Fatigue test tool for automobile front overhang swing arm
By designing an adjustable front suspension swing arm fatigue test tooling, the high cost problem caused by the different shapes of the double wishbone suspension is solved, and efficient and accurate fatigue testing and cost-reducing effects are achieved.
Patent Information
- Application Number
- CN202422291908.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-09-20
AI Technical Summary
The existing double wishbone suspensions have different shapes and sizes. Each special-shaped double wishbone suspension requires corresponding test tooling, resulting in higher costs.
A fatigue test tool for automobile front suspension swing arm is designed, including a workbench, fixed support, test unit and adjustable U-shaped mounting bracket. The front suspension swing arm is fixed by bushing blocks and clamping blocks, reducing relative displacement, improving testing accuracy and reliability, and allowing tests of different models and sizes to be tested.
The tooling is simple to operate, which reduces the complexity of operation, improves the accuracy and reliability of testing, reduces costs, and enhances the versatility and assembly efficiency of the tooling.
Smart Images
Figure CN223166349U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automotive parts test tooling, and particularly to a fatigue test tooling for an automotive front suspension arm. Background Art
[0002] With the rapid development of the automotive industry, the performance requirements for automotive suspensions are getting higher and higher. Due to its excellent handling performance and comfort, the double-wishbone suspension is widely used in high-end vehicles. However, the structure of the double-wishbone suspension is complex, and the design of the test tooling for fatigue testing it has a certain degree of difficulty. The double-wishbone suspensions have different shapes and sizes, and each special-shaped double-wishbone suspension requires a corresponding test tooling, resulting in a relatively high cost. Therefore, it is necessary to study a new type of fatigue test tooling that can be applicable to the tests of most standard special-shaped double-wishbone suspensions. Content of the Utility Model
[0003] The utility model provides a fatigue test tooling for an automotive front suspension arm, which can solve the problem that the existing double-wishbone suspensions have different shapes and sizes, and each special-shaped double-wishbone suspension requires a corresponding test tooling, resulting in a relatively high cost.
[0004] To achieve the above object, the utility model provides the following technical solution: A fatigue test tooling for an automotive front suspension arm, comprising a workbench; a fixed support vertically arranged on the upper side of the workbench for fixing the front suspension arm, one end of the upper part of the fixed support is fixedly provided with a first U-shaped mounting bracket, on one side of the first U-shaped mounting bracket, first fixing blocks are symmetrically arranged, the other end of the upper part of the fixed support is horizontally adjustable with a second U-shaped mounting bracket, on one side of the second U-shaped mounting bracket, second fixing blocks are symmetrically arranged, bushing pressing blocks are arranged between the first U-shaped mounting bracket and the first fixing blocks, and between the second U-shaped mounting bracket and the second fixing blocks; a testing unit arranged on the upper side of the workbench on one side of the fixed support, the testing unit comprises a driving device horizontally arranged on the upper side of the workbench, a sensor is arranged at the movable end of the driving device, a connecting shaft is arranged at the end of the sensor, a first L-shaped clamping block is arranged on one side of the connecting shaft, a second clamping block is detachably arranged on one side of the first clamping block, and the first clamping block and the second clamping block are used for fixing the end of the front suspension arm, which can more effectively fix the automotive front suspension arm, reduce the relative displacement during the test, and thus improve the accuracy and reliability of the test; the adjustability of the tooling allows for the testing of front suspension arms of different models and sizes without replacing the entire tooling, improving the versatility and adaptability of the tooling.
[0005] Preferably, the fixed support includes a bottom plate horizontally arranged on the upper side of the workbench, a back plate vertically arranged on the upper side of the bottom plate, and a plurality of reinforcing plates are arranged at intervals between the back plate and the bottom plate, with stable structure.
[0006] Preferably, two long strip-shaped mounting holes are arranged at the upper part of the back plate, and bolts pass through the mounting holes and are connected to the second U-shaped mounting bracket, which is convenient for adjustment and adapts to fatigue tests of products of various sizes.
[0007] Preferably, long strip-shaped notches are arranged at the four corners of the bottom plate, which is convenient for installation and adjustment.
[0008] Preferably, a pin is inserted through one end of the first clamping block close to the second clamping block, which is convenient for disassembly.
[0009] Preferably, the bushing pressing block includes a fixing column inserted into the front suspension arm, and a support column is arranged on one side of the fixing column, with simple structure and convenient installation.
[0010] Preferably, a fixed seat is arranged at the end of the driving device, and the fixed seat is connected to the workbench, with simple structure and convenient fixation.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] The operation of the tooling is simple, reducing the training requirements for operators, lowering the operation complexity, improving the work efficiency, being able to more effectively fix the front suspension arm of the vehicle, reducing the relative displacement during the test, thereby improving the accuracy and reliability of the test, enhancing the versatility and assembly efficiency of the tooling, reducing costs under the condition of meeting the use requirements, and being able to solve the problem that the existing double-wishbone suspensions have various shapes and different sizes, and each special-shaped double-wishbone suspension requires a corresponding test tooling, resulting in higher costs. Description of the Drawings
[0013] Figure 1 It is a three-dimensional structure diagram of the present utility model;
[0014] Figure 2 It is a schematic installation structure diagram at the fixed support of the present utility model;
[0015] Figure 3 It is a three-dimensional structure diagram of the fixed support of the present utility model;
[0016] Figure 4 It is a three-dimensional structure diagram of the test unit of the present utility model;
[0017] Figure 5 It is a front view of the test unit of the present utility model;
[0018] Figure 6This is a three-dimensional structural diagram of the bushing pressing block of the present utility model.
[0019] Reference numerals:
[0020] 1, workbench; 2, fixed support; 3, front swing arm; 4, test unit; 5, first U-shaped mounting bracket; 6, second U-shaped mounting bracket; 7, first fixing block; 8, second fixing block; 9, bushing pressing block; 10, driving device; 11, sensor; 12, connecting shaft; 13, first clamping block; 14, second clamping block; 15, pin; 16, fixed seat; 21, bottom plate; 22, backing plate; 23, reinforcing plate; 24, mounting hole; 25, notch; 91, the fixed column; 92, support column. Detailed implementation manners
[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.
[0022] As Figure 1-6As shown in the figure, the present utility model provides the following technical solutions to solve the problems that existing double-wishbone suspensions have various shapes and different sizes, and each special-shaped double-wishbone suspension requires a corresponding test tooling, resulting in high costs: An automotive front suspension arm fatigue test tooling, comprising a workbench 1; a fixed support 2, which is vertically arranged on the upper side of the workbench 1 for fixing the front suspension arm 3. One end of the upper part of the fixed support 2 is fixedly provided with a first U-shaped mounting bracket 5. On one side of the first U-shaped mounting bracket 5, first fixing blocks 7 are symmetrically arranged. The other end of the upper part of the fixed support 2 is horizontally adjustable and provided with a second U-shaped mounting bracket 6. On one side of the second U-shaped mounting bracket 6, second fixing blocks 8 are symmetrically arranged. Between the first U-shaped mounting bracket 5 and the first fixing blocks 7, and between the second U-shaped mounting bracket 6 and the second fixing blocks 8, bushing pressing blocks 9 are arranged; a test unit 4, which is arranged on the upper side of the workbench 1 on one side of the fixed support 2. The test unit 4 comprises a driving device 10 horizontally arranged on the upper side of the workbench. The driving device 10 is used to apply periodic loads to simulate the fatigue conditions in actual use. The movable end of the driving device 10 is provided with a sensor 11. The end of the sensor 11 is provided with a connecting shaft 12. On one side of the connecting shaft 12, an L-shaped first clamping block 13 is arranged. On one side of the first clamping block 13, a second clamping block 14 is detachably arranged. The first clamping block 13 and the second clamping block 14 are used to fix the end of the front suspension arm 3. The sensor 11 is installed on the test unit 4 to monitor the stress and strain conditions of the front suspension arm 3 during the fatigue test in real time. The test unit 4 is connected to an external data processing system to collect and analyze the data of the sensor 11. It can more effectively fix the automotive front suspension arm, reduce the relative displacement during the test, thereby improving the accuracy and reliability of the test; the adjustability of the tooling allows the testing of front suspension arms of different models and sizes without replacing the entire tooling, improving the versatility and adaptability of the tooling.
[0023] In this embodiment, as Figure 3 shown, the fixed support 2 comprises a bottom plate 21 horizontally arranged on the upper side of the workbench 1. On the upper side of the bottom plate 21, a backing plate 22 is vertically arranged. Between the backing plate 22 and the bottom plate 21, a plurality of reinforcing plates 23 are arranged at intervals, and the structure is stable.
[0024] In this embodiment, as Figure 3 shown, two long strip-shaped mounting holes 24 are arranged on the upper part of the backing plate 22. Bolts pass through the mounting holes 24 and are connected to the second U-shaped mounting bracket 6, which is convenient for adjustment and suitable for fatigue tests of products of various sizes.
[0025] In this embodiment, as Figure 3 shown, long strip-shaped notches 25 are arranged at the four corners of the bottom plate 21, which is convenient for installation and adjustment.
[0026] In this embodiment, as Figure 4-5 shown, a pin 15 is inserted through one end of the first clamping block 13 close to the second clamping block 14, which facilitates disassembly.
[0027] In this embodiment, as Figure 6 shown, the bushing pressing block 9 includes a fixing column 91 inserted into the front suspension arm 3, and a support column 92 is arranged on one side of the fixing column 91, with a simple structure and convenient installation.
[0028] In this embodiment, as Figure 4 shown, a fixing seat 16 is arranged at the end of the driving device 10, and the fixing seat 16 is connected to the workbench 1, with a simple structure and convenient fixing.
[0029] In this embodiment, as Figure 1 shown, first, the fixing support 2 is fixed on the workbench 1, the fixing column 91 of the bushing pressing block 9 is inserted into the front suspension arm 3, then the two end parts of the front suspension arm 3 are respectively fixed on the first U-shaped mounting bracket 5 and the second U-shaped mounting bracket 6, the first fixing block 7 and the second fixing block 8 are respectively fixed on the first U-shaped mounting bracket 5 and the second U-shaped mounting bracket 6 to clamp the support column 92, the first clamping block 13 and the second clamping block 14 are used to fix the other end of the front suspension arm 3, and the front suspension arm 3 is fixed. Then, the driving device 10 is started. During the test, the driving device 10 is used to apply periodic loads to simulate the fatigue condition in actual use. The sensor 11 monitors the stress and strain data of the front suspension arm 3 in real time and transmits them to the data processing system. After the test is completed, the driving device 10 is stopped, and the data of the sensor 11 is collected and analyzed to evaluate the fatigue life of the front suspension arm 3.
[0030] It should be noted that all the directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.
[0031] In addition, in the present invention, the descriptions such as "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.
[0032] In the present utility model, unless otherwise clearly defined and limited, terms such as "connection" and "fixation" shall be understood in a broad sense. For example, "fixation" may be a fixed connection, a detachable connection, or an integral one; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0033] In addition, the technical solutions between various embodiments of the present utility model can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.
Claims
1. An automotive front suspension arm fatigue test tooling, characterized in that, Comprising: Workbench (1); Fixed support (2), which is vertically arranged on the upper side of the workbench (1) for fixing the front suspension arm (3). One end of the upper part of the fixed support (2) is fixedly provided with a first U-shaped mounting bracket (5). On one side of the first U-shaped mounting bracket (5), first fixing blocks (7) are symmetrically arranged. The other end of the upper part of the fixed support (2) is horizontally adjustable and provided with a second U-shaped mounting bracket (6). On one side of the second U-shaped mounting bracket (6), second fixing blocks (8) are symmetrically arranged. Between the first U-shaped mounting bracket (5) and the first fixing blocks (7), and between the second U-shaped mounting bracket (6) and the second fixing blocks (8), bushing pressing blocks (9) are arranged. Testing unit (4), which is arranged on the upper side of the workbench (1) on one side of the fixed support (2). The testing unit (4) includes a driving device (10) horizontally arranged on the upper side of the workbench. The movable end of the driving device (10) is provided with a sensor (11). The end of the sensor (11) is provided with a connecting shaft (12). On one side of the connecting shaft (12), an L-shaped first clamping block (13) is arranged. On one side of the first clamping block (13), a second clamping block (14) is detachably arranged. The first clamping block (13) and the second clamping block (14) are used to fix the end of the front suspension arm (3).
2. The fatigue test tooling for the front suspension arm of an automobile according to claim 1, wherein: The fixed support (2) includes a bottom plate (21) horizontally arranged on the upper side of the workbench (1). On the upper side of the bottom plate (21), a backing plate (22) is vertically arranged. Between the backing plate (22) and the bottom plate (21), a plurality of reinforcing plates (23) are arranged at intervals.
3. The fatigue test tooling for the front suspension arm of an automobile according to claim 2, wherein: Two long strip-shaped mounting holes (24) are arranged on the upper part of the backing plate (22). Bolts pass through the mounting holes (24) and are connected to the second U-shaped mounting bracket (6).
4. The fatigue test tooling for the front suspension arm of an automobile according to claim 2, characterized in that: Long strip-shaped notches (25) are arranged at the four corners of the bottom plate (21).
5. The fatigue test tooling for the front suspension arm of an automobile according to claim 1, characterized in that: A pin (15) is inserted through one end of the first clamping block (13) close to the second clamping block (14).
6. The fatigue test tooling for the front suspension arm of an automobile according to claim 1, characterized in that: The bushing pressing block (9) includes a fixing column (91) inserted into the front suspension arm (3). On one side of the fixing column (91), a support column (92) is arranged.
7. The fatigue test tooling for the front suspension arm of an automobile according to claim 1, characterized in that: A fixed seat (16) is arranged at the end of the driving device (10). The fixed seat (16) is connected to the workbench (1).