363 results about "Test site" patented technology

The invention provides a reverse self-balancing pile foundation bearing capacity detection method based on prefabricated steel pipe piles, and relates to the technical field of pile foundation detection, and the method comprises the steps that the assembled prefabricated steel pipe piles are constructed at preset elevation positions of a target test field; obtaining first record data and second record data; on the basis of the first recorded data and the second recorded data, the total compressive bearing capacity and the total uplift bearing capacity of the prefabricated steel pipe pile are obtained through calculation according to a reverse self-balancing method; wherein a pile body load box in the loading pile body section is used for loading, the upper pile body and the lower pile body are driven to deform oppositely, and at least the stress of the pile body load box and the opposite displacement of the pile body are recorded as first record data; and a pile top load box in the pile cap loading section is loaded, the upper pile body and the lower pile body are driven to deform oppositely, and at least the stress of the pile top load box and the opposite displacement of the pile body are recorded as second record data. The method for detecting the bearing capacity of the pile foundation is simpler, more efficient and quicker.

The utility model discloses a track slab static load test rack and a test device, the track slab static load test rack comprises a base, a support frame and a counter-force frame, the base comprises transverse I-shaped steel and longitudinal I-shaped steel, the transverse I-shaped steel and the longitudinal I-shaped steel are arranged in a crossed manner and form a hollow structure, and the counter-force frame is arranged on the support frame. The support frame is placed on the base, a plurality of reaction frames are fixedly connected above the base, each reaction frame is transversely arranged, all the reaction frames are longitudinally arranged at intervals, and the static load test device comprises the static load test rack. According to the track plate static load test rack and the track plate static load test device, the steel structure base is adopted, a concrete test platform is prevented from being built before a track plate static load test is carried out, the working efficiency can be improved, a test site can be flexibly moved and changed according to requirements, and the efficiency of the track plate static load test can be improved.

The invention discloses a method for improving the utilization rate of an automatic driving closed test site, and the method comprises the steps: carrying out the road section digitalization of a road network of the closed test site, and enabling the status bit of each road section to be 1 or 0; when the status bit of the road section is 0, allowing the test, determining an occupied space sequence of the test vehicle according to the status bit of each road section, and setting the status bits of all the occupied road sections from 0 to 1; constructing a time dictionary, and recording the to-be-occupied road section duration of the test vehicle on each tested road section; the test platform obtains the vehicle position and matches the vehicle position to the nearest road section; and when the test vehicle travels to a road section, countdown is performed on the road section duration occupied by the road section, and after countdown is finished, the status bit of the road section is reset from 1 to 0. According to the method, real-time and automatic distribution of each road section of the test site can be realized, multi-vehicle cooperative test is realized, the vacancy time of the site can be reduced, and the utilization rate of the test site is improved.

The utility model relates to the technical field of wind power test field installation, and discloses a wind power test field-based tower drum installation switching device, which comprises a switching mechanism, the switching mechanism comprises a switching drum body, a first connecting flange is fixedly welded at an opening at the upper end of the switching drum body, and a second connecting flange is fixedly welded at an opening at the lower end of the switching drum body. According to the tower drum installation switching device, the switching drum body of the tower drum installation switching device is designed to be of an integrated structure and comprises the whole drum body, the interior and the exterior of the whole switching drum body are kept flat, the sealing performance is good, meanwhile, the inner reinforcing mechanism attached to the inner wall of the switching drum body is arranged on the inner side of the switching drum body, and the structure reinforcing effect of the switching drum body is achieved; the structure of the adapter barrel is reliable, long-time reliable use of the adapter barrel is further guaranteed, regular repair welding or additional welding maintenance is not needed, and the adapter barrel is convenient to use.

The invention relates to a process for preparing a gradient hardening metal plate through explosion hardening, and belongs to the technical field of explosion hardening and gradient hardening materials. In order to ensure the experiment safety, a test site is selected as a static explosion site, a rigid base, a metal plate to be subjected to gradient hardening and a poured high-detonation-velocity plate-shaped explosive are sequentially placed in the site from bottom to top, then the explosive is started by an electric detonator to carry out high-pressure and high-frequency impact hardening treatment on the metal plate, and finally the metal plate subjected to gradient hardening is obtained. The surface hardness is improved to 380-400 HV, and the depth of a hardened layer reaches 15 mm. The process is simple to operate, efficient, convenient and obvious in effect, and does not need large equipment and instruments.

The utility model provides a release type clamp and a mechanical arm thereof, the release type clamp is used for clamping a blade tip lightning arrester at a blade tip test site, the release type clamp is provided with a fixed claw and a movable claw which are rotatably connected through a first connecting piece, the fixed end of the fixed claw is provided with a first electromagnet, and the fixed end of the movable claw is provided with a second electromagnet. A first steel sheet is arranged at the position, corresponding to the first electromagnet, of the fixed end of the movable claw. The power supply end of the first electromagnet is connected with a power supply electrode arranged at the tail end of the mechanical arm. When the first electromagnet is electrified, the first electromagnet attracts the first steel sheet, and the front ends of the fixed claw and the movable claw are in an open state; when the first electromagnet loses power, the first electromagnet is separated from the first steel sheet, and the front ends of the fixed claw and the movable claw are in a closed state. According to the utility model, the detachable clamp carries the test cable to fly to the blade tip test site area, and the blade tip lightning protection test is carried out after the mechanical arm is detached and recycled and the blade tip lightning arrester is clamped, so that the blade detection procedure is simplified, the blade detection time is shortened, and the test efficiency is improved.

The invention belongs to the technical field of wind tunnel tests, and discloses a half-mode loading device and a loading method thereof. The half-mode balance is vertically mounted on the half-mode loading device, and the loading device is used for accurately applying and measuring a transverse load, so that comprehensive and quantifiable test field balance loading inspection is performed on the vertically mounted half-mode balance before the model is mounted. The loading method of the half-mold loading device comprises the following steps: installing the vertical part of the half-mold loading device; installing a horizontal part of the half-mold loading device; determining the loading load of each component of the half-mode balance; carrying out Y-direction load group loading; changing the loading direction; carrying out X-direction load group loading; and loading of all the load groups is completed. According to the half-mode loading device and the loading method thereof, through five-component loading, single-component or multi-component combined loading is realized; and through automatic control of loading and unloading, the operation is simple and convenient, and the engineering practical value is achieved.

The invention provides a wind power blade ultra-high cycle fatigue performance testing method and device, and relates to the technical field of performance test.The wind power blade is subjected to finite element analysis, the dangerous position and the stress condition of the blade are determined, and on the basis that M potential dangerous nodes with common characteristics are screened out, the performance of the wind power blade is tested. Further screening out potential resonance risk nodes, determining a plurality of dangerous sections corresponding to each potential resonance risk node, screening out a key dangerous section from the plurality of dangerous sections, and analyzing vibration displacement data of each key dangerous section under different loads; a secondary screening strategy for screening out the final dangerous section is obtained, a blade structure test piece is designed and machined according to the final dangerous section, the blade structure test piece is made to generate high-frequency forced vibration under the action of a pressure head, and an ultrasonic fatigue testing machine with the optimized clamp is used for conducting an ultra-high-cycle fatigue test on the wind power blade structure test piece; the technology needs a small test site and is short in test time.

The embodiment of the invention provides a test method, system and device, the test system comprises a main server and a plurality of test sites respectively accessed to the main server, and the method comprises the following steps: in response to a test request for to-be-tested equipment, based on an equipment identifier of the to-be-tested equipment, querying historical test sites of the to-be-tested equipment from the main server; querying a test record of the to-be-tested equipment from the historical test site, and determining a to-be-tested target test item based on the test record; the test record comprises test items executed by the to-be-tested device at the historical test site and a test result of each test item, the test results represent whether the test items pass the test, and the target test items are test items which do not pass the test. The test items which do not pass the test can be accurately determined, the test efficiency can be improved, and the problems that manual determination of the test items is prone to errors and complex in operation are solved.

The invention relates to the technical field of vehicle safety belt testing, in particular to a vehicle safety belt testing system and method. The test system comprises a bearing module which is fixedly arranged and used for bearing a dummy and a safety belt; the traction module is used for dragging the dummy to simulate inertia force of the dummy in the braking process; and the data acquisition module is used for acquiring test data in the test process. According to the test method, the test system is used, the inertia force of the dummy in the braking process is simulated through the traction force generated by the traction module on the dummy, a moving mechanism and a large test site are not needed, operation and use are convenient, the test efficiency and test repeatability are high, the test cost is low, and the test system has great popularization value.

The invention provides a test management auxiliary method and system based on gesture recognition, and the method comprises the steps: collecting video information through cameras disposed in all working places in a test field, and obtaining the working state information of all working equipment in the test field, identifying the test progress and the working state of the test site based on the video information and the working state information; whether a worker gesture exists in the video information or not is recognized, the worker gesture is recognized, gesture instruction information is obtained, and the worker gesture comprises at least one of a static gesture and a dynamic gesture; and determining the current test progress and working state of the test site according to the gesture instruction information, and recording and prompting test management personnel of the current test progress and working state of the test site. According to the invention, the test management personnel can inquire the test progress through gestures, so that the use of a traditional interphone communication mode to transmit information is avoided, and the test working efficiency is improved.

The invention discloses a portable vibration excitation device and method capable of controlling vibration source characteristics. The device comprises a bottom plate, a height fixing mechanism and a swing mechanism, the bottom plate is arranged on a test site, the height fixing mechanism is vertically and fixedly arranged on the bottom plate close to the edge side, one end of the swing mechanism is hinged to the upper portion of the height fixing mechanism, and the other end of the swing mechanism swings to knock a wood block arranged on the test site; the method comprises the steps that the shear wave frequency corresponding to the soil body type is obtained firstly, then the needed release height is calculated according to the relation between the shear wave frequency and the release height, then the device is assembled, the excitation hammer is released according to the calculated release height every time, and therefore the shear waves with the same frequency are generated every time knocking is conducted. The device overcomes the problem that the systematicness of the test cannot be guaranteed due to the fact that a wood block is manually knocked to excite shear waves in the prior art, not only can the characteristics of an excitation vibration source be controlled more accurately, but also the device has the advantages of being high in safety, convenient to assemble, easy and convenient to operate and the like.

The present invention discloses a concrete hardness testing device, comprising a frame and a testing mechanism arranged at one end of the frame, wherein the testing mechanism comprises a testing frame arranged at one end of the top of the frame, a testing instrument is arranged below the testing frame, and a pressure block for applying pressure to a concrete test block is arranged at the bottom of the testing instrument; a circular turntable is rotatably connected to the corresponding part of the upper end of the frame and the testing mechanism, and a holding box corresponding to the pressure block and used for holding the concrete test block is evenly arranged on the top periphery of the turntable. The concrete hardness testing device can evenly place multiple concrete test blocks on the periphery of the turntable, and when the testing mechanism rises and resets after testing a test block, the turntable can be rotated by linkage with a driving component, so that the subsequent test blocks are transferred to the testing mechanism, so that the tested test blocks can be removed and cleaned during the testing, which greatly improves the work efficiency.

The invention discloses a low, small and slow situation information display platform. The display platform receives a test field comprehensive data packet obtained by monitoring a test field by each sensing device through a work station in the display platform; the data receiving and processing subsystem analyzes and preprocesses the comprehensive data packet of the test field to obtain situation data of the test field, and the two-dimensional situation display subsystem and the three-dimensional situation display subsystem respectively perform two-dimensional and three-dimensional situation display on a display according to the situation data of the test field; the display platform stores the comprehensive data packet of the test site received by the workstation and the situation data of the test site obtained after analysis and preprocessing in a database through the server, and backs up, manages and recovers the data stored in the database through the database management subsystem; and playback, by the situation data playback subsystem, the situation data stored in the database on the display. According to the technical scheme provided by the invention, the problem that the situation monitoring of the low, small and slow target is greatly limited due to the fact that only two-dimensional situation information can be displayed when the low, small and slow target is identified through a photoelectric detection or radar detection mode in the prior art is solved.

The present application relates to a test structure and a test method for implementing an on-site dry-wet cycle of a large-grain-size rock-soil body. The solution includes: a test site evenly paved with a test material; a test tank arranged in the test site, where two ends of each test tank in a width direction are separated from soil bodies of other test sites by steel plates, and each test tank is provided with a plurality of water permeable holes. The present application can implement an on-site dry-wet cycle test of a large-grain-size rock-soil body, and is suitable for engineering practice.

The invention relates to a fixed-wing target aircraft aerodynamic characteristic detection method and device, and the device comprises a supporting part which is used for fixedly connecting a complete machine to be detected; the base part is fixed to a test site and connected with the supporting part through a plurality of horizontally-arranged movable parts, and the movable parts at least can feed back bearing capacity information. According to the detection device provided by the invention, multiple parameters related to aerodynamic characteristics in the whole machine testing process can be obtained through stress feedback of the multiple movable parts in the testing process, and meanwhile, the whole machine can be ensured to be stressed in a gas field to automatically move through the movable property of the movable parts in the whole machine testing process, so that the whole machine testing efficiency is improved. Therefore, the test result is visualized.

The invention provides an equivalent test device and method for exploring gravity energy storage power characteristics. The device is characterized in that a test circuit is connected with an upper computer after being connected to a power grid; the test circuit is built based on a gravity energy storage grid-connected type and is used for outputting a torque curve corresponding to an equivalent torque curve signal of gravity energy storage so as to equivalently convert the reference power of the gravity energy storage into the torque of a motor for an equivalent test; the upper computer is used for generating a torque curve signal based on the reference power of gravity energy storage and writing the torque curve signal into the test circuit; and measuring the network side power of the test circuit in the test as a test result. According to the invention, the topological structure can be flexibly changed according to the gravity energy storage grid-connected type so as to be suitable for equivalent tests of different gravity energy storage grid-connected schemes; limitation of a gravity energy storage test site can be overcome, power characteristics of the gravity energy storage system in steady-state operation under different grid-connected topologies can be truly restored, equivalent tests of gravity energy storage technologies of different power levels can be carried out, and the accuracy of power test data can be improved.

The invention discloses a water-bearing stratum exploration hole segmented water pressure test method which comprises the following steps: S1, drilling to a final hole in a test field, and designing the position of each test section; s2, assembling a test system, sleeving an upper water stop device and a lower water stop device, and putting the upper water stop device and the lower water stop device into a hole; s3, an upper packer of the upper water stop device and a lower packer of the lower water stop device are pressurized and expanded; s4, carrying out water pressure test work on the first test section; s5, pressure relief is conducted on the upper packer and the lower packer; s6, the steps S3 to S5 are repeated, and the water pressure test work is completed; s7, carrying out a merging water pressing test, and calculating a deviation coefficient; and S8, grading the water pressure test work quality based on the numerical value interval of the deviation coefficient. The upper water stopping device and the lower water stopping device can be lifted relatively to adjust the distance between the upper packer and the lower packer, so that the length and the position of a test section can be adapted, and the working efficiency of a water pressing test is improved; and through the deviation coefficient alpha, the water pressure test work quality of each test section is evaluated, and the precision of exploration work is improved.

The invention relates to an anti-pinch function test method, device and equipment, a storage medium and a vehicle. The method comprises the steps that under the condition that a moving instruction sent by a preset server is received, a test device is controlled to move to a preset test site beside a target vehicle; controlling a force transducer of the test equipment to move to a closing path of an automatic closing mechanism of the target vehicle, and sending a movement completion instruction to a preset server, so that the preset server sends a closing instruction for closing the automatic closing mechanism to the target vehicle in response to the movement completion instruction; the force sensor is used for detecting the force applied to the force sensor by the automatic closing mechanism to obtain force data. According to the embodiment of the invention, the whole process automation of the anti-pinch function test is realized, the consumption of human resources consumed by the anti-pinch function test is reduced, the standardized anti-pinch function test is realized, and the efficiency and accuracy of the anti-pinch function test are improved.

The present invention discloses a method for designing a scaled test model of an ultra-high voltage transmission line. The method determines the scale ratio of the size according to the limitations of the drawings of the real transmission line tower and the test site, retains the main structure of each section of the tower, scales the size of the components accordingly, designs a scaled tower model, determines the load similarity coefficient of the scaled test tower by dimensional analysis, determines the wire diameter according to the parameters of the scaled conductor, and evenly suspends a counterweight on the scaled conductor so that the scaled model and the original model meet the similarity of the wire density, and at the same time makes the load similarity coefficient of the scaled conductor consistent with the scaled tower. Finally, the similarity coefficients of the scaled model and the original model in size, load, frequency, displacement response, etc. are calculated according to the dimensional analysis method. The method of the present invention can restore the relevant features of the appearance and mechanical properties of the real transmission line, so as to explore the damage mechanism of the transmission line icing, dancing, ground settlement, etc. on the conductor, tower, insulator string and other components, and carry out fatigue damage research.

A counter-force device for a static load test comprises an anchor pile, a main beam, a secondary beam and a jack. The anchor piles are arranged on two sides of the test pile; a steel cylinder is mounted at the top of the anchor pile; a connecting beam longitudinally penetrates through the steel cylinder; the secondary beams are mounted at the tops of the steel cylinders on two sides of the test pile; the secondary beams and the connecting beams are tied through first tying pieces arranged on the front side and the rear side of the steel cylinder. The jack is mounted at the top of the test pile; the main beam is arranged at the top of the jack, and the two ends of the main beam extend to the positions above the secondary beams on the two sides correspondingly. The main beam and the secondary beams on the two sides are tied through second tying pieces respectively. An adjustable lantern ring is mounted at the lower part of the test pile; displacement meters are arranged on the two sides of the adjustable lantern ring respectively; the displacement meter is supported on the ground and detachably connected with the adjustable lantern ring. The pile foundation static load test device solves the technical problems that a traditional pile foundation static load test device is long in test preparation time and high in cost, potential safety hazards exist, the requirement for a test site is high, the occupied area is large, and the test result is not accurate enough.

The utility model relates to the technical field of tools, in particular to a pedal motor load test tool. A locking assembly used for pressing a pedal motor to be tested is installed on the workbench, a testing seat is installed on one side of the locking assembly, the pedal motor to be tested is installed above the testing seat, the output end of the pedal motor to be tested faces downwards, a swing arm is installed below the testing seat, and an output shaft of the pedal motor to be tested is connected with the swing arm. The swing arm is driven to swing. The device is simple in structure, low in cost, convenient to use, convenient for workers to operate and test, small in occupied area, high in safety coefficient and incapable of carrying out load debugging on equipment for a long time, does not need to be carried out in a special laboratory or a test site, and greatly improves the test efficiency.

The utility model discloses a drop hammer impact test device which comprises a base, a lifting mechanism and a control host, the lifting mechanism is arranged on the base, the control host is electrically connected with the lifting mechanism, and the lifting mechanism comprises a drop hammer guide cylinder, a rope guide cylinder, a lifting motor, a winding drum, a pull rope and an electromagnet. Each of the drop hammer guide cylinder and the rope guide cylinder is formed by detachably connecting a plurality of cylinder bodies, the drop hammer guide cylinder and the rope guide cylinder are fixed on the base, the lifting motor is arranged in the base and connected with the winding drum, one end of the pull rope is fixed and wound on the winding drum, and the other end of the pull rope is connected with the lifting motor. The other end of the pull rope penetrates into the drop hammer guide cylinder along the rope guide cylinder and is fixedly connected with an electromagnet arranged in the drop hammer guide cylinder, an impact hammer is arranged below the electromagnet, and a test bed is arranged in the base. According to the utility model, the drop hammer guide cylinder and the rope guide cylinder are configured into a plurality of sections of detachable cylinder bodies, so that the height can be adjusted according to the floor height of a test site, the device is flexibly suitable for sites with different floor heights, and the application range and the impact height adjusting range are increased.

The utility model relates to the technical field of lightning protection element testers, in particular to a lightning protection element tester which comprises a base, a pushing mechanism is installed on the base, a tester is installed on the top of the base, a closing mechanism is installed on the top of the base and located on the outer side of the tester, and the pushing mechanism comprises an adjusting assembly and a pushing assembly. The pushing assembly comprises a fixing cylinder, the fixing cylinder is installed on one side of the base, an extension rod is slidably connected to the inner side of the fixing cylinder, a positioning rod is installed at the top end of the extension rod, and a pushing handrail is installed at the top end of the positioning rod; the tester pushing device is simple in structure and convenient to operate, workers can push the tester to a test site conveniently, labor is saved, the labor amount of the workers is reduced, and work efficiency is improved.

The utility model discloses a simulation wall used for a battery thermal runaway unit test, which belongs to the technical field of energy storage system thermal runaway tests and comprises a transport vehicle, a positioning installation assembly is arranged in the transport vehicle, an angle iron inner frame is arranged at the upper end of the transport vehicle, and a square steel outer frame is arranged on the surface of the angle iron inner frame. Jacks are arranged on the two sides of the square steel outer frame, driving rods are arranged on one sides of the jacks, bolt holes are formed in the angle iron inner frame, plywood is arranged on one side of the angle iron inner frame, a gypsum board is arranged on one side of the plywood, and positioning bolts are arranged in the gypsum board. According to the utility model, the plywood and the gypsum board are adopted to adapt to two use environments of a wood structure and a brick soil structure, the flexible movement of the simulation wall can be realized by utilizing the jack and the transport vehicle, the operation convenience of a test site is greatly improved, and the installation convenience of the square steel outer frame is ensured by arranging the positioning installation assembly.

1. The name of this design product: magnetic stand. 2. Purpose of this design product: Used in medical experiments or testing sites as a magnetic rack for storing centrifuge tubes and capturing magnetic beads. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Assembly state diagram 1.

The application discloses a test fixture for electrical performance of FCBGA single product, and belongs to the field of electrical performance test of FCBGA single product. The FCBGA single product is in a rectangular structure. The fixture substrate is fixedly installed on an external flying probe test machine. A plurality of rectangular test sites are arranged on the fixture substrate and used for placing the FCBGA single product. The size of the test site is greater than that of the largest specification of the rectangular FCBGA single product. An L-shaped reference block is fixedly arranged at a first reference corner of the test site, and an inner corner is arranged on the L-shaped reference block. The inner corner is designed to be matched with a first corner and two side edges of the FCBGA single product. A strip-shaped stopper is arranged at a second reference corner of the test site. The first reference corner and the second reference corner are two opposite reference corners of the test site diagonal line. The first corner of the FCBGA single product is abutted against the L-shaped reference block, and the strip-shaped stopper is abutted against the second corner of the FCBGA single product. The first corner and the second corner are two opposite corners of the FCBGA single product diagonal line. Based on the above structure, the efficiency and quality of the flying probe test link are improved, and the test work on different size products is met.

The utility model provides a multifunctional socket box suitable for a test place of a spaceflight launching site. The multifunctional socket box comprises a box body, and a plurality of modular sockets and isolating switches which are fixed in the box body, the plurality of modular sockets at least comprise five 220V 10A sockets, four 220V 16A sockets, one 380V 16A socket and one 380V 25A socket; the modular sockets are arranged in the housing; any modular socket is detachably connected with the box body; the box body is provided with a box door cover plate and a box door cover plate supporting rod. According to the utility model, various types of single-phase and three-phase equipment can meet the requirements of power supply interfaces, and the modular socket is detachably connected with the box body, so that the modular socket is convenient to assemble, simple and convenient to replace and firm to plug; electric leakage protection at a power incoming line is canceled, and only an isolating switch or a circuit breaker is adopted for protection, so that continuous power supply of equipment in a test place is ensured; the box door cover plate is provided with a supporting rod, plug connection can be protected, and power supply reliability is improved.

An electronics part verification system may comprise a test-site board loaded onto or otherwise secured to a PnP machine and computer instructions for using the PnP machine's capabilities to (i) retrieve a component-to-be-verified from a feeder; (2) move the component to a test site on the test-site board; (3) use an LCR meter to obtain an inductance, capacitance, or resistance value for the component; and (4) determine, based on the value from the LCR meter, whether the component is correct or incorrect.

The utility model belongs to the technical field of resonant beam adjustment, and discloses a resonant beam adjusting device for adapting to a large-diameter steel cylinder, which comprises a steel plate, and an adjusting mechanism is arranged at the top of the steel plate; the adjusting mechanism comprises a plurality of vibration platform main beams and a plurality of vibration platform auxiliary beams, during use, a test site is firstly paved and leveled, then a steel plate is laid on the leveled site, and then the plurality of vibration platform main beams and the plurality of vibration platform auxiliary beams are all placed on the steel plate for testing; the multiple vibration platform main beams and the multiple vibration platform auxiliary beams are all made of 45 steel, the bolts are made of 42CrMo, the auxiliary parts can effectively absorb redundant vibration and guarantee stable operation of the hydraulic vibration hammer set, after connection work of detection equipment is completed, tests can be prepared, the vibration hammer set can be started, and starting synchronization conditions of all vibration hammers can be observed and recorded. An analysis result shows that the structural strength of the main beam of the vibration platform is enough to bear excitation force load.