90results about How to "Keep from blowing away" patented technology

The invention discloses a triangular warning board. The triangular warning board comprises three board bodies which are connected with one another and define a triangle, a reflecting coating is arranged on each board body, connecting blocks are arranged in all positions where the board bodies are connected, rotating structures are arranged between two ends of each board body and the connecting blocks, the rotating structures at the two ends of the same board body are coaxial, the connecting blocks are connected with support bars, and fixing blocks are connected below the support bars. After the triangular warning board in the structure is blown by the wind, the board bodies forming the triangular warning board can rotate, and the stressed area of the triangular warning board is reduced through rotation, so that the wind stress on the triangular warning board is reduced, and the possibility that the triangular warning board is broken by the wind is decreased.

The invention relates to the technical field of concrete preparation, in particular to a concrete preparation system and method. The concrete preparation system comprises a raw material weighing device, a raw material mixing device, a pouring-into-mold device, a curing device, a demolding device and a mold cleaning device. Through reasonable arrangement of the above processes and coordination anddistribution of responsibilities, concrete is prepared, an automatic process of concrete preparation is realized, labor is saved, work efficiency is improved, and use is convenient.

The invention discloses a saline land windproof greening pile comprising a pile body, a windproof device and a controller; the windproof device comprises an underground configuration pit and a windproof screen arranged in the configuration pit; the windproof screen is driven by a lifting part so as to lift in the configuration pit, thus blocking the pile body; the pile body is also provided with an air speed sensor electrically connected with the controller; when the air speed reaches certain value, the air speed is converted into an electric signal, and the signal is sent to the controller; the controller starts the lifting part so as to lift up the windproof screen, and the windproof screen can block the pile body so as to prevent wind from harming the greening pile, thus indirectly ensuring the saline land greening effect; when the air speed drops, the controller controls the lifting part so drop the windproof screen into the configuration pit, so the greening pile can be exposed, thus greening and beautifying the saline land; the saline land windproof greening pile can ensure the green plants on the pile body not to be harmed, thus ensuring the greening effect of the plants.

Provided is a dustpan capable of preventing garbage from slipping out, comprising a dustpan body and a hand-held rod. The upper part of the dustpan body is in the shape of a case. There is a front opening, the front part of the bottom plate inside the dustpan body is horizontally provided with a garbage blocking structure, the rear end of the dustpan body is provided with a rear opening, the rear opening of the dustpan body is covered by a rear cover that rotates up and down, and the inner side of the rear cover The elastic tensioning device is connected with the upper wall of the rear part of the inner cavity of the dustpan body, and the rear cover is connected with the handle through the pulling device. The invention can prevent the dustpan from being tilted when loading garbage, and the original garbage inside the dustpan can be prevented from being blown away by the wind. convenient.

The invention discloses a triangular warning board. The triangular warning board comprises three board bodies which are mutually connected to form a triangle, wherein light reflection layers are arranged on the board bodies; connecting blocks are arranged in the connecting positions of the board bodies; rotational structures are arranged between two ends of each board body and the connecting blocks, and the rotational structures at two ends of the same board body are coaxial; the connecting blocks are connected with a supporting rod, and a fixing block is connected with the lower part of the supporting rod; a plurality of first LED lamps are arranged on the board bodies, and a plurality of second LED lamps are arranged on the side walls of the board bodies; and control switches are arranged on the rotational structures. The triangular warning board can be prevented from being blown away by wind, the possibility that the triangular warning board is blown to be broken is reduced, and a better warning effect can be realized.

The invention relates to a cyclone gas drier which comprises a tank body, wherein a safety valve is arranged at the top end on the upper part of the tank body, an extended gas outlet is formed on the side face on the upper part of the tank body, a space is separated by an upper baffle plate fixed and a lower baffle plate fixed in the middle part of the tank body, a plurality of water balls are placed in the space, and through holes are densely distributed on the surfaces of the upper and lower baffle plates; a bearing is arranged in the middle part on the lower surface of the lower baffle, an inner ring of the bearing is fixedly connected with a lead screw, a fan is connected to the middle part of the lead screw, the bearing at the other end of the lead screw is welded to two pieces of parallel angle iron, the pieces of angle iron are welded on the side wall of the tank body, an inclined gas inlet is formed on the side wall of the fan in a corresponding height, gas enters to blow the fan to rotate from the gas inlet, the bottom of the tank is used for collecting moisture, a drain outlet is formed, a ball valve and a trap valve are sequentially arranged on a transverse pipe of an extending section, and a support is welded under the tank body.

The invention relates to a green brick film-forming moisturizing agent, ink-jet printing ink, decorative glue and preparation methods of the green brick film-forming moisturizing agent and the ink-jetprinting ink. The green brick film-forming moisturizing agent is prepared from the following components in parts by weight: 50-55 parts of polyvinyl acetate, 5-10 parts of ethyl alcohol and 35-45 parts of water. The preparation method of the green brick film-forming moisturizing agent comprises the steps that (1) according to the ratio in parts by weight of the raw material components, the polyvinyl acetate, the ethyl alcohol and the water are matched according to the proportion of (40 to 60):(5 to 10):(30 to 50) and fed into a stirrer to be mixed and stirred, the stirring time is 50 min, therotating speed is 250 r/min, and thus film-forming moisturizing agent raw stock is obtained; and (2) the film-forming moisturizing agent raw stock is sieved by a 100-mesh sieve, the flow rate of theadded water is controlled to be 27-30 s, the specific gravity is 1.05-1.10 g/cm<3>, and finally, a film-forming moisturizing solution is obtained.

The invention relates to the technical field of concrete preparation, in particular to a concrete preparation system. The concrete preparation system comprises a raw material weighing device, a raw material mixing device, a pouring mold-entering device, a curing device, a demoulding device and a mold cleaning device. The concrete preparation system performs concrete preparation through the reasonable arrangement of a plurality of above processes and the division of labor and cooperation, realizes the automatic process of concrete preparation, saves manpower, improves work efficiency and is easy to use.

The invention discloses a rotary drum type chemical fertilizer dryer which comprises a drum body, a spiral baffle, a motor, fans, filter nets, a discharge port, a water outlet and a condenser, wherein the whole drum body is connected with the motor; the spiral baffle is arranged in the drum body; multiple fans are arranged around the drum body; the discharge port is formed at the lower part of the rear end of the drum body; the drum body consists of multiple layers of steel filter nets; multiple layers of filter nets are arranged at the rear end of the drum body; the condenser is arranged at the tail end of the drum body; and the lower end of the condenser is connected with the water outlet. On the whole, the rotary drum type chemical fertilizer dryer disclosed by the invention is simple in structure and simple and convenient to produce and mount; and through the rotation of the drum and the effect of drying air around the drum, the chemical fertilizer can be dried uniformly, the production cost of the chemical fertilizer is reduced, and the quality of the chemical fertilizer is improved.

The invention provides a garbage recycling device. The garbage recycling device comprises a supporting bottom plate, a moving mechanism, a garbage collecting and conveying mechanism, a garbage can cover sealing mechanism, a garbage can cover buckling mechanism, a rainproof cover and a controller. The moving mechanism comprises a first driving motor, a moving sliding plate, a transmission lead screw and a first photoelectric detection switch. The garbage collecting and conveying mechanism comprises a first supporting frame, a first electric push rod, a garbage collecting tank and a second photoelectric detection switch. The garbage can cover sealing mechanism comprises an L-shaped supporting frame, a second electric push rod, a cover sealing plate and a third photoelectric detection switch.The garbage can cover buckling mechanism comprises a horizontal supporting rod and an arc-shaped guide rod. The garbage collecting tank is convenient for people to discard garbage, and therefore, thephenomenon that the garbage is directly thrown on the ground can be greatly avoided; the garbage collected by the garbage collecting tank is directly conveyed into a garbage can; and therefore, the automatic collection of the garbage is achieved. When the garbage collecting tank does not convey the garbage, the sealing cover plate seals the inlet of the garbage can, and therefore, rainwater can be prevented from entering the garbage can in rainy days.

The invention discloses a floating-type seedling cultivation shed and aims to provide the floating-type seedling cultivation shed which is rapid and simple to put up, reusable and convenient to operate. The floating-type seedling cultivation shed comprises a rectangular-frame-typed base and a plurality of supporting rods. The supporting rods are connected to the base in an inserted manner. The base is formed by detachably connecting long edges and short edges. An upper end face of each of the long edge and the short edge is provided with a groove or a protrusion, which is located on the inner side, and a groove or a protrusion, which is located on the outer side, along the length direction of either of the long edges or the short edges. A shed ceiling is formed on a middle line, where the supporting rods are sequentially connected in an inserted manner, of the upper end faces of the long edges. The floating-type seedling cultivation shed further comprises clamping strips, strip-shaped pieces and fixing devices, wherein the clamping strips are matched with the grooves or the protrusions on the long edges and the short edges and used for fixing a water holding film and an insect-proof net, the strip-shaped pieces are used for winding a light-permeable film, and the fixing devices are arranged on the outer sides of the long edges and the short edges for fixing the strip-shaped pieces. The base and the supporting rods can be assembled rapidly without digging the ground, so that the floating-type seedling cultivation shed is labor saving.

The invention discloses a tree protection device in severe weather. The device comprises a machine body and a water isolation cavity in the machine body, a clamping opening communicating with the outside is formed in the upper end of the water isolation cavity; a push plate is arranged in the water isolation cavity; first electric sliding rails are arranged at the upper end of the push plate in abilateral symmetry mode. First sliding blocks are arranged on the first electric sliding rails in a sliding manner; a clamping plate is arranged between the two first sliding blocks; clamping claws are arranged on the clamping plate in a bilateral symmetry manner; the clamping claws and the clamping plate are connected through first hinge shafts. A power cavity located on the lower side of the water isolation cavity is formed in the machine body. According to the invention, branches and trunks of trees can be fixed in windy weather and are prevented from being blown off by strong wind, the device can adjust the magnitude of tension according to the magnitude of wind power, can automatically detect the width of a tree trunk to select different heights to fix the tree, can better protect thetree, and is provided with a fixing device to prevent the tree protection device from being blown away by wind.

The invention relates to a portable deodorizing toilet. The portable deodorizing toilet comprises a cylindrical base, a pan and an enclosure, wherein the pan is disposed below the base, and the enclosure is disposed around the base. The portable deodorizing toilet is characterized in that the base is of a double-layer inflating structure with a cap and an inflating valve, an outward retractable steel needle is arranged in the middle of the inflating valve, two separating layers are arranged on the inner side of the cap of the inflating valve from inside to outside and filled with a sodium bicarbonate solution and an aluminum sulfate solution respectively, and a magnet capable of attracting the retractable steel needle is arranged at the end of the cap; the enclosure consists of breathable cloth and a framework for supporting the breathable cloth, the framework is of an inflating structure in criss-cross communication, and the bottom of the framework is communicated with the base through a one-way air inlet valve; the pan is a recycled paper box, gauze fixed on the inner wall of the base is arranged above the recycled paper box and soaked with soap water, and bubbling holes communicated with the inner portion of the base are formed in the inner side of the gauze. The portable deodorizing toilet can be protected from being damaged by being folded and then wrapped and stored by the breathable cloth when not inflated.

The present invention relates to a direct seeding device for a dry paddy field which accurately and efficiently performs a direct seeding process on the dry paddy field of leveling the soil of the drypaddy field, spreading sheets of mulching paper for direct seeding, covering the sheet of mulching paper with soil to be fixed, cutting the sheet of mulching paper, and fixing the sheet of mulching paper to the ground, the direct seeding device for a dry paddy field comprising: a main frame (100) forming a tractor connection portion (101) and having a gear box (102) for receiving power from a tractor; a rotavator part (200) for cultivating soil using a rotor (202) and scattering the soil rearward; a land leveler (300) for leveling the ground evenly while pressing and compacting with a leveling roller (302); a spreading part (400) for spreading a mulching roll (A) on the ground using a mulching roller (404) by supporting and unwinding both ends of the mulching roll (A) and indicating the height of the ground to be spread; a roll release prevention part (500) for preventing the mulching roll from unwinding arbitrarily; a soil covering part (600) for collecting and transporting the scattered soil from the rotavator part and scattering the soil on top of the sheet of mulching paper spread on the ground; a mulching paper cutting part (700) for cutting the sheet of mulching paper in thewidth direction and lifting the sheet of mulching paper from the ground to be fixed; and a mulching paper laying part (800) for laying the end of the mulching paper on the ground and covering the endof the mulching paper with the soil to be fixed.

The invention discloses an oxygen-free copper casting welding technology and relates to the technical field of oxygen-free copper casting welding technology. According to the oxygen-free copper casting welding technology, anhydrous alcohol and CJ 301 scaling powder coat on a welded junction surface of a copper casting after being mixed and then argon-arc welding is performed; the volume mixing ratio of the anhydrous alcohol and the CJ 301 scaling powder is 1 to 2.5 to 3.5; the ingredient and mass ratio of adopted medium during welding process is 25 to 35 % of nitrogen, 25 to 35 % of argon and 35 to 50 % of helium which are served as protective medium; an optimization of the ingredient mass ratio in the protective medium is 30 % of nitrogen, 30 % of argon and 40 % of helium; the environment temperature is maintained to be more than 20 degrees during welding. The oxygen-free copper casting welding technology can improve the welding quality of the oxygen-free copper casting to a large extent.

The invention discloses a wind-proof dust pan comprising a dust pan body and a handle. The cover of the dust pan is movably connected with the dust pan body, one end of a pull wire is fixed on the cover of the dust pan, and the other end is connected with the handle through a pulley. The invention can prevent garbage from being blown away by wind, and has simple structure and convenient use.

The invention discloses a noise elimination rainshed so as to solve the problem that when rainwater drops onto a rainshed, noise is generated, and night rest of people is affected. The noise elimination rainshed comprises a supporting frame and a shed plate, the supporting frame is fixedly connected with the shed plate, the noise elimination rainshed further comprises a sponge layer covering the shed plate and a fur layer arranged on the sponge layer, the shed plate further comprises a drainage channel, a plurality of connecting holes are formed in the periphery of the shed plate, a plurality of connecting bases are arranged on the periphery of the sponge layer, and the connecting holes are fixedly connected with the connecting bases through nylon ropes. The noise elimination rainshed can effectively reduce noise generated when rainwater drops, and is simple in structure.