45results about How to "Adapt to various working conditions" patented technology

The invention provides a core pipe valve, and belongs to the field of valves. The core pipe valve is an original brand-new-structure valve, and refers to starting and stopping, pressure starting and stopping, adjustment, safety, decompression, returning stopping, pressure reduction, emergency cutting-off and the like. A valve element pipe is a fixing piece and coaxially penetrates through a sleeveI of a valve body, a valve body cavity and a sleeve II of the valve body; an axial partition is arranged in the middle of the valve element pipe, and two adjacent sides of the partition in the axialdirection are separately at least one radial circulating hole of a pipe section I and at least one radial circulating hole of a pipe section II; an annular valve element which surrounds the partition,an annular valve seat of at least one sleeve throat of the sleeve I and an annular valve seat of at least one sleeve throat of the sleeve II form a sealing pair; the difference between the outer diameters of the pipe section I and the pipe section II is greater than or equal to 0, the pipe section I is in shaft hole type fit with the sleeve I, the pipe section II is in shaft hole type fit with the sleeve II, and at least one combined portion is provided with a seal; and under the effect of two direction potential energy, the valve body axially moves in an axial direction relative to the valveelement pipe to implement starting and stopping and function transformation. The core pipe valve is simple in structure, convenient to manufacture, low in starting and stopping resistance and good insafety, reliability and sensitivity, and adapts to various working conditions, and the efficiency is improved.

The invention relates to an active transmission device for a hybrid electric vehicle. The device comprises an axis fixed gear transmission, a transmission electronic control gear shift operating mechanism, a clutch and an electric operating mechanism thereof, an electronic control unit, a main driving motor and a synchronous mechanism, wherein the driving part of the clutch is connected with a vehicle engine flywheel, and the driven part of the clutch is connected with the front end of an input shaft of the axis fixed gear transmission; the main driving motor is connected with the synchronous mechanism; the synchronous mechanism and the tail end of the input shaft or an output shaft of the axis fixed gear transmission are separated from each other to cut off power or meshed with each other to synchronously rotate; and the electronic control unit controls the control unit of the main driving motor, the electronic control gear shift operating mechanism and the operating mechanism of the synchronous mechanism through electrical signals. The active transmission device for the hybrid electric vehicle solves the problem of power interruption in the transmission gear shift process; the synchronous mechanism has the advantages of compact structure, low cost, reliability and durability; the motor rotor structure reduces the rotational inertia of the motor, saves materials and improves the power density; and the device is convenient to assemble and disassemble.

The invention provides an intelligent rotary tiller and an intelligent control method thereof and relates to the field of agricultural machinery. The intelligent rotary tiller comprises a rotary tillage power device, an action executing device and an intelligent control system enabling rotary tillage equipment to automatically adapt to and automatically adjust related parameters in different working conditions. The intelligent control method includes: according to a working condition in which the rotary tiller needs to work, determining initial working parameters in the working condition, and sending the same to a processor; after the rotary tiller runs under configuration of initial working parameters, utilizing a detection unit and the processor to acquire rotating speed information and stroke information of the rotary tiller; utilizing the rotating speed information and the stroke information of the rotary tiller to adjust working parameters of the rotary tiller through the processor; utilizing the working parameters acquired after adjusting to adjust working modes of the rotary tiller to enable the rotary tiller to adapt to different working conditions. By using the intelligent control method, working parameters can be adjusted intelligently to adapt to various working conditions.

The invention discloses a push-pull device suitable for loading and unloading molds with multiple specifications, comprising a liftable mold platform installed on a forklift body, a push-pull mechanism is installed on the mold platform, the push-pull mechanism includes a push-pull arm, and the push-pull arm is installed with a useful For the push-pull rod of the push-pull mold, the push-pull arm is installed on a fixed seat that can move on the mold platform, and the mold platform is distributed with rollers or rollers for supporting the mold and facilitating the movement of the mold. The invention is compact in structure and stable in action. The push-pull rod of the push-pull mechanism can slide along the axial direction of the push-pull arm to adjust the distance between the push-pull arms. The rapid loading and unloading conditions of various specifications of injection molds, compression molds, stamping molds, etc., to replace the existing working methods of mold loading and unloading with forklifts and driving with auxiliary devices, improve the work efficiency of loading and unloading molds, and reduce operations at the same time Risk of personal injury.

The invention discloses a method for preparing a composite crushing plate with a columnar hard phase. A gear rack of the composite crushing plate with the columnar hard phase prepared by the method is formed by compounding a high hardness columnar hard phase and a high tenacity base metal. The method comprises the following steps: weaving alloy powder core materials into an alloy powder core material framework according to the shape of the gear rack on the crushing plate; fixing the framework on the crushing plate through binding or welding; through a casting method, performing in situ reaction on the alloy powder core materials to generate the columnar hard phase by using the high temperature of melted base molten metal; and performing the metallurgical combination of the hard phase and a base metal interface to form a high wear resistant high tenacity composite material on the gear rack of the crushing plate. The composite crushing plate prepared by the method has the advantages of high wear resistance, high tenacity, high tensile strength, high compression strength and the like. The method has the characteristics of small equipment input, low cost, simple operation and the like, and can be widely applied to various jaw type crushers.

The invention discloses a dust removing system of a plasma cutting machine. The dust removing system comprises a plurality of air flues and a cutting device, wherein the two ends of each air flue are respectively provided with an outlet, the air flues are horizontally arranged, the cutting device is arranged over the air flues, the outlet at one end of each air flue is connected with an air suction device, and the other end of each air flue is provided with a flow guide pipeline; the sectional area of the opening at one end of each flow guide pipeline is greater than that of the opening at the other end of the corresponding flow guide pipeline, one end, provided with the large opening, of each flow guide pipeline is provided with an axial flow fan, and the other end of each flow guide pipeline is arranged at one end, far away from the corresponding air suction device, of the corresponding air flue; an included angle ranging from 0 degree to 45 degrees is formed between the end, with the small opening, of each flow guide pipeline and the horizontal plane. Due to the facts that one side of each air flue is provided with the corresponding flow guide pipeline having the included angle with the horizontal plane and the axial flow fans are arranged, dust removing efficiency is higher; dust collection pipelines or wing-shaped slices are arranged inside the air flues, and therefore dust removing ability of the system is further improved.

The method discloses a method for preparing a composite breaking wall and a composite rolling wall, wherein the prepared composite breaking wall and the composite rolling wall have a composite wear resistant layer respectively. The method comprises the following steps: weaving alloy powder core wire materials into a three-dimensional framework structure; welding the three-dimensional wire material framework to a groove rolled in the outer wall of the breaking wall and a groove in the inner wall of the rolling wall respectively; through a casting method, pouring high temperature molten steel or molten cast iron into the three-dimensional wire material framework; and performing in situ reaction on alloy powder core wire/strip materials to generate a columnar hard alloy phase by using the high temperature of the molten metal, and performing the metallurgical combination of the hard alloy phase and a base metal phase interface to form a composite wear resistant layer with certain thickness in the groove in the outer wall of the breaking wall and the groove in the inner wall of the rolling wall respectively. Compared with other products of the same type, the composite breaking wall and the composite rolling wall have the characteristics of high wear resistance, high toughness, high tensile strength, high compression strength and the like, thus the use performance and the service life of the composite breaking wall and the composite rolling wall are improved. The method has the characteristics of small equipment input, low cost, strong process controllability, high rate of finished products and the like.

The invention relates to the field of oil field underground setting systems, in particular to an electric hydraulic bridge plug setting system. The electric hydraulic bridge plug setting system comprises an electronic control system and a hydraulic system, wherein one end of the electronic control system is connected with an external ground control system, the other end of the electronic control system is connected with the hydraulic system, one end of the hydraulic system is connected with the electronic control system, and the other end of the hydraulic system is connected with an external bridge plug. The electronic control system comprises a carrier wave communication module, a power source module and a motor driving module, the hydraulic system comprises a motor pump module, an oil tank module and a valve bank module, and the carrier wave communication module, the power source module, the motor driving module, the oil tank module and the valve bank module are connected in sequence. 48V constant value output is achieved under the broad input voltage of 150-300V; the effects of miniaturization of component and part model selection and good heat dissipation are solved, the mode of capsule oil storage is adopted, expansion caused by heat and contraction caused by cold of oil are achieved, pressure inside and outside an oil tank is balanced, the output oil space is effectively compensated.

The invention relates to a dust removal device for a closed corridor of a suspension type belt conveyor. The dust removal device comprises a running rail, a running trolley, a dust hood, rolling brushes, a connection pipeline and a dust processing device; the running rail is arranged in the closed corridor, and the running trolley can move along the running rail; the bottom of the running trolleyis provided with the dust hood, the two sides of a dust suction inlet of the dust hood are provided with the rolling brushes correspondingly, and the rolling brushes make rolling contact with the ground of the closed corridor; the top of the suction hood is connected with the dust processing device arranged on the running trolley through the connection pipeline; and the dust processing device comprises a primary filter, a secondary filter, an induced draft fan and an air exhaust device in sequence. According to the dust removal device, the upper suspension type belt conveyor is adopted, the running trolley carries the dust processing device to continuously sweep the ground of the closed corridor along the working path of the belt conveyor, the problem that dust is accumulated on the groundof the closed corridor of the belt conveyor can be effectively solved, unsafe factors caused by manpower cleaning are eliminated, and the purposes of automatically and efficiently removing dust and improving the operation environment are achieved.

The invention relates to a wrench. The wrench comprises a wrench body which is a hollow pipe; four stripe-shaped bosses, which are identical to four slots of a round nut in size, are uniformly and circularly formed on the inner wall of one end of the hollow pipe and around the rotating center of the hollow pipe; flat surfaces are formed on the external circumference of the other end of the hollow pipe and provided with perpendicular through holes. According to the wrench, the external circumference of one end of the wrench body is provided with the two flat surfaces in parallel and meanwhile the two parallel flat surfaces are provided with the perpendicular through holes, so that the wrench can achieve various application manners to adapt to various application conditions.

The invention relates to the field of fodder processing, and particularly discloses a fodder windrow turning and drying machine. The fodder windrow turning and drying machine comprises a fixed frame, a turning barrel and a motor. A storage barrel is mounted in the turning barrel, and the storage barrel comprises a conveying device, a feeding port, a discharging port, a discharging plate and a shoveling plate. The feeding port is formed in one side of the storage barrel, and the discharging port is formed in the other side of the storage barrel. The conveying device is fixedly mounted in the storage barrel, one end of the conveying device is close to the feeding port, and the other end of the conveying device is close to the discharging port. One end of the discharging plate is connected with the discharging port, and the other end of the discharging plate is a free end inclined downwards. One end of the shoveling plate is connected with the feeding port, and the other end of the shoveling plate is a free end inclined downwards. The conveying device comprises a conveying belt, a transmission gear and a second transmission shaft, the conveying belt is engaged with the transmission gear, and the transmission gear is connected with the second transmission shaft. According to the scheme, fodder can be fast turned and dried, use is convenient, and labor is saved.

The invention discloses a self-propelled intelligent mist-spraying pesticide-applying trolley, and belongs to the technical field of robots. The trolley is structurally constructed by connecting a walking mechanism, a supporting platform, an electric telescopic rod group, a driving device, a power box, a working platform, a control box, a pesticide box, a pipeline, a liquid pump, an air pump and adetachable spraying rod group. The structure is novel, and the movement of the pesticide-applying trolley, the lifting of the working platform and the spraying of a liquid pesticide are controlled through a wireless receiving module in the control box, and the working principle is clear. Compared with a device of conventional manual pesticide application operation, the trolley provided by the invention is high in automation degree, easy in operation and high in efficiency, and the trolley is suitable for working requirements of various working conditions and meets the requirements of sprayingheight of various crops, so that the poisoning phenomenon caused by direct contact of a human body with a pesticide is avoided.

The invention provides a Doppler velometer. The Doppler velometer comprises a sound wave transceiver, a frequency analyzer and an arithmetic device. In each measuring process, the sound wave transceiver sends sound wave signals twice to a target to be measured, and the second-time sound wave signals are sent after the first-time sound wave signals are returned; the frequency analyzer analyzes the frequencies of the returned signals corresponding to the two-time sound wave signals; the arithmetic device calculates absolute velocity of the target to be measured according to the time interval for sending the sound wave signals twice, the round-trip time of the sound wave signals each time, and the frequencies of the returned signals corresponding to the sound wave signals at any one time. The Doppler velometer can measure the absolute velocity of the target to be measured in a moving state, so that the Doppler velometer is suitable for measurement in various conditions.

The invention provides a drive core pipe valve of a dual valve body bellows pressure cabin, and relates to pressure opening and closure, pulse, non-return, safety, regulation, pressure reduction, emergency shutoff and the like; a valve core pipe wrapped in an inner cavity of an outer valve body serves as a fixing piece to coaxially penetrate a sleeve I of a valve body, an inner cavity of the valvebody and a sleeve II of the valve body; the middle part of the valve core pipe is provided with an axial interlayer, and the two adjacent axial sides of the interlayer are each provided with at leastone radial circulation hole of an input section and an output section; a sealing pair is formed by an annular valve element surrounding the interlayer, and an annular valve seat of at least one sleeve throat of the sleeve I and the sleeve II; the input section and the sleeve I as well as the output section and the sleeve II are cooperated in an axle hole mode, and the joint parts are provided with seals; and the joint part between the input section and the sleeve I is provided with the bellows pressure cabin, and the bellows pressure cabin and a front pressure cavity of the valve are throughby manes of a channel. Under the effect of potential energy in two directions, the valve body does axial reciprocating motion in the inner cavity of the outer valve body so that the effects of openingand closure and function switching are achieved. The drive core pipe valve is safe, reliable, leak-free and multipurpose.

The invention discloses a main and auxiliary motor coupling and range-extending driving system, which adopts two motors, wherein one motor serves as a main driving motor, the other motor serves as a generator for a range extender and also is used for being coupled with the main driving motor to take part in the driving operation (hereafter called auxiliary motor), one end of the output shaft of the auxiliary motor is connected to an engine by a clutch while the other end of the output shaft of the auxiliary motor is placed opposite to the output shaft of the main driving motor, and coaxially inserted into the coupler of a reducer; when in driving, the engine is separated from the auxiliary motor by the clutch, and meanwhile combine with the coupler in the reducer, thus achieving the main and auxiliary motor coupling driving; when a vehicle has small requirement on the power, the auxiliary motor can be idle or compatible for generating electricity; the above components are integrated into a machine, a plurality of driving modes, including single motor independent driving when in small power, double motor coupling driving when in large power, engine and main and auxiliary motor combined driving when in extra large load and range-extending generation driving when a battery is lack of power can be obtained under the network control of the whole vehicle; the system includes the engine, the clutch, the auxiliary motor, the reducer, the main driving motor, a generation unit controller and a double-motor controller.

The invention discloses a polishing solution polishing particle circularly extracting device which comprises a box body as well as a polishing solution storage device, a polishing solution ultrasonicatomization device, a polishing solution drying device, a polishing particle and airflow mixing device, and a polishing particle separating device all arranged in the box body, wherein a polishing solution stirring device is arranged in the polishing solution storage device; and polishing waste solution is collected and stirred in the polishing solution storage device, is atomized in the polishingsolution ultrasonic atomization device, enters the polishing solution drying device to be dried, then enters the polishing particle and airflow mixing device, and finally enters the polishing particle separating device, so that separation of particles with different masses is realized according to different gravity ranges of different particles. The polishing solution polishing particle circularly extracting device can recycle the polishing solution after polishing treatment to greatly lower the economic cost of the polishing process and increase the green manufacturing degree of the polishing process.

The invention discloses a vertical transporting bucket lifter. The vertical transporting bucket lifter comprises a lifting motor, a material turner, a belt pulley and chain tracks. A lifter housing is mounted on one side of a charging barrel, a transparent observation hole cover is mounted on the upper portion of the charging barrel, a machine general switch is mounted on the side face of the lifter housing, a lifter upper cover is mounted on the upper portion of the lifter housing, a discharging barrel is mounted on one side of the lifter upper cover, a lifting table is mounted in the bottom of the lifter housing, the lifting motor is mounted on the upper portion of the lifting table, the chain tracks are mounted on two sides of the lifting motor, a variable frequency motor is mounted on the upper portion of the chain tracks, the belt pulley is mounted on one side of the variable frequency motor, and the material turner is mounted on one side of the belt pulley. The vertical transporting bucket lifter disclosed by the invention has the beneficial effects that the vertical transporting bucket lifter is high in material lifting efficiency, simple in structure and convenient to maintain; the transparent observation hole cover is loaded, so that the condition in the lifter is observed anytime conveniently and rapidly; the lifting height can be adjusted anytime, and the vertical transporting bucket lifter is suitable for various working conditions.