The connecting element for the building framework structures has the advantages that the fastening connection or the welding and the like are greatly reduced, and the defects of poor stress and weak connection of connecting positions caused by excessive stress concentration in the connecting positions between beams and columns or between beams are greatly reduced, so the installation efficiency, the earthquake resistance function and the use safety of the building framework structures are greatly improved, the service lives of the building framework structures are greatly prolonged, and beam and column connecting elements can be produced in a standardized mass production way in advance.

The invention discloses a heavy belt-type movement machine, which comprises a rack and a bearing roller machine arranged on the rack, wherein the bearing roller machine comprises a support,and at least a drive roller and a plurality of driven rollers arranged on the support, the drive roller is connected with a roller drive motor through a driving belt, the drive roller and each driven roller are connected by the driving belt, two travelling wheels are installed on two sides of the rack repectively, a track is arranged to match with the travelling wheels, the travelling wheels are connected with a travelling wheel drive motor through a transfer group and the travelling wheel on at least one side of the rack is installed with a limit guide wheel. According to the invention, the heavy belt-type movement machine has a simple and compact structure and small occupied space, and is stable and reliable; can bear heavy workpiece, and is easy to maintain by adoption of belt-type drive; and the adjustable range of the transfer speed is wide, and the flexibility of the whole logistics transportation system is better, thereby being helpful for speeding up production rhythm, improving productivity and optimizing production process.

The invention provides a motor vehicle exhaust telemetering system, and belongs to atmospheric pollution source monitoring equipment. The problems that tail gas of an existing motor vehicle is difficult to monitor, the detection range of the monitoring equipment is small, arrangement is troublesome, and debugging is complicated are solved. The motor vehicle exhaust telemetering system is providedwith a laser emission module and an ultraviolet emission module, data of CH, NO, CO and CO2 can be monitored simultaneously, and the monitoring range is wide; meanwhile, an integrated measuring cell which is constituted by a telemetering host and an optical reflecting unit is adopted as a monitoring point, arrangement is simple, and during debugging, what is needed is to simply debug the optical reflecting unit.

The invention provides a charged pluggable high voltage electric energy metering device which comprises a combined mutual inductor fixedly arranged on a metering cabinet back plate, a main metering drawer and an auxiliary metering drawer. A first A-phase electric energy metering component and a first C-phase electric energy metering component are arranged on the main metering drawer and form a main meter metering device together. A second A-phase electric energy metering component and a second C-phase electric energy metering component are arranged on the auxiliary metering drawer and form an auxiliary meter metering device together. The invention further provides a charged pluggable high voltage electric energy metering method. The structural mode of the metering drawers is adopted, and field mounting, detection, comparison and replacement of a user are facilitated better. Double-metering-drawer design is adopted, a standard meter can carry out charged detection on a main meter conveniently, the device and method can be used for field metering and comparison on the main meter and an auxiliary meter, the aim of metering data redundancy is achieved, and data are safer and easier to restore.

The invention discloses an Internet of Things intelligent meter reading system. The system comprises a camera, a central processing unit, an indicator light, a wireless communication module, a power supply and a voltage conversion module. In the meter reading system, the indicator light is turned on through the central processing unit, then the camera is turned on and collects an image of the inside of an instrument panel, and the central processing unit processes the image, determines the reading and then transmits the collected number and the associated information about a native machine to a repeater of the system through the wireless communication module together. The designed Internet of Things intelligent meter reading system is low in manufacturing cost, less in later maintenance work and low in maintenance cost, and the designed structure is compact and simple; besides, the Internet of Things intelligent meter reading system extensive applicability and practicability. The field installation is easy, and the system is simple in maintenance and has wide application prospects.

The invention discloses an infilled wall connecting mode with a recoverable energy consumption function. The infilled wall connecting mode comprises a frame, an infilled wall and at least one structural unit, wherein the structural unit comprises two pieces of T-shaped steel, the two pieces of T-shaped steel are parallel to each other and are connected between a frame beam and the infilled wall, the two pieces of T-shaped steel can move relatively and transversely, the two pieces of T-shaped steel are in bolted connection with the wall and a flange of the frame beam, the two sides of web plates of the two pieces of T-shaped steel are each provided with a friction outer plate which is in sliding friction with the two pieces of T-shaped steel, and the two friction outer plates are connected with the T-shaped steel through elastic reset assemblies. According to the infilled wall connecting mode, the energy dissipation effect is achieved through friction sliding between the web plates of the T-shaped steel and the friction outer plates, the self-reset function is achieved through the elastic reset assemblies, damage to the infilled wall can be effectively reduced or avoided through a mutual transverse dislocation mechanism of the two pieces of T-shaped steel, the energy dissipation function and the recoverable function of the steel frame-infilled wall structure are achieved, and the anti-seismic requirements of different levels can be met.

The invention relates to an elevator hoistway door system and solves the problems that an existing elevator hoistway door system has low utilization rate for the space of a shaft and due to adoption of a steel wire rope for linkage, the existing elevator hoistway door system has a complex structure and is inconvenient to install. The elevator hoistway door system comprises a hoistway door and an upper sill with guide rails; the hoistway door comprises door sheets and hanging plates connected to the upper parts of the door sheets; sliding wheels are respectively arranged on two hanging plates; the two hanging plates are connected to the guide rails in a sliding manner by the sliding wheels; two door sheets are of an embedded structure; and traction mechanisms are arranged between the two hanging plates. The hoistway door adopts the embedded design, so that the two door sheets only occupy the space of one door sheet originally and a door opening only needs to be formed on one side of a lift car, so that the space is saved and the utilization rate of the shaft is improved. The traction mechanisms capable of drawing each other are arranged between the hanging plates corresponding to the two door sheets, so that a complex steel wire rope linkage mechanism in an existing upper sill is omitted and the elevator hoistway door system has a simpler structure, and is low in cost, light in weight and easy to install on site.