Performance detection device for strength of hub material of electric vehicle
By designing a performance testing device for the material strength of electric vehicle wheel hubs, and utilizing components such as an impact testing machine and fixing components, the problem of measurement error caused by the rotation of the wheel hub during impact testing was solved, thus achieving stable fixing and accurate testing of the wheel hub.
Patent Information
- Application Number
- CN202423251539.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-27
AI Technical Summary
In impact tests on electric vehicle wheel hubs, the hub may rotate, leading to complex transmission and distribution of impact energy, making accurate measurement difficult and causing errors in test results.
A performance testing device for the material strength of electric vehicle wheel hubs was designed, including an impact testing machine, a fixing component, a support component, and an extrusion component. Through components such as hydraulic cylinders, lifting plates, and drive motors, the wheel hubs are stably fixed and positioned, ensuring the accuracy of the impact test.
This effectively prevents the wheel hub from shifting or deviating during the test, ensuring the accuracy and reliability of the impact test and reducing test result errors.
Smart Images
Figure CN223742218U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of electric vehicle wheel hub processing technology, and in particular relates to a performance testing device for the strength of electric vehicle wheel hub materials. Background Technology
[0002] The wheel hub is a key component of an electric vehicle wheel. Located at the center of the tire, it is a cylindrical metal part that supports the tire and ensures the tire's stability and the vehicle's normal operation.
[0003] When electric vehicles are in a complex and ever-changing road environment, they may encounter sudden potholes, obstacles, or collisions, and the wheel hubs will be subjected to significant impact forces. In order to ensure the stability and safety of electric vehicles during operation and to provide solid and reliable protection for drivers and passengers, impact testing machines are used to conduct impact tests on the wheel hubs to ensure that the wheel hub quality meets the requirements. When using an impact testing machine to conduct impact tests on the wheel hubs, the wheel hubs may rotate, and the transmission and distribution of impact energy will become complex and difficult to measure accurately, resulting in errors in the test results. Utility Model Content
[0004] In view of the problems existing in the prior art, this utility model provides a performance testing device for the strength of electric vehicle wheel hub materials that can overcome or at least partially solve the above problems.
[0005] This utility model is implemented as follows: a performance testing device for the strength of electric vehicle wheel hub materials, comprising an impact testing machine and a fixing assembly. The impact testing machine includes a base, a bracket, a winding motor, and an impact end. The bottom of the bracket is fixedly connected to the top of the base, the bottom of the winding motor is fixedly connected to the top of the bracket, and the top of the impact end is fixedly installed to the output end of the winding motor via a rope. The fixing assembly includes two support rods, two hydraulic cylinders, two lifting blocks, and a lifting plate. The bottoms of the two support rods are fixedly connected to the left and right sides of the top of the base, respectively, and the tops of the two support rods are fixedly connected to the left and right sides of the top of the bracket interior, respectively. The tops of the two hydraulic cylinders are fixedly connected to the interior of the two support rods. The surfaces of the two lifting blocks are slidably connected to the bottom of the interior of the two support rods. The tops of the two lifting blocks are fixedly connected to the bottom of the output ends of the two hydraulic cylinders. The left and right sides of the interior of the lifting plate are fixedly connected to the surfaces of the two lifting blocks.
[0006] The impact testing machine is used to conduct impact tests on the performance of wheel hubs;
[0007] The fixing component is used to fix the wheel hub.
[0008] To ensure the stability of the impact end during movement, preferably, the left and right sides inside the impact end are slidably connected to the surfaces of two support rods, a rubber pad is fixedly connected to the top of the lifting plate, a support assembly is provided on the top of the base, and a compression assembly is provided inside the lifting plate. The movement direction of the impact end is restricted by the two support rods to prevent the impact end from deviating.
[0009] To support the wheel hub, preferably, the support assembly includes a first support base, a second support base, and a support rod. The bottom of the first support base is fixedly connected to the rear side of the top of the base, the bottom of the second support base is fixedly connected to the front side of the top of the base by bolts, the rear side of the support rod is fixedly connected to the front side of the first support base, and the surface of the support rod is slidably connected to the interior of the second support base. The wheel hub is fitted onto the surface of the support rod, and the support rod supports the wheel hub.
[0010] To further secure the wheel hub, preferably, the extrusion assembly includes a fixed box, a bidirectional screw, and two extrusion blocks. The surface of the fixed box is fixedly connected to the interior of the lifting plate, the surface of the bidirectional screw is movably connected to the interior of the fixed box, and the left and right sides of the surface of the bidirectional screw are movably connected to the left and right sides of the interior of the lifting plate, respectively. The surfaces of the two extrusion blocks are movably connected to the left and right sides of the interior of the lifting plate, respectively, and the interiors of the two extrusion blocks are threadedly connected to the left and right sides of the surface of the bidirectional screw, respectively. By rotating the bidirectional screw, the two extrusion blocks are moved to opposite ends, thereby clamping and securing the left and right sides of the wheel hub.
[0011] To position the wheel hub, preferably, multiple stabilizing springs are fixedly connected to the opposite ends of the first and second support seats, and stabilizing plates are slidably connected to the front and rear sides of the support rod surface. The opposite ends of the multiple stabilizing springs are fixedly connected to the opposite sides of the two stabilizing plates, and the wheel hub is located between the two stabilizing plates. By pressing the two stabilizing plates with the multiple stabilizing springs, the wheel hub is positioned at the center of the opposite ends of the first and second support seats.
[0012] In order to drive the bidirectional screw to rotate, preferably, a drive motor is fixedly connected to the bottom of the lifting plate, and a connecting seat is fixedly connected to the right side of the output end of the drive motor. A rack is meshed with the surface of the connecting seat, and the top of the rack is meshed with the surface of the bidirectional screw. The output end of the drive motor drives the rack to move through the connecting seat, and the rack drives the bidirectional screw to rotate during the movement of the rack.
[0013] To prevent the extrusion blocks from tilting, preferably, two support plates are fixedly connected to opposite sides of each of the two extrusion blocks, and the bottoms of the four support plates are movably connected to the left and right sides of the top of the lifting plate, respectively. The two extrusion blocks are supported by the four support plates to prevent them from tilting.
[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0015] This utility model incorporates structural components such as an impact testing machine, a base, a bracket, and a winding motor. The impact testing machine is used to conduct impact tests on the wheel hub's performance. The wheel hub is fixed by a fixing component, supported by a support component, and clamped and fixed on both sides of the wheel hub by a compression component. The wheel hub is positioned by the combined use of a stabilizing spring and a stabilizing plate, thus preventing the wheel hub from moving or shifting during the test. Attached Figure Description
[0016] Figure 1 This is a three-dimensional structural schematic diagram provided in an embodiment of the present utility model;
[0017] Figure 2 This is a three-dimensional structural diagram of the fixing component provided in an embodiment of the present utility model;
[0018] Figure 3 This is a three-dimensional structural schematic diagram of the extrusion assembly provided in an embodiment of the present invention;
[0019] Figure 4 This is a three-dimensional structural diagram of the support component provided in an embodiment of the present utility model.
[0020] In the diagram: 1. Impact testing machine; 101. Base; 102. Bracket; 103. Winding motor; 104. Impact end; 2. Fixing assembly; 201. Support rod; 202. Hydraulic cylinder; 203. Lifting block; 204. Lifting plate; 3. Rubber pad; 4. Support assembly; 401. First support seat; 402. Second support seat; 403. Support rod; 5. Extrusion assembly; 501. Fixing box; 502. Bidirectional screw; 503. Extrusion block; 6. Stabilizing spring; 7. Stabilizing plate; 8. Drive motor; 9. Connecting seat; 10. Rack; 11. Support plate. Detailed Implementation
[0021] To further understand the invention content, features and effects of this utility model, the following embodiments are provided, and detailed descriptions are given in conjunction with the accompanying drawings.
[0022] The structure of this utility model will now be described in detail with reference to the accompanying drawings.
[0023] like Figures 1 to 4As shown in the figure, this utility model provides a performance testing device for the strength of electric vehicle wheel hub materials, including an impact testing machine 1 and a fixing assembly 2. The impact testing machine 1 includes a base 101, a bracket 102, a winding motor 103, and an impact end 104. The bottom of the bracket 102 is fixedly connected to the top of the base 101, the bottom of the winding motor 103 is fixedly connected to the top of the bracket 102, and the top of the impact end 104 is fixedly installed to the output end of the winding motor 103 by a rope. The fixing assembly 2 includes two support rods 201, two hydraulic cylinders 202, two lifting blocks 203, and a lifting plate 204. The bottom of the support rod 201 is fixedly connected to the left and right sides of the top of the base 101, the top of the two support rods 201 is fixedly connected to the left and right sides of the top of the inside of the bracket 102, the top of the two hydraulic cylinders 202 is fixedly connected to the inside of the two support rods 201, the surface of the two lifting blocks 203 is slidably connected to the bottom of the inside of the two support rods 201, the top of the two lifting blocks 203 is fixedly connected to the bottom of the output end of the two hydraulic cylinders 202, and the left and right sides of the inside of the lifting plate 204 are fixedly connected to the surface of the two lifting blocks 203; the impact testing machine 1 is used to conduct impact tests on the performance of the wheel hub;The fixing component 2 is used to fix the wheel hub. In order to keep the impact end 104 stable during movement, the left and right sides inside the impact end 104 are slidably connected to the surfaces of the two support rods 201. A rubber pad 3 is fixedly connected to the top of the lifting plate 204. A support component 4 is provided on the top of the base 101. A compression component 5 is provided inside the lifting plate 204. The movement direction of the impact end 104 is restricted by the two support rods 201 to prevent the impact end 104 from deviating. In order to support the wheel hub, the support component 4 includes a first support seat 401, a second support seat 402 and a support rod 403. The bottom of the first support seat 401 is fixedly connected to the rear side of the top of the base 101. The bottom of the second support seat 402 is connected to the front side of the top of the base 101 by screws. The support rod 403 is fixedly connected to the rear side of the first support base 401, and the surface of the support rod 403 is slidably connected to the interior of the second support base 402. The hub is fitted onto the surface of the support rod 403, which supports the hub. To further fix the hub, the extrusion assembly 5 includes a fixed box 501, a bidirectional screw 502, and two extrusion blocks 503. The surface of the fixed box 501 is fixedly connected to the interior of the lifting plate 204, the surface of the bidirectional screw 502 is movably connected to the interior of the fixed box 501, and the left and right sides of the surface of the bidirectional screw 502 are movably connected to the left and right sides of the interior of the lifting plate 204, respectively. The surfaces of the two extrusion blocks 503 are movably connected to the left and right sides of the interior of the lifting plate 204, respectively. The interior of each extrusion block 503 is threadedly connected to the left and right sides of the surface of the bidirectional screw 502. Rotating the bidirectional screw 502 moves the two extrusion blocks 503 towards their opposite ends, clamping and fixing the left and right sides of the hub. To position the hub, multiple stabilizing springs 6 are fixedly connected to the opposite ends of the first support base 401 and the second support base 402. Stabilizing plates 7 are slidably connected to the front and rear sides of the support rod 403. The opposite ends of the multiple stabilizing springs 6 are fixedly connected to the opposite sides of the two stabilizing plates 7. The hub is located between the two stabilizing plates 7. By pressing the two stabilizing plates 7 with the multiple stabilizing springs 6, the hub is positioned at the center of the opposite ends of the first support base 401 and the second support base 402. To drive the bidirectional screw 502 to rotate, a drive motor 8 is fixedly connected to the bottom of the lifting plate 204. A connecting seat 9 is fixedly connected to the right side of the output end of the drive motor 8. A rack 10 is meshed with the surface of the connecting seat 9. The top of the rack 10 meshes with the surface of the bidirectional screw 502. The output end of the drive motor 8 drives the rack 10 to move through the connecting seat 9. During the movement of the rack 10, the bidirectional screw 502 is rotated. To prevent the extrusion blocks 503 from tilting, two support plates 11 are fixedly connected to opposite sides of each of the two extrusion blocks 503. The bottoms of the four support plates 11 are movably connected to the left and right sides of the top of the lifting plate 204, respectively. The four support plates 11 support the two extrusion blocks 503 and prevent them from tilting.
[0024] The working principle of this utility model:
[0025] During the impact test on the wheel hub, the second support seat 402 is disassembled by removing the bolts. The second support seat 402 is moved forward to disengage it from the support rod 403. The wheel hub is then fitted onto the surface of the support rod 403 and secured with bolts. Multiple stabilizing springs 6 compress stabilizing plates 7, positioning the wheel hub through the two stabilizing plates 7. Two hydraulic cylinders 202 are activated, and their output ends drive the lifting plate 204 upward via two lifting blocks 203. During the movement of the lifting plate 204, the rubber pad 3 is pressed against the bottom of the wheel hub, securing it. The drive motor 8 is activated, and its output end drives the rack 10 to move via the connecting seat 9. During the movement of the rack 10, the double-ended screw 502 rotates, causing the two pressing blocks 503 to move towards opposite ends. The two pressing blocks 503 clamp and fix the left and right sides of the wheel hub, keeping it stable. The wheel hub is then subjected to an impact test via the winding motor 103 and the impact end 104.
[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0027] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can exercise their rights without departing from the scope of the present utility model.
Claims
1. A kind of electric vehicle wheel hub material strength performance detection device, including impact testing machine (1) and fixed assembly (2), it is characterized in that: The impact testing machine (1) comprises a base (101), a support (102), a winding motor (103) and an impact end (104), the bottom of the support (102) is fixedly connected with the top of the base (101), the bottom of the winding motor (103) is fixedly connected with the top of the support (102), the top of the impact end (104) is fixedly installed with the output end of the winding motor (103) through a rope, the fixing assembly (2) comprises two supporting rods (201), two hydraulic cylinders (202), two lifting blocks (203) and a lifting plate (204), the bottom of each of the two supporting rods (201) is fixedly connected with the left and right sides of the top of the base (101), the top of each of the two supporting rods (201) is fixedly connected with the left and right sides of the top of the inside of the support (102), the top of each of the two hydraulic cylinders (202) is fixedly connected with the inside of each of the two supporting rods (201), the surface of each of the two lifting blocks (203) is slidingly connected with the bottom of the inside of each of the two supporting rods (201), the top of each of the two lifting blocks (203) is fixedly connected with the bottom of the output end of each of the two hydraulic cylinders (202), and the left and right sides of the inside of the lifting plate (204) are fixedly connected with the surfaces of the two lifting blocks (203). The impact testing machine (1) is used for impact testing on the performance of a wheel hub. The fixing assembly (2) is used for fixing the wheel hub.
2. The device for detecting the performance of the material strength of an electric vehicle wheel hub according to claim 1, characterized in that: The left and right sides of the inside of the impact end (104) are slidingly connected with the surfaces of the two supporting rods (201), the top of the lifting plate (204) is fixedly connected with a rubber pad (3), the top of the base (101) is provided with a supporting assembly (4), and the inside of the lifting plate (204) is provided with an extrusion assembly (5).
3. The device for detecting the performance of the material strength of an electric vehicle wheel hub according to claim 2, characterized in that: The supporting assembly (4) comprises a first supporting seat (401), a second supporting seat (402) and a supporting rod (403), the bottom of the first supporting seat (401) is fixedly connected with the rear side of the top of the base (101), the bottom of the second supporting seat (402) is fixedly connected with the front side of the top of the base (101) through bolts, the rear side of the supporting rod (403) is fixedly connected with the front side of the first supporting seat (401), and the surface of the supporting rod (403) is slidingly connected with the inside of the second supporting seat (402).
4. The device for detecting the performance of the material strength of an electric vehicle wheel hub according to claim 2, characterized in that: The extrusion assembly (5) comprises a fixed box (501), a bidirectional screw rod (502) and two extrusion blocks (503), the surface of the fixed box (501) is fixedly connected with the inside of the lifting plate (204), the surface of the bidirectional screw rod (502) is movably connected with the inside of the fixed box (501), the left and right sides of the surface of the bidirectional screw rod (502) are movably connected with the left and right sides of the inside of the lifting plate (204) respectively, the surfaces of the two extrusion blocks (503) are movably connected with the left and right sides of the inside of the lifting plate (204) respectively, and the insides of the two extrusion blocks (503) are threadedly connected with the left and right sides of the surface of the bidirectional screw rod (502) respectively.
5. The device for detecting the performance of the material strength of an electric vehicle wheel hub according to claim 3, characterized in that: The opposite ends of the first support seat (401) and the second support seat (402) are fixedly connected with a plurality of stable springs (6), the front and rear sides of the surface of the support rod (403) are slidably connected with stable plates (7), and the opposite ends of the plurality of stable springs (6) are fixedly connected with the opposite sides of the two stable plates (7) respectively.
6. The apparatus for detecting the performance of the material strength of an electric vehicle wheel hub according to claim 4, wherein: The bottom of the lifting plate (204) is fixedly connected with a transmission motor (8), the right side of the output end of the transmission motor (8) is fixedly connected with a connecting seat (9), the surface of the connecting seat (9) is meshedly connected with a rack (10), and the surface of the rack (10) is meshedly connected with the surface of the bidirectional screw rod (502).
7. The apparatus for detecting the performance of the material strength of an electric vehicle wheel hub according to claim 4, wherein: The opposite sides of the two extrusion blocks (503) are fixedly connected with two support plates (11), and the bottoms of the four support plates (11) are movably connected with the left and right sides of the top of the lifting plate (204) respectively.