CN211602344U - Support body for testing structure vibration and evaluating comfort degree and testing device - Google Patents

Abstract

A supporter and testing arrangement for testing structure vibration and evaluation comfort level. At present, the vibration of bridges and buildings and the comfort degree of the bridges and the buildings to human bodies are complex in test process, subsequent data calculation and processing operations are professional and tedious, and are difficult to popularize, and relevant test structures which are simple and easy to implement are lacked. The utility model discloses a base, bulb, ball hinge pole, supporting platform, acceleration sensor and cable, the bulb articulates on the base, and the one end fixed connection of ball hinge pole is on the sphere of bulb, and the other end of ball hinge pole is provided with supporting platform, and acceleration sensor sets up in supporting platform's inside, and supporting platform is passed to the one end of cable and acceleration sensor is connected, and the other end of cable and smart mobile phone's socket cooperate the setting. The utility model is used for the overall structure of test bridge, floor and building.

Description

Support body for testing structure vibration and evaluating comfort degree and testing device

The technical field is as follows:

the utility model relates to a testing arrangement, concretely relates to supporter and testing arrangement for testing structure vibration and evaluation comfort level.

Background art:

the problems related to vibration testing and comfort evaluation of bridges and buildings are increasingly prominent and widely existed. The broad concept of comfort refers to the degree of pleasure that a human body is in the environment. Factors influencing the comfort of the living environment of the human body are many, such as indoor temperature, humidity, noise, illumination and the like, but the method is not provided with a corresponding structure for evaluating the comfort of the human body from the directions of structural vibration and torsion angles.

With the rapid development of the infrastructure of China, the operating mileage of a high-speed railway reaches 2.5 kilometers, which accounts for two thirds of the world, and in addition, the operating mileage of urban rail transit is estimated to reach 7300 kilometers more than ten thousand in 2020. Meanwhile, in high-rise and super high-rise building structures, the phenomena of shaking and twisting of the structure due to wind load often occur, and users feel uncomfortable. In addition to the above-mentioned house vibrations caused by environmental excitation and external load excitation, floor vibrations may also be caused by the walking and jumping process of human body during the use of the house. According to research, when the environmental vibration frequency is in the following range, resonance can be generated with human body parts, and the resonance can be divided into the following three range values:

firstly, when the environmental vibration frequency is between 2.5Hz and 5Hz, the resonance of the cervical vertebra and the lumbar vertebra of the human body can be caused, and the amplitude is increased by about 2.4 times;

when the environmental vibration frequency is between 4.0Hz and 6Hz, the resonance of the body, the shoulders and the neck of the human body can be caused, and the amplitude is increased by about 2.0 times;

and thirdly, when the environmental vibration frequency is between 20Hz and 30Hz, resonance between the head and the shoulders of the human body can be caused, and the amplitude is increased by about 2.5 times.

In a word, the testing process of the vibration of bridges and buildings on the comfort level of human bodies is complex, the subsequent data calculation and processing operation is professional and tedious, the popularization is difficult, related testing structures which are simple and easy to operate are lacked, the structural vibration problem is existed for a long time and the related range is wide, and how to evaluate the comfort level of a house is an urgent solution for house users and is not effectively solved so far.

The invention content is as follows:

in order to solve the problems mentioned in the background art, the present invention provides a supporting body and a testing device for testing structural vibration and evaluating comfort.

The utility model provides a supporter for test structure vibration and evaluation comfort level, includes base, bulb, ball hinge pole, supporting platform, acceleration sensor and cable, the bulb articulates on the base, and the one end fixed connection of ball hinge pole is on the sphere of bulb, and the other end of ball hinge pole is provided with supporting platform, and acceleration sensor sets up in supporting platform's inside, and the one end of cable is passed supporting platform and is connected with acceleration sensor, and the other end of cable cooperatees the setting with smart mobile phone's socket.

As a preferable scheme: the ball head is matched with a positioning adjusting component which comprises a control rod, a control knob and a positioning sheet, the top surface processing of base has first mounting hole, the inside processing of base has the cavity, the cavity sets up below and the two of first mounting hole and is linked together, a lateral wall of cavity is from last to having processed first arcwall face and blind hole down in proper order, the spacer sets up in the cavity, one side of spacer orientation first arcwall face is the second arcwall face, be formed with the centre gripping clearance of cooperation bulb between first arcwall face and the second arcwall face, spacer and blind hole threaded connection are passed to the one end of control lever, another lateral wall setting outside the base that the other end of control lever passed the cavity, control knob fixed mounting is served at the outer one of control lever in base, the control lever is along its length direction reciprocating motion, the spacer is made under the drive of control lever and is close to or keeps away from the second arcwall face and moves the action.

As a preferable scheme: the aperture of the first mounting hole is smaller than the outer diameter of the ball head.

As a preferable scheme: the cable is an OTG cable.

As a preferable scheme: the top surface of base has still processed standing groove and recess for the pole, the one end and the first mounting hole intercommunication of standing groove for the pole, the other end and the recess of standing groove for the pole are linked together, standing groove and ball hinge pole for the pole cooperate, supporting platform and recess cooperate, when the ball hinge pole and supporting platform were moved the whereabouts action of making near the base, the ball hinge pole sets up in standing groove for the pole, supporting platform sets up in the recess, the tank bottom of recess is provided with the plug of cooperation cable, the cable can be dismantled with smart mobile phone matched with one end and plug and be connected.

As a preferable scheme: the top of the groove wall at the two sides of the groove is respectively provided with a notch.

As a preferable scheme: the bottom of the groove is provided with a flexible cushion block.

The utility model provides an utilize embodiment mode one the testing arrangement that supporter is constituteed, includes supporter and smart mobile phone, the supporter includes base, bulb, ball pivot pole, supporting platform, acceleration sensor and cable, the bulb articulates on the base, and the one end fixed connection of ball pivot pole is on the sphere of bulb, and the other end of ball pivot pole is provided with supporting platform, and acceleration sensor sets up in supporting platform's inside, and smart mobile phone can dismantle the connection on supporting platform, and the one end of cable is passed supporting platform and is connected with acceleration sensor, and the other end of cable can be dismantled with smart mobile phone's socket and be connected.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses mutually support between well base, bulb, ball hinge pole, supporting platform, acceleration sensor and the cable and form simple structure, the operation degree of difficulty is low and the bearing structure who conveniently carries, and the cooperation smart mobile phone of being convenient for starts the test at any time according to the test needs.

2. The utility model provides a supporter plays the effect that provides external sensor to the smart mobile phone, can also realize multidirectional support, adjusts acceleration sensor and smart mobile phone's test position in real time according to concrete test environment, accords with the requirement of multidirectional test in the vibration test process.

3. The utility model discloses an overall structure only is supporter and smart mobile phone, need not other corollary equipment, need not network communication's requirement, conveniently carries and easy to operate, and the monitoring work that need not professional knowledge and also can accomplish house comfort level is convenient for the indoor personnel and is carried out the self-checking, the utility model discloses a structure vibration and comfort level evaluation provide a feasible scheme that just carries, easy operation, low-cost, the utility model discloses can extensively be used for house, office building, hotel, villa and public building's comfort level test, purchase, lease and provide the solution way to building structure's comfort level aassessment in the use for the house, be suitable for and use widely on a large scale.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.

Fig. 1 is a first front view structural diagram of the present invention;

fig. 2 is a schematic perspective view of the present invention;

FIG. 3 is a sectional view of the front view structure of the present invention;

fig. 4 is a second front view structural diagram of the present invention;

fig. 5 is a first working state diagram of the present invention;

fig. 6 is a second working state diagram of the present invention.

In the figure, 1-base; 2-a ball head; 3-a ball hinge rod; 4-a support platform; 5-an acceleration sensor; 6-a cable; 7-a smart phone; 8-1-control lever; 8-2-control knob; 8-3-a locating plate; 9-a first mounting hole; 10-a cavity; 11-a first arc-shaped face; 12-blind holes; 13-placing grooves for the rods; 14-a groove; 15-a plug; 16-a gap; 17-a flexible cushion block; 18-bearing.

The specific implementation mode is as follows:

in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.

The first embodiment is as follows: as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, the following technical solution is adopted in the present embodiment, the present embodiment includes a base 1, a ball head 2, a ball hinge rod 3, a supporting platform 4, an acceleration sensor 5, and a cable 6, the ball head 2 is hinged on the base 1, one end of the ball hinge rod 3 is fixedly connected to a spherical surface of the ball head 2, the other end of the ball hinge rod 3 is provided with the supporting platform 4, the acceleration sensor 5 is arranged inside the supporting platform 4, one end of the cable 6 passes through the supporting platform 4 to be connected with the acceleration sensor 5, and the other end of the cable 6 is matched with a socket of a smart phone 7.

In the present embodiment, the acceleration sensor 5 is a triaxial acceleration sensor. The three-axis acceleration sensor is used for measuring vibration data of the structure, including horizontal vibration data of the structure along the direction of the screen of the smart phone 7 and vertical vibration data perpendicular to the direction of the screen of the smart phone 7, and calculating the placement angle of the smart phone 7 through test data.

In this embodiment, the acceleration sensor 5 is an existing product, the type of the acceleration sensor 5 is appropriately selected according to the relevant specifications and the specific design requirements, and the type of the acceleration sensor 5 may be MMA7260, ADXL335, or any other micro-electromechanical system type meeting the relevant design requirements.

In this embodiment, the support platform 4 is a rectangular platform, and the shape of the support platform is matched with that of the smart phone 7.

The top of supporting platform 4 sets up magnetism and adsorbs piece, vacuum adsorption knot, viscidity bonding piece or other current detachable construction in this embodiment, be convenient for and realize dismantling between the smart mobile phone 7 and be connected.

In the embodiment, the base 1 is arranged on a tested structure, so that the smart phone 7 and the acceleration sensor 5 are connected with the tested structure through the base 1, and a stable and good contact condition is provided for testing.

The second embodiment is as follows: the embodiment is further limited by the first specific embodiment, the ball head 2 is provided with a positioning adjusting assembly in a matching manner, the positioning adjusting assembly comprises a control rod 8-1, a control knob 8-2 and a positioning sheet 8-3, the top surface of the base 1 is provided with a first mounting hole 9, a cavity 10 is processed inside the base 1, the cavity 10 is arranged below the first mounting hole 9 and communicated with the first mounting hole 9, a side wall of the cavity 10 is sequentially provided with a first arc-shaped surface 11 and a blind hole 12 from top to bottom, the positioning sheet 8-3 is arranged in the cavity 10, one side of the positioning sheet 8-3 facing the first arc-shaped surface 11 is a second arc-shaped surface, a clamping gap matched with the ball head 2 is formed between the first arc-shaped surface 11 and the second arc-shaped surface, one end of the control rod 8-1 penetrates through the positioning sheet 8-3 to be in threaded connection with the blind hole 12, the other end of the control rod 8-1 penetrates through the other side wall of the cavity 10, the control knob 8-2 is fixedly arranged at one end of the control rod 8-1 outside the base 1, the control rod 8-1 reciprocates along the length direction of the control rod, and the positioning sheet 8-3 moves close to or away from the second arc-shaped surface under the driving of the control rod 8-1.

In this embodiment, the control rod 8-1 is a rod body, an external thread is formed at one end of the control rod, which is matched with the blind hole 12, an internal thread is formed on the inner wall of the blind hole 12, the rod body is matched with the blind hole 12 to realize threaded connection, and a rod section of the rod body, which is matched with the positioning piece 8-3, is a polished rod section.

In the embodiment, the control knob 8-2 is a circular cover body, and the control knob 8-2 is fixedly arranged at one end of the control rod 8-1 outside the base 1.

The setting of positioning adjustment subassembly is arranged in adjusting 2 rotation direction of bulb according to test requirement or environment in real time among this embodiment to can in time just stabilize the position of location bulb 2 after bulb 2 rotates.

In the embodiment, the positioning adjusting assembly further comprises a bearing 18, a mounting hole is formed in the bottom of the positioning plate 8-3 along the thickness direction of the positioning plate, the bearing 18 is fixedly mounted in the mounting hole, the bearing 18 is an existing product with a small specification and is available in the market, the bearing 18 is arranged in the mounting hole of the positioning plate 8-3, and the control rod 8-1 penetrates through the bearing 18 to be connected with the positioning plate 8-3. The bearing 18 is arranged to avoid the process that the control rod 8-1 drives the positioning plate 8-3 to rotate due to the rotation of the control rod 8-1 in the process that the control rod 8-1 drives the positioning plate 8-3 to move, ensure that the control rod 8-1 can smoothly drive the positioning plate 8-3 to make linear movement action under the screwing-in and screwing-out actions, and realize that the control rod 8-1 is used as the driving process of the linear reciprocating motion of the positioning plate 8-3 through the self-rotation action.

The working process of the positioning and adjusting assembly in the embodiment is as follows:

the ball head 2 is clamped between the first arc-shaped surface 11 and the second arc-shaped surface, when the rotating position of the ball head 2 needs to be adjusted, the control knob 8-2 is rotated to drive the control rod 8-1 to rotate, so that one end, located at the blind hole 12, of the control rod 8-1 makes a screwing-out action far away from the bottom of the blind hole 12 towards the positioning sheet 8-3, the control rod 8-1 moves towards the control knob 8-2 along the length direction of the control rod, the first arc-shaped surface 11 of the positioning sheet 8-3 is driven to be separated from the ball head 2, the clamping gap is enlarged, the ball head 2 can be rotated and adjusted according to requirements, and the reverse process of the process is that the control rod 8-1, the positioning sheet 8-3 and the blind hole 12 are matched to realize the clamping process of the first arc-shaped surface 11 and the second.

The third concrete implementation mode: in this embodiment, which is a further limitation of the first or second embodiment, the diameter of the first mounting hole 9 is smaller than the outer diameter of the ball head 2. So set up and to ensure that bulb 2 exposes the outer volume of base 1 and be less than half of bulb 2 to strengthen the effect of stabilizing the connection between bulb 2 and the base 1, strengthen the stability of bulb 2 rotation in-process.

The fourth concrete implementation mode: this embodiment is a further limitation of the first, second or third embodiments, and the cable 6 is an OTG cable. The cable 6 is an existing product and is used for connecting the smart phone 7 with the acceleration sensor 5.

The fifth concrete implementation mode: this embodiment is the further injeciation of embodiment one, two, three or four, the top surface of base 1 has still processed standing groove 13 and recess 14 for the pole, the one end and the first mounting hole 9 of standing groove 13 for the pole are linked together, the other end and the recess 14 of standing groove 13 for the pole are linked together, standing groove 13 for the pole cooperatees with ball hinge pole 3, supporting platform 4 cooperatees with recess 14, when bulb 2 drives ball hinge pole 3 and supporting platform 4 and makes the whereabouts action that is close to base 1, ball hinge pole 3 sets up in standing groove 13 for the pole, supporting platform 4 sets up in recess 14, the tank bottom of recess 14 is provided with the plug 15 of cooperation cable 6, cable 6 can dismantle with plug 15 with smart mobile phone 7 matched with one end and be connected.

Standing groove 13 and recess 14 for the pole are used for providing respectively for ball pivot pole 3 and supporting platform 4 and place the position in this embodiment, play the effect to the two protection, effectively avoid external factors to produce striking or other influences to ball pivot pole 3 and supporting platform 4, lead to influencing the test accuracy. The position connection relationship between the placing groove 13 for the rod and the groove 14 can also ensure that the connection position between the acceleration sensor 5 and the cable 6 in the supporting platform 4 is stable and unchanged, and a safe protection effect is achieved.

The setting of standing groove 13 and recess 14 for the pole is favorable to accomodating of ball hinge pole 3 and supporting platform 4 in this embodiment, makes the utility model discloses dwindling the external space who occupies under being in unused state, portable can also play effective protection to ball hinge pole 3, supporting platform 4, acceleration sensor 5 and cable 6.

When the ball hinge rod 3 and the supporting platform 4 are respectively arranged in the placing groove 13 and the groove 14 for the rod in the embodiment, the ball hinge rod 3 and the supporting platform 4 can be indirectly limited to be stably positioned in the placing groove 13 and the groove 14 for the rod through the positioning of the positioning adjusting assembly and the positioning ball head 2, and the situation that the placing groove 13 and the groove 14 for the rod are loosened and removed is avoided.

The sixth specific implementation mode: in the first, second, third, fourth or fifth embodiment, a notch 16 is formed on the top of each of the two side walls of the groove 14. Two gaps 16 cooperate and are used for supporting the bottom of smart mobile phone 7, provide convenience for testing the placing position of smart mobile phone 7 in the vibration process, and enhance the diversity and stability of placing smart mobile phone 7.

The seventh embodiment: as a further limitation of this embodiment to the fifth or sixth embodiment, the bottom of the groove 14 is provided with a flexible pad 17. The flexible cushion block 17 is a composite block body with an inner supporting block matched with an outer flexible sheet and is used for protecting a connecting part between the supporting platform 4 and the cable 6, so that effective connection between the acceleration sensor 5 and the cable 6 is ensured.

The specific implementation mode is eight: this embodiment is further injectd for embodiment one, two, three, four, five, six or seven, including supporter and smart mobile phone 7, the supporter includes base 1, bulb 2, ball pivot pole 3, supporting platform 4, acceleration sensor 5 and cable 6, bulb 2 articulates on base 1, and the one end fixed connection of ball pivot pole 3 is on the sphere of bulb 2, and the other end of ball pivot pole 3 is provided with supporting platform 4, and acceleration sensor 5 sets up the inside at supporting platform 4, and smart mobile phone 7 can be dismantled and connect on supporting platform 4, and supporting platform 4 is passed to the one end of cable 6 and acceleration sensor 5 is connected, and the other end of cable 6 can be dismantled with smart mobile phone 7's socket and be connected. The smart phone 7 is an existing product, and the preferred model of the smart phone 7 is a mobile phone with a unique socket machined at the bottom of a machine body and used for being matched with the other end of the cable 6, so that a user can easily determine and connect the smart phone, and the operation difficulty is reduced.

The specific implementation method nine: the embodiment is further limited by the first, second, third, fourth, fifth, sixth, seventh or eighth specific embodiments, and a software system involved in the process of matching the smartphone 7 with the support body in the embodiment is a mobile phone client software installed in the smartphone 7, has a data processing function, obtains an acceleration peak value on the basis of raw data measured by the acceleration sensor 5, obtains a power spectral density curve after fourier transform, and further obtains a vibration frequency of the structure.

Further, the mobile phone client software comprehensively judges the structural vibration comfort level according to the structural vibration acceleration amplitude and the structural natural vibration frequency.

Furthermore, the mobile phone client software has an output function of a data processing result, and the data processing result comprises three indexes of a vertical vibration acceleration amplitude of the vertical structure, a horizontal vibration acceleration amplitude in the structure plane and a structure self-vibration frequency.

Further, the smart phone 7 supports user interaction to input basic information of the test structure, including the type of the structure, the use function and the height of the tested structure, and the mobile phone client software finally judges the structural comfort level according to the basic information of the structure and the data processing result.

Furthermore, the comfort level judgment basis of the mobile phone client software is related provisions in the current domestic industry standard and specification, including concrete structure design specification, high-rise building concrete technical specification, high-rise civil building steel structure technical specification and composite floor slab design and construction specification.

In the embodiment, the smart phone 7 is provided with mobile phone client software, the smart phone is connected with the built-in acceleration sensor 5 of the supporting platform 4 through the cable 6, the horizontal vibration data and the vertical vibration data of the structure are acquired through the acceleration sensor 5, and are transmitted to the controller of the smart phone 7 through the cable 6, the controller processes the original data measured by the acceleration sensor 5 through the mobile phone client application software, the structure horizontal vibration acceleration amplitude, the structure vertical vibration acceleration amplitude and the structure self-vibration frequency are acquired after data processing, the limit requirement on the comfort level is specified according to the structure basic information and the national standard of man-machine interactive input, and whether the comfort level of the measured structure meets the requirement is comprehensively judged. In addition, the mobile phone client software supports real-time display of the original test data. The test process does not need other external equipment and network requirements, and can obtain the vibration information of the structure in real time.

In this embodiment, the smart phone 7 supports the user to interactively input the basic information of the test structure, wherein the basic information of the structure includes the following aspects:

the type of the structure to be detected is divided into a concrete structure, a steel structure and a concrete combined structure.

And secondly, the using functions of the tested structure are divided into a house, an apartment, an office building, a hotel, a market, a restaurant, an indoor corridor, a large public building, a bridge and an ocean platform.

And thirdly, the height of the measured structure is used for distinguishing different standards and specifications applicable to comfort evaluation. And the mobile phone client software collects the vibration of the structure to be detected according to three indexes of the horizontal acceleration amplitude, the vertical acceleration amplitude and the natural vibration frequency of the structure obtained by the basic information of the structure and the data processing result, and gives out the final judgment of the comfort level. The comfort level judgment basis is related provisions in the current domestic industry standard and specification, including concrete structure design specification, high-rise building concrete technical specification, high-rise civil building steel structure technical specification and composite floor slab design and construction specification. When all three indexes meet the corresponding standard and standard requirements, the judgment result is that the comfort level requirement is met, and when at least one index does not meet the corresponding standard and standard requirements, the judgment result is that the comfort level requirement is not met.

When structural vibration test and comfort level aassessment, will the utility model discloses directly place in by survey structure surface can. In order to obtain a more accurate test result, the support body is matched with the smart phone 7 to effectively connect the smart phone 7, the acceleration sensor 5 and the tested structure, so that more ideal boundary conditions are realized.

The working process is as follows:

when the structure vibration and the comfort degree of the structure vibration need to be tested, the position of the ball head 2 is adjusted, the supporting platform 4 can stably support the smart phone 7, the cable 6 is connected with the smart phone 7, and the acceleration sensor 5 in the supporting platform 4 is connected with the smart phone 7 through the cable 6. The acceleration sensor 5 is used for measuring vibration data of the structure, including horizontal vibration data of the structure along the screen direction of the smart phone 7 and vertical vibration data vertical to the screen direction of the smart phone, and transmitting the vibration data to the smart phone 7 through the cable 6, and displaying a test result to a tester after the vibration data is processed by the smart phone 7.

In the testing process, when the rotating position of the ball head 2 needs to be adjusted, the control knob 8-2 is rotated to drive the control rod 8-1 to rotate, so that the end, located at the blind hole 12, of the control rod 8-1 moves towards the locating piece 8-3 to perform screwing-out action far away from the bottom of the blind hole 12, the control rod 8-1 moves towards the control knob 8-2 along the length direction of the control rod, the first arc-shaped surface 11 of the locating piece 8-3 is driven to be separated from the ball head 2, the clamping gap is enlarged, and the ball head 2 can be rotated and adjusted according to requirements. The reverse process of the process is the clamping process of the first arc-shaped surface 11 and the second arc-shaped surface facing the ball head 2 by the matching of the control rod 8-1, the positioning sheet 8-3 and the blind hole 12.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a supporter for testing structure vibration and evaluation comfort level which characterized in that: including base (1), bulb (2), ball pivot pole (3), supporting platform (4), acceleration sensor (5) and cable (6), bulb (2) articulate on base (1), and the one end fixed connection of ball pivot pole (3) is on the sphere of bulb (2), and the other end of ball pivot pole (3) is provided with supporting platform (4), and acceleration sensor (5) set up the inside at supporting platform (4), and the one end of cable (6) is passed supporting platform (4) and is connected with acceleration sensor (5), and the other end of cable (6) and the socket of smart mobile phone (7) cooperate and set up.

2. The support for testing structural vibrations and assessing comfort as claimed in claim 1, wherein: the ball head (2) is provided with a positioning adjusting assembly in a matched mode, the positioning adjusting assembly comprises a control rod (8-1), a control knob (8-2) and a positioning plate (8-3), a first mounting hole (9) is machined in the top surface of the base (1), a cavity (10) is machined in the base (1), the cavity (10) is arranged below the first mounting hole (9) and communicated with the first mounting hole (9), a first arc-shaped surface (11) and a blind hole (12) are sequentially machined in one side wall of the cavity (10) from top to bottom, the positioning plate (8-3) is arranged in the cavity (10), one side, facing the first arc-shaped surface (11), of the positioning plate (8-3) is a second arc-shaped surface, a clamping gap matched with the ball head (2) is formed between the first arc-shaped surface (11) and the second arc-shaped surface, one end of the control rod (8-1) penetrates through the positioning plate (8-3) and is in threaded connection with the blind hole (12, the other end of the control rod (8-1) penetrates through the other side wall of the cavity (10) and is arranged outside the base (1), the control knob (8-2) is fixedly installed at one end, located outside the base (1), of the control rod (8-1), the control rod (8-1) reciprocates along the length direction of the control rod, and the positioning piece (8-3) moves close to or away from the second arc-shaped surface under the driving of the control rod (8-1).

3. The support for testing structural vibrations and assessing comfort as claimed in claim 2, wherein: the aperture of the first mounting hole (9) is smaller than the outer diameter of the ball head (2).

4. The support for testing structural vibrations and assessing comfort as claimed in claim 1, wherein: the cable (6) is an OTG cable.

5. The support for testing structural vibrations and evaluating comfort according to claim 1, 2, 3 or 4, characterized in that: the top surface of base (1) has still processed standing groove (13) and recess (14) for the pole, the one end and first mounting hole (9) of standing groove (13) for the pole are linked together, the other end and recess (14) of standing groove (13) for the pole are linked together, standing groove (13) and ball hinge pole (3) cooperate for the pole, supporting platform (4) cooperate with recess (14), when bulb (2) drive ball hinge pole (3) and supporting platform (4) make the whereabouts action that is close to base (1), ball hinge pole (3) set up in standing groove (13) for the pole, supporting platform (4) set up in recess (14), the tank bottom of recess (14) is provided with plug (15) of cooperation cable (6), cable (6) and smart mobile phone (7) matched with one end and plug (15) can be dismantled and be connected.

6. The support for testing structural vibrations and assessing comfort as claimed in claim 5, wherein: the tops of the groove walls on the two sides of the groove (14) are respectively provided with a notch (16).

7. The support for testing structural vibrations and assessing comfort as claimed in claim 6, wherein: the bottom of the groove (14) is provided with a flexible cushion block (17).

8. A test device comprising the support body according to claim 1, wherein: including supporter and smart mobile phone (7), the supporter includes base (1), bulb (2), ball pivot pole (3), supporting platform (4), acceleration sensor (5) and cable (6), bulb (2) articulates on base (1), and the one end fixed connection of ball pivot pole (3) is on the sphere of bulb (2), and the other end of ball pivot pole (3) is provided with supporting platform (4), and acceleration sensor (5) set up the inside at supporting platform (4), and smart mobile phone (7) can be dismantled and connect on supporting platform (4), and the one end of cable (6) is passed supporting platform (4) and is connected with acceleration sensor (5), and the other end of cable (6) can be dismantled with the socket of smart mobile phone (7) and be connected.

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