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1745results about How to "Simplify the installation process" patented technology

High-temperature superconducting electric maglev vehicle multi-mode damping device based on electromagnetic shunting technology

The invention discloses a high-temperature superconducting electric maglev vehicle multi-mode damping device based on an electromagnetic shunting technology. The high-temperature superconducting electric maglev vehicle multi-mode damping device comprises a coil system and a vehicle suspension frame. Wherein the coil system comprises a vehicle-mounted superconducting magnet, an 8-shaped suspension guide coil and a propulsion coil; the vehicle suspension frame carries a vehicle-mounted superconducting magnet, a low-temperature container, a damping coil and an external circuit module. Accurate design of electromagnetic parameters is achieved through a plurality of branch parallel circuits, dynamic responses of different frequencies can be effectively matched, and multi-mode vibration reduction is achieved in a passive mode. An optimized damping effect can be provided for various vibration modes in a rail system without depending on an active control system, and the vibration reduction performance of the system is remarkably improved. Aiming at different vibration frequencies, adjustment can be carried out by replacing components such as capacitors and inductors in the branches, the structure is simple, and the cost is low.
Owner:SOUTHWEST JIAOTONG UNIV

High-precision variable air volume valve

The invention relates to a high-precision variable air volume valve and an air volume control method thereof. The variable air volume valve is composed of a valve body, a front valve block set, a rear valve block, two actuators and a controller, linear adjustment of the air volume can be achieved, the air volume adjustment precision is improved, and adjustment of high and low air volume intervals is supported. The controller collects pressure difference data of an inlet and an outlet through the pressure difference sensor, and the real-time air volume is calculated through a built-in Kolmogorov-Arnold (KAN) neural network model. By comparing the actual air volume with the target air volume in real time, the controller adjusts the actuator to change the opening degree of the front valve plate set and the opening degree of the rear valve plate set, and accurate air volume control is achieved. According to the technical scheme, the accuracy and the adjusting range of air volume measurement are improved, additional resistance in the air pipe is reduced, and the performance and the operation efficiency of an air conditioning system are remarkably optimized.
Owner:SUZHOU SHUIMU TECH CO LTD

Same-hole multi-stage pore water pressure observation device and installation method thereof

The invention relates to a same-hole multi-stage pore water pressure observation device and an installation method of the same-hole multi-stage pore water pressure observation device. Comprising a plurality of digital osmotic pressure probe assemblies arranged in a monitoring hole from bottom to top, an interstage osmotic cylinder assembly connected between two adjacent digital osmotic pressure probe assemblies, and a watertight joint assembly used for connecting the adjacent digital osmotic pressure probe assembly and interstage osmotic cylinder assembly; the digital osmotic pressure probe assembly comprises a hollow water permeable cylinder, a pore water pressure gauge assembly arranged in the water permeable cylinder, a high-permeability material filled between the inner wall of the water permeable cylinder and the pore water pressure gauge assembly, and water permeable geotechnical cloth wrapping the high-permeability material; and a multi-core cable is electrically connected between the adjacent pore water pressure gauge assemblies. The same-hole multi-stage pore water pressure observation device and the installation method thereof have the advantages that the pore water pressure monitoring equipment and the backfill material are integrally designed, prefabricated and installed, the field installation technology is simplified, and the monitoring cost is reduced.
Owner:INST OF MECHANICS CHINESE ACAD OF SCI +1

Automatic early-warning construction integrated device for venue building fire and use method of automatic early-warning construction integrated device

The invention discloses a venue building fire automatic early warning construction integrated device and a using method. The venue building fire automatic early warning construction integrated device comprises a mounting base, a shell is arranged at the lower end of the mounting base, an air inlet cover is arranged in the center of the lower end of the shell, a filter screen is fixedly mounted at the position, close to the bottom, of the surface of the air inlet cover, and the upper end of the air inlet cover penetrates into the shell. According to the automatic early warning construction integrated device for the venue building fire, through the scheme of the mounting base, the rotating column, a second gear, a third gear, a threaded rod, a threaded plate, a clamping plate, a connecting block, a clamping groove, a clamping block and a rotating button, an operator rotates the rotating button, and then the second gear can be meshed with the second gear to drive the threaded rod to rotate; the two threaded plates can horizontally move oppositely or oppositely, so that the clamping blocks on the clamping plates are driven to be tightly combined with or separated from the clamping grooves, the mounting and dismounting steps are simplified, and the complexity caused by a traditional screw fixing mode is avoided.
Owner:CHINA MCC17 GRP CO LTD

Pipeline telescopic connector and auxiliary mounting device thereof

The invention relates to the technical field of pipeline connecting devices, and discloses a telescopic pipeline connector and an auxiliary mounting device thereof, and the telescopic pipeline connector comprises a telescopic structure, an anti-retreating locking structure and the auxiliary mounting device. The telescopic structure achieves adjustment of the pipeline length through a telescopic sleeve and a connecting pipe, and meanwhile the sealing performance and stability are guaranteed. The anti-retreating locking structure achieves tight locking and sealing of the pipeline and the telescopic structure through a conical sealing ring, a locking ring and a thorn claw, and the stability of the pipeline during thermal expansion and cold contraction is guaranteed. According to the auxiliary mounting device, the supporting seat and the clamping assembly are matched with the stepping motor and the two-way screw rod, so that the pipelines with different diameters are accurately adjusted and clamped, the mounting process is simplified, and the mounting efficiency and safety are improved.
Owner:ANHUI AOTAIQI INTELLIGENT WATER TECH CO LTD

Fabricated curtain wall construction method, system and equipment based on BIM technology and storage medium

The invention discloses a fabricated curtain wall construction method, system and equipment based on a BIM technology and a storage medium. The method comprises the following steps: performing virtual paying-off on a building main body structure to obtain paying-off data; acquiring curtain wall information of the fabricated curtain wall; performing hoisting path simulation on the fabricated curtain wall according to the curtain wall information and the pay-off data, and adjusting the simulated hoisting path in a BIM model including the building main body structure to obtain an adjusted BIM model; the assembled curtain wall is temporarily fixed through the adjusted BIM model; performing error detection on the temporarily fixed fabricated curtain wall to obtain an error report, performing position adjustment on the temporarily fixed fabricated curtain wall according to the error report, and stopping adjustment when an error value is within a preset range to complete installation. By implementing the technical scheme provided by the invention, the construction precision of the fabricated curtain wall is improved.
Owner:WULIN CONSTR ENG

A high-voltage waterproof power connector for new energy vehicles

The present invention relates to the technical field of power connectors, and in particular discloses a high-voltage waterproof power connector for new energy vehicles, including a first connector and a second connector plugged with the first connector, the first connector including a first shell and a first terminal arranged on the first shell, the external second terminal is electrically connected to the water pump motor via the first terminal; a connecting plate is protruding from the outer side of the first shell, the first shell is detachably connected to the external water pump motor via the connecting plate, a pouring groove is provided at one end of the connecting plate away from the first shell, the first terminal penetrates the bottom wall of the pouring groove and is connected to the first shell, and waterproof glue is cast and molded in the pouring groove. The excellent waterproof performance of the connector in a high-pressure environment is improved by arranging a pouring groove on the outer side of the connecting plate and filling the pouring groove with waterproof glue; the applicability of the connector is improved by the detachable installation of the connecting plate and the water pump motor, and the maintenance and replacement of the first connector is facilitated.
Owner:GUANGDONG HONGRU TECH CO LTD

High-voltage connector, electronic equipment and vehicle

The invention provides a high-voltage connector, electronic equipment and a vehicle. The high-voltage connector comprises a male-end socket and a female-end plug, the male end socket is used for connecting an electronic device and is provided with a jack; the female end plug comprises a shielding shell, a shielding elastic sheet and a plug inner core, the shielding shell is sleeved outside the plug inner core, and the shielding elastic sheet is connected to the shielding shell; the male end socket is configured in a way that under the condition that the male end socket and the electronic device are jointly installed in an installation cavity of a shell of the electronic equipment, the jack is opposite to a connecting hole formed in the shell, and the connecting hole is communicated with the installation cavity; under the condition that the plug inner core is plugged and electrically connected with the male end socket through the jack, the shielding shell is located in the connecting hole, and the shielding elastic sheet elastically abuts against the hole wall of the connecting hole. According to the high-voltage connector, the male end socket and the electronic device are jointly integrated in the mounting cavity, so that the connection step of a fastener is omitted, the mounting process is simplified, and the assembly efficiency of electronic equipment is improved.
Owner:XPT EDS (HEFEI) CO LTD

A mounted high-altitude operation drone

The present invention discloses a mounted high-altitude operation UAV, which relates to the technical field of UAVs, including a flight unit, including a fuselage, a cantilever penetrating and arranged at both ends of the fuselage, a motor arranged at both ends of the cantilever, a propeller arranged at the motor shaft end, an RTK antenna arranged at the top of the fuselage, a lithium battery arranged inside the fuselage, a laser radar arranged at the end of the fuselage, and a gimbal arranged at the bottom of the fuselage. The beneficial effect of the present invention is that it can reduce the flight frequency between the ground and the air by mounting multiple spacing units, and improve work efficiency; in addition, the installation process of the double split conductor is simplified, the working difficulty during the operation of the UAV is reduced, and the safety problem caused by the construction personnel needing to climb to complete the installation of the spacing rod is completely avoided.
Owner:CYG SUNRI CO LTD

Adjustable feeding equipment for stainless steel product machining

The invention discloses adjustable feeding equipment for stainless steel product machining, and relates to the technical field of stainless steel wafer machining, in particular to the adjustable feeding equipment for stainless steel product machining, which comprises a feeding area and a discharging area, the feeding area is positioned at one end of the discharging area, and the discharging area consists of a discharging base and a steering seat; and a driving steering gear and a driven steering gear are rotationally connected to the interior of the discharging base. According to the adjustable feeding equipment for stainless steel product machining, when a set of coiled plates are discharged to be close to the tail end, raw materials can be mounted on the mounting disc on the other side, then horizontal steering is conducted through the steering base, the production preparation time is further shortened, the bracket can easily jack the coiled materials to the proper height to be parallel to the mounting disc through the first hydraulic jacking cylinder, the mounting steps are simplified, and the production efficiency is improved. The height of the feeding area can be adjusted through a second hydraulic jacking cylinder, the feeding area is accurately in butt joint with external stamping equipment, the position of a limiting plate can be adjusted according to the specifications of the plates, and the plates are prevented from deviating in the conveying process.
Owner:BAZHONG XINYUE STAINLESS STEEL CO LTD

Combined color steel corrugated cable bridge

The invention relates to the technical field of laying and erecting line assemblies, in particular to a combined color steel corrugated cable bridge which comprises a cable installation bottom frame, the top of the cable installation bottom frame is movably sleeved with an assembly top plate, a transverse moving frame is arranged at the bottom of the assembly top plate, and L-shaped bent plates are arranged on the two sides of the assembly top plate. A circular clamping strip is arranged at the bottom of the L-shaped bending plate, corresponding cables can be quickly and accurately found during equipment maintenance, troubleshooting or line reconstruction, the working efficiency is improved, different cables can be distinguished through marks or colors, after being fixed in a cable bridge, the cables are more convenient to identify and manage, and the cable bridge is more convenient to use. The method is particularly important for a large-scale project or a complex electrical system, misoperation and potential safety hazards can be reduced, and meanwhile, the cable can be effectively prevented from being influenced by external environments such as dust, moisture and corrosion. The cable bridge is usually made of corrosion-resistant, waterproof and dustproof materials, and reliable protection can be provided for the cable.
Owner:JIANGSU ZHONGHUI ELECTRICAL ENG CO LTD

Nozzle module and three-dimensional printer

The invention relates to a nozzle module and a three-dimensional printer. The nozzle module comprises a heat dissipation assembly; the locking assembly comprises a clamping ring piece fixed to the heat dissipation assembly and a knob piece connected to the clamping ring piece, the clamping ring piece is provided with a clamping hole and an opening which penetrate through the clamping ring piece in the first direction, and the opening communicates with the clamping hole; the nozzle assembly sequentially penetrates through the clamping hole and the heat dissipation assembly in the first direction; wherein the knob part can rotate relative to the clamping ring part, and under the condition that the knob part rotates relative to the clamping ring part, the width of the opening is selectively decreased or increased, so that the clamping ring part clamps or releases the nozzle assembly. Quick mounting and quick dismounting can be achieved, mounting and dismounting are convenient, and the mounting and dismounting efficiency is improved.
Owner:SHENZHEN CREALITY 3D TECH CO LTD

Movable charging cabinet

The invention discloses a movable charging cabinet, which comprises a frame body, the frame body is provided with two rails, one rail is internally provided with a power connection guide rail, and the power connection guide rail is used for being connected with an external power supply; and the charging cabinet is movably arranged between the two rails, the charging cabinet is provided with a power connection module, and the power connection module is in sliding contact with the power connection guide rails, so that the charging cabinet is in a power connection state when moving relative to the frame body. According to the movable charging cabinet with the structure, through cooperation of the power connection module and the power connection guide rail, sliding power connection of the charging cabinet is achieved, the arrangement length of cables is reduced, the design of an electric control assembly and a take-up mechanism can be omitted, and therefore the structure of equipment is simplified, and cost is reduced.
Owner:GUANGXI POWER GRID CO LIUZHOU POWER SUPPLY BUREAU

Flexible photovoltaic panel support and installation method thereof

The invention provides a flexible photovoltaic panel support and an installation method thereof, the flexible photovoltaic panel support comprises middle rods, a main cable, two end rods as a group and are located at the tail end of the main cable, and a plurality of middle rods are arranged and are distributed between the end rods at the two ends to support the main cable. A main roller and a power roller are arranged at the top of the end rod, the main roller is used for bearing a main cable, and the power roller is used for bearing a power cable; a detachable clamping sliding piece is installed on the power cable, the clamping sliding piece is installed on the photovoltaic panel support and clamped on the power cable through a locking piece, and the clamping sliding piece further abuts against the main cable in a sliding mode. The photovoltaic panel is pulled to move on the main cable through the power cable, and long-distance transportation of the photovoltaic panel is achieved. The middle rod drives the photovoltaic panel on the main cable to be adjusted in the horizontal direction and the vertical direction by arranging the elevation angle driver and the azimuth angle driver, it is ensured that the photovoltaic panel faces the sun, and the illumination receiving efficiency is optimized.
Owner:POWER CHINA KUNMING ENG CORP LTD

Switch cabinet

The invention belongs to the technical field of power distribution switch equipment, and particularly relates to a switch cabinet. According to the switch cabinet provided by the invention, the main bus assembly, the isolation static contact component, the three-position switch, the vacuum arc-extinguishing chamber component and the insulation pull rod are respectively arranged on the bracket, so that the integration level of the internal structure of the switch cabinet is improved; the main bus assembly, the isolation static contact component, the three-position switch, the vacuum arc extinguish chamber component and the insulation pull rod can be conveniently installed in the cabinet shell along with the support, the installation technology of the switch cabinet is simplified, and production and manufacturing of products are facilitated. In addition, the cable buses are arranged on the left and right sides of the cabinet shell, so that the height dimension space of the cabinet shell is well saved.
Owner:HM POWER (GUANGDONG) CO LTD

BIM (Building Information Modeling)-based curtain wall mounting structure and mounting method

The invention discloses a BIM-based curtain wall mounting structure, and relates to the technical field of curtain wall construction, the BIM-based curtain wall mounting structure comprises a keel frame, a plurality of curtain wall frames, curtain wall plates and aluminum plates, the keel frame is fixedly arranged on a steel net rack, the curtain wall frames are fixedly arranged on the keel frame, placing grooves for placing the curtain wall plates are formed in the curtain wall frames, and the aluminum plates are arranged in the placing grooves. The adjacent curtain wall frames are arranged in a spaced mode, connecting rods are arranged on the keel frame and installed between the adjacent curtain wall frames, the aluminum plates are installed between the adjacent curtain wall frames, locking bolts used for fixing the aluminum plates are arranged on the connecting rods, and installation holes allowing the locking bolts to penetrate through are formed in the aluminum plates. And the aluminum plate is provided with a pressing part for pressing the curtain wall plate. The curtain wall has the advantages that connection between the curtain wall plate and the curtain wall frame can be effectively prevented from loosening, and therefore the overall attractiveness, safety and sealing performance of the curtain wall are improved.
Owner:新疆宏远建设集团有限公司

Oil-filled sealed photoelectric connector for underwater vertical dynamic cable system

The invention discloses an oil-filled sealed photoelectric connector for an underwater vertical dynamic cable system. The oil-filled sealed photoelectric connector comprises a bent plug assembly and a socket assembly, wherein the bent plug assembly comprises a bent plug connector connected with the dynamic cable; a photoelectric contact component I is arranged in the bent plug component; the socket assembly is fixed on the detection unit glass sphere, and a photoelectric contact assembly II connected with a detection element in the detection unit glass sphere is arranged in the socket assembly; wherein the photoelectric contact component I is adaptively connected with the photoelectric contact component II. According to the invention, through application of the oil filling pipe, special sealing design and innovation of key technical points such as the oil-filled sealing photoelectric connector integrating the battery core wire and the optical fiber core wire, the water pressure resistance reliability, the sealing performance and the signal transmission stability of the connector in a deep sea high-pressure environment are remarkably improved; the device provides support for long-term stable operation of a deep-sea micro telescope, can be expanded and applied in the future, and meets other long-term application requirements of deep sea.
Owner:SHANGHAI JIAOTONG UNIV +1

Atlantoaxial lateral mass joint fusion cage

The invention belongs to the technical field of medical equipment, and discloses an atlantoaxial lateral mass joint fusion cage which comprises a fusion cage shell, a supporting block is slidably connected to the inner wall of the fusion cage shell, a rotating rod is rotatably connected to the inner wall of the supporting block, and a threaded rod is fixedly connected to the outer wall of the rotating rod. A positioning bolt is in threaded connection with the outer wall of the fusion cage shell, a supporting mechanism is arranged on the outer wall of the supporting block and comprises a sliding block, a supporting rod is hinged to the inner wall of the sliding block, and a fixing plate is fixedly connected to the outer wall of the fusion cage shell. Through cooperation of the fusion cage shell, the supporting block and other structures, the right side of the fusion cage shell can be kept in a closed state before the fusion cage shell is installed, the size is small, the fusion cage is conveniently inserted between atlantoaxial lateral mass joints to be installed, the overall structure is simple, adaptability is high, use is convenient, and the fusion cage is suitable for popularization and application. And therefore, the process of mounting the fusion cage shell by medical staff is facilitated.
Owner:THE SECOND AFFILIATED HOSPITAL TO NANCHANG UNIV

Elliptical small roll multi-strip winding equipment and winding process thereof

The invention relates to the technical field of braid winding, and discloses oval small-roll multi-strip winding equipment and a winding process thereof, and the oval small-roll multi-strip winding equipment comprises a table; the two side plates are respectively fixed at two ends of the top surface of the table; the driving structure is arranged on the table; the clamping structure is arranged above the table, the clamping structure is driven by a driving structure, the clamping structure comprises two first clamping plates and two second clamping plates, and the two first clamping plates are arranged right opposite to the two second clamping plates respectively. Through movement of the two first clamping plates and the two second clamping plates and the movable characteristic of the two driving rods, flexible movement of the multiple strip winding pieces is achieved, by means of the design, workers can rapidly replace unused winding plates, tedious disassembly and assembly operation is not needed, and therefore the working efficiency of the whole device is remarkably improved.
Owner:XIAMEN YAMA RIBBONS & BOWS

Integrated composite filter element water purifier

The utility model belongs to the technical field of water purifiers, particularly relates to an integrated water purifier with a composite filter element, and aims to solve the problems that the existing water purifier with the composite filter element is complicated in structure and tedious in installation, the filter element is inconvenient to replace, the maintenance cost is high and the like. The water purifier main body is composed of a first filtering part, a second filtering part and a third filtering part, the first filtering part, the second filtering part and the third filtering part are fixedly connected in sequence, a filter element is arranged in the first filtering part, the filter element is made of PP cotton, and activated carbon is arranged in the second filtering part. According to the integrated composite filter element water purifier, impurities, bacteria and viruses in water are effectively removed through a multiple filtering technology, the water quality is ensured to be pure, the detachable movable cover design enables the filter element to be replaced easily and rapidly, the maintenance cost is reduced, the installation process is simplified through the combined design of the installation support, and meanwhile the stability of the water purifier is ensured.
Owner:童松表

Installation-free stepless adjustment GIL sliding support

The invention relates to the technical field of sliding supports, and provides an installation-free stepless-adjustment GIL sliding support which adopts a GIL sliding hoop for fast point positioning, installation of the GIL sliding hoop can be completed without punching and support modification, the universality of the GIL sliding hoop is good, installation of the GIL sliding hoop at any adjustment position can be conveniently achieved, the installation process is simple, and the installation efficiency is high. The adjustment operation is time-saving, the mounting period of the GIL hoop can be greatly shortened, and the GIL hoop is more practical and comprises a GIL sliding hoop and a suspension supporting structure, the suspension supporting structure comprises a mounting seat with a hole and a sliding block, a height control assembly is mounted on the mounting seat with the hole, a suspension support is mounted on the height control assembly, and the sliding block is arranged on the suspension support. A top sliding hook cavity and a bottom sliding hook cavity are formed in the top end and the bottom end of the sliding block respectively, the suspension support is arranged in the bottom sliding hook cavity in a sliding fit mode, the GIL sliding hoop comprises a fixed semi-hoop and a movable semi-hoop, the fixed semi-hoop is detachably provided with a sliding connecting piece, and the sliding connecting piece is connected in the top sliding hook cavity in a sliding mode.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD NANJING POWER SUPPLY COMPANY +1

Gas-liquid injector and gas-liquid rocket

The invention discloses a gas-liquid injector which comprises a pintle type inner nozzle, a ceramic sleeve and an outer nozzle. The inner nozzle serves as a discharge anode, the outer nozzle serves as a cathode, a high-temperature environment is generated to gasify liquid fuel, combustible gas and combustion-supporting gas move in opposite directions and collide with each other to be fully mixed, and most efficient gaseous mixed combustion is achieved; the convex ring at the upper end of the outer nozzle abuts against the first flange plate, the ceramic sleeve and the inner nozzle abut against the second flange plate, and the long bolt is tightened to fix the second flange plate and the first flange plate, so that the whole injector is fixedly formed, the structure is simple, the installation procedure is simplified, and redundant design is avoided.
Owner:SHENZHEN YULONG AEROSPACE TECH CO LTD

Auxiliary installation device for photovoltaic module

The utility model provides an auxiliary installation device for a photovoltaic module. The mounting device comprises a support and a photovoltaic panel, the mounting device comprises an L-shaped mounting seat, a moving seat, an electric control winding wheel and a bracket, the L-shaped mounting seat is arranged at the upper end of the support, a moving groove is formed in the mounting seat, the moving seat is mounted in the moving groove of the mounting seat through an adjusting assembly, the electric control winding wheel is fixed to the moving seat, and the bracket is arranged on the mounting seat. A tensioning belt is wound on the electric control winding wheel; a strip-shaped hole is formed in the movable seat; the bracket is located at the lower end of the support, the lower edge of the photovoltaic panel is arranged on the bracket, and the bracket is provided with a clamping assembly used for clamping the photovoltaic panel. One end of the tensioning belt penetrates through the strip-shaped hole and extends to the lower end of the support along the support to be fixedly connected with the bracket. According to the utility model, the photovoltaic panel can be temporarily fixed and the position of the photovoltaic panel can be adjusted in the installation process, the installation process can be completed by only one person, time and labor are saved, and the construction efficiency of the photovoltaic module is effectively improved.
Owner:WUHAN SURVEYING GEOTECHN RES INST OF MCC

Storage battery fixing device, storage battery assembly and working machine

The utility model relates to the technical field of storage battery installation, and discloses a storage battery fixing device, a storage battery assembly and an operation machine. The storage battery fixing device is suitable for fixing a first storage battery and a second storage battery which are vertically arranged at an interval, and comprises a chassis suitable for placing the first storage battery; one end of each supporting rod is mounted on the chassis, and the supporting rods are suitable for surrounding the peripheral side of the first storage battery; the tray is mounted at the other end of the supporting rod, a gap is reserved between the tray and the upper surface of the first storage battery, and the tray is suitable for placing a second storage battery; and the limiting assembly is mounted on the tray and is suitable for surrounding the peripheral side of the second storage battery and the upper surface of the second storage battery. According to the utility model, the second storage battery can be arranged above the first storage battery by utilizing the plurality of supporting rods and the tray, so that the occupation of a horizontal space can be reduced. In addition, by arranging a limiting assembly on the tray, the stability of the second storage battery on the tray can be improved.
Owner:SANY HEAVY MACHINERY

Magnetostriction longitudinal ultrasonic guided wave excitation device and ground wire damage detection method

The invention is suitable for the technical field of power system maintenance, and provides a magnetostriction longitudinal ultrasonic guided wave excitation device and a ground wire damage detection method, the device comprises a box body and a connecting box slidably arranged on the box body; the mounting seat is fixedly mounted at the bottom of the inner wall of the box body; the group of threaded cylinders are rotationally mounted in the connecting box and on the mounting seat respectively, and threaded rods are mounted on the group of threaded cylinders in a threaded manner; the exciting coil and the receiving coil are respectively arranged on the group of threaded rods and are used for conducting ground wire damage detection; the bias magnetic field device is arranged at the bottom of the box body and is used for providing a bias magnetic field for the excitation coil; and the mounting mechanism is arranged on the box body and the group of threaded cylinders and is used for fixing the exciting coil and the receiving coil on the ground wire. The magnetostriction longitudinal ultrasonic guided wave excitation device and the ground wire damage detection method provided by the scheme have the advantages that the distance between the excitation coil and the receiving coil can be quickly adjusted, the installation efficiency is further improved, the installation process is simplified, and the device is convenient to carry and use.
Owner:EXTRA HIGH VOLTAGE POWER TRANSMISSION NANJING OF CHINA SOUTHERN POWER GRID

Cylinder roll angle vision measurement algorithm based on full-surrounding target

The invention discloses a cylinder roll angle vision measurement algorithm based on a full-surrounding target, which utilizes a camera to capture a target pattern and accurately analyzes the roll angle of a cylinder through an image processing technology, and comprises the following steps of: adopting a uniformly distributed target design method, and through an image feature enhancement technology and a proper threshold value, calculating the roll angle of the cylinder; determining the accurate positions of the positioning strip and the distance measuring strip; performing closed operation and de-noising processing on the positioning strip, and determining the position of a positioning point by using polygon fitting and a vector rotation method; positioning points of the positioning strips are analyzed, the two middle points are connected to form a central axis, distance measurement points are calculated in combination with the distance measurement strips and the central axis, and stable feature points are selected as distance measurement references; and accurately calculating the roll angle by using a deformation compensation algorithm and a similar triangle principle. The dynamic motion state of the cylinder can be captured and analyzed in real time, the measurement precision and real-time performance are remarkably improved, dependence on the external environment is reduced, and the equipment installation and maintenance process is simplified.
Owner:BEIJING ZHONGCEZHIHUI SCI & TECH CO LTD

Quickly-spliced combined type enclosure device for construction

The utility model relates to the field of construction instruments, in particular to a quickly-spliced combined type enclosure device for construction. The technical problem is that in the process of installing the combined fence device for construction, if the ground has a certain inclination angle or has a certain depression, a certain time needs to be spent for leveling, and therefore the construction progress is affected. According to the technical scheme, the rapidly-spliced combined type enclosure device for construction comprises an angle adjusting assembly, a rotation adjusting assembly and an installation limiting assembly. According to the utility model, through the arrangement of the double adjusting mechanisms and the obliquely-inserted assembly structure, the lower end of the equipment can be attached to the uneven ground without leveling, so that the construction speed is increased, the angle of the load-bearing fixing structure of the equipment can still be adjusted after the load-bearing fixing structure is installed, and the error-tolerant rate is increased; and the light partition plates are directly inserted into the mounting grooves and fixed, so that mounting and dismounting are convenient, and the construction speed is further increased.
Owner:ANHUI WANLI HWY BRIDGE CONSTR CO LTD

Fabricated photovoltaic integrated panel and photovoltaic system

The utility model discloses an assembly type photovoltaic integrated panel and a photovoltaic system, and belongs to the technical field of photovoltaic systems. Comprising a fusion tile and a photovoltaic module. The fusion tile comprises a body and a waterproof layer, and the waterproof layer is arranged on the face, facing the photovoltaic module, of the body and attached to the molded surface of the body. The body comprises a plane part and two first supporting parts which are oppositely arranged, the plane part is clamped between the two first supporting parts, the first supporting parts protrude out of the plane part, and the backlight surface of the photovoltaic module is adhered to the waterproof layer. The fusion tile is used for supporting the photovoltaic module and also plays a role of a building roof, the backlight surface of the photovoltaic module is bonded to the fusion tile, the fusion tile and the photovoltaic module are bonded and connected through a bonding piece before the assembly type photovoltaic integrated panel leaves a factory, and then the assembly type photovoltaic integrated panel is transported to a construction site and installed on a building. The method has the beneficial effects of shortening the time for installing the assembly type photovoltaic integrated plate on the construction site, simplifying the installation process and improving the construction efficiency.
Owner:LONGI GREEN ENERGY TECH CO LTD

Ultrahigh-cleanliness purification workshop for chip packaging

The utility model discloses an ultrahigh-cleanliness purification workshop for chip packaging, and relates to the technical field of purification workshops. The workshop ventilation device mainly comprises a workshop wall body, a ventilation pipeline, a ventilation fan, a filtering piece and an installation piece, the ventilation pipeline is horizontally arranged and penetrates through the workshop wall body, the ventilation fan and the filtering piece are both installed in the ventilation pipeline, the filtering piece comprises an installation frame, and a filtering plate is installed between the inner walls of the installation frame. The number of the installation parts is two, the installation parts are arranged on the two opposite sides of the ventilation pipeline respectively, each installation part comprises a U-shaped clamping plate, an opening of each U-shaped clamping plate is arranged on one side of the ventilation pipeline in a clamped mode, two limiting plates are fixed to the outer side wall of each U-shaped clamping plate, the installation frame is located between the two limiting plates, and a control plate is fixed to the outer side wall of each U-shaped clamping plate. Through the design of the U-shaped clamping plate and the limiting plate, the filter element can be quickly mounted and dismounted, so that the time required for replacing the filter screen is greatly shortened, and the production efficiency is improved.
Owner:TIANJIN HONGYU ZHONGXIN CONSTRUCTION ENGINEERING CO LTD