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30results about How to "Avoid weight" patented technology

Storage battery fixing device, storage battery assembly and working machine

The utility model relates to the technical field of storage battery installation, and discloses a storage battery fixing device, a storage battery assembly and an operation machine. The storage battery fixing device is suitable for fixing a first storage battery and a second storage battery which are vertically arranged at an interval, and comprises a chassis suitable for placing the first storage battery; one end of each supporting rod is mounted on the chassis, and the supporting rods are suitable for surrounding the peripheral side of the first storage battery; the tray is mounted at the other end of the supporting rod, a gap is reserved between the tray and the upper surface of the first storage battery, and the tray is suitable for placing a second storage battery; and the limiting assembly is mounted on the tray and is suitable for surrounding the peripheral side of the second storage battery and the upper surface of the second storage battery. According to the utility model, the second storage battery can be arranged above the first storage battery by utilizing the plurality of supporting rods and the tray, so that the occupation of a horizontal space can be reduced. In addition, by arranging a limiting assembly on the tray, the stability of the second storage battery on the tray can be improved.
Owner:SANY HEAVY MACHINERY

Underwater vehicle charging system and charging method

The invention provides an underwater vehicle charging system and a charging method, and solves the problem that the loading capacity, the operation time and the operation flexibility of an underwater vehicle are affected as a heavy coupler needs to be carried at the vehicle end in the conventional underwater vehicle wireless charging system. According to the invention, the permanent magnet synchronous motor which must be carried by the underwater vehicle is used for energy supply, the battery of the underwater vehicle is directly charged through the electromotive force generated by the reverse rotation of the permanent magnet synchronous motor, and the situation that the load is increased by a coupler installed at the vehicle end in the conventional wireless charging process is avoided. The charging system comprises a charging device arranged underwater and a one-way clutch arranged between a transmission shaft of a permanent magnet synchronous motor of the underwater vehicle and a propeller. The charging device comprises a base platform, a mobile platform, a motor, a charging rod, a fixed electromagnet, a communication unit and a control unit. The motor converts electric energy obtained by the charging device into mechanical energy which is transmitted to the permanent magnet synchronous motor transmission shaft through the charging rod to drive the transmission shaft to rotate reversely.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Intelligent pump distribution system

The invention relates to the technical field of pump sets, in particular to an intelligent pump distribution system which comprises a base, a mounting structure, an electric gate valve, a one-way valve, a butt joint structure, a connecting structure, a supporting structure, a fixing structure and a control box. The service life of the pump set is prolonged, the butt joint structure facilitates quick installation of a pump set pipeline, repeated installation and disassembly of bolts are avoided, the installation efficiency is improved, the supporting structure is used in cooperation with the fixing structure, the supporting structure plays a role in supporting when the pipeline is installed, and the problem that the pipeline is difficult to install due to the large weight is solved. And the flexibility is improved.
Owner:济南普利电子系统控制工程有限公司

Breathable structure for a light stab-resistant garment

ActiveCN224734778UImprove wearing comfortSolve the problem of hot and humid
The utility model relates to the technical field of anti -piercing clothes fabric, specifically disclose a kind of light anti -piercing clothes ventilation structure, including from outside to inside sequentially arranged outer protective layer, intermediate buffer layer and inner comfort layer, the intermediate buffer layer is by multiple independent and array distribution's buffer unit composition, first ventilation passage for air circulation is formed between adjacent the buffer unit, the side of inner comfort layer close to human skin is equipped with multiple three -dimensional convex structure, by constructing multilevel ventilation passage, effectively promote the air circulation and heat and moisture discharge in clothing inside and outside, solve the problem of traditional product stuffy and damp, protective layer structure in lightening overall weight, increase wearing flexibility and activity freedom aspect obvious advantage, in addition, the design structure is stable and reliable, good durability, applicable to the various service scene needing long time wearing anti -piercing clothes, significantly improve the wearing willingness and on-duty efficiency of user.
Owner:TEXTILE INST JIANGSU PROVINCE

Low-vibration active phase modulation composite pulse tube stirling refrigerator

The application discloses a low-vibration active phase modulation composite pulse tube Stirling cryogenic refrigerator and belongs to the technical field of cryogenic refrigerators. The composite refrigerator cold finger integrates a first Stirling component as a high-temperature stage and a second pulse tube component as a low-temperature stage. The innovation is that the phase modulation unit of the second pulse tube component is composed of a second inertia tube wound and fixed in the inner circle of the gas reservoir, and the gas reservoir is integrally connected to the first cold end heat exchanger to improve the system efficiency through low-temperature arrangement. At the same time, the motion state of the compressor piston and the first displacer is monitored and cooperatively controlled in real time through the compressor displacement sensor and the cold finger displacement sensor, active and accurate phase modulation is realized, and the active vibration damper is used to perform reverse compensation according to the motion feedback of the first displacer to significantly offset the vibration output of the whole machine. The application realizes the unity of high efficiency, low vibration and high reliability, and is particularly suitable for vibration-sensitive space exploration and other application scenarios.
Owner:SHANGHAI INSTITUTE OF TECHNICAL PHYSICS CHINESE ACADEMY OF SCIENCES

Anti-deformation support structure for lightweight aluminum honeycomb panel

ActiveCN224620953UPreserve original geometric stabilityDosage control
This utility model relates to the field of aluminum honeycomb panel technology and discloses a deformation-resistant support structure for lightweight aluminum honeycomb panels, including an upper aluminum plate and a lower aluminum plate. Both the upper and lower aluminum plates have slots, and clamping plates are fixed to the side walls of both plates. An upper cavity is formed in the upper aluminum plate, and a lower cavity is formed in the lower aluminum plate. A transverse support strip is installed in the lower cavity, and a longitudinal support strip is installed in the upper cavity. An upper placement groove is formed in the upper aluminum plate, and a lower placement groove is formed in the lower aluminum plate. An aluminum honeycomb core panel is clamped into the upper and lower placement grooves. This utility model eliminates the need to increase core density to improve strength, effectively controlling material usage and avoiding the weight and cost increases caused by core densification. Furthermore, it eliminates the need to increase aluminum plate thickness to enhance splicing strength, avoiding damage to the aluminum plate structure from openings and preventing weight increases caused by thickening the aluminum plate or adding fasteners.
Owner:QINGDAO JIESHENG OCEAN ENG CO LTD

A coupling and decoupling network for composite signal transmission

This invention discloses a coupling and separation network for composite signal transmission, relating to the field of composite signal transmission. The coupling and separation network includes: a boost module for boosting an AC drive signal; a drive transmission module for transmitting the boosted AC drive signal and outputting it to a parallel resonant module via a cable; and a parallel resonant module for ensuring that the voltage and current on the coaxial cable are in phase. The boost module is connected to the drive transmission module, which in turn is connected to both the parallel resonant module and the boost module. This coupling and separation network drives three types of signals. Compared with existing technologies, the advantages of this invention are: it avoids the problems of relay mechanical reliability and transient interference caused by switching during composite signal transmission, and it utilizes a transducer-matched inductor to achieve high-voltage, high-power, low-frequency signal filtering, avoiding the size and weight costs associated with additional components.
Owner:AVIC AVIONICS CO LTD

Long endurance and easily deployed data collection house

ActiveCN224591866UReduce the number of installationsAffect normal operationElectrical batteryData acquisition
The utility model discloses a long endurance and easily deploy data acquisition house, including bottom plate, the edge side fixed mounting of bottom plate top has the protection wallboard, the front side and rear side of protection wallboard top all have seted up solar panel limiting slot, the utility model relates to sensor data acquisition technical field. The long endurance and easily deploy data acquisition house, through the installation lithium cell with the utilization battery compartment connecting table, and install polycrystalline solar panel for lithium cell power supply, not only reduced the installation quantity of battery and alleviated the weight of whole, and this power supply mode greatly increased the endurance, very large extent solved the problem of short endurance, and in the battery compartment main part and the periphery and bottom of inductor deposit storehouse, utilize the protection wallboard and close, prevent the influence protection inductive component and the normal operation of battery of the aging and humid environment that solar exposure brings.
Owner:DONGGUAN UNIV OF TECH

Motor rotor dynamic balance adjusting method

The invention discloses a motor rotor dynamic balance adjustment method, which comprises the following steps of S1, assembling a rotor shaft of a motor rotor on dynamic balance equipment, respectively selecting a left calibration part and a right calibration part at two ends of a rotor body of the motor rotor, and setting 0-degree positions on the left calibration part and the right calibration part; s2, calculating the allowable unbalance degree and the allowable unbalance amount of the rotor shaft to obtain the qualified amplitude of the rotor shaft; s3, driving the motor rotor to operate through dynamic balance equipment, and comparing to obtain an amplitude change curve of a first corrected end and an amplitude change curve of a first non-corrected end of the rotor shaft; and S4, actually measuring a left amplitude curve and a right amplitude curve of the rotor shaft in operation. Dynamic balance of the motor rotor is automatically detected, and automatic balance of the motor rotor is completed with high precision and high efficiency by adding materials.
Owner:HAYDON LINEAR MOTORS CHANGZHOU CO LTD

A foldable horizontal blade device for a wind turbine

This application belongs to the field of wind turbine technology, and particularly relates to a foldable horizontal blade device for wind turbines, including a rotating hinge base. The rotating hinge base includes a vertical shaft, on which multiple hinge seats are arranged. All the hinge seats are evenly arranged around the central axis of the vertical shaft. Blades are provided on the hinge seats and hinged to the hinge seats. A column is provided at the upper end of the rotating hinge base, and a fixed pulley group is provided at the upper end of the column. A rope winding and unwinding device is provided inside the column. A lifting rope is provided on the drive rod of the rope winding and unwinding device. The lifting rope passes through the fixed pulleys on the fixed pulley group and is connected to the blade. This application uses the connection between the blade and the rotating hinge base as the fulcrum, and uses the rope winding and unwinding device and the lifting rope to lift the blade, so that the blade can overcome its own weight and the blade length can be made longer. The angle between the blade and the horizontal plane can be changed, so as to enhance the wind energy capture capability.
Owner:SHANDONG YINFENG ENERGY TECH CO LTD

Low-power-consumption power semiconductor module and power terminal

The utility model relates to the technical field of power semiconductor modules, in particular to a low-power-consumption power semiconductor module and a power terminal, which comprises a power input part, a power transmission part and a power output part, and the input end and the output end of the power transmission part are respectively connected with the power input part and the power output part; the power transmission part is of a hollow structure; the wall thickness of the power transmission part is 1-2 mm. By adopting the scheme, on the premise of controlling the cost, the effective current sectional area of the power terminal can be enlarged, and the increase of effective resistance caused by a skin effect is reduced, so that the power loss is reduced, and the performance of the semiconductor module is improved.
Owner:CHONGQING CLOUDCHILD TECH CO LTD

Aramid honeycomb based on magnetic wave-absorbing pre-preg and preparation method thereof

PendingCN122278133AGood performance synergyavoid weightPolymer sciencePolyetherimide
This invention relates to the field of composite material technology, specifically to an aramid honeycomb based on magnetic microwave absorbing prepreg and its preparation method. The aramid honeycomb includes an aramid honeycomb core and a magnetic microwave absorbing prepreg layer covering the surface of the honeycomb core. The magnetic microwave absorbing prepreg, by mass percentage, contains 25%-30% magnetic microwave absorbing component, 40%-45% resin matrix, 20%-25% reinforcing fiber, 5%-8% dispersant (based on the magnetic microwave absorbing component), and a curing agent with a mass ratio of 1:1.2 to the resin matrix. The magnetic microwave absorbing component is selected from one or more of coated Fe3O4@SiO2 nanoparticles, nickel-doped MXene (Ni-Ti3C2), and ultrafine Fe-Si-Cr alloy powder, mixed in any proportion. The resin matrix is ​​E-51 modified epoxy resin with a glass transition temperature Tg ≥ 120℃; the reinforcing fiber is para-aramid fiber cloth (Kevlar49) with a length of 0.15 micrometers to 0.5 millimeters; the dispersant is polyetherimide (PEI); and the curing agent is methyltetrahydrophthalic anhydride (MeTHPA).
Owner:GUIZHOU BOTAO ELECTRONIC TECH CO LTD

Gift box with product suspension effect display function

The gift box with the product suspension effect display function comprises a left box body and a right box body, the left box body and the right box body are closed or opened in a left-right involution mode through a sliding mechanism between the left box body and the right box body, and when the left box body and the right box body are opened, a magnetic attraction device is arranged on the upper portion of the space between the left box body and the right box body; the magnetic attraction device comprises a coil and an iron core which are arranged in the shell, the coil winds the iron core, and the coil is powered on or powered off to control generation or disappearance of magnetism of the iron core; the top part of the product is made of metal, and the attraction force of the magnetic attraction device and the top part of the product overcomes the gravity of the product, so that the product is suspended in the air. The left box body and the right box body are oppositely closed to be powered off and opened to be powered on, the magnetic attraction device generates a magnetic field, product weight is overcome, products are displayed in the air in a suspended mode, product characteristics are three-dimensionally highlighted, and the product display effect is improved.
Owner:SHENZHEN JUJIN PAPER PACKAGING CO LTD

Modularized electric vehicle pre-charging circuit assembly

The utility model discloses a modularized pre-charging circuit assembly of an electric automobile. The modularized pre-charging circuit assembly comprises a semiconductor switch which is packaged in a flat standard mode and a pre-charging resistor which is packaged in a flat mode. The pre-charging circuit assembly is electrically connected with the main positive loop through wires and pins on the PCBA board. According to the utility model, the pre-charging circuit assembly is independently produced, so that when the arrangement space of the BDU is insufficient, the pre-charging circuit assembly can be independently arranged and is connected with the main positive loop only through a small number of thinner non-power connecting wire harnesses; the problems of weight and cost rise caused by increase of the use amount of long copper bars due to separate arrangement of high-power loops in the prior art I are avoided; meanwhile, due to the standardized design of the pre-charging circuit assembly, the development and material cost can be reduced, and the problems of high mold cost and long mold opening period caused by customized non-standard special-shaped parts in the prior art II are solved.
Owner:HUADING GUOLIAN SICHUAN BATTERY MATERIALS CO LTD

Ultra-wideband electronic reconnaissance load based on electro-optical sensing

ActiveCN119544084AWith ultra-wideband spectrum signal interception capabilityavoid weightElectromagnetic receiversHigh level techniquesUltra-widebandLow noise
The embodiment of the invention relates to the technical field of electronic reconnaissance, in particular to an ultra-wideband electronic reconnaissance load based on electro-optical sensing, which comprises an antenna module, a photoelectric receiver module, a signal processing module, a Beidou time service module, a secondary power supply module and an air cooling case, and all the modules except the antenna module are arranged in the air cooling case; the antenna module receives radio frequency signals of each frequency band in real time; the photoelectric receiver module performs low-noise amplification, electro-optical compression conversion and photoelectric conversion on the radio-frequency signals of each frequency band, down-converts high-frequency signals distributed in an ultra-wideband range into a repetition frequency interval of the optical frequency comb laser source for processing, and obtains and outputs two paths of compressed intermediate-frequency signals after low-pass filtering; and the signal processing module carries out identification analysis based on the two compressed intermediate frequency signals to obtain IQ data and time frequency parameters and outputs the IQ data and the time frequency parameters to external terminal equipment. The load realizes instantaneous and ultra-wideband electromagnetic target coverage, and has the capability of intercepting burst communication electromagnetic information.
Owner:CNGC INST NO 206 OF CHINA ARMS IND GRP +1

Method for exchanging data between first aerosol-generating device and second aerosol-generating device, computer program and aerosol-generating device

A method of exchanging data between a first aerosol-generating device and a second aerosol-generating device, the method comprising: activating a wireless communication interface of the first aerosol-generating device when the first aerosol-generating device is in a predetermined state associated with aerosol generation; determining that at least one trigger event has been detected by a detection unit of the first aerosol-generating device distinct from the wireless communication interface; and performing data exchange with the second aerosol-generating device via the wireless communication interface in response to detecting the at least one trigger event when the first aerosol-generating device is in the predetermined state.
Owner:JAPAN TOBACCO INT CORP

Pay-off device

The utility model provides a pay-off device. The pay-off device comprises a support and a pay-off device body, the rotating assembly is rotatably arranged on the support, and the rotating assembly comprises a rotating shaft; the pay-off barrel is arranged on the rotating shaft in a sleeving mode, the pay-off barrel is used for winding a connecting rope and is fixedly connected with the rotating shaft, a fixing structure is arranged between the support and the pay-off barrel, the fixing structure has a fixing state and an avoiding state which are oppositely arranged, and when the fixing structure is in the fixing state, the fixing structure can stop rotation of the pay-off barrel; when the fixing structure is in the avoiding state, the rotating assembly can drive the pay-off barrel to rotate. Through the technical scheme provided by the invention, the problems of high labor intensity and low accuracy of workers in the checking process in the prior art can be solved.
Owner:SHENHUA XINJIANG ENERGY CO LTD

Quadruped robot wheel foot cover tire and quadruped robot wheel foot

The utility model discloses a quadruped robot wheel foot cover tire, which is in a circular ring shape and comprises a mounting area, a tire cover and a tire cover, and is characterized in that the mounting area is used for connecting a quadruped robot wheel hub; the buffer area is provided with a hollow part, and the hollow part extends inwards from the outer side face in the width direction of the outer tire; the action area can be in contact with the ground, and anti-skid ribs are formed in a circle in the circumferential direction; the mounting area, the buffer area and the action area are sequentially arranged outwards in the radial direction from the center of the outer tire and are concentric and coaxial. The utility model further discloses a quadruped robot wheel foot. Due to the arrangement of the hollow parts in the buffer area, the weight of the outer tire is reduced, vibration generated by the outer tire can be effectively absorbed, and the movement stability of the quadruped robot is high due to the overall structure; the mounting area, the buffering area and the acting area are sequentially and concentrically arranged from inside to outside, the stability of the hub in the circumferential direction in the movement process is guaranteed, and deviation and even slipping are avoided.
Owner:HANGZHOU YUNSHENCHU TECH CO LTD

Corn seed quality sorting device

The utility model discloses a corn seed quality sorting device which comprises a box body and a supporting sleeve, a discharging assembly is installed on the top of the box body, the discharging assembly comprises a hopper and a discharging valve, a screening assembly is installed on the inner side of the box body, the screening assembly comprises a screening plate and a supporting plate, and the supporting plate is installed on the box body. The bottom of the sieve plate is provided with a guiding-out assembly, the guiding-out assembly comprises a first inclined plate and a second inclined plate, the second inclined plate is provided with a pushing assembly, and the pushing assembly comprises a motor and an eccentric wheel. According to the corn seed screening device, the situation that the amount of corn seeds on the screening plate is large is effectively avoided, then the situation that screening is not thorough is prevented, the sorting effect of the corn seeds is guaranteed, impurities are filtered at the bottom of the filter screen, cleaning work is conducted through the filter screen, chippings are prevented from flying outwards, safety of the environment around the device is guaranteed, and the corn seed screening device is suitable for corn seed sorting.
Owner:HUBEI GAONONG TECH CO LTD

Ultra-wideband lightweight electromagnetic reconnaissance receiver based on electro-optical sensing

The invention relates to the technical field of electronic reconnaissance, in particular to an ultra-wideband lightweight electromagnetic reconnaissance receiver based on electro-optical sensing. The receiver comprises an optical frequency comb pulse laser source M1, an optical frequency comb pulse laser source M2, a low-noise amplifier LNA1, a low-noise amplifier LNA2, a numerical control attenuator AGC, a power divider PS, a polarization controller PC1, a polarization controller PC2, an electro-optical modulator MZM1, an electro-optical modulator MZM2, a photoelectric detector PD1, a photoelectric detector PD2, an optical coupler OC1, an optical coupler OC2, a low-pass filter LF1 and a low-pass filter LF2. The output end of the low-pass filter LF1 and the output end of the low-pass filter LF2 are connected with the signal processing module FPGA; the low noise amplifier LNA1 is connected with the output end of the antenna RA, and the radio frequency output of the antenna RA is divided into two paths to enter the electro-optical modulator MZM1 and the electro-optical modulator MZM2 after passing through the power divider PS. The receiver can realize instantaneous electromagnetic information interception in an ultra-wideband range on the basis of meeting the index of light weight of equipment.
Owner:CNGC INST NO 206 OF CHINA ARMS IND GRP +1

Pressure compensation electric actuating mechanism for deep sea high-pressure valve of ship

A pressure compensation electric actuating mechanism for a ship deep-sea high-pressure valve comprises a shell, a motor, an output shaft assembly, a worm assembly, a compensation assembly and a multi-stage gear assembly, and the multi-stage gear assembly comprises a first-stage pinion, a fourth-stage large gear and a multi-stage duplicate gear assembly arranged between the first-stage pinion and the fourth-stage large gear; the vertically-arranged output shaft assembly is located in the middle, the horizontally-arranged motor is arranged on one side of the output shaft assembly, and the horizontally-arranged worm assembly is arranged on the other side of the output shaft assembly. An inner cavity of the shell is divided into a first containing cavity and a second containing cavity through a bearing mounting plate, the first containing cavity comprises a motor containing cavity used for containing a motor, the portion, outside the motor containing cavity, of the first containing cavity contains a worm assembly and an output shaft assembly, and a multi-stage duplicate gear assembly is contained in the middle of the second containing cavity. An output shaft of the motor extending into the second containing cavity on one side of the multi-stage duplicate gear assembly is fixedly connected with the first-stage pinion. The invention has the advantages of light weight, small volume, low fault rate, high precision, fast response and high reliability.
Owner:XIANGYANG HANGLI ELECTROMECHANICAL TECH DEV

Large-scale transportation and delivery unmanned aerial vehicle cargo hold stowage balancing method, equipment and medium

The invention provides a cargo hold stowage balancing method for a large-scale transportation and delivery unmanned aerial vehicle, which comprises the following steps: receiving a transportation and delivery task instruction, and determining the total weight of cargoes and the quantity of packaging units; the total cargo weight and the number of the packaging units are both smaller than the limit value of the cargo hold of the unmanned aerial vehicle; traversing to generate a plurality of stowage schemes conforming to the load constraint, and screening to generate a stowage scheme set for loading the gravity center envelope; based on a predetermined optimization factor, establishing an efficiency evaluation equation, and determining N groups of candidate stowage schemes from the stowage scheme set; based on a group of fixed air-drop time sequences, determining a stowage scheme which conforms to an air-drop gravity center envelope and has a minimum gravity center dynamic change range from N groups of candidate stowage schemes; and generating stowage information of each packaging unit based on the determined stowage scheme. According to the method, the cargo hold balance control operation method is greatly simplified, the operation and maintenance cost of a user is remarkably reduced, the situation that balance weights are additionally increased due to cargo unbalance loading can be avoided, and the optimal stowage balance scheme can be efficiently and reasonably output.
Owner:四川腾盾科技有限公司

Column type pier automatic climbing device

The utility model provides an automatic climbing device for a column type pier. The automatic climbing device comprises a climbing frame, a hydraulic driving system and a working platform, the climbing frame is composed of an upper hoop and a lower hoop which can be opened and closed, and the hydraulic driving system is used for connecting the upper hoop and the lower hoop and driving the upper hoop and the lower hoop to alternately lock a pier and climb along the pier; the working platform is fixedly arranged at the bottom of the lower hoop and is used for bearing construction equipment and personnel; locking devices are arranged at the opening positions of the upper hoop and the lower hoop. The device is applied to column type pier capping beam construction, the overhead working risk can be reduced through ground installation, the construction efficiency is improved, and the construction safety is improved through the scheme of the upper hoop, the lower hoop and the pressure sensor.
Owner:SICHUAN WUXIN INTELLIGENT EQUIP

Accurate metering scale

The utility model relates to the technical field of metering scales, in particular to an accurate metering scale, which comprises a metering scale body, a first placing tray is fixedly connected to the middle of the upper surface of the metering scale body, a weighing cup is placed on the surface of the first placing tray, and a tablet computer is arranged on the upper side of the metering scale body. A material identification module is arranged on the side face of the metering scale body and comprises a discharging plate, a second containing disc, a material cup, a label, a supporting block and a code scanner. The tablet personal computer is used for displaying types, numbers and needed weights of all materials needed in the material warehouse, then an operator grabs the materials according to given material information, scans labels through the code scanner to identify and verify the material information, and feeds back the weighed weight to the tablet personal computer to be verified after the weighed weight is accurate, and through double verification, the efficiency is greatly improved. The accuracy of material weighing is effectively improved, the problem that an operator takes wrong materials or has weight deviation is avoided, and the quality of perfume products is effectively improved.
Owner:SHANGHAI IAN IND CO LTD

Mäher

A mower including a mower unit (8); a grass collector (10) configured to store mown grass; a guide duct extending from the mower unit (8) to the grass collector (10) and configured to guide grass mown by the mower unit (8) to the grass collector (10); and a fullness detector (20) configured to detect that the grass collector (10) has become full of mown grass, the fullness detector (20) including: a receiver (21) configured to be pressed toward a first side by mown grass in contact with the receiver (21); an urging member (22) urging the receiver (21) toward a second side opposite to the first side; a weight (23) to adjust a swing sensitivity of the receiver (21) to a press by mown grass; and a detection sensor (24) configured to detect that the receiver (21) has been pressed by mown grass.
Owner:KUBOTA CORP

Intelligent tent fabric with self-adaptive active anti-condensation function and preparation method thereof

The invention relates to an intelligent tent fabric with a self-adaptive active anti-condensation function and a preparation method thereof. The technical key points are as follows: the fabric comprises outer-layer base cloth, a patterned conductive heating layer arranged on the inner side of the outer-layer base cloth, a waterproof moisture-permeable insulating layer arranged on the inner side of the conductive heating layer, and an intelligent control unit connected with the patterned conductive heating layer, the intelligent control unit comprises a humidity sensor used for detecting environment humidity and a controller used for controlling the conductive heating layer according to humidity signals. The problem of moisture condensation on the inner surface of the tent fabric in the high-humidity environment is solved, compared with an existing product, humidity in a tent can be sensed in real time, the heating function can be automatically started, the situation that the temperature of the inner surface of the fabric is lower than the dew point is avoided, moisture condensation on the inner surface of the fabric is actively prevented, and the fabric has excellent heat preservation, water resistance and moisture permeability; the method accords with the current intelligent and lightweight development trend, and is safe, reliable and good in process compatibility.
Owner:DANDONG UNIK TEXTILE CO LTD

Novel cast-in-place pile reinforcement cage wellhead support

The novel cast-in-place pile reinforcement cage well mouth support comprises an outer frame, supporting assemblies are arranged at the four corners of the upper surface of the outer frame, each supporting assembly comprises two supporting rods, reinforcing plates and a fixing plate, the reinforcing plates are arranged at the upper ends and the lower ends of the two supporting rods, and the fixing plates are welded to the rear ends of the supporting rods. The supporting rod fixing piece is arranged between the supporting assembly and the outer frame and comprises fixing blocks, limiting columns and reinforcing rods, the fixing blocks are welded to the four corners of the upper surface of the outer frame, the limiting columns transversely penetrate through the fixing blocks, and the reinforcing rods vertically penetrate through the outer ends of the limiting columns. The outer frame is arranged to disperse ground pressure and is used in a construction site in a turnover mode, the supporting rods on the outer frame are used for hooking the reinforcement cage, the supporting rods are fixed and limited through the supporting rod fixing pieces, and therefore the support is not prone to deformation and can be used repeatedly.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD

Connecting device of electric shovel bucket opening chain

The utility model relates to the field of electric shovels, in particular to an electric shovel bucket opening chain connecting device which comprises a bucket, a bottom opening bucket rotationally mounted on the inner wall of the bucket, an iron chain connected with the bottom opening bucket and a mounting mechanism arranged on the face, away from the bucket, of the bottom opening bucket. The connecting mechanism is used for connecting the iron chain and the mounting mechanism; the mounting mechanism comprises a mounting rod arranged on the bottom open hopper, a mounting block connected with the mounting rod, a sliding block arranged in the mounting block and a force application mechanism arranged between the sliding block and the mounting block. The electric shovel has the effects of reducing abrasion of the electric shovel and saving the maintenance cost.
Owner:SHAANXI SHENYAN COAL CO LTD

Integrated multi-stage shunting cooling plate

The utility model discloses an integrated multistage shunting cooling plate which comprises a pipe nozzle, flat pipes and a plurality of collecting pipes, the upper collecting pipe is communicated with the lower collecting pipe through the flat pipes, after heat conducting structural adhesive is added on the flat pipes, a double-layer battery cell can be cooled, compared with a cold plate, a temperature equalizing plate is omitted, the weight is reduced by 3kg, the flat pipes are arranged in parallel, and the heat conducting structural adhesive is added on the flat pipes. An inlet and an outlet are formed in the pipe nozzle, the axis of the inlet and the axis of the outlet are parallel, the inlet and the outlet are integrated on the pipe nozzle on the same side, sealing rings are arranged on the inlet and the outlet respectively, the sealing performance of connection with a system pipeline is guaranteed through the design of the sealing rings on the pipe nozzle, the inlet and the outlet are integrated on the same pipe nozzle, and the structure is optimized. According to the cooling plate structure, the cooling uniformity is improved, the structural integration degree is enhanced, the whole plate is light, and the efficiency and adaptability of a power battery thermal management system are remarkably improved.
Owner:YUXIN MACHINRY