Rigidity test assistive device for roof rack

Abstract

The utility model relates to a rigidity test assistive device for a roof rack, which comprises a main body frame, four clamping block assemblies arranged at the bottom of the main body frame, and a universal joint loading ring arranged at the top of the main body frame, and the main body frame is composed of a rectangular frame body and a cross-shaped reinforcing rib fixedly connected to the rectangular frame body. The middle position of the cross-shaped reinforcing rib is fixedly connected with a connecting seat, the bottom of the universal joint loading ring is fixedly connected to the connecting seat, the universal joint loading ring is connected with a pulling device, and the four clamping block assemblies are divided into two groups which are fixedly connected to the four corners of the bottom of the main body frame respectively. The four clamping block assemblies in the two sets are used for fixedly connecting the two luggage rack supports to the main body frame, and after the two luggage rack supports are installed on the top of an automobile, the pulling device pulls the luggage rack supports through the universal joint loading rings to conduct rigidity tests at different angles. The luggage rack assistive device has the advantages that the assistive device is fixed with the luggage rack, so that the connection is firmer, and the stress condition in any direction can be simulated.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile manufacturing, and in particular relates to a roof luggage rack stiffness test aid. Background Art

[0002] Vehicle roof racks are fashionable and important parts installed on vehicles such as SUVs, and can also be equipped with a device that can functionally carry additional luggage. Today, the most functional vehicles are often equipped with roof racks to meet the needs of a market where leisure and outdoor activities are essential.

[0003] However, the roof rack needs to undergo a stiffness test before leaving the factory to simulate the stress state of the roof rack under various working conditions. However, the existing roof rack has no professional auxiliary equipment during the experiment and can only be fixed by a simple frame. As a result, the luggage rack is not only difficult to fix during the experiment, but also has a large error problem when simulating the stress condition in any direction. There is an urgent need for a roof rack stiffness test auxiliary equipment. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide a roof luggage rack stiffness test aid, which is used to fix the luggage rack and simulate force in any direction during the roof luggage rack stiffness test, so as to overcome the shortcomings of the above-mentioned prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A roof luggage rack stiffness test aid comprises: a main frame, four clamping block assemblies installed at the bottom of the main frame, and a universal joint loading ring installed at the top of the main frame, wherein the main frame is composed of a rectangular frame body and cross-shaped reinforcing ribs fixedly connected to the rectangular frame body, a connecting seat is fixedly connected to the middle position of the cross-shaped reinforcing ribs, and the bottom of the universal joint loading ring is fixedly connected to the connecting seat, and the universal joint loading ring is connected to a pulling device, wherein the four clamping block assemblies are divided into two groups and are respectively fixedly connected to the four corner positions at the bottom of the main frame, and the two groups of four clamping block assemblies are used to fix two luggage rack brackets to the main frame. When the two luggage rack brackets are installed on the top of the car, the pulling device pulls the luggage rack bracket through the universal joint loading ring to perform stiffness tests at different angles.

[0007] As a preferred embodiment of the present invention, the clamping block assembly consists of an upper clamping plate and a lower clamping plate, the upper clamping plate is fixedly connected to the bottom of the rectangular frame, the lower clamping plate is connected to the upper clamping plate by bolts, and a luggage rack bracket is placed between the upper clamping plate and the lower clamping plate and is clamped and fixed by bolts.

[0008] As a preferred embodiment of the present invention, two bolt clamping holes are respectively provided on the upper clamping plate and the lower clamping plate.

[0009] The advantages and positive effects of the utility model are:

[0010] 1. The utility model uses a luggage rack stiffness test aid, which is fixed to the luggage rack through the aid, which not only makes the connection more firm, but also can simulate the force condition in any direction.

[0011] 2. The utility model connects the pulling device by adding a universal joint loading ring to adapt to loading forces in different directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 It is the overall structural front view of the utility model.

[0014] Figure 3 It is a bottom view of the overall structure of the utility model.

[0015] Figure numerals: main frame 1, rectangular frame 101, cross-shaped reinforcement rib 102, connecting seat 103, clamping block assembly 2, upper clamping plate 201, lower clamping plate 202, bolt 203, clamping hole 204, universal joint loading ring 3, luggage rack bracket 4. DETAILED DESCRIPTION

[0016] In the following description, for the purpose of illustration, in order to provide a comprehensive understanding of one or more embodiments, many specific details are set forth. However, it is apparent that these embodiments may also be implemented without these specific details. In other examples, for ease of describing one or more embodiments, known structures and devices are shown in the form of block diagrams.

[0017] See also Figure 1-3The present embodiment provides a roof luggage rack stiffness test aid, comprising: a main frame 1, four clamping block assemblies 2 installed at the bottom of the main frame 1, and a universal joint loading ring 3 installed at the top of the main frame 1. The main frame 1 is composed of a rectangular frame 101 and a cross-shaped reinforcing rib 102 fixedly connected to the rectangular frame 101. A connecting seat 103 is fixedly connected to the cross-intersection position of the cross-shaped reinforcing rib 102. The bottom of the universal joint loading ring 3 is fixedly connected to the connecting seat 103. The universal joint loading ring 3 is connected to a pulling device, wherein the four clamping block assemblies 2 are divided into two groups and are respectively fixedly connected to the four corners at the bottom of the main frame 1. The two groups of four clamping block assemblies 2 are used to fix two luggage rack brackets 4 to the main frame 1. When the two luggage rack brackets 4 are installed on the top of the car, the pulling device pulls the luggage rack bracket 4 through the universal joint loading ring 3 to perform stiffness tests at different angles. The clamping block assembly 2 is composed of an upper clamping plate 201 and a lower clamping plate 202. The upper clamping plate 201 is fixedly connected to the inner side of the bottom of the rectangular frame 101. The lower clamping plate 202 is connected to the upper clamping plate 201 by bolts 203. The luggage rack bracket 4 is placed between the upper clamping plate 201 and the lower clamping plate 202 and is clamped and fixed by bolts 203. Two clamping holes 204 for convenient bolts to pass through are respectively provided on the upper clamping plate 201 and the lower clamping plate 202. To further increase the connection strength between the main frame 1 and the luggage rack bracket 4, a bolt hole can be provided on the luggage rack bracket 4, and correspondingly, corresponding bolt holes are also provided on the upper clamping plate 201 and the lower clamping plate 202 to increase the connection strength between the luggage rack bracket 4 and the clamping block assembly 2.

[0018] Working principle: The main frame 1 is fixedly connected to the luggage rack bracket 4. Since the main frame 1 is rectangular, after being fixedly connected to the luggage rack bracket 4, it can simulate the additional luggage installed on the luggage rack bracket 4. The main frame 1 is equipped with a universal joint loading ring 3 that can be adjusted in different directions. When the universal joint loading ring 3 is connected to the pulling device (loading device), it can simulate the weight of luggage with different strengths, thereby testing the strength of the luggage rack bracket 4.

[0019] The above are only specific implementations of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A roof rack stiffness test aid, characterized in that: include: A main frame, four clamping block assemblies installed at the bottom of the main frame, and a universal joint loading ring installed at the top of the main frame. The main frame consists of a rectangular frame body and cross-shaped reinforcing ribs fixedly connected to the rectangular frame body. A connecting seat is fixedly connected to the middle position of the cross-shaped reinforcing ribs, and the bottom of the universal joint loading ring is fixedly connected to the connecting seat. The universal joint loading ring is connected to a pulling device, wherein the four clamping block assemblies are divided into two groups and are respectively fixedly connected to the four corners of the bottom of the main frame. The two groups of four clamping block assemblies are used to fix two luggage rack brackets to the main frame. When the two luggage rack brackets are installed on the top of the car, the pulling device pulls the luggage rack bracket through the universal joint loading ring to perform stiffness tests at different angles.

2. A roof rack stiffness test aid according to claim 1, characterized in that: The clamping block assembly consists of an upper clamping plate and a lower clamping plate, wherein the upper clamping plate is fixedly connected to the bottom of the rectangular frame, and the lower clamping plate is connected to the upper clamping plate by bolts, and a luggage rack bracket is placed between the upper clamping plate and the lower clamping plate and is clamped and fixed by bolts.

3. A roof rack stiffness test aid according to claim 2, characterized in that: The upper clamping plate and the lower clamping plate are respectively provided with two bolt clamping holes.

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