Fixing tool for impact test of automobile cross beam

Abstract

The utility model provides a fixing tool for an automobile crossbeam impact test, which comprises a supporting seat and fixing hoops, the supporting seat is of a rectangular frame structure with an upper opening, the fixing hoops are respectively arranged at the bottom of the supporting seat and located at the left end and the right end of the supporting seat, and a protective plate is arranged at the bottom of the supporting seat and located between the two fixing hoops. The fixing hoop comprises a first hoop body and a second hoop body which are correspondingly arranged, and reinforcing ribs are arranged on the outer walls of the first hoop body and the second hoop body in the circumferential direction. According to the utility model, the supporting seat with the rectangular frame body structure is adopted, the reinforcing side plates are arranged on the outer wall of the supporting seat, and the reinforcing bottom plate and the reinforcing stand columns are arranged in the inner cavity, so that the structure of the fixing tool is more stable and not easy to deform, a good fixing and supporting effect is achieved when the automobile cross beam is impacted, and the accuracy of a test result is ensured; the structure of the fixing hoop is improved, and the first hoop body and the second hoop body are connected more firmly and reliably through the reinforcing ribs and the connecting part.

Description

Technical Field

[0001] The utility model relates to a fixing tool, in particular to a fixing tool for impact testing of automobile crossbeams. Background Art

[0002] A car is a complex hybrid electromechanical system comprised of tens of thousands of components. The anti-collision beam is a key safety component of the bumper system, and its collision performance significantly impacts the overall vehicle's crash safety. To meet increasingly stringent crash safety regulations and ensure operational reliability in real-world environments, automotive safety testing requirements are constantly being strengthened. Dynamic impact testing is a common test for anti-collision beams.

[0003] In the dynamic impact test of the beam, the fixing fixture of the beam is of great significance and has a significant impact on the effectiveness and accuracy of the test. Figure 1 As shown, the fixture includes a base plate 1' and clamps 2' on both sides of the base plate. The structural strength of the fixture is poor and it is easy to deform during the impact test, resulting in errors in the test results. In addition, the clamps 2' are easy to crack during the impact test, causing the beam to be unfixed, resulting in test failure and the need for retesting. Utility Model Content

[0004] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a fixing fixture for automobile crossbeam impact testing, which is used to solve the problems of poor structural strength of the fixing fixture in the prior art, easy deformation causing test errors, and even serious problems such as the crossbeam being detached from the fixation, resulting in invalid testing.

[0005] To achieve the above-mentioned purpose and other related purposes, the utility model provides a fixing tool for automobile crossbeam impact testing, including a support seat and two fixed clamps, the support seat is a rectangular frame structure with an opening at the top, the fixed clamps are respectively arranged at the bottom of the support seat and located at the left and right ends of the support seat, and a guard plate is provided at the bottom of the support seat and between the two fixed clamps, the fixed clamp includes a first clamp body and a second clamp body that are correspondingly arranged, the first clamp body and the support seat are fixedly connected, both ends of the first clamp body and the second clamp body are provided with a connecting part, the connecting part is provided with a corresponding bolt hole, the first clamp body and the second clamp body are detachably connected by bolts; the outer walls of the first clamp body and the second clamp body are circumferentially provided with reinforcing ribs.

[0006] In one embodiment of the present invention, the length of the connecting portion is greater than the length of the first clamp body and the second clamp body.

[0007] In an embodiment of the utility model, the width of the guard plate is greater than the width of the automobile beam.

[0008] In an embodiment of the utility model, the inner cavity of the support base is provided with a reinforcing bottom plate closely attached to the bottom thereof.

[0009] In an embodiment of the utility model, the inner cavity of the support base is provided with positioning columns, the positioning columns are respectively located above the fixed hoops and connected with the fixed hoops through fasteners, one end of the fastener is connected with the positioning column, and the other end of the fastener is connected with the first hoop body after penetrating through the reinforcing bottom plate and the support base.

[0010] In an embodiment of the utility model, the inner cavity of the support base is further provided with reinforcing columns, the reinforcing columns are arranged between the positioning columns at intervals, the reinforcing columns and the guard plate are connected through fasteners, one end of the fastener is connected with the reinforcing column, and the other end of the fastener is connected with the guard plate after penetrating through the reinforcing bottom plate and the support base.

[0011] In an embodiment of the utility model, the outer side wall of the support base is provided with a plurality of reinforcing side plates.

[0012] As described above, the utility model discloses a fixed tool for automobile beam impact test, which has the following beneficial effects: the utility model adopts the support base with the rectangular frame structure, and the reinforcing side plates are arranged on the outer wall of the support base, the reinforcing bottom plate and the reinforcing columns are arranged in the inner cavity, so that the structure of the fixed tool is more stable and not easy to deform, the fixed tool plays a good fixed supporting role when the automobile beam is impacted, and the accuracy of the test result is ensured; the structure of the fixed hoop is improved in the utility model, and the reinforcing ribs and the longer connecting part make the connection between the first hoop body and the second hoop body more firm and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the fixed tool for automobile beam disclosed in the prior art.

[0014] Figure 2 It is a structural schematic view of the fixed tool for automobile beam impact test disclosed in the utility model embodiment.

[0015] Figure 3 It is a front view schematic view of the fixed tool for automobile beam impact test disclosed in the utility model embodiment.

[0016] Figure 4 It is a sectional view schematic view of the fixed tool for automobile beam impact test disclosed in the utility model embodiment.

[0017] Element number explanation

[0018] 1, support seat; 11, reinforcing bottom plate; 12, reinforcing side plate; 2, fixed hoop; 21, first hoop body; 22, second hoop body; 23, connecting part; 24, reinforcing rib; 3, guard plate; 4, positioning column; 5, reinforcing column; 6, automobile cross beam. DETAILED DESCRIPTION

[0019] The implementation of the present application will be described by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosure. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0020] Please refer to Figures 2-4 The utility model provides a kind of fixed tool for automobile cross beam impact test, including support seat 1 and two fixed hoops 2, the support seat 1 is the rectangular frame structure of upper opening, and the support seat 1 of rectangular frame structure is more stable, not easy to deform;The fixed hoop 2 is respectively arranged at the bottom of support seat 1 and is located at the left and right ends of support seat 1, and guard plate 3 is provided at the bottom of support seat 1 and between two fixed hoops 2, the setting of guard plate 3 can avoid the gap between automobile cross beam 6 and support seat 1, so that automobile cross beam 6 is fixed more firmly, and guard plate 3 can protect support seat 1.

[0021] Further, the width of the guard plate 3 is greater than the width of the automobile cross beam 6, so that it can fully resist the automobile cross beam 6 and avoid damaging the support seat 1 after the deformation of the automobile cross beam 6.

[0022] In an embodiment of the present application, the fixed hoop 2 includes a corresponding first hoop body 21 and a second hoop body 22, the first hoop body 21 is fixedly connected with the support seat 1, both ends of the first hoop body 21 and the second hoop body 22 are provided with a connecting part 23, the connecting part 23 is provided with a corresponding bolt hole, and the first hoop body 21 and the second hoop body 22 are detachably connected by bolts; The outer wall of the first hoop body 21 and the second hoop body 22 is circumferentially provided with a reinforcing rib 24. By providing the reinforcing rib 24 on the outer wall of the two hoop bodies, the structural strength of the hoop can be enhanced, so that the hoop can withstand the reaction force at both ends of the automobile cross beam 6 when impacted, thereby ensuring the firm locking of the automobile cross beam 6.

[0023] Further, the reinforcing rib 24 of the first hoop body 21 and the second hoop body 22 after buckling forms a complete arc.

[0024] Further, the length of the connecting portion 23 is greater than the length of the first and second hoop bodies 21 and 22. Due to the increased length of the connecting portion 23, the structure can be enhanced, and a bolt can be additionally provided in the connecting portion 23, so that the connection is more firm and reliable.

[0025] In an embodiment of the utility model, the inner cavity of the support base 1 is provided with a reinforcing bottom plate 11 closely attached to the bottom of the support base 1. The reinforcing bottom plate 11 can reinforce the structure of the bottom surface of the support base 1 and reduce the deformation caused by impact.

[0026] Further, the inner cavity of the support base 1 is provided with positioning columns 4. The positioning columns 4 are respectively located above the fixed hoop 2 and connected to the fixed hoop 2 by fasteners. One end of the fastener is connected to the positioning column 4, and the other end of the fastener is connected to the first hoop body 21 after passing through the reinforcing bottom plate 11 and the support base 1. The fixed hoop 2 is fixed by the positioning columns 4 and the fasteners, so that the fixed hoop 2 is firmly connected to the support base 1, and the fixed hoop 2 is not easily displaced or deformed when impacted.

[0027] Further, the inner cavity of the support base 1 is further provided with reinforcing columns 5. The reinforcing columns 5 are arranged between the positioning columns 4. The reinforcing columns 5 and the guard plates 3 are connected by fasteners. One end of the fastener is connected to the reinforcing column 5, and the other end of the fastener is connected to the guard plate 3 after passing through the reinforcing bottom plate 11 and the support base 1.

[0028] Further, the outer side wall of the support base 1 is provided with a plurality of reinforcing side plates 12. The reinforcing side plates 12 and the reinforcing columns 5 can improve the structural strength of the support base 1 and avoid deformation of the support base 1.

[0029] In summary, the utility model adopts a support base with a rectangular frame structure. Reinforcing side plates are arranged on the outer wall of the support base, a reinforcing bottom plate and reinforcing columns are arranged in the inner cavity of the support base, so that the structure of the fixed tooling is more stable and not easily deformed. When the automobile cross beam is impacted, the support base plays a good role in fixing and supporting, and the accuracy of the test results is ensured. The structure of the fixed hoop is improved. The reinforcing ribs and the longer connecting portion make the connection of the first hoop body and the second hoop body more firm and reliable. Therefore, the utility model effectively overcomes the shortcomings of the prior art and has high industrial utilization value.

[0030] In the specification, the terms such as "upper", "lower", "left", "right", "front", "rear", "middle" and "one" are only for the convenience of description and do not limit the scope of the utility model. The change or adjustment of the relative relationship does not substantially change the technical content and is also considered as the scope of the utility model.

[0031] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. All equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the present application should still be covered by the claims of the present application.

Claims

1. Fixture for automobile crossbeam impact test, characterized in that: It includes a support seat and two fixed hoops, the support seat is a rectangular frame structure with an opening at the top, the fixed hoops are respectively arranged at the bottom of the support seat and at the left and right ends of the support seat, and a guard plate is provided at the bottom of the support seat and between the two fixed hoops, the fixed hoop includes a first hoop body and a second hoop body which are correspondingly arranged, the first hoop body and the support seat are fixedly connected, both ends of the first hoop body and the second hoop body are provided with connecting parts, the connecting parts are provided with corresponding bolt holes, and the first hoop body and the second hoop body are detachably connected by bolts; the outer walls of the first hoop body and the second hoop body are circumferentially provided with reinforcing ribs.

2. The fixture for automobile crossbeam impact testing according to claim 1, characterized in that: The length of the connecting portion is greater than the lengths of the first hoop body and the second hoop body.

3. The fixture for automobile crossbeam impact testing according to claim 1, characterized in that: The width of the guard plate is greater than the width of the automobile cross beam.

4. The fixing fixture for automobile crossbeam impact testing according to claim 1, characterized in that: A reinforcement bottom plate is provided in the inner cavity of the support seat and is in close contact with the bottom of the support seat.

5. The fixing fixture for automobile crossbeam impact testing according to any one of claims 1 to 4, characterized in that: A positioning column is provided in the inner cavity of the support seat, and the positioning column is respectively located above the fixed clamp and is connected to the fixed clamp through a fastener. One end of the fastener is connected to the positioning column, and the other end of the fastener passes through the reinforced base plate and the support seat and is connected to the first clamp body.

6. The fixing fixture for automobile crossbeam impact testing according to claim 5, characterized in that: Reinforcement columns are also provided in the inner cavity of the support seat, and the reinforcement columns are arranged at intervals between the positioning columns. The reinforcement columns and the guard plate are connected by fasteners, one end of the fastener is connected to the reinforcement column, and the other end of the fastener passes through the reinforced base plate and the support seat and is connected to the guard plate.

7. The fixture for automobile crossbeam impact testing according to claim 1, characterized in that: The outer side wall of the support seat is provided with a plurality of reinforcing side panels.

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