Automobile chassis part endurance test tool

Abstract

The utility model provides an automobile chassis part endurance test tool which comprises a base part used for being installed and fixed with an endurance test bench and an arch-shaped cross beam part used for installing and fixing a workpiece to be tested, and supporting rib parts are connected between the two ends of the arch-shaped cross beam part and the side edge of the end face of the base part. Integrally-connected rib plate structures are arranged on the two sides of the supporting rib part, and the contact area between the supporting rib part and the base part is increased through the rib plate structures; the base part is of a plate-shaped structure with the thickness of the plate in the edge area larger than the thickness of the plate in the middle area, good tool rigidity is provided through the design, the tool mode is effectively improved, and the technical problem that an existing vibration durability test tool clamp is prone to resonating with a product to be tested, and consequently the test effect is poor is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle detection technical field, specifically, relate to a kind of automobile chassis parts endurance test tool. BACKGROUND

[0002] With the rapid development of China's automobile industry and the increasing competition in the industry, automobile manufacturers are facing the challenge of meeting the increasing safety, reliability and comfort requirements of users while saving costs. Noise and vibration durability is a comprehensive problem in measuring the quality of automobile parts manufacturing. It is the most intuitive feeling for automobile consumers and one of the most concerned and difficult problems for major vehicle manufacturers and parts manufacturers. At the same time, efficient and convenient test methods are an important part of automobile and parts quality research.

[0003] The test workpiece, especially the electronic and electrical device designed product, has various types and shapes, so a matching clamp is usually designed for testing during vibration test. The clamp is used to firmly fix the test workpiece on the vibration table workbench and transmit the vibration of the vibration table to the test workpiece. Therefore, the quality of the matching tool clamp directly affects the test quality. The existing test vibration tool is generally L-shaped, T-shaped or flat, and is installed on the moving coil of the vibration durability test table through bolts. However, the current test tool mode is generally small, which is easy to resonate with the test product, affecting the test result and the integrity of the test product.

[0004] In summary, the existing vibration durability test tool clamp has the technical problem of easy resonance with the test product, which affects the test result. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem of the existing vibration durability test tool clamp, which is easy to resonate with the test product and affects the test result.

[0006] To solve the above problems, the utility model provides an automobile chassis part endurance test tool, which comprises a base part for mounting and fixing with a durability test table and an arch-shaped crossbeam part for mounting and fixing a test workpiece. The two ends of the arch-shaped crossbeam part are connected with the end face side edge of the base part by a support rib part. The support rib part is provided with an integral rib plate structure on both sides, which increases the contact area between the support rib part and the base part. The base part is a plate-shaped structure with a larger edge area plate thickness than a middle area plate thickness.

[0007] The automobile chassis part durability test tool can effectively enhance the modal of the tool, the tool comprises an arched cross beam part, a support rib part and a base part, the base part has a large bottom area and is in a plate shape with a thin middle edge, the center area of the base part is thin, the arched cross beam part is connected to a workpiece to be detected, the tool is stable in weight distribution, and the arched cross beam part is connected to the workpiece to be detected as much as possible in space; in addition, the two sides of the support rib part are integrally connected to a rib plate structure, the connecting strength between the arched cross beam part and the base part is expanded through the additional rib plate, the design has good rigidity and light weight; in addition, the arched cross beam part is connected to the workpiece to be detected through the arched structure, the center of gravity of the tool and the workpiece is relatively close to the base part, the center of gravity of the tool and the workpiece is effectively reduced through the above structure design, the tool rigidity is improved, and the technical problem that the existing vibration durability test tool clamp is prone to resonance with the product to be detected and causes poor test effect is solved.

[0008] As a preferred scheme, the base part is in a frame structure with a hollow middle part, a connecting beam parallel to the direction of the arched cross beam part is arranged at the hollow middle part, and mounting through holes for mounting and fixing the durability test bench are arranged on the connecting beam and the frame of the base part. The structure of the base part is optimized, the center area of the base part is thinned based on the above design idea, the center of the base part is hollow, the use of materials is reduced without affecting the overall strength, more space is left above the base part for conveniently arranging the workpiece to be detected, the center of gravity of the tool is concentrated inward, and the structure of the connecting beam can make up for the strength loss caused by the hollow and provide a docking position with the vibration equipment.

[0009] As a preferred scheme, the arched cross beam part and the support rib part and the base part and the support rib part are integrally mounted and fixed through threaded connections. The connection mode among the arched cross beam part, the support rib part and the base part is optimized, the threaded connections such as bolts and spring washers are used for mounting and fixing, the operation is simple, the structure is firm, and the threaded connections have the advantages of convenient assembly, disassembly, maintenance and replacement.

[0010] As a preferred scheme, the arched cross beam part comprises an arched plate and a butt joint integrally connected to the two ends of the arched plate, the bottom surface of the butt joint is in abutting cooperation with the top end surface of the support rib part, and the butt joint is provided with a penetrating mounting hole for mounting a threaded connection. The design provides a preferred structure of the arched cross beam part, the arched plate structure in the middle is convenient for connection with the workpiece, the butt joints at the two ends provide mounting positions of the threaded connections, and the bottom surface shape of the butt joint is consistent with the top end surface shape of the support rib part.

[0011] As a preferred scheme, the thickness of the arch-shaped plate decreases from the top end to the base portion, and the side plate surface of the arch-shaped plate forms an angle in the range of 3°-10° with the vertical direction. This design further optimizes the shape design of the arch-shaped plate of the arch-shaped beam portion, and the thickness of the arch-shaped plate is small at the top and large at the bottom, which reduces the material consumption of the arch-shaped plate itself while meeting the requirements of fixing and supporting the workpiece.

[0012] As a preferred scheme, the top end of the support rib portion is integrally connected with a triangular plate-shaped inclined support rib plate, and the top surface of the inclined support rib plate abuts against the bottom surface of the arch-shaped beam portion. This design optimizes the cooperation structure between the support rib portion and the arch-shaped beam portion. The inclined support rib plate integrally connected at the top of the support rib portion is triangular plate-shaped. One side of the triangle is integrally connected with the side edge near the top of the support rib portion, and the other side abuts against the bottom surface of the arch-shaped beam portion.

[0013] As a preferred scheme, the widths of the upper and lower ends of the support rib portion are consistent with the widths of the corresponding side edges of the butt joint and the base portion, respectively, and the two sides of the support rib portion are inclined. This design provides a preferred shape design of the support rib portion. The support rib portion is trapezoidal plate-shaped as a whole, and the width of the top is consistent with that of the butt joint, and the width of the bottom is consistent with that of the base portion. This design facilitates better structural integration and further enhances the tooling mode.

[0014] As a preferred scheme, the wall thickness of the support rib portion decreases from the arch-shaped beam portion to the base portion. This design provides a preferred support rib plate design. The plate-shaped main structure decreases in thickness from the arch-shaped beam portion to the base portion, and is thin at the top and thick at the bottom. As described above, this design can improve the stability of the tooling and lower the center of gravity, further enhancing the tooling mode.

[0015] As a preferred scheme, the support rib portion and the rib plate structures on both sides abut against and are fixed to three adjacent side edges of the base portion. This design optimizes the extension structures on both sides of the support rib portion. The bottom end of the support rib portion abuts against one side edge of the base portion, and the side edge of the base portion is completely covered by the support rib portion. The corresponding rib plate structure needs to be bent to abut against the two adjacent side edges of the base portion. The support rib portion and the rib plate structures on both sides form a semi-enclosed wall structure.

[0016] As a preferred scheme, the base portion, the arch-shaped beam portion, and the support rib portion are all made of hard aluminum castings. This design optimizes the material processing of the base portion, the arch-shaped beam portion, and the support rib portion, and adopts hard aluminum material. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The overall structure of the automobile chassis part durability test tooling is provided in the utility model.

[0018] Figure 2 Another overall structure schematic view of the automobile chassis part endurance test tool is provided in the utility model;

[0019] Figure 3 For Figure 1 The structure schematic view of the arch-shaped crossbeam part of the automobile chassis part endurance test tool is provided in the utility model;

[0020] Figure 4 For Figure 1 The structure schematic view of the support rib part of the automobile chassis part endurance test tool is provided in the utility model;

[0021] Figure 5 For Figure 1 The structure schematic view of the base part of the automobile chassis part endurance test tool is provided in the utility model.

[0022] Among them, Figures 1-5 Among them:

[0023] 1, base part; 1-1, connecting beam; 2, support rib part; 2-1, rib plate structure; 2-2, inclined support rib plate; 3, arch-shaped crossbeam part; 3-1, arch-shaped plate; 3-2, butt joint; 3-3, mounting hole. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0025] Before the working principle of the utility model is described in detail, the description of the utility model needs to be further explained: in the description of the utility model, it needs to be explained that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can be detachable connection, or integral connection; can be mechanical connection, can be direct connection, can be indirect connection through an intermediate medium, or can be two elements welded connection. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] Reference Figures 1-5 The following examples are described, Figure 1 The overall structure schematic diagram of the automobile chassis part endurance test tool is provided by the utility model; Figure 2 The overall structure schematic diagram of the automobile chassis part endurance test tool is provided by the utility model; Figure 3 For Figure 1 The structure schematic diagram of the arch-shaped crossbeam part of the automobile chassis part endurance test tool is provided by the utility model; Figure 4 For Figure 1 The structure schematic diagram of the support rib part of the automobile chassis part endurance test tool is provided by the utility model; Figure 5 For Figure 1 The structure schematic diagram of the base part of the automobile chassis part endurance test tool is provided by the utility model.

[0028] The embodiment of the utility model provides a kind of automobile chassis part endurance test tool, including the base part 1 for being installed fixed with endurance test platform and the arch-shaped crossbeam part 3 for installing and fixing the workpiece to be tested, the arch-shaped crossbeam part 3 is connected with the end face side edge of base part 1 between two ends, and the rib plate structure 2-1 of integral connection is arranged on the two sides of support rib part 2, and the contact area between support rib part 2 and base part 1 is increased by rib plate structure 2-1;Base part 1 is the plate-shaped structure with the thickness of edge area plate material being greater than the thickness of middle area plate material.

[0029] The automobile chassis part endurance test tool provided by the utility model can effectively enhance the modal of tool, and the tool includes arch-shaped crossbeam part 3, support rib part 2 and base part 1 three main parts, wherein base part 1 has larger bottom area, and itself is the plate-shaped shape with middle thin edge thick, can make the gravity distribution of tool itself more stable, and the center area of base part 1 is thin, can make the workpiece to be detected connected by arch-shaped crossbeam part 3 as close as possible in space;In addition, the rib plate structure 2-1 of integral connection is connected on the two sides of support rib part 2, and the connecting strength between arch-shaped crossbeam part 3 and base part 1 is expanded by additional rib plate, and such design is under the premise of having good rigidity, and the weight of material is also lighter;In addition, arch-shaped crossbeam part 3 first enhances the connecting strength of tool and workpiece by its arch-shaped structure, and then makes the gravity of tool and workpiece relatively more close to base part 1, effectively reduces the gravity of tool and its fixed workpiece by the above structure design, provides good tool rigidity, effectively improves tool modal, effectively solves the technical problems that existing vibration endurance test tool fixture is prone to resonance with the product to be measured, and causes poor test effect.

[0030] In the technical scheme provided by the embodiment, the base part 1 is in a frame structure with a hollow middle part, and a connecting beam 1-1 parallel to the direction of the arched beam part 3 is arranged at the hollow middle part. The connecting beam 1-1 and the frame of the base part 1 are both provided with mounting through holes for mounting and fixing with the durability test bench. The design optimizes the structure of the base part 1. On the basis of the above design idea, the center area plate of the base part 1 is further thinned until the center of the base part 1 is hollow. The use of materials is reduced without affecting the overall strength. More space is left above the base part 1 for conveniently placing the workpiece to be tested, and the gravity center of the tooling is further concentrated inward. The structure of the connecting beam 1-1 can make up for the strength loss caused by the hollowing and provide a docking position with the vibration equipment.

[0031] In the technical scheme provided by the embodiment, the arched beam part 3 and the support rib part 2 and the base part 1 and the support rib part 2 are all fixed and integrated through threaded connections. The design optimizes the connection mode among the arched beam part 3, the support rib part 2 and the base part 1. The threaded connections such as bolts and spring washers are used for mounting and fixing. The operation is simple, the structure is firm, and the threaded connections have the advantages of convenient assembly, disassembly, maintenance and replacement.

[0032] In the technical scheme provided by the embodiment, the arched beam part 3 includes an arched plate 3-1 and butt joints 3-2 integrally connected to both ends of the arched plate 3-1. The bottom surface of the butt joint 3-2 abuts and cooperates with the top end surface of the support rib part 2. The butt joint 3-2 is provided with a penetrating mounting hole 3-3 for mounting the threaded connection. The design provides an optimal structure of the arched beam part 3. The arched plate 3-1 in the middle is convenient for connection with the workpiece. The butt joints 3-2 at both ends provide mounting positions for the threaded connections. The optimal design is that the bottom surface shape of the butt joint 3-2 is consistent with the top end surface shape of the support rib part 2.

[0033] In the technical scheme provided by the embodiment, the thickness of the arched plate 3-1 decreases from the top end to the base part 1. The side plate surface of the arched plate 3-1 forms an included angle in the range of 3°-10° with the vertical direction. The design further optimizes the shape design of the arched plate 3-1 of the arched beam part 3. The thickness is small at the top and large at the bottom. The material consumption of the arched plate 3-1 itself is reduced under the premise of meeting the requirements of fixing and supporting the workpiece.

[0034] In the technical scheme provided by the embodiment, the top end of the support rib part 2 is integrally connected with a triangular plate-shaped inclined support rib plate 2-2, and the top surface of the inclined support rib plate 2-2 abuts against the bottom surface of the arched cross beam part 3. The design optimizes the cooperation structure between the support rib part 2 and the arched cross beam part 3, and the inclined support rib plate 2-2 integrally connected at the top of the support rib part 2 is triangular plate-shaped, one side of the triangle is integrally connected with the side edge near the top of the support rib part 2, and the other side abuts against the bottom surface of the arched cross beam part 3.

[0035] In the technical scheme provided by the embodiment, the widths of the upper and lower ends of the support rib part 2 are consistent with the widths of the corresponding side edges of the butt joint 3-2 and the base part 1, respectively, and the two sides of the support rib part 2 are inclined. The design provides a preferred shape design of the support rib part 2, the support rib part 2 is trapezoidal plate-shaped as a whole, the top is consistent with the width of the butt joint 3-2, and the bottom is consistent with the width of the base part 1. Through such a design, better integration in structure is facilitated, and the tooling mode is further enhanced.

[0036] In the technical scheme provided by the embodiment, the wall thickness of the support rib part 2 decreases in the direction from the arched cross beam part 3 to the base part 1. The design provides a preferred support rib plate design, the plate-shaped main body structure decreases in thickness in the direction from the arched cross beam part 3 to the base part 1, and is upper-thin and lower-thick. As described above, the stability of the tooling itself can be improved, the center of gravity can be lowered, and the tooling mode can be further enhanced.

[0037] In the technical scheme provided by the embodiment, the support rib part 2 and the rib plate structures 2-1 on the two sides are fixed by abutting against the three adjacent side edges of the base part 1. The design optimizes the extension structures on the two sides of the support rib part 2, the bottom end of the support rib part 2 completely abuts against one side edge of the base part 1, the side edge of the base part 1 is completely covered by the support rib part 2, and the corresponding rib plate structures 2-1 need to be bent to abut against the two adjacent side edges of the base part 1, so as to form a semi-enclosed wall surface structure.

[0038] In the technical scheme provided by the embodiment, the base part 1, the arched cross beam part 3 and the support rib part 2 are all hard aluminum castings. The design optimizes the material processing of the base part 1, the arched cross beam part 3 and the support rib part 2, and hard aluminum material is adopted.

[0039] Although the utility model discloses as above, the protection scope of the utility model disclosed is not limited to this. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the protection scope of the utility model.

Claims

1. A durability testing fixture for automotive chassis parts, characterized in that, It includes a base part (1) for mounting and fixing with a durability test bench and an arched crossbeam part (3) for mounting and fixing the workpiece to be tested. The two ends of the arched crossbeam part (3) are connected to the end face side edge of the base part (1) by a supporting rib part (2). The two sides of the supporting rib part (2) are provided with integrally connected rib plate structures (2-1). The rib plate structures (2-1) increase the contact area between the supporting rib part (2) and the base part (1). The base part (1) is a plate-shaped structure with the thickness of the plate in the edge area being greater than that in the middle area.

2. The durability testing fixture for automotive chassis parts according to claim 1, characterized in that, The base part (1) has a frame structure with a hollow center. A connecting beam (1-1) parallel to the direction of the arched crossbeam part (3) is provided in the hollow center. The connecting beam (1-1) and the frame of the base part (1) are both provided with mounting through holes for installation and fixing with the durability test bench.

3. The durability testing fixture for automotive chassis parts according to claim 1, characterized in that, The arched beam (3) and the supporting rib (2) and the base (1) and the supporting rib (2) are all installed and fixed together by threaded connectors.

4. The durability testing fixture for automotive chassis parts according to claim 3, characterized in that, The arched beam (3) includes an arched plate (3-1) and a butt joint (3-2) integrally connected to both ends of the arched plate (3-1). The bottom surface of the butt joint (3-2) abuts against the top surface of the support rib (2). The butt joint (3-2) is provided with a through mounting hole (3-3) for installing threaded connectors.

5. The durability testing fixture for automotive chassis parts according to claim 4, characterized in that, The thickness of the arched plate (3-1) decreases from the top to the base (1), and the angle between one side of the arched plate (3-1) and the vertical direction is within the range of 3°-10°.

6. The durability testing fixture for automotive chassis parts according to claim 4, characterized in that, The top of the supporting rib (2) is integrally connected to a triangular plate-shaped inclined supporting rib (2-2), and the top surface of the inclined supporting rib (2-2) abuts against the bottom surface of the arched beam (3).

7. The durability testing fixture for automotive chassis parts according to claim 5, characterized in that, The width of the upper and lower ends of the support rib (2) is consistent with the width of the corresponding side edge of the connector (3-2) and the base (1), respectively, and the two sides of the support rib (2) are inclined.

8. The durability testing fixture for automotive chassis parts according to claim 7, characterized in that, The wall thickness of the supporting rib (2) decreases from the arched crossbeam (3) to the base (1).

9. The durability testing fixture for automotive chassis parts according to claim 1, characterized in that, The supporting rib (2) and the rib plate structures (2-1) on both sides are respectively fixed to the three adjacent edges of the base part (1).

10. The durability testing fixture for automotive chassis parts according to claim 1, characterized in that, The base part (1), the arched crossbeam part (3) and the supporting rib part (2) are all hard aluminum castings.

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