37 results about "Resistance test" patented technology

The invention discloses an accurate measurement device and method based on water tunnel flow field resistance, and relates to the technical field of flow field medium measurement. Comprising a working section and a test board. The working section is internally provided with a testing assembly for testing the flow field medium resistance of the testing plate; the test assembly comprises a fixed plate; sensor fixing seats are symmetrically and fixedly connected to the fixing plate, force sensors are fixedly connected to the sensor fixing seats, and the force sensors are used for detecting the force values of a flow field medium in the working section acting on the X-axis direction and the Y-axis direction of the testing plate; the force sensors are fixedly connected with connecting plates. An adjusting assembly used for adjusting the height of the testing plate is arranged between the testing plate and the connecting plates. The force measuring directions of the Y-axis directions of the adjacent force sensors are opposite, and the force value output by the S-shaped force sensor is the resultant force of the X-axis direction and the Y-axis direction; the horizontal resistance of a flow field medium borne by the test plate can be accurately measured, meanwhile, the pressure difference interference force in the vertical direction is effectively counteracted, and the resistance test precision and stability are improved.

The application discloses a temperature sensing resistance test system and a test method. The test system comprises a workbench and a control unit. A plurality of sockets and two test cavities are arranged on the workbench. The sockets are consistent in number with the plugs and one-to-one corresponding. The sockets are used for inserting and connecting the corresponding plugs. The control unit is electrically connected with all the sockets. The test cavities are respectively provided with through holes. The cold temperature sensing head and the high-temperature temperature sensing head can be respectively inserted into the two test cavities through the through holes. The application provides suitable working conditions for the cold temperature sensing head and the high-temperature temperature sensing head through the test cavities, so that the cold temperature sensing head, the high-temperature temperature sensing head and the normal-temperature temperature sensing head of the temperature sensing assembly can realize resistance detection under respective corresponding working conditions.

The invention relates to the technical field of semiconductors, and discloses a resistance test structure and a resistance test method of a semiconductor device, and the resistance test structure comprises a first test unit and a second test unit. The first test unit comprises a first test area marked by a first deep trench isolation structure, a first current input port, a first grounding port and a plurality of first voltage test ports, and the first test area covers a central area and two edge areas of the buried layer; the second test unit comprises a second test area marked by a second deep trench isolation structure, a second current input port, a second grounding port and a plurality of second voltage test ports, and the second test area covers an edge area of the buried layer; the width of the edge area covered by the second test area is equal to that of the edge area covered by the first test area. According to the invention, the two test units are used together, so that the influence of resistance of a non-uniform part at the edge of the buried layer can be eliminated, and the accuracy of test results is improved.

This invention relates to the field of wire testing, and provides a 5G communication equipment anti-loosening fastener wire, its preparation method, and preparation system. The system includes a workbench and a testing disc, with the testing disc rotatably connected to the workbench. A clamping assembly is connected to the testing disc, and a frame is fixed to the workbench. A driving assembly and an abrasion resistance testing assembly are connected to the frame. The testing disc and the abrasion resistance testing assembly are respectively connected to the driving assembly, and a metal clamping component is placed on the workbench. This invention, by setting the testing disc, driving assembly, and abrasion resistance testing assembly on the workbench, periodically bends and continuously rubs the wire sample, thereby completing simultaneous bending and abrasion resistance testing under a single power source. Simultaneously, the clamping assembly on the testing disc and the metal clamping component enable rapid clamping of the wire sample, allowing the metal clamping component, acting as a weight, to be connected without knotting, significantly simplifying the process and improving testing efficiency.

The utility model discloses a clamping mechanism and a resistance testing device, the resistance testing device comprises the clamping mechanism and a resistance tester, and a resistance testing pin is connected with the resistance tester. The clamping mechanism comprises a clamping support, a resistance measuring needle and a clamping assembly, the resistance measuring needle is arranged on the clamping support, the resistance measuring needle can move in the preset first direction to adjust the position, and the resistance measuring needle can rotate along the central axis in the length direction of the resistance measuring needle to adjust the position; the clamping assembly is arranged on the clamping support and used for clamping a resistance value test object. The position of the resistance measuring needle can be adjusted so as to contact different positions of a resistance value test object and further test the resistance value from different parts. And the distance between the resistance testing needle and the clamping mechanism can be adjusted through movement of the resistance testing needle, so that the resistance testing device is adaptive to resistance testing objects with different sizes. The method can be widely applied to the technical field of resistance detection.

The invention relates to the technical field of fluid mechanics testing equipment, and discloses a flow resistance testing device which comprises a box body, a length adjusting assembly is arranged in the box body, a fixing block and a supporting seat are sequentially and fixedly connected to the interior of the box body from left to right, a fixing seat is fixedly connected to the side, close to the supporting seat, of the fixing block, and the fixing seat is fixedly connected to the side, close to the supporting seat, of the fixing block. Round rods are uniformly and fixedly connected between the fixed block and the supporting seat, the outer walls of the round rods are slidably connected with a moving seat, inner cavities are formed in the fixed block and the moving seat, a water tank is fixedly connected in the box body, and a first water pump is mounted in the water tank; the output end of the first water pump is fixedly connected with a water inlet pipe, and a butt joint hose is installed in the inner cavity. Through the cooperation of the bolt, the gasket, the first pressure pad, the second pressure pad, the spring and other structures, the butt joint is sealed quickly, the test preparation efficiency is improved, and a guarantee is provided for the flow velocity test efficiency.

The application discloses a kind of detection equipment applied to buoy inflator device measurement, including box, detection area is opened in the side of box, the detection area is equipped with feeding and discharging platform, the bottom of the feeding and discharging platform is fixedly connected with box by rotating mechanism, the feeding and discharging platform is equipped with the fixture for fixing the buoy inflator device of measured object, the left and right sides of the detection area are equipped with image acquisition mechanism and lever jacking mechanism respectively, the top of the detection area is equipped with resistance test probe assembly in cooperation with the resistance test point of the buoy inflator device, the rear of the detection area is equipped with ranging device in cooperation with the buoy inflator device, the rotating mechanism, image acquisition mechanism, lever jacking mechanism, resistance test probe assembly are all through a controller and PC end host computer cooperation.

The invention is suitable for the technical field of test monitoring, and provides a test control method and system based on polyolefin pipe anti-chlorine equipment, and the method comprises the steps: firstly obtaining real-time monitoring parameter set information and target experiment parameter set information of target anti-chlorine equipment, and then generating and executing parameter adjustment instruction information based on the real-time monitoring parameter set information and the target experiment parameter set information. According to the system, a systematic linkage control system of experimental parameters and online monitoring of multiple core parameters can be realized, so that testers can accurately master a specific test state, the residual chlorine amount, the PH value, the ORP value and the pipeline pressure value can be stabilized in a preset reasonable range, the test error of the anti-chlorine test aging degree is remarkably reduced, and the test efficiency is improved. The reliability and consistency of test results are greatly improved, experimental data can be collected at certain intervals according to set parameters, traceable files are formed, subsequent data analysis and quality tracking are facilitated, and solid technical support and data support are provided for evaluation of the chlorine resistance of the polyolefin pipe.

Disclosed in the present invention is an uplift resistance test method for a rock-socketed pile, comprising a test model preparation process and a test process. The test model preparation process comprises: step 1, manufacturing a test model preparation apparatus comprising a rock mass preparation mold and a hoisting frame; step 2, hoisting the rock mass preparation mold to a pouring site by means of the hoisting frame, removing the hoisting frame, mounting a rock-socketed hole mold, and pouring a rock mass model; step 3, removing the rock-socketed hole mold, forming a rock-socketed hole, mounting a pile body mold, placing a reinforcement cage in the rock-socketed hole and the pile body mold, pouring a pile body model, and forming a test model; and step 4, first removing the pile body mold and side formworks of the rock mass preparation mold, and then remounting two groups of side formwork support steels and the hoisting frame. The test process sequentially comprises: assembling a test apparatus on a test model, carrying out a test, removing the test apparatus, and transporting the test model to a storage site for subsequent crushing. The present invention can satisfy the preparation, transportation and test requirements of a test model.

The utility model provides a dynamic resistance tester chuck, and belongs to the field of resistance testing. The chuck comprises an upper pressing plate, a lower pressing plate, a rotating bolt, a top plate and a bottom plate, wherein the top plate and the bottom plate are arranged in parallel. The side portions of the top plate and the bottom plate are connected through a supporting beam. The rotating bolt penetrates through the top plate and is rotationally connected with the upper pressing plate; the bottom plate is connected with the base through a connecting beam, and the upper pressing plate and the lower pressing plate are provided with a first clamping plate and a second clamping plate respectively, the first clamping plate and the second clamping plate are clamped on the upper pressing plate and the lower pressing plate respectively, and the fastening bolt transversely penetrates through the horizontal base surfaces of the first clamping plate and the second clamping plate to fasten the first clamping plate and the second clamping plate; the first clamping plate and the second clamping plate are made of insulating materials; a first conducting strip is arranged on the surface of a first clamping plate on the lower pressing plate, and the first conducting strip is provided with a lug for clamping a meter pen of a universal meter; a second conducting strip is arranged on the surface of the first clamping plate on the upper pressing plate. According to the utility model, the convenience and accuracy of resistance testing can be improved.

The utility model provides a diaphragm water pressure resistance test device. The diaphragm water pressure resistance test device comprises a base, a pressure cavity, an upper pressing plate and a sealing system, the pressure cavity is fixed to the base through base connecting bolts, and the upper pressing plate is installed on the top of the pressure cavity through fastening bolts. The sample clamping surface of the pressure cavity is provided with a convex V-shaped groove, the sample clamping surface of the upper pressing plate is provided with a concave V-shaped groove, and the convex V-shaped groove and the concave V-shaped groove form a concave-convex combined clamping structure with a gap of 0.3-0.6 mm; a through test hole is formed in the center of the upper end of the pressure cavity, and a through hole correspondingly communicated with the test hole is formed in the upper pressing plate; and a liquid inlet and a liquid outlet are formed in the pressure cavity. According to the device disclosed by the utility model, the direct measurement of the compression strength data of the nuclear-grade diaphragm is realized by accurately matching the clamping gap, optimizing the fluid channel and strengthening the sealing, the test deviation rate is less than or equal to 5 percent, and the safety detection requirement under the high-pressure working condition of 30-50MPa is met.

This invention belongs to the technical field of testing equipment and provides a tensile testing device for polyethylene pressure pipe and fitting connections. The device includes a testing equipment box, a constant temperature testing chamber fixedly mounted on the testing equipment box, and a tensile testing assembly. The tensile testing assembly includes a motor unit housed within the testing equipment box, a ball screw rotatably mounted within the constant temperature testing chamber and connected to the motor unit, a top lifting frame movably sleeved around the ball screw, and a bottom clamping frame fixedly mounted on the bottom wall of the constant temperature testing chamber. The top lifting frame is equipped with a top clamping unit for holding the sample pipe end, and the bottom clamping frame is equipped with a bottom clamping unit for holding the sample pipe end. The tensile testing device for polyethylene pressure pipe and fitting connections provided by this invention has a high degree of automation, improves the efficiency of the tensile testing, avoids testing errors caused by improper manual operation, and improves the accuracy of the test results.

The utility model belongs to the technical field of medical instruments, and particularly discloses a catheter clamping structure which comprises a first clamp and a second clamp. The pipe inserting clamp is mounted on the first clamp; the adjusting piece is arranged on the intubation clamp and used for adjusting the radial size of the intubation clamp and clamping or loosening the catheter. When the catheter is clamped, the clamping stability of the catheter is improved, and the risk that the catheter falls off from the clamping structure is reduced. Meanwhile, the utility model further discloses a guide pipe torsion resistance testing device, two ends of the guide pipe torsion resistance testing device are provided with the lining cores, concentricity of two ends of the guide pipe can be kept, the guide pipe is supported, measurement accuracy is improved, and the risk that the guide pipe falls off is reduced.

The utility model discloses a sole fold resistance testing machine, relates to test equipment technical field, including base, fixed frame and placing plate, the both ends of base top surface both sides are equipped with fixed frame, a plurality of fixed frame internal sliding is equipped with support block, the top of a plurality of support block is all fixedly equipped with fixed plate, and the fixed plate is equipped with the fixed plate. A rotating shaft is rotatably arranged between the opposite ends of the two fixing plates on one side, fixing rings are fixedly installed on the surfaces of the two rotating shafts, placing plates are fixedly installed on the surfaces of the two fixing rings, a supporting plate is fixedly installed at one end of the base, and a top plate is fixedly installed on the surface of one end of the supporting plate. According to the shoe sole detection device, shoe soles with different sizes and different thicknesses can be conveniently clamped, meanwhile, the shoe soles can be stably fixed, the shoe soles are prevented from sliding off during detection, the two faces of each shoe sole can be detected at the same time, the detection efficiency is improved, and the practicability of the device is improved.

The utility model discloses a pipeline and ball valve compression resistance testing device, which relates to the technical field of valve testing and comprises a ball valve, flange plates are arranged on two sides of the ball valve, and pipelines are arranged on the flange plates on two sides. A pressure gauge is arranged on the pipeline on one side, a fixing pipe is arranged on the pipeline on the other side, first sealing assemblies are arranged on the pipelines on the two sides, the pressure gauge and the fixing pipe are located between the first sealing assemblies on the two sides, a second sealing assembly is arranged in the fixing pipe, a connecting pipe fitting is arranged on the fixing pipe, and the pipelines on the two sides are sealed through the first sealing assemblies. Then the connecting pipe fitting and the fixing pipe are installed together, ventilation is stopped after enough gas is introduced into the pipeline and the ball valve through the gas pump, and the pressure value change of the pressure gauge is observed, so that the air tightness condition of the ball valve and the pipeline is judged, and the compression resistance test of the pipeline and the ball valve is completed. Therefore, the sealing performance of the sealing rings between the flange plates on the two sides and the pipelines on the two sides can be obtained, and the test is more comprehensive.

The utility model belongs to the technical field of compression resistance testing, and particularly relates to a compression resistance testing device for a simulation type closed-loop control servo actuator, which comprises a base and an electric cylinder to be tested, and further comprises an adapting piece, a turnover driving mechanism; a lifting plate; the movable seat is movably connected to the bottom surface of the lifting plate; a displacement driving mechanism; the top plate is supported and fixed above the base through a plurality of supporting columns which are distributed at equal intervals in the circumferential direction; a hydraulic cylinder; a guide column; a universal rotary connecting piece; the supporting disc is connected to the top end of the universal rotating connecting piece in a turnover mode; the pressure sensor is fixed on the top surface of the supporting disc; a limiting disc; according to the utility model, the position of the connection point of the to-be-detected electric cylinder and the motion platform and the inclination angle of the to-be-detected electric cylinder can be adjusted, so that the detection result is closer to the real working scene, and the detection accuracy is greatly improved.

The invention provides an air tightness test and resistance test combined device. The device comprises a bottom plate; a mounting plate; a guide rail assembly; the product positioning clamp assembly comprises a jig mounting common panel and a sliding mechanism, and the sliding mechanism is matched with the linear guide rail so that the jig mounting common panel can only move along the linear guide rail; the push-pull air cylinder assembly is used for driving the jig mounting common panel to move along the linear guide rails; the downward pressing panel assembly is suspended above the mounting plate; the lifting air cylinder assembly is used for driving the downward pressing panel assembly to ascend or descend in the direction perpendicular to the mounting plate; the resistance tester is used for carrying out resistance test on the product to be tested; the air tightness tester is used for carrying out air tightness test on the to-be-tested product; and the resistance test clamping jaw assembly is used for clamping or loosening a wiring terminal of the to-be-tested product. Compared with the prior art, two testing processes of air tightness testing and resistance testing are combined into a set of testing device through system integration and mechanical intellectualization.

The invention belongs to the technical field of instrument testing, and particularly relates to a catheter bending resistance testing tool which comprises a testing main support, an extending edge is arranged on one side of the testing main support, a bent edge is arranged on the side, away from the extending edge, of the testing main support, and a shaft rod is movably connected to the position, close to the edge, of the surface of one side of the extending edge through a rotating shaft. Threaded holes are formed in the upper surface of the shaft rod, a coupling piece is fixedly installed at one end of the shaft rod through a bolt, threaded holes are formed in the two sides of the outer arc face of the coupling piece, and the catheter can be subjected to additional direction adjusting acting force in the process of penetrating through the guide sleeve piece through the guide sleeve piece and the locking teeth. The adjustment simulates the tiny direction change of the catheter caused by factors such as movement and extrusion of tissues and organs in a complex physiological environment of a human body, and meanwhile, the bending and twisting plate continuously rotates back and forth according to a set angle and frequency to apply a composite bending effect on the catheter, so that the catheter is subjected to secondary analysis.

The application provides a wafer acceptance test method and a test structure, wherein the method comprises the following steps: obtaining two-terminal test data of a resistance module; determining whether the two-terminal test data is abnormal; if the two-terminal test data is abnormal, obtaining a first target PAD and a second target PAD corresponding to the abnormality; selecting a first re-inspection PAD and a second re-inspection PAD; obtaining four-terminal test data according to the potential of the first target PAD, the potential of the second target PAD and the current flowing through the resistance between the first re-inspection PAD and the second re-inspection PAD; obtaining the difference between the two-terminal test data and the four-terminal test data; and determining that the resistance test abnormality is related to the contact abnormality if the difference is outside a preset first threshold interval. The first re-inspection PAD and the second re-inspection PAD are introduced to form a four-terminal test structure together with the first target PAD and the second target PAD, so that whether the resistance test abnormality is related to the contact abnormality can be determined simply and effectively.

The utility model relates to a wear resistance testing device of a wear-resistant label, which comprises a platform, a mounting rack is fixedly arranged on the platform, a test board is fixedly arranged on the platform, and fixing components are symmetrically arranged on the platform on the left side and the right side of the test board; a movable cavity is formed in the test board, rotating plates are connected to the upper side of the movable cavity in a bilateral symmetry mode, a recycling cavity with an upward opening is formed in the platform, a negative pressure fan communicated with the recycling cavity is installed at the bottom of the platform, and a movable door communicated with the recycling cavity is arranged on the platform; and after the test is finished, the rotating plate swings downwards to enable the sample to fall into the recovery cavity, so that the process of manually taking away the sample by a tester is simplified, and the detection efficiency is effectively improved.

The invention discloses a reciprocating vacuum resistance test device for a rubber hose. The reciprocating vacuum resistance test device comprises a sample clamping and sealing device, a vacuum generation device and a circulation control device, the sample clamping and sealing device comprises a left sealing joint and a right sealing joint which are oppositely arranged, the left sealing joint is adjustably arranged on the test platform, the right sealing joint is fixedly arranged on the test platform, and a first servo valve and a second servo valve are respectively arranged on the left sealing joint and the right sealing joint; the right sealing joint is connected with a vacuum generating device through a vacuum pipeline; the vacuum generating device is used for vacuumizing the rubber hose clamped between the left sealing joint and the right sealing joint; the circulation control device is used for controlling opening and closing of the first servo valve and the second servo valve and starting and stopping of the vacuum generation device. According to the invention, the use condition of the rubber hose in a repeated negative pressure environment can be simulated, and the negative pressure fatigue resistance of the rubber hose can be accurately evaluated by setting a vacuumizing-pressure maintaining-pressure relief cycle.

The application provides a ship model resistance test result evaluation method based on time series random truncation, and specifically comprises the following steps: S1: collecting a time series TS0 in a ship model resistance experiment to obtain a corresponding resistance-time curve; S2: obtaining a time series TS1 by using a resistance mean value R0 of the time series TS0; S3: obtaining a sample time series TSi by periodically truncating the time series TS1; S4: judging whether the sample time series in S3 is a valid sample time series; S5: performing convergence evaluation on the valid sample time series obtained in S4; and S6: outputting a class A uncertainty UF corresponding to RF. The application not only improves the richness of the sample time series, but also greatly improves the accuracy of the test result of the ship model resistance experiment under the collection of a limited length time series.

This application belongs to the technical field of anti-seepage testing equipment, and discloses an anti-seepage testing device for engineering supervision walls. It includes an electric trolley with a U-shaped mounting frame fixed on it. A mounting box is slidably mounted on the mounting frame, and a testing box is mounted on the mounting box. A nozzle is fixed inside the testing box. The electric trolley is equipped with a water supply mechanism for supplying water to the nozzle. A lifting mechanism for raising and lowering the mounting box is shared by the mounting frame and the mounting box. In this application, the lifting mechanism first raises and lowers the mounting box to adjust the testing box to the required height. Then, the water supply mechanism supplies water to the nozzle, which sprays the water onto the wall. After a period of time, a humidity sensor detects the humidity at the sprayed location on the other side of the wall, thus determining the wall's anti-seepage effect. This eliminates the cumbersome operation of building a support frame near the wall, making it more convenient to use and improving the testing speed.

The invention discloses a PTC heating film resistor temperature testing device and a testing method thereof. The PTC heating film resistor temperature testing device comprises a sealing protection module, a constant-temperature water bath device, a resistor testing module and a data collection module. The sealing protection module is used for sealing the PTC heating film; the constant-temperature water bath device contains a liquid medium and is used for containing the sealed PTC heating film, and the constant-temperature water bath device can heat the liquid medium to provide a controllable temperature environment; the resistance test module is electrically connected with the sealing protection module and is used for carrying out resistance test on the PTC heating film in different temperature environments; the data collection module is in communication connection with the resistance testing module and the constant-temperature water bath device and used for collecting temperature data of the liquid medium and resistance data of the PTC heating film and automatically generating a resistance-temperature curve according to the collected data, and the testing method is applied to the PTC heating film resistance temperature testing device.

The invention provides a device and method for controlling the width of a grinding face of an expansion resistance test sample, the device comprises a laser detection assembly, a supporting piece and a first driving device, the laser detection assembly is used for emitting laser rays to the test sample, the length direction of the laser rays is arranged in the width direction of the grinding face, and the supporting piece is arranged on the supporting piece; the supporting piece is arranged below the laser detection assembly and is in sliding connection with the laser detection assembly; and the first driving device is arranged on the supporting piece, is connected with the laser detection assembly and can drive the laser detection assembly to slide. The method has the beneficial effects that the width of the grinding surface of the extended resistance test sample is accurately controlled, the preparation efficiency and quality of the test sample are improved, the problems of re-grinding of the sample and reduction of grinding quality caused by too narrow or too wide grinding surface are avoided, and the effective utilization rate of SRP test is improved.

This utility model discloses an OPC wear resistance testing device with easy pressure adjustment, including a test platform with a placement mechanism. An adjustment mechanism is provided on the surface of the OPC component. The placement mechanism on the test platform allows for the placement of the OPC component to be tested, maintaining its stable position and orientation, preventing displacement or loosening. This ensures consistent contact between the OPC component and the grinding wheel during testing, thus guaranteeing the accuracy of the test results. Furthermore, the adjustment mechanism in the placement mechanism not only enables automatic and precise pressure adjustment and control, avoiding blind testing due to invisible pressure, but also greatly improves the controllability of the testing process and the accuracy of the test results. It facilitates real-time monitoring of pressure changes and allows the grinding wheel to be separated from the OPC component when not testing.

The utility model discloses a resistance testing and screening device of a protector, which comprises a feeding vibration disc, a linear feeding vibration mechanism, a feeding mechanism, a sorting and discharging mechanism and an internal resistance detection mechanism, and is characterized in that the discharging end of the feeding vibration disc is connected with the feeding end of the linear feeding vibration mechanism; the discharging end of the linear feeding vibration mechanism is connected with the feeding end of the feeding mechanism, the feeding mechanism transports a protector to be detected to the internal resistance detection mechanism for detection, and the sorting and discharging mechanism is arranged at the discharging end of the internal resistance detection mechanism and used for sorting and discharging the tested protector. According to the automatic testing and screening device, the testing and screening work of the protector resistor can be automatically completed, by improving the automation level, the testing and screening efficiency is improved, manual operation is reduced, and the accuracy of the testing and screening process is ensured.

The utility model relates to the technical field of resistance testing machines, and discloses an automatic auxiliary device of a resistance testing machine, which comprises a detection box body, a rotary connecting shaft and a fixing assembly, a detection base station is arranged at the bottom of the detection box body, a control panel is arranged in the detection base station, and a temperature monitor is arranged on the left side of the detection box body. A movable connecting seat is slidably connected in the detection box body, an observation window is arranged in the movable connecting seat, and the fixing assembly is arranged in the movable connecting seat. A first gear is driven to rotate through rotation of a rotary connecting shaft, a rotary threaded rod is driven to rotate in a movable connecting seat through meshing rotation of the first gear and a second gear, and the movable connecting seat is pushed to slide in a detection box body through threaded connection cooperation of rotation of the rotary threaded rod and a threaded connecting cylinder. And the resistor is sealed in the detection box body by the movable connecting seat, so that the detection effect is ensured, and the accuracy of resistor detection is improved.

The utility model discloses a grounding system of an experiment table and the experiment table. The system comprises a magnetic attraction grounding module, a resistance test module and a grounding alarm module. The first end of the magnetic attraction grounding module is grounded, and the second end of the magnetic attraction grounding module is in magnetic attraction fit with the experiment table and is electrically connected with the experiment table; one end of the to-be-experimented equipment is electrically connected with the experiment table, and the other end of the to-be-experimented equipment is grounded; the resistance test module is arranged between equipment to be experimented and the ground, and the grounding alarm module is connected with the resistance test module; and the magnetic attraction grounding module forms a grounding loop with the ground through the experiment table and the to-be-experimented equipment. According to the scheme provided by the embodiment of the utility model, the magnetic attraction grounding module is mechanically connected with the experiment table and electrically connected with the ground in a magnetic attraction matching manner, so that the convenience of the electric connection between the experiment table and the ground is improved. The resistance test module tests the grounding resistance of the grounding loop, and the grounding alarm module sends out an alarm signal when the contact is poor so as to prompt an experimenter to stop an experiment.