Vibration table for simulating automobile transportation
By using a motor-driven eccentric wheel and an elastic connection system, the problem of existing vibration tables being unable to simulate multi-directional vibrations is solved, enabling accurate simulation of complex vibration environments and reducing equipment complexity and cost.
Patent Information
- Application Number
- CN202520530662.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-25
AI Technical Summary
Existing vibration tables have limitations in simulating the vibration environment of automobile transportation. They cannot fully reproduce complex multi-directional vibrations, and their structures are complex and costly.
The system employs an eccentric wheel mechanism driven by a motor and an elastic connection system. The eccentric wheel converts rotational motion into multi-directional reciprocating motion. Combined with the sliding design of springs and wire ropes, it achieves multi-directional and irregular vibration simulation, avoiding mechanical connections and complex control systems.
It achieves a high degree of consistency simulation with the actual vibration environment of automobile transportation, reduces the difficulty of design and manufacturing, improves the accuracy and stability of vibration testing, and reduces equipment costs.
Smart Images
Figure CN223808085U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a vibration table technical field especially is related to a simulation automobile transportation vibration table. BACKGROUND
[0002] In the prior art of vibration table technology, the traditional transportation test device has many limitations in simulating the automobile transportation vibration environment. Most devices can only realize single-direction swing, such as horizontal or vertical and oblique. This single-direction vibration mode cannot comprehensively restore the complex vibration situation of the automobile in the road driving. For example, during the transportation process, the automobile will encounter various road conditions, such as bumps, potholes, slopes, etc. The above road conditions will cause the vehicle to produce multi-directional and irregular vibrations. Due to the limitations of structure and function, the traditional device cannot simulate this complex vibration environment, resulting in a large deviation between the test results and the actual situation.
[0003] In the prior art, some technical solutions use multiple swing mechanisms to improve the simulation effect, but there are problems of complex structure and high cost. For example, in order to realize multi-directional vibration simulation, these solutions often need to increase multiple swing mechanisms and complex integration of mechanical connection and control system, which not only has poor stability, but also increases the difficulty of design and manufacturing.
[0004] In order to overcome the above-mentioned shortcomings, the inventor has invented a simulation automobile transportation vibration table. CONTENT OF THE UTILITY MODEL
[0005] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a simulation automobile transportation vibration table, which can simulate multi-directional and irregular vibrations, realize complex vibration environment simulation, and make the test results not deviate greatly from the actual situation. At the same time, it has strong stability, does not need complex integration of mechanical connection and control system, and reduces the difficulty of design and manufacturing.
[0006] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical solutions:
[0007] The utility model provides an analog car transport shaking table, including base and riser, the bottom of riser is connected with base, and the riser is provided with through -hole, and the horizontal pole passes through the through -hole, and one end of horizontal pole is connected with the lateral wall of U component, and the other end of horizontal pole is connected with the one end of steel wire rope, and one end of first spring is connected with the lateral wall of U component, and the other end of first spring is connected with riser, and first spring is set on the horizontal pole, and the inner surface of U component has riser top connection on the upper end, and the bottom of riser is fixedly connected with the inner surface bottom of U component, and the riser is provided with convex component, and the inside of convex component is provided with motor, and the upper surface of convex component is provided with support plate, and support plate is vertically arranged, and the bottom of worktable is fixedly connected with the top of support plate, and the output of motor is respectively engaged with the input of two eccentric wheels, and two eccentric wheels are arranged on the one side of convex component.
[0008] As a further implementation, the two eccentric wheels are 90 degrees apart in angle.
[0009] As a further implementation, the output shaft of the motor is perpendicular to the center line of the horizontal pole.
[0010] As a further implementation, the output shaft of the motor is on the same plane as the support plate.
[0011] As a further implementation, the outer surface of the riser between the convex component and the U component is sleeved with a second spring.
[0012] As a further implementation, two sets of risers are provided, and two second springs are respectively sleeved on the upper surface of the convex component and between the U component.
[0013] As a further implementation, all the second springs can achieve elastic connection of the convex component and the U component.
[0014] As a further implementation, the other end of the steel wire rope is connected to the bottom of the worktable.
[0015] As a further implementation, the convex component can slide relative to the riser.
[0016] The utility model has the advantages of the following:
[0017] (1) the utility model is through the output of motor and the input of two eccentric wheels respectively engaged connection, and two eccentric wheels are arranged on the one side of convex component, and the two eccentric wheels are 90 degrees apart in angle, and the eccentric wheel converts the rotary motion of motor into the reciprocating motion required by vibration, so that the eccentric wheel drives convex component, support plate and worktable to vibrate, and the setting of two eccentric wheels can be used to realize different directions or different frequency, can simulate multidirectional, irregular vibration, realize complex vibration environment simulation, so that the test result and actual situation do not exist larger deviation.
[0018] (2) The convex component can slide relative to the vertical rod, and the sliding design enables the convex component to move up and down or in other specified directions under the guidance of the vertical rod, thereby realizing the displacement change required by vibration. Meanwhile, in cooperation with the elastic action of the second spring, the sliding can be freely performed within a certain range, ensuring the continuity and stability of vibration. The whole system of the application does not need mechanical connection and complex control system integration, thereby reducing the difficulty of design and manufacturing. BRIEF DESCRIPTION OF DRAWINGS
[0019] The drawings constituting a part of the specification of the application are used to provide further understanding of the application, and the illustrative embodiments of the application and the description thereof are used to explain the application, and do not constitute improper limitation on the application.
[0020] Figure 1 is a perspective view of the combination of the U-shaped component and the convex component of the application;
[0021] Figure 2 is a perspective view of the application;
[0022] Figure 3 is a top view of the eccentric wheel connected with the motor of the application;
[0023] Figure 4 is a perspective view of the eccentric wheel connected with the motor of the application;
[0024] Among them, 1, base; 2, vertical plate; 3, through hole; 4, horizontal rod; 5, U-shaped component; 6, steel wire rope; 7, first spring; 9, vertical rod; 10, convex component; 11, motor; 12, support plate; 13, workbench; 14, eccentric wheel; 15, second spring. DETAILED DESCRIPTION
[0025] Embodiment:
[0026] The embodiment provides a kind of simulation automobile transport vibration table, as Figures 1-4As shown, it comprises a base 1 and a vertical plate 2; the base 1 serves as the basic support structure of the whole simulated automobile transportation vibration table, and plays a role in stabilizing and bearing other components; the bottom of the vertical plate 2 is connected with the base 1, the vertical plate 2 is provided with a through hole 3, the vertical plate 2 provides installation and fixing positions for other components such as a horizontal rod 4 and a first spring 7, and plays a role in supporting and connecting. The horizontal rod 4 penetrates the through hole 3, one end of the horizontal rod 4 is connected with the side wall of a U-shaped component 5, the other end of the horizontal rod 4 is connected with one end of a steel wire rope 6, one end of the first spring 7 is connected with the side wall of the U-shaped component 5, the other end of the first spring 7 is connected with the vertical plate 2, the first spring 7 is sleeved on the horizontal rod 4, the horizontal rod 4 provides an installation position for the first spring 7, and the first spring 7 plays a role in buffering and providing elastic restoring force, so that the U-shaped component 5 can have a certain elastic movement in the vibration process.
[0027] The top of a vertical rod 9 is connected with the inner surface of the U-shaped component 5, the bottom of the vertical rod 9 is fixedly connected with the bottom of the inner surface of the U-shaped component 5, the vertical rod 9 penetrates a convex component 10, the vertical rod 9 plays a role in supporting and guiding the convex component 10, and limits the movement direction of the convex component 10; the convex component 10 is provided with a motor 11 inside, the upper surface of the convex component 10 is provided with a support plate 12, the convex component 10 cooperates with the vertical rod 9 to move under the guidance of the vertical rod 9, and provides installation positions for the motor 11 and the support plate 12; the support plate 12 is vertically arranged, the top of the support plate 12 is fixedly connected with the bottom of a workbench 13, and plays a role in supporting the workbench 13, so as to ensure that the products on the workbench 13 can be accurately excited by vibration and effectively subjected to vibration test.
[0028] The output end of the motor 11 is meshingly connected with the input ends of two eccentric wheels 14, the two eccentric wheels 14 are arranged on one side of the convex component 10, the angle between the two eccentric wheels 14 is 90 degrees (that is, the included angle between the center of gravity of the two eccentric wheels 14 and the center of the circle is 90 degrees), the eccentric wheel 14 converts the rotary motion of the motor 11 into the reciprocating motion required by vibration, so that the eccentric wheel 14 drives the convex component 10, the support plate 12 and the workbench 13 to vibrate, the arrangement of the two eccentric wheels 14 can be used to realize vibration combination in different directions or different frequencies (adjusting the working frequency of the motor 11 to realize different frequencies), so as to more truly simulate the complex vibration environment in the automobile transportation process. The motor 11 serves as a power source, such as Figure 3 and Figure 4 As shown, the output end of the motor 11 is meshingly connected with the eccentric wheel 14, the motor 11 provides vibration power for the whole simulated automobile transportation vibration table, and the workbench 13 is used for placing automobile parts or products to be tested, and is the working platform of the whole simulated automobile transportation vibration table. The vibration is transmitted to the products on the workbench 13 through the connection with the support plate 12, so as to perform vibration test.
[0029] The output shaft of the motor 11 is perpendicular to the center line of the cross bar 4, and this perpendicular relationship ensures that the power output of the motor 11 can be effectively transmitted to the cross bar 4, driving the U-shaped component 5 and related components to move, thereby realizing vibration excitation in a specific direction and enabling the entire vibration system to generate a vibration form that meets the test requirements.
[0030] The output shaft of the motor 11 is in the same plane as the support plate 12, and the output shaft of the motor 11 is in the same plane as the support plate 12, which is beneficial to ensure the stability and consistency of the power transmission of the motor 11 to the support plate 12, enabling the support plate 12 to stably drive the workbench 13 and the product to perform vibration tests, avoiding problems such as uneven vibration or unstable equipment caused by deviation of the power transmission direction.
[0031] The outer surface of the vertical rod 9 between the convex component 10 and the U-shaped component 5 is sleeved with a second spring 15, and the second spring 15 is arranged between the convex component 10 and the U-shaped component 5 to play a role of elastic connection, which can provide a certain elastic restoring force in the vertical direction, so that the convex component 10 has a certain buffering and damping effect during vibration, and also helps to adjust the amplitude and frequency of vibration, improving the accuracy and reliability of vibration tests.
[0032] The vertical rod 9 is provided with two groups, and two second springs 15 are respectively sleeved on the upper surface of the convex component 10 and between the U-shaped component 5, and the other two second springs 15 are respectively sleeved on the lower surface of the convex component 10 and between the U-shaped component 5, and the setting of the two groups of vertical rods 9 increases the stability of the support, so that the convex component 10 is more balanced and reliable during movement. The second spring 15 is respectively sleeved on the upper surface of the convex component 10, the lower surface of the convex component 10 and the U-shaped component 5, which can elastically constrain the convex component 10 from different directions, further enhancing the stability and damping effect of the system, and ensuring that the relative position and movement relationship of each component during vibration meet the design requirements.
[0033] All second springs 15 can realize the elastic connection of the convex component 10 and the U-shaped component 5, that is, the convex component 10 and the U-shaped component 5 are connected together through the elastic properties of the second spring 15, so that the convex component 10 and the U-shaped component 5 have a certain degree of freedom for vibration, and will not be damaged due to excessive rigid connection. The vibration impact is too large, ensuring the elasticity and flexibility of the entire vibration system, which helps to simulate the complex vibration environment in real automobile transportation.
[0034] The other end of the steel wire rope 6 is connected to the bottom of the workbench 13, and the steel wire rope 6 transmits the power generated by the motor 11 through the eccentric wheel 14 to the workbench 13, so that the workbench 13 generates a specified vibration motion to simulate the vibration environment in automobile transportation. This design limits the movement range of the workbench 13, prevents the workbench 13 from excessive displacement or deviation from the track during vibration, and ensures the accuracy and safety of the vibration test. This design also provides additional stability for the workbench 13, prevents unnecessary shaking or rotation of the workbench 13 during vibration, and ensures that the products on the workbench 13 can be stably tested. From the perspective of safety: this design also prevents the workbench 13 from losing control during vibration, causing equipment damage or safety accidents, and improves the safety of the entire vibration table system.
[0035] The convex component 10 can slide relative to the vertical rod 9, and this sliding design allows the convex component 10 to move up and down or in other specified directions under the guidance of the vertical rod 9, thereby achieving the displacement change required for vibration. At the same time, in cooperation with the elastic action of the second spring 15, this sliding can be freely performed within a certain range, ensuring the continuity and stability of the vibration, so that the vibration table can accurately simulate various vibration conditions in the automobile transportation process. The application is used to connect the workbench 13 and the ground support (i.e. a relatively stationary object), and is used to realize the independent movement of the workbench 13, so that the workbench 13 moves together with the test product.
[0036] The length, curvature and number of lines of the steel wire rope 6 in the drawings are only for illustration, and those skilled in the art can make adaptive adjustments according to actual use.
[0037] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A simulated truck vibration table comprising a base and a riser; characterized in that, The bottom of the vertical plate is connected with the base, the vertical plate is provided with a through hole, the cross bar passes through the through hole, one end of the cross bar is connected with the side wall of the U-shaped component, the other end of the cross bar is connected with one end of the steel wire rope, the side wall of the U-shaped component is connected with one end of the first spring, the other end of the first spring is connected with the vertical plate, the first spring is sleeved on the cross bar, the inner surface of the U-shaped component is connected with the top of the vertical rod, the bottom of the vertical rod is fixedly connected with the bottom of the inner surface of the U-shaped component, the vertical rod penetrates the convex component, the motor is arranged in the convex component, the upper surface of the convex component is provided with the support plate, the support plate is vertically arranged, the top of the support plate is fixedly connected with the bottom of the workbench, the output end of the motor is meshingly connected with the input end of the two eccentric wheels, and the two eccentric wheels are arranged on one side of the convex component.
2. The simulated truck vibration table of claim 1, wherein, The angles of the two eccentric wheels are different by 90 degrees.
3. The simulated truck vibration table of claim 1, wherein, The output shaft of the motor is perpendicular to the center line of the cross bar.
4. The simulated truck vibration table of claim 3, wherein, The output shaft of the motor is on the same plane as the support plate.
5. The simulated truck vibration table of claim 1, wherein, The outer surface of the vertical rod between the convex component and the U-shaped component is sleeved with the second spring.
6. The simulated truck vibration table of claim 5, wherein, Two groups of vertical rods are arranged, two second springs are sleeved on the upper surface of the convex component and between the U-shaped component, and the other two second springs are sleeved on the lower surface of the convex component and between the U-shaped component.
7. The simulated truck vibration table of claim 6, wherein, All the second springs can realize the elastic connection of the convex component and the U-shaped component.
8. The simulated truck vibration table of claim 1, wherein, The other end of the steel wire rope is connected with the bottom of the workbench.
9. The simulated truck vibration table of claim 1, wherein, The convex component can slide relative to the vertical rod.