86results about How to "Reduce on-site installation time" patented technology

The invention provides a bridge high-tower construction method, and belongs to the technical field of road and bridge construction. The bridge high-tower construction method comprises the steps that an initial segment of a tower column and a second section of the tower column and a third section of the tower column are constructed, then a climbing formwork body is installed on the tower column, alower tower column and a middle tower column are constructed, a fourth section of the tower column and above parts adopt climbing formwork construction, and the outer side of the climbing formwork body is totally sealed. The fourth section of the tower column and above parts adopt climbing formwork construction, punched steel meshes are used for totally sealing the outer side of the climbing formwork body, the sealed environment enables the internal operation environment of a climbing formwork to be significantly improved, and normal operation such as tower column reinforced steel bar bindingand concrete pouring in strong-wind weather is ensured. The invention further provides construction equipment used for the bridge high-tower construction method.

The differential flow plate (102) is insertable within the fluid channel (106), includes a fluid barrier (110) extending along the outer periphery of the fluid channel (106), forming a restricted fluid opening, and a temperature sensor channel (120) , set near the fluid barrier (110).

The invention discloses a variable-volume deep-sea butterfly-shaped net cage and a regulation and control method thereof. A central column sequentially penetrates through the middles of an upper butterfly-shaped net cage and a lower butterfly-shaped net cage, the upper butterfly-shaped net cage and the lower butterfly-shaped net cage are symmetrically arranged, the opposite ends of the upper butterfly-shaped net cage and the lower butterfly-shaped net cage are connected to the end parts of the central column through an upper flange plate and a lower flange plate respectively, the opposite ends of the upper butterfly-shaped net cage and the lower butterfly-shaped net cage are rotationally connected to the middle of the central column correspondingly, the periphery is connected through multiple pins, the upper flange plate and the lower flange plate are correspondingly connected to a signal collector, an underwater power generation traction platform is connected to the lower flange plate, a control system is installed on the underwater power generation traction platform and is in signal connection with the underwater power generation traction platform, and the upper butterfly-shaped net cage, the lower butterfly-shaped net cage and the signal collector are correspondingly in signal connection with the underwater power generation traction platform and the control system. According to the variable-volume deep-sea butterfly-shaped net cage and the regulation and control method thereof, damage caused by collision among rod pieces due to impact force of wave motion can be effectively avoided, a large amount of labor force can be saved, safety accidents caused by underwater work of workers in a severe environment are avoided, and response can be made in time in the sudden change environment, and damage to the net cages is avoided.

The invention discloses an automatic installing method of curtain wall plate robots. The curtain wall plate robots work according to the following steps that a construction tool is positioned on the site through a total station; keels are cut by the robots, the cut keels are positioned on a wall face to be installed, and the keels comprise transverse keels and longitudinal keels; the robots punchstone curtain wall plates according to the outlines of the stone curtain wall plates; back bolt screws and hangers are installed on the punched stone curtain wall plates; the robots convey the stone curtain wall plates to the designated positions to be installed; the total station scans the wall face outline and acquires the irregular gap outline of the wall face; the keels and the stone curtain wall plates continue to be installed according to the irregular gap outline of the wall face; and the robots comprises a first robot and a second robot. According to the automatic installing method ofthe curtain wall plate robots, the total station is used for robot positioning in the site curtain wall plate installing process, the higher positioning precision, the shorter positioning time and thelow cost are achieved, installation of curved-surface and special-shaped complex wall face curtain wall plates is facilitated, and the automatic installing method of the curtain wall plate robots issuitable for large-scale popularization.

The invention discloses a lengthening joint containing a prefabricated concrete-filled steel tube core column component and a construction method of the lengthening joint. The lengthening joint comprises an upper-section core column, a lower-section core column, a steel reinforcement framework, a joint concrete layer and out-of-tube concrete layers. The bottom end of the upper-section core columnis connected with an upper flange plate, the top end of the lower-section core column is connected with a lower flange plate, a connecting assembly comprises a connecting plate, bonding glue layers and high-strength bolts, the connecting plate is arranged between the upper flange plate and the lower flange plate, air holes are formed in the middle of the plate face of the connecting plate at intervals, the bonding glue layers are arranged between the connecting plate and the upper flange plate and between the connecting plate and the lower flange plate, and the upper-section core column and the lower-section core column are connected through the high-strength bolts; and the steel reinforcement framework is arranged around joints of the upper-section core column and the lower-section core column, and the joint concrete layer is poured between the out-of-pipe concrete layer on the outer side of the upper-section core column and the out-of-pipe concrete layer on the outer side of the lower-section core column. The technical problems that the thickness of an existing joint cannot be adjusted, inclination deviation exists, compression deformation is large, force transmission is not reliable, construction efficiency is low, and concrete in a steel pipe is difficult to pour are solved.

The invention discloses a novel gravity multi-disc thickener. The thickener comprises a tank body and a hollow main shaft mounted on the tank body, and a plurality of filter discs are arranged on thehollow main shaft; an upper cover is arranged above the tank body in a covering manner, and a spraying device is arranged at the upper cover; and a feeding hopper and a discharging hopper are oppositely arranged on two sides of the hollow main shaft of the tank body; and filtrate outlet boxes are respectively arranged at two axial ends of the hollow main shaft. Each filter disc comprises a plurality of fan-shaped filter frames, and filter screens cover the fan-shaped filter frames; each fan-shaped filter frame comprises a fan-shaped frame consisting of an outer arc plate, an inner arc plate and two support rods arranged along the radial direction, grid plates are symmetrically arranged on two axial sides of the fan-shaped frame respectively, and filter screens cover the grid plates; the axial width of the outer arc plate is smaller than that of the inner protection plate, so that the two grid plates get close to the center in the direction from the inner arc plate to the outer arc plate, and a frustum-shaped section structure with a small outer end and a large inner end is formed. The thickener is compact in structure, efficient and reliable in dehydration effect, large in effective dehydration area and easy to operate.

The invention discloses a settlement joint treatment structure comprising threaded support rods (1), bases (2), steel balls (3), hemispherical devices (4) fitting the steel balls, a bottom plate (5), and stone (6). The threaded support rods (1) and the bases (2) are combined and fixed on a concrete floor. The steel balls (3) are connected with the threaded support rods (1) through internal threads to serve as height-adjustable support devices. The hemispherical devices (4) are fixed at positions below the bottom plate (5) and corresponding to the steel balls (3). The stone (6) is bonded on the bottom plate (5). The edge of the stone (6) is provided with edge joints (7). The hemispherical devices (4) and the steel balls (3) are corresponding fitted and combined into a complete structure. Semi-finished products that can be assembled in situ can be produced by taking the advantage of backfield mechanical semi-finished products, manpower cost of field operation is reduced, and technical requirements are lowered.

The invention provides an installation method for an overhaul security fence. The method comprises the following steps of: 1) perforating an installation hole according to a design requirement; 2) positioning and installing an upright post sleeve by using a positioning explorator; and 3) installing and assembling groups of upright posts and railings into the upright post sleeve to quickly install the overhaul security fence on site. The railings and the upright posts in the method are grouped in a factory, with high installation precision and high production efficiency; the installation holes on the railings or the upright posts are circular holes, so the connection rigidity is high and anti-impact capability is high. During on-site construction, the railings and the upright posts can be directly inserted into the upright post sleeve to be fastened, and the respective grouped railings and upright posts are connected together, so the on-site installation time is saved, the severe environment has small influence on the installation, and the whole appearance is attractive and standard.

The invention belongs to the technical field of coal-mine underground single hydraulic-prop transportation, particularly relates to a rapid transporting device for an underground single hydraulic prop and a transporting method finished by the rapid transporting device and solves the problems of great worker labor intensity and difficult safety guarantee of traditional single hydraulic-prop support. The device comprises a plurality of main-wheel groups, a driving-wheel group, a chain, a plate-bending assembly and a track. According to the transporting method, a double-end closed-type railway is adopted, and the plurality of main-wheel groups can be recycled in the processes of hanging a transporting railway and transporting the single hydraulic prop, so that the rapid transportation of the single hydraulic prop is realized. According to the transporting device and the transporting method, the requirement on the rapid transportation of the single hydraulic prop at a mining area can be met; in addition, the time and the labor are saved, the labor intensity of workers is lowered, the auxiliary time is shortened, the safety is improved, and the production efficiency of a fully-mechanized coal-mining surface is improved.

The invention relates to the technical field of automobile charging, in particular to a modular high-power off-board charger. The charger comprises an alternating current module, a direct current module, a rectification module and a wiring harness module, the alternating current module is provided with an alternating current module connector, the direct current module is provided with a direct current module connector, the rectification module is provided with a rectification module connector, the wiring harness module is provided with an alternating current wiring harness connector in butt joint with the alternating current module connector, a direct current wiring harness connector in butt joint with the direct current module connector and a rectification wiring harness connector in butt joint with the rectification module connector, and the alternating current wiring harness connector, the direct current wiring harness connector and the rectification wiring harness connector are electrically connected in the wiring harness module. The modular high-power off-board charger provided by the invention not only can be installed on site by a single person, but also does not need wiring during installation, and is convenient and fast to install.

The invention discloses a full-surrounding type refrigerator protection device and a packaging method, and relates to the technical field of refrigerator packaging. The full-surrounding type refrigerator protection device comprises an air column bag formed by heat sealing of two layers of films, wherein first heat sealing lines are formed along the edges of the two layers of films; the air column bag is of a rectangular structure, and a rectangular annular structure matched with the periphery of a refrigerator is formed between the head and the tail of the air column bag through heat sealing; a single-layer air column film is fixed on the edge of an opening in one end formed by connecting the air column bag end to end through heat sealing, so that a semi-sealed space with an opening in one end is formed; the inside of the semi-sealed space formed by the single-layer air column film and the air column bag is sleeved with the refrigerator; and a plurality of mutually parallel and mutually independent air columns are formed in the air column bag through second heat sealing lines. According to the full-surrounding type refrigerator protection device, the interior of the semi-sealed space formed by the single-layer air column film and the air column bag is sleeved with the refrigerator, a PE film protective cover and a four-side strip protective plate are replaced, the operation procedures are reduced, the operation time is shortened, and the operation difficulty is reduced.

A field installable fiber optic connector is formed without the need to splice two opposing optical fibers together. A ferrule flange assembly with one or more crimp zones secures an optical fiber therein. The assembly is secured within a plug frame housing that has a bias spring, both secured therein by an extender cap. A cable retainer with at least two wings secures the optical cable when a retainer nut is screwed onto a backpost of the extender cap.

A bridge stand column support-free construction method comprises the steps: processing of a stand column reinforcement cage: the stand column reinforcement cage is machined through a reinforcement cage jig frame; measuring the pre-embedded position of the stand column: lofting the direction line of the outer side line of the stand column onto a bearing platform template, and pulling out the central outline of the stand column by using a fine line to serve as a reference line of a stand column pre-embedded reinforcement cage; and integrally hoisting the stand column reinforcement cage: inserting the reinforcement cage into the bearing platform and not installing opposite-pull hook ribs and inner stirrups of the part above the bearing platform surface, binding the part of steel bars insertedinto the bearing platform after the stand column reinforcement cage is hoisted in place and fixed, and mounting the opposite-pull hook ribs and the inner stirrups within the range of the part above the bearing platform surface after a concrete surface is roughened and cleaned. Compared with the prior art, centralized modular machining, manufacturing and mounting of steel bars are achieved, the reinforcing steel bar machining jig frame and the reinforcing steel bar end positioning frame are used for machining the bridge stand column reinforcing cage in a workshop, and the reinforcing steel barpositioning precision and machining efficiency are improved; and traditional scaffold erecting and formwork erecting procedures are combined, and scaffold-formwork integration is adopted.

The invention belongs to the field of industrial equipment and particularly relates to a smart numerically controlled pipeline oil heater which comprises an automatic controller and a plurality of sets of heating apparatuses. Each heating apparatus comprises a medium-high frequency power supply, a conductive coil and a plurality of sets of paired temperature sensors, wherein the output end of themedium-high frequency power supply is electrically connected with the conductive coil. The automatic controller comprises a signal processing unit and a power supply control unit. The output ends of the temperature sensors are connected with the input end of the signal processing unit. The output end of the signal processing unit is connected with the input end of the power supply control unit. The output end of the power supply control unit is connected with the medium-high frequency power supply so that the medium-high frequency power supply can be controlled to be started or stopped. The smart numerically controlled pipeline oil heater can achieve non-invasive pipeline heating and flow measurement independently or simultaneously, and has the advantages of low energy consumption, high adaptability and reliable performance.

The invention relates to a high-pressure module, in particular to a high-pressure module for a supercritical 350MW three-cylinder steam turbine. The problems that an existing high-pressure module of a three-cylinder steam turbine is complex in steam inlet structure, high in weight and low in cylinder efficiency, thermal expansion of an inner cylinder split flange is uneven, and field installation is inconvenient are solved. Two high-pressure main steam adjusting combination valves are directly connected with a high-pressure outer cylinder through flanges, a high-pressure inner cylinder is installed in the high-pressure outer cylinder, a high-pressure rotor is rotatably installed in the high-pressure inner cylinder, the end of the high-pressure inner cylinder is connected with a high-pressure inner cylinder positioning plate through bolts, a high-pressure outer cylinder positioning plate is connected with the end of the high-pressure outer cylinder through bolts, a high-pressure cylinder adjusting end steam seal and a high-pressure cylinder electric end steam seal are installed on the two sides of the high-pressure outer cylinder respectively, a high-pressure steam supplementing valve is installed on each high-pressure main steam adjusting combination valve, one end of each steam supplementing guide pipe is connected with a corresponding high-pressure steam supplementing valve, and the other end of each steam supplementing guide pipe is connected with a connecting pipe structure of the high-pressure outer cylinder. The invention is used in the supercritical 350MW three-cylinder steam turbine.

The invention relates to a modularized ship ballast water treatment system. The modularized ship ballast water treatment system comprises a mainframe cabinet, a power distribution cabinet, a control cabinet, a filter control box, a detection cabinet, a filter, an EUT electrocatalysis device, an EUT power source, an electromagnetic flowmeter, a valve and a remote control cabinet, wherein the control cabinet is connected with the remote control unit; the mainframe cabinet is provided with a vertical separator; the filter control box, the filter and the valve are arranged at one side of the vertical separator and mounted in the mainframe cabinet from top to bottom; the power distribution cabinet, the control cabinet and the detection cabinet are orderly mounted on the upper part of the other side of the vertical separator; the EUT power source is mounted under the detection cabinet; the EUT electrocatalysis device and the electromagnetic flowmeter are connected with each other and mounted on a mainframe cabinet base plate on the lower part of the power distribution cabinet; the EUT electrocatalysis device is connected with the inlet of a filter by use of a vertical U-shaped pipeline. The ship ballast water treatment system is designed modularly, and is reasonable in layout, compact in structure, small in volume, convenient to mount, high in integrity and automation degree, low in energy consumption, and is advantageous for saving the cabin space and for energy conversation and consumption reduction.

The invention relates to a pipeline protecting device based on a temporary beam. The pipeline protecting device is applied to the technical field of railway construction. The key point of the technical scheme is as follows: the pipeline protecting device comprises the temporary beam. A material frame extending in a length direction of the temporary beam is connected to the side wall of the temporary beam, an end cover for closing a lower frame port is hinged to the bottom of the material frame, and a limiting part for limiting rotation of the end cover is arranged on the material frame. A material guide plate extending upward obliquely is arranged at the upper frame port of the side, far away from the temporary beam, of the material frame, a plurality of supporting racks distributed in a spaced manner in the length direction of the material frame are arranged on the ground, two ends of each supporting rack in a height direction are rotatably connected to center shafts, the two center shafts are provided with a plurality of symmetrically distributed synchronizing wheels, and opposite two synchronizing wheels are connected by a synchronizing belt. The pipeline protecting device has the advantages that pipelines are stored in a protecting box, so that a condition that the pipelines are damaged in actual construction is reduced, and meanwhile, the protecting box which takes the temporary beam as a carrier combines the temporary beam with pipeline protection, so that the pipeline protecting device is convenient and flexible.

The invention discloses a knitting method of bamboo grid packing used in a cooling tower. The knitting method comprises the following steps that 1, raw moso bamboo or other bamboo species which are atthe age of 4-5 years and have good growth vigor are selected, bamboo tubes with the length of 300-900 cm are cut out from the raw moso bamboo upwards from the height of 150 cm away from the ground, the bamboo tubes are sawed into bamboo sections with the length of 300 cm and 150 cm respectively, the bamboo sections are divided into three or four bamboo pieces with the same specifications, whereinthe specifications of the bamboo pieces are as follows, the bamboo pieces which are used for transverse knitting have the length of 300 cm, the width of 4 cm and the thickness of 1 cm, and the bamboopieces which are used for radial knitting have the length of 150 cm, the width of 4 cm and the thickness of 1 cm; and 2, the obtained bamboo pieces are dried through microwaves until the moisture content of the bamboo pieces is 8%-12%, then the bamboo pieces are sent into a special bamboo grid knitting machine for knitting forming, and the bamboo grid packing are stacked and stored reasonably. According to the knitting method of the bamboo grid packing, the bamboo is used for knitting based on the special flexibility of the bamboo, and one-time forming of the packing unit is realized.