8results about How to "Reduce ejection speed" patented technology

The invention belongs to the technical field of water conservancy construction, and discloses a movable grouting device for water conservancy and hydropower construction, which comprises a cart, a mortar containing barrel and a mortar pump are fixedly mounted on the top surface of the cart, symmetrical brackets are further fixedly connected to the top surface of the cart, and grouting mechanisms are clamped on the brackets. According to the device, after a mortar pump is started to convey mortar into a grouting mechanism, the mortar enters an inner cylinder by rotating a switch handle, a rotating blade in the inner cylinder is pushed by the mortar to rotate, the rotating blade drives a rotating shaft to rotate, and therefore a driving block is driven to rotate, and an inclined sliding face makes contact with an inclined face of a first inclined block; the first inclined block is arranged on the inner cylinder, so that the outer cylinder fixed to the first inclined block is pushed to slide, mortar spraying ports are switched, mortar separation caused by high mortar flowing speed in the grouting process is avoided, and meanwhile, a stirring column on a rotating shaft rotates together to stir mortar in the inner cylinder; and the situation that aggregate in mortar is separated from water, layering is caused after grouting, and the grouting result is affected is prevented.

The application discloses a fire spraying gun nozzle, which comprises a connecting end and a nozzle end connected with each other, the connecting end is provided with an air inlet channel, the nozzle end is internally provided with an air inlet cavity, an air outlet hole, an air outlet cavity, a gas storage cavity, a first connecting channel and a second connecting channel, one end of the air inlet cavity is communicated with the air inlet channel, the other end of the air inlet cavity is communicated with one end of the air outlet hole, the other end of the air outlet hole is communicated with the air outlet cavity, the gas storage cavity is communicated with the air inlet cavity through the first connecting channel, and the gas storage cavity is communicated with the air outlet cavity through the second connecting channel. When the fire spraying gun nozzle is used for spraying fire, combustible mixed gas is sprayed out after entering the nozzle end from the connecting end, and at the same time, the combustible mixed gas enters the gas storage cavity through the first connecting channel and is radially output to the air outlet cavity through the second connecting channel. The gas pressure radially output can slow down the speed of the mixed gas sprayed out from the air outlet hole, avoids the flame from being too far away from the nozzle end to be extinguished, and plays a role in stabilizing the flame.

The utility model discloses a water-permeable concrete brick, which belongs to the technical field of concrete bricks and comprises a brick body, a plurality of bumps are uniformly arranged on the upper surface of the brick body, a guide groove is formed between two adjacent bumps, a plurality of water outlets are uniformly arranged in the guide grooves respectively and are vertically arranged, and a buffer part is arranged at the bottom of the brick body. A buffering cavity is formed in the buffering part, the drainage port penetrates through the brick body and the upper surface of the buffering part, the bottom of the drainage port communicates with the buffering cavity, a plurality of water outlets are evenly formed in the bottom of the buffering cavity, the water outlets and the drainage port are arranged in a staggered mode, and a plurality of supporting frames for supporting the interior of the buffering cavity are evenly arranged in the buffering cavity. Water on the surfaces of the bricks can be rapidly drained, and meanwhile accumulated water spraying caused by shaking of the bricks can be avoided.

The invention discloses an indoor cultivation device for wheat seedlings, and relates to the technical field of wheat cultivation, the indoor cultivation device comprises a hydroponic frame, a first cultivation frame is placed in the hydroponic frame, the first cultivation frame is slidably connected with at least two second cultivation frames, and one side, close to the first cultivation frame, of the hydroponic frame is fixedly communicated with a first spray head. By arranging the water pump, circular flowing of water is achieved, the spraying speed of water flow on the right side is reduced through the multiple dispersing fins which are distributed in a disordered mode and arranged in the first spray head, and therefore on one hand, dissolved oxygen in water is effectively increased and a nutrient solution is evenly distributed through high-speed water flow on the left side, the water quality is improved, and the water changing frequency is reduced; on the other hand, wheat roots are protected through slow-speed water flow on the right side and prevented from being damaged, and growth of wheat seedlings is not affected.

The invention belongs to the technical field of intelligent warehousing, and provides an intelligent three-dimensional container and a temperature and humidity auxiliary control system and method.The intelligent three-dimensional container comprises a water inlet pipe, a driving pump connected with the water inlet pipe, a water supply pipe connected with the driving pump and a controller; when the temperature of the storage location area is higher than the maximum value of the preset temperature range, the driving pump and the control valve are controlled to spray water mist to the corresponding area, the water mist is stopped when the humidity reaches the maximum value of the preset humidity range, auxiliary cooling is carried out on the area in a water mist spraying mode, and on the basis that it is guaranteed that the humidity does not exceed the standard, the cooling efficiency is improved. The cooling speed is increased, and the requirement for the operation load of the air conditioner is lowered; and when it is detected that the humidity of the storage location area is lower than the minimum value of the preset humidity range, the driving pump and the control valve are controlled to spray water mist to the corresponding area, the purpose of avoiding the phenomena of static accumulation and the like caused by too low humidity in the three-dimensional storage is achieved, and the performance and the service life of an insulating material in power equipment are guaranteed.

The invention discloses an ejection structure for a mobile phone support product, and relates to the technical field of mobile phone support product ejection, the ejection structure comprises a mold base and a first assembly mounted on the mold base, the cross section of the mold base is U-shaped, and the first assembly comprises an ejection transmission assembly, a mold forming assembly and a guide positioning assembly; the ejection transmission assembly comprises an ejector pin bottom plate and an ejector pin panel, the ejector pin bottom plate is in transmission connection with the ejector pin panel through a guide column, and the ejector pin panel is provided with a positioning hole used for installing the ejection execution assembly; through cooperative operation of a sliding rod, a spiral groove, a limiting body and the like in the fourth assembly, linear ejection force restored by a spring is converted into stable rotary lifting motion, the ejection speed of the inclined ejection block is further reduced through the design of a large spiral lead, the lifting stability is improved, uniform power transmission is achieved in cooperation with composite ejection motion of the inclined ejection block in the 45-degree direction, and the service life of the inclined ejection block is prolonged. And the problem of unbalanced ejection of the small bracket is thoroughly solved, and the product deformation rate is reduced to an extremely low level.

The invention discloses an energy-saving kiln, comprising a kiln wall, wherein burner brackets are arranged at equal intervals in the kiln wall, burners for spraying fire into the furnace body are installed on the burner brackets, a polycrystalline cotton layer is arranged at one end of the burner bracket facing the inside of the kiln, and a zirconium-containing asbestos layer and a common asbestos layer are arranged in sequence at one end of the burner bracket away from the inside of the kiln, a kiln roof is erected on the upper end of the kiln wall, and a polycrystalline cotton layer, a ceiling frame, a zirconium-containing asbestos layer and a common asbestos layer are arranged in sequence from bottom to top on the kiln roof, a kiln car moving along the length direction of the furnace body is arranged in the kiln, and a common asbestos layer, a zirconium-containing asbestos layer and a polycrystalline cotton layer are installed in sequence on the upper surface of the kiln car, and the invention solves the technical difficulties encountered in the installation of a full asbestos kiln body by installing the burner bracket in the asbestos wall and adopting an air curtain sealing technology on the contact surface between the kiln car and the wall of the firing zone below, thereby greatly improving the energy-saving level of the kiln.

The utility model discloses a truss beam formula hanging basket suspending pouring structure relates to the technical field of suspending pouring construction, including the pouring bridge and hoisting base, the top fixed connection of pouring bridge has the symmetrical laying track, and the top of two laying tracks all is provided with the sliding frame, and the top of two sliding frames all is fixedly connected with the main frame beam, and the front end fixed connection of two main frame beams has the front hanger, and the rear hanger is all provided with on two sliding frames. The utility model discloses a truss beam formula hanging basket suspending pouring structure can avoid the phenomenon of segregation that the impact force is too big when the concrete is discharged because of too high height when pouring, can change the ejection direction of concrete when pouring through the arc elbow, and the arc elbow can reduce the ejection speed of concrete, avoids the phenomenon of concrete segregation that concrete directly impacts the formwork or the steel reinforcement framework, is favorable for promoting the compactness of concrete.