55results about How to "Create a reasonable structure" patented technology

The invention relates to a harvesting device for Chinese cabbage type crops and belongs to agricultural machinery. The harvesting device is characterized in that a grid type conveying belt assembly with a grid belt drive motor is assembled to a main frame, an assembly rack is hinged to the end of the main frame, two ends of a tension spring are respectively hooked to the main frame and the assembly rack; a cutting assembly formed by a shape cutting single frame, a shape cutting drive motor, a universal transmission shaft and a saw tooth type cutting disk assembly is hinged to the assembly rackin a swingable manner, a clamping conveying assembly formed by a clamping conveying single frame, a clamping conveying drive shaft, a clamping conveying drive motor, a clamping conveying belt rack, aclamping conveying belt clamping length adjusting rod, a clamping conveying belt tensioning wheel, a driven wheel and an outer toothed drive wheel is fixedly mounted on the assembly rack, and two ends of a dip angle adjusting mechanism are respectively hinged to the assembly rack and the shape cutting single frame. The harvesting device is novel and reasonable in structure, high in adaptability,good in harvesting quality, high in efficiency and reliable to use.

The invention discloses an elastic pile foundation resistant to frost heaving damage. A top connecting module is installed above a frost heaving buffering module, a gravity column module is installed below the frost heaving buffering module, a lifting disc capable of axially sliding in a supporting shaft is installed in the supporting shaft of the frost heaving buffering module, a first rotating shaft seat is fixedly installed on the edge of the lifting disc, the first rotating shaft seat is in shaft connection with one end of a supporting cross beam, the other end of the supporting cross beam is in shaft connection with a second rotating shaft seat, the second rotating shaft seat is fixedly installed on an elastic buffer strip, a buffer net is fixedly installed on the elastic buffer strip, a lead screw is installed in the top connecting module, a driven gear is fixedly installed at the top end of the lead screw, the driven gear meshes with a driving gear, and the driving gear and a crank rotating shaft are fixedly installed. The elastic pile foundation resistant to frost heaving damage can be adjusted according to the actual frozen soil depth of a project; the elastic pile foundation resistant to frost heaving damage can adapt to repeated freezing and thawing, effectively prevent frost heaving and frost pulling, and has a lasting effect; complete dismantling and recycling can be achieved, and the influence on the environment is small; and modularized assembly facilitates later maintenance, and the maintenance cost is reduced.

The invention provides a seedling raising pot tray with variable pot hole sizes and belongs to agricultural machinery. The seedling raising pot tray comprises tetrahedral pot holes, wherein each tetrahedral pot hole is defined by a pot hole bottom wall, a pot hole left side wall, a pot hole right side wall, a pot hole front side wall and a pot hole rear side wall, the pot hole front side wall and the pot hole rear side wall adopt a mutually symmetrically configured involute gear tooth surface shape, notches penetrate through the middles of the pot hole left side wall and the pot hole right side wall from top to bottom, each of the pot hole left side wall and the pot hole right side wall is divided into a front part and a rear part by the corresponding notch, the whole pot hole bottom wall adopts a cambered shape bulged towards the inner side of the pot hole, and a cross section of an upper connecting belt at the upper ends between the tetrahedral pot holes which are adjacent front and back is arc-shaped. The pot hole sizes are increased when pot seedlings are taken from the pot tray, the adhesion force between pot seedling nutrition media and pot hole circumferential walls of the seedling raising pot tray is reduced, and the seedling raising pot tray has the characteristics of novel, reasonable and simple structure, small seedling emergence resistance and convenience, rapidness and reliability in seedling taking, and is particularly suitable for mechanized farming.

The invention discloses a small seed potato shifting wheel type seed metering device, and belongs to agricultural machinery; a vertical inner side face and a horizontal upper end face of an L-shaped power driving box assembly are respectively provided with a seed shifting wheel in a rotating manner and a seed filling and supply column in an up and down telescopic moving manner; seed shifting rods are evenly distributed and arranged on the seed shifting wheel; a small seed potato box is arranged on the horizontal upper end face of the L-shaped power driving box assembly, and is located at the outer side part of the seed filling and supply column; the outer part of the upper end of the seed filling and supply column is in a cone shape; a hemispherical pit and a horizontal groove are formed in the upper end face of the seed filling and supply column; a seed metering conveying frame is arranged on the small seed potato box; the hemispherical pit has the diameter of 20 mm. The device has the advantages of novel and reasonable structure, accurate seed metering, low sowing leakage rate, low re-sowing rate, reliable operation and less failure, and meets the requirements of precise sowing.

The invention discloses an automatic moving greenhouse capable of realizing rainwater recycling and suitable for rain sheltering experiments of crops and belongs to the technical field of agriculturalequipment. The greenhouse mainly consists of a side plate track, a top plate track, a top plate module, a head module and a side plate module. The top of the head module is fixedly mounted with the side plate track, the side plate module is mounted on the side plate track through side plate sliding wheels, the top plate track is fixedly mounted on the side plate track, and the top plate module ismounted on the top plate track. The head module is internally provided with a circuit assembly which is connected with a side plate circuit assembly through information transmission between a first wireless transmission module and a second wireless transmission module. According to the greenhouse, the demands of automated experiments are met, and the problems of high construction cost and monotonous test conditions in the prior art are solved.

The invention discloses an air-suction indent type roller seed-metering device capable of automatically clearing seeds, preventing blocking and adjusting the seeding rate, and belongs to agricultural machinery. A cylinder type seed filling cup is fixedly arranged in a pocket hole in an air suction pocket type roller, a suction nozzle body is axially and movably arranged in a cup hole of the cylinder type seed filling cup through threads, an air suction hole and a hollow cavity are coaxially and sequentially formed in the suction nozzle body in the axial direction and are communicated with each other, and the cylinder type seed filling cup is communicated with the hollow cavity through the air suction hole. A cross-shaped groove, a through hole and a limiting stop pin are respectively arranged on the suction nozzle body, a gravity rod which is coaxially and fixedly provided with a seed cleaning anti-blocking needle can be axially inserted into a hollow cavity of the suction nozzle body in a reciprocating motion manner, the seed cleaning anti-blocking needle is in insertion or separation insertion fit with an air suction hole in the suction nozzle body, and the gravity rod is in contact or separation contact fit with the limiting stop pin; according to the device, the seeding rate can be adjusted and changed according to different rice varieties and agricultural requirements, the application range is wide, the adaptive capacity is high, the seed filling, discharging and anti-blocking effects are good, the operation quality is high, and the use is reliable.

The invention provides a reasonably designed, safe, reliable and low-cost capturing linking device for a fuel component. The capturing linking device comprises a connecting rod rail shell, a rotating guide mechanism and a fuel component lifting device, wherein the connecting rod rail shell is mainly composed of an upper drum and a lower drum; the upper drum is connected with the lower drum through a screw; a motor is arranged in the upper drum and is coupled with the screw; a sliding rail, a connecting rod and a limiting device are arranged in the lower drum. The capturing linking device for the fuel component is reasonable in structure, safe, reliable and convenient in mounting. The capturing linking device can be applied to the capturing and exchanging processes of the fuel component in a reactor and is capable of achieving the functions of carrying articles, moving and lifting under the condition of the operation radius changing in a certain scope.

The invention relates to an omnibearing profiling suppressing single body, belonging to the agricultural machinery. The front end portion of a high-low profiling control beam is hinged onto a stander, the upper side surface and the lower side surface of the rear end part of the high-low profiling control beam is provided with a wheel frame with a suppressing wheel, a horizontal profiling control rod is respectively hinged at the left side part and the right side part of a suspension rod on the upper side part of the wheel frame, the horizontal profiling control rod is inserted in a bar-shaped through hole of a horizontal profiling control plate in a drawable manner, a pressure spring sleeves on the horizontal profiling control rod, the high-low profiling control beam is fixedly provided with a connecting plate, the rear end of a tension spring is hung on a connecting plate, the front end and the rear end of a lead-screw tension adjusting rod are respectively hinged with the front ends of the stander and the tension spring. The omnibearing profiling suppressing single body is novel, reasonable and simple in structure, convenient to adjust, when in operation, the suppressing wheel can make omnibearing profiling movement in the vertical and horizontal directions on the surface of ground, completes a suppressing operation, and is good in operation quality and high in applicability.

The invention discloses a hydraulic power self-lifting anti-flood wall. The hydraulic power self-lifting anti-flood wall is formed by sequential overlapped installation of a base layer, a lifting bottom layer and a lifting top layer under the cooperation of a sliding groove structure and a limiting structure. A supporting pillar I and a supporting pillar II are sequentially installed at the bottomend of the lifting bottom layer. A supporting triggering device and an air hole automatic adjusting device are installed in the lifting bottom layer. A reset spring bolt in the supporting triggeringdevice is connected with a position fixing support, a reset spring and a linking shaft, and the linking shaft penetrates a spring limiting beam to be connected with a rigid closed supporting structureII. The spring limiting beam is connected with the bottom end of the supporting pillar II through a spring. The hydraulic power self-lifting anti-flood wall is simple in structure, operation runningunder flood conditions is stable and reliable, the anti-flood height and the flow capability are improved, the anti-flood labor is greatly saved, and the peak shifting and preparing time is further provided for downstream flood fighting and emergency rescuing.

The invention discloses a semi-automatic soil saturator and belongs to civil engineering experimental apparatuses. A motor and a lead screw are arranged at the bottom in a saturator shell cavity; a driving gear and a driven gear are respectively and fixedly arranged on the motor and the lead screw; a cylindrical mold is assembled on the lead screw in an up-and-down moving manner; a vibratory tamper is fixedly arranged on the bottom end of a shaft lever and arranged in the cylindrical mold in an up-and-down moving manner; a soil sample chamber is formed by an inner cavity of the cylindrical mold and the saturator shell cavity on the lower part of the vibratory tamper; a vibrating rod sleeves the shaft lever in an up-and-down moving manner; and an electromagnetic coil is fixedly arranged at a position, which is positioned on the outer side of the vibrating rod, of the upper part in the saturator shell cavity. The saturator is novel, reasonable and simple in structure, the semi-automatic operation is realized, the operation is simple and convenient, the operators are saved, the labor intensity is low, the soil sample preparation precision is high, and the operation is stable and reliable.

The invention discloses a full-automatic controllable waterhead constant-flow water supply device, and belongs to civil engineering experimental apparatuses. Through cooperation of a circuit assembly,an air pump, a water pump, a plurality of electric control gates and all kinds of sensors, the device achieves flexible setting and a corresponding capability of stabilizing waterhead and prevents the defects that the waterhead is supplied unstably by traditional Mariotte bottles and the traditional Mariotte bottles cannot be used in a high temperature environment; the device is novel, reasonableand simple in structure, easy and convenient to operate, low in labor intensity, high in precision, stable and reliable during operation and running and capable of achieving automated operation, reducing operator number and ensuring the stable waterhead required by mating experiments.

A full automatic soil saturation device belongs to civil engineering experimental instruments; the full automatic soil saturation device is matched with a plurality of motors and all kinds of a plurality of sensors by a circuit assembly to realize automatic filling and piecewise compaction functions, by a rotary build-in blade, each stage of soil material compaction surface can be polished, the combination is more natural and more uniform; the full automatic soil saturation device is novel, reasonable and simple in structure, can realize automated operation, operation is simple and convenient, operating staff can be saved, labor intensity is low, soil sample preparation precision is high, and operation is stable and reliable.

The invention discloses a heating system by utilizing shallow layer geothermal energy in a severe cold area and belongs to the clean energy utilization technology. A geothermal well is opened in a shallow layer with the depth of 150-200m underground in the severe cold area; an evaporator and an insulation bushing are installed in the geothermal well; a CO2 input pipe and a CO2 output pipe are assembled in the insulation bushing; the CO2 input pipe is wholly in a spiral body shape; the CO2 output pipe is arranged in the spiral body of the CO2 input pipe; the two ends of the CO2 input pipe communicate with the evaporator and an expansion valve respectively; and the two ends of the CO2 output pipe communicate with the evaporator and a compressor respectively. By changing the structural form of a traditional carbon dioxide heat pump unit, the heating system can still normally and efficiently run under the environment of the severe cold area with poor air temperature condition and has the characteristics of reasonable and simple structure, high price-performance ratio and supplying support for developing and applying the geothermal energy in the severe cold area.

The invention provides a chemical reaction tank. A propeller is arranged on a stirring rod in a tank body, and the distance from a blade at the top end of the propeller to the bottom of a cavity of the tank body is greater than three fourths of the height of the cavity of the tank body; and a flow guide device is further arranged above the propeller and is a cylindrical box of which the inside is a cavity structure, a plurality of liquid leaking holes are formed in a bottom plate of the flow guide device, the top end of the flow guide device is fixedly connected with the inner side of the top of the tank body, and the flow guide device communicates with a second liquid inlet tube arranged on the top of the tank body. The chemical reaction tank has the advantages of reasonable structure and good liquid dispersing effect.

The invention provides a continuous automatic lifting device for a cloth net type greenhouse seedling tray, and belongs to agricultural machinery. A frame assembly provided with ground wheels is provided with a power drive system, a net belt transport system, a to-be-transported seedling separation system and a seedling tray transfer system, wherein the power drive system is composed of a motor, aswing rod drive shaft, a transport roller drive shaft and first, second, third, fourth and fifth transmission belts, the net belt transport system is composed of a crank wheel, a swing rod, a grid-type vibrating plate, a net belt supporting wheel, a prismatic vibrating loosening roller, a net belt tensioning roller and a roll net roller assembly, the to-be-transported seedling tray separation system is composed of a seedling tray jaw-type transport roller, a seedling tray holding plate and a to-be-transported seedling tray comb tooth plate, and the seedling tray transfer system is composed ofa frame support shaft, a rotating frame, a hanging support rod, a cam, a roller, a pressure spring, a seedling tray transport comb tooth plate and a seedling tray transfer comb tooth plate. The device has the advantages of a novel, unique and reasonable structure, high automation of tray lifting operation, continuous tray lifting operation, high efficiency, a good tray lifting effect, reliable use and less failure, and provides a technical support for promotion of a cloth net type greenhouse seedling farming technology.

The invention provides high-stability bag extruding and expanding equipment. The equipment comprises a base table; a conveying assembly, a manipulator assembly and a clamping assembly are sequentially arranged on the base table; an extruding and expanding device is arranged between the manipulator assembly and the clamping assembly and comprises a lower base, an upper base and a Y-direction driving mechanism used for adjusting the distance between the upper base and the lower base; a lower fixed die holder is fixedly arranged in the middle of the lower base, and X-direction driving mechanisms for driving the corresponding die holders to slide are arranged on the upper base and the lower base. The equipment is reasonable in structure and easy and convenient to operate, the conveying assembly, the manipulator assembly and the clamping assembly are optimally designed, workpieces stably reach the designated machining position and are limited within the machining operation range, extruding and expanding machining is rapidly and stably conducted through the extruding and expanding device, the workpiece forming quality is good, the machining efficiency is high, and a foundation is laid for automatic production.

The invention discloses an ice thickness monitoring device and method based on the principle of volume change of liquid-solid phase transition of a water body. The device is composed of an organic glass pipe and a steel pipe fixedly installed together through a waterproof threaded joint. A protective sleeve is fixedly installed outside the organic glass pipe. A scale is engraved on the organic glass pipe, and a foldable tripod is installed on the organic glass pipe. A reversible top cover is installed at the top end of the organic glass pipe. A ball valve is fixedly installed at the end of thesteel pipe. The protective sleeve is composed of a thermal insulation layer, a deformation layer not losing elasticity in an extremely cold environment and an anti-floating layer made of a high-density material. The monitoring method includes the following steps: drilling an ice hole and putting the equipment into the ice hole, injecting a water body, and injecting oil after the liquid level is stabilized; contacting the tail end of the steel pipe with the bottom of the ice layer, and fixing the tripod; and carrying out reading and calculating the ice thickness during monitoring. The ice thickness monitoring device has a simple structure, can run stably and reliably in extremely cold climate and save labor, and facilitates periodic observation at fixed monitoring stations.

The invention discloses a rice seedling raising carpet type plastic disc and belongs to the materials used for agriculture. Multiple potholes are uniformly formed in the rice seedling raising carpet type plastic disc, a through hole is formed in the bottom wall of each pothole, an enclosure frame is arranged on the lower side portion of the edge folding portion of the periphery of the rice seedling raising carpet type plastic disc in the vertical direction, the bottom end face of the enclosure frame is flat with the bottom end face of each pothole, a groove protruding upward is formed in the central position of the bottom wall of each pot hole and at the periphery of each through hole, and cross grooves protruding upward are formed at the periphery of the bottom wall of each pothole and at the outer side position of each groove. By means of the rice seedling raising carpet type plastic disc, the embellish gas containing moisture and oxygen in seedbed soil can be conveyed into the soil at the bottom of each pothole conveniently and reliably for being supplied to the growth of the seedlings, and the disc has the advantages of being novel in structure, reasonable, simple, good in seedling operation quality, few in operation faults and reliable to use.