242results about How to "Smooth unloading" patented technology

The invention provides a drilling bucket and a rotary drilling rig and relates to the technical field of engineering machinery. The drilling bucket comprises a connecting part and a cylinder, whereinthe connecting part is connected with a drill pipe; the cylinder comprises a first half cylinder and a second half cylinder in butt joint with each other; the first half cylinder is hinged to the connecting part; the second half cylinder is connected with the connecting part; a first connecting rod is connected with the end part of a second connecting rod; at the same time, the other end of the first connecting rod is connected with the inner wall of the first half cylinder; the other end of the second connecting rod is connected with a power head pressure plate; that is, the second connectingrod, the first connecting rod and the first half cylinder form a lever structure; and when the power head pressure plate generates displacement relative to the drill pipe, the second connecting rod is driven to generate movement relative to the cylinder to further drive the first connecting rod to move, and the first half cylinder is pushed to rotate towards the direction far away from the secondhalf cylinder so as to unload soil.

The invention discloses an automatic uniform discharging control method and device. According to the method, when discharging operation is carried out for buffering bins, material levels of the buffering bins are detected, and actual material values of the buffering bins are obtained, so that the material level state of the buffering bins is determined. When the buffering bins in the low materiallevel state exist, discharging operation is carried out on the buffering bins in the low material level state preferably, and when the buffering bins in the high material level state exist, discharging operation on the buffering bins in the high material level state is prohibited. Compared with the prior art, the discharging sequences of all the buffering bins are adjusted on the basis of the material level state of the buffering bins, the discharging amount of all the buffering bins can be controlled, all the buffering bins can be discharging uniformly, and the buffering bins do not need to be distributed manually again.

The invention provides a railway carriage antifreezing solution and its preparing method, including the following components in weight precent: anhydrous calcium chloride 20-50%, alcohol 8-10%, and water 40-70%, and it can also adds in antirusting agent sodium nitrite in 1-2%. The preparing method: firstly adding water in a stirring jar, then adding in the anhydrous calcium chloride and stirring to fully dissolving them, eliminating foam, then stirring to the temperature at 19 deg.C-21 deg.C, adding in alcohol, adding in the antirusting agen, stirring for 30 minutes and then ending. It can ensure the vehicle skins do not freeze with the hydrous bulk materials in 10 hours in the open air, and thoroughly solves the freezing problem of the iron mine powder-like hydrous bulk materials in the winter, thus need not defreeze them in defreezing rooms to smoothly discharge, saving energy sources, shortening turnover cycle of railway carriages, reducing labor strength and reducing transport cost.

The invention discloses a closed-loop steel sintered red ore cooling device. The device comprises a device body, a heat exchange cavity arranged in the device body, a feeding inlet formed in the upper end of the device body, a uniform distributor arranged at the lower end of the feeding inlet, a discharging outlet formed in the lower end of the body, a uniform temperature device and at least one fire grate. The uniform temperature device is arranged on the device body and communicates with a cold air outlet. The at least one fire grate is movably installed in the heat exchange cavity. Each fire grate and the heat exchange cavity form an obliquely-downward angle, and the fire grates are parallel to each other. A pushing device is arranged at the front end of each fire grate. A hopper is arranged at the tail end of each fire grate. The device replaces a cooling section of an original sintering machine or a ring cooling machine. Compared with an original cooling mode, the device is high in yield, good in quality and low in energy consumption. Compared with the original cooling mode, the yield of a marching type sintering machine can be increased by 30%-40%, zone firing is increased by 5%-10%, and energy consumption only accounts for about 50% of the original cooling mode.

The invention discloses a dry-type mixing device comprising a mixing tank body, the mixing tank body is connected with a feed pipe which is inserted in an inner chamber of the mixing tank body from the lower part of the mixing tank body, the bottom of the feed pipe is provided with a feed port, a feed pipe section located in the mixing tank body is provided with a plurality of discharge holes from top to bottom, a stirring shaft driven by a power device is in the mixing tank body and is rotationally connected with the mixing tank body, the stirring shaft is connected with stirring blades, the upper part of the side wall of the mixing tank body is provided with a large-grain supply pipe, the lower part of the mixing tank body is shaped as an inverted cone, the bottom of the mixing tank body is provided with a discharge tube, a discharge shaft and a discharge motor are symmetrically arranged on a inverted-cone shaped section of the mixing tank body, the discharge shaft is obliquely upwards stretched out and is driven to rotate by the discharge motor, and the discharge shaft is provided with material-uniforming blades. The dry-type mixing device has the advantages of even feed amount, low tendency to lead feed separation, and even material mixing.

The invention discloses a new cross-convective flue gas purification absorption tower. The new fault-convective flue gas purification absorption tower from top to bottom comprises a feeding hopper, a distributing device, an active coke bed layer and a discharging hopper communicated in sequence, wherein a middle flue gas collecting chamber is arranged in the active coke bed layer; the two-layer discharging hopper is arranged at the lower part of the active coke bed layer; the external part of the active coke bed layer is divided into an upper pure flue gas collecting chamber and a lower raw flue gas distributing chamber by a two-layer annular separating plate; an outlet flue is formed in the upper part of the pure flue gas collecting chamber; a raw flue gas inlet flue communicated with the raw flue gas distributing chamber is arranged at the lower part of the raw flue gas distributing chamber; and the active coke bed layer, the middle flue gas collecting chamber, the raw flue gas distributing chamber and the pure flue gas collecting chamber and the cross section of the overall tower body are circular. By adopting the absorption tower disclosed by the invention, the removal efficiency of the pollutant in the flue gas is high; the removal efficiency of SO2 is greater than 96%; the removal efficiencies of SO3, HCl and HF are greater than 98%; the removal efficiency of heavy metal Hg is greater than 90%; and the dust collection efficiency is greater than 80%; and meanwhile, the absorption tower disclosed by the invention also has the advantages of being convenient and uniform in feeding, smooth in blanking, high in utilization rate of the active coke and easy to enlarge.

The invention discloses a waste fan blade pyrolysis recovery system and a working method thereof, and belongs to the technical field of resource recovery. The waste fan blade pyrolysis recovery system comprises a crushing system, a circulating fluidized bed boiler system, a pyrolysis reactor, a material collecting and conveying device, a pyrolysis gas-solid separation system and a cracking oil separation system. According to the invention, composite materials in waste blades can be effectively cracked, cracking oil generated by cracking can be recovering, cracking gas is pumped to a hearth to be effectively incinerated, heat value contained in the cracking gas is effectively utilized, pollutants generated in the combustion process can be discharged in a standard reaching mode by means of an environment-friendly device arranged in an original boiler system, and a pyrolysis reaction in a pyrolysis reactor under an anoxic atmosphere effectively avoids the potential problems of dioxin generation and emission, and the like caused by direct incineration of the waste leaves, so that harmless and resourceful treatment of the waste leaves is completely achieved; and before the comprehensive recycling technology of the blade material is mature and utilized on a large scale, the influence of the waste blade on the environment and the like can be effectively solved, and good environmental protection benefits and economic benefits are generated.

The invention relates to the field of concentration treatment of coal slurry water, in particular to a quantitative dissolution and uniform mixing addition system of a flocculation agent. The system comprises an agent storage system, a quantitative agent conveying and addition system, an efficient agent dispersion system, a PLC (programmable logic controller) intelligent control system, an ore pulp and agent mixing system and a coal slurry water concentration and settling system, wherein the agent storage system and the quantitative agent conveying and addition system ensures addition of the powdered agent according to required dose; the efficient agent dispersion system achieves uniform dispersion and quick dissolution of the powdered agent in an aqueous solution; and the ore pulp and agent mixing system promotes uniform mixing of the aqueous solution in which the flocculation agent is dissolved, and the coal slurry water and has a good flocculation settling initial condition. A coredevice of the coal slurry water concentration and settling system is a three-section discharge harrow-less concentrator; the concentrator adopts a 'one-middle and two-sides' discharge mode; thick particles and fine particles are discharged and recovered through different ports; the fine particles have longer settling time; and a whole concentration task has higher concentration efficiency.

The invention relates to a novel movable silo for dry-mixed mortar. The novel movable silo comprises a movable silo body which is provided with an air-blowing feeding structure, a discharging structure and an air outlet structure. The air-blowing feeding structure comprises a straight feeding pipe; one end of the straight feeding pipe is connected with a steering pipe connection assembly; the other end of the straight feeding pipe is connected with a bend feeding pipe; and the end of the bend feeding pipe is connected with a material guide pipe which is connected with a cage-shaped discharging pipe. The movable silo body comprises a silo cone; the discharging structure comprises a supporting part installed in the silo cone; a conical device is installed on the supporting part and connected with a vibration device which is connected to the side wall of the silo cone; and the conical device is connected with the cage-shaped discharging pipe. The air outlet structure comprises an air outlet pipe which penetrates through the interior of the movable silo body and is connected with a reducing valve. The novel movable silo is simple in structure, convenient to use, durable and convenient to operate, has no vulnerable part and has high practical value.

The invention relates to a vertical automatic loading and unloading system device and method. The vertical automatic loading and unloading system device comprises cargo carrying equipment, a cargo case, a conveying rail and a lift. The lift rises and falls in the vertical direction to move the cargo case so as to complete the process of loading the cargo case to the cargo carrying equipment or unloading the cargo case from the cargo carrying equipment to the conveying rail. According to the vertical automatic loading and unloading method, loading and unloading are conducted through the vertical automatic loading and unloading system device. The vertical automatic loading and unloading system device is high in automation degree; the cargo case and the cargo carrying equipment are locked through a locking mechanism so that cargos can be hung on the cargo carrying equipment safely and precisely, steadiness is achieved, and unloading is easy and convenient; and the vertical automatic loading and unloading system device is suitable for automatic cargo carrying tools such as an unmanned aerial vehicle, an unmanned vehicle and a sorting device and especially suitable for loading and unloading operation of the unmanned aerial vehicle.

The invention discloses steel bridge deck prefabricated paving equipment. The steel bridge deck prefabricated paving equipment can change the traditional steel bridge deck pavement construction procedure and technology. The steel bridge deck subjected to sand blasting and anti-rust coat and tack coat spraying can be paved with asphalt concrete in a factory, and is conveyed to a construction site for bridge deck assembling after forming. After assembling, the SMA asphalt mixture and other surface materials can be directly paved on the steel bridge deck. On-site construction procedures are reduced, construction difficulty is lowered, influence on construction by weather is avoided, and steel bridge paving quality and efficiency are effectively improved. The steel bridge deck prefabricated paving equipment comprises a walking machine frame and a paving mechanism, and is provided with a moving material cabin. The walking machine frame comprises a moving portal frame, a guide rail and the like. The paving mechanism comprises a spiral material arranging machine, an ironing plate and an ironing plate lifting device. The moving material cabin comprises a vertical lifting material cabin anda horizontal paving material cabin.

The invention provides a valve body assembly. The valve body assembly is arranged on a piston body of an oil-pressure damper. A fluid hole is formed in a valve cover. Oil fluid above the piston body sequentially passes through the fluid hole and a drainage hole, so that the functions of unloading and vibration attenuation are achieved; the situation that in the prior art, the form and location tolerance generated between the valve cover and a valve element when an unloading hole is machined in the side wall of a blind hole of the valve element is affected is avoided; matching precision achieved between the valve cover and the valve element is guaranteed; and furthermore, the valve body assembly is stable in quality and precision performance. The invention further provides a piston unit. The piston unit is applied to the oil-pressure damper and provided with the valve body assembly. The piston unit is stable in quality and precision performance. The invention further provides the oil-pressure damper. The oil-pressure damper is provided with the piston unit and is stable in quality and precision performance.

A transportation system for unloading of goods comprises a baseplate. A turnplate is arranged at one side of the baseplate. A housing of an oil cylinder I is fixedly connected to the baseplate. A retractable rod of the oil cylinder I is hinged to the turnplate. A housing of an oil cylinder II is hinged to the turnplate. A retractable rod of the oil cylinder II is hinged to one side of a transporting plate of a frame-type structure, and the turnplate is hinged to the other side of the transporting plate. Multiple rollers are arranged at intervals in the transporting plate of the frame-type structure and are mounted on a shaft I in a tight fit manner, and two ends of the shaft I are fixed in bearings I on the transporting plate. Two sides of the upper surface of the transporting plate are respectively provided with one baffle for preventing boxed goods from sliding down. The rear end of the transporting plate is hinged to a concave connecting plate. The transportation system for unloading of goods is simple in structure, easy to operate, and can be more steady during unloading of goods; reduction of time in unloading of goods and improvement of the unloading efficiency can be achieved.

The invention relates to a goods bearing device and a sorting AGV. The goods bearing device comprises a bearing platform (2) and a movable first antiskid piece (5), the bearing platform (2) is used for placing goods (1), and the goods (1) placed on the bearing platform (2) can be overturned to slide off the bearing platform (2); and the first antiskid piece (5) is used for increasing the frictionforce between the goods (1) and the bearing platform (2) before the bearing platform (2) is overturned, and leaves the antiskid position after the bearing platform (2) is overturned so as to reduce the friction force between the goods (1) and the bearing platform (2). The sorting AGV includes the goods bearing device. According to the goods bearing device and the sorting AGV, by arranging the movable first antiskid piece, the purposes of preventing sliding in the conveying process and ensuring smooth sliding of the goods during unloading can be realized, the safety of the goods in the conveying process can be ensured, and the smooth unloading of the goods can not be influenced.

The invention relates to a vibrating discharging device. The device comprises a rack and is characterized in that a mounting rod is arranged on the rack; a material box is rotationally mounted on the mounting rod; a first mounting plate and a second mounting plate are arranged on two sides of the rack; one end of the first mounting plate and one end of the second mounting plate are mounted on the rack; a rotating wheel mounting shaft is rotationally mounted between the other end of the first mounting plate and the other end of the second mounting plate; a rotating wheel is mounted on the rotating wheel mounting shaft; an eccentric shaft is arranged on the outer end surface of the rotating wheel; a rotating plate is rotationally arranged on the second mounting plate; one end of the rotating plate is rotationally connected with an extending rod of a gas cylinder; a sliding groove is formed in the other end of the rotating plate in the length direction of the rotating plate; the eccentric shaft on the outer end surface of the rotating wheel is arranged in the sliding groove; and a supporting cam is arranged on the rotating wheel mounting shaft and supports the front end of the material box. The device is simple in structure and convenient to operate, and smooth and continuous discharging of viscous materials can be guaranteed.