Centrifugal experiment device for simulating rotating speed of tire

Abstract

The utility model relates to a centrifugal experiment device for simulating the rotating speed of a tire. The centrifugal experiment device comprises a processing table, a driving motor, a transmission assembly, a rotating seat and a carrying disc, the driving motor is arranged, the driving motor provides power, the power is transmitted to the rotating seat through the transmission assembly, and the rotating seat and the carrying disc rotate together; a plurality of placing cavities which are annularly distributed are formed in the carrying disc, sliding covers are arranged at the upper ends of the placing cavities, the placing cavities are used for storing crystals, and buffer pads are used for fixing the crystals, so that the situation that the crystals are damaged and cannot be detected due to collision of the crystals during rotation is prevented; the driving motor is connected with a control box, the output power of the driving motor is controlled through the control box, then the rotating speed of the rotating base and the rotating speed of the carrying disc are controlled, and different types of crystals can be detected at different rotating speeds. When the rotating base rotates, the speed measuring assembly detects the rotating speed of the rotating base, and centrifugal force borne by the crystal can be calculated conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal experimental device technical field, especially relate to a centrifugal experimental device of simulation tire rotating speed. BACKGROUND

[0002] In certain application fields, such as aerospace, automotive and industrial control, quartz crystals may experience high-speed rotation during use. In this case, the equipment may be subjected to a large centrifugal force, and quartz crystals are very sensitive to acceleration, which may affect the load resonance frequency and equivalent load resonance resistance, leading to instability of the output frequency. The centrifuge is the core part of the experimental device, which is used to generate centrifugal force to simulate the working environment of high-speed rotation of tires. By adjusting the speed of the centrifuge, the tire speed under different working conditions is simulated.

[0003] The existing device may cause abnormality of the equipment, even damage, and personnel casualties when the output of the quartz crystal is unstable during use, so we need to provide a centrifugal experimental device for simulating tire rotating speed. UTILITY MODEL CONTENT

[0004] Therefore, it is necessary to provide a centrifugal experimental device for simulating tire rotating speed, which is convenient for experimental on quartz crystal, detects the centrifugal force that the quartz can withstand, and selects appropriate quartz crystal according to the use environment, avoids unstable output of the crystal during use, causes abnormality of the equipment, even damage, and personnel casualties, and improves the safety of the equipment.

[0005] The utility model solves the above technical problem, and the technical scheme is as follows: a centrifugal experimental device for simulating tire rotating speed, comprising: a machining table, a driving motor, a transmission assembly, a rotating seat and a carrier disc;

[0006] The inside of the machining table is provided with a driving motor and a mounting portion, a first pulley is arranged on the output end of the driving motor, and the mounting portion is arranged above the driving motor; the transmission assembly comprises a belt, a second pulley and a transmission gear arranged on both sides of the mounting portion, the second pulley is located directly above the first pulley, the second pulley and the first pulley are connected through the belt, and the transmission gear is connected with the second pulley through a connecting shaft fixed on the mounting portion; the rotating seat is rotatably connected with the upper end surface of the machining table, a rotating gear is arranged below the rotating seat, and the rotating gear is engaged with the transmission gear; the carrier disc comprises a plurality of placing cavities arranged in a ring shape on the upper end surface of the rotating seat and a sliding cover arranged on the upper end of the placing cavity; the inside of the placing cavity is provided with a buffer pad, and the buffer pad is used for wrapping the crystal arranged in the placing cavity.

[0007] In one embodiment, the machining table is provided with a rotating seat fixing component, which includes a fixing member with a vertical cross-section in the shape of an "I", support rods evenly distributed around the rotating seat, and a connecting plate connecting the fixing member and the support rods. The lower end of the fixing member is located below the rotating gear, and the upper end of the fixing member passes through the upper surface of the machining table and is fixedly connected to one end of the connecting plate. The other end of the connecting plate is connected to the support rods.

[0008] In one embodiment, a housing is provided on the side wall surrounding the processing table, the height of the housing being greater than the height of the processing table, and a cover plate is provided at the upper end of the housing.

[0009] In one embodiment, the cover plate is provided with a through hole, which is coaxially arranged with the tray and the size of the through hole is the same as the size of the tray.

[0010] In one embodiment, a sealing flap is provided inside the through hole, the shape of the sealing flap matches the shape of the through hole, a flap fixing part is provided on the outside of the sealing flap, and the sealing flap is rotatably connected to the flap fixing part through a flap connecting rod.

[0011] In one embodiment, a speed measuring component is further included, which includes a speed measuring rod fixed to the upper surface of the processing table and a speed meter fixed to the upper surface of the cover plate.

[0012] In one embodiment, the speed measuring stick and the speedometer are connected by a signal, and the speedometer is equipped with a display screen for displaying the instantaneous speed detected by the speed measuring stick in real time.

[0013] In one embodiment, a control box is provided on one side of the housing, and the control box is electrically connected to the drive motor.

[0014] In one embodiment, an electrical box is provided on one side wall adjacent to the control box of the housing, and both the control box and the speed measuring component are electrically connected to the electrical box.

[0015] In one embodiment, the outer casing is provided with heat dissipation baffles on the side walls away from the control box and electrical box, and the heat dissipation baffles are provided with a plurality of heat dissipation holes arranged in an array.

[0016] The utility model discloses a centrifugal experiment device of simulation tire rotating speed provides a drive motor in the inside setting of processing table, and drive motor provides power, and through the transmission assembly fixed on the installation part, power is transmitted to the rotating seat, makes the rotating seat and the object table rotate together, be provided with a plurality of placing cavities of annular distribution on the object table, and the placing cavity upper end is equipped with the slide cover, and the placing cavity receives the crystal and uses the buffer pad to fix the crystal, prevents the crystal from colliding when rotating, leads to the crystal damage, drive motor is connected with the control box, and the output power of drive motor is controlled through the control box, and the rotating speed of rotating seat and object table is controlled, can detect the different rotating speed of different types of crystal, when rotating, the rotating speed of rotating seat is detected to the speed measuring component, and the centrifugal force that the crystal is subjected to is calculated. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiment of the present application, the following will briefly introduce the drawing needed to be used in the embodiment, it should be understood that the following drawings only show some embodiments of the present application, therefore should not be regarded as the limitation to the scope, for ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other related drawings according to these drawings.

[0018] Figure 1 It is a structure schematic diagram of centrifugal experiment device of simulation tire rotating speed of one embodiment;

[0019] Figure 2 It is the processing machine structure schematic diagram of centrifugal experiment device of simulation tire rotating speed of one embodiment;

[0020] Figure 3 It is the section structure schematic diagram of centrifugal experiment device of simulation tire rotating speed of one embodiment.

[0021] In the drawing, 10, centrifugal experiment device of simulation tire rotating speed;100, processing table;110, installation part;200, drive motor;210, first pulley;300, transmission assembly;310, second pulley;320, transmission gear;400, rotating seat;410, rotating gear;500, object table;510, placing cavity;520, slide cover;600, rotating seat fixing part;610, fixed part;620, support rod;630, connecting plate;700, shell;710, control box;720, electric box;730, heat dissipation baffle;800, cover plate;810, sealing flap;820, flap fixing part;830, connecting rod;900, speed measuring component;910, speed measuring stick;920, speed meter. DETAILED DESCRIPTION

[0022] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The technical scheme of the utility model will be further described below in combination with the drawings of the embodiments of the utility model. The utility model is not limited to the following specific embodiments.

[0023] It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top" and "bottom" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing the position relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the patent. For ordinary skilled persons in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0024] In one embodiment, as shown in Figure 1 , Figure 2 and Figure 3 , a centrifugal experiment device 10 for simulating tire rotating speed comprises a machining table 100, a driving motor 200, a transmission assembly 300, a rotating seat 400 and a carrier disc 500; the inside of the machining table 100 is provided with the driving motor 200 and a mounting portion 110, the output end of the driving motor 200 is provided with a first pulley 210, and the mounting portion 110 is arranged above the driving motor 200; the transmission assembly 300 comprises a belt and a second pulley 310 and a transmission gear 320 arranged on both sides of the mounting portion 110 respectively, the second pulley 310 is located directly above the first pulley 210, the second pulley 310 and the first pulley 210 are connected through the belt, the transmission gear 320 is connected with the second pulley 310 through a connecting shaft fixed on the mounting portion 110, and the connecting shaft is rotatably fixed on the mounting portion 110; the rotating seat 400 is rotatably connected with the upper end surface of the machining table 100, a rotating gear 410 is arranged below the rotating seat 400, and the rotating gear 410 is engaged with the transmission gear 320; the carrier disc 500 comprises a plurality of placing cavities 510 distributed in a ring shape on the upper end surface of the rotating seat 400 and a sliding cover 520 arranged on the upper end of the placing cavity 510; the inside of the placing cavity 510 is provided with a buffer pad, and the buffer pad is used for wrapping the crystal arranged in the placing cavity 510.

[0025] In this embodiment, a drive motor 200 is provided inside the processing table 100, and a rotating seat 400 and a worktable 500 are provided on the upper surface of the processing table 100. A belt connects the second pulley 310 in the transmission assembly 300 and the first pulley 210 on the drive motor 200. The transmission gear 320 in the transmission assembly 300 meshes with the rotation gear 410 of the rotating seat 400. Under the action of the drive motor 200, the rotating seat 400 drives the worktable 500 to rotate at high speed, simulating the high-speed rotation of a tire. The worktable 500 includes a plurality of placement cavities 510 distributed in a ring on the rotating seat 400 and a plurality of slides disposed on the placement cavities 510. Cover 520; The sliding cover 520 includes a vertical partition and a horizontal partition connected together. The vertical partition of the sliding cover 520 is fixedly connected to the side wall of the placement cavity 510 by screws. The horizontal partition of the sliding cover 520 covers the upper end of the placement cavity 510 to prevent the crystal from falling off during high-speed rotation and to ensure experimental safety. The buffer pad inside the placement cavity 510 is made of sponge material, which has a good shock absorption effect and ensures that the crystal will not be damaged by collision during high-speed rotation. At the same time, the design of the loading disk 500 keeps it balanced during rotation. When testing a small number of crystals, the balance can be achieved by adding a counterweight. The counterweight can be flexibly adjusted according to actual needs to improve the accuracy of the test results.

[0026] In one embodiment, the processing table 100 is provided with a rotating seat fixing component 600. The rotating seat fixing component 600 includes a fixing member 610 with a vertical cross-section in the shape of an "I", support rods 620 evenly distributed around the rotating seat 400, and a connecting plate 630 connecting the fixing member 610 and the support rods 620. The lower end of the fixing member 610 is located below the rotating gear 410, and the upper end of the fixing member 610 passes through the upper end face of the processing table 100 and is fixedly connected to one end of the connecting plate 630. The other end of the connecting plate 630 is connected to the support rods 620. Specifically, the support rods 620 are arranged in a ring and evenly distributed around the rotating seat 400. The height of the support rods 620 is higher than the height of the carrying tray 500. The lower end of the support rods 620 is fixedly connected to the processing table 100, and the upper end is fixedly connected to the first end of the connecting plate 630. The second end of the connecting plate 630 is fixedly connected to the upper end face of the fixing member 610 by screws. The number of connecting plates 630 is the same as the number of support rods 620. The upper and lower ends of the side wall of the fixing member 610 are provided with fixing protrusions. The fixing member 610 extends through the rotating seat 400 to the lower end of the rotating gear 410. The fixing protrusion at the lower end of the fixing member 610 is located below the rotating gear 410. The fixing protrusion at the upper end of the fixing member 610 is fixedly connected to the connecting plate 630. The rotating seat fixing member 600 provides stable support for the rotating seat 400, so that the rotating seat 400 and the carrying tray 500 remain stable during rotation, avoiding experimental errors caused by vibration.

[0027] In one embodiment, the side walls surrounding the processing table 100 are provided with an outer shell 700, the height of the outer shell 700 is greater than the height of the processing table 100, and the upper end of the outer shell 700 is provided with a cover plate 800. Specifically, the outer shell 700 is arranged on each of the four side walls of the processing table 100, and the cover plate 800 is arranged at the upper end of the outer shell 700. The height of the outer shell 700 is greater than the height of the processing table 100, so that the outer shell 700 and the cover plate 800 surround the processing table 100, effectively isolating external interference and ensuring stable experimental environment when experiments are carried out on the processing table 100.

[0028] In one embodiment, the cover plate 800 is provided with a through hole, the through hole is coaxially arranged with the sample plate 500, and the size of the through hole is the same as that of the sample plate 500; a sealing flap 810 is arranged in the through hole, the shape of the sealing flap 810 matches the shape of the through hole, the outer side of the sealing flap 810 is provided with a flap fixing part 820, and the sealing flap 810 is rotationally connected with the flap fixing part 820 through a flap connecting rod 830. Specifically, the cover plate 800 is provided with a circular through hole, the size of the through hole is the same as that of the sample plate 500, and the through hole is located directly above the sample plate 500. The crystal to be detected is put into or taken out of the sample plate 500 through the through hole; the size and shape of the sealing flap 810 are the same as those of the through hole, the flap fixing part 820 is fixed on the upper end surface of the cover plate 800 and located outside the through hole, and the sealing flap 810 is rotationally connected with the flap fixing part 820 through the connecting rod 830, so that the sealing flap 810 can rotate around the flap fixing part 820, facilitating opening or closing the through hole at any time during the experiment; a sealing gasket is further arranged on the inner side of the sealing flap 810, which not only ensures the sealing between the through hole and the sample plate 500, but also reduces the collision degree between the sealing flap 810 and the cover plate 800, prolonging the service life of the equipment.

[0029] In one embodiment, a speed measuring assembly 900 is further included, the speed measuring assembly 900 includes a speed measuring rod 910 fixed on the upper end surface of the processing table 100 and a speed meter 920 fixed on the upper end surface of the cover plate 800; the speed measuring rod 910 and the speed meter 920 are signal connected, and the speed meter 920 is provided with a display screen for displaying the instantaneous speed detected by the speed measuring rod 910 in real time. Specifically, the speed measuring rod 910 is fixed on the upper end surface of the processing table 100, and the rotating speed of the sample plate 500 is detected by the speed measuring rod 910; the speed meter 920 is arranged on the upper end surface of the cover plate 800 and signal connected with the speed measuring rod 910, and the display screen on the speed meter 920 displays the data collected by the speed measuring rod 910 in real time, facilitating real-time monitoring of the rotating speed of the sample plate 500 during the experiment, accurate control of experimental conditions, and improvement of the reliability and repeatability of experimental results.

[0030] In one embodiment, the housing 700 is provided with a control box 710 on one side, and the control box 710 is electrically connected with the driving motor 200. Specifically, the control box 710 is fixed on the outer side wall of the housing 700, and a frequency converter is arranged in the control box 710, the frequency converter is electrically connected with the driving motor 200, the rotating speed of the driving motor 200 is adjusted through the frequency converter, and then the rotating speed of the carrier disc 500 is controlled, so that the rotating parameters can be accurately controlled in the experimental process, and different experimental requirements can be met.

[0031] In one embodiment, the housing 700 is provided with an electric box 720 on one side wall adjacent to the control box 710, and the control box 710 and the speed measuring assembly 900 are electrically connected with the electric box 720. Specifically, the electric box 720 is arranged on the outer side wall of the housing 700 on the side close to the output end of the driving motor 200, and the side wall where the electric box 720 is arranged is adjacent to the side wall where the control box 710 is arranged, the electric box 720 is connected with the control box 710 and the speed measuring assembly 900, and stable power supply is provided for the control box 710 and the speed measuring assembly 900, so that the system can run stably.

[0032] In one embodiment, the housing 700 is provided with a heat dissipation baffle 730 on the side wall away from the control box 710 and the electric box 720, and a plurality of arrayed heat dissipation holes are arranged on the heat dissipation baffle 730. Specifically, the heat dissipation baffles 730 are arranged on the two side walls of the housing 700 away from the control box 710 and the electric box 720, i.e. the two side walls except the side wall where the control box 710 is arranged and the side wall where the electric box 720 is arranged, and the heat dissipation holes are arranged on the heat dissipation baffles 730. Through the heat dissipation holes, the heat dissipation efficiency of the equipment is effectively improved, the equipment failure caused by overheating is prevented, and the service life of the equipment is further prolonged.

[0033] The general working process of the utility model is as follows: first, open the sealing flap 810 and the sliding cover 520, if the number of crystals to be detected is sufficient, evenly place the crystals to be detected in each placing cavity 510 of the carrier disc 500; if the number of crystals is small, appropriately distribute the crystals in one or several placing cavities 510, and add counterweights in the remaining placing cavities 510 to level, then close the sliding cover 520 and the sealing flap 810; then, start the driving motor 200, adjust the rotating speed to a predetermined value through the control box 710, so that the carrier disc 500 reaches the predetermined rotating speed and stably rotates; at the same time, the rotating speed is monitored in real time through the tachometer 920, so that the experimental conditions are consistent; finally, record the experimental data, take out the crystals from the placing cavities 510 by opening the sealing flap 810 and the sliding cover 520, detect the performance change of the crystals after centrifugal force test, and evaluate the stability and reliability of the crystals under different rotating speeds, so as to provide a basis for selecting appropriate crystals for the equipment applied in different scenes.

[0034] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and also impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.

Claims

1. A centrifugal experimental apparatus for simulating tire rotation speed, characterized in that, include: Processing table, drive motor, transmission components, rotary table, and work tray; The processing table is equipped with a drive motor and a mounting part. The output end of the drive motor is provided with a first pulley, and the mounting part is located above the drive motor. The transmission assembly includes a belt and second pulleys and a transmission gear respectively located on both sides of the mounting part. The second pulleys are located directly above the first pulleys and are connected to the first pulleys by a belt. The transmission gear is connected to the second pulleys by a connecting shaft fixed on the mounting part. The rotating seat is rotatably connected to the upper end face of the processing table. A rotating gear is located below the rotating seat and meshes with the transmission gear. The carrying tray includes multiple placement cavities distributed in a ring on the upper end face of the rotating seat and a sliding cover located on the upper end of the placement cavity. A buffer pad is provided inside the placement cavity to wrap the crystal placed in the placement cavity.

2. The centrifugal experimental apparatus for simulating tire rotation speed according to claim 1, wherein The machining table is provided with a rotating seat fixing component, which includes a fixing member with a vertical cross section in the shape of an "I", support rods evenly distributed around the rotating seat, and a connecting plate connecting the fixing member and the support rods. The lower end of the fixing member is located below the rotating gear, and the upper end of the fixing member passes through the upper surface of the machining table and is fixedly connected to one end of the connecting plate. The other end of the connecting plate is connected to the support rod.

3. The centrifugal experimental apparatus for simulating tire rotation speed according to claim 1, wherein An outer shell is provided on the side wall surrounding the processing table. The height of the outer shell is greater than the height of the processing table, and a cover plate is provided at the upper end of the outer shell.

4. The centrifugal experimental apparatus for simulating tire rotation speed according to claim 3, wherein The cover plate is provided with a through hole, which is coaxially arranged with the tray and the size of the through hole is the same as the size of the tray.

5. The centrifugal experimental apparatus for simulating tire rotation speed according to claim 4, wherein A sealing flip cover is provided inside the through hole. The shape of the sealing flip cover matches the shape of the through hole. A flip cover fixing part is provided on the outside of the sealing flip cover. The sealing flip cover is rotatably connected to the flip cover fixing part through a flip cover connecting rod.

6. The centrifugal experimental apparatus for simulating tire rotation speed according to claim 5, wherein It also includes a speed measuring component, which includes a speed measuring rod fixed to the upper surface of the processing table and a speed meter fixed to the upper surface of the cover plate.

7. The centrifugal experimental apparatus for simulating tire rotation speed according to claim 6, wherein The speed measuring rod and the speedometer are connected by a signal, and the speedometer is equipped with a display screen to display the instantaneous speed detected by the speed measuring rod in real time.

8. The centrifugal experimental apparatus for simulating tire rotation speed according to claim 7, wherein A control box is provided on one side of the housing, and the control box is electrically connected to the drive motor.

9. The centrifugal experimental apparatus for simulating tire rotation speed according to claim 8, wherein An electrical box is located on one side wall adjacent to the control box of the outer casing, and both the control box and the speed measuring component are electrically connected to the electrical box.

10. The centrifugal experimental apparatus for simulating tire rotation speed according to claim 9, wherein The outer casing is provided with heat dissipation baffles on the side walls away from the control box and electrical box, and the heat dissipation baffles are provided with multiple arrayed heat dissipation holes.

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