43results about How to "Avoid personal danger" patented technology

The invention relates to the technical field of electricity, particularly provides a hot line robot and a control method thereof and aims to solve the problems that the hot line robot might bring personal danger to an operator and is low in working efficiency. Therefore, the hot line robot comprises a robot platform, a hot-line working mechanism, a walking mechanism and a lifting mechanism, wherein the hot-line working mechanism is used for performing hot-line working, the walking mechanism is used for transporting the robot platform to a working site, and the lifting mechanism is used for adjusting the robot platform. According to the control method, the hot line working track of a hot line working unit is planned according to the working image information, collected by the information collection unit, of the hot line working unit, the angle, the angular velocity and the angular acceleration value of the hot line working unit and a preset hot line working task. According to the hot line robot and the control method thereof, the hot line robot can be controlled to perform hot line working according to the specific working conditions, the personal danger to the operator is avoided,and the working efficiency is improved.

The invention relates to a single preheating, sintering, igniting and heat insulating furnace with the advantages of simple structure, little pollution, obvious energy saving effect and high safety. The furnace comprises an igniting section and a heat insulating section, wherein the igniting section and the heat insulating section are connected into a whole and are arranged on a sintering machine table. The heat insulating section comprises an air preheating furnace, and an air heat exchanger is arranged in the air preheating furnace. The igniting section comprises a plurality of burning nozzles, and each burning nozzle is connected with a blast furnace gas pipe and a hot air pipe. A cold air inlet and a cold air input tube of the air heat exchanger are connected, and a fan is arranged on the cold air input tube. A hot air outlet of the air heat exchanger is connected with an inlet of the hot air tube. The air heat exchanger is arranged on a trolley. When the single preheating, sintering, igniting and heat insulating furnace is in working, the sintering compound of the waste gas trolley outputted by the air preheating furnace is insulated, and sucked into a large fume passage by the sintering compound surface of the trolley. The large fume passage is connected with the hot waste gas heat energy recovery system and the waste gas treating system to recover and utilize heat energy and remove harmful elements of sulphur and the like in the waste gas.

The invention provides a method for preparing a high-temperature inorganic scintillation crystal. According to the method, crystal growth is performed by adopting a molybdenum metal, tungsten metal crucible or molybdenum and tungsten alloy crucible instead of a conventional iridium metal crucible; valence transformation of doped cerium ions can be avoided while the crucible material is protected from oxidation by adopting a reductive atmosphere instead of conventional single nitrogen or argon crystal growing atmosphere, so that the crystal growth preparation cost can be greatly reduced, and high-quality crystal can be obtained.

The invention relates to an unmanned-aerial-vehicle-mounted spectrum detection system comprising an unmanned aerial vehicle, a communication control module, an image acquisition module, a detection module, and a navigation and positioning module. Rapid and accurate identification of chemicals in extreme or hazardous environments and at complex terrains is realized; and the danger on the personnel for hand-held detection work is eliminated. The system includes the unmanned aerial vehicle and a spectrum detection unit. The spectrum detection unit for carrying out qualitative and quantitative detection analyses of an infrared spectrum or Raman spectrum on a to-be-detected object is fixed at a spectrum detection module installation position behind the center of the bottom of the unmanned aerial vehicle by a buckle, bolt or a limiting pin and can be dismounted. A ground control center obtains, calculates and analyzes spectral information, sent by the spectrum detection unit, of the to-be-detected object. According to a designed sampling path, the unmanned aerial vehicle flies automatically based on a collected image and collected satellite positioning information so as to carry out sampling work or the flight attitude and path are controlled manually to carry out sampling work.

The invention discloses a fiber bragg grating pressure sensor capable of achieving positive and negative pressure monitoring and a testing method. The fiber bragg grating pressure sensor comprises a connector, a filter screen, a base, an outer shell, a corrugate pipe, a first fiber bragg grating, a second fiber bragg grating, an optical fiber, an optical cable connector, an armored optical cable, a brace, a flange plate, an outer shell cover and a strain beam, wherein the outer shell cover is used for protecting the optical fiber from a sealing glue sealing part to an optical cable connector part, and the strain beam is used for applying prestress. The fiber bragg grating pressure sensor capable of achieving the positive and negative pressure monitoring and the testing method are suitable for the monitoring of pressure safety of oil and gas pipelines, urban underground gas pipelines, heating power pipelines, water supplying pipelines, oil tank pipelines, oil conveying pipelines and other pipe networks, the potential safety hazards that an electronic sensor is electrified and is unsafe in nature are eliminated, and meanwhile the capacity of phases is also improved greatly; the fiber bragg grating pressure sensor is applied to the aspect of real-time online monitoring of coal and rock mass gas pressure, errors caused by single data monitoring are avoided, the sensitivity and the accuracy of the system are improved, manpower, material resources and time are saved, and meanwhile the danger probably brought by personnel on site can be avoided.

The invention discloses an automatic referee platform for javelin competition based on the Internet of Things. The javelin module I is responsible for sending the flying javelin landing signal to the server module III after the javelin has landed and stopped, and sending a landing induction signal to the field module II. etc.; the field module II is responsible for sending the javelin landing position signal to the server module III after the flying javelin stops on the playing field; the server module III is responsible for receiving the signals sent by the javelin module I and the field module II, and judging whether the javelin head is Correctly inserted into the field, calculate the flying distance of the thrown javelin, and the ranking of all players in the javelin throwing competition; the present invention can automatically and correctly judge whether the flying javelin is correctly inserted into the legal field range, and automatically judge the flying distance of the javelin, thereby avoiding The referee must go to the competition venue to bring personal danger; the competition results of all players are automatically ranked to improve the efficiency of the competition.

The invention discloses a mobile phone controlled marine fire extinguishing device. The mobile phone controlled marine fire extinguishing device comprises a mobile phone, a controller, a smoke and fire alarm, a first electric pump, a second electric pump, a diesel generator and a fire sprinkler system, wherein the controller is provided with a main control chip, a communication module and a self-inspection module; the fire sprinkler system comprises sprinkle heads, a sprinkle pipeline and a main pipeline; the controller and the smoke and fire alarm are connected with the mobile phone through signals respectively; the controller is connected with the diesel generator; the diesel generator supplies power to the first electric pump and the second electric pump; the first electric pump and thesecond electric pump are used for pumping water; the fire sprinkler system is distributed in every place of a ship, in case of a fire on the ship, the smoke and fire alarm sends an alarm message to the mobile phone, a user can sends a message to the controller through the mobile phone, power is generated, water is pumped to the ship, the fire is extinguished by the fire sprinkler system, and firesafety during unattended operation of the ship is guaranteed.

The invention provides a vehicle warning device which comprises a vehicle collision detecting unit. The vehicle collision detecting unit is connected with a control unit, and the control unit is connected with an upspring device, further connected with a sound-light alarm device, is connected with a power supply, is connected with a control button and is connected with a reset button. The invention further provides an accident immediate warning method. The accident immediate warning method comprises the steps that (a) an inertial sensor of a vehicle detects vehicle collision signals and compares numerical values of the collision signals with a preset value, and (b) the control unit controls a warning sign to upspring, wherein the step (a) and the step (b) are executed in sequence, and the warning sign upsprings. The vehicle warning device is mounted on a roof of the vehicle and can be found by distant vehicles more easily. According to the accident immediate warning method, the warning device does not need to be assembled and placed manually, can upspring automatically when needed and can retract automatically when not used.

The invention discloses a tall building spraying robot. The tall building spraying robot comprises a movable flat car, a telescopic arm, a secondary platform, a paint tank and a spraying machine. Thetelescopic arm is arranged on the movable flat car, the secondary platform is arrange at the front end of the telescopic arm, the telescopic arm controls the secondary platform to ascend and descend,the paint tank and the spraying machine are arranged on the secondary platform, and the paint tank supplies paint to the spraying machine. The spraying machine is provided with a spraying head, and the spraying head is arranged on a mechanical arm on the secondary platform. According to the tall building spraying robot, the ascending and descending secondary platform is installed on the movable flat car, the spraying machine and the like are arranged on the secondary platform, the weight of a paint liquid conveying pipe and paint in the pipe can be reduced, resistance in the paint conveying process can be reduced, and the pressure ( intensity of pressure) grade of the spraying machine can be reduced; and the tall building spraying robot replaces aerial work (dozens of meters in height) ofoperation workers, the labor intensity of the workers is reduced, the working efficiency is improved, and personal risks of aerial work is reduced and eliminated.

The invention provides a remote automatic ignition system for an oil pool fire combustion experiment. The remote automatic ignition system comprises a movable supporting device, a movable supporting control device, an ignition device, an ignition position control device, an ignition control device and a remote control device. The movable supporting control device, the ignition device, the ignition position control device and the ignition control device are all located on the movable supporting device. The movable supporting device is used for being controlled by the movable supporting control device to move to a first preset position. The ignition position control device is used for controlling the ignition device to move to a second preset position when the movable supporting device moves to the first preset position. The second preset position is an ignition position. The ignition control device is used for controlling the ignition device to conduct ignition when the ignition device moves to the second preset position. The remote control device is used for remotely controlling the movable supporting control device, the ignition position control device and the ignition control device. By means of the system, injuries caused by manual ignition to people can be avoided.

The invention provides an automatic fixed-point fixed-depth water sampler (as shown in a figure 1). The automatic fixed-point fixed-depth water sampler mainly comprises an onshore GPS base station anda sampling ship, wherein the sampling ship is composed of a propeller, a propeller powering and controlling mechanism, a hull, a water sample bottle, a water outlet device and a controller, a battery, a pump, a GPS receiver, ship storage equipment, a capstan controlling and powering mechanism, a capstan, a water sampling hose and a hose counterweight. In use of the water sampler of the inventionsampling personnel only needs to set the GPS base station and input the coordinates of a sampling point and water depth into a sampling ship memory card, and then the sampling ship automatically sailsto a designated position through spatial positioning and extracts a water sample at a designated depth; so sampling efficiency is greatly improved and the safety of the sampling personal is guaranteed.

The invention relates to a welding fixture, in particular to a steering supporting welding fixture. The steering supporting welding fixture solves the problems that an existing fixture is complex in structure and inconvenient to operate, has potential safety hazards in the turnover process, and is low in production efficiency. A standard board of the fixture is horizontally arranged, the two ends of the standard board are respectively connected with a connecting fixing plate, a first locating supporting part and a second locating supporting part are arranged on the upper surface of the standard board in parallel side by side, a first compressing part, a second compressing part, a first locating compressing part, a third compressing part and a fourth compressing part are sequentially installed on one side of the standard board, and a fifth compressing part, a sixth compressing part, a second locating compressing part, a third locating compressing part, a seventh compressing part and the two connecting fixing plates are sequentially installed on the other side of the standard board. The steering supporting welding fixture is used for instrument board framework welding.

The invention discloses a multifunctional platform electric control cleaning vehicle suitable for municipal environmental sanitation engineering. The device comprises a bearing frame, a double-control driving cabin, a generator set, a storage battery pack, a rolling washing wheel, an ice crusher, a negative pressure collecting opening, a central control unit, a vacuum pump, a disturbance spraying rod, a collecting cabin, an in-cabin filter screen, a cleaning cabin door, a drive-by-wire spraying head, a snow melting heating disc, a bidirectional water spraying opening, a waste heat air opening ABC, a driving wheel, a steering wheel, a motor, a fan heater, a vehicle driving platform, an equipment operation panel, a conical parking station and the like (as illustrated in the description). Comprehensive coverage of environmental sanitation road cleaning work is achieved, and dust removal, sweeping, watering, snow removal, ice crushing, irrigation and fallen leaf cleaning are integrated. The problems that existing environmental sanitation equipment is uneven in performance, single in control function and low in use efficiency are solved.

The invention relates to a mining scraper conveyer driving control system. The mining scraper conveyer driving control system comprises two sets of branch control systems, wherein one set of branch control system is a main control system which is used for controlling the speed of a driving motor of a scraper conveyor, the other set of branch control system is a slave control system which is used for controlling the moment of a driven motor of the scraper conveyor, the two sets of systems are the main and slave control systems to each other, and each set of branch control system comprises a three-electrical-level PWM rectifier, a super-capacitor set, a three-electrical-level inverter and a wave filter which are connected together in sequence. The mining scraper conveyer driving control system has the advantages that an electric circuit is simple in structure, low in cost, easy to control and high in performance cost ratio, a power electronic technology and an all-digital intelligent technology are utilized, efficient utilization of the motors and electric energy thereof is realized, by means of organic combination with the super-capacitor sets, various special working conditions ofthe scraper conveyor can be realized more effectively, and effective utilization of regenerative energy is realized.

The invention relates to a mining scraper conveyer intelligent and efficient driving system. The mining scraper conveyer intelligent and efficient driving system comprises two sets of branch control systems, wherein one set of branch control system is a main control system, the main control system is used for controlling the speed of a driving motor of a scraper conveyor, the other set of branch control system is a slave control system, the slave control system is used for controlling the moment of a driven motor of the scraper conveyor, the two sets of systems are the main and slave control systems to each other, each set of branch control system comprises a three-electrical-level PWM rectifier, a three-electrical-level inverter and a wave filter which are connected together in sequence,one ends of two-direction DC / DC current transformers are connected in super-capacitor sets, and the other ends of the two-direction DC / DC current transformers are connected in parts between the three-electrical-level PWM rectifiers and the three-electrical-level inverters. The mining scraper conveyer intelligent and efficient driving system has the advantages that an electric circuit is simple instructure, low in cost, easy to control and high in performance cost ratio, efficient utilization of the motors and electric energy thereof is realized, by means of organic combination with the super-capacitor sets, various special working conditions of the scraper conveyor can be realized more effectively, and effective utilization of regenerative energy is realized.

The invention discloses an intelligent energy-saving socket, which is characterized in that it comprises: a power supply module, a main control module, a current detection module, a short message sending and receiving module, a human body induction module, a control module, and a relay module, and the main control module is respectively connected to the current detection module , short message transceiver module, human body sensing module, control module, the control module is connected to the relay module, the relay module controls the connection and disconnection of the socket and the mains, and the power module is respectively connected to the main control module, the current detection module, the short message transceiver module, the human body Sensing module, control module, relay module. The intelligent energy-saving socket of the present invention has the advantages of low cost, small volume and convenient installation. It can achieve the purpose of saving energy for household appliances; avoid the trouble of plugging and unplugging, reduce the possibility of arc generation, and the probability of fire. The timing intelligent control of the present invention embodies the concept of smart home, and with the popularization of smart home systems, the smart socket of the present invention will have a good market prospect.

An automatic alarming method and system of a robot under an environment of the internet of things are characterized in that whether a dangerous event of an elevator of one high-rise building occurs or not is judged by an automatic alarming device according to a voice signal in the elevator of the high-rise building in one city, when a target loudspeaker device body is judged to exist in registered loudspeaker devices, and the straight-line distance between the target loudspeaker device body and position information of the high-rise building where the dangerous event occurs is calculated to be smaller than an assigned threshold value, automatic alarming voice including the position information and a building name of the high-rise building where the dangerous event occurs is sent to the target loudspeaker device body and a monitoring station through the internet of things, and a service charge which is in a direct proportional relation with the number the occurrence times of the dangerous events is deducted from a bound electronic account of the high-rise building where the dangerous event occurs; and the target loudspeaker device body broadcasts the automatic alarming voice. The embodiment of the automatic alarming method and system of the robot under the environment of the internet of things, the dangerous event of the elevator of one high-rise building can be known by the outside world in time, and the robot is stimulated to take part in dangerous alarming.

The invention discloses an unmanned patrol car which comprises a carrying chassis, and main control equipment, radar, antenna equipment and warning equipment which are arranged on the carrying chassis. The antenna equipment is used for receiving the satellite positioning signal, the control instruction and the warning information and sending the satellite positioning signal, the control instruction and the warning information to the main control equipment. The radar is arranged at the front part of the carrying chassis and is used for detecting the front part and outputting a radar signal to the main control equipment, and the main control equipment is used for calculating the current position according to the satellite positioning signal, controlling the carrying chassis to operate according to the current position and the control instruction and avoiding an obstacle based on the radar signal. The warning equipment is used for sending a warning signal, warning sound and / or warning content to a front coming vehicle based on the warning information. When accidents occurs on a highway, the patrol car can be controlled to move to a required position and send out warning information in real time, so that a policeman does not need to go out to place a roadblock, the labor cost is saved, and the personal danger of the policeman is avoided.

The invention provides an electromagnet protection circuit which can avoid the situation that an electromagnet is damaged due to continuous electrification and overheating when a control signal breaks down, so that potential safety hazards are eliminated, and personal danger is avoided. The electromagnet protection circuit is connected with a control signal input end of a control circuit, the electromagnet protection circuit comprises an electromagnet L1, MOS tubes Q1 and Q2, resistors R1 to R3 and a capacitor C1, one end of the electromagnet L1 is connected with a power supply VCC, the other end of the electromagnet L1 is connected with a drain electrode of the MOS tube Q1, a grid electrode of the MOS tube Q1 is connected with one end of the resistor R1, one end of the resistor R2 and a drain electrode of the MOS tube Q2 and then is connected to a control signal input end of the control circuit, a grid electrode of the MOS tube Q2 is connected with the other end of the resistor R2, one end of the capacitor C1 and one end of the resistor R3, and source electrodes of the MOS tube Q1 and the MOS tube Q2 are connected with the other ends of the resistor R1, the resistor R3 and the capacitor C1 and then are grounded.

The invention relates to the field of stacking machines, in particular to a lubricated stacking machine portal frame assembly which comprises an outer portal frame and an inner portal frame, the inner portal frame is arranged in the outer portal frame in a sleeved mode, and an outer lifting oil cylinder used for driving the inner portal frame to slide up and down is arranged on the outer portal frame. The first lubricating assembly is arranged to lubricate the chain used for driving the pallet fork to move up and down, through combination of the movable rod, the stretching guide pipe and the limiting assembly, in the lifting action of the pallet fork, the movable rod can stably move relative to the chain, lubricating oil is evenly applied to the chain, a worker does not need to climb to a portal frame for operation, and the working efficiency is improved. Therefore, the daily required lubrication maintenance of the chain is ensured, and the personal danger is avoided. When the stacking machine works, the oil pump assembly is opened and closed according to the actual use requirement, the oil feeding and lubricating work of the whole portal frame can be completed through the self-action of the portal frame, the automation degree is high, and time and labor cost are saved.

The invention discloses a mortar smearing mechanical device for constructional engineering, and relates to the technical field of mortar smearing. The device comprises first supporting structures, the first supporting structures comprise first supporting columns, first mounting grooves are formed in one side faces of the first supporting columns, and first racks are fixed to the inner bottom faces of the first mounting grooves at equal intervals; second supporting structures are in threaded connection with the top ends and the bottom ends of the first supporting columns and comprise first threaded columns in threaded connection with the first supporting columns, base plates are fixed to the ends, away from the first supporting columns, of the first threaded columns, and fixing nuts are fixed to the outer surfaces, close to the bottoms of the first supporting columns, of the first threaded columns; and second supporting columns are slidably connected to the inner side faces of the two first supporting columns, and second mounting grooves are formed in the upper surfaces of the second supporting columns. According to the mortar smearing mechanical device for constructional engineering, through use of a leveling plate, a U-shaped locking rod, the first supporting structures, the second supporting structures and the second supporting columns, and the problems that existing mortar smearing needs manual smearing, the smearing efficiency is low, the smearing and leveling quality is low, and the manual labor intensity is high are solved.

The invention relates to a mutual inductor field calibration wire-connection method which is characterized of comprising the following steps. Step 1, connect one connector lug of a calibration instrument to terminals of a ground rod, step 2, hang the ground rod on a primary bus of a mutual inductor to calibrate the mutual inductor. According to the mutual inductor field calibration wire-connection method, the ground rod has a certain length, so that a staff has no need to climb to positions equipped with the mutual inductor and avoids personal risk for high-position work when installing the ground rod on the primary bus of the mutual inductor. Besides, a mutual inductor primary device is prevented from damage, the security of the mutual inductor field calibration is effectively improved, and the efficiency of calibration work is enhanced.

The invention discloses a fiber bragg grating pressure sensor capable of achieving positive and negative pressure monitoring and a testing method. The fiber bragg grating pressure sensor comprises a connector, a filter screen, a base, an outer shell, a corrugate pipe, a first fiber bragg grating, a second fiber bragg grating, an optical fiber, an optical cable connector, an armored optical cable, a brace, a flange plate, an outer shell cover and a strain beam, wherein the outer shell cover is used for protecting the optical fiber from a sealing glue sealing part to an optical cable connector part, and the strain beam is used for applying prestress. The fiber bragg grating pressure sensor capable of achieving the positive and negative pressure monitoring and the testing method are suitable for the monitoring of pressure safety of oil and gas pipelines, urban underground gas pipelines, heating power pipelines, water supplying pipelines, oil tank pipelines, oil conveying pipelines and other pipe networks, the potential safety hazards that an electronic sensor is electrified and is unsafe in nature are eliminated, and meanwhile the capacity of phases is also improved greatly; the fiber bragg grating pressure sensor is applied to the aspect of real-time online monitoring of coal and rock mass gas pressure, errors caused by single data monitoring are avoided, the sensitivity and the accuracy of the system are improved, manpower, material resources and time are saved, and meanwhile the danger probably brought by personnel on site can be avoided.

The present invention relates to a long cable control method of a mining scraper conveyor drive system, which is characterized in that it includes the following steps: when the scraper conveyor is running, one of the component control systems is the main control system, and the main control system uses In order to control the speed of the active motor of the scraper conveyor, another component of the control system is the slave control system, which is used to control the torque of the driven motor of the scraper conveyor, and the general control system samples the sub-control system of the scraper conveyor The data is analyzed, and according to the sampling data, the operating conditions of each control system are controlled and adjusted to achieve real-time monitoring, real-time adjustment, and automatic adjustment of intelligent operation. The advantages of the invention are: the circuit structure of the invention is simple, the cost is low, the control is easy and the cost performance is high, and various special working conditions of the driving system of the scraper conveyor can be realized more effectively, and the regenerative energy can be effectively utilized.

The invention discloses a tire energy release method and device. The method comprises the steps that the collision speed and the collision working condition of an accident vehicle are obtained; and when the collision speed is larger than or equal to the preset speed value or the collision working condition meets the preset condition, after it is judged that the state of the accident vehicle is a serious accident state, tires of the accident vehicle are controlled to break and release energy according to the collision working condition. By adopting the embodiment of the invention, the safety of tire energy release can be improved, so that the safety of vehicle driving is further improved.

The first aspect of the present invention provides a vehicle warning device, which includes a vehicle collision detection unit, the vehicle collision detection unit is connected to a control unit, the control unit is connected to a pop-up device, and the control unit is also connected to an audible and visual alarm device. The control unit is connected with a power supply, the control unit is connected with a control button, and the control unit is connected with a reset button. The second aspect of the present invention provides an instant warning method for accidents, which includes a. The inertial sensor of the vehicle detects the vehicle collision signal, and compares the value of the collision signal with the set value; b. The control unit controls the pop-up of the warning sign; steps a and b are executed in sequence, and the warning sign pops up. The installation position of the vehicle warning device and the instant warning method for accidents provided by the present invention is on the top of the vehicle, which is easier to be found by distant vehicles; and the warning device in the warning method does not need to be manually assembled and placed, and can be popped up by itself when needed, and can be removed when not in use. Take it back on your own.

The invention discloses under-degree-of-freedom steel pipe packaging equipment, and belongs to the technical field of workpiece packaging. The packaging equipment comprises a storage rack, a correction assembly is arranged on the storage rack, the correction assembly is in sliding connection with the storage rack, a packaging arm is arranged on the storage rack, and the packaging arm is in sliding connection with the storage rack; a first electric cylinder and a second electric cylinder are arranged on the two sides of the storage rack correspondingly and rotationally connected with a first connecting rod and a second connecting rod correspondingly, one ends of the first connecting rod and the second connecting rod are rotationally connected with the storage rack, and the ends, away from the storage rack, of the first connecting rod and the second connecting rod are rotationally connected with a third connecting rod and a fourth connecting rod correspondingly. The third connecting rod and the fourth connecting rod are rotationally connected with the packaging arm, a welding assembly is arranged on the storage rack, the welding assembly is rotationally connected with the storage rack, a moving assembly is arranged on the storage rack, and the intelligent and automatic packaging device has the intelligent and automatic packaging function after the steel pipes are formed.

The invention belongs to a municipal engineering drainage device, especially a linear invisible rainwater catchment apparatus applied in collecting rainwater in the open square and pedestrian mall, characterized in that it comprises shell with drain, capping with collecting channel, which, with inlet, is connected with drain tank of shell. Cuboid or round pipeline is formed after locking between shells and capping. Said collecting channel is comprised of two side boards and on the bottom of said shell drain hole is preset to connect with assistant shell. The beneficial efficiencies are that by laying linear invisible rainwater catchment apparatus in the open square and pedestrian mall and laying collecting channel to linear inlet along artificial surface and buried pipeline strike, conventional municipal laying construction scheme for long is changed, there is no need to set well cover, collecting rainwater is quick and so on.

The invention discloses an insurance type magnetic recoil generator, which comprises a casing, the top of the casing is fixedly connected with an upper cover, the surface of the upper cover is provided with an integrally formed through hole, and the inside of the through hole is penetrated. There is a high temperature resistant wire, the bottom of the high temperature resistant wire is fixedly connected with a terminal frame, the bottom of the terminal frame is fixedly connected with an adhesive tape, one side of the adhesive tape is provided with a magnetic steel, and the bottom of the magnetic steel A safety component is fixedly connected to the side surface, and an armature component is arranged at the bottom of the safety component. The invention uses the magnetic steel to cut the magnetic induction line under the action of strong force, induces the current, leads the outside through the wire on the wiring frame, and realizes ignition. The function of the air hole is to discharge, and the airflow can impact and fall off a large amount of dust on the surface, ensuring that there is no dust on the surface of the generator, and avoiding personal danger caused by dust conduction.

The invention discloses a separated type tin receiving tray clamp. The separated type tin receiving tray clamp comprises a tin receiving tray frame, a tin receiving tray upper metal frame and a tin receiving tray metal bottom support. According to the separated type tin receiving tray clamp, through a separated type tin receiving tray, the problem that a fixed type tin receiving tray is difficultto clean is solved, the cleaning time is shortened and labor is reduced, and the personal danger that welding flux tin is cleaned through tweezers is thoroughly avoided.