44 results about "Quick Test" patented technology

The invention discloses a testing device, which comprises a platform, a supporting seat, a pressure applying rotating shaft and a driving part, and is characterized in that the platform is provided with a fixing part, and the fixing part is used for fixing an axial air foil bearing; the supporting seat is located above the platform and installed on the platform, a shaft hole is formed in the supporting seat, and the shaft hole is located over the fixing part and penetrates through the supporting seat in the vertical direction; the pressing rotating shaft is movably arranged in the shaft hole in a penetrating mode in the vertical direction, and the bottom of the pressing rotating shaft is used for being attached to the axial air foil bearing in a normal state; the driving part is in driving connection with the pressure-applying rotating shaft to drive the pressure-applying rotating shaft to rotate. According to the testing device, the axial air foil bearing can be rapidly tested, and the production requirement of large-scale mass production is met.

The invention relates to the technical field of washing machine inner barrel testing, and discloses a washing machine inner barrel dynamic balance rapid testing tool which comprises a base and a roller. One end of a hydraulic cylinder is fixedly connected with a first rack, one side of the first rack is in meshed connection with a connecting gear, and one side of the connecting gear is fixedly connected with a threaded rod; the outer portion of the threaded rod is in threaded connection with a connecting base, the inner side of the connecting base is fixedly connected with a detection ring, the inner side of the detection ring is fixedly connected with two pressure sensing detection assemblies, a second motor is started, a first gear drives a second gear to rotate, the second gear drives a roller to rotate through a rotating shaft, a prism block and a connecting shaft, and then a hydraulic cylinder is started; the hydraulic cylinder drives the first rack to move back and forth, the first rack moves to drive the connecting gear and the threaded rod to rotate, the threaded rod drives the connecting seat to move, and the detection ring drives the pressure sensing detection assembly to move, so that the dynamic balance of the roller can be rapidly tested.

The utility model relates to the technical field of sensor installation, in particular to a rapid test device for infrared over-temperature monitoring protection, which comprises an installation frame, the installation frame comprises a rotating rod, the first end of the rotating rod is used for installing an infrared sensor, the second end of the rotating rod is rotatably installed on a belt frame on the side edge of a belt conveyor through a rotating shaft, and the rotating shaft is vertically arranged; the rotating rod is connected with the first end of the pull rod, the second end of the pull rod is detachably connected with the belt frame, so that the second end of the pull rod and the belt frame have two connection states of connection completion and disconnection, and the second end of the pull rod and the rotating shaft are located on the belt frame on the same side of the belt conveyor; when the second end of the pull rod is connected with the belt frame, the rotating rod and the belt frame are relatively fixed. According to the utility model, the rotating rod can be flexibly switched between a fixed state and a rotating state, the problem that a heat source is difficult to stably align at a sensor emission hole in a traditional test is solved, and the test efficiency is greatly improved.

The embodiment of the application discloses a kind of test verification method, device and equipment of engine air passage, obtain the casting model of engine cylinder cover, and input to the casting simulation software to obtain the deformation condition of casting model.According to the deformation condition, obtain the correction model of engine cylinder cover, and print the engine air passage entity model in engine cylinder cover correction model using selective laser sintering printing technology.The entity parameter of entity model is obtained and compared with design parameter.When the comparison result is that entity parameter is inconsistent with design parameter, the casting process of casting model is adjusted according to the result to adjust the casting model or adjust the engine cylinder cover correction model.The application predicts the deformation condition of cylinder cover casting process based on casting simulation software, and can quickly test the performance index of air passage while ensuring the consistency of size through printing technology, improve the accuracy and efficiency of air passage development.

The utility model discloses a quick assembly guide rail mechanism of a coke quenching test device, which comprises a mounting surface and a guide rail body arranged on the inner side of the mounting surface, a sliding block body is mounted on the inner side of the guide rail body, the upper side of the sliding block body is connected with a mounting rack, and a test device body is mounted on the upper side of the mounting rack; the sliding block further comprises a second driving motor which is installed in the sliding block body. The rapid assembly guide rail mechanism of the coke quenching test device can be conveniently and rapidly assembled and connected with the test device in the use process, so that an operator can easily and rapidly install the test device on the upper side of the guide rail mechanism, the disassembly and assembly use efficiency of the device is prevented from being influenced, the disassembly and assembly labor intensity of the operator is reduced, and the production efficiency is improved. And meanwhile, a stable movement driving part is arranged in the device, so that the device can be paused at any part in the process of carrying the test device to move, the use stability of the device is improved, and a better use effect is achieved.

The utility model discloses a mining drilling machine testboard comprising a test pedestal which is internally provided with a slide rail groove; the detection platform is arranged at one end of the test base and located outside the sliding rail groove; the drilling machine mounting seat is arranged in the sliding rail groove in a sliding manner; the reinforcing supporting seat is arranged in the sliding rail groove in a sliding manner and is positioned between the drilling machine mounting seat and the detection platform; and the adjusting screw rod is arranged in the reinforcing supporting seat and is used for adjusting the height of the contact end of the reinforcing supporting seat. According to the utility model, the slidable drilling machine mounting seat and the reinforcing supporting seat are matched to adjust the lifting of the screw rod, so that the length, height and other dimensions of most drilling machines can be matched, the alignment operation is simplified, the plant site requirements are reduced, and the rapid test of the drilling machines is facilitated; the sliding base is designed to be of a structure with a buffer groove and a buffer piece, stress in the testing process can be effectively removed, equipment is protected, and the influence on the testing result is very small.

The utility model relates to a basic friction angle field testing device suitable for rock mass structural surfaces in any shapes, which comprises a sample loading rack, and the sample loading rack comprises a hollow base and a regular round hole-shaped steel plate which is arranged on the hollow base and can turn over relative to the hollow base. A plurality of round holes are formed in the regular round-hole-shaped steel plate, detachable plug pin structures are arranged in the round holes, and a locking space formed by the plug pin structures is used for limiting a sample lower disc in any shape. The rock mass structural plane basic friction angle testing device is reasonable in design, simple in structure and convenient to use, solves the problems that an existing rock mass structural plane basic friction angle testing device is only suitable for rock mass samples with specific shapes and sizes, the samples are time-consuming and difficult to machine, and rock mass structural planes with any shapes cannot be rapidly tested, and meanwhile can flexibly adjust the position of the limiting baffle to achieve rapid testing. Therefore, the sliding termination distance of the sample upper disc is adjusted, and flexibility is high.

The application discloses a kind of battery module safety regulation test device and method, wherein, test device includes first probe mechanism, second probe mechanism, battery module to be measured, battery module tray and industrial computer;First probe mechanism is provided with multiple groups of first probe;Second probe mechanism is provided with side wall probe and shell probe;The positive pole of the battery module to be measured is connected with its corresponding positive pole column;The battery module to be measured is loaded on the upper surface of battery module tray;Industrial computer controls the electrical connection or electrical disconnection between first probe, and test voltage is applied between the first probe that is electrically disconnected, test voltage is applied between the side wall probe and the first probe that is electrically disconnected, test voltage is applied between the shell probe and the first probe that is electrically disconnected;The application realizes the automatic fast test of the insulation voltage resistance performance of power battery module assembly, reduces test cost, improves test efficiency, and is suitable for batch detection.

The utility model relates to the technical field of chemical and oil and gas ship building, in particular to a marine liquid cargo tank PV valve testing device, which comprises a base, a connecting piece, a pressure vacuum device and a liquid level display unit, and is characterized in that the base comprises supporting legs and a mounting plate, the supporting legs support the mounting plate, the mounting plate is of a rectangular structure, and a mounting position is arranged on the mounting plate; the installation position is composed of a plurality of kidney-shaped holes arrayed along the circumference, and the extending square of the kidney-shaped holes penetrates through the circle center of the circumference. The connecting piece installs the PV valve to be tested to the installation position; the pressure vacuum device is arranged on one side of the base and is connected with the PV valve to be tested through an air inlet pipe; and the liquid level display unit is arranged on one side of the base and is connected with the PV valve to be detected through a liquid level pipe. By means of the kidney-shaped holes and the connecting pieces, quick disassembly and test installation of PV valves with different drift diameters can be achieved, universality is high, meanwhile, the structure is simple, use and operation are convenient, and quick tests of the PV valves with different drift diameters are effectively achieved.

The utility model discloses an automatic testing device for a sensor, which comprises a base, a control system, a linear power mechanism, a first fixing piece and a second fixing structure, the linear power mechanism comprises a linear power source and a sliding seat, and one side of the sliding seat is provided with a metal induction sheet for triggering a groove type sensor. A clamping structure for clamping a sample tube is arranged on the sliding seat; and an original point sensor for monitoring the original point position of the sliding seat is arranged at one end part of the base. According to the utility model, the groove-type sensor is fixed by using the first fixing piece, and the position of the metal induction sheet is adjusted by using the linear power source, so that the rapid test of the groove-type sensor can be realized; according to the utility model, the sample tube is fixed by utilizing the clamping structure, the reflection sensor is fixed on the second fixing structure, and the front, back, left and right sensing areas and repetition precision of the reflection sensor on the sample tube can be determined by adjusting the mounting position of the reflection sensor, so that the reliability and accuracy of a detection result are improved, and a basis is provided for model selection of sensors on an instrument.

This invention relates to the field of pipeline life testing, specifically to a multi-station rapid fatigue life testing device for corrugated pipe compensators. The device includes a testing base with a base plate slidably connected to it. A fixing structure is mounted on the testing base, and a testing frame is fixedly mounted on the testing base. Multiple visual sensors are mounted on the testing frame, and a hydraulic telescopic rod is mounted on the testing frame. This invention uses the fixing structure to center and fix the compensator at the bottom. When the hydraulic telescopic rod operates, and the pressing plate applies pressure to the compensator under the drive of the hydraulic telescopic rod, the pushing component drives the positioning block to extend from the rectangular groove and abut against the upper flange of the compensator in the middle, thereby achieving stable positioning of the compensator. This positioning and fixing method, using both upper and lower components, prevents displacement during testing and ensures the accuracy of the test data.

This utility model relates to the technical field of pile foundation skin friction testing, and discloses a device for rapidly testing the negative skin friction of pile foundations in high-fill mountainous areas. The device includes backfill soil, beneath which lies a strongly weathered rock layer, and below that, a moderately weathered rock layer. A data acquisition system is installed on the left side of the top surface of the backfill soil, and a loading oil pump is installed on the right side. Utilizing the end resistance from the rock foundation load test to provide the reaction force, combined with data from pile stress sensors, the distribution characteristics of negative skin friction on the pile side in high-fill areas can be rapidly and quantitatively analyzed, providing a measured basis for pile foundation bearing capacity assessment and engineering design. This method uses the upward displacement of the pile under the action of a load cell to replace the settlement of the foundation soil, thereby efficiently testing the negative skin friction, significantly reducing testing costs and saving testing time.

The application relates to a kind of semi-physical simulation test system development methods for fuel cell controller, including fuel cell controlled object model, FCU-HIL interactive I / O electrical interface model library, HIL semi-physical simulation test environment software and hardware configuration development process.The application can simulate various working conditions and faults in the operation process of fuel cell, quickly test and verify control strategy, and improve the test efficiency of fuel cell control strategy and controller.

The utility model provides an inhaul cable rapid testing device, which comprises a brake mechanism, a gear mechanism and a fixing mechanism, and is characterized in that the brake mechanism comprises a first base, a mounting seat and a pedal and is used for simulating the structure of a brake pedal in a vehicle; the gear mechanism comprises a second base and a gear frame and is used for simulating the structure of a gear end in the vehicle; in this way, the actual working condition of the inhaul cable in the using process is simulated, and the incoming material inspection efficiency and accuracy of the inhaul cable are improved. The fixing mechanism comprises a fixing base, a limiting block, a clamp and a guide column, the fixing base is installed on the second base, and the other end, namely the end connected with the gear end, of the inhaul cable is fixed; the limiting block is located in the gear frame and used for keeping the clamp and the guide column stable relative to the gear frame in the stretching process. An operator can connect the other end of the inhaul cable with the guide column, and the guide column is stretched forwards and backwards by pulling the clamp, so that the other end of the inhaul cable is clamped and fixed.

The application belongs to the technical field of electric spindle performance detection, and particularly relates to a high-speed electric spindle dynamic performance testing device, which comprises a machine base, a spindle clamping mechanism, a quick-change testing head mechanism, a composite loading mechanism, a multi-source sensing system and a control analysis system; the quick-change testing head mechanism comprises a testing head body and an HSK tool shank interface; the composite loading mechanism comprises a radial electromagnetic loading unit and an axial electromagnetic loading unit; the multi-source sensing system comprises a displacement sensing module, a vibration sensing module and a temperature sensing module; and the control analysis system is electrically connected with the spindle clamping mechanism, the composite loading mechanism and the multi-source sensing system respectively. The automatic grabbing of the testing head is realized through the quick-change testing head mechanism, the non-contact quick loading is realized through the composite loading mechanism, and the control analysis system is embedded with a quick testing model to predict the steady-state performance index according to short-time data, so that the technical problem of long testing cycle in the prior art is solved, and the device is particularly suitable for the production line factory inspection scene.

This invention relates to the field of digital array antenna testing technology and discloses a rapid desktop testing method for the receiving pattern of a digital array antenna. The method includes: initializing and synchronizing a multi-channel far-field simulation device and a beamforming processor for the digital array antenna; ensuring that each transmit channel of the multi-channel far-field simulation device is phase-consistent with each receive channel of the beamforming processor through calibration and balancing; establishing a set of scanning angles based on relevant information of the digital array antenna; the multi-channel far-field simulation device generating signals corresponding to the scanning angles and injecting them into the beamforming processor; the beamforming processor extracting information for each corresponding scanning angle and transmitting it to a host computer, until all scanning angles have been traversed to obtain the far-field pattern of each beam, thus completing the entire testing process. This invention can simulate the input of a standard antenna at each incident angle under far-field conditions, enabling the testing and verification of the receiving pattern of the beamforming processor for the digital array antenna.

The utility model relates to the field of single board testing, and discloses a pneumatic single board testing jig which comprises a machine body, an acrylic panel is arranged at the top end of the machine body, a tray is arranged in the middle of the top end of the machine body, a product limiting block is fixedly installed at the top end of the tray, and a circuit board body is arranged at the top end of the tray. A pushing assembly is arranged on the left side of the tray and comprises a supporting seat, a quick clamp is fixedly installed at the top end of the supporting seat, a shifting rod is rotationally connected to the middle of the left side of the quick clamp, and a connecting block is hinged to the bottom of the right side of the shifting rod. According to the utility model, the guide rod and the connector probe are pushed to move to be plugged into the product connector, a circuit board host is rapidly tested, the probe does not need to be plugged into the product connector manually, the product connector is protected, the phenomenon that pins in the connector are deformed due to the fact that the probe cannot be seen clearly during plugging is prevented, the convenience of test connection is improved, and the test efficiency is improved. Meanwhile, the testing stability of the tool is improved.

The utility model relates to the field of pipeline production testing, in particular to a pipeline explosion-proof pressurization testing device, which comprises an explosion-proof frame, two air inlet valves arranged at the top of the explosion-proof frame in front-back symmetry, an air outlet valve arranged on the right side of the explosion-proof frame, an oil injection cover clamped on the front side of the explosion-proof frame, an oil injection port arranged in the middle of the oil injection cover, and a pressure relief component arranged at the rear part of the explosion-proof frame. The pressure relief assembly is composed of an installation piece and a pressure relief valve, and the rear side of the oil injection cover is connected with a sealing ring. According to the utility model, various environmental factors in a high-pressure state are simulated to test the temperature and impact of a pipeline under a high-pressure threshold value, so that the rapid test effect is achieved, and a good observation view is provided in the test process, so that an operator can observe a test result more visually, and the test efficiency is improved. And meanwhile, the collecting tank is arranged, used oil is recycled, and waste is avoided.

The utility model relates to test fixture technical field, specifically is a kind of filter test fixture, including support plate, fixed structure is equipped on the support plate, the fixed structure includes baffle and fender, baffle is fixedly connected on the support plate, handle is rotatably connected on the baffle, two connecting rods are rotatably connected on the handle, the connecting rod is rotatably connected in connecting block, guiding seat is fixedly connected on the support plate, sliding bracket is slidably connected on the guiding seat, two connecting blocks are fixedly connected on the sliding bracket, mounting plate is fixedly connected on the sliding bracket, rubber block is fixedly connected on the mounting plate, test structure is equipped on the support plate, two fender are fixedly connected on the support plate;In the process of clamping filter, the quick test to filter can be realized, to shorten the time of test, improve the efficiency of test.

The utility model discloses a plug-in type relay rapid test structure, comprising a housing, the top of the housing is provided with a socket, the top of the socket is clamped with a plug, the top of the plug is provided with a slot, and the bottom of the slot is provided with a conductive contact piece. The two limiting rods can move upwards or downwards, when the two limiting rods move upwards, the plug can be far away from the tops of the limiting rods, so that the plug can be conveniently and rapidly detached from the socket, and when the two limiting rods move downwards, under the self-locking performance of threaded connection of the socket and the circular ring, the plug can be conveniently and rapidly detached from the socket. According to the testing structure, the replaced plug can be fixed, the replaced plug can be fixed conveniently, so that plugs adaptive to relays of different models can be replaced, and the testing structure can test the relays of different models.

The invention discloses a rapid test method for an insertion loss curve of a microwave device, and the method comprises the steps: carrying out the initial measurement in a target frequency band of a tested microwave device, building a PLS prediction model based on the initial measurement data, predicting a predicted insertion loss value of the microwave device through the PLS prediction model, and comparing the predicted insertion loss value with an actual measurement insertion loss value. If the error is within the set error threshold value, the frequency point interval is expanded, and if the error exceeds the set error threshold value, the frequency point interval is reduced, so that the measurement speed is improved while the measurement precision is guaranteed.

The utility model discloses a bicycle disc brake force testing device, and relates to the technical field of testing devices. The bicycle disc brake force testing device comprises a device base; the mounting assembly comprises two mounting plates symmetrically and fixedly arranged on the upper surface of the device base and a connecting shaft fixedly arranged on the opposite faces of the two mounting plates, the bicycle frame is rotationally arranged on the outer surface of the connecting shaft, and a PLC is arranged on the surface of one mounting plate; and the testing assembly is used for testing the braking performance of the bicycle brake disc. According to the utility model, the testing assembly and the driving assembly are arranged, so that the device can rapidly test the brake torque of the disc brake in the actual use process, and the oil pressure in the disc brake can be monitored in real time through the electronic pressure gauge; the brake force testing device achieves the purpose of testing the brake force of the disc brake under different oil pressures and is high in practicability.

The utility model is suitable for the technical field of microphone detection, and provides a directional microphone rapid test device, which comprises a mounting seat and a test tube arranged on the mounting seat, one end of the test tube is provided with a sound source module, and the test tube is provided with a detection port; the execution mechanism comprises a rotating arm and a rotating stand column, the rotating stand column is fixedly installed on the installation base, the rotating arm is arranged on the rotating stand column, and the rotating stand column is further provided with a multifunctional clamping assembly used for clamping a microphone and driving the microphone to rotate; the number of the executing mechanisms is two. According to the utility model, the two groups of symmetrically arranged actuating mechanisms are matched with the test tube, so that the microphone modules to be detected can be quickly switched, the batch quick 100% detection is realized, and the problems that the single detection efficiency is low and the whole detection cannot be met in the traditional sampling detection mode are solved.

The utility model discloses a rapid testing device for a no-load test of a wind driven generator, and the device comprises a testing pedestal which is used for positioning and fixing the generator; the prime mover support is detachably arranged on the generator end cover and used for positioning and installing a prime mover; the transmission assembly is used for connecting the generator main shaft and the prime motor output shaft for generator testing; the transmission assembly comprises a large gear and a small gear, the large gear is coaxially and fixedly connected to a main shaft of the generator, the small gear is coaxially and fixedly connected to an output shaft of the prime motor, and the large gear is meshed with the small gear; a hand wheel is detachably connected to an input shaft of the prime motor. According to the rapid testing device for the no-load test of the wind driven generator, the connection between the generator and the prime mover can be rapidly completed, and a static test item and a partial no-load dynamic test item can be completed by only one high-power generator; the time of occupying the test bench by the generator can be shortened, the overall test period is shortened, and the production turnover efficiency is improved.

The utility model discloses a device for corn drought test processing is arranged with the microporous ceramic sheet in the inside of water guide bottom groove (37), the pore size of this microporous ceramic sheet is 0.05mm, the water guide pipe (32) is controllable water supply pipe of medical grade silica gel material processing and preparation, and the inlet of this water guide pipe (32) is docked with the micro peristaltic pump, and the flow range of this micro peristaltic pump is 0.1-50mL / min. The utility model discloses the method that can make the water distribution uniformity reach above 92% by the inside of water guide bottom groove is arranged with the microporous ceramic sheet, supports the step by step water quantity control from drought to rehydration, and solves the problem that traditional equipment can not simulate gradient water supply.

The utility model particularly relates to a toilet cover plate induction value calibration auxiliary device which comprises a control base, an air cylinder support and a supporting column, the air cylinder support and the supporting column are arranged on the control base, and a lifting air cylinder in signal connection with a control mainboard is arranged on the air cylinder support. The lower portion of the lifting air cylinder is connected with a simulation induction probe capable of being driven by the lifting air cylinder to move in the vertical direction, a detachable thickness medium fixed through an adjusting screw is arranged at the top end of the supporting column, a spring column is arranged below the thickness medium, and a carrying table located under the thickness medium is arranged at the top end of the spring column. The top of the carrier is provided with a chip groove, and the side of the carrier is connected with a pull-down handle. The device is simple in structure and convenient to operate, is provided with the thickness-changeable medium, is matched with the liftable simulation inductive probe, and can achieve the quick test of an inductive chip, thereby improving the test efficiency.

The invention discloses a plate-felt-shaped heat insulation material density lossless automatic testing device which comprises a workbench and a weighing module, the weighing module comprises four load sensors at the top end of the workbench, and a glass table top is arranged at the top ends of the four load sensors; the length and width measuring module comprises two first sliding rails and a second sliding rail which are arranged on the two sides and the front side of the top end of the workbench, the two first sliding rails are each provided with two sliding pieces, the second sliding rail is provided with three sliding pieces, and first laser sensors are fixed to the sliding pieces; the thickness measuring module comprises an electric push rod, the end of a telescopic rod of the electric push rod is fixed to the bottom end of the rectangular frame, two pressing plate connecting pieces are arranged on the two sides of the rectangular frame, pressing plates are fixed to the pressing plate connecting pieces, a distance measuring support is arranged at the position, corresponding to the pressing plates, of the top end of the workbench, and a second laser sensor is arranged on the distance measuring support. And a controller; according to the invention, the density of the plate-felt-shaped heat insulation material can be tested and calculated quickly in a lossless manner.

An asphalt concrete pressure detection device belongs to the technical field of road engineering material performance detection. The transverse plate is fixedly connected with the inner wall of the detection bin, a long hole is formed in the transverse plate, a first sliding groove is formed in the side wall of the transverse plate, the first hydraulic cylinder is fixed to the transverse plate, the first hydraulic cylinder is connected with the sliding table, the sliding table is connected with the long hole, side plates are arranged on the two sides of the sliding table, and the side plates are in sliding connection with the first sliding groove. The second hydraulic cylinder is fixed to the sliding table, the second hydraulic cylinder penetrates through the long hole and is connected with the pressure sensor, the pressure sensor is connected with the base, and the base is connected with the rolling wheel. By means of a stable fixing mode, stable sliding table movement, safe and convenient observation operation, effective fragment protection and a rapid test block replacement mechanism, the accuracy and the reliability of a detection result are improved, the operation process is optimized, the use cost is reduced, and the detection efficiency is improved. The practical value and technical advantages in the field of asphalt concrete pressure detection are fully shown.

The utility model discloses a kind of laser far field testing devices, belong to laser field, including fixed shell, CCD camera is slidably installed in fixed shell inside middle part, there is cushion block in the bottom of CCD camera, cushion block is installed in fixed ring inside, fixed ring is installed in the middle part of fixed shell inside bottom, one end of fixed shell is installed with limit seat, diffusing reflection film is installed in the outside of limit seat, laser tool is installed in the middle part of limit seat, the utility model is installed with limit seat in one end of fixed shell, laser tool is installed in the middle part of limit seat, to-be-measured laser is installed in the lower part of laser tool, laser tool belongs to plug-in, it is more convenient, CCD camera is slidably installed in fixed shell inside middle part, can quickly assemble to-be-measured laser, accurately, quickly test the far field performance of laser.

The utility model relates to a power divider test technical field discloses a kind of quick test fixture of power divider, including base, the top of base is fixedly connected with power divider, the outside of power divider is fixedly connected with several plugs, the outside of power divider is fixedly connected with several inserting rods, the outside of inserting rod is equipped with clamping slot, the top of base is slidably connected with shielding box, the outside of base is provided with clamping mechanism, the clamping mechanism is used to quickly disassemble and assemble shielding box, the outside of inserting rod is slidably connected with connector, the side of connector far from inserting rod is fixedly connected with connecting line, the inside of connector is provided with clamping mechanism.In the utility model, by handle pulling pin rod makes it drive limit block compression extrusion spring retract inside installation shell, blocking plate is automatically fallen under the influence of gravity and blocks limit block so that it cannot move, improve the signal shielding intensity of device, improve the practicability of device.