41results about How to "Easy to maintain and use" patented technology

The invention relates to a shield tunnel lifting hole wall penetration outward-extension type electromagnetic wave ground detecting system. The system is composed of an outward-extension type electromagnetic wave emission detecting rod, an outward-extension type electromagnetic wave receiving detecting rod and a hole drilling geological radar, wherein the outward-extension type electromagnetic wave emission detecting rod and the outward-extension type electromagnetic wave receiving detecting rod are connected with a transmitting antenna and a receiving antenna of the hole drilling geological radar. The application of the system includes the following steps that: tomographic scanning is performed on shield tunnel backfill grout through the hole drilling geological radar; the distribution range of the shield tunnel backfill grout can be obtained through data analysis and inversion calculation; and based on field construction parameters and slurry performance, the grouting amount and grouting pressure of subsequent grouting pipes can be fed back and adjusted, and the construction quality of tunnels can be ensured. With the system adopted, the synchronous grouting effect of the shield tunnels in different strata can be detected excellently, and the grouting amount and grouting pressure of field synchronous grouting can be fed back, and therefore, a shield tunnel synchronous grouting control method can be more scientific and more scientific.

The invention discloses a novel belt rice seedling conveying mechanism of a rice transplanter, relating to the agricultural machinery equipment. The rice seedling conveying mechanism comprises a rice seedling carrying platform, a rice seedling conveying belt, a rice seedling conveying wheel axel, a driving rice seedling conveying wheel axel, a driven rice seedling conveying wheel axel, a synchronous transmission connecting rod, a roller column clutch assembly and a tensioning spring, wherein an upper row and a lower row of vacancy holes are formed at the lower part of the rice seedling carrying platform; the driving rice seedling conveying wheel axel is positioned on the rice seedling carrying platform through a bracket and transversely penetrates through the rear side of the lower row of vacancy holes; the driven rice seedling conveying wheel axel is positioned on the rice seedling carrying platform through another bracket and transversely penetrates through the rear side of the upper row of vacancy holes; the rice seedling conveying wheel axel is arranged between the driving rice seedling conveying wheel axel and the driven rice seedling conveying wheel axel; the synchronous transmission connecting rod is connected between the rice seedling conveying wheel axel and the driving rice seedling conveying wheel axel; chain wheels are sleeved at the part where the driving rice seedling conveying wheel axel and the driven rice seedling conveying wheel axel correspond to the vacancy holes; the rice seedling conveying belt is installed out of the chain wheels of the upper and lower vacancy holes at corresponding parts; the roller column clutch assembly is installed at one end of the driving rice seedling conveying wheel axle; one end of the tensioning spring is hooked on the driven rice seedling conveying wheel axel; and the other end of the tensioning spring is hooked on the bracket at the upper side of the upper vacancy holes.

The invention discloses provides an online flexible wheel hub internal diameter measuring apparatus based on laser automatic rotation scanning and an application method thereof. The apparatus is characterized in that the apparatus comprises a master control system, a to-be-measured wheel hub, a servo motor, a laser displacement sensor, a precision power transmission device, a rotating shaft positioning device and a wheel hub placing reference surface. On the premise of wide measuring range (the to-be-measured diameter range difference can reach 20 mm), the measuring precision of +/- 5 micrometers can be reached through key technologies including automatic online error correction and automatic online compensation calibration etc., oil stain spots on the surface of the internal diameter of the wheel hub and abnormal values generated by abnormal burrs can be automatically eliminated, and the influence on measuring results can be avoided; besides, the installation is convenient, the maintenance and the usage are convenient, the cost is low, and compared with the conventional contact precision measurement (the to-be-measured diameter range difference is 2 mm), the measuring range is wide, and the apparatus can be applicable flexible measurement of various wheel hubs.

The invention relates to a sewage treatment zero discharge system which comprises a sand and stone separation system used for sand and stone separation, a fine sand recovery system used for fine sandrecovery, a sewage stirring system used for preventing sewage precipitation and solidification, a sewage concentration regulating system used for regulating the sewage concentration and a sewage recycling system used for sewage recycling. The fine sand recovery system, the sewage stirring system, the sewage concentration regulating system and the sewage recycling system are sequentially connectedthrough a sewage pipeline. The sewage treatment zero discharge system provided by the invention has the benefits that sand and stones in waste materials are separated and then are recycled, the sewageis recycled through concentration regulation, the zero sewage discharge of an environmentally-friendly stirring station is achieved, the problems of excessive discharge of the various waste materialsand muddy water at the stirring station site and environmental pollution are effectively solved, and meanwhile, the problem that the waste materials cannot be effectively utilized is solved.

The invention discloses a preheating process of a dust remover for filtering combustible dusty gas. The preheating process comprises a dust remover cold-air exhausting period, a temperature rise period and a gas replacement-adjustment period and specifically comprises the steps of inputting high-temperature gas through a hot air pipeline to exhaust low-temperature gas in the dust remover in the cold-air exhausting period, entering the temperature rise period after the low-temperature gas is exhausted, raising the temperature to 330-1200 DEG C, carrying out gas replacement and adjustment, and entering a conventional filtering-dust removal process link after adjusting the oxygen content in the dust remover to a safety range in the gas replacement-adjustment period. The preheating process is novel and ingenious, has a good utilization effect in a booting preheating link of the dust remover, realizes the innovation of the preheating process of the high-temperature dust remover, is suitable for preheating the dust remover for filtering the high-temperature and high-tar-content dusty gas and guarantees a good filtering effect, long service cycle and high economic benefit of a filter core.

The invention discloses a method for upgrading device software by WiFi wireless network, which comprises the following steps of: S1, communicating the electronic products with the software upgrading server by setting the WiFi wireless network of the electronic product, configuring the parameters of the software upgrading server, and defining the communicating protocol of the software upgrading server and the electronic products; and S2, the electronic products acquire the accessory product software from the software upgrading server to be upgraded automatically. The method for upgrading device software by WiFi wireless network can connect the electronic products with the software upgrading server by the WiFi wireless network to acquire the product software and realize automatic upgrading, which dramatically improves working efficiency and reduces workload. In addition, the software upgrading server can record the related information and upgrading condition of the products, so the later maintenance and use are convenient.

The invention relates to the technical field of road laying and discloses a finishing machine for road laying. The finishing machine for the road laying comprises a finishing machine body; two supporting rack feet are fixedly connected to both the left side and the right side of the finishing machine body; rollers are arranged at the bottoms of the four supporting rack feet; adjusting boxes are fixedly connected to the left and right sides of the internal top wall of the finishing machine body; adjusting holes are formed in one sides, facing away from each other, of the two adjusting boxes; and first fixed blocks are fixedly connected to the internal top walls of the two adjusting holes. According to the finishing machine for the road laying, through contact between a pressing drum and theground, a vertical plate can push a mobile block upwards when meeting a pavement with high soil so that a push plate can be pushed to move; by opening a water pump, water can be added to a water tank; through upward pushing of the push plate, the water can be transferred into a cross pipe through a downcomer; a water spray pipe carries out water spraying operation; and therefore, a soil roadbed is convenient to get wet and convenient to level so that the soil roadbed can be more effectively leveled.

The invention provides an energy-saving gas stove and belongs to the technical field of gas cooking appliances. The gas stove mainly solves the problems that mixture gas is not mixed uniformly, the low flame combustion is not sufficient and the thermal efficiency is low. The gas stove mainly comprises a hearth, a flaming head, a normally-open fire hood, a normally-open fire mixture gas pipe and an ignition wire and is characterized by also comprising a guide cover and a gas mixing chamber, wherein the guide cover is in interference fit with a boss under the flaming head, the gas mixing chamber is located below the guide cover, the bottom of the flaming head is in a concave spherical surface shape, the upper portion of the guide cover is also a concave spherical surface, the bottom of the gas mixing chamber is a convex spherical surface, the structure guarantees that the mixture gas is mixed uniformly, a combustion-supporting flaming hole which is arranged on the side face of the concave spherical surface of the flaming head guarantees the ignition of a main flame, the combustion is stable during low flame, and the thermal efficiency is high.

The invention relates to an anti-car-running device for a mine car in a transportation inclined alley of the underground excavation surface of a coal mine. The device comprises a meet device and a hook shaft device, wherein a meet frame of the meet device is fixed on the bottom surface of a track of the mine car through a pressure plate, and hinged with a meet head through a torsion spring and a shaft; without external force, the top end of the meet head is higher than the bottom of the mine car, and is aligned with the top of the inclined alley; a hook shaft frame of the hook shaft device is hinged with a hook head through a powerful torsion spring and a shaft; an arm of the hook head is locked by the hook shaft frame through a hinge pin so that the top end of the hook head is lower than the axle of the mine car in the absence of external force and the mine car can pass through; the hinge pin is hinged with one end of a steel wire rope, and the other end of the steel wire rope is hinged with the meet head; and when the meet head is met, the hook head bounces to hook the axle, and the two devices prevent cars running together, thereby greatly improving the safety performance. The anti-car-running device has a simple structure and is convenient and flexible to use, safe and reliable.

The invention relates to the technical field of building monitoring, and discloses a real-time monitoring and safety early warning system suitable for a building structure, and the system comprises a plurality of monitoring sensors, a camera, a central processing unit and an alarm, the output ends of the plurality of monitoring sensors and the camera are electrically connected with the input end of the central processing unit, and the output end of the central processing unit is electrically connected with the input end of the alarm. The real-time monitoring and safety early warning system suitable for the building structure has the advantages that real-time monitoring and early warning can be carried out on related quality parameters of the building structure, and the quality safety of the building structure is guaranteed.

The invention relates to the technical field of pump protection valves and discloses an automatic recirculation low-pressure pump protection valve. The automatic recirculation low-pressure pump protection valve comprises a valve seat, a valve cover and a bypass pipe, wherein the lower end of the valve seat, the upper end of the valve cover and one end, away from the valve seat, of the bypass pipeare fixedly connected with a first flange, a second flange and a third flange respectively; the valve cover is fixedly connected with the upper end of the valve seat; the upper end of the valve seat is fixedly connected with a first connecting plate; the lower end of the valve cover is fixedly connected with a second connecting plate corresponding to the first connecting plate; a plurality of U-shaped fixing plates are uniformly clamped with the exteriors of the first connecting plate and the second connecting plate; and clamping grooves clamped with the U-shaped fixing plates are formed in opposite sides of the first connecting plate and the second connecting plate. The automatic recirculation low-pressure pump protection valve has the advantages that the valve seat and the valve cover are rapidly assembled and disassembled, the valve seat and the bypass pipe are rapidly assembled and disassembled, and the automatic recirculation low-pressure pump protection valve is convenient to maintain and use.

The invention discloses a harvester gearbox output shaft mechanism and a harvester gearbox. The output shaft mechanism comprises a left half shaft, a right half shaft and half shaft sleeves. The left half shaft and the right half shaft are rotationally fixed and installed in the half shaft sleeves in a sleeved mode, and the two ends of the left half shaft and the two ends of the right half shaft extend outwards. The output shaft mechanism further comprises transmission output gears and a process retainer ring. The centers of the transmission output gears are provided with installation holes with inner splines, and corresponding outer splines are arranged at the outer edge of the bottom of the left half shaft and the outer edge of the bottom of the right half shaft. The bottom of the left half shaft and the bottom of the right half shaft penetrate through the installation holes and are connected with the transmission output gear splines. Annular protrusions are arranged at the outer edges of the transmission output gear installation holes. The bottom end surface of the left half shaft and the bottom end surface of the right half shaft are flush with the end surfaces of the annular protrusions. The process retainer ring is arranged between the transmission output gears at the bottom end of the left half shaft and the bottom end of the right half shaft, and the two ends of the process retainer ring are connected to the centers of the side walls of the transmission output gears in an abutting mode. Grooves corresponding to the annular protrusions are formed in the two ends of the process retainer ring. The concave surfaces of the grooves are in butt joint with the annular protrusions, the bottom end surface of the left half shaft and the bottom end surface of the right half shaft.

The invention discloses a three-phase asynchronous electric motor variable-frequency speed modulation device, which comprises a position limiting clamp groove, a variable frequency speed modulator, awood pin and a position limiting clamp block, wherein the variable frequency speed modulator consists of a host box and an overhaul door; the overhaul door is arranged at the back part of the host box; through the connection between the position limiting clamp groove and the position limiting clamp block, the variable frequency speed modulator can be fast installed into a connecting block arrangedon the top of a three-phase asynchronous electric motor; the fixation can be completed through the wood pin, so that the mounting and the dismounting of the variable-frequency speed modulator becomesimple and convenient; the whole structure is very simple; the production cost is very low; the production speed of enterprises is greatly improved; through the arrangement of the overhaul door, the overhaul door is used as a medium for connecting the three-phase asynchronous electric motor; the repair and replacement on the electric element inside the host box can be realized through host box turning under the condition of not taking down a speed modulator; the repair and the use of the whole equipment become convenient and fast.

The invention discloses novel dry-mixed mortar mixing equipment which comprises a supporting frame, a control cabinet, a mixing box body, a material discharging end and a mixing rotating shaft, wherein the control cabinet is arranged on one side of the supporting frame; the mixing box body is arranged above the control cabinet; the material discharging end is arranged on the lower side of the mixing box body; the mixing rotating shaft is arranged on one side of the material discharging end; a speed reducer is arranged at one end of the mixing rotating shaft; a mixing motor is arranged at one end of the speed reducer; a material feeder is arranged on the lower side of the mixing motor; a helical lifter is arranged at one end of the material feeder; and a lifting motor is arranged at one end of the helical lifter. The novel dry-mixed mortar mixing equipment has the beneficial effects of reasonable structural design, high working efficiency, excellent performance, higher mobility, higher stability, uniformity in mixing and convenient for repairing and use.

The invention relates to the technical field of photovoltaic power generation, and discloses a single-head multi-linkage connecting rod type rotary speed reduction device for photovoltaic power generation. The device comprises a base, wherein the upper end of the base is fixedly connected with a rotary speed reducer and a driving motor located on one side of the rotary speed reducer, a worm inputend in the rotary speed reducer penetrates through and extends out of the rotary speed reducer and is provided with a connecting insertion groove, an output shaft of the driving motor is fixedly connected with a connecting insertion block inserted into the connecting insertion groove, the outer wall of the rotary speed reducer is fixedly connected with a first protective barrel covering the connecting insertion groove, the outer wall of the driving motor is fixedly connected with a second protective barrel covering the connecting insertion block, and the opposite ends of the first protective barrel and the second protective barrel are fixedly clamped together. According to the device, rapid disassembly and assembly between the driving motor and the rotary speed reducer can be achieved, andmaintenance and use are convenient.

An access control system with a face recognition function comprises a face information acquisition module, a face feature information extraction module, a certificate information acquisition module, acertificate ID information extraction module, an information storage module, an information management module, a monitoring terminal, an access control terminal, a face recognition module and a certificate recognition module, the access control terminal comprises an access control module and an alarm module. According to the invention, the face information acquisition module, the face feature information extraction module, the information storage module, the information management module, the monitoring terminal, the access control terminal, the face recognition module, the certificate recognition module, the access control module and the alarm module are designed; the entrance guard is convenient to open, the response speed is high, the face and certificate recognition accuracy is high,fault warning and special crowd warning are both considered, and high practicability is achieved.

The invention discloses a mini fragrant pig hog house, comprising a fodder supply device and a fragrant pig captive fence. The middle part of the fragrant pig captive fence is provided with the fodder supply device. The fodder supply device is on the middle part of the fragrant pig captive fence. The fragrant pig captive fence comprises support rods. The upper end faces of the support rods are provided with a feces collection board. The rear end of the feces collection board is provided with a feces collection groove. The rear side of the feces collection board is provided with an opening. The upper surface of the feces collection board is uniformly provided with support pillars. The upper end faces of the support pillars are provided with floor. The left side, the right side, and the rear side of the upper surface of the floor are provided with fences. The front side of the floor is provided with a fence door. The left part and the right part of the upper surface of the floor are provided with leg supporting rods. The mini fragrant pig hog house is advantaged by rational structural design, convenient maintenance and use. Through cooperation of the fodder supply device and the fragrant pig captive fence, a good living environment is provided for Bama mini pigs, and manual cleaning is convenient. The invention provides good hardware facilities for culturing Bama mini pigs in a large-scale manner.

The invention discloses a dual-network filter-pressing pulp washer, t includes the rack, the upper network which is installed on several net-rollers and movement is sealed and circulating and lower network which is installed on several net-rollers and movement is sealed and circulating, said several dewatering rollers are installed vertically in two rows, the lower of each dewatering roller is equipped with water-gathering device; the dewatering roller installed vertically can make the whole machine structure compact, the accommodation area small and the maintenance easier; the pulp washing water spraying device sprays washing water when washing pulp, and it can be used for the concentration of pulp when the pulp washing water spraying device does not work, the machine has two pueposes; the invention works through the using of gravity force and squeezing fully, cancels the vacuum suction and filter, greatly reduces power consumption and improves the reliability of the equipment.

The invention discloses a continuous temperature measuring device for molten steel in a steel ladle. The device comprises an infrared temperature measuring probe, a transmission cable and a signal processing unit, the infrared temperature measuring probe is connected with one end of the transmission cable through a cable interface, the signal processing unit is connected to the other end of the cable, the signal processing unit processes a received infrared temperature measurement signal and sends the processed infrared temperature measurement signal to a display for display, the infrared temperature measuring probe comprises a pipe sleeve, an infrared light detection rod is arranged in the pipe sleeve, a cooling gas channel is arranged between the infrared light detection rod and the pipesleeve, an infrared light detection hole is formed in the infrared light detection rod from front to back, a condensing convex lens, a fixed aperture diaphragm and an infrared detection chip are arranged in the infrared light detection hole successively from front to back, infrared light is condensed by the condensing convex lens and penetrates the fixed aperture diaphragm to reach the infrared detection chip, an adjustable aperture diaphragm is arranged between the infrared detection chip and the fixed aperture diaphragm, and an adjusting knob of the adjustable aperture diaphragm is adjustedand locked through an adjusting and locking mechanism.

The invention relates to automobile protection equipment, in particular to an automobile body armor. The automobile body armor comprises an outer cover, bulletproof armors, bulletproof observation windows, linings, fixing bolts, fixing nuts and a body armor body, and is structurally characterized in that the body armor body is internally provided with the bulletproof armor.

The invention discloses a hydraulic tensioning control device of a belt conveyor, and belongs to the technical field of hydraulic tensioning control. The hydraulic tensioning control device of the belt conveyor comprises a hydraulic pump station, the hydraulic pump station is in coupling connection with an energy storing station, and the hydraulic pump station is connected with an electromotor; bysetting a pressure upper limit value, a pressure lower limit value and a pressure normal signal value, the pressure upper limit value is greater than the pressure normal signal value, the pressure normal signal value is greater than the pressure lower limit value, when the whole pressure of the hydraulic tensioning control device of the belt conveyor is less than the preset pressure lower limit value, the hydraulic pump station automatically starts, the starting of the hydraulic pump station makes the whole pressure of the hydraulic tensioning control device of the belt conveyor rise, when the pressure rises to the set pressure upper limit value, the hydraulic pump station automatically shuts down, and therefore the automatic starting and shutting-down of the hydraulic pump station are conducted many times; compared with an original 400-BC8# belt hydraulic tensioning control box, the hydraulic tensioning control device of the belt conveyor has the advantages that the control circuit is simple, the device is easy to maintain and use, few electric elements are used, and the running is stable and reliable.

The invention relates to an electric device of a supporting leg. The electric device comprises an upper housing, a lower housing, a motor, a motor output end gear, a first-stage duplex gear, a second-stage duplex gear a third-stage gear, an input end bearing, a fixing bearing, and an output end bearing, wherein the motor is located on the surface of the lower housing; the motor output end gear ismeshed with the first-stage duplex gear; the first-stage duplex gear is meshed with the second-stage duplex gear; the second-stage duplex gear is meshed with the third-stage gear; the input end bearing is combined with the first-stage duplex gear; the fixing bearing is combined with the second-stage duplex gear; and the output end bearing is combined with the third-stage gear. According to the electric device disclosed by the invention, the rotating speed is adjusted through the compounding ratio of the third-stage gear, and the supporting leg is changed from a manual manner to an electric manner through the meshing of a spline gear in the third-stage gear and a supporting leg transmission mechanism; the electric device is simple and reliable in structure and convenient to maintain, and isused for providing a solution for the situation that a convenient supporting leg is a manual supporting leg, and is inconvenient to use.

The invention discloses a surface polishing and impurity removing device for metal frame machining, and particularly relates to the technical field of material surface polishing. The device comprisesa workbench, a mounting base and a polishing box, wherein universal wheels are arranged at four corners of the lower end of the workbench correspondingly, limiting plates are arranged at the front andrear parts of the upper end of the workbench correspondingly, supporting columns are arranged at the four corners of the upper end of the workbench correspondingly, the upper ends of the supporting columns are fixedly connected with the mounting base, a grinding box is arranged on the left side of the upper end of the mounting base, first hydraulic cylinders are fixedly connected to the left andright portions of the inner top end of the grinding box correspondingly, the lower ends of the first hydraulic cylinders penetrate through the grinding box, the first hydraulic cylinders push a connecting plate to descend so as to enable the connecting plate to drive connecting rods and a grinding frame to descend together, a motor in a motor box drives a connecting shaft and a grinding roller torotate together, the grinding frame drives the grinding roller to descend to grind a metal frame, impurities and foreign matter on the surface of the metal frame are removed, and surface impurity removal of the metal frame is facilitated, so that the polishing efficiency of the metal frame is improved.

The invention relates to the technical field of instruments and meters, and discloses an instrument and apparatus device capable of intelligent monitoring which comprises an instrument body. A fixingplate is fixedly clamped to the upper end of the instrument body, and the surface of the fixing plate is fixedly sleeved with a temperature sensor and a smoke sensor. The lower end of the temperaturesensor and the lower end of the smoke sensor extend into the instrument body, an alarm and a single-chip microcomputer are further fixedly arranged at the upper end of the fixing plate, two U-shaped crimping plates crimped to the outer side of the fixing plate are symmetrically and fixedly clamped to the upper end of the instrument body, and the U-shaped crimping plates and the fixing plate are fixedly clamped through a limiting mechanism. The instrument body can be intelligently monitored in real time, the instrument is convenient to use, the service life of the instrument body is prolonged,and the safety of the instrument body is improved.

The invention relates to the technical field of air conditioners, and discloses an air conditioner with a humidifying function. The air conditioner comprises an air conditioner body and an air outletshell arranged on the front side of the air conditioner body, wherein an inserting opening is formed in the upper side of the air outlet shell, and a fixing frame is movably inserted into the inserting opening; a plurality of breathable net frames are symmetrically and fixedly arranged on the inner walls of the upper and lower opposite sides of the fixing frame; water absorption cloth is fixedly arranged in the breathable net frames; a buffer pipe is fixedly arranged at the upper end of the fixing frame; the lower end of the buffer pipe uniformly and fixedly communicates with a plurality of humidifying pipes; lower side pipe wall penetrating bodies of the humidifying pipes extend into the fixing frame and are inserted into the inner side of the water absorption cloth; a plurality of permeation holes are uniformly formed in the side walls of the humidifying pipes; a micro-pump machine is fixedly arranged on the side wall of the upper side of the air conditioner body; and a water outletof the micro-pump machine communicates with the buffer pipe through a water outlet pipe. The air conditioner has a good humidifying function, the overall structure is simple, and a humidifying assembly is arranged outside the air conditioner body and is convenient to overhaul, maintain and use.

The invention relates to the technical field of efficient self-cleaning treatment ponds, and discloses an efficient self-cleaning treatment pond for sewage treatment, which comprises a hand escalator. The hand escalator comprises a rubber sleeve, a support column, a connecting column and a hook. According to the efficient self-cleaning treatment pond for sewage treatment, through the mutual matched connection and use of the hand escalator, moving wheels, a central shaft, a gasket, a water outlet valve, a circulating tank, a filtering tank, a detachable valve, a mounting frame, an annular cylinder, a conical column, an auxiliary plate and a positioning block, the problems that the connection is not fast enough when the original equipment is operated, cleaning can be conducted only when external equipment is connected, a connector is limited during use, practicability is not high enough, and the application range is not wide enough are solved, the interior can be directly cleaned during equipment operation, meanwhile, the size can be adjusted according to the requirement of an external equipment pipeline by rapidly moving the bottom and being matched with the connector, and meanwhile, the application range of the equipment can be widened.

The invention relates to the technical field of detection and analysis, and discloses photoelectric integrated detection card analysis equipment which comprises a placement box. The upper end of the placement box is of an opening structure, a cover plate is hinged to one side of the upper end of the placement box, and two clamping plates are fixedly connected to the lower end of the cover plate in a bilateral symmetry mode; a same mounting plate is fixedly clamped between the two clamping plates through a clamping mechanism, a plurality of photoelectric detection cameras are uniformly distributed at the lower end of the mounting plate, a cavity is formed in the bottom of the placement box, and a first screw rod and a second screw rod are rotationally connected to the inner walls of the left and right opposite sides of the cavity through ball bearings correspondingly; the opposite ends of the first screw rod and the second screw rod are welded together, threads on the rod walls of the first screw rod and the second screw rod are reverse threads, and one end of the second screw rod penetrates out of the containing box and is fixedly connected with a rotating plate. According to the invention, the detection card can be rapidly and accurately positioned and placed, the detection efficiency and precision are improved, and the maintenance and use of the photoelectric detection camera are facilitated.

The invention provides a novel lightning arrester for an electric power iron tower, and relates to the technical field of lightning arresters. The novel lightning arrester comprises a column body and a bottom frame, wherein a bottom plate is fixedly mounted at the bottom part of the column body, the bottom plate is slidably connected with the bottom frame, a round block is fixedly mounted at the top part of the column body, an extension rod is fixedly mounted on the outer side of the round block, communicating holes are formed in the bottom frame, and mounting bolts are arranged in the communicating holes in a sleeving manner. By arranging the bottom frame, a worker can install the bottom frame at a proper position of an electric power iron tower, then align and insert the bottom plate into the bottom frame, and rotate limiting blocks, so that the limiting blocks limit the bottom plate in the bottom frame, installation of the column body can be completed, during follow-up maintenance and replacement of the column body, the bottom plate can be pulled out of the bottom frame to be replaced only by rotating the limiting blocks to the position above the bottom frame by the worker, operation is easy, no extra tool is needed, and workers can conveniently conduct maintenance and use.

The invention relates to the technical field of radar mounting supports, and discloses a flexible mistake-proof radar mounting bracket which comprises an upper cover plate, a connecting plate is fixedly connected to the middle of the upper cover plate, and a clamping strip is fixedly connected to the middle of the connecting plate. According to the flexible mistake-proof radar mounting bracket, a bumper skin, a radar bracket, a groove, a longitudinal groove, a transverse groove, a cylinder, a triangular groove, a spring, a partition plate, a sliding rail, moving wheels, a bottom plate, frame and side plates are matched and connected for use, so that the problems that the equipment mounting range is limited, the mounting speed is low, the equipment is easy to fall off, and the precision is not high enough are solved; the equipment is clamped and connected through a groove profile, accurate positioning during installation is facilitated, errors are avoided; meanwhile, angle adjustment is adopted for use, the application range is widened, the usability is higher, installation time can be shortened, the operation speed and efficiency can be improved due to single-angle installation and limitation, and meanwhile later maintenance and use are facilitated.

The invention belongs to the technical field of garden landscapes, and particularly relates to a garden landscape green water supply and drainage building structure which comprises a main body, a storage box used for storing impurities is arranged on the outer side of the main body, and a branch pipe which can be conveniently assembled and disassembled to guide the impurities into the storage box is arranged on the outer side of one end of the main body. After the filter screen is obliquely installed in the main body, the filter screen can vibrate to shake off impurities under the action of elasticity of the spring telescopic rods when the filter screen is subjected to external force, and at the moment, leaves and other impurities can be driven by water flow to flow into the storage box through the branch pipes; the structure is simple, impurities can be automatically discharged, blockage caused by accumulation inside is effectively prevented, and the use effect is improved; a backflow pipe is arranged at the position, close to the upper end, of one side of the storage box, water in the storage box can flow back into the main body to be discharged through the height difference, a pull rod is further pulled to drive a draining plate to upwards take out impurities, operation is easy, the impurities can be conveniently cleaned, and the working difficulty is reduced.