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145results about How to "easy to observe" patented technology

Visual soil freeze-thawing process test apparatus

The invention relates to a visual soil freeze-thawing process test apparatus. A temperature control box is connected with an external compressor, a semi-cylindrical sample tank is placed on a temperature control baseboard in the temperature control box, the temperature control baseboard is carved with a groove, the groove is provided with a sealing ring in contact with the semi-cylindrical sample tank, the temperature control baseboard is provided with holes, one of the holes is connected with a Mariotte bottle through a water guiding tube, the other of the holes is connected with a water head adjusting tube, the temperature control baseboard is provided with a filter paper and a soil sample, the top of the soil sample contacts with a temperature control top board, and the temperature control top board is provided with a handle; a displacement sensor is fixed on a bracket, and contacts with the top surface of the temperature control top board; a temperature sensor is inserted into the soil sample through a probe hole on the wall surface of the test tank, and the displacement sensor and the temperature sensor are respectively connected with a data acquisition instrument through a lead; and an adjustable light source is placed at both sides of a camera, the camera is placed at the right side of the semi-cylindrical sample tank, and the camera is connected with an electronic computer through a lead. The apparatus is used for researching the dynamic change process of the freezing rate, the moisture migration rate, the ice crystal speed, the segregated ice thickness and the frost heaving speed with time of soil in the soil freezing process, visually shows the movement of a frozen frontal surface in soil columns and the growth process of frozen fringe, and provides technical guarantee for the freezing and thawing mechanism of the soil.
Owner:NORTHWEST INST OF ECO-ENVIRONMENT & RESOURCES CAS

Otolaryngological medicine sprayer convenient to operate

InactiveCN107899125AEasy to find the patienteasy to observe
The invention discloses an otolaryngological medicine sprayer convenient to operate. The medicine sprayer comprises an outer cylinder and an injection cylinder. The injection cylinder is sleeved withthe outer cylinder, scale lines are installed on a position, located on the injection cylinder, the outer wall of the outer cylinder; the left side of the injection cylinder is communicated with a discharging pipe, and the discharging pipe is fixedly connected with the inner wall of the outer cylinder; a rubber soft pipe is communicated with the left side of the discharging pipe located on the left side of the outer cylinder, and the left side of the rubber soft pipe is communicated with an atomizing spray head. The medicine sprayer is provided with a piston cylinder and the scale lines, by observing the scale lines, the medicine applying content is accurately controlled; the medicine sprayer is provided with an LED lamp bead and a battery box, provides sufficient illumination when applying the medicine, and is convenient for medical workers to find a disease position accurately; the medicine sprayer is provided with a reset spring and a moving rod, achieves automatically supplementingmedicine liquids into the injection cylinder, and is convenient to apply the medicine many times and convenient to operate; the medicine sprayer is provided with the rubber soft pipe and a screw rod,bends the rubber soft pipe through the screw rod, adjusts the angle of the atomizing spray head, and is convenient to adjust the angle of applying the medicine.
Owner:孟洋

Roadbed deformation monitoring model device under traffic load and experimental method

ActiveCN105444731Aeasy to observeThe data is compared
The invention discloses a roadbed deformation monitoring model device under a traffic load and an experimental method, belonging to the field of traffic engineering. According to the invention, traffic loads in different speed requirements are simulated through changing of rotation speed of a rotating wheel; the volume of traffic flow is simulated through a vertical loading device; the sedimentation of a roadbed in a model box is observed with reference to scales of the model box through photography measurement equipment. In order to facilitate observation, foundation soil is layered, color powder is laid between every two layers of foundation soil, and comparison is made according to scales on tempered glass, so as to facilitate the observation for sedimentation changes of all layers. A data acquisition unit is used for acquiring data through a soil pressure cell and an acceleration sensor that are buried in the roadbed, and the acquired data can be used for dynamic response analysis on foundation soil. According to the invention, different volumes of the traffic flow of different roads are simulated according to different loading ways and rotating speeds of the wheel, the operation is simple, convenient and practical, and the defects of indoor experimental devices for simulating the traffic load at home are overcome.
Owner:HUBEI UNIV OF TECH

All-dimensional exhibition device for spatial model demonstrations

InactiveCN103927924Aeasy to observeEasy to store
The invention discloses an all-dimensional exhibition device for spatial model demonstrations, and belongs to the technical field of the spatial model demonstrations. According to the all-dimensional exhibition device, all-dimensional shooting on a model on a carrying table can be effectively achieved, and visual angles of the model can be easily exhibited. The all-dimensional exhibition device comprises the carrying table, a scissor-fork type lifting support, a locking device and a camera shooting device, the carrying table is provided with a centering wheel, an axial locating device and a belt pulley motor, the centering wheel and the axial locating device are arranged on a table top plate, the belt pulley motor is arranged on the lower portion, and a transparent disk is driven by a motor to rotate. The camera shooting lifting support comprises a rotary supporting rod, a Chau straight-line motion mechanism, a camera clamp and a camera. By means of the model exhibition device, the model located on the carrying table can be shot in an all-dimensional mode, and switching between the visual angles can be simply achieved; an image can be transmitted to a common electronic device or projected to a large screen through the camera shooting device in real time to bring convenience to observation. The all-dimensional exhibition device is mainly used for all-dimensional demonstrations of the model.
Owner:SOUTHWEST JIAOTONG UNIV

Welding device for lower end plug of guide pipe of pressurized water reactor nuclear power fuel assembly

ActiveCN103182593Aeasy to observePositioning accuracy
The invention relates to the manufacturing technical field of pressurized water reactor nuclear power fuel assemblies, and particularly discloses a welding device for a lower end plug of a guide pipe of a pressurized water reactor nuclear power fuel assembly. According to the device, a welding gun regulating mechanism is arranged in a cavity at the upper end of a welding chamber, and can regulate an electrode of a welding gun; the side wall of the welding chamber is provided with an optical projection imaging system, and the inside of the welding chamber can be observed through a sight glass; an end plug driven mechanism and a clamping mechanism are respectively arranged in two opposite side wall cavities of the welding chamber; a head end plug of a guide pipe weldment is pressed against the driven mechanism and is tightly clamped by the clamping mechanism; and the clamping mechanism, the driven mechanism and the guide pipe weldment are driven to rotate together by a rotating mechanism, and a weld seam of the end plug of the guide pipe weldment is welded. According to the device, the welding gun is designed in a split way, and a tungsten electrode is quickly replaced; the optical projection imaging system is additionally arranged on the welding chamber, and the tungsten electrode is quickly and accurately positioned; and the guide pipe weldment can be automatically controlled to be clamped, rotated and welded, the requirement of a welding process is met, and the production efficiency is improved.
Owner:CHINA NORTH NUCLEAR FUEL

Rotating disk cavitation and erosion experiment apparatus and method thereof

InactiveCN107631952Aeasy to observe
The invention discloses a rotating disk cavitation and erosion experiment apparatus and a method thereof. The rotating disk cavitation and erosion experiment apparatus comprises a water pump system, ameasure apparatus system, a rotating disk chamber, a motor system, and a water supply system, wherein the water pump system is composed of a water pump and a cycle water pump, and can supply water tothe whole experiment apparatus; the measure apparatus system is composed of an electromagnetic flowmeter, a rotating speed measuring instrument, a pressure meter and a thermometer, and is used for measuring flow, rotating speed, pressure, and temperature data of the whole apparatus; the rotating disk chamber is composed of a water inlet pipe, a drainage device, a front cover, a cavitation erosiontest disk, a choked flow grid and a motor shaft, and is a place for generating a cavitation erosion phenomenon; the motor system is composed of a motor and a control cabinet containing a frequency converter, and provides power for the experiment apparatus; and the water supply system is composed of a water collection pool and an underground reservoir, and can guarantee the normal operation of thewater system of the experiment apparatus. The rotating disk cavitation and erosion experiment apparatus is convenient for theory research for the cavitation and erosion phenomenon of a hydraulic machinery metal material in a laboratory.
Owner:HOHAI UNIV

Automatic-welding special repairing machine for train coupler knuckle

The invention provides an automatic-welding special repairing machine for a train coupler knuckle, belonging to the field of automatic welding and relating to an automatic-welding repairing device for a coupler knuckle. A welding gun is automatically adjusted according to the uneven abrasion condition of the coupler knuckle and a work piece distance is highly-precisely repaired. The automatic-welding special repairing machine is composed of a base, an upright post, a cross beam, a cross-shaped slide frame, a welding gun, a pedestal, a rotating shaft, an L-shaped bent plate, a jackscrew rod, an angle adjusting mechanism, a controller and an arc length sensor, wherein the cross beam is installed on the upright post and the cross-shaped slide frame is installed on the cross beam; the weldinggun is installed on the cross-shaped slide frame through the angle adjusting mechanism to realize up-down, left-right and front-back movements; the rotating shaft is installed on the side surface of the pedestal and the L-shaped bent plate is fixedly arranged on the pedestal; a panel of the L-shaped bent plate is provided with the jackscrew rod and is vertical to the rotating shaft; the signal output end of the controller is connected with the welding gun and the signal input end of a welding gun movement control unit; and the signal output end of the arc length sensor is connected with the signal input end of the controller. The automatic-welding special repairing machine for the train coupler knuckle is used for welding and repairing the train coupler knuckle.
Owner:张爽

Electrical equipment part assembling workbench

InactiveCN111390856AEasy to observeeasy to operate
The invention belongs to the technical field of part assembling workbenches, and particularly relates to an electrical equipment part assembling workbench. The electrical equipment part assembling workbench aims to solve the problems that when electrical equipment is subjected to part assembling, bottom mounting is inconvenient due to the large size of the electrical equipment, and observation isinconvenient during mounting. According to the scheme, the electrical equipment part assembling workbench comprises a table top, four symmetrically-arranged supporting legs are fixedly mounted at thebottom of the table top, a U-shaped through groove is formed in the top of the table top, two symmetrical vertical rods are slidably connected into the U-shaped through groove, one ends of the two vertical rods are fixed with the same transverse rod, an illuminating lamp is arranged at the top of the table top, the bottoms of the vertical rods are rotationally connected with two symmetrically-arranged supporting rods, and the supporting rods are in threaded connection with the table top. The electrical equipment part assembling workbench is easy to operate and convenient to use, parts at the bottom of the large electrical equipment can be quickly and conveniently assembled, observation can be conveniently conducted, and people can use the electrical equipment part assembling workbench conveniently.
Owner:杨明清

Ultrasonic superposition denoising detection system based on digital compensation calibration

The invention relates to an ultrasonic superposition denoising detection system based on digital compensation calibration. The ultrasonic superposition denoising detection system comprises an ultrasonic probe, a display screen and a host machine, wherein the ultrasonic probe is used for detecting tissues to be detected, the host machine is used for controlling the ultrasonic probe, the ultrasonic probe is provided with a detecting unit, the tissues to be detected comprise a static comparison tissue, a static standard image and a blank background, an image processor and a signal generator are arranged in the host machine, and the image processor comprises a comparison module, a superposition processing module, an analog-to-digital converter and a digital compensation module; the detecting unit comprises an odd bit unit and an even bit unit, the host machine controls the signal generator to successively send out odd and even bit signals for activating the odd bit unit to detect the tissues to be detected, and the signals are reflected to the even bit unit and the odd bit unit by the tissues to be detected to obtain even and odd bit detection signals; the obtained even detection signals and the obtained odd bit detection signals are subjected to superposition processing through the image processor, and the obtained image is displayed on the display screen.
Owner:SUZHOU SENSILING SENSING TECH
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