265results about How to "Quick contact" patented technology

The utility model provides a fast closing circuit breaker, which comprises a contact mechanism, an operating mechanism and a limiting assembly, in the closing process, a moving contact has a first state in which the moving contact is linked with a moving contact frame and rotates towards a direction close to a static contact, and a second state in which the moving contact keeps a constant distance from the static contact after abutting against a limiting block and a first elastic piece stores energy; compared with the prior art, through the arrangement of the energy storage mechanism, the movable contact and the static contact can be quickly connected, the phenomenon that the contact is ablated or welded due to high temperature due to the fact that the contact is connected or disconnected due to human factors is avoided, and the safety of the contact is improved. And the service life of the circuit breaker is prolonged.

The invention discloses full-automatic detection equipment for an FPC (flexible printed circuit) board, relates to the technical field of FPC board detection, solves the problems of complicated operation and low detection efficiency of the FPC board, and comprises a feeding tray arranging machine, a discharging tray arranging machine, a carrying device and a rotary detection device, the carrying device comprises a suction assembly capable of moving up and down and transversely, and the suction assembly is provided with a plurality of suction nozzles. The rotary detection device comprises a rotary table, two lower positioning detection modules and an upper pressing module, each lower positioning detection module comprises an upper carrier plate and a positioning mold, and each positioning mold comprises a first needle mold plate, a second needle mold plate, a first connecting module, a second connecting module, a needle mold fixing block and a magnet. The automatic feeding and discharging device has the advantages of being high in automation degree, high in detection efficiency and the like, has the automatic feeding and discharging function, and can detect changes of numerical values such as capacitance, voltage, current and resistance of the FPC circuit board through a detection instrument after the FPC circuit board is positioned and powered on.

An integrated rapid correction device for formation and capacity grading equipment comprises an upper computer which is connected with a switch through the Ethernet. The switch is in signal connection with a to-be-calibrated device and a plurality of independent working devices; the calibration unit is connected with the equipment to be calibrated through a voltage and current line and a wireless signal to achieve an equipment calibration effect; the calibration unit comprises a calibration main processor, an FPGA (Field Programmable Gate Array) coprocessor, a signal relay plate, a universal meter and a voltage and current connecting plate, and works through an external power supply; the test port of the universal meter is electrically connected with the calibration port of the to-be-calibrated device. The calibration main processor comprises a precision calibration circuit for adjusting measurement and output precision, a line sequence calibration circuit for ensuring signal synchronism and time sequence, and a coaxiality calibration circuit for ensuring coaxial cable signal accuracy; according to the utility model, the precision calibration circuit and the coaxiality calibration circuit are greatly improved on the basis of the utility model with the publication number of 115166614A, and the sensitivity of detecting the contact state of the probe, the accuracy of precision calibration and the energy utilization efficiency are improved.

The invention relates to an electrocatalytic treatment device and method for medical sewage. The device comprises an electrocatalytic oxidation tank and desilting equipment, a water inlet nozzle is arranged at the bottom of the electrocatalytic oxidation tank, the water outlet direction of the water inlet nozzle is perpendicular to the radial direction of the electrocatalytic oxidation tank, the water inlet nozzle is connected with a water inlet pipe, and a booster pump and an ozone supply mechanism are arranged on the water inlet pipe; a cathode plate and an anode plate are arranged in the electrocatalytic oxidation tank; a water outlet is formed in the side wall of the upper part of the electrocatalytic oxidation tank; and the cathode plate and the anode plate are net-shaped plates. The negative plates and the positive plates are arranged to be net-shaped, when rotational flow medical sewage reaches the negative plates and the positive plates, the medical sewage can penetrate through the negative plates and the positive plates, the resistance of the negative plates and the positive plates to the sewage is reduced, and it is ensured that the medical sewage can be kept in a rotational flow state when passing through the negative plates and the positive plates; therefore, sewage and ozone are promoted to quickly and uniformly contact with the cathode plate and the anode plate, the effect of electro-catalytic ozone is ensured, and the decomposition speed of organic matters is accelerated.

The present invention discloses a fully sealed intelligent water meter anti-theft device, including a main shell, a mounting groove is provided at the bottom of the main shell, and a sealing plate is sealed and connected at the bottom opening near the mounting groove, a plurality of fixed seats are evenly distributed and installed on the upper end surface of the sealing plate, a connecting shaft is vertically connected to the fixed seats, a connecting head is provided at the top of the connecting shaft, and the connecting head and the connecting shaft are an integrated structure, a plurality of connecting seats are fixedly connected inside the main shell, and the connecting seats and the connecting shaft are arranged one by one, a connecting hole is provided at the bottom of the connecting seat, and the connecting hole and the connecting shaft are clearance-matched, a placement groove is provided on one side of the main shell, and a buzzer is fixedly installed inside the placement groove. This fully sealed intelligent water meter anti-theft device has a simple and reasonable structure, a novel design, and is easy to install. It can effectively prevent the water meter from being disassembled during use, has high safety, and is convenient for wide promotion and use.

The invention discloses an acid-making process using hydrogen sulfide waste gas and waste sulfuric acid, and relates to the technical field of acid-making processes, and the acid-making process specifically comprises the following steps: step 1, high-temperature reaction and gas generation, step 2, gas purification and conversion, a demister and a spraying assembly are used for removing dust, impurities and harmful substances in the gas; and step 3, sulfur trioxide absorption and sulfuric acid preparation. According to the acid-making process using the hydrogen sulfide waste gas and the waste sulfuric acid, the absorption slurry is sprayed out through the nozzle to be in countercurrent contact with the gas mixture, physical absorption and chemical reaction are combined, dust, impurities and other harmful substances in the gas mixture are effectively removed, and the gas purification efficiency is improved; the nozzles at the upper end and the lower end are used for spraying and cleaning the corrugated plate, it is ensured that the corrugated plate is always kept clean, system efficiency reduction caused by blockage or pollution of the corrugated plate is reduced, and the operation efficiency and stability of the whole system are improved.

The invention relates to the technical field of power management, and discloses an intelligent arrearage early warning and automatic power failure and recovery management system, which comprises a management system, a power utilization system and a power utilization list system, and is characterized in that the management system comprises a management module, a filing and account establishing module, a payment module and a management module, the system comprises a management system, a power utilization system and a power utilization list system, the management system is used for managing the power utilization system, so that a manager can use the device, and the file establishment and account establishment module is used for the manager to establish a file for a user. The intelligent electric meter managed by the system can automatically cut off power and restore power according to the balance of the user, so that the workload of a manager is reduced, the power restoration efficiency and speed of the user are improved, the trouble that the user still needs to seek a worker to restore power after submitting the electric charge is avoided, and the use comfort of the user is improved.

The invention discloses a preparation method of a coated glass cleaning solution, and relates to the technical field of preparation of coated glass cleaning solutions. Preparation of the coated glass cleaning liquid is completed through cooperation of a preparation table, a reaction kettle body, a separate storage mechanism, a flow dividing mechanism, a separate taking mechanism and a driving mechanism, the reaction kettle body is fixedly connected to the upper end face of the preparation table, and the separate storage mechanisms used for storing different additives are arranged on the upper end face of the preparation table and located over the reaction kettle body; according to the invention, through the cooperation of the separate taking mechanism and the separate storage mechanism, different additives are automatically and sequentially added into the reaction kettle, the operation time is shortened, the addition sequence is ensured to be correct, and the operation efficiency is improved. And the additive is divided into a plurality of strands through the flow dividing mechanism to be fed into the reaction kettle from different positions, so that the centralized deposition phenomenon is effectively reduced, the contact efficiency of the additive and the main mixed liquid is improved, and the uniform mixing effect is promoted.

The invention discloses a wastewater treatment device for the semiconductor industry, and belongs to the technical field of wastewater treatment.The wastewater treatment device for the semiconductor industry comprises a main body, a supporting frame is fixedly connected to the outer wall of the main body, a wastewater inlet pipe is fixedly connected to one side of the top of the main body, and a driving mechanism is installed on the inner wall of a storage cavity; a spraying mechanism is mounted at the top of the main body, a stirring mechanism is mounted on the outer wall of the driving mechanism, and a wastewater outlet pipe is fixedly connected to the outer wall of the main body. By designing the driving mechanism, the spraying mechanism and the stirring mechanism, wastewater and an adsorbent can be quickly mixed, the wastewater can be treated, meanwhile, the angle of stirring blades can be selected, the treatment rate can be increased in the wastewater treatment process of different methods, in addition, the spraying mechanism can move up and down along with stirring, and the treatment efficiency is improved. Therefore, the treatment efficiency is improved, and the method has wide application prospects in the field of wastewater treatment.

The invention discloses a traction device for clinical use in the orthopedics department and a using method of the traction device, and relates to the technical field of medical assistion.The traction device comprises a supporting ring, a plurality of telescopic rods are fixedly arranged at the top of the supporting ring, a traction ring is fixedly arranged at the tops of the telescopic rods, and an air bag is arranged at the top of the traction ring; two buffer grooves are formed in the top of the supporting ring, and two air outlet grooves are formed in the side wall of the supporting ring. Through the arrangement of a trapezoidal block, two release springs and two L-shaped switching rods, a patient can quickly release traction by himself / herself, the safety is high, the operation is simple, convenient and quick, and through the arrangement of a buffer plate, a limiting sliding groove, a first one-way plate, a first torsional spring, a first connecting shaft, a second one-way plate, a second connecting shaft, a second torsional spring and a sealing plate, the safety of the patient is improved. Rapid contact traction is achieved when a patient feels uncomfortable, too fast collision and friction can be avoided during cervical vertebra reduction, and the spine safety of the patient is guaranteed.

The invention discloses preparation equipment and a preparation method of high-purity phosphorus trifluoride, the preparation equipment comprises a micro-channel reactor, the micro-channel reactor comprises a plurality of reaction modules, each reaction module comprises a first reaction cavity arranged on the side surface of a fixed substrate in a convex manner, and the other side surface of the fixed substrate is provided with a plurality of second reaction cavities in a convex manner; a material guide hole for communicating the first reaction cavity with the second reaction cavity is formed in the fixed base plate; a feeding hole is formed in the fixed base plate, and the feeding hole is outwards connected with a corresponding three-way feeding pipe; a discharging hole is formed in the fixed base plate, and the discharging hole is outwards connected with a corresponding discharging pipe; and the condenser comprises a condensation cylinder, the two ends of the condensation cylinder are fixedly connected with sealing plates, the top of the condensation cylinder is upwards connected with a pre-cooling cylinder, the top of the pre-cooling cylinder is closed, and the discharging pipe is connected to the top of the pre-cooling cylinder in parallel. The production efficiency can be improved, and the quality stability of products can be ensured.

The invention discloses a modification method of nano silicon dioxide and modified asphalt, and belongs to the technical field of asphalt modifiers or silicon compounds. Nano-particles are easy to settle in the modified asphalt due to different densities when the nano-materials are used for modifying the asphalt, so that the storage stability of the modified asphalt is poor, and after the nano-particles settle, the nano-particles are mutually gathered, so that the viscosity of the nano-modified asphalt is greatly increased, and the asphalt is fractured. The preparation method comprises the following steps: 1) stirring and mixing nano silicon dioxide and a thickening agent dispersion liquid, separating, washing and drying to obtain nano silicon dioxide coated with a thickening agent; wherein the thickening agent is a polyethylene glycol aqueous solution; and 2) adding the nano-silica coated with the thickening agent into the naphthenate solution, and carrying out constant temperature reaction, separation, washing and drying to obtain the modified nano-silica, the solvent in the naphthenate solution being a benzene solvent, so that the intersolubility of the nano-silica and asphalt is improved, network winding is formed, and the settling resistance of nano-silica particles is increased.

The invention discloses indoor efficient air dust removal equipment for constructional engineering, and relates to the technical field of indoor air purifiers, the indoor efficient air dust removal equipment for constructional engineering comprises a base, a dust removal box is connected to the base through a reciprocating mechanism, four dust suction fans which are uniformly distributed are mounted at the bottom of the dust removal box, and an air homogenizing cover fixedly communicates with the top of the dust removal box; an air guide mechanism is arranged in the air equalizing cover, and the air guide mechanism comprises a plurality of equidistantly distributed rotary air guide assemblies and a synchronous driving assembly. The rotary dust collection mechanism is arranged, in the dust collection process, the dust collection cover at one end of the dust collection pipe is made to rotate so as to achieve the all-dimensional multi-angle dust collection effect of the dust collection cover, and therefore the indoor dust collection efficiency of the air dust collection equipment can be improved; and the reciprocating motion mechanism is arranged, in the dust collection process, the dust collection box can reciprocate in the horizontal direction, in this way, the dust collection area of the whole air dust collection equipment can be effectively enlarged, and the dust collection efficiency of indoor air is further improved.

The invention relates to the technical field of waste gas treatment, and discloses laboratory fume hood waste gas treatment equipment which comprises a treatment box, an air inlet pipe is fixedly connected to the front side face of the treatment box, a reciprocating lead screw is arranged in the air inlet pipe, and fixing clamping plates are fixedly connected to the upper face and the lower face of the inner wall of the treatment box. According to the device, large-particle impurities in waste gas are blocked by the filter plate and separated from the waste gas, so that the waste gas is preliminarily filtered, follow-up treatment is facilitated, the large-particle impurities on the filter plate are shaken off through vibration of the movable clamping plate and the filter plate, the filter plate is prevented from being blocked, continuous filtering is facilitated, and the filtering efficiency is improved; large-particle impurities falling into the treatment box can be treated by pushing a sliding baffle to open the treatment box, and at the moment, a filtering plate can be taken out to be cleaned, so that the large-particle impurities cannot be accumulated in the treatment box, and the waste gas filtering effect of the device is further promoted.

The invention belongs to the technical field of essential oil patches, and discloses a slow-release sleep-aiding essential oil patch and an essential oil formula. The essential oil patch comprises a surface layer, an essential oil layer, an isolating layer, a sticking layer and a protective layer, the essential oil layer contains a sustained-release microcapsule, and the sustained-release microcapsule comprises a microcapsule wall material and a sustained-release sleep-aiding essential oil core material. The essential oil formula comprises the following raw materials: lavender essential oil, sandalwood essential oil, pelargonium graveolens essential oil, bergamot fruit essential oil, vetiver root essential oil, rose essential oil, eucalyptus globulus leaf essential oil, frankincense essential oil and manuka essential oil. According to the slow-release sleep-aiding essential oil patch, the sleep-aiding essential oil is wrapped in a microcapsule form, so that the sleep-aiding essential oil can be slowly released, the fragrance can be continuously retained, and the sleep of a human body can be assisted. The raw materials of the sleep-aiding essential oil are all natural essential oil, drug dependence and side effects are avoided, the essential oil raw materials are all processed into small molecular structures, the small molecular essential oil can rapidly make contact with respiratory mucosa and permeate into a blood circulation system through blood vessels and lymphatic vessels to play a role, and the sleep-aiding essential oil is rapid in effect taking and high in practicability.

The invention relates to the technical field of image processing, in particular to an intelligent art work image display system which comprises a work image acquisition module, a work image processing module, a work information input module, a work classification module, a control display module and a display adjustment module. Through combination of the work image acquisition module and the image processing module, high-quality work image presentation is ensured, the display effect is enhanced, art works are intelligently classified according to the input work information, accurate data support is provided for intelligent display of images, and the work quality is improved. The control display module effectively calls corresponding art work blocks by receiving selection information of a user and displays the art work blocks according to different modes and sequences, and the display adjustment module further evaluates the effectiveness of the art work blocks according to the residence time of the user before the art work and dynamically adjusts the follow-up display sequence. The intelligent display of the art work image is facilitated, and the display efficiency of the art work is improved.

The invention relates to the technical field of water quality treatment, and discloses a black and odorous water body treatment method which comprises the following steps: S1, placing and preparing a mixed injection mechanism; s2, stirring the water body to promote the water body to form upwelling flow; s3, adding a light-oxygen activation material into the water body; and S4, digesting pollutants in the water body, and activating indigenous microorganisms in the bottom mud and the water body. The technical scheme provided by the invention can solve the problems of unstable water quality, high investment cost, easy black and odorous return, possible secondary environmental pollution and the like in the existing black and odorous water body treatment technology.

The utility model discloses a mobile contaminated soil remediation device, which relates to the technical field of soil remediation and comprises a mobile device, a carrier plate fixedly mounted on the mobile device, two reinforcing plates arranged between the mobile device and the carrier plate, two hydraulic cylinders arranged on the carrier plate, and a supporting plate fixedly mounted at the output ends of the two hydraulic cylinders. A pump machine and a liquid supply assembly are arranged on the supporting plate, and the liquid supply assembly is used for supplying a repairing reagent. The contaminated soil can be dug out through the soil turning assemblies, so that the deep soil can be in rapid contact with the remediation reagent sprayed by the spray heads on the liquid guide pipes, the permeation speed of the remediation reagent is increased, and the remediation efficiency of the contaminated soil is improved; the multiple soil turning assemblies are linearly arranged, and the multiple liquid guide pipes and the multiple soil turning assemblies are arranged at intervals; the contaminated soil can be turned up for multiple times and is scattered in the turning-up process, so that the remediation efficiency of the contaminated soil can be further improved by spraying the remediation reagent to the contaminated soil for multiple times through the liquid guide pipes.

The utility model relates to the technical field of illumination, and provides a radiator and a barrel spotlight. The radiator is suitable for the tube spotlight, the tube spotlight comprises a lamp body, the lamp body is provided with a light emitting side and a backlight side which are opposite to each other, the radiator comprises radiating fins suitable for being arranged on the backlight side, and the radiating fins are suitable for being arranged in a laterally protruding mode relative to the lamp body. Therefore, the heat dissipation performance of the lamp can be improved.

The application provides a burner for producing acid by using low-concentration acid gas and waste gas and a use method, and the burner comprises a burner shell, a large flue and a small flue are formed in the burner shell; an external mixing type long-lasting lamp is used for providing a continuous light for the small flue; a low-concentration acid gas lance is used for spraying low-concentration acid gas into the small flue; a sulfur-containing waste gas collecting chamber is used for spraying sulfur-containing waste gas into the large flue; a combustion air collecting chamber is used for providing combustion main air to the small flue; a temperature-adjusting air collecting chamber is used for inputting temperature-adjusting air to the large flue; and a flame detector is used for detecting the quality of the flame. According to the application, the temperature-adjusting air is branched from the main air, the temperature of the small flue is increased, the stability of the flame is ensured, the sulfur-containing waste gas is sprayed from the periphery of the main flame, does not impact the main flame and is rapidly contacted with the high-temperature flue gas of the main flame, the oxidation effect is ensured, the sulfur-containing fuel gas and the sulfur-containing methanol liquid can be used for supplementing heat and increasing the temperature of the flame, and the safe and stable operation of the burner is ensured.

The utility model relates to the technical field of zinc hydrometallurgy, and discloses a copper-cadmium slag acid leaching treatment device. A first rotating shaft and a second rotating shaft are arranged to drive a first stirring blade and a second stirring blade to rotate respectively, so that a solution and the copper-cadmium slag in the stirring tank are fully stirred, the sulfuric acid solution and the copper-cadmium slag can be in rapid contact, and the pickling speed is increased. A first bevel gear is meshed with a second bevel gear, so that a rotating motor can drive a first rotating shaft and a second rotating shaft to rotate at the same time, on the other hand, second stirring blades can upwards drive a solution to flow in the overturning process, and then particles blocked in a filter plate can be blown out; the continuous work of the filter plate is ensured. And the bottom of the pickling tank is arranged to be V-shaped, a filter plate is arranged, the filter plate can prevent large-particle-size copper-cadmium slag from entering the discharging pump, damage caused by the large-particle-size copper-cadmium slag to follow-up parts is avoided, and the bottom of the pickling tank is arranged to be V-shaped, so that the phenomenon that the slag is accumulated at the bottom of the pickling tank can be effectively avoided.

The utility model discloses a filtering device for magnesium sulfate production, which relates to the technical field of filtering equipment and comprises a filtering box, a main shaft is inserted into the bottom end in the filtering box in a penetrating manner, the filtering box is rotatably connected with the main shaft, and a plurality of main plates are fixed on the outer wall of the main shaft. A first filter cylinder, a second filter cylinder and a third filter cylinder are inserted into the filter box and located outside the main shaft, and a main plate on the outer wall of the main shaft can stir liquid in the first filter cylinder under the work of the motor; the main shaft penetrates through a second multi-angle groove in the top plate and a first multi-angle groove of the main shaft through a multi-angle inserting rod and then is connected with three sets of lug plates in a limiting mode, and the auxiliary shaft and the auxiliary plate can be used for stirring liquid between the outer wall of the first filter cylinder and the inner wall of the second filter cylinder, liquid between the outer wall of the second filter cylinder and the inner wall of the third filter cylinder and liquid between the outer wall of the third filter cylinder and the inner wall of the filter box; the liquid can be in full and rapid contact with the filter cartridge I, the filter cartridge II and the filter cartridge III, so that the filtering effect is improved, and the filtering time is shortened.

The utility model discloses a humidification assembly and an air purifier, the air purifier comprises an air outlet assembly, an air inlet assembly and a humidifier, the humidification assembly is arranged in the air inlet end of the air purifier and comprises a water storage tank and a water absorption piece; in the axial direction of the water storage tank, the outer diameter of the water storage tank is gradually reduced in the air outlet direction; the water absorption piece is embedded in the water storage tank; an air inlet hole is formed in the surface of the water storage tank, and in the radial direction of the water storage tank, the projection area of the air inlet hole is located on the circumferential side wall of the water absorption part. According to the air purifier, air purification and air humidification can be carried out at the same time, air noise can be reduced, and user experience can be improved.

The present invention discloses an elevator early warning voice soothing system, including a video and voice device, a wireless transmitter, an installation box, a control console and a control seat. The front end of the video and voice device is provided with a display, a button and a speaker. The inside of the video and voice device is provided with a power box. The outside of the video and voice device is provided with an insulating protective pad and a protective frame. The control console is connected to a monitoring control terminal, and the monitoring control terminal is connected to an electrical line. The elevator early warning voice soothing system described in the present invention is provided with a video and voice device, a control console and an equipment protection installation mechanism. It can facilitate the rapid connection between the elevator and the service personnel when the elevator fails. It can use video and voice to soothe the emotions of the elevator passengers and facilitate the service personnel to control it more quickly. It can also facilitate the protection of the equipment. It has the functions of dustproof and anti-external force collision, and is more practical.

The utility model discloses a refrigerator and relates to the technical field of household appliances, the refrigerator comprises a refrigerator body, a rear end anti-toppling piece, at least one refrigerator door and a front end anti-toppling piece, the refrigerator body is provided with a containing cavity with an opening in the front end, and the containing cavity comprises at least one chamber; the rear-end anti-toppling piece comprises a rear-end supporting part at least partially protruding out of the bottom of the box body; the front-end anti-toppling piece comprises a front-end supporting part at least partially protruding out of the bottom of the box door. According to the technical scheme, in the production process, if the refrigerator topples over on a production line and the refrigerator body rotates, the front-end supporting part and the rear-end supporting part can rotate along with the refrigerator body, due to the fact that at least part of the front-end supporting part protrudes out of the bottom of the refrigerator door, and at least part of the rear-end supporting part protrudes out of the bottom of the refrigerator body, when the refrigerator body inclines forwards or backwards, the front-end supporting part and the rear-end supporting part can rotate along with the refrigerator body. And if the refrigerator falls down, the front-end supporting part or the rear-end supporting part can quickly make contact with the production line to support the refrigerator body, and the refrigerator is prevented from continuously falling down.

The utility model relates to an electrochemical detection device, which belongs to the technical field of electrochemical detection, and is characterized in that a detection switching mechanism comprises a base, a damping pad is arranged at the bottom of the base, a shell is arranged in the base, and a first servo motor is vertically arranged in the base; an output shaft of the first servo motor is fixed to the center position of a detection rotating disc in a penetrating mode through a bolt, the detection rotating disc is installed over the base, and an automatic detection mechanism is fixed to the tail of the base; the automatic detection mechanism comprises a supporting beam, a threaded rod is installed in the supporting beam, the top of the threaded rod is connected with the output end of a second servo motor through a coupler, the second servo motor is fixed to the top of the supporting beam, the threaded rod is connected with a threaded sliding block, and a movable cross beam is arranged at the front end of the threaded sliding block. And a detection electrode group is arranged at the bottom of the movable cross beam. According to the utility model, the electrochemical detection of the solution is realized, and the electrochemical detection efficiency and quality are improved.

The present invention discloses a building safety construction passage structure capable of reducing the risk of injuries caused by falling objects, comprising: a falling object resisting mechanism, a side guiding mechanism arranged on the falling object resisting mechanism, a plurality of columns arranged at the bottom of the falling object resisting mechanism and a side protection mechanism arranged on the columns; the falling object resisting mechanism comprises two side support shells, a side support frame connected between the two side support shells, a winding shaft arranged in the side support shells, a wire rope net wound around the winding shaft and an elastic net arranged on both sides of the wire rope net; the two ends of the winding shaft are respectively fixedly connected with a first gear, and each first gear is respectively meshed with a second gear. The building safety construction passage structure capable of reducing the risk of injuries caused by falling objects disclosed by the present invention has the dual effects of ensuring firmness and providing buffering force, and can optimize the load-bearing capacity of the protection structure to the greatest extent, thereby reducing the risk of injuries caused by falling objects.

The present invention discloses a wind farm tower inclination monitoring system and a precise wind direction method, comprising a wind turbine and an annular base, wherein an auxiliary plate is arranged on the wind turbine, and an inclination sensor which can monitor the inclination of the wind turbine in real time is arranged on the auxiliary plate, the wind turbine is located in the annular base, and concrete columns are arranged around the bottom of the annular base, and an anti-deviation mechanism is arranged on the tower of the wind turbine. By arranging the inclination sensor, the inclination angle of the tower deflection when the wind speed is stable can be monitored in real time, so as to accurately identify and calibrate the wind direction, so that the wind turbine can quickly adjust the direction of the fan blades according to the wind direction, so as to achieve precise wind direction, and by arranging the anti-deviation mechanism, the inclined tower can be supported, and with the cooperation of a first electric telescopic rod and a second electric telescopic rod, the length and angle of the supporting square plate can be fine-tuned, so that the inclination of the tower can be corrected.

The utility model relates to the technical field of pressing force testing, and discloses a pressing force adjusting device which is characterized in that a fixing plate is provided with a stepped hole; the screw rod is in threaded connection with the first threaded hole of the stepped hole; the exterior of the sleeve is connected to a second hole of the stepped hole; one end of the pressing column is in pressure abutting contact with the to-be-pressed part, and the other end slides in the sleeve; the elastic piece is arranged in the sleeve and located between the screw rod and the other end of the pressing column. The pressing force adjusting device is suitable for compressing the elastic piece by screwing a screw rod with scales, and then pushing force is applied to the pressing column through the elastic piece, so that the pressing column is used for pressing the part to be pressed. And the scales correspond to the pressing force of the pressing column on the to-be-pressed part. According to the device, the screw rod is screwed, the relation between the scales and the applied pressing force is utilized, the pressing degree of the to-be-pressed part is accurately adjusted, the requirement for the skill level of an operator is remarkably lowered, and ordinary personnel without related skills can accurately adjust the pressing force on the part.