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1124results about How to "Save human effort" patented technology

River channel self-adaptive desilting system and method based on intelligent water level sensing

ActiveCN121956598AAccurately restore designed water passing capacityImprove the accuracy of dredging operationsWater resource protectionAdaptive controlSensing dataTerrain
The invention relates to the technical field of riverway desilting, in particular to a riverway self-adaptive desilting system and method based on intelligent water level perception, and the method is executed by a central control unit and comprises the four steps of model construction and benchmark calibration, real-time monitoring and siltation diagnosis, precise survey and operation planning and closed-loop execution and model synchronization. The system comprises a central control unit, a water level intelligent sensing array, terrain scanning equipment and dredging machinery, according to the method, the three-dimensional digital riverbed model is constructed, the sedimentation state is dynamically judged in combination with the water level sensing data, an accurate desilting operation scheme is generated, and operation closed-loop control is achieved. According to the method, navigation and ecological riverway dredging requirements are considered, the dredging precision and automation level are improved, the operation cost is reduced, intelligent transformation of riverway management is promoted, and an efficient solution is provided for long-acting treatment of the riverway.
Owner:FUJIAN UNIV OF TECH ENG DESIGN CO LTD +2

Granulator integrated with permanent magnet motor

ActiveCN224057310UGuaranteed operational stabilityFrequency is smallGranulation by pressingGrain treatmentsElectric machineryPermanent magnet motor
The utility model provides a granulator integrated with a permanent magnet motor, which comprises a granulation mechanism used for extrusion molding, the permanent magnet motor in driving connection with the granulation mechanism, a lower feeding mechanism connected with the granulation mechanism, and an upper feeding mechanism communicated with the lower feeding mechanism, the lower feeding mechanism and the upper feeding mechanism are connected in a closed mode. According to the granulator integrated with the permanent magnet motor, the technical problem of how to reduce the energy consumption of biological granulation is solved, the permanent magnet motor is adopted, and the interior of the rotor is hollow, so that the stability of a system is favorably improved; and meanwhile, an automatic feeding function is designed, so that manpower and cost are saved.
Owner:JINAN TAICHANG TRANSMISSION MASCH CO LTD

Temporary fixed bearing of a cable-stayed bridge

ActiveCN224494853Usave human effortsave money
The application relates to a temporary consolidation support of a cable-stayed bridge, which comprises a main body, two spaced main steel plates and a concrete pouring body; the concrete pouring body comprises reinforcing members and poured concrete, and the two ends of the reinforcing members are connected with the main steel plates respectively; the edges of the main steel plates extend to the outside of the concrete pouring body to form wing parts, and first through holes are arranged on the wing parts; an auxiliary connecting member comprises an auxiliary steel plate and a pre-buried rod; second through holes are arranged on the auxiliary steel plate, the auxiliary steel plate is connected with the pre-buried rod, and a threaded sleeve is connected to the side of the auxiliary steel plate which faces the pre-buried rod; the two ends of the main body are respectively provided with the auxiliary connecting members; and connecting bolts are screwed into the threaded sleeves after passing through the first through holes and the second through holes. The application makes the dismounting process of the temporary consolidation support simple and convenient, and reduces the manpower, material resources, financial resources and time required for dismounting the temporary consolidation support.
Owner:CHINA RAILWAY FIFTH GROUP SECOND ENGINEERING CO LTD +1

1af metering tank gas regulator adjustment device and method

The present application relates to the technical field of spent fuel reprocessing, in particular to a 1AF metering tank gas damper adjusting device and method, the 1AF metering tank gas damper adjusting device comprising a fixed rack and a plurality of stirring mechanisms, the fixed rack being arranged directly above the 1AF metering tank, and the stirring mechanisms being movably arranged on one side of the fixed rack close to the 1AF metering tank. Through the adjustment of the fixed rack and the stirring mechanisms, the horizontal position and the vertical position of the stirring mechanisms can be quickly adjusted, and then the stirring effect of the gas damper in the 1AF metering tank with different number and arrangement position of the gas damper can be tested, so that the number and position arrangement of the gas damper in the 1AF metering tank can be confirmed and fixed, and the type, number and position arrangement of the stirring device in the 1AF metering tank with 1:1 scale of the commercial spent fuel reprocessing plant for the accurate metering of the 1AF liquid volume are provided with reference, the traditional fixed welding method is avoided, and the manpower, material resources and financial resources for the 1AF metering tank gas damper adjustment test are saved.
Owner:THE 404 COMPANY LIMITED CHINA NAT NUCLEAR

Small and medium span highway bridge lightweight monitoring and rapid evaluation analysis method and system

The invention provides a lightweight monitoring and rapid evaluation analysis method and system for small and medium span highway bridges. Comprising a bridge parameterization rapid input module, a vehicle load batch input module, a measuring point information arrangement module, a finite element calculation and analysis module, a batch load working condition measuring point result automatic extraction module and a cloud highway bridge structure response monitoring module. The method has the following advantages: 1, on-site appearance quality acquisition, material performance test, dynamic characteristic test and other work of the bridge are not needed, the safe traffic coefficient of the bridge can be evaluated in real time only by monitoring the dynamic deflection of the measuring point at the key section position based on the standardized structural characteristics of the small and medium span bridge, and the real-time performance of the evaluation result is realized; and 2, under any traffic flow condition, real-time dynamic verification coefficients of various types of overweight vehicles under different driving conditions and bridges can be accurately calculated, and timely safety early warning is realized, so that expenditures of a large amount of manpower, material resources and the like required by a load test are saved, and the cost is greatly reduced.
Owner:RES INST OF HIGHWAY MINIST OF TRANSPORT

An assembled connection structure of a composite wall and a composite slab

ActiveCN224281602UEasy connection and disassemblysave human effortWallsFloorsClassical mechanicsStructural engineering
This utility model discloses an assembled connection structure for a composite wall and a composite slab, including a locking block and a composite slab. The locking block is disposed on the side of the composite slab, and a slot is provided inside the locking block. A composite wall is disposed on the side of the composite slab, and a slot is provided inside the side of the composite wall. The locking block engages with the slot. An adjustment chamber is provided at one end of the slot, and a pull rod is disposed inside the adjustment chamber. An insert block is fixed to one end of the pull rod, and the insert block engages with the slot. A spring connects the side of the insert block to one end of the inner wall of the adjustment chamber. A clearance chamber is provided at one end of the adjustment chamber, and a slider is disposed in the clearance chamber. A limit block is fixed to one end of the slider, and the limit block is fixedly connected to one end of the pull rod. This utility model is easy to assemble and disassemble, saving manpower.
Owner:SUZHOU LIANGPU ENERGY-SAVING NEW MATERIAL CO LTD

Apparatus for recycling OLED materials

ActiveCN224586542UProtect physical and mental healthsave human effort
The utility model discloses a kind of recovery OLED material equipment, including closed operating cabin, material collector and dry ice injection device, closed operating cabin is equipped with closed glove port, its side is equipped with hatch, the filter chamber of material collector is equipped with high-efficiency filter and negative pressure suction device, negative pressure suction device is connected with high-efficiency filter outlet, the inlet of filter chamber is formed with the lower end outlet of closed operating cabin by connecting pipeline and detachable fixed connection;The top of closed operating cabin is equipped with air inlet, the lower portion of material collector is also equipped with material collection position, material collection position is set below high-efficiency filter;Dry ice injection device includes dry ice injection gun, dry ice storage and delivery pipeline, dry ice injection gun is connected with dry ice storage by delivery pipeline, dry ice injection gun is placed in closed operating cabin.The utility model provides recovery OLED material equipment, can be well controlled dust leakage and safety, more convenient material cleaning and collection, and will not cause harm to personnel.
Owner:HEFEI ETERNAL MATERIAL TECHNOLOGY CO LTD

Water quality standard solution titration device

ActiveCN224667725UFully automatedreduce experimental error
The utility model discloses a water quality standard solution titration device, including first container, liquid passage, solution container, water pump, control valve, flowmeter and colority detection subassembly, liquid passage is provided with two at least, and the one end of each titration tube is inserted to the above of first container, the liquid in solution container is made to flow into the liquid passage with the one end of each liquid passage away from titration tube intercommunication, water pump is communicated with liquid passage, and the liquid in solution container is dripped into first container under the drive of water pump through liquid passage and titration tube, control valve is arranged on titration tube, and colority detection subassembly is arranged above first container, water pump can drive solution to drip into first container through liquid passage and titration tube, replaces manual solution and drips into first container, realizes the automation, reduces the experimental error because of manual multiple comparison color, simplifies the operation procedure, and reduces the manual cost.
Owner:ZHONG MEI JIANG SU KAN CE SHE JI YAN JIU YUAN YOU XIAN GONG SI

An actuator and a bundling device for bundling stacked materials

ActiveCN118255001BRealize automatic strappingImprove work efficiencyActuatorWelding
The application discloses an execution mechanism for bundling and stacking materials and a bundling device. The execution mechanism comprises a head device and a relay device. The head device is used for feeding a belt around a first belt passing channel at a first corner. The relay device is used for receiving and fixing a bundling belt in the first belt passing channel and feeding the belt after receiving and fixing the end of the bundling belt in the first belt passing channel. The relay device is used for feeding the received bundling belt into a second belt passing channel around a second corner at a second corner. The head device is used for receiving the bundling belt in the second belt passing channel and tightening, welding and cutting the received bundling belt around the first corner and the second corner. The execution mechanism realizes automatic bundling of the stacking materials in multidimensional directions, has high working efficiency, saves manpower, reduces the bundling cost, and guarantees the bundling quality and the bundling effect.
Owner:JIANGYIN REDTEK PACKAGING EQUIP CO LTD

A double-sided aluminum substrate opening device

This utility model discloses a hole-opening device for a double-sided aluminum substrate, applied in the field of hole-opening device technology. It includes a base plate, a support plate fixedly connected to the bottom of a hydraulic cylinder, a hole-opening assembly at the bottom of the support plate, a placement plate slidably connected to the top of the base plate, a clamping assembly at the top of the placement plate, a connecting plate welded to the rear side of the support, a drive gear fixedly connected to the output end of a second motor, and two rotating rods rotatably connected to the front side of the vertical surface of the connecting plate via bearings. Each of the two rotating rods has a driven gear meshing with the drive gear on its surface, and a fan fixedly connected to the other end of each of the two rotating rods. This utility model, by incorporating a second motor, drive gear, rotating rods, driven gear, and fan, can reduce the temperature of the hole-opening head during the hole-opening process, thereby reducing deformation of the double-sided aluminum substrate or aging of the insulation layer, and extending the service life of the double-sided aluminum substrate.
Owner:HUNAN SANLICHENG TECH CO LTD

A dust collector air duct support

The utility model relates to the technical field of support, concretely to dust remover air pipe support, including round steel plate, the top fixed connection of round steel plate has first circular tube, the inside slide connection of first circular tube has second circular tube. The utility model reverse rotation first T shape nut, the first half circle ring support frame adjustment height is removed upwards, reverse rotation second T shape nut, adjust the height of second half circle ring support frame, hold the handle and move forward make that the card bar is separated with corresponding card groove, rotate handle drive rectangle seat rotation, make that rectangle block passes through round bar drive inclined pipe rotation, inclined pipe drive second half circle ring support frame rotation to suitable angle, place air pipe in the inside of first half circle ring support frame and second half circle ring support frame and support, need not adopt the mode of artificial manual air pipe to support, saved a lot of time and manpower, the height and inclination angle of dust cover of air pipe are conveniently adjusted, have brought great convenience for the user.
Owner:JIANGSU MEIMEITE ENG TECH CO LTD

Master data automatic governance method and system based on large model and Dores

The invention provides a main data automatic governance method and system based on a large model and Dores, and belongs to the field of data governance. The method comprises the following steps: constructing an RAG main data management knowledge base stored in Dores, and exploring multi-source heterogeneous data by utilizing federated query and MCP service of the Dores; driving an end-to-end process from main data automatic identification, asset checking, source layer modeling and data access, and main data standard model definition and gold attribute set generation by using a large language model; deep cleaning is carried out on the data by adopting a rule and AI cooperation mode, and heterogeneous data mapping and ETL task generation and arrangement are completed; finally, in combination with a graph database and an authority system, intelligent data security sharing based on dynamic desensitization is realized. According to the method, automation, intelligence and adaptive optimization of the whole process of main data management are realized, and the problems of dependence on manpower, low efficiency, incomplete coverage and insufficient safety compliance of a traditional scheme are solved.
Owner:南京中孚信息技术有限公司

An automatic feeding device for free-range chickens

ActiveCN111972319BImprove meat qualityAchieve quantitative feedingAvicultureTaming and training devices
This invention discloses an automatic feeding device for free-range chickens. It utilizes the chickens' natural instinct to seek food, feeding them at set times via a feeder that circulates along a predetermined track, thus driving continuous movement and improving the meat quality. The device is characterized by a feed bin located directly above the track, with power units positioned near the bottom at both ends. Each power unit has wheels at both ends, which are in contact with the sides of the track. The feed bin consists of an upper and lower section. The upper section is hollow, while the lower section contains a storage slot where a battery pack is placed. A flow divider is located within the upper section, extending downwards to connect with the top of the lower section. The flow divider's thickness increases from top to bottom. A control box is positioned on top of the power units and is fixed to the feed bin. A feeding hopper is located at the opening of the feed bin and is connected to the interior of the feed bin.
Owner:王元夫

Automatic pin press-fitting device and system

ActiveCN224169184UGuaranteed to be installed in placeGuaranteed verticalityMetal working apparatusRobot handProcess engineering
The utility model relates to an automatic pin press-fitting device and system. The automatic pin press-fitting device comprises a workpiece transferring tool, a first pin receiving tool, a second pin receiving tool and a press-fitting tool. The pin press-fitting tool has the advantages that the press-fitting tool adopts a single-shaft manipulator (namely a third vertical movement mechanism) for automatic assembly, so that the perpendicularity and height of pin press-fitting are ensured, and the consistency of product assembly is ensured; the press-fitting work is automatically pressed through a servo press, and pressure and displacement intervals can be set, so that high-precision press-fitting of products is realized, and the press-fitting yield of the products is improved; the installation efficiency is high, it is ensured that the first pin and the second pin are installed in place, and the problem that the product is crushed due to overlarge pressure is avoided; manpower participation is reduced, and the production efficiency is improved.
Owner:SHANGHAI YUANFEI INTELLIGENT TECH CO LTD

Olive cultivation device

ActiveCN224219064Uquick gripAvoid the situation where one person is correcting and cultivating the soilForestryAgricultural engineeringStructural engineering
The utility model belongs to the technical field of agriculture, and discloses an olive cultivation device which comprises a shell, a driving assembly is arranged on one side of the shell, a connecting assembly is fixedly connected to one side of the driving assembly, a limiting assembly is arranged on the surface of the connecting assembly, the limiting assembly comprises a limiting block, and the limiting block is fixedly connected with the driving assembly. A connecting rope is arranged on one side of the limiting block, and a rocker is movably connected to the side, away from the driving assembly, of the shell. Through cooperation of the connecting assembly and the limiting assembly, the first pneumatic cylinder drives the clamping unit to move to the position close to an olive sapling, the second pneumatic cylinder drives the second clamping plate to move to the position close to the first clamping plate, and therefore the sapling is rapidly clamped, and a rocker is rotated to loosen a connecting rope; the limiting blocks are pulled, so that the limiting blocks without saplings can be bent and fall out of the surface of the shell, the next sapling is located on the edge of the shell, and the effects of reducing manpower and saving the planting cost are achieved.
Owner:OLIVE RES INST OF LONGNAN ECONOMIC FOREST RES INST

Dust removal mechanism for polymer soft package cell welding hot-pressing short circuit measurement station

The utility model discloses a dust removal mechanism for a polymer soft package battery cell welding hot-pressing short circuit measuring station, which comprises a mounting base plate, a hot-pressing plate assembly, a tab supporting plate and a negative pressure mechanism, the hot-pressing plate assembly is arranged on the upper surface of the mounting base plate, and the upper surface of the hot-pressing plate assembly is a supporting surface for placing a battery cell to be subjected to hot-pressing; the tab supporting plate is arranged on the side edge of the side where a tab of a to-be-hot-pressed battery cell placed on the corresponding supporting face of the mounting base plate and the hot pressing plate assembly is located, and the negative pressure mechanism is arranged on the side edge, opposite to the tab supporting plate, of the hot pressing plate assembly and the mounting base plate and is provided with a dust suction opening located above the supporting face. And the dust suction port is over against the tail part of the to-be-hot-pressed battery cell placed on the supporting surface. The pollution to the battery caused by dust attached to the hot pressing plate assembly and adhered to the surface of the subsequent battery cell is reduced, and the problems of potential safety hazard and poor k value of the battery cell caused by the dust are reduced. And the structure is simple, manual dust collection treatment is not needed, and practicability is high.
Owner:TAIDING NEW ENERGY (ZHEJIANG) CO LTD

Germination accelerating and seedling raising device for rice breeding

The utility model relates to the technical field of rice breeding, in particular to a germination accelerating and seedling raising device for rice breeding, which comprises a mounting frame, a placing frame, a sliding block, a mounting frame, a seedling raising frame, a connecting plate, a buckling groove, a movable plate and a buckling column, multiple sets of placing frames are sequentially installed in the installation frame from top to bottom, sliding blocks slidably connected with the installation frame are installed at the rear ends of the two sides of the placing frames, and multiple sets of seedling raising frames used for placing rice seedlings are arranged in the placing frames in a buckled mode; according to the seedling raising device, the placement frame can easily slide in the mounting frame through the design of the sliding blocks, meanwhile, the pulling plates, the buckling columns and other assemblies are arranged, a user can conveniently and rapidly fold or disassemble the seedling raising frames, and the seedling raising device is convenient to use and high in practicability. Through the design of the buckling grooves, multiple groups of seedling raising frames can be conveniently connected together or detached for checking, and the growth condition of each group of rice seedlings can be conveniently managed and observed.
Owner:GUANGDONG LINJIA FANXIANG AGRICULTURAL TECHNOLOGY CO LTD +1

A comb plate for a double-toothed roller crusher

This application relates to the field of crusher structural components, and in particular to a comb plate for a double-toothed roller crusher, comprising a body, an adjusting component, a mounting base, bolts, and nuts. The body has a lifting hole, and the mounting base is installed at one end of the body, having a first threaded hole. The adjusting component is installed at the end of the mounting base opposite to the body, having a second threaded hole. The bolt passes through the first and second threaded holes sequentially and is threadedly connected to the nut. This application facilitates the disassembly and installation of the comb plate, saving manpower.
Owner:TANGSHAN TIANHE TECH DEV

Automatic transplanting equipment for garden engineering

The application discloses a kind of automatic transplanting equipment for landscape engineering, and it relates to the technical field of transplanting equipment.The application includes: positioning ring, the positioning ring includes the fixing member detachably clamped on the trunk, and the fixing member is provided with openable and closable annular support rail;Positioning support, multiple and inserted in the land, the positioning support includes positioning block, two insertion rods are vertically penetrated and installed on the positioning block, the telescopic positioning rod is hinged to the positioning block, the movable end of the telescopic positioning rod is detachably inserted with the side surface of annular support rail, the support plate is hinged to the positioning block and arranged horizontally, the upper surface of the support plate is detachably connected with arc-shaped slide rail, and the arc-shaped slide rails on multiple support plates are spliced into a circular ring.The application realizes the convenient transportation and use of transplanting equipment by the assembly component, and automatically cuts soil ball without manual shovel, saves manpower and improves efficiency.
Owner:济宁市市政园林养护中心

Passing string controller

The application provides a transmission rope controller, which comprises a pulley block and a woven rope arranged on the pulley block, the pulley block comprises a fixing frame, a first connecting shaft and two pulleys, the fixing frame is used for being fixed to a tower body, a driving mechanism is arranged on the fixing frame, the driving mechanism has a rotating part, the first connecting shaft is rotationally connected to the fixing frame through a first rotating shaft, the axial direction of the first rotating shaft is perpendicular to the axial direction of the first connecting shaft, and the first rotating shaft is coaxially connected with the rotating part, the two pulleys are rotationally connected to opposite ends of the first connecting shaft, the axial direction of the pulleys is parallel to the axial direction of the first rotating shaft, and the transmission rope controller further comprises a pull rope assembly arranged on a traction section of the woven rope, and the pull rope assembly has a limiting hole for the tail section of the woven rope to penetrate. The transmission rope controller provided by the application adjusts the spacing between the traction section and the tail section through the driving mechanism, so that the safety accidents caused by tool falling are prevented.
Owner:STATE GRID HEBEI ELECTRIC POWER CO LTD +2

Intelligent control type screw opening and closing machine

The utility model discloses an intelligent control type screw rod hoist, including hoist body, gate mounting seat and friction disc, the gate mounting seat is provided with the gate body in, the top of gate body is provided with crossbeam, be provided with with hoist body cooperation's hoist body on crossbeam, be provided with the bottom plate on crossbeam, be provided with lead screw on the bottom plate, be provided with slider movable left and right on the lead screw, be provided with third motor on the slider, third motor is provided with with the hand wheel cooperation's friction disc on hoist body through second gear box. The utility model discloses an intelligent control type screw rod hoist, simple structure, clever design, practical function, effectively solved the hoist in prior art when the self -contained motor cannot work must need operating personnel to reach the scene through hand wheel to hoist and operate, bring certain inconvenient problem in the use process.
Owner:HEBEI ZHAZHIDU WATER CONSERVANCY MACHINERY CO LTD

sack cleaner

The utility model discloses cloth bag dust remover relates to dust remover technical field, including dust removal cylinder, the dust removal cylinder top is fixedly arranged with the air inlet pipe, the dust removal cylinder bottom is fixedly arranged with the impurity removal mouth, and the dust removal cylinder outside wall is provided with the suction mechanism, and the dust removal cylinder inside is provided with the cleaning mechanism, and the cleaning mechanism includes the air pipe, and the air pipe outer wall is fixedly arranged with L type branch pipe, and L type branch pipe upper end is fixedly arranged with the connecting pipe, and the connecting pipe bottom is fixedly arranged with cloth bag body, and the dust removal cylinder top is fixedly arranged with the motor, and L type branch pipe side end is fixedly arranged with the cleaning brush for cleaning dust removal cylinder inner wall, and the dust removal cylinder top is fixedly arranged with the pulse valve, and the output of pulse valve is fixedly arranged with the catheter. Blow out gas through a plurality of gas outlets, clean the impurities adhered to the surface of the cleaning brush, and the dust and other impurities adsorbed on the outer surface of the cloth bag body fall down through the airflow blown into the cloth bag body by the connecting pipe.
Owner:SHANDONG SIHAICHUN ENVIRONMENTAL PROTECTION ENG CO LTD

Material filling device

ActiveCN224411394UAchieve continuous non-stop operationreduce lossSolenoid valveElectrical connection
The utility model discloses a kind of material filling equipment, including conveying pipeline, three-way reversing valve, material bucket, weight sensor and controller;Conveying pipeline includes feed pipe and two discharge pipes;Three-way reversing valve is equipped with one feed inlet and two discharge ports, feed inlet connects feed pipe, two discharge ports are respectively detachably connected with corresponding discharge pipe;Material bucket includes two and is respectively arranged at the side of corresponding discharge pipe and is used to hold the material that flows out from discharge pipe;Weight sensor is arranged below material bucket, for real-time detection material bucket mass, three-way reversing valve is solenoid valve, weight sensor is electrically connected with controller, controller is electrically connected with solenoid valve;Working condition, feed inlet and feed pipe keep communication, one discharge port and corresponding discharge pipe are communicated, another discharge pipe and corresponding discharge port are closed, such design can realize continuous operation, improve work efficiency.
Owner:SHENZHEN YUANDOU TECHNOLOGY CO LTD

Automatic punching device for columnar moxibustion material

The utility model discloses an automatic punching device for columnar moxibustion material, which comprises a rack, a drilling assembly and a lifting assembly, the drilling assembly comprises a drill bit, a working table is arranged below the drill bit, a punching station is formed on the working table by arranging a front push plate and a movable baffle, and the upper part of the front push plate is connected with an upper baffle for limiting the upper side of the moxibustion material; the front push plate is connected with a first air cylinder enabling the front push plate to move front and back, the two movable baffles are connected with a second air cylinder enabling the movable baffles to move front and back, a discharging port is formed in the rear side of the punching station, and the punched moxibustion materials can be pushed to the discharging port by the front push plate and fall down from the discharging port. Automatic moxibustion material punching is achieved through downward drilling and upward resetting of the drill bit, automatic moxibustion material moving-out after punching is achieved through movement of the front push plate and the movable baffle, applicability adjustment can be conducted on layout components of the device, automatic control of the whole device is facilitated, manpower is saved, the problem of hole channel deformation is solved, and production efficiency is improved. And standardization of products is facilitated.
Owner:NANYANG BONE PHARM CO LTD

A tobacco soil loosening and film breaking device

ActiveCN224439598UFlexible adjustment of height differenceincrease rotational resistanceRotational axisAgricultural engineering
This utility model discloses a tobacco soil loosening and film breaking device, including a rotating part, a soil loosening part, and a film breaking part. The rotating part has a rotation axis. The soil loosening part is connected to the rotating part and has a soil loosening end, which is spaced apart from the rotating part along the rotation axis. The film breaking part is connected to the rotating part and is located on the side of the soil loosening part away from the rotation axis. It also has a film breaking end, which is located on the side of the soil loosening end closer to the rotating part. The film breaking end can move relative to the soil loosening end along the rotation axis and can maintain its position relative to the soil loosening end after the movement. In this solution, when loosening and breaking the film in tobacco fields of different batches or environments, the height difference between the film breaking end and the soil loosening end can be adjusted according to the required loosening depth. This ensures that when the film breaking end just penetrates the film, the insertion depth of the soil loosening end is the required loosening depth. This effectively avoids the film breaking end from inserting into the ground, which would increase the rotational resistance of the rotating part, save manpower, and improve the efficiency of the device in loosening and breaking the film.
Owner:ENSHI PREFECTURE CO OF HUBEI TOBACCO CO

An anti-overturning support device for railway engineering bridge construction

The utility model relates to related technical field of support device especially railway engineering bridge construction is with anti -overturning support device, include: the bridge pier, its top is equipped with bridge, and the top of bridge pier has the recessed hole, the first hoop and the second hoop are installed outside the bridge pier through bolt, and the bridge pier, the first hoop and the second hoop top all support the bridge through the support block of top setting, the utility model discloses adopts spring and the linkage structure of inserting block, when the hoop inserts towards the bridge pier, the inclined plane of inserting block is automatically pushed by the edge of bridge pier and is stored into the frame body, after inserting block contact recessed hole, spring releases and realizes instantaneous locking, and through the abutment of one end of inserting block and recessed hole, realize the preliminary location to the hoop, have made things convenient for the operator to install the hoop, only need to open a recessed hole on the bridge pier in the initial stage, and the cost is lower, the whole installation process does not need multiple operators repeatedly to aim, saves manpower, improves installation efficiency.
Owner:BEIJING TIECHEN ENG CONSTR SUPERVISION DEPT

A method and system for temperature compensation of a pressure sensor

The application discloses a temperature compensation method and a compensation system of a pressure sensor, and the compensation method adopts a constant current source temperature compensation circuit or a constant voltage source temperature compensation circuit to realize temperature compensation, wherein a temperature compensation resistor value in the temperature compensation circuit is searched through a multi-target particle swarm optimization algorithm, and after an output result of the compensation circuit is output, the output result is corrected through an output correction algorithm based on two-dimensional interpolation calculation. The application can reduce the difficulty of product miniaturization, reduce the production cost of the sensor, and improve the temperature compensation precision.
Owner:48TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP

Dam intake float cleaning device

ActiveCN117364718BAvoid salvage impactssave human effortWater flowStructural engineering
The application relates to the technical field of flow channel cleaning, and discloses a dam water inlet flow channel floating object cleaning device which comprises a fixing plate arranged at a dam water inlet flow channel opening, a water inlet opening is formed in the fixing plate and communicates with the dam water inlet flow channel opening, a filter plate is arranged in the water inlet opening, fixed blocking strips are fixedly installed on the filter plate, a salvage mechanism for cleaning garbage and a driving mechanism for driving the salvage mechanism to work by using water flow are arranged on the fixing plate, the salvage mechanism comprises movable rods, limiting rods, U-shaped frames and a plurality of first arc-shaped fixed strips, a plug groove and a limiting groove are formed in the upper end of the fixing plate, and the movable rods and the limiting rods are movably installed in the plug groove and the limiting groove respectively. The dam water inlet flow channel floating object cleaning device aims to solve the problems that, in the prior art, accumulated floating objects in front of a dam are cleaned by manual work, the efficiency is low, there are hidden dangers, and tree branches are easily stuck on the filter screen under the impact of water flow and are difficult to clean.
Owner:CHINA RAILWAY FIRST GRP SECOND ENG CO LTD