Novel multifunctional test bed
By designing a new multifunctional test bench, using a three-layer structure test plate and cylinder to adjust the height, combined with the spring and slide rod structure to uniformly transmit the working force, the problem of uneven force under the existing test bench is solved, and the accuracy of the test result and the impact resistance of the test bench are improved.
Patent Information
- Application Number
- CN202422156105.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-03
AI Technical Summary
The existing test bench is unevenly subjected to the force during the drop test, resulting in a deviation in the test results and the load bench is prone to damage.
A new multifunctional test bench was designed, using a three-layer structure test plate, the steel plate is combined with a rubber cushion to increase impact resistance; the cylinder adjusts the height of the test plate, the spring and slide rod structure uniformly transmit the action force, and the pressure sensor collects data.
By uniformly transferring the action force and improving the impact resistance of the test plate, the deviation of the test results is reduced and the service life of the test bench is extended.
Smart Images
Figure CN223021489U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of test benches, in particular to a novel multi-functional test bench. Background Technique
[0002] Mechanical and electrical products refer to various agricultural machinery, electrical appliances, and production equipment and household appliances with mechanical, electrical, and electronic properties produced using machinery, electrical appliances, and electronic equipment. Generally, they include electronic products, electrical appliances, instruments, metal products, etc. and their components and parts. During the production process of mechanical and electrical products, various tests and detections need to be carried out on the mechanical and electrical products. Among them, the drop test is a common test and detection item. During the test, a test bench is required.
[0003] Generally, when conducting a drop test on a product, the product falls into a certain position in the test box and impacts it, causing the test bench to be unevenly stressed when detecting the test box, and the test results are prone to large deviations. In addition, the carrier for carrying the product to be tested is easily damaged after repeatedly bearing the impact of the impact component. Therefore, we propose a novel multi-functional test bench. Content of the Utility Model
[0004] Aiming at the deficiencies of the prior art, the utility model provides a novel multi-functional test bench, which solves the problems mentioned in the above background.
[0005] The utility model provides the following technical solutions: The utility model discloses a novel multi-functional test bench, which includes a tabletop. Support legs are respectively arranged at the four corners below the tabletop. A support plate is arranged between the multiple support legs. A cylinder is arranged on the support plate. Stretch rods are respectively arranged at the four corners above the tabletop. A test plate is arranged above the multiple stretch rods. The test plate is arranged in a three-layer structure. The upper and lower sides of the test plate are steel plates. A cushion layer is arranged between the two steel plates. The output end of the cylinder passes through the tabletop and is connected to the test plate. Limit frames are arranged on the left and right sides above the test plate. Buffer pads are arranged on the limit frames. A shock-absorbing test platform is detachably arranged on the test plate.
[0006] As a preferred solution, the shock-absorbing test platform includes a platform bottom plate arranged above the test plate. Lower groove rods are respectively arranged at the four corners above the platform bottom plate. Upper sliding rods are slidably connected to the lower groove rods. A first spring is arranged in the lower groove rods. The lower end of the first spring is connected to the inner side of the lower groove rods. The other end of the first spring is connected to the bottom of the upper sliding rods. A test flat plate is arranged on the multiple upper sliding rods. A test box is arranged above the test flat plate.
[0007] As a preferred solution, an upper slot box is provided below the test plate. A lower slot box is slidably connected inside the upper slot box. A plurality of second springs are provided between the upper slot box and the lower slot box. A pressure sensor is provided on the platform bottom plate, and the lower slot box is in contact with the pressure sensor.
[0008] As a preferred solution, the height of the limit frame is greater than the height of the lower rod of the extension rod.
[0009] As a preferred solution, a set of reinforcing plates is provided below the table top, and the set of reinforcing plates is located on the front and rear sides of the cylinder.
[0010] As a preferred solution, a foot plate is provided at the bottom of the support leg. A reinforcing rib is provided between the foot plate and the support leg. An anti-slip pad is provided at the bottom of the support leg.
[0011] Compared with the prior art, the present utility model has the following beneficial effects:
[0012] In the present utility model, extension rods are respectively provided at the four corners above the table top. A test plate is provided above the plurality of extension rods. By controlling the operation of the driving cylinder, the height of the test plate is adjusted, so as to facilitate the adjustment and test of the height of the object falling.
[0013] When conducting a drop test on an article, the article is placed at a specific position corresponding to the position of the test box. When the article drops and impacts the inside of the test box, at this time, the upper sliding rod slides in the groove rod, and the first spring compresses and deforms. The lower slot box slides in the upper slot box, and a plurality of second springs compress and deform, uniformly applying the acting force on the pressure sensor on the platform bottom plate. Through analysis by the control panel, the test data is relatively accurate.
[0014] By setting the test plate to have a three-layer structure, the upper and lower sides of the test plate are steel plates, and a cushion layer is provided between the two steel plates. The material of the cushion layer is rubber, which improves the impact resistance of the test plate. In addition, a set of reinforcing plates is provided below the table top, and a foot plate is provided at the bottom of the support leg. A reinforcing rib is provided between the foot plate and the support leg, thereby improving the impact resistance of the test bench. Through the structural setting of the limit frame, when the test bench is subjected to a huge impact, damage to the lower rod of the extension rod is avoided. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a three-dimensional structure diagram of the present utility model;
[0016] Figure 2 is a structural schematic diagram of the lower part of the present utility model;
[0017] Figure 3 is a partial cross-sectional view of the shock-absorbing test platform.
[0018] In the figure: 1, tabletop; 2, support feet; 3, support plate; 4, cylinder; 5, extension rod; 6, test plate; 7, steel plate; 8, cushion layer; 9, limit frame; 10, buffer pad; 11, platform bottom plate; 12, groove rod; 13, sliding rod; 14, first spring; 15, test flat plate; 16, test box; 17, upper groove box; 18, lower groove box; 19, second spring; 20, pressure sensor; 21, reinforcement plate; 22, foot plate. Specific implementation mode
[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0020] Please refer to Figures 1-3 A new type of multifunctional test bench in this embodiment includes a tabletop 1. Support feet 2 are respectively arranged at the four corners below the tabletop 1. A control panel is arranged on the support feet 2. A single-chip microcomputer is built in the control panel to analyze and transmit the data generated during the falling impact, facilitating the operation and use by the user. A support plate 3 is arranged between multiple support feet 2. A cylinder 4 is arranged on the support plate 3. Extension rods 5 are respectively arranged at the four corners above the tabletop 1. A test plate 6 is arranged above multiple extension rods 5 to adjust the height of the test plate 6, facilitating the adjustment and testing of the height of the object falling. The test plate 6 is arranged in a three-layer structure. The upper and lower sides of the test plate 6 are steel plates 7. A cushion layer 8 is arranged between the two steel plates 7. The material of the cushion layer 8 is rubber, improving the service life of the test plate 6. The output end of the cylinder 4 passes through the tabletop 1 and is connected to the test plate 6. Limit frames 9 are arranged on the left and right sides above the test plate 6. Buffer pads 10 are arranged on the limit frames 9 to avoid damage to the lower rod of the extension rod 5 when receiving a huge impact and limit the test plate 6 to avoid damage to the test plate 6. A shock-absorbing test platform is detachably arranged on the test plate 6 for testing the falling device.
[0021] As Figure 1 、 2 As shown in FIGS. 3, the shock-absorbing test platform includes a platform bottom plate 11 arranged above the test plate 6. Lower groove rods 12 are respectively arranged at the four corners above the platform bottom plate 11. Upper sliding rods 13 are slidably connected to the lower groove rods 12. A first spring 14 is arranged in the lower groove rods 12. The lower end of the first spring 14 is connected to the inner side of the lower groove rod 12, and the other end of the first spring 14 is connected to the bottom of the upper sliding rod 13. A test flat plate 15 is arranged on multiple upper sliding rods 13 to make the force on the object during the falling test uniform. A test box 16 is arranged above the test flat plate 15. The surface of the test box 16 is chrome-plated, and the tested item is dropped into the test box 16.
[0022] As shown Figure 1 in the figure, an upper trough box 17 is arranged below the test plate 15. A lower trough box 18 is slidably connected inside the upper trough box 17. A plurality of second springs 19 are arranged between the upper trough box 17 and the lower trough box 18. A pressure sensor 20 is arranged on the platform bottom plate 11. The lower trough box 18 is in contact with the pressure sensor 20, so that the force is evenly distributed when the object falls for testing, the measured data is relatively accurate, and the object being tested can be buffered, improving the service life of the test bench.
[0023] As shown Figure 1 in the figure, the height of the limit frame 9 is greater than the height of the lower rod of the extension rod 5, so as to avoid damaging the lower rod of the extension rod 5 when being impacted greatly.
[0024] As shown Figure 1 and 2 in the figure, a group of reinforcing plates 21 are arranged below the table top 1. The group of reinforcing plates 21 are located on the front and rear sides of the air cylinder 4, improving the overall strength of the table top 1, thereby improving the impact resistance of the test bench.
[0025] As shown Figure 1 in the figure, a foot plate 22 is arranged at the bottom of the support leg 2. A reinforcing rib is arranged between the foot plate 22 and the support leg 2, improving the strength of the support leg 2, thereby improving the service life of the test bench. A non-slip pad is arranged at the bottom of the support leg 2, increasing the friction with the ground.
[0026] In the specific implementation of this embodiment, extension rods 5 are respectively arranged at the four corners above the table top 1. A test plate 6 is arranged above the plurality of extension rods 5. The driving air cylinder 4 is controlled to operate to adjust the height of the test plate 6, facilitating the adjustment and testing of the height of the object falling. When conducting the falling test on an item, the item is placed at a specific position corresponding to the position of the test box 16. When the item falls and impacts the inner side of the test box 16, at this time, the upper sliding rod 13 slides in the groove rod 12, and the first spring 14 compresses and deforms. The lower trough box 18 slides in the upper trough box 17, and a plurality of second springs 19 compress and deform, evenly applying the acting force on the pressure sensor 20 on the platform bottom plate 11. Through analysis by the control panel, the measured data is relatively accurate. The test plate 6 is arranged in a three-layer structure. The upper and lower sides of the test plate 6 are steel plates 7. A cushion layer 8 is arranged between the two steel plates 7. The material of the cushion layer 8 is rubber, improving the impact resistance of the test plate 6. A group of reinforcing plates 21 are arranged below the table top 1. A foot plate 22 is arranged at the bottom of the support leg 2. A reinforcing rib is arranged between the foot plate 22 and the support leg 2, thereby improving the impact resistance of the test bench. Through the structural setting of the limit frame 9, when the test bench is impacted greatly, damage to the lower rod of the extension rod 5 can be avoided.
[0027] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A novel multifunctional test bench, comprising a table top (1), characterized in that: Support legs (2) are respectively arranged at the four corners below the table (1), a support plate (3) is arranged between the plurality of support legs (2), a cylinder (4) is arranged on the support plate (3), extension rods (5) are respectively arranged at the four corners above the table (1), a test plate (6) is arranged above the plurality of extension rods (5), the test plate (6) is a three-layer structure, the upper and lower sides of the test plate (6) are steel plates (7), a cushion layer (8) is arranged between the two steel plates (7), the output end of the cylinder (4) passes through the table (1) and is connected to the test plate (6), a limit frame (9) is arranged on the left and right sides above the test plate (6), a buffer pad (10) is arranged on the limit frame (9), and a shock-absorbing test platform is detachably arranged on the test plate (6).
2. A novel multifunctional test bench according to claim 1, characterized in that: The shock absorption test platform comprises a platform bottom plate (11) arranged above the test plate (6), lower groove rods (12) are respectively arranged at the four corners above the platform bottom plate (11), an upper slide rod (13) is slidably connected to the lower groove rod (12), a first spring (14) is arranged in the lower groove rod (12), the lower end of the first spring (14) is connected to the inner side of the lower groove rod (12), and the other end of the first spring (14) is connected to the bottom of the upper slide rod (13), a plurality of the upper slide rods (13) are arranged on the test plates (15), and a test box (16) is arranged above the test plates (15).
3. A novel multifunctional test bench according to claim 2, characterized in that: An upper slot box (17) is arranged below the test plate (15), and a lower slot box (18) is slidably connected inside the upper slot box (17). A plurality of second springs (19) are arranged between the upper slot box (17) and the lower slot box (18). A pressure sensor (20) is arranged on the platform bottom plate (11), and the lower slot box (18) is in contact with the pressure sensor (20).
4. A novel multifunctional test bench according to claim 1, characterized in that: The height of the limiting frame (9) is greater than the height of the lower rod of the extension rod (5).
5. A novel multifunctional test bench according to claim 1, characterized in that: A group of reinforcing plates (21) is arranged below the table top (1), and the group of reinforcing plates (21) is located at the front and rear sides of the cylinder (4).
6. A novel multifunctional test bench according to claim 1, characterized in that: A foot plate (22) is provided at the bottom of the supporting foot (2), a reinforcing rib is provided between the foot plate (22) and the supporting foot (2), and an anti-slip pad is provided at the bottom of the supporting foot (2).