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349results about How to "Easy to record" patented technology

Constructional engineering measuring equipment

The invention discloses building engineering measuring equipment, which relates to the field of building construction, and comprises a movable base and a bracket fixedly mounted on the upper surface of the movable base, and further comprises a mounting frame, a movement driving mechanism and a measuring mechanism, one side of the mounting frame is connected with a movement driving mechanism used for driving the mounting frame to move in the direction perpendicular to the upper surface of the movable base; the measuring mechanism comprises a measuring assembly, a marking assembly and a triggering piece; according to the constructional engineering measuring equipment, by arranging the two contact heads which are arranged side by side, the longitudinal gradient and the transverse flatness of a wall surface can be measured, the problem that traditional measuring equipment can only measure in a single direction is solved, the comprehensiveness and the accuracy of measurement are improved, and when the wall surface is uneven, the two contact heads can move relatively, so that the measurement accuracy is improved. And the marking assembly is triggered to mark the wall surface, so that the uneven part of the wall surface is effectively marked, subsequent searching, finishing and other work are facilitated, and the efficiency of measurement work is improved.
Owner:QINGDAO JIANTONG HAOYUAN GRP CO LTD

Magnetic core surface crack detection equipment

The invention belongs to the technical field of magnetic core crack detection, and particularly relates to magnetic core surface crack detection equipment which comprises a detection box and two supporting legs arranged on the lower side wall of the detection box, and an operation panel is fixedly connected to the left side wall of the detection box. When the probe is used for detecting the rod-shaped magnetic core, impurities attached to the surface of the rod-shaped magnetic core can be automatically cleaned in the detection process, and then cracks on the surface of the rod-shaped magnetic core are detected, so that the time spent on an extra dust cleaning procedure is shortened, and the detection efficiency is improved under the condition that the workload of operators is reduced. According to the detection device, the detection accuracy of the rod-shaped magnetic core is guaranteed, the straightness of the rod-shaped magnetic core can be automatically detected while cracks on the surface of the rod-shaped magnetic core are detected through the probe, the detection result is visually displayed to an operator, the operator can conveniently record and analyze the detection result, and the use performance of the detection device is improved.
Owner:ZHONGSHAN DONGCHEN MAGNETIC ELECTRONICS PROD CO LTD

Order data processing method and device, equipment and storage medium

The invention provides an order data processing method and device, equipment and a storage medium. Relates to the technical field of data processing. The method comprises the steps of obtaining an order image in response to an order identification trigger operation of a user on a preset operation interface; performing keyword recognition processing on the order image by adopting an optical character recognition technology to obtain a plurality of keyword recognition results; according to the plurality of keyword identification results, determining an order number and order attribute information of at least one order corresponding to the order image; generating an order confirmation interface according to the order number and the order attribute information of the at least one order, and displaying the order confirmation interface; determining a target order number and target order attribute information of at least one order in response to confirmation and / or modification operation of a user on the order confirmation interface; and according to the target order number and the target order attribute information of the at least one order, updating a pre-stored order table.
Owner:CHINA CONSTRUCTION BANK +1

Cylinder inner girth welding equipment

The invention relates to the technical field of roller machining and surrounding type welding, and provides a device for welding a girth in a cylinder, which comprises a vertical guide frame, a longitudinal guide frame and a longitudinal guide frame, one side of the feeding support is of a slotting structure; the two sides of the connecting seat are respectively matched with the guide rails and are arranged in the slotting structures of the vertical guide frame and the feeding bracket in a sliding manner, and the vertical guide frame and the feeding bracket are arranged in a 90-degree staggered manner; a welding gun table is fixedly arranged at one end of the feeding support, a welding gun base is rotationally arranged outside the welding gun table, and a double-pipe welding gun is fixedly arranged outside the welding gun base. The auxiliary pressing wheel is arranged, the limiting effect is provided, the position of the barrel can be limited, it is guaranteed that the barrel can only rotate in situ, the conditions that the barrel falls off and the like can be avoided, the hexagonal shaft part of the transmission shaft can keep the transmission effect in the sliding process, and the movable T wheel can be driven at any position; the problem that existing equipment lacks a limiting effect is solved.
Owner:JIAOZUO CREATION HEAVY IND CO LTD

Gap measurement vernier filler gauge and gap measurement device

The utility model discloses a clearance measurement vernier feeler gauge which comprises a base body and a gauge body arranged on the base body, the gauge body is in a wedge shape, a vernier sliding block is arranged on the inclined face of the gauge body, a distance measuring module and a display module are arranged on the base body, the distance measuring module is arranged at the tail end of the inclined face of the gauge body and right faces the vernier sliding block, and the display module is arranged on the base body. And the display module is used for displaying the measurement result. The method has the advantages that the gap width is conveniently and rapidly detected, and the detection efficiency is improved. The utility model further provides a gap measuring device which comprises the two gap measuring vernier feeler gauges and the connecting piece, and the bottoms of the two gap measuring vernier feeler gauges are connected with each other.
Owner:NANJING SPECIAL EQUIP SAFETY SUPERVISION & INSPECTION INST

Water level monitoring device for intelligent water conservancy

The water level monitoring device comprises a base, an adjusting mechanism is arranged at the top of the base, an auxiliary assembly is arranged on the surface of the adjusting mechanism, a water level monitoring assembly is connected to the end, away from the adjusting mechanism, of the auxiliary assembly, and a protection mechanism is arranged outside the water level monitoring assembly; the protection mechanism comprises a limiting ring frame, the limiting ring frame is arranged on the outer side of the water level monitoring assembly, and the bottom of the limiting ring frame is fixedly connected with a hollowed-out protection cylinder. According to the water level monitoring device for the intelligent water conservancy, the hollowed-out protection cylinder is arranged outside the water level monitoring assembly, so that water flow fluctuation is effectively weakened, damage to the water level monitoring assembly caused by direct striking of torrential water flow to the water level monitoring assembly is avoided, and meanwhile the influence of water flow fluctuation on water level monitoring data is reduced; a clamping frame is matched with a limiting bolt, so that a limiting ring frame and a hollow protection barrel can be adjusted and mounted to different heights outside the water level monitoring assembly, the height of a floating ball is conveniently adapted, and the practicability is improved.
Owner:JIANGSU LUOYUN WATER CONSERVANCY PROJECT MANAGEMENT OFFICE

An integrated calibration device for Rockwell hardness tester and its working method

ActiveCN113358507BEasy to recordSimplify the stepsInvestigating material hardness
The present invention discloses an integrated calibration device and working method of a Rockwell hardness tester, which belongs to the field of hardness tester detection technology, including a Rockwell hardness tester body, a top connection block, a force sensor, a connector, a hardness tester indenter, a displacement sensor, a data output device and a data transmission line; wherein the force sensor captures and obtains the force value loaded on the hardness tester; the displacement sensor can synchronously obtain the distance the hardness tester indenter falls during the pressing process of the hardness tester indenter; the data output device can select the scale corresponding to the hardness tester, record and store data, and generate raw detection data, which can be connected to a certificate system to generate a calibration certificate. The integrated calibration device of the Rockwell hardness tester of the present invention adopts an integrated design to reduce the error caused by human operation, the linear accuracy of the displacement is better than 0.2μm, and the accuracy of the force sensor is 0.3 or above; and it has high stability and long service life, and can replace traditional calibration equipment and methods.
Owner:WUXI INSPECTION TESTING & CERTIFICATION INST

Manual detection device for breaking force of welding point of steel cord

The invention relates to the field of steel cord detection equipment, in particular to a manual detection device for the breaking force of a welding point of a steel cord. Comprising a workbench, a positioning sliding rail, a sliding buckle plate, a bearing box, a tension meter, a first clamping jaw, a connecting strip plate, a second clamping jaw, a supporting vertical plate, a positioning long box, a recording plate, limiting teeth, a marking pen, a locking insertion plate, a power mechanism used for driving the bearing box to move and a brake mechanism used for limiting movement of the bearing box, wherein the marking pen and the locking insertion plate are symmetrically arranged in the bearing box in a sliding mode. The power mechanism is provided with a pulling output end, the pulling output end is connected with the bearing box, the brake mechanism is provided with a transverse moving output end, the transverse moving output end is used for driving the locking insertion plate and the marking pen to stretch out or retract, and the first clamping jaw and the second clamping jaw are used for clamping a steel cord body. And the efficiency of detection work is improved.
Owner:山东大业新材料有限公司

Testing device convenient for observing soil loosening effect of fertilizer

The utility model relates to a test device convenient for observing the soil loosening effect of a fertilizer. Comprising at least one cylinder used for containing fertilizer and soil and a detachable funnel screen piece matched with an opening in the top of the cylinder. The detachable upper barrel cover is matched with the opening in the top of the barrel body; the cylinder body is made of a transparent material, and scales convenient for observation are arranged on the outer surface of the transparent cylinder body; the device has the advantages that the change of a flocculation aggregate structure in the soil falling process can be directly observed, meanwhile, the soil porosity can be analyzed by observing the height of a soil column, and the device is reasonable in design, easy to clean and convenient to carry.
Owner:HENAN XINLIANXIN FERTILIZER

Intelligent grid fault management decision-making system based on large model

The invention discloses a grid fault intelligent management decision-making system based on a large model, and relates to the technical field of grid fault decision-making, and the system comprises a closing data detection module which is used for obtaining an electrical value, obtaining an equipment value, obtaining a hardware safety coefficient through the electrical value and the equipment value, obtaining a personnel risk value, and obtaining an execution value; obtaining a personnel safety coefficient through the personnel risk value and the execution value; the guarantee coefficient is obtained by combining the state of the electrical equipment and the condition of the maintenance personnel, and whether closing is carried out is judged through the guarantee coefficient and the preset threshold value of the guarantee coefficient, so that the safety risk after closing is comprehensively judged, and then risk assessment is conveniently given to management personnel before closing execution; therefore, decision-making assistance can be conveniently carried out on the closing operation of the management personnel, the data of each closing decision can be conveniently recorded by establishing the risk closing database, and the decision-making system can conveniently carry out decision-making optimization and adjustment according to historical data.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD

Glass fiber filament flying and breaking early warning and disposal method based on AI visual analysis

The invention relates to the technical field of AI visual detection, and discloses a glass fiber filament flying and breaking early warning and disposal method based on AI visual analysis, which comprises the following steps: collecting a normal operation video of a coil base, processing the video according to frames to form a plurality of pictures, manually marking the pictures containing broken filaments, and training a model by using the marked pictures to obtain a broken filament early warning and disposal result; the coil base is detected in real time through the model, when it is detected that the number of broken wires reaches a threshold value, the audible and visual alarm of the coil base where the broken wires are located is started, alarm information of the coil base where the broken wires are located is obtained, the alarm information is processed through a definition rule, a hexadecimal instruction is generated, and the instruction is sent to a corresponding worker. And meanwhile, the work number information of the worker is judged through an optical character recognition model.
Owner:SHANDONG FIBERGLASS GRP +2

Modularized communication tester

The utility model discloses a modularized communication tester, which belongs to the technical field of communication testers, and comprises a protective shell, one side of the inner wall of the protective shell is fixedly connected with a processor, one side of the protective shell is provided with a display screen, one side of the protective shell is provided with a heat dissipation port, and the other side of the protective shell is provided with a ventilation port. The beneficial effects are that by arranging the handle, the telescopic rod, the supporting seat and the supporting column, placement and supporting can be conveniently carried out when the device is used at different positions, operation of a worker is facilitated, by arranging the wire arranging opening and the wire bunching frame, clamping and limiting can be conveniently carried out on redundant circuits, and distinguishing is convenient; tools can be conveniently placed for cooperation during use, ventilation and heat dissipation can be conveniently carried out during use by arranging a heat dissipation opening, a ventilation opening, a motor, fan blades and the like, and dehumidification and moisture prevention can be conveniently carried out in the protective shell by arranging a placing frame, a drying agent and an access hole.
Owner:NINGBO AIODI INTERCONNECTION TECH CO LTD

Measuring cup for vomiting of bedridden patient

The utility model relates to the technical field of clinical nursing, and discloses a bedridden patient vomit measuring cup which comprises a measuring cup body, scale marks are arranged on one side of the measuring cup body, an L-shaped clamping piece is fixedly connected to the side, away from the scale marks, of the measuring cup body, and a cup cover is connected to one side of a cup opening of the measuring cup body. One side of the cup cover is connected with a rotating assembly, the other side of the rotating assembly is connected with the metering cup body, the side, away from the rotating assembly, of the metering cup body is connected with a clamping assembly, the other side of the clamping assembly is connected with the cup cover, and the outer wall of the metering cup body is fixedly connected with two symmetrically-arranged cup handles. According to the vomiting measuring cup for the bedridden patient, the measuring cup is clamped beside a sickbed used by the patient through the L-shaped clamping plate, when the patient feels vomiting, the patient can vomit into the measuring device only by slightly leaning to one side or deviating the head, the vomiting amount of the patient can be observed in time through the scale marks on the measuring device, and medical staff can conveniently record the illness state of the patient.
Owner:SUN YAT SEN UNIVERSITY CANCER CENTER (CANCER HOSPITAL AFFILIATED TO SUN YAT SEN UNIVERSITY CANCER RESEARCH INSTITUTE OF SUN YAT SEN UNIVERSITY)

In-box humidity monitoring device

ActiveCN222597352Uachieve installationVarious installation methodsMoisture distributionControl engineering
The utility model provides an in-box humidity monitoring device, belongs to the technical field of electrical control equipment, and aims to solve the problem that the detection effect of a humidity detector is affected by non-uniform moisture distribution in an equipment control cabinet due to the fact that the existing equipment control cabinet is divided into more spaces. Comprising a monitor main body, a mounting driving lead screw, a detection driving motor, a humidity detection probe, a detection mounting mechanism and a detection auxiliary mechanism, the installation limiting plates are fixedly connected to the left side and the right side of the monitor body respectively. The installation driving lead screws are rotationally connected to the inner sides of the installation limiting plates correspondingly. The detection driving motor is fixedly connected to the upper end of the interior of the monitor main body; the detection connecting line is fixedly connected to the upper part of the monitor main body; the humidity detection probe is fixedly connected to the front end of the detection connecting line; the detection mounting mechanism is arranged on the outer side of the monitor main body; and the detection auxiliary mechanism is arranged above the monitor main body, so that the accuracy of a detection result is ensured.
Owner:LONGI OPTICAL SORTING CO LTD

Detection jig for metal powder injection molding product

The invention belongs to the technical field of metal powder injection molding, and particularly relates to a metal powder injection molding product detection jig which comprises a bottom frame and two supporting frames arranged on the upper side wall of the bottom frame, a control box is fixedly connected to the right side wall of the supporting frame located on the right side, and a PLC is arranged in the control box. When the metal powder injection molding product is detected, a large number of detection points can be automatically selected for detection according to the size of the product, and more detection data can be obtained by greatly increasing the detection points of the product, so that the accuracy of product result detection is improved, and the detection efficiency is improved. And when the metal powder injection molding product is detected, after a defective area is detected, the defective position can be automatically classified and marked according to the defect type, so that an operator can conveniently record and analyze the defective position of the product subsequently.
Owner:BO LUO HE SHI MOLD MFG CO

Cell liquid leakage detection circuit and method

The invention provides a battery cell liquid leakage detection circuit and method.The circuit comprises a water leakage detection rope, the water leakage detection rope comprises a spiral frame and two conductive cores, and the two conductive cores are attached to the two sides of the spiral frame and are insulated and blocked by the spiral frame in the normal state; the water leakage detection rope is used for forming a low-resistance path between the two conductive cores when the water leakage detection rope is in contact with electrolyte of battery core leakage; and the controller is connected with the water leakage detection rope and is used for monitoring the change of the resistance between the conductive cores of the water leakage detection rope and triggering an alarm signal when the change of the resistance reaches a set threshold value. Safety risks caused by battery faults can be effectively prevented, and the reliability and safety of a battery system are improved.
Owner:弘正储能(上海)能源科技有限公司

Die damage detection device

The invention, which relates to the technical field of mold damage detection, discloses a mold damage detection apparatus comprising a bottom plate and an adjusting detection unit. A top frame is arranged on the top surface of the bottom plate, a controller is arranged on the front side of the top surface of the bottom plate, and a fixing unit is fixed to the top surface of the bottom plate; the adjusting and detecting unit comprises two electric telescopic rods, a main motor, a connecting disc, a supporting frame, an adjusting block, a screw rod, an auxiliary motor and an electric push rod, the two electric telescopic rods are fixed to the top face of the top frame in a left-right corresponding mode, and the bottom ends of the electric telescopic rods are connected with one side of the top face of the connecting disc. The adjustable probe frame is matched with the spring to enable the detection probe to be attached to different positions in the mold, the damage position of the mold can be detected by starting the ultrasonic defect detector, and the damage position of the mold can be photographed by the industrial camera, so that personnel can further identify and check the damage position conveniently, and the detection efficiency is improved. The accuracy of current damage detection is improved.
Owner:GUANGDONG XINGFA ALUMINUM +5

Instrument for rapidly measuring and calculating whole-process indexes

The utility model discloses an instrument for rapidly measuring and calculating whole-process indexes, and relates to the technical field of engineering cost. The device comprises a body, a protection assembly is arranged on the side wall of the body, one side wall of a protection cover in the protection assembly makes contact with the side wall of the body, a shaft rod rotationally connected with the interior of a damping bearing in interference connection with the other side wall of the protection cover is cylindrical, and the closed end of the shaft rod is fixedly connected with the side wall of the body. A movable block is fixedly connected to the end of a reset spring sleeved with the shaft rod, and a positioning rod fixedly connected to the side wall, away from the reset spring, of the movable block is in an L shape. And paper limiting assemblies are symmetrically arranged on the other side wall of the protective cover up and down. The step of adjusting the position of the protective cover is effectively simplified through the arranged protective assembly, the position of the protective cover can be conveniently and rapidly adjusted, related data of the engineering cost can be conveniently recorded through paper through the arranged paper limiting assembly, and loss of related information of the engineering cost is effectively avoided.
Owner:XINJIANG GUOEN ENG MANAGEMENT CO LTD

Workstation capacity monitoring system

The invention provides a work station productivity monitoring system. The work station productivity monitoring system comprises at least one work station and a back-end server, wherein the work station comprises a machine table, a work reporting module and an input module, one communication interface of the work reporting module is electrically connected with the input module, and the other communication interface of the work reporting module is connected with the communication interface of the back-end server through a local area network; therefore, when the machine outputs an object, a signal correspondingly generated by the input module is transmitted to the back-end server. The rear-end server further comprises a processing unit and a storage unit, the processing unit is electrically connected to the storage unit and the rear-end server, and the processing unit operates an analysis program in the storage unit to process the received signal and output a target result of the work station. The work station capacity monitoring system provided by the invention is convenient for deploying and recording production line resources, and can realize real-time change of a back-end server to a command.
Owner:KUNSHAN SHANGNISI ELECTRONICS TECH CO LTD

Egg laying box for breeding

The utility model discloses an egg laying box for breeding in the technical field of egg laying boxes, which comprises a closed egg laying box body, a top cover of the egg laying box body is provided with a skylight and a side window, and the outer side of each egg laying chamber is provided with an isolation door capable of being turned over inwards to be opened. The step plates can be separately clamped in the clamping grooves between any adjacent clamping tables, a temperature sensor is arranged in each egg laying chamber, the temperature can be detected in time, an independent egg laying chamber can be provided for each hen, the multiple egg laying chambers are integrated in one egg laying box body, a large number of egg laying chambers are effectively arranged in a small space, and the egg laying efficiency is improved. The ventilation openings are formed in the outer side and the top of the egg laying box body, air circulation of the egg laying chamber in the egg laying box body is facilitated, the interior of the egg laying chamber is effectively cooled, stress of hens caused by high temperature is avoided, the isolation door is additionally arranged, the hens cannot open the isolation door again after the isolation door is closed, laid eggs can be isolated, and tracing of family information of the eggs is facilitated.
Owner:FUJIAN SHENGZE BIOLOGICAL TECH DEV CO LTD

A solenoid valve life test bench that is easy to fix

ActiveCN224286353Ufast fasteningspeed up testingMachine part testingSolenoid valveClassical mechanics
This utility model relates to the field of solenoid valve testing technology and discloses a solenoid valve life test bench that is easy to fix. It includes a bench body, a vertical plate fixedly mounted on the upper end of the bench body, a groove formed at the upper end of the vertical plate, a movable component slidably mounted inside the groove, and a mounting groove formed at the upper end of the movable component. A test probe connected to a multimeter is mounted inside the mounting groove. A placement plate is fixedly mounted on the upper end of the bench body, and a fastening structure is provided on the upper end of the placement plate. The fastening structure includes a fastening seat fixedly mounted on the upper end of the placement plate, a fixing plate fixedly mounted on the rear side of the upper end of the fastening seat, a movable rod movably mounted inside the front end of the fastening seat, a movable plate fixedly mounted on the rear end of the movable rod, and a spring mounted on the outer wall of the movable rod. A solenoid valve body is positioned between the movable plate and the fixing plate. This utility model discloses a solenoid valve life test bench that is easy to fix, which can speed up the fastening of the solenoid valve and accelerate the energization test of the solenoid valve.
Owner:NANJING TESTECH TECH

Two-way curved arch bridge main arch ring bottom surface disease distribution diagram drawing method

The invention discloses a method for drawing a bottom surface disease distribution diagram of a main arch ring of a two-way curved arch bridge. According to the method, arch rib and arch wave numbers, an arch rib local coordinate system, an arch wave local coordinate system, a disease position recording standard, an overall coordinate system, an arch rib disease position description standard, an arch wave disease position description standard and a disease pattern drawing standard are included. On one hand, a set of independent local coordinate system based on a horizontal projection plane is established for each arch rib and arch wave of the main arch ring of the two-way curved arch bridge, on the other hand, a three-dimensional curved surface is expanded into a two-dimensional curved surface along the bridge direction and the transverse bridge direction, and an overall coordinate system reflecting the actual size of the main arch ring is established; local disease coordinates are reflected in the actual position of the main arch ring of the two-way curved arch bridge through coordinate conversion, and accurate disease drawing of the complex three-dimensional curved surface of the main arch ring of the two-way curved arch bridge is achieved.
Owner:SHANXI JIAOKE INFORMATION SYST ENG CO LTD +3

Stoma drainage bag

The stoma drainage bag comprises a bag body, an opening for stoma excrement to flow in is formed in the upper side of the bag body, and scale marks are arranged on the outer surface of the bag body; an exhaust port is further formed in the upper side of the bag body, an exhaust pipe is arranged at the exhaust port, a partition plate is arranged in the exhaust pipe, a plurality of first through holes are evenly formed in the partition plate, the bag body is communicated with the outside through the first through holes, an adjusting plate is rotationally connected into the exhaust pipe, and a communicating part for communicating the first through holes and a shielding part for shielding the first through holes are arranged on the adjusting plate; an adsorption assembly used for adsorbing peculiar smell is further detachably connected into the exhaust pipe. The scale marks are arranged, so that the excretion amount can be conveniently recorded; by arranging the adsorption assembly at the exhaust port, peculiar smell in the gas can be adsorbed during exhaust, and the problem that the gas cannot be directly exhausted is solved.
Owner:重庆市沙坪坝区人民医院

Coal mine hydrogeological exploration device

The utility model discloses a kind of coal mine hydrogeology exploration devices, belong to hydrological exploration field, including installation pipe, the bottom of installation pipe is fixedly connected with a plurality of annularly arranged fixed sheets, the top of installation pipe is fixedly connected with fixed plate, fixed plate is provided with mounting mechanism, fixed mechanism is installed in the inside of installation pipe, and fixed mechanism includes limit ring and mounting ring. Advantageous effects are that: fixed mechanism, exploration mechanism and recording mechanism are set, the setting of movable rod and movable disc cooperation floating ball is installed between limit ring and mounting ring, water level height and water flow direction are reflected on recording paper by a plurality of graphite heads on connecting disc, staff can quickly understand water level height and water flow direction and change range by observing trace on recording paper, improve the convenience of water temperature address exploration, and facilitate data recording.
Owner:TIEFA COAL IND (GRP) CO LTD XIAOKANG COAL MINE

A device for testing the performance of a building waterproofing material

ActiveCN224594421UCheck authenticityImprove sealingWater storageFixed frame
The utility model belongs to waterproof material performance test technical field especially, it is related to a kind of building waterproof material performance testing device, including support frame, the support frame is used to support whole testing device, the upper left of support frame is fixedly installed with controller, and controller includes central control module, data acquisition processing module and touch control display module;Water storage bucket, the water storage bucket includes upper shell, lower shell and the middle part communication pipe between both, and the middle part of communication pipe is installed with electromagnetic valve electrically connected with controller, the bottom end of water storage bucket is detachably installed with test assembly, and the bottom end outer wall of water storage bucket is equipped with positioning assembly;Fixed frame, the fixed frame is fixedly installed in the top of support frame, and the middle part position of fixed frame is fixedly installed with electric push rod electrically connected with controller.The data obtained by the utility model are more accurate, and the real performance of waterproof material can be detected.
Owner:BEIJING ZHONGDA TIANLI INTERNATIONAL CONSTRUCTION ENGINEERING CO LTD

Combined optical experiment box teaching aid

The utility model provides a combined optical experiment box teaching aid. The combined optical experiment box teaching aid is composed of a box body, three drawers capable of being drawn out completely are arranged in the box body and correspond to teaching aids of light reflection, light three-primary color and dispersion and light refraction respectively, and an experiment board is arranged at the top of the box body and corresponds to a light linear propagation teaching aid. According to the teaching aid, experiments of linear propagation of light, reflection of light, refraction of light, three primary colors and dispersion of light and the like are integrated in one experiment box through modular design, and the problems that an existing optical teaching aid is poor in integration, insufficient in light path visualization, complex in operation, poor in portability and the like are solved. The teaching aid has the advantages of simplicity and convenience in operation, clear light path, high interactivity and the like, is suitable for classroom teaching and autonomous exploration of students, and contributes to improving the teaching effect and the scientific literacy of the students.
Owner:HUNAN UNIV OF SCI & TECH