46 results about "Open air environment" patented technology

The utility model provides a GIS isolation switch embedded monitoring device installation structure comprising a monitoring device installation housing, a cable connection cavity connected to the bottom of the monitoring device installation housing, and a circular thread observation seat connected to the side surface of the monitoring device installation housing. The bottom of the mounting shell is communicated with a cable connecting cavity, and a corrugated pipe connecting joint is connected to the lower part of the cable connecting cavity; a lighting monitoring through hole is formed in the middle of the circular threaded observation base, and a threaded connection port completely matched with threads of the GIS equipment observation window is formed in the end, away from the monitoring device installation shell, of the circular threaded observation base. The GIS switch observation window can be matched with the GIS switch observation window, the electronic monitoring device is fixedly installed on the GIS switch observation window, manual checking is not needed, a GIS disconnecting link can be observed and monitored through the electronic monitoring device, the electronic monitoring device can be protected, and normal operation of the electronic monitoring device in the open air environment is guaranteed.

The invention discloses a water level control device suitable for a rice and shrimp field, and belongs to the technical field of rice and shrimp cultivation, the water level control device comprises a first connecting column, a photovoltaic mechanism is mounted on the top surface of the first connecting column, a power supply mechanism is arranged at the top of one side of the first connecting column, the power supply mechanism is electrically connected with the photovoltaic mechanism, and a water level control mechanism is arranged at the bottom of the first connecting column. The water level control mechanism comprises a first connecting box fixedly connected with the first connecting column, a water inlet part and a water outlet part are arranged in the first connecting box, a water level control part is further arranged in the first connecting box and comprises a first connecting pipe communicated with the bottom of the first connecting box, and a water level monitoring piece is arranged in the first connecting pipe. The water level control mechanism adjusts the water level of the rice and shrimp field through the water inlet part / water outlet part in the first connecting box. The water level monitoring piece in the first connecting pipe slides along with water level lifting to trigger the limiting part to act. The integration of photovoltaic power supply and water level automatic control can be realized, manual intervention is reduced, and the outdoor environment requirements of rice and shrimp fields are met.

The utility model relates to a resistor box body, in particular to a heat dissipation window for the resistor box body, which solves the problems that the open-air environment is not considered in the design of the heat dissipation window of the existing resistor box body, and sand and dust are easy to gather in an air duct of the heat dissipation window, so that the through-flow area is reduced, and the heat dissipation is influenced. The projection parts of the second vertical sections of the S-shaped shutter strips located at the top and the projection parts of the first vertical ends of the S-shaped shutter strips located at the bottom in the plane where the first vertical sections or the second vertical sections are located coincide; the two flow guide plates guide the hot air to enable the hot air to flow to the outside, if external sand and dust enter the resistance box, the sand and dust need to move upwards against the gravity, the flow guide plates block the sand and dust, part of the sand and dust can fall on the second flow guide plate, and the included angle between the first flow guide plate and the first vertical section is 100-170 degrees; and the included angle between the second guide plate and the second vertical section is 100-170 degrees, so that a large amount of dust cannot be gathered, and smooth through-flow is ensured.

The present invention discloses a coloring and repairing material for limestone cultural relics and its application, and relates to the technical field of limestone restoration. In view of the nature and color change of limestone, burnt granite, quartz sand, oyster ash, Dunhuang soil, fine tile ash, black gold sand and green pumice powder are used as natural mineral raw materials to obtain a cultural relic coloring and repairing material, which has stable color and is not easy to change color even if it is placed in an open-air environment for a long time after restoration; and the natural mineral raw materials have good bonding strength with the materials for repairing and patching or natural raw stones, so that the connection stability of the cultural relic coloring and repairing material is better and it is not easy to fall off, reducing the risk of damage to the cultural relic due to repeated repairs. In addition, by controlling the proportion of each raw material, a variety of colors similar to the color of limestone can be quickly modulated, which reduces the difficulty of limestone coloring and repair, provides a basis for rapid compounding for limestone coloring, and the color of the repaired area is harmonious and unified with the surrounding raw stones.

The utility model discloses a portable air welding windproof device for an outdoor wharf environment, which relates to the technical field of air welding operation windproof equipment, and adopts the technical scheme that the portable air welding windproof device comprises a frame body consisting of vertical frame upright posts which are vertically arranged and a transverse frame which is transversely arranged, and the transverse frame comprises an upper connecting cross rod and a lower connecting cross rod; a neodymium iron boron magnet block is slidably connected to the lower connecting cross rod, and three-proofing cloth is arranged on the outer wall of the frame body. The beneficial effects of the utility model are that the utility model provides a form of a small and light detachable fixed windproof device in the air, and aims to solve the windproof problem in the welding process of each criss-cross rod piece in the installation process of the photovoltaic platform truss structure. The aim of conveniently welding and preventing wind in the air under the daily wind speed condition of a wharf can be achieved, mounting and dismounting are convenient, and the device is suitable for components of various sizes.

The utility model relates to an adjustable multimedia display support for an outdoor sports venue, and relates to the field of multimedia display supports. The device comprises a ground base, a positioning ring base is installed on the upper end face of the ground base and fixedly connected with the ground base, a rotating support is installed on the upper end face of the positioning ring base and rotationally connected with the positioning ring base, and a motor for driving the rotating support to rotate is further installed in the center of the ground base. A display bracket is arranged above the rotating support in a sleeved mode and connected with the rotating support in a sliding mode. Through driving of the motor and the electric cylinder, the height and the rotation angle of the display equipment can be conveniently adjusted, the watching requirements of different audiences are met, and the watching experience of the audiences is improved. Due to the design of the supporting foot bases of the ground base and the reasonable connecting structure of all the components, the stability of the whole support in the open air environment is guaranteed, and the support can bear certain external force and does not topple over.

The utility model discloses a waterproof lamp belongs to the field of lighting appliance, including the lamp cup, install the rotary ring on the lamp cup, install the adjusting switch in the lamp cup, the inboard of rotary ring is equipped with the adjusting portion with the position adaptation of adjusting switch, still be equipped with the movable opening at the adjusting switch on the lamp cup, be equipped with the waterproof tank between rotary ring and the lamp, install the sealing washer in the waterproof tank, through setting up the waterproof tank and sealing washer between rotary ring and the lamp, the rainwater is blocked to enter the lamp cup inside, avoids the lamp damage, has solved the problem that the lamp with the knob under the open -air environment of prior art is easy to damage due to the lack of waterproof structure, the water.

The invention belongs to the technical field of building materials, and provides gel material mixing equipment which comprises a belt conveyor, a material tank, an electric control cabinet and a mixer, the conveying assembly is arranged, the time of the materials from opening to closing of a movable plate and a valve is recorded through a computer timing system by means of two closing pieces matched with paste and powder materials, starting and stopping of a first motor are combined, the average flow speed of the materials in a conveying pipe is determined, and the flow speed of the materials is calculated according to the set time and the flow speed of the materials. According to the channel timing method, the quantity of conveyed materials is calculated, a complex weighing sensor or a metering sensor is not needed, the problems of installation complexity and environmental interference caused by long-distance wiring are solved, the channel timing method is high in adaptability to the types of the materials and environmental conditions, stable work, computer timing and automatic control can be achieved even in the open air environment, and the working efficiency is improved. Automatic batching and metering are achieved, manual intervention is reduced, and the production efficiency is improved.

The utility model discloses a force-bearing piece for anchoring a flexible suspension cable, which comprises a single-hole anchor ring, a clamping piece is detachably arranged in the single-hole anchor ring, a disc-shaped pressing piece is arranged on the end face of the clamping piece, an anti-loosening pressing cap is sleeved on the outer peripheral surface of the single-hole anchor ring in a threaded manner, the disc-shaped pressing piece is positioned in the anti-loosening pressing cap, and the disc-shaped pressing piece is arranged on the outer peripheral surface of the single-hole anchor ring. A flexible suspension cable which sequentially penetrates through the clamping piece and the disc-shaped pressing piece and extends into the anti-loosening pressing cap is arranged in the single-hole anchor ring. The flexible anchor cable anchoring clamping piece is simple in structure, a reverse disc-shaped pressing piece stacking structure and an anti-loosening pressing cap dual-pressing structure are adopted, pressing connection of the anchoring clamping piece and the detachable anti-loosening pressing cap is achieved, axial displacement limitation of the flexible anchor cable anchoring clamping piece is completed, and the hidden danger that an anchoring system is loosened due to dynamic loads such as wind loads in the open air environment is avoided.

The invention discloses an artificial freezing stress method for improving cold resistance of apple trees and promoting growth and development and application of the artificial freezing stress method, and belongs to the technical field of fruit tree cultivation. The method comprises the following steps: before the germination stage of the apple trees, when the natural low temperature reaches 0-1 DEG C, manually spraying water to the apple trees in an open-air environment, so that the surfaces of the fruit tree plants are frozen, and continuous artificial freezing stress is formed; wherein the temperature range of the artificial freezing stress is-2 DEG C to-8 DEG C, and the duration time is 5-12 hours. The method preferably lasts for 8 to 12 hours, more preferably about 8 hours, and is suitable for red Fuji apple trees. During use, water spraying treatment is performed according to the parameters, and the water spraying amount is based on the condition that tree crowns are uniformly covered and ice layers are formed. According to the method, the late spring coldness resistance of the apple trees can be effectively improved, the leaf area is promoted to be increased to 2000 mm < 2 > or above, the photosynthetic rate is increased to 8.5 [mu] mol / m < 2 >. S or above, meanwhile, the proline content of the fruits is increased to 1200 [mu] g / g or above, the soluble sugar content is increased to 16.0% or above, and CBF and COR cold-resistant gene expression is activated.

The present invention provides a system and method for parallel measurement of a device under test in an open air environment. The system (10) includes a plurality of alignment structures (1, 2), each alignment structure (1, 2) including a shaped reflector (5, 6) disposed at the top end of the alignment structure (1, 2) and an antenna (7, 8) disposed at the focal region of the shaped reflector (5, 6). In this case, the devices under test (3, 4) are disposed at the bottom ends of the plurality of alignment structures (1, 2) and are opposite to the corresponding shaped reflectors (5, 6). Additionally, the plurality of alignment structures (1, 2) are placed parallel to each other without a shielding housing.

The invention relates to a rail clamping device, and discloses a gantry crane windproof rail clamping device which comprises a rail clamping device body (3), the rail clamping device body (3) comprises two oppositely arranged clamps (301), a reset spring (302) and a hydraulic cylinder (303), the reset spring (302) and the hydraulic cylinder (303) are used for driving the clamps (301) to clamp and loosen on a rail, the rail clamping device body (3) is covered with the shell cover (4), and the bottom of the shell cover (4) is connected to a walking seat (1). The outer shell cover (4) comprises a left shell body (401) and a right shell body (402) which are both in a U-shaped plate shape and spliced oppositely, and further comprises a cover body (403) arranged on the left shell body (401) and the right shell body (402), and a pipe hole (404) for a pipeline to penetrate through is formed in the top of the end face, facing the control cabinet (2), of the outer shell cover (4). According to the rail clamping device, the shell cover (4) is arranged outside the rail clamping device, the rail clamping device can be effectively protected in the open-air environment, then stable and flexible work of the rail clamping device is guaranteed, and the construction safety risk caused by the fact that clamping blocks on a clamp (301) cannot completely clamp a rail or completely break away from the rail due to the rail clamping device is effectively reduced.

The utility model relates to the field of charging equipment, and discloses multipurpose charging equipment which comprises a charging rack, a control box is arranged on the upper surface of the charging rack, an electric automobile charging socket is arranged on the front surface of the charging rack, and an electric bicycle charging assembly is arranged on the front surface of the charging rack. The electric bicycle charging assembly comprises an electric bicycle charging socket, the front surface of the electric bicycle charging socket is fixedly connected with a protective frame, the top of the inner wall of the right side of the protective frame is rotatably connected with a rotating shaft, the rear surface of the rotating shaft is provided with a clamping groove, and the inner wall of the protective frame is elastically connected with a clamping block through a compression spring. According to the electric bicycle charging assembly, through cooperation of the electric bicycle charging assembly, when the electric bicycle charging assembly is used and idle, the protection frame and the protection plate can protect the charging interface, rainwater can be effectively prevented from splashing in, potential safety hazards caused by water inflow are eliminated, and the applicability of charging equipment in the open air environment is improved.

The utility model discloses an oil-immersed box-type transformer oil collecting pit system suitable for an open-air environment, which comprises an oil collecting pit body used for receiving oil discharged by an oil-immersed box-type transformer; the drainage pipe penetrates through the bottom of the oil collection pit body and is used for draining water in the oil collection pit body; the pipe orifice cover is detachably mounted at the pipe orifice of the drainage pipe and is used for closing and opening the drainage pipe; and the buoyancy triggering mechanism is arranged in the oil collecting pit body, connected with the pipe opening cover and used for pulling the pipe opening cover open by utilizing buoyancy when the liquid level in the oil collecting pit body reaches a set value. According to the utility model, the function of automatically draining rainwater is realized, and the problem that leaked oil of the transformer cannot be collected is avoided.

The invention provides a multi-element alloy co-permeation agent and application thereof, the multi-element alloy co-permeation agent comprises composite zinc-aluminum alloy powder, Zn powder, composite AIMg alloy powder and a rare earth compound, and the rare earth compound comprises lanthanum hydroxide. By adopting the combination of the composite zinc-aluminum alloy powder, the Zn powder, the composite AIMg alloy powder and the rare earth compound, an efficient anti-corrosion coating can be formed on the surfaces of parts such as railway equipment, bolts and spikes, and the corrosion resistance of the parts is remarkably improved. Especially in an open-air environment, the coating can effectively resist corrosion of wind, sunlight and acidic materials, and the service life of equipment is prolonged.

The utility model discloses a micro-nano bubble water mist jet device which comprises a micro-nano bubble water generating device and a mixing tank, a water inlet of the mixing tank is communicated with a water outlet of the micro-nano bubble water generating device, and a gas inlet of the mixing tank is communicated with a gas outlet of a high-pressure gas storage device. And a nozzle is mounted at an air outlet of the mixing tank. According to the utility model, the wrapping and sedimentation of dust and the removal of toxic and harmful gases can be completed in a relatively short time by fully utilizing the high adsorbability of the micro-nano bubble water with an extremely large specific surface area, ultra-high-speed micro-jet and local ultra-high temperature which are formed by collapsing and instantly releasing the micro-nano bubble water under high-pressure shearing force. The device aims at solving the problems that construction pollution is large and safety is low during engineering blasting, dust raising control in the open-air environment is facilitated, the ventilation time of a chamber is shortened, poisonous and harmful gas is discharged, and the construction efficiency of engineering blasting is greatly improved.

The utility model discloses a skeleton reinforced electric pole capable of preventing a concrete electric pole from being fractured, and relates to the technical field of concrete electric poles, in particular to a skeleton reinforced electric pole capable of preventing the concrete electric pole from being fractured, which comprises a pole body, an inner rib is poured in the pole body, and a lantern ring is sleeved on the surface of the inner rib. A reinforcing frame is welded to the surface of the lantern ring, and inserting holes are formed in the surface of the reinforcing frame. During use, the reinforcing frames are reinforced and supported by rotating the lead screws, the inner ribs are inserted into the lantern rings to play a role in supporting the inner ribs, subsequent rib winding is facilitated, the positions of all the reinforcing frames are not changed after the positioning rods are inserted, and therefore the overall stability of the pole body is reinforced in the field environment; the condition that the pole body is damaged due to uneven stress during use is reduced, and the waterproof cap is matched, so that rainfall and rainwater are prevented from entering the pole body to corrode internal parts of equipment in a field environment to affect the use effect of the equipment, and the service life of the electric pole is prolonged.

The invention belongs to the technical field of mine filling excitant manufacturing, and particularly relates to a solid waste fluorgypsum excitant for mine filling and a preparation method and application of the solid waste fluorgypsum excitant. A solid waste fluorgypsum activator for mine filling is prepared from fluorgypsum, industrial waste residues, mirabilite, a composite early strength agent prepared from coagulation-promoting adsorption particles, triethanolamine and calcium formate and ethylene glycol, and multiple solid wastes are jointly ground and activated to promote a hydration reaction; the environment-friendly dust suppressant is prepared by mixing a degradable wetting agent, polyethylene glycol and sodium lignin sulfonate, and has excellent dust prevention and moisture retention performance in an open-air environment of a mine; acrylic acid, vinyl polyglycol ether and 2-acrylamido-2-methylpropanesulfonic acid are cross-linked and coated with calcium-aluminum hydrotalcite to prepare coagulation-accelerating adsorption particles, the coagulation-accelerating adsorption particles have excellent coagulation-accelerating and impurity-adsorbing performance, active sites are provided, early hydration reaction of cement is promoted, and the coagulation-accelerating adsorption particles are used in mine filling materials and have good application prospects. The strength of the mine filling material can be improved, and the gelling time is saved.

The invention provides a large-scale steel structure beam strain distributed intelligent monitoring system and method, and relates to the technical field of large-scale steel structure monitoring. The system comprises a welding type strain gauge used for detecting the stress state of the bridge erecting machine, a data acquisition unit used for acquiring signals of the welding type strain gauge, and a protection module used for guaranteeing stable operation of equipment in an outdoor environment, the data transmission unit is used for transmitting the collected signals of the welding type strain gauge to the data analysis and diagnosis module through a 5G network; and the data analysis and diagnosis module is used for analyzing and processing the collected signals of the welding type strain gauge so as to monitor the working state of the bridge erecting machine. The welding type strain gauges are installed at key parts of the bridge girder erection machine, stress data are collected and analyzed in real time, comprehensive monitoring of the working state of the bridge girder erection machine is achieved, potential safety hazards are found in time, and the safety and efficiency of railway construction are improved.

The utility model discloses an elastic resistance strain type sensor, and particularly relates to the technical field of sensors, the elastic resistance strain type sensor comprises a sensor body, the sensor body is composed of a position retaining beam, a right base block, a left base block, an elastic sleeve, a wire protecting sleeve, a signal cable, a fixed magnetic steel, an elastic sensitive curved sheet and a resistance type strain sheet; the position retaining beam is arranged at the bottommost part, a right foundation block and a left foundation block are arranged at the tops of the two ends of the position retaining beam respectively, an elastic sleeve is connected between the right foundation block and the left foundation block, and fixed magnetic steel is fixedly mounted on the outer walls of the same sides of the right foundation block and the left foundation block; and one end part of the left foundation block is connected with a wire protecting sleeve along the direction of the elastic sleeve. The elastic resistance strain type sensor designed by the utility model can adapt to the influence of various vibrations of railway open-air environments and train operation, can monitor all strain areas, is not easy to fall off, is firmly fixed, is suitable for actual railway application, and is simple in structural design and easy to assemble.

The present invention relates to an air-stable solid electrolyte and its preparation method and application. The solid electrolyte has a composite structure, which is composed of an outer hydrogarnet electrolyte and an inner garnet electrolyte. The air-stable solid electrolyte of the present invention is stable for a long time in an open air environment. At the same time, the present invention provides a method for realizing ion exchange by hydrothermal treatment to in-situ construct a hydrogarnet electrolyte layer on the surface of a sintered garnet electrolyte block. In addition, the present invention provides a solid-state lithium-ion battery and a solid-state lithium-air battery. The solid-state lithium-air battery assembled based on the air-stable and lithium-metal-stable solid electrolyte provided by the present invention can operate in an open atmosphere environment and has an extremely high specific capacity of the positive electrode.

The utility model provides a raw material mixer for ferromolybdenum production, which belongs to the technical field of ferromolybdenum production and comprises a moving mechanism and a traction frame, moving wheels are fixedly mounted at the bottom of the traction frame, a steering bearing is fixedly mounted on the surface of the traction frame, and a frame is fixedly mounted on the surface of the steering bearing. A bearing assembly is arranged on the side wall of the frame. Through the arrangement of the moving mechanism and the mixing mechanism, the combination of raw material mixing and transportation is realized, the mixer is easy to move and position through the moving wheels and the steering bearings, the uniform mixing of the raw materials is ensured through the matching of the bearing assembly and the stirring assembly, and the blanking process is simplified through the arrangement of the flashboard and the locking piece; the arrangement of the stirring frame and the mixing blades improves the stirring efficiency, and the arrangement of the sunshade ensures the stable operation of the equipment in an open-air environment, so that the automation degree of the mixing operation is improved, the labor intensity of workers is reduced, and the production efficiency and the mixing quality are improved.

The invention relates to a positioning method for engineering machinery, the engineering machinery is provided with a camera, a satellite navigation module and an IMU module, the method comprises the following steps: obtaining image data from the camera, and obtaining visual SLAM coordinate data of the engineering machinery according to the image data; obtaining IMU data from an IMU module, and fusing the visual SLAM coordinate data and the IMU data to obtain first fused positioning data; and obtaining RTK data from the satellite navigation module, and fusing the first fused positioning data with the RTK data to obtain second fused positioning data. According to the method and the device, the image data of the camera, the IMU data and the RTK data are fused, so that accurate positioning of the engineering machinery can be realized no matter in an open-air environment or a non-open-air environment, and unmanned driving of the engineering machinery is facilitated.

The utility model discloses a wild-imitating cultivation device for dendrobium officinale. According to the technical scheme, the dendrobium officinale cultivation device comprises a supporting frame, an outer cover shell is arranged on the supporting frame, a cultivation part and an environment simulation mechanism are fixedly connected to the supporting frame, dendrobium officinale is planted in the cultivation part, the environment simulation mechanism comprises an illumination simulation device, a humidity simulation device and a temperature simulation device, and the environment simulation mechanism is used for simulating the wild environment in the outer cover shell. The device has the advantages that the growth space of the dendrobium officinale is in a relatively independent state relative to the external environment through the outer cover shell, and the environment simulation mechanism controls the illumination, humidity and temperature in the outer cover shell, so that the dendrobium officinale can grow according to a wild state, and the quality closer to that of the field is obtained; the environment in the outer cover shell can be finely adjusted, the influence of extreme climate in the field environment on the quality of the dendrobium officinale can be eliminated, the dendrobium officinale can be planted at the density which is not available in the field, and therefore the quality is further guaranteed, and the yield is further increased.

The application discloses an automatic setting method for setting an outlet temperature of an evaporative cooler, wherein the outlet of the evaporative cooler is connected with an inlet of an electrostatic precipitator through a dust removal pipeline, and the automatic setting method comprises the following steps: S100, acquiring a current ambient temperature of an open environment; S200, calculating a pipeline temperature drop of the dust removal pipeline under the current ambient temperature according to the current ambient temperature; S300, acquiring an internal temperature of the electrostatic precipitator under the highest dust removal efficiency, and setting the internal temperature as an inlet temperature of the electrostatic precipitator; S400, calculating a preset evaporative cooler outlet temperature according to the pipeline temperature drop and the inlet temperature of the electrostatic precipitator; and S500, setting the evaporative cooler outlet temperature as the preset evaporative cooler outlet temperature. The preset evaporative cooler outlet temperature set by the automatic setting method for setting the outlet temperature of the evaporative cooler is automatically corrected with the temperature change, and the accurate control of the inlet temperature of the electrostatic precipitator is realized.

The utility model is applicable to the technical field of automatic batching production lines, and provides an automatic sealing device for unpacking, which comprises an unpacking hopper, a hinge component, a sealing cover plate, an air cylinder and an air cylinder supporting seat, the hinge assembly is installed on the unpacking hopper and used for supporting the sealing cover plate. A connecting rod part is fixed at the tail part of the sealing cover plate; the cylinder supporting seat is fixed on the unpacking hopper; the air cylinder is hinged to the air cylinder supporting base, the tail end of the air cylinder is hinged to the connecting rod portion of the sealing cover plate, and the air cylinder achieves closing or opening of the sealing cover plate in an extending or retracting mode. According to the utility model, the sealing cover plate can be automatically opened and closed, and the efficiency of unpacking operation is improved; the automatic operation of the unpacking station is realized, and the operation complexity is reduced; the automatic sealing and sealing design effectively resists the invasion of natural factors, and the adaptability of the unpacking station in the open air environment is improved; and the opening and closing angle of the sealing cover plate is controlled to be 115 degrees, so that the safety of the equipment in the operation process is ensured.

The utility model discloses a side window type axial flow tuyere which comprises a lower pipe body and an upper pipe body, the upper pipe body is vertically located at the upper end of the lower pipe body, the lower surface of the upper pipe body is connected with the upper surface of the lower pipe body, the upper pipe body is communicated with the interior of the lower pipe body, and the upper surface of the upper pipe body is inclined and is provided with a sealing cover plate; a ventilation pipe perpendicular to the upper pipe body is arranged on the surface of the upper pipe body, the interior of the ventilation pipe is communicated with the upper pipe body, and a cover plate is hinged to an opening of the ventilation pipe. According to the ventilation device, the supporting rod perpendicular to the upper pipe body is arranged on the surface of the upper pipe body, the inserting hole is formed in the front end of the supporting rod, when ventilation is needed, the plug pin slides, the plug pin leaves the inserting hole, the cover plate can be opened, air in a granary can be exhausted through the lower pipe body, the upper pipe body and the two ventilation pipes, and the whole device is reliable in structure, easy and convenient to operate and high in practicability. In the open-air environment of the top face of the granary, the granary is not prone to damage and convenient to overhaul and maintain.

The utility model provides a large -scale steel structure beam strain distribution type intelligent monitoring system, include: distribution type strain sensing module, data acquisition and transmission module, data analysis and diagnosis module, intelligent early warning module and protection and installation module, wherein, distribution type strain sensing module is used for realizing the strain collection of steel structure beam, data acquisition and transmission module is used for transmitting the data of distribution type strain sensing module collection to remote server, data analysis and diagnosis module is used for carrying out analysis and diagnosis to the steel structure beam data of collection, intelligent early warning module is used for sending early warning signal according to analysis diagnosis result, protection and installation module is used for guaranteeing the stable operation of equipment under the open environment. The utility model solves the problem that traditional monitoring system wiring is complex, environmental suitability is poor, diagnosis is lagging behind etc. can be widely used in the safety monitoring of large -scale steel structure beam's construction period and operation period.

The invention discloses a construction method of a sliding support for connecting a pressure pipeline supporting ring and a buttress, which is suitable for an inclined section of the pressure pipeline and comprises the following steps: (1) welding the supporting ring on the pressure pipeline and welding a supporting ring bottom plate; (3) a sliding support is installed on the support pad stone, a lower steel plate of the sliding support is fixedly connected with the support pad stone through the embedded bolts, and an upper steel plate of the sliding support is fixedly welded to the supporting ring bottom plate; the bottom of the supporting ring is welded with the embedded steel plate, and the top is flush with the supporting ring bottom plate. The pipeline is only kept in a moving space in the axis direction of the pipeline, the directionality of sliding of the pipeline is improved, it is guaranteed that the pipeline and a supporting ring of the pipeline cannot be damaged due to friction resistance generated by contact between the pipeline and a buttress due to temperature stress, the water hammer effect, the cavitation erosion effect and the like, and the operation and maintenance cost of the water delivery pressure pipeline in the open-air environment is reduced.