144results about How to "Prevent blowing down" patented technology

The invention discloses an anti-toppling outdoor display board and a using method thereof, belongs to the field of display equipment. The anti-toppling outdoor display board comprises a first strut. Asecond supporting column is inserted into the first supporting column. The second supporting column penetrates through the side wall of the upper end of the first supporting column and extends to theoutside. The first supporting column and the second supporting column are each of a hollow structure. The upper end of the second supporting column is fixedly connected with a display board frame. The gravity center of the display board can be lowered, to improve the stability of the display board, prevent the display board from being blown down. The fan blades are rotated by utilizing the blowing force of wind. The fan blades drive the winding drum to wind the pull rope through the driving shaft. The second supporting column retracts into the second supporting column, so that the gravity center of the display board is lowered, and stability is improved. When wind stops, the second supporting column is bounced up through elastic force of the compression spring, the display effect is prevented from being affected. In addition, the first supporting column is assisted and stabilized through the multiple supporting rods, and the stability of the first supporting column is improved.

The invention provides an inductive automatic opening and closing large fixed umbrella which comprises a base, a middle rod, a rainwater collection tray, four ribs and an umbrella cloth. The middle rod is vertically connected at the upper end of the base, the rainwater collection tray is connected at the upper end of the middle rod in a penetrating manner, the four ribs are peripherally hinged tothe side wall of the upper end of the middle rod, the same umbrella cloth covers the upper ends of the four ribs, the lower end of the base is fixedly connected with an opening and closing device which is fixedly inserted into the ground, strip sliding slots are formed in the lower ends of the ribs, sliders are slidably connected into the strip sliding slots, and the lower ends of the sliders arehinged to the upper end of the opening and closing device. The inductive automatic opening and closing large fixed umbrella overcomes the shortcomings of the prior art and is reasonable in design andcompact in structure, the umbrella automatically induces rain and automatically opens in rainy days, manual supporting and opening of staff are omitted, and practicability is greatly improved. Besides, after the rain stops, the umbrella automatically closes, occupied area is decreased, and the service life of the large fixed umbrella is effectively prolonged.

The invention discloses a seedling centralizer. The centralizer comprises a first semi-circular ring, a second semi-circular ring, and bolts. The first semi-circular ring and the second semi-circular ring are the same in structure. Insides of the first semi-circular ring and the second semi-circular ring are provided with layers of antiskid rubber gaskets. Two ends of the first semi-circular ring and the second semi-circular ring are provided with fixing plates which are arranged in parallel. Fixing holes are formed in the fixing plates. Insides of the fixing holes are provided with thread screws. The first semi-circular ring and the second semi-circular ring penetrate through the fixing holes through the bolts such that the semi-circular ring and the second semi-circular ring are connected to form a circular ring. The outsides of the semi-circular ring and the second semi-circular ring are provided with support rods connected through hinges. The seedling centralizer has following beneficial effects: saplings that were just planted can be well fixed; saplings are effectively prevented from being blown down by wind and being broken; and the seedling centralizer has a simple structure and is convenient and practical.

The invention relates to the technical field of foundation pit fences, in particular to a foundation pit safety fence for a bridge engineering construction site. A fence rod is movably embedded and connected in a base, a fence frame is movably connected to the outer surface of the fence rod, a wind direction rod is movably connected in the fence rod, and a wind direction wheel is fixedly connected to the top end of the wind direction rod. Threaded rods are fixedly connected to the bottom end of the wind direction rod and extends into the base, toothed plates are engaged to the two sides of the outer surface of the threaded rods, first connecting rods are movably connected to the outer surfaces of the toothed plates, second connecting rods are movably connected to the bottom ends of the first connecting rods, and pressing rods are movably connected to the bottom ends of the second connecting rods. Reinforcing plates are fixedly connected to the bottom ends of the pressing rods, the first connecting rods and the second connecting rods drive the pressing rods to downwards push the reinforcing plates to be attached to the ground, then the contact area between the base and the ground is increased, the effect of resisting wind blowing is achieved, and the fence is prevented from being blown down by strong wind.

The invention relates to the field of bridge construction, in particular to a warning type guardrail for bridge construction. The technical problem to be solved by the invention is to provide an alarming type guardrail for bridge construction which can be easily moved and anti-dumping, and can be provided with an alarming prompt at night. A warning type guardrail for bridge construction comprisesa first mounting bracket, a second mounting bracket, a mounting plate, a mounting frame, a first bearing seat, etc. One end of the mounting plate is fixedly connected with the first mounting bracket and the other end is fixedly connected with the second mounting bracket; One end of the mounting frame is fixedly connected with the first mounting bracket and the other end is fixedly connected with the second mounting bracket and is positioned below the mounting plate; The first mounting bracket and the second mounting bracket are fixedly connected with the bearing frame; A support plate is fixedly connected with that outer wall of the load-bearing frame. The invention achieves the effect of being convenient to move and anti-dumping, and at the same time can increase the warning prompt at night.

The invention relates to the technical field of fixing frames, in particular to a fixing frame for objects to be sprayed on a spraying platform, which can adjust the direction of the objects to be sprayed and better fix the objects to be sprayed, and can cooperate with drying of the objects to be sprayed and spraying environment purification, with more comprehensive functions and improved reliability; including the lower placement plate, left fixing clip and right fixing clip, as well as the middle board, lower rotating shaft, top board, upper rotating shaft, upper placing board and multiple hooks, the middle The top of the plate is provided with a lower placement groove, and a lower ball bearing is arranged in the lower placement groove, and an upper placement groove is arranged at the bottom of the top plate, and an upper ball bearing is arranged in the upper placement groove; it also includes a purification barrel, an input pipe, an input bucket, and a purification barrel Placed on the top plate, there is a purification chamber inside the purification barrel, and an activated carbon filter plate is arranged horizontally in the purification chamber, which divides the purification chamber into an upper chamber and a lower chamber, and also includes a left lower side plate, a right lower side plate, a bottom plate, Drying box, output pipe and output bucket.

The invention discloses an information publicity structure with strong anti-fall performance, which includes a column on which an even number of billboard mechanisms are arranged, and a plurality of billboard mechanisms are respectively arranged on both sides of the column and are symmetrical about the central axis of the column, each The billboard mechanism includes a fixed rod, a roller and a rectangular advertising cloth. The opposite ends of the rectangular advertising cloth are respectively connected with the fixed rod and the roller. There are a number of traction mechanisms such as the controller on the column, the wind sensor, and the billboard mechanism. The traction mechanisms are respectively connected to the two pulleys through traction ropes; Inverting mechanism, the three anti-falling mechanisms are symmetrical about the central axis of the column. The invention can automatically sense wind force, has high structural stability and strong wind resistance, can simultaneously display a plurality of advertisement information, and does not need manual maintenance.

The invention provides an anti-strong wind advertising stand, which includes a base, a driving mechanism, a frame body, a wind direction detection device, a wind force detection device and a main control board; the driving mechanism is arranged in the base, and the frame body is arranged in the The base is connected with the driving mechanism, the wind direction detection device and the wind force detection device are both arranged on the frame, the main control board is arranged in the base, the main control The board is communicatively connected with the driving mechanism, the wind direction detection device and the wind force detection device respectively.

The invention discloses an automobile charging pile capable of preventing from being blown down by wind. The automobile charging pile comprises a mounting base; the top part of the mounting base is fixedly provided with a fixed column; a holding slot is formed in the top part of the fixed column; an automobile charging pile body is arranged in the holding slot; the top end of the automobile charging pile body extends to a position above the mounting base; a first groove is formed in the inner wall of each of the two sides of the holding slot; a first sliding rod is glidingly arranged in each first groove; a first clamping slot is formed in each of the two sides of the automobile charging pile body; and mutually adjacent ends of the two first sliding rods are correspondingly installed in the first clamping slots in manner of clamping. The automobile charging pile disclosed by the invention is simple in structure and convenient to operate; the automobile charging pile body can be rapidlyand conveniently adjusted in height, and thus, the automobile charging pile body can favorably stretch out and draw back in face of big wind, so that the stress surface of the automobile charging pile body is reduced, the automobile charging pile body is prevented from being blown down by wind, losses of people are reduced, and needs of people are satisfied.

The invention belongs to the field of power generation devices, and particularly relates to a portable wind-solar hybrid power generation device. Aiming at the problems of insufficient portability andinconvenient assembly and disassembly of the wind-solar hybrid power generation device in the prior art, the invention discloses a portable wind-solar hybrid power generation device. The wind-solar hybrid power generation device comprises a wind power generation device and an optical energy power generation device, the optical energy power generation device comprises a plurality of photovoltaic panels (1) which are respectively connected with connection plates (3), the connection plates (3) are located on a plurality of planes which are mutually parallel and hinged with a gear shaft seat (4),the gear shaft seat (4) is connected with a connection rod, the connection rod is hinged and connected with a rotation base (2), the lower portion of the rotation base (2) is provided with a wiring post (5), and the lower portion of the optical energy power generation device is connected with the wind power generation device. The portable wind-solar hybrid power generation device is suitable forpower supply for electric equipment during field camping.

The invention provides a mine greening survival rate improving nutrient soil mixing device, which comprises a roller, a hopper and a support, the other side of the roller is provided with a clamping cover, the outer side of the roller is welded with a sliding sleeve, the support is provided with a motor I through a bolt, one side of the motor I is provided with a gear I, a second gear is welded to the outer edge side of the roller, a second motor is installed on the inner side of the clamping cover through bolts, and a main shaft is installed on one side of the second motor. According to the mine greening survival rate improving nutrient soil mixing device, roots of plants can be fixed to prevent the plants from being blown down by wind when the plants are planted, after watering, more gaps can be reserved in nutrient soil, the breathability of the nutrient soil is improved, oxygen supply to the roots of the plants is guaranteed, the compacted nutrient soil can be scattered through the rake teeth, and the yield of the plants is improved. the cutting efficiency of the nutrient soil is improved, the nutrient soil is prevented from being adhered in the sleeve, the mixing operation of the nutrient soil is guaranteed, energy consumption and equipment investment are reduced, and the device is suitable for uniform mixing use of the nutrient soil.

The invention discloses a high-yield cultivation method for macadamia nuts. On the ground, the size of the fixing ring is greater than the size of the sleeve, and the planting seedlings pass through the fixing ring; at least two connecting rods are arranged at intervals between the sleeve and the fixing ring, and the two ends of the connecting rod are connected to the sleeve and the fixing ring respectively. connect. The invention can improve the survival rate of planted seedlings, and can play a good supporting role on the saplings through the anti-falling device, thereby increasing the output of macadamia nuts.

The invention relates to mobile traffic lights with high displaying range and a stable structure. The traffic lights comprise a base, a support column, a top plate and four displaying mechanisms. Reinforcement mechanisms are arranged around the support column. Each displaying mechanism comprises a telescoping assembly, a first signal plate and two displaying assemblies. Each display assembly comprises a second signal plate, a direction adjusting unit and a hinging unit. Each reinforcement mechanism comprises a reinforcement plate, a sliding plate, a fixing assembly, a hanging line, a heavy object box, two connection assemblies and two sliding rails. Each fixing assembly comprises a fixing plate, a rotation rod, a screw and a thread opening. According to the invention, the second signal plates rotate to be parallel to the first signal plates through the displaying mechanisms, so the displaying range is extended; it is convenient for a driver to observe the traffic signals and safe operation of road transportation is achieved; through the reinforcement mechanisms, the center of gravity of the device is reduced; contact point of the device and the ground is increased; the device is prevented from being blown down; and the device is quite stable and safe.

The present invention disclosed the user sharing electronic information promotion card, including the column, and there are two horizontal brackets on the side of the column. There are also sliding rails on each horizontal bracket. The two slides are parallel to each other.There is an advertising propaganda agency, which includes a fixed rod, rolling axis and rectangular advertising cloth. The relative ends of the rectangular advertising cloth are connected to the fixed rod and roller.The two ends of the fixed rod are connected to the two horizontal brackets. The two ends of the rolling axis are stuck on the sliding rail through the pulley, and also include the connected traction control mechanism and wind sensor.By connecting with the two pulleys, the wind sensor is set between the fixed rod and the column; the present invention realizes the purpose of automatic sensing wind and strong structural stability, and no manual maintenance advertising card.

The invention discloses a high-yield planting method for macadamia nuts. The high-yield planting method comprises the steps: downwards digging planting pits within 8-10d before planting, separately stacking undersoil and topsoil, and exposing the undersoil and the topsoil under the blazing sun for 2-3d to prepare first mixed soil and second mixed soil; during planting, sequentially paving a polyvinyl alcohol film, 1-2cm fine sand, 2-3cm vermiculite and 20-30g of water retaining agent into the planting pits, then, paving 1/3 part by weight of first mixed soil, and implanting planting seedlings into 1/3 part by weight of first mixed soil, and enabling the top of the polyvinyl alcohol film to be higher than the top of the first mixed soil and higher than the water-retaining agent; and next, paving 1-3cm vermiculite and 2/3 part by weight of first mixed soil and second mixed soil, and then, carrying out compaction to form a mound higher than the ground. By using the high-yield planting method, the survival rate of the planting seedlings can be increased, a good role in supporting young trees can be played by a tilting preventing device, and furthermore, the yield of the macadamia nuts is increased.

The invention relates to the technical field of traffic signal lamps, in particular to a movable temporary traffic signal lamp which comprises a signal lamp body and a plurality of universal wheels symmetrically arranged on the signal lamp body, and further comprises a wheel locking mechanism arranged between the universal wheels and the signal lamp body and used for locking rollers; a monitoring mechanism used for monitoring the wind speed of the surrounding environment of the signal lamp body in real time and feeding back; and a gravity center conversion mechanism electrically connected with the monitoring mechanism and used for changing the gravity center position of the signal lamp body according to the feedback of the monitoring mechanism. By arranging the monitoring mechanism, natural wind is monitored in real time, the wind speed is measured and fed back to the gravity conversion mechanism, then the gravity center position of the whole device is changed, the situation that the whole device is blown down by environmental natural wind is avoided, the stability of the whole device is further improved, and the safety coefficient is high.

The invention discloses an environment-friendly and sound-insulating wall for a road, and belongs to the technical field of sound-insulating devices. The environment-friendly and sound-insulating wall is characterized in that two sound-insulating boards with a seam in between are arranged at the lower portions of frames, two glass boards with a seam in between are arranged at the upper portions of the frames, the sound-insulating boards and the glass boards are separated through partition plates in between, the two adjacent frames with the glass boards and the sound-insulating boards are connected through a connecting plate in between and fixed through a fixing buckle on the top of the connecting plate, and clamping grooves are formed in the bottoms of the frames. The environment-friendly and sound-insulating wall is reasonable in design and convenient to install, detach and transport, can absorb sound while insulating sound, can effectively reduce the sound pollution, and is quite environmentally friendly.

The invention discloses a radix panacis quinquefolii planting greenhouse which comprises a greenhouse and a second sunshade net. The periphery of the greenhouse with an arched top is perpendicular to the ground, a first sunshade net is erected on support rods to form the greenhouse and is supported by the multiple rows of support rods which are uniformly distributed, the lower ends of the support rods are buried in the ground so that the support rods can be fixed onto the ground, the second sunshade net is horizontally arranged in the first sunshade net, holes are formed in the second sunshade net, the support rods can penetrate the holes, the second sunshade net is fixed onto the support rods by ropes in a fastened manner, two sides of the second sunshade net are arranged below the tops of two sides of the first sunshade net, and a plurality of windows are arranged between the tops of the two sides of the first sunshade net and the second sunshade net. The radix panacis quinquefolii planting greenhouse has the advantages that the ventilation performance of the radix panacis quinquefolii planting greenhouse can be improved, circulation of air in the radix panacis quinquefolii planting greenhouse can be regulated and controlled, the internal temperatures of the radix panacis quinquefolii planting greenhouse can be lowered, and the controllability can be enhanced.

The invention discloses a transformer substation fence windbreak reinforcement device, which comprises a polypropylene bag, wherein a polyvinyl chloride (PVC) coating is arranged on the inner surface of the polypropylene bag, a water filling opening with a cover is arranged on the polypropylene bag, a rectangular sleeved hole which is sleeved on the bottom portion of a fence is arranged in the center of the polypropylene bag, the length of the rectangular sleeved hole is 0.35m, the width of the rectangular sleeved hole is 0.1m, the length of the polypropylene bag is 0.7m, and the width of the polypropylene bag is 0.5m. The transformer substation fence windbreak reinforcement device is reasonable in structure, and can effectively prevent a transformer substation fence from being blown down by wind, and is excellent in work performance.

A multi-span greenhouse capable of resisting wind, ice and snow comprises a basic frame, ceilings, corridors and wind-resisting heat insulation films. Each ceiling comprises two lateral ceilings. Eachlateral ceiling comprises at least one arc-shaped arching frame. The arching frames are arranged on the basic frame and arrayed longitudinally. At least one arc-shaped wind guide support is arrangedat the end of the multi-span greenhouse. The corridors are arranged between the adjacent ceilings, and are fixed to the basic frame. The width of each corridor is larger than or equal to 1.5m. The wind-resisting heat insulation films cover the ceilings and the arc-shaped wind guide supports. The multi-span greenhouse has the advantages that the lateral ceilings are provided with the arc-shaped arching frames, the arc-shaped wind guide supports are arranged at the end of the multi-span greenhouse, the wind-resisting heat insulation films are convenient to lay with radian, snow and rainwater slide down to the ground along the radian of the wind-resisting heat insulation films, accumulation of the snow and the rainwater on the wind-resisting heat insulation films of the greenhouse is reduced,and collapse of the greenhouse is avoided; heating resistance wires on the ceilings are electrified according to conditions, so that ice and snow on the greenhouse is cleaned timely and quickly, andsituations such as icing and snow accumulation of the greenhouse are avoided.