31results about How to "Supporting power is small" patented technology

The invention relates to the technical field of agricultural harvest machinery and discloses a harvesting device capable of realizing layered collection and soil removal. The harvesting device comprises a positive-rotation soil crushing wheel, a reverse-rotation soil crushing wheel, a collecting shovel, a soil collecting plate, a soil discharge helix, a rack, a material collecting helix and a conveying separating part, wherein the positive-rotation soil crushing wheel, the conveying separating part, and the material collecting helix form an upper layer collecting and separation mechanism; the reverse-rotation soil crushing wheel, the collecting shovel, the conveying separating part and the material collecting helix form a lower layer collecting and separation mechanism; according to a layered harvesting method of cyperus beans, soil of a whole soil layer is excavated and collected by two layers, and excavation, collection and soil separation are carried out by the upper layer collecting and separation mechanism and the lower layer collecting and separation mechanism simultaneously, so that an instantaneous separation area of unit soil is increased, the problem of the whole soil layer harvesting method that separation of the cyperus beans and soil is difficult is solved, and cyperus beans layered-collection soil-removal paving sectional type harvesting operation is realized.

The invention discloses a dispersed wind source directional air-blast electrostatic spraying machine. The machine comprises a traveling cart, an adjustable boom frame, a pesticide box, a liquid pump, a power system and multiple air-blast electrostatic nozzle components, wherein the adjustable boom frame, the pesticide box, the liquid pump and the power system are arranged on the traveling cart, the multiple air-blast electrostatic nozzle components are fixed to the adjustable boom frame, and each air-blast electrostatic nozzle component comprises an air feeding component and an electrostatic nozzle component which are connected; the input end of the liquid pump is connected with the pesticide box, the output end of the liquid pump is connected with the electrostatic nozzle components through liquid delivery hoses, and the power system is used for providing power for the liquid pump. By the adoption of the machine, dispersed wind source type air feeding is achieved, air generated by a wind source directly acts on an air outlet, energy consumption of an existing air-blast spraying machine adopting centralized air feeding design in an air feeding pipeline is reduced, the machine body structure of the spraying machine can be effectively simplified, and the machine body weight of the spraying machine can be reduced.

The invention relates to agricultural equipment, in particular to a film residue recycling machine. A traction frame is installed at the front end of a machine frame of the film residue recycling machine. A film residue collecting box is installed at the rear end of the machine frame. Walking wheels are installed on the two sides of the machine frame and fixedly installed at the two ends of a shaft, and the shaft is fixedly installed on the machine frame through bearing pedestals (11). A transmission chain is fixedly installed on one side of the shaft. A conveying device is installed at the portion, between the film residue collecting box and the traction frame, of the machine frame. Three or more triangular film lifting devices are fixed below the portion, at the front end of the conveying device, of the machine frame in parallel, and the upper edges the film lifting devices are respectively arranged between two adjacent strip-shaped conveying belts. Soil spades or film cutters are installed at the portions, on the two sides of the film lifting devices, of the machine frame. The film residue recycling machine can recycle film residues remaining after whole-film mulching or half-film mulching and has the advantages of being simple in structure, small in mating power, low in recycling cost, high in one-time completely-recycling rate and the like.

The present invention relates to an oil pumping machine used in oil field, in particular to an energy-saving beam oil pumping machine, which solves the problem that the prior beam oil pumping machine is difficult to achieve the energy saving due to the restrictions of the work principle and structure, in particular to the limited realization of operating mechanism. The present invention includes a central bracket, a beam, an oil pumping rod and a crank fixed with a balanced block on one end and driven by a motor and a reducer. One end of the beam is provided with a donkey head and the other end is connected with the crank through a connecting rod; an energy storage and utilization device is arranged below the upper beam of the central bracket; the energy storage and utilization device includes a support fixed body arranged on the central bracket, a support rod supported by the support fixed body reciprocating along a fixed direction against the support fixed body, a regulating jacket fixed on the support rod and a spring arranged between the regulating jacket and the fixed body on the support rod. The present invention with simple and reasonable structure and good energy-saving effect is suitable for all balanced beam oil pumping machines.

The invention relates to the technical field of manufacturing of brick block forming equipment, in particular to a continuous brick building block forming system which has the advantages of compact structure, short forming period, uniform distribution, good compaction effect of a product and reliability in operation. The continuous brick building block forming system comprises a stirring device, a spiral elevator (1) and a brick making building block device which are arranged in sequence, wherein the stirring device consists of a stirring machine (2) and a concrete storage hopper (3); the brick making building block device consists of an automatic plate feeder (4), an automatic distributor (5), a building block forming machine (6) and an automatic brick discharger (7); the concrete storage hopper (3) is hermetically arranged below the stirring machine (2); a discharge port of the concrete storage hopper (3) is hermetically connected with a feed end of the spiral elevator (1); the automatic distributor (5) is arranged below a discharge end of the spiral elevator (1); the automatic plate feeder (4) is connected below the automatic distributor (5), and the building block forming machine (6) is arranged on one side of the automatic plate feeder (4); and the automatic brick discharger (7) is arranged on the other side of the building block forming machine (6).

The invention provides a design method of a high anti-cavitation non-overload centrifugal pump impeller. The design method comprises the steps of setting the blade number Z equal to 2 and a blade outlet mounting angle beta 2 equal to 2-10 according to design requirements of a flow Q, a lift H and a rotating speed n of a centrifugal pump corresponding to a design condition; and determining the following main geometric parameters of the impeller by employing a relational expression: a blade inlet mounting angle beta 1, an impeller inlet diameter Dj, an impeller outlet diameter D2, a blade wrapping angle theta, blade outlet width b2 and the like. The centrifugal pump obtained by adopting the design method has a really ideal non-overload characteristic, is high anti-cavitation, and is low in matching power and stable in operation; and the vibration noise is far less than an international standard.

The invention relates to a land-forest lancing film covering machine, which has a rectangular framework which is connected with a bearing shell and a rotary disk-shaped lancing knife disc connected with a gear box and a drive shaft through the axial sequence. The rear portion of the rectangular framework is provided with a film covering movable pole whose rear portion is provided with a Y-shaped horizontal shelf which is for supporting a plastic coil. The lower portion of the film covering movable pole is provided with a direction regulator which can horizontally swing and a film covering guide pole which is perpendicularly arranged downwards. Two sides of the rectangular shelf are respectively hinged with a regulating pole, a guide wheel and an adjustable hydraulic ram. The film covering machine uses power-driven machinery to slot and cover films in land-forest isolating belts, which saves time and labor, has the advantages of low cost and small mating power, and improves the working efficiency by a plurality of times, moreover, earth walls of a ditch seam are smooth and regular, tree roots do not damage plastics during the process of film-covering, and the effective protection of lands and forests can reach decades, using the machinery can save a large number of farmlands, and the machine is excellent in bringing benefits to future generations.

The invention discloses a double vertical shaft deep ploughing machine. The double vertical shaft deep ploughing machine comprises a three-point suspension mechanism, a speed changer, a transfer case,a first vertical shaft type deep ploughing mechanism and a second vertical shaft type deep ploughing mechanism, wherein the speed changer is arranged at the top of the transfer case, and a power output shaft at the bottom is respectively connected with the first vertical shaft type deep ploughing mechanism and the second vertical shaft type deep ploughing mechanism; the first vertical shaft typedeep ploughing mechanism and the second vertical shaft type deep ploughing mechanism are the same in boundary dimension and rotating speed and opposite in rotation direction and are vertically arranged in parallel with walking direction of the machine; the first vertical shaft type deep ploughing mechanism and the second vertical shaft type deep ploughing mechanism respectively comprise a six-edgesquare tube shaft, knife handle seats, a spiral packing auger and rotary cutting knives, each six-edge square tube shaft passes through the center of the corresponding spiral packing auger and is connected in an electric welding manner, multiple knife handle seats are welded on each spiral packing auger, and the rotary cutting knives are arranged on each knife handle seats. A rotary cutting manner is utilized, and segmentation cutting is adopted, so that tillage resistance is greatly alleviated, and the whole machine is light in weight and small in size and is widely applicable to deep ploughing operation on soil of mountains and hills.

A seed arranging system of a full-electrically driven seed arranging potato precision planter comprises a seed arranging chain, a motor and a speed reducer. A plurality of seed taking spoons are evenly arranged on the seed arranging chain, a seed taking spoon position signal carrier is mounted at the same position of each seed taking spoon, a seed taking spoon position sensor is arranged on one side of the position where each seed taking spoon position signal carrier is correspondingly mounted, and the seed taking spoon position sensors are correspondingly provided with seed arranging detecting photoelectric sensor sets. The seed arranging detecting photoelectric sensor sets and the seed taking spoon position sensors are connected with a system controller, the system controller is connected with a driver, and the driver is connected with a motor. According to the full-electrically driven seed arranging potato precision planter, a seed arranging system supported by a three-detection miss-seeding and compensation decision making system formed by the seed taking spoon position signal carriers, the seed arranging detecting photoelectric sensor sets and a core computation processor CPUis provided, the overall structure of the system is fundamentally simplified, no additional standby seed arranging device is needed, power needed by the system is reduced, matched power is reduced, and investment is remarkably reduced.

The invention provides a designing method of a high-cavitation-resistance no-overload centrifugal pump impeller. A number-of-blades Z=3 is set according to a design requirement for flow Q, a lift H and a rotating speed n which correspond with a designed working condition of a centrifugal pump. A blade outlet placement angle is set according to beta2=2-10 DEG. Geometric parameters of the impeller are determined by means of a relational expression, wherein the geometric parameters comprise a blade inlet placement angle beta1, an impeller inlet diameter Dj, an impeller outlet diameter D2, a blade wrap angle theta, a blade outlet width b2, etc. The centrifugal pump which is obtained through the designing method provided by the invention has advantages of no overload characteristic, high cavitation resistance, low matched power, stable operation, and low vibration noise which is far lower than an international standard.