CN113205737B - Rotation acceleration simulation test device and method based on digital modeling - Google Patents
Rotation acceleration simulation test device and method based on digital modeling Download PDFInfo
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- CN113205737B CN113205737B CN202110367448.7A CN202110367448A CN113205737B CN 113205737 B CN113205737 B CN 113205737B CN 202110367448 A CN202110367448 A CN 202110367448A CN 113205737 B CN113205737 B CN 113205737B
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Abstract
The invention discloses a rotation acceleration simulation test device and method based on digital modeling, and the device comprises a main body bin, wherein an annular bin is arranged at the top of the main body bin, a bearing is arranged at the top of the inner side of the annular bin, a turntable is arranged on the inner side of the bearing, a connecting bin is arranged at the center of the top of the turntable, a second storage battery and a single chip microcomputer are respectively arranged in the connecting bin, an installation column is arranged at the top of the connecting bin, an installation ring is sleeved on the outer side of the installation column, and four groups of laser displacement sensors are uniformly arranged at the top of the installation ring. The control panel, the turntable, the driving assembly, the rotating shaft, the via hole type conductive slip ring and the single chip microcomputer are used in a matched mode, the rotating speed of the driving assembly is adjusted continuously, the centrifugal force and the change rule of an object in different rotating speed processes can be known visually according to the numerical value displayed on the control panel, and the test effect of a rotating acceleration simulation test is improved.
Description
Technical Field
The invention relates to the technical field of experiment teaching devices, in particular to a rotation acceleration simulation test device and method based on digital modeling.
Background
The mass point which moves at a constant speed in the rotating reference system is subjected to a virtual force, namely Coriolis force, besides inertial centrifugal force, the acting force enables the mass point to generate Coriolis acceleration, namely Coriolis acceleration, in the moving process, the acceleration is the acceleration caused by mutual coupling of the rotation of a moving base and the relative movement of a moving point, and when tests such as rotation acceleration and the like are shown in a teaching mode, a corresponding test device is needed.
The conventional rotating acceleration simulation test device for education cannot measure the centrifugal force of an object in the process of different rotating speeds in real time and cannot visually check the data change between the centrifugal force and the rotating speed of the object in the process of adjusting the rotating speed of the device according to actual requirements in the using process; in addition, the current rotating acceleration simulation test device cannot measure the centrifugal force of objects with different weights at the same rotating speed at the same time and cannot measure the rotating radius of the objects with different weights at the same rotating speed in the using process, so that the practicability and the test efficiency of the whole device are reduced; meanwhile, most of the current rotation acceleration simulation test devices are large-size equipment, so that the device is not convenient to carry and cannot effectively protect the whole device.
Disclosure of Invention
The invention aims to provide a rotation acceleration simulation test device and method based on digital modeling, so as to solve the related problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a rotatory acceleration simulation test device based on digital modeling, includes the main part storehouse, annular storehouse is installed at the top in main part storehouse, and the inboard top in annular storehouse installs the bearing, the carousel is installed to the inboard of bearing, the central point department of putting at carousel top installs the connection storehouse, and connects the inside in storehouse and be provided with second battery and singlechip respectively, the erection column is installed at the top of connecting the storehouse, the outside cover of erection column is equipped with the collar, and the top of collar evenly installs four groups laser displacement sensor, the top of carousel evenly is provided with measuring component, the central point department of putting at main part storehouse top installs the poroid conductive slip ring, and the inboard of the conductive slip ring of via hole formula installs the axis of rotation, the top of axis of rotation and the bottom fixed connection of carousel, the position department of the non-centre of a circle in top is provided with the drive assembly who is connected with axis of rotation bottom transmission in the main part storehouse, first battery is installed to the inside one end in main part storehouse, the inside other end in main part storehouse evenly is provided with the balancing weight that mutually supports with measuring component, control panel is installed in the outside in main part storehouse, the second battery passes through the wire and is connected with laser displacement sensor electricity, first battery is connected with drive assembly electricity through the wire, control panel drive assembly electricity.
Preferably, the measuring component includes pressure sensor, inserted bar, coupling spring, main slider, supports board and main spout, four groups of main spouts have evenly been seted up at the top of carousel, and the inside one end of keeping away from the connection storehouse of main spout installs pressure sensor, the inside of main spout is provided with main slider, the inside of main spout is provided with coupling spring, and coupling spring's one end and main slider fixed connection, coupling spring's the other end is installed and is supported the board with pressure sensor mutually supported, the central point at main slider top puts the department and installs the inserted bar, the second battery passes through the wire and is connected with the pressure sensor electricity.
Preferably, four sets of limiting plates that mutually support with the inserted bar are evenly installed in the outside of collar, the anticreep piece is installed on the top of erection column, the outside cover of erection column is equipped with reset spring, and reset spring's both ends respectively with collar and anticreep piece fixed connection, the transversal rectangular structure form of personally submitting of erection column.
Preferably, drive assembly includes first gear, second gear and servo motor, the second gear is installed to the bottom in the axis of rotation outside, the top is close to central point department in the main part storehouse and installs servo motor, and servo motor's output install with second gear intermeshing's first gear.
Preferably, the outside screw thread in annular storehouse is provided with the visor, U type groove has been seted up to the intermediate position department at protection lid top, and the inboard in U type groove articulates there is U type handle.
Preferably, the central point department at top in the main part storehouse is provided with solid fixed ring, and the even screw thread in solid fixed ring's the outside is provided with fixing bolt, and solid fixed ring passes through set screw and the outside fixed connection of via hole formula conductive sliding ring.
Preferably, the auxiliary grooves are symmetrically formed in the two inner sides of the main sliding groove, and the auxiliary sliding blocks matched with the auxiliary grooves are symmetrically arranged on the two sides of the main sliding block and the abutting plate.
Preferably, the edge position department of carousel bottom has seted up annular rolling groove, the edge position department at main part storehouse top evenly installs the gyro wheel of mutually supporting with annular rolling groove.
Preferably, the outer sides of the main body bin are symmetrically provided with bin doors, the two sets of bin doors are respectively positioned at two ends of the control panel, and the outer sides of the bin doors are provided with handles.
Preferably, the use method of the rotational acceleration simulation test device based on digital modeling comprises the following steps:
1. when data such as centrifugal force, rotation acceleration and the like of an object with specified weight in different rotating speed processes need to be tested and measured, a limiting plate and a mounting ring are lifted manually to enable the inserted rods to leave the insides of the limiting plates, then an operator manually sleeves the same number of balancing weights in a main body bin on the outer sides of the four groups of inserted rods respectively, and then loosens the limiting plates to enable the four groups of limiting plates to be sleeved on the tops of the outer sides of the inserted rods again;
2. the rotating speed of the driving assembly is controlled to be changed continuously through the control panel, so that the rotating speed of the rotating shaft and the rotating disc can be changed continuously, all assemblies on the rotating disc can rotate along with the rotating disc, the main sliding block moves towards the edge of the rotating disc gradually in the main sliding groove due to the centrifugal force generated by the rotation, the stress of the connecting spring is shortened, the force applied by the main sliding block is transmitted to the pressure sensor through the abutting plate by the connecting spring, the centrifugal force applied by the connecting spring is changed continuously, the pressure applied by the pressure sensor is changed continuously, the pressure sensor transmits data to the single chip microcomputer in real time and then transmits the data to the control panel through the hole type conductive sliding ring, and the change condition of actual data is displayed through a display screen on the control panel;
3. if the centrifugal force of objects with different weights on the rotating disc with the same rotating speed is required to be tested, operators manually sleeve different numbers of balancing weights in the main body bin on the outer sides of the four groups of insertion rods respectively, and then control the driving assembly to drive the rotating shaft to rotate at a constant speed through the control panel, so that the more balancing weights are on the main sliding block, the larger the centrifugal force is on the main sliding block;
4. if need test the object in the rotation in-process object weight and angular velocity, centrifugal force and main slider turning radius between the relation, can control the distance between laser displacement sensor and the inserted bar outside top of real-time measurement, also can know the actual turning radius of main slider to calculate the relevant data of main slider rotation in-process according to these data.
Compared with the prior art, the invention provides a rotation acceleration simulation test device and method based on digital modeling, which have the following beneficial effects:
1. the invention utilizes the matching use of the control panel, the annular bin, the limiting plate, the bearing, the turntable, the driving component, the rotating shaft, the via hole type conductive slip ring, the second storage battery and the singlechip, utilizes the matching use of the driving component and the rotating shaft to drive the whole turntable to rotate, and the main slide block on the turntable can gradually move to the edge position of the turntable under the action of centrifugal force, and indirectly transmits the centrifugal force applied to the main slide block to the pressure sensor through the connecting spring and the resisting plate, and the pressure sensor transmits the applied extrusion force to the singlechip and then transmits the extrusion force to the display screen of the control panel through the via hole type conductive slip ring, and the rotating speed of the driving component is continuously adjusted, so that the centrifugal force and the change rule of an object applied in the process of different rotating speeds can be intuitively understood according to the numerical value displayed on the control panel, and the test effect of the rotating acceleration simulation test is improved.
2. According to the invention, through the matching use of the main body bin, the control panel, the annular bin, the limiting plate, the laser displacement sensor, the mounting column, the connecting bin, the measuring component, the bearing, the rotary table, the balancing weights, the driving component, the rotating shaft, the via hole type conductive slip ring, the second storage battery and the single chip microcomputer, different numbers of balancing weights are sleeved on the inserted rods at the tops of the four groups of main sliding blocks for balancing weights, so that in the rotating process of the rotary table, objects with different weights are subjected to centrifugal force at the same rotating speed, and when the main sliding blocks are far away from the connecting bin under the centrifugal force, the distance between the main sliding blocks and the central position of the rotary table at the rotating speed can be reached by the laser displacement sensor through detecting the distance from the top ends of the inserted rods, namely the rotating radius of the main sliding blocks, so that the relationship between the weight of the objects and the angular speed, the centrifugal force and the rotating radius of the main sliding blocks can be conveniently calculated or verified.
3. The main body bin, the protective cover and the annular bin are matched for use, so that the whole device is flat, the main body bin, the protective cover and the annular bin are used for protecting internal components when the device is not used, the portability of the whole device is improved, the safety of the device can be improved, and the protective cover can prevent external dust from entering the device when the device is not used.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front view of the present invention with the protective cover removed;
FIG. 3 is a front cross-sectional view of the present invention with the protective cover removed;
FIG. 4 is a top view of the present invention;
FIG. 5 is a top cross-sectional view of the present invention;
FIG. 6 is a perspective view of the turntable of the present invention;
FIG. 7 is an enlarged view taken at A of FIG. 3 according to the present invention;
fig. 8 is an enlarged view of fig. 3 at B according to the present invention.
In the figure: 1. a main body bin; 2. a protective cover; 3. a control panel; 4. an annular bin; 5. a limiting plate; 6. a laser displacement sensor; 7. mounting a column; 8. a connecting bin; 9. a measurement assembly; 901. a pressure sensor; 902. inserting a rod; 903. a connecting spring; 904. a main slider; 905. a resisting plate; 906. a main chute; 10. a first storage battery; 11. a bearing; 12. a turntable; 13. a balancing weight; 14. a drive assembly; 15. a rotating shaft; 16. a through hole type conductive slip ring; 17. a return spring; 18. a mounting ring; 19. a second storage battery; 20. and a single chip microcomputer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a rotatory acceleration simulation test device based on digital modeling, including main part storehouse 1, annular storehouse 4 is installed at the top in main part storehouse 1, and bearing 11 is installed at the inboard top in annular storehouse 4, carousel 12 is installed to bearing 11's inboard, the central point department of putting at carousel 12 top installs connection storehouse 8, and the inside of connecting storehouse 8 is provided with second battery 19 and singlechip 20 respectively, connect the top of storehouse 8 and install erection column 7, the outside cover of erection column 7 is equipped with the collar 18, and four groups of laser displacement sensor 6 are evenly installed at the top of collar 18, the top of carousel 12 evenly is provided with measuring component 9, the central point department of main part storehouse 1 top installs via hole formula conductive sliding ring 16, and the inboard of via hole formula conductive sliding ring 16 installs axis of rotation 15, the top of axis of rotation 15 and the bottom fixed connection of carousel 12, the position department of the top non-centre of a circle in main part storehouse 1 is provided with the drive assembly 14 of being connected with axis of rotation 15 bottom transmission, first battery 10 is installed to the inside one end in main part storehouse 1, the other end in main part storehouse 1 evenly is provided with the balancing weight piece 13 of mutually supporting with measuring component 9 that cooperates with measuring component 9, main part is installed to the outside of main part 1, control panel 3 is installed to the second battery 19 and is connected with the drive assembly electricity through the drive wire 14, the drive assembly of storage battery drive assembly, the drive assembly 14, the drive assembly is connected of storage battery 14, the drive assembly, the lead wire 14 is connected with the drive assembly electricity.
As a preferable embodiment of the present embodiment: the measuring component 9 comprises a pressure sensor 901, an insert rod 902, a connecting spring 903, a main sliding block 904, a resisting plate 905 and a main sliding groove 906, four groups of main sliding grooves 906 are uniformly formed in the top of the rotary table 12, the pressure sensor 901 is installed at one end, far away from the connecting bin 8, of the main sliding groove 906, the main sliding block 904 is arranged inside the main sliding groove 906, the connecting spring 903 is arranged inside the main sliding groove 906, one end of the connecting spring 903 is fixedly connected with the main sliding block 904, the resisting plate 905 matched with the pressure sensor 901 is installed at the other end of the connecting spring 903, the insert rod 902 is installed at the center of the top of the main sliding block 904, the second storage battery 19 is electrically connected with the pressure sensor 901 through a wire, and the centrifugal force of objects with different weights under different rotation accelerations can be accurately measured.
As a preferable embodiment of the present embodiment: four sets of limiting plates 5 mutually supporting with inserted bar 902 are evenly installed in the outside of collar 18, and the anticreep piece is installed on the top of erection column 7, and the outside cover of erection column 7 is equipped with reset spring 17, and reset spring 17's both ends respectively with collar 18 and anticreep piece fixed connection, the transversal rectangular structure form of personally submitting of erection column 7 is convenient for overlap balancing weight 13 on inserted bar 902 fast, and let balancing weight 13 be difficult for droing from inserted bar 902.
As a preferable aspect of the present embodiment: drive assembly 14 includes first gear, second gear and servo motor, and the second gear is installed to the bottom in the 15 outsides of axis of rotation, and the top is close to central point department of putting and installs servo motor in main part storehouse 1, and servo motor's output install with second gear intermeshing's first gear, drive axis of rotation 15 that can be stable rotates.
As a preferable embodiment of the present embodiment: the outside screw thread of annular storehouse 4 is provided with visor 2, and U type groove has been seted up to the intermediate position department at visor 2 top, and the inboard in U type groove articulates there is U type handle, and the operating personnel of being convenient for hand carries the device, carries the device.
As a preferable embodiment of the present embodiment: the central point department of putting at top is provided with solid fixed ring in main part storehouse 1, and the even screw thread in the outside of solid fixed ring is provided with fixing bolt, and solid fixed ring passes through the outside fixed connection of set screw with the conductive sliding ring 16 of via hole formula, is convenient for dismantle the conductive sliding ring 16 of via hole formula from main part storehouse 1 interior top and get off and overhaul.
Example two
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a rotatory acceleration simulation test device based on digital modeling, including main part storehouse 1, annular storehouse 4 is installed at the top in main part storehouse 1, and bearing 11 is installed at the inboard top in annular storehouse 4, carousel 12 is installed to bearing 11's inboard, the central point department of putting at carousel 12 top installs connection storehouse 8, and the inside of connecting storehouse 8 is provided with second battery 19 and singlechip 20 respectively, connect the top of storehouse 8 and install erection column 7, the outside cover of erection column 7 is equipped with the collar 18, and four groups of laser displacement sensor 6 are evenly installed at the top of collar 18, the top of carousel 12 evenly is provided with measuring component 9, the central point department of main part storehouse 1 top installs via hole formula conductive sliding ring 16, and the inboard of via hole formula conductive sliding ring 16 installs axis of rotation 15, the top of axis of rotation 15 and the bottom fixed connection of carousel 12, the position department of the top non-centre of a circle in main part storehouse 1 is provided with the drive assembly 14 of being connected with axis of rotation 15 bottom transmission, first battery 10 is installed to the inside one end in main part storehouse 1, the other end in main part storehouse 1 evenly is provided with the balancing weight piece 13 of mutually supporting with measuring component 9 that cooperates with measuring component 9, main part is installed to the outside of main part 1, control panel 3 is installed to the second battery 19 and is connected with the drive assembly electricity through the drive wire 14, the drive assembly of storage battery drive assembly, the drive assembly 14, the drive assembly is connected of storage battery 14, the drive assembly, the lead wire 14 is connected with the drive assembly electricity.
As a preferable aspect of the present embodiment: the measuring component 9 comprises a pressure sensor 901, an insert rod 902, a connecting spring 903, a main sliding block 904, a resisting plate 905 and a main sliding groove 906, four groups of main sliding grooves 906 are uniformly formed in the top of the rotary table 12, the pressure sensor 901 is installed at one end, far away from the connecting bin 8, of the main sliding groove 906, the main sliding block 904 is arranged inside the main sliding groove 906, the connecting spring 903 is arranged inside the main sliding groove 906, one end of the connecting spring 903 is fixedly connected with the main sliding block 904, the resisting plate 905 matched with the pressure sensor 901 is installed at the other end of the connecting spring 903, the insert rod 902 is installed at the center of the top of the main sliding block 904, the second storage battery 19 is electrically connected with the pressure sensor 901 through a wire, and the centrifugal force of objects with different weights under different rotation accelerations can be accurately measured.
As a preferable aspect of the present embodiment: four sets of limiting plates 5 mutually supporting with inserted bar 902 are evenly installed in the outside of collar 18, and the anticreep piece is installed on the top of erection column 7, and the outside cover of erection column 7 is equipped with reset spring 17, and reset spring 17's both ends respectively with collar 18 and anticreep piece fixed connection, the transversal rectangular structure form of personally submitting of erection column 7 is convenient for overlap balancing weight 13 on inserted bar 902 fast, and let balancing weight 13 be difficult for droing from inserted bar 902.
As a preferable embodiment of the present embodiment: drive assembly 14 includes first gear, second gear and servo motor, and the second gear is installed to the bottom in the 15 outsides of axis of rotation, and the top is close to central point department of putting and installs servo motor in main part storehouse 1, and servo motor's output install with second gear intermeshing's first gear, drive axis of rotation 15 that can be stable rotates.
As a preferable embodiment of the present embodiment: the outside screw thread of annular storehouse 4 is provided with visor 2, and U type groove has been seted up to the intermediate position department at visor 2 top, and the inboard in U type groove articulates there is U type handle, and the operating personnel of being convenient for hand carries the device, carries the device.
As a preferable embodiment of the present embodiment: the central point department of putting at top is provided with solid fixed ring in main part storehouse 1, and the even screw thread in the outside of solid fixed ring is provided with fixing bolt, and solid fixed ring passes through the outside fixed connection of set screw with the conductive sliding ring 16 of via hole formula, is convenient for dismantle the conductive sliding ring 16 of via hole formula from main part storehouse 1 interior top and get off and overhaul.
As a preferable embodiment of the present embodiment: auxiliary grooves are symmetrically formed in the two inner sides of the main sliding groove 906, and auxiliary sliding blocks matched with the auxiliary grooves are symmetrically arranged on the two sides of the main sliding block 904 and the abutting plate 905, so that the stability of the main sliding block 904 sliding in the main sliding groove 906 is further improved.
As a preferable embodiment of the present embodiment: the border position department of carousel 12 bottom has seted up annular rolling groove, and the border position department at main part storehouse 1 top evenly installs the gyro wheel of mutually supporting with annular rolling groove, helps improving the stability of carousel 12 at the rotation in-process.
As a preferable embodiment of the present embodiment: the door has been seted up to the outside symmetry in main part storehouse 1, and two sets of doors are located control panel 3's both ends respectively, and the outside of door is provided with the handle, is convenient for take out main part storehouse 1 inside balancing weight 13 to and overhaul or change main part storehouse 1 inside first battery 10.
As a preferable aspect of the present embodiment: a use method of a rotation acceleration simulation test device based on digital modeling comprises the following steps:
1. when the data such as centrifugal force, rotation acceleration and the like of an object with a specified weight in different rotating speed processes need to be tested and measured, the limiting plate 5 and the mounting ring 18 are lifted manually, the inserting rods 902 leave the insides of the limiting plates 5, at this time, an operator manually sleeves the same number of balancing weights 13 inside the main body bin 1 on the outer sides of the four groups of inserting rods 902 respectively, then loosens the limiting plates 5, and allows the four groups of limiting plates 5 to be sleeved on the tops of the outer sides of the inserting rods 902 again;
2. then, the driving assembly 14 is controlled by the control panel 3 to continuously change the rotating speed, so that the rotating shaft 15 and the turntable 12 also continuously change the rotating speed, all assemblies on the turntable 12 rotate along with the main slider 904, the main slider 904 gradually moves towards the edge of the turntable 12 in the main chute 906 due to the centrifugal force generated by the rotation, the stress of the connecting spring 903 is shortened, the connecting spring 903 transfers the force given by the main slider 904 to the pressure sensor 901 through the resisting plate 905, the centrifugal force applied to the connecting spring 903 continuously changes, the pressure applied to the pressure sensor 901 also continuously changes, the pressure sensor 901 transfers data to the single chip microcomputer 20 in real time and then transfers the data to the control panel 3 through the hole-type conductive slip ring 16, and the display screen on the control panel 3 displays the change condition of actual data;
3. if the centrifugal force of objects with different weights on the rotating disc with the same rotating speed is required to be tested, an operator manually sleeves different numbers of balancing weights 13 in the main body bin 1 on the outer sides of the four groups of insertion rods 902 respectively, and then controls the driving assembly 14 to drive the rotating shaft 15 to rotate at a constant speed through the control panel 3, the more balancing weights 13 on the main sliding block 904 are, the larger the centrifugal force on the main sliding block 904 is;
4. if need test the object in the rotation in-process object weight and angular velocity, centrifugal force and main slider 904 turning radius between the relation, can control laser displacement sensor 6 and measure the distance between laser displacement sensor 6 and the outside top of inserted bar 902 in real time, also can know the actual turning radius of main slider 904 to calculate the relevant data of main slider 904 rotation in-process according to these data.
The working principle is as follows: before the device is used, when data such as centrifugal force and rotation acceleration of an object with specified weight in different rotating speed processes are measured in a test mode, a limiting plate 5 and a mounting ring 18 are lifted manually, an inserted rod 902 is separated from the inside of the limiting plate 5, an operator manually sleeves the same number of balancing weights 13 in a main body bin 1 on the outer sides of four groups of inserted rods 902 respectively, then the limiting plate 5 is loosened, the four groups of limiting plates 5 are sleeved on the top of the outer side of the inserted rod 902 again, the stability of the main sliding block 904 and the inserted rod 902 in the rotating process can be improved, the balancing weights 13 are prevented from falling off, then the control panel 3 controls a driving assembly 14 to continuously change the rotating speed, a rotating shaft 15 and a rotating disc 12 also continuously change the rotating speed, all assemblies on the rotating disc 12 rotate along with the main sliding block 904 under the centrifugal force generated by rotation, the main sliding block 904 gradually moves towards the edge of the rotating disc 12 in the main sliding chute 906, the connecting spring 903 is stressed and shortened, elastic potential energy is stored, due to the characteristic of the connecting spring 903, one end of the connecting spring 903, which is far away from the main sliding block 904, the main sliding block 904 is transmitted to a pressure sensor through a pressure sensor 905, the pressure sensor 901 is displayed on the single chip microcomputer, the single chip microcomputer control panel 901, the pressure sensor 901 can be displayed on the single chip microcomputer, and the single chip microcomputer can be displayed on the single chip microcomputer 20, and the single chip microcomputer 20, the single chip microcomputer control panel 901, the single chip microcomputer can be displayed in real-board 901, and the display panel, and the pressure sensor 901; if the centrifugal force of objects with different weights on the rotating disc with the same rotating speed is to be tested, an operator can manually sleeve different numbers of balancing weights 13 in the main body bin 1 on the outer sides of the four groups of insertion rods 902 respectively, and then the control panel 3 controls the driving assembly 14 to drive the rotating shaft 15 to rotate at a constant speed, so that the more balancing weights 13 on the main sliding block 904 are, the larger the centrifugal force on the main sliding block 904 is; if the relation between the object weight and the angular velocity, the centrifugal force and the rotating radius of the main sliding block 904 in the rotating process of the object to be tested is needed, the laser displacement sensor 6 can be controlled to measure the distance between the laser displacement sensor 6 and the top of the outer side of the inserted rod 902 in real time, the actual rotating radius of the main sliding block 904 can be known, and therefore relevant data in the rotating process of the main sliding block 904 can be calculated according to the data.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a rotation acceleration simulation test device based on digital modeling, includes main part storehouse (1), its characterized in that: the device comprises a main body bin (1), an annular bin (4) is installed at the top of the main body bin (1), a bearing (11) is installed at the top of the inner side of the annular bin (4), a rotary table (12) is installed at the inner side of the bearing (11), a connecting bin (8) is installed at the central position of the top of the rotary table (12), four groups of laser displacement sensors (6) are respectively arranged inside the connecting bin (8), a mounting column (7) is installed at the top of the connecting bin (8), a mounting ring (18) is sleeved on the outer side of the mounting column (7), four groups of laser displacement sensors (6) are evenly installed at the top of the mounting ring (18), measuring components (9) are evenly arranged at the top of the rotary table (12), a through hole type conductive sliding ring (16) is installed at the central position of the top of the main body bin (1), a rotating shaft (15) is installed at the inner side of the through hole type conductive sliding ring (16), the top of the rotating shaft (15) is fixedly connected with the bottom of the rotary table (12), a driving component (14) in transmission connection with the bottom end of the rotating shaft (15) is arranged at the position of the non-circle center of the top of the inner top of the main body bin (1), a balancing weight (10) is installed at the inner end of the main body bin (1), measuring component (13) which is evenly matched with the main body bin (1), and the main body bin (9) which the main body bin (1), a control panel (3) is installed on the outer side of the main body bin (1), the second storage battery (19) is electrically connected with the laser displacement sensor (6) through a lead, the first storage battery (10) is electrically connected with the driving assembly (14) through a lead, and the control panel (3) is electrically connected with the driving assembly (14) through a lead; the laser displacement sensor (6) can be controlled to measure the distance between the laser displacement sensor (6) and the top of the outer side of the inserted link (902) in real time;
the measuring assembly (9) comprises pressure sensors (901), insert rods (902), connecting springs (903), a main sliding block (904), a resisting plate (905) and a main sliding groove (906), wherein four groups of main sliding grooves (906) are uniformly formed in the top of the rotary table (12), the pressure sensors (901) are installed at one end, far away from the connecting bin (8), of the interior of each main sliding groove (906), the main sliding blocks (904) are arranged in the interior of each main sliding groove (906), the connecting springs (903) are arranged in the interior of each main sliding groove (906), one ends of the connecting springs (903) are fixedly connected with the main sliding blocks (904), the resisting plates (905) matched with the pressure sensors (901) are installed at the other ends of the connecting springs (903), the insert rods (902) are installed at the center positions of the tops of the main sliding blocks (904), and the second storage battery (19) is electrically connected with the pressure sensors (901) through wires; four groups of limiting plates (5) matched with the inserted rods (902) are uniformly arranged on the outer side of the mounting ring (18).
2. The rotational acceleration simulation test device based on digital modeling according to claim 1, characterized in that: anticreep piece is installed on the top of erection column (7), the outside cover of erection column (7) is equipped with reset spring (17), and reset spring (17) both ends respectively with collar (18) and anticreep piece fixed connection, the transversal rectangular structure form of personally submitting of erection column (7).
3. The rotational acceleration simulation test device based on digital modeling according to claim 2, characterized in that: drive assembly (14) include first gear, second gear and servo motor, the second gear is installed to the bottom in axis of rotation (15) outside, main part storehouse (1) interior top is close to central point and puts the department and install servo motor, and servo motor's output install with second gear intermeshing's first gear.
4. The rotational acceleration simulation test device based on digital modeling according to claim 3, characterized in that: the outside screw thread in annular storehouse (4) is provided with visor (2), U type groove has been seted up to the intermediate position department at visor (2) top, and the inboard in U type groove articulates there is U type handle.
5. The rotational acceleration simulation test device based on digital modeling according to claim 4, characterized in that: the center position department at top in main part storehouse (1) is provided with solid fixed ring, and the even screw thread in the outside of solid fixed ring is provided with fixing bolt, and solid fixed ring passes through the outside fixed connection of set screw and via hole formula conductive sliding ring (16).
6. The rotational acceleration simulation test device based on digital modeling according to claim 5, characterized in that: auxiliary grooves are symmetrically formed in the inner two sides of the main sliding groove (906), and auxiliary sliding blocks matched with the auxiliary grooves are symmetrically arranged on the two sides of the main sliding block (904) and the abutting plate (905).
7. The rotational acceleration simulation test device based on digital modeling according to claim 6, characterized in that: the edge position department of carousel (12) bottom has seted up annular rolling groove, the edge position department at main part storehouse (1) top evenly installs the gyro wheel of mutually supporting with annular rolling groove.
8. The rotational acceleration simulation test device based on digital modeling according to claim 7, characterized in that: the outside symmetry of main part storehouse (1) has seted up the door, and two sets of doors are located the both ends of control panel (3) respectively, and the outside of door is provided with the handle.
9. The use method of the rotational acceleration simulation test device based on digital modeling according to claim 8, comprising the following steps:
1. when centrifugal force and rotation acceleration data of an object with specified weight in different rotating speed processes are measured in a test mode, a limiting plate (5) and a mounting ring (18) are lifted manually, an inserted rod (902) is separated from the inside of the limiting plate (5), then an operator manually sleeves the same number of balancing weights (13) in a main body bin (1) on the outer sides of four groups of inserted rods (902) respectively, then loosens the limiting plate (5), and the four groups of limiting plates (5) are sleeved on the top of the outer side of the inserted rod (902) again;
2. then, the rotating speed of the driving assembly (14) is controlled to be changed continuously through the control panel (3), so that the rotating speed of the rotating shaft (15) and the rotating disc (12) can be changed continuously, all assemblies on the rotating disc (12) can rotate along with the rotating shaft, the main sliding block (904) moves towards the edge of the rotating disc (12) gradually in the main sliding groove (906) due to centrifugal force generated by rotation, the stress of the connecting spring (903) is shortened, the connecting spring (903) transmits the force given by the main sliding block (904) to the pressure sensor (901) through the abutting plate (905), the centrifugal force applied by the connecting spring (903) is changed continuously, the pressure applied by the pressure sensor (901) is changed continuously, the pressure sensor (901) transmits data to the single chip microcomputer (20) in real time and then transmits the data to the control panel (3) through the hole type conductive sliding ring (16), and a display screen on the control panel (3) displays the change situation of actual data;
3. if the centrifugal force of objects with different weights on the rotating disc with the same rotating speed is required to be tested, an operator manually sleeves different numbers of balancing weights (13) in the main body bin (1) on the outer sides of the four groups of insertion rods (902), and then controls the driving assembly (14) to drive the rotating shaft (15) to rotate at a constant speed through the control panel (3), the more balancing weights (13) on the main sliding block (904) are, the larger the centrifugal force on the main sliding block (904) is;
4. if the relation between the weight of the object and the angular velocity, the centrifugal force and the rotating radius of the main sliding block (904) in the rotating process of the object to be tested is needed, the laser displacement sensor (6) can be controlled to measure the distance between the laser displacement sensor (6) and the top of the outer side of the inserted rod (902) in real time, the actual rotating radius of the main sliding block (904) can be known, and therefore relevant data in the rotating process of the main sliding block (904) can be calculated according to the data.
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