11 results about "Testing tubes" patented technology

A wastewater testing apparatus and a cleaning device. The wastewater testing apparatus includes: a housing provided therein with an accommodating cavity, where the housing is provided thereon with a water inlet, a water outlet, and a wire hole which are communicated with the accommodating cavity; a testing tub arranged in the accommodating cavity, where two ends of the testing tube are respectively communicated with the water inlet and the water outlet; and a testing assembly arranged in the accommodating cavity, where the testing assembly includes a transmitter, a receiver, a circuit board connected to the transmitter and the receiver, and a wire harness connected to the circuit board, the transmitter and the receiver are arranged opposite to each other on two sides of the testing tube, and the wire harness extends to the outside of the housing by means of the wire hole.

This utility model discloses a test tube shaking device for geochemical testing, comprising: a U-shaped base with multiple arc-shaped protrusions evenly spaced on its bottom inner wall; a U-shaped support with four rollers rotatably mounted on its rectangular bottom, the rollers making movable contact with the bottom inner wall of the U-shaped base and cooperating with the arc-shaped protrusions; and a test tube insert sealing and positioning anti-detachment plug assembly installed on the U-shaped support. This utility model, through a series of structures, facilitates the safe positioning of multiple test tubes and the simultaneous and safe sealing and anti-detachment of multiple test tube plugs, preventing the test tube plugs from detaching during shaking. It also facilitates single-drive, integrated, bidirectional reciprocating shaking of multiple vertical tubes. Utilizing this bidirectional reciprocating vibration method, it significantly increases the vibration interference of the liquid inside the test tubes, improving the mixing effect and efficiency of the liquid. Combined with the safe sealing and anti-detachment of multiple test tube plugs, it ensures the safety of the shaking operation.

The utility model discloses a novel electricity testing insulation operating rod, which belongs to the technical field of electric power facility maintenance and is characterized in that the novel electricity testing insulation operating rod comprises an electricity testing tube, a connecting tube and an operating tube, an end portion of the electricity testing tube is provided with an electricity testing head, the electricity testing head comprises a connecting seat, a side portion of the connecting seat is provided with an electricity testing rod, a side portion of the electricity testing rod is provided with an operating rod, and the electricity testing tube is internally provided with a PCB. The PCB extends out of the electricity testing tube and is connected with the electricity testing rod, and the side part of the electricity testing tube is provided with a charging hole, a loudspeaker, an indicating lamp and a self-checking switch. Compared with the prior art, the pole-climbing-free electricity testing device has the advantages that electricity testing can be achieved without climbing a pole, pole-climbing operators are not needed any more, various safety risks and time for pole-climbing electricity testing of distribution network professionals are reduced, electricity testing time is successfully controlled within a target value 5 min, and the pole-climbing operation is needed for 0.4-10 kilovolt overhead electricity testing before the electricity testing time is successfully controlled within a target value 5 min. And meanwhile, pole climbing skills and operation conditions must be provided for operation.

This invention proposes a hydraulic component contamination tolerance testing device, comprising: a testing cylinder, a stirring assembly, and a sealing assembly. A testing tube is fixedly connected to the bottom of the testing cylinder. A light-emitting element and a photosensitive element are respectively arranged on both sides of the testing tube. The stirring assembly includes a hollow tube rotatably mounted on the top of the testing cylinder and a driving assembly for driving the hollow tube to rotate. Stirring blades are fixedly connected to the surface of the hollow tube, and scraper frames are fixedly connected to both sides of the hollow tube. The sealing assembly includes a connecting rod that movably penetrates the hollow tube and a lifting assembly for driving the connecting rod to rise and fall. A sealing plate is fixedly connected to the lower end of the connecting rod. This invention, by setting up the stirring assembly, ensures uniform distribution of contaminant particles in the oil, improving the reliability of the test results. The scraper frames clean the inner wall of the testing cylinder, preventing oil residue from affecting subsequent use.

Systems and methods for condition assessment of a formed material include a testing tube in contact with the formed material. An access tube is in contact with the formed material and with a testing end open to the testing tube. A tube cap is located at a cap end of the access tube. The cap end is opposite the testing end of the access tube. The access tube has an internal bore sized to provide passage for a testing tool.

The invention belongs to the technical field of potassium perchlorate recovery, and particularly relates to a device and process for recovering potassium perchlorate from potassium perchlorate waste brine, the device comprises an evaporation tank, a high-temperature evaporation assembly is installed at the top of the evaporation tank, and a baffle, a transmission assembly and a concentration testing assembly are installed in the evaporation tank. When the concentration of potassium perchlorate in mother liquor needs to be measured, an air cylinder drives a test board to move downwards through a push rod, the test board drives a push-pull rod to move downwards through a bottom plate, and the mother liquor in an evaporation tank enters a cooling cylinder by rotating a first rotating disc; after a certain amount of mother liquor enters the cooling cylinder, the first turntable blocks the first base disc, the liquid cooling radiator cools the mother liquor in the cooling cylinder, and after the temperature is reduced to normal temperature, the push-pull rod continues to drive the second base disc and the second turntable to move, and the mother liquor in the cooling cylinder enters the test tube through the second turntable and the second base disc; the concentration of potassium perchlorate in the mother liquor is tested through the detector, so that the thermal drift of the detector is avoided while the concentration calculation precision of the detector is improved.

This utility model discloses a hydrostatic testing device, comprising: a testing tube with a hydrostatic chamber inside; an exhaust valve disposed on the outer wall of the testing tube and communicating with the hydrostatic chamber; a plug plate sealed and fixedly connected to one end of the testing tube; a water inlet valve disposed on the plug plate and communicating with the hydrostatic chamber for injecting water into the hydrostatic chamber; a flange sealed and fixedly connected to the other end of the testing tube; an installation port provided on the flange; one end of the test piece being tested being installed into the hydrostatic chamber through the installation port; and a pressure plate sealed and fixedly connected to the flange to seal and fix the other end of the test piece. This utility model improves the accuracy, reliability, and efficiency of hydrostatic testing of instrument sleeves.

The invention discloses high-precision inner hole straightness detection equipment, and relates to the technical field of detection equipment, the high-precision inner hole straightness detection equipment comprises a detection pipe and a driving mechanism, the detection pipe is sleeved with a movable sleeve, the movable sleeve is provided with a plurality of detection units, each detection unit comprises a mounting seat, a rotating shaft, a torsion spring, a rotating seat, a fan-shaped detection block and a detection piece, the mounting seat is fixed on the movable sleeve, and the rotating shaft is fixed on the rotating seat. The rotating shaft is fixed on the mounting seat, the torsion spring sleeves the rotating shaft, one end of the torsion spring is fixed on the rotating shaft, the other end of the torsion spring is fixed on the rotating seat, the rotating seat sleeves the rotating shaft, the rotating seat can rotate along the rotating shaft when being subjected to external force, the fan-shaped detection block is fixed on the outer side of the rotating seat, and the detection piece is used for detecting the rotation degree of the fan-shaped detection block. The driving mechanism is used for driving the movable sleeve to move along the detection pipe. The detection equipment is high in detection precision.

The application relates to the technical field of low-temperature fluid testing, in particular to a low-temperature liquid column separation cavitation bubble motion characteristic testing device. The application comprises a testing tube which is located in a low-temperature environment and can slide along the axial direction of the testing tube, the two ends of the testing tube are respectively an impact end and a loading end, a variable stiffness impact module and an initial force loading module are arranged at the impact end and the loading end respectively, the initial force loading module acts on the loading end and pushes the testing tube to move axially to collide with the variable stiffness impact module, wherein the initial pushing force of the initial force loading module on the loading end is adjustable, and the support stiffness of the impact part of the variable stiffness impact module which is collided by the impact end is adjustable. The application can realize the decoupling control of the initial velocity and the collision acceleration of the testing tube, and provides a key experimental hardware research platform for the fluid system optimization design of low-temperature fluid engineering.

This invention relates to the field of pressure testing technology and discloses a pressure testing device for testing the water tightness of doors and windows based on a mechanical sensor. The device includes a pressure testing chamber, a plastic film installed on the interior side of the door / window frame, and a sealing plate installed on the interior side of the door / window opening. A pressure sensor is installed inside the pressure testing chamber, with a testing tube inserted into the testing end of the sensor. An installation tube is fixedly installed at the end of the testing tube furthest from the pressure sensor. This invention precisely adjusts the air pressure inside the static pressure chamber through the pressure testing chamber to simulate different wind and rain conditions. The pressure sensor collects air pressure data in real time through a clear testing channel, and coordinates with an outdoor water spray device to achieve comprehensive testing. All components operate in a coordinated manner, the installation tube is firmly fixed without deviation, and the sealing components switch precisely, ensuring the stability of air pressure regulation and data acquisition. This effectively guarantees the authenticity and reliability of the water tightness test data for doors and windows, providing strong support for door and window quality assessment.