19results about How to "Work resistance is small" patented technology

The invention discloses a rotary desert automatic planting tracked robot and a working process thereof. The robot comprises a frame, and a cavity is formed in the center of the frame; the driving mechanism is fixedly connected to the lower part of the frame; the trepanning mechanism is fixed to the edge of the vehicle frame, and a drill bit is located outside the vehicle frame and can move downwards till making contact with the ground; the front support is located at the position, close to the punching mechanism, above the frame; the central bracket is positioned above the central hole of the frame; the seedling feeding mechanism is fixed above the front bracket; the seedling planting mechanism is composed of a ball screw and a funnel type seedling planter. The ball screw is fixed to the upper portion of the central support, the lower portion of the ball screw is connected with the sliding block, and the funnel-shaped seedling planter is located under the ball screw. The two earth ramming mechanisms are symmetrically fixed to the positions, on the two sides of the central support, of the lower portion of the frame, and earth ramming pieces point to the seedling planting mechanism; and the irrigation and fertilization mechanism is fixed on the frame and is opposite to the cavity in the center of the frame of the front bracket. The robot can achieve the technical effects of being high in land adaptability, planting in different geologies, flexibly adapting to seedling stems of different lengths and diameters, and liberating manpower through automation in the whole seedling planting process.

The invention discloses fertilizer uniform throwing equipment for wheat planting and a use method, the fertilizer uniform throwing equipment comprises a frame body, the bottom of the frame body is fixedly connected with moving wheels, the inner side of the frame body is fixedly connected with a material mixing box, the outer side of the material mixing box is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a stirring shaft, and the stirring shaft is fixedly connected with a stirring shaft. A stirring paddle is fixedly connected to the outer side of the stirring shaft. According to the equipment, a dredging component is arranged, an air blower is started, the air blower generates high-pressure air flow, the air flow is conveyed into an air collecting shell through an air distribution pipe, then the air flow can be blown into a discharging pipe through an air spraying pipe, and when the air flow is sprayed out of the air spraying pipe, the air flow can be directly blown to the surface of an arc-shaped spiral plate in the dredging component; furthermore, the arc-shaped spiral plate drives the rotating shaft to rotate along the inner side of the fixed frame, and the fertilizer passing through the connecting pipe can be dredged when the arc-shaped spiral plate rotates, so that the blockage of the fertilizer is prevented.

The application discloses a cotton stalk pulling-residual film pulling-dirt removing and strip collecting combined operation device, which comprises a traction frame (1), a machine frame (2), a gearbox (3), a boat-shaped sinking plate (4), a planing device (5), a pulling roller (6), a dirt removing and strip collecting device (7) and a walking wheel (8). The planing device (5) is arranged at the lower front of the machine frame (2), the pulling roller (6) is arranged at the upper front of the planing device (5), the gearbox (3) is arranged at the upper front of the machine frame (2), the boat-shaped sinking plate (4) is arranged at the lower front of the machine frame (2), the dirt removing and strip collecting device (7) is arranged at the rear of the machine frame (2), and the walking wheel (8) is arranged at the lower rear of the machine frame (2).

The utility model discloses a motor module which comprises a surface cover, a bottom cover installed on the outer side of the surface cover, a stepping motor installed on one side of the bottom cover, a screw rod rotatably connected to the inner side of the bottom cover, an output end of the stepping motor fixedly connected with the screw rod, and two internal thread sliding blocks in threaded connection to the outer side of the screw rod. The utility model has the beneficial effects that the two guide rails are arranged to limit and stabilize the moving positions of the two internal thread slide blocks on the outer side of the screw rod, the stability of the screw rod is increased, the high-precision operation is realized, the bearing is arranged to reduce the working resistance of the screw rod during rotation, the working current is reduced, and the service life of the screw rod is prolonged. And through the arrangement of the induction grating and the induction block, the back-and-forth movement of the internal thread sliding block in the grating reset detection design is realized, and the step loss compensation of the stepping motor is ensured through the induction grating detection.

The present invention discloses a conical fine sand recovery device, including an air inlet pipe, an air outlet pipe, an upper air cover, a lower air cover, a distributor, an upper guide shaft arranged at the upper end of the distributor, a lower guide shaft arranged at the lower end of the distributor, a collection bin with a discharger arranged at the bottom, a retaining ring arranged at the top of the collection bin, a guide shaft lifting device, an adjustment ring lifting device, an upper guide sleeve, and a lower guide sleeve. A lower air cover is arranged at the top of the air inlet pipe, an upper air cover is arranged at the bottom of the air outlet pipe, a gap is arranged between the upper air cover and the lower air cover, a distributor is arranged in the cavity formed by the upper air cover and the lower air cover, a guide shaft lifting device is arranged on the air outlet pipe, an adjustment ring lifting device is installed on the top of the collection bin, an upper guide shaft is sleeved in the upper guide sleeve, and a lower guide shaft is sleeved in the lower guide sleeve. The advantages of the present invention are as follows: fine sand and micro powder of different particle sizes can be screened by adjusting the upper and lower positions of the distributor and the adjustment ring, thereby improving the sand and gravel recovery efficiency of the system, and the structure is simple and the cost is low.

The railway shunting winch equipment comprises a shunting winch, a bend wheel mechanism, a fixed pulley, a heavy hammer tensioning mechanism and a steel wire rope, and the steel wire rope penetrates in from a front end inlet of the shunting winch, penetrates out from a rear end outlet, then penetrates in from a rear end inlet of the shunting winch and penetrates out from a front end outlet; a bend wheel mechanism and a heavy hammer tensioning mechanism are arranged on the front portion and the rear portion of the shunting winch respectively, the bend wheel mechanism and the heavy hammer tensioning mechanism are both connected and matched with the steel wire rope, and a plurality of fixed pulleys matched with the steel wire rope are arranged between the shunting winch and the bend wheel mechanism. And a plurality of fixed pulleys matched with the steel wire rope are arranged between the shunting winch and the heavy hammer tensioning mechanism.

The utility model relates to the technical field of subsoiling shovels, in particular to a hydraulic subsoiling shovel which reduces the working resistance of a rotary cultivator, improves the soil smashing effect, improves the overhaul and maintenance convenience and improves the use efficiency. Comprising a supporting arm and a deep scarification head which is installed at the bottom end of the supporting arm. The rotary cultivator further comprises a fixing device, a lifting device, a sleeve and two sets of soil breaking pieces, the supporting arm vertically slides to penetrate through the sleeve, the sleeve is installed at the front end of the rotary cultivator through the fixing device, the fixing device is used for fixing the position of the sleeve, the lifting device is installed on the fixing device and arranged on the side of the sleeve in a pushing mode, and the lifting device is used for driving the supporting arm to ascend and descend. The two groups of soil breaking sheets are mounted on the left and right sides of the deep scarification head respectively.

The utility model relates to the technical field of dry-mixed mortar zero-gravity stirrers. The utility model aims to provide a main shaft sealing structure for a dry-mixed mortar agravic mixer. The sealing structure has the advantages of good sealing effect and long service life. According to the technical scheme, the main shaft sealing structure is arranged at the joint of a main shaft and a side plate of a box body; the sealing structure is characterized by comprising a labyrinth sealing piece, a sealing seat, a packing sealing piece, a sealing cavity flange and a packing pressing plate which are arranged on the periphery of the main shaft in a sleeving mode and are sequentially arranged in the axial direction of the main shaft; the labyrinth sealing element is arranged on the inner side of the box body side plate; the sealing seat, the packing sealing piece, the sealing cavity flange and the packing pressure plate are all arranged on the outer side of the box body side plate; the end, close to the sealing seat, of the packing sealing piece is sealed through the second framework oil seal, and the end, close to the sealing cavity flange, of the packing sealing piece is sealed through the packing pressing disc.

The invention discloses a scraper device which is installed on the side portion of a milling bowl of a coal mill and comprises a scraper support, a hinge shaft, a scraper body, a torsion spring and a supporting frame, the scraper body comprises a scraper body and a lining plate, the scraper body comprises an upper connecting part and a lower connecting part connected with the upper connecting part, the upper connecting part is provided with an upper hinge hole, one end of the torsion spring is fixed to the supporting frame, and the other end of the torsion spring is fixed to the lining plate. And the other end of the scraper body is fixed on the hinge shaft, so that the scraper body has buffering elasticity relative to the support frame. When pebble coal thrown out by the grinding bowl passes through the impeller device, the pebble coal directly falls into the side machine body due to the large specific gravity of the pebble coal, the scraper device rotating along with the grinding bowl scrapes the pebble coal into a discharging hole in a bottom plate of the side machine body to enter a pebble coal collecting system, and the torsional spring is arranged in the middle of a supporting frame of the scraper device, so that the stress structure is optimized; the situation that the torsional spring is out of position is not prone to occurring when the scraper bears overweight loads, the safety and reliability of equipment operation are enhanced, the forming process of the scraper is simplified, the stress structure is guaranteed, and the abrasion resistance is improved.

This utility model relates to the field of engineering machinery and equipment technology, and provides a jet grouting pile device, which solves the technical problem that traditional large-diameter pile construction often requires large-tonnage, high-torque jet grouting machines, resulting in high energy consumption. The jet grouting pile device includes a drilling tool, which includes a drill bit assembly and at least one set of agitator blade units fixed to the outer periphery of the drill bit assembly and distributed in a ring-shaped interval. The drilling tool is a rotary jet grouting drill, and the drill bit assembly is provided with lateral nozzles; the agitator blade units include agitator blades and breaking teeth distributed on the agitator blades, and the injection channel of the nozzle is not higher than the breaking teeth.

This invention discloses a design method and device for a wheat field weeding actuator based on an operational power consumption model. The weeding actuator includes a rotary blade and a roller, with multiple rotary blades connected to the roller. The initial position is taken as the tip of the rotary blade contacting the soil. The entire weeding process is divided into four working conditions: contacting the soil, cutting the soil, chopping the grass, and lifting the soil. The rotary blade weeding actuator then employs a power consumption model during operation: W = ∑ i 1(W1+W2+W3+W4); The wheat field weeding device mainly consists of a rotary blade, rollers, a drive motor, a controller, and auxiliary mechanisms. The actuator of this invention uses a weeding wheel structure. By analyzing the robot-soil-weed interaction during wheat field weeding, a power consumption model of the rotary blade weeding robot actuator is constructed, and the structural parameters with the lowest power consumption during operation are determined. This not only results in a wide working area, low operating resistance, and high weeding efficiency, but also effectively solves the problem of high seedling damage rate when weeding crops with small row spacing.

The present invention discloses a roller-type rock-breaking device for the blind area of ​​a tunnel boring machine, which solves the technical problem that the existing large-section tunnel boring machines cannot efficiently crush and discharge hard rock blind areas. The present invention includes a roller, and a driven roller is arranged on the rear side of the roller. The roller and the driven roller are connected by a crawler transmission, and a plurality of pick assemblies are arranged on the crawler. During construction, the roller drives the crawler to rotate, and the pick assembly formed on the crawler rotates to squeeze the blind area, crushing the rock in the blind area within the pick spacing, and then the pick assembly drives the crushed rock to the rear of the roller for slag discharge, which can be used to excavate the blind area formed by the excavation of large-section tunnel boring machines such as horseshoe-shaped tunnel boring machines. The pick assembly has a small working resistance, flexible rotation performance, wear resistance and is not easy to fall off, and is not easy to generate sparks during operation, and can effectively cut hard rock. In the process of driving the pick assembly to break the rock, the drum-type structure will also drive the rock slag to be discharged outward.

The application discloses a novel plugging and flow guiding robot applied to pipeline emergency repair operation, relates to the technical field of oil and gas pipeline emergency repair, and comprises a sealing flow guiding device capable of guiding and dredging the medium conveyed in a pipeline, and two traction support units symmetrically arranged on the two sides of the sealing flow guiding device. Each traction support unit comprises a robot power device and a support part. Universal couplings for realizing bend self-adaption are arranged between the robot power devices and the support parts on the same side and between the support parts and the corresponding sides of the sealing flow guiding device. The main function of the device is to implement dynamic plugging at the pipeline rupture position. After a rupture crack is found, the robot travels to the position, the air bag of the plugging system is inflated through an inflation pump, the sealing air bag is inflated to tightly contact the pipeline, a sealing area is formed at the rupture position, and the liquid in the pipeline flows away through the small bypass flow guiding pipe.

The present application relates to a kind of soil remediation equipment, comprising: frame;Plough is arranged in front of frame;Rotary shaft is arranged in rear of frame and is located in the rear side of plough, rotary shaft is installed with plowshare;Spraying pipeline is arranged on rotary shaft, spraying pipeline is provided with at least one nozzle, nozzle is close to plowshare to be set to spray pesticide to soil interior when plowshare operation.Such, by setting plough in front of frame to pre-break soil structure, reduce subsequent plowshare resistance, plowshare installed on rotary shaft in rear of frame is rotated at low speed to reduce soil aggregate structure damage, while spraying pipeline is arranged on rotary shaft close to plowshare to spray pesticide to soil interior, form " plough pre-break resistance-low speed plowshare soil turning-close to plowshare spray medicine " synergic structure, effectively realize the sufficient turning of about 50cm deep soil, promote the uniform mixing of pesticide and deep and shallow soil, inhibit the secondary pollution caused by dust from source.

The invention relates to the technical field of gear speed changing boxes for increasing the output rotating speed of power equipment, in particular to a double-cooling high-rotating-speed coaxial speed increasing box which comprises a shell, an input component, a speed changing component and an output component, a gear cavity is formed in the shell, one end of the input component is in transmission connection with the external power equipment, and the other end of the input component is in transmission connection with the speed changing component. The other end of the transmission component is in transmission connection with one end of the output component, and the other end of the output component is in transmission connection with external driven equipment; and the cooling device is arranged on the shell and is used for cooling the shell, the input component, the speed change component and / or the output component. In conclusion, the first cooling part is used for cooling the gear part, and the second cooling part is used for conveniently cooling the rotating shaft, the bearing and the bearing seat, so that the operating temperature is reduced, the stability is improved, and high-rotating-speed output can be stably performed for a long time.

The utility model discloses a planing cutter cylinder and a food processor with the planing cutter cylinder, and belongs to the field of food processing tools. The planing cutter cylinder comprises a cutter cylinder body, a plurality of planing holes distributed in a staggered mode are formed in the cylinder wall of the cutter cylinder body, planing blades are embedded in the sides, corresponding to the planing holes, of the cutter cylinder body, and the portions, protruding out of the planing holes, of the planing blades are fracture type flat blades. The fracture type flat blade is provided with a cutting edge protruding out of the outer cylinder wall of the cutter cylinder body, and the planing blade embedded in the cutter cylinder is high in strength and long in service life; and the fracture type flat blades corresponding to the planing holes have the cutting-in effect similar to teeth on food materials, the planing efficiency is high, not only can rhizome food materials be cut, but also hard food materials such as ice cubes can be cut and broken, the good cutting performance on different food materials is achieved, and the food material processing range is wider. The utility model further discloses a food processer with the planing cutter cylinder, the planing cutter cylinder is arranged on the food processer, so that the food processer has the functions of shaving ice, crushing and the like, and the requirements of consumers for making food such as ice food at home are met.

The invention discloses a wheat field hoeing actuator design method and device based on an operation power consumption model, the hoeing actuator comprises hobs and rollers, a plurality of hobs are connected to the rollers, and the whole hoeing process is divided into four working conditions: soil touching, soil cutting, grass chopping and soil raising by taking the contact of the end points of the blades of the hobs of the actuator with soil as the initial position. A power consumption model is adopted when the hob type weeding actuator works, wherein W = sigma i1 (W1 + W2 + W3 + W4); the wheat field weeding device is mainly composed of a hob, a roller, a driving motor, a controller and an auxiliary mechanism. The actuator adopts a weeding wheel type structure, the robot-soil-weed interaction relation in the wheat field hoeing process is analyzed, a hob type hoeing robot actuator power consumption model is constructed, structural parameters with the lowest power consumption in operation are determined, the working breadth is wide, the operation resistance is small, the hoeing efficiency is high, and the hoeing efficiency is high. And the problem of high seedling damage rate during weeding of small-row-spacing crops is effectively solved.

The invention belongs to the technical field of polyurethane foaming coil materials, and discloses polyurethane foaming coil material continuous compression equipment which comprises a fixing frame, a roller material pressing mechanism is arranged at the bottom of the fixing frame, through the arrangement of the roller material pressing mechanism, double-row staggered rollers are adopted for material pressing, the working resistance is small, the material pressing action is stable, a gear motor A is started, and the roller material pressing mechanism is started. The gear is meshed with the rack to drive the rack and the top plate connected with the rack to start to move, and along with the movement of the top plate, the linear guide rod slides on the linear guide rail, so that the linearity of the movement of the top plate is ensured; a bottom plate on the bottom face of the linear guide rail and compaction rods distributed at the bottom of the top plate and the bottom of the bottom plate in a staggered mode also move along with the linear guide rail, a gear motor A is adopted for providing power for the roller pressing mechanism to achieve advancing and retreating actions, and the roller pressing mechanism can achieve advancing and retreating actions towards the two sides at the fixing frame in the state that the gear motor A drives a gear rack.

The invention discloses a surface object collection device and method with a comb-shaped shovel rotary structure and an integrated conveying-separating structure. The surface object collection device comprises a frame, two electric drive tracks, a battery, an automatic baler, a hollow conveyor belt, a frequency-adjustable vibrating screen, a rotary comb-shaped shovel, rake teeth, a hard brush and an image recognition and sensor module. The image recognition and sensor module comprises a camera device, an infrared sensor, a deep learning algorithm module and a pressure sensor. By identifying the characteristic size, type, density and burial degree of surface objects and measuring the force applied to the rotary comb-shaped shovel, the sand entry angle of the rotary comb-shaped shovel, the operating speed of the hollow conveyor belt and the vibration frequency of the frequency-adjustable vibrating screen are adjusted to reduce the sand entry resistance of the rake teeth, and adjustments are made for bottom materials with different particle sizes, types and densities and objects of different scales to improve the sand screening efficiency of the mixture.