Auxiliary frame sleeve for vehicle debugging and auxiliary frame comprising same

Abstract

The utility model provides an auxiliary frame casing pipe for vehicle debugging and an auxiliary frame comprising the auxiliary frame casing pipe, the auxiliary frame casing pipe for vehicle debugging comprises a lining installation fixed support, a lining installation movable support and a connecting and fixing assembly, the lining installation movable support is connected with the lining installation fixed support through the connecting and fixing assembly, and the lining installation movable support is connected with the lining installation fixed support through the connecting and fixing assembly. And a hollow positioning bushing is formed. According to the utility model, the efficiency and the flexibility of vehicle dynamics debugging can be obviously improved through the technical advantages of providing convenient bushing installation and replacement, flexibly adjusting the clamping force of the bushing, not needing special equipment and tools, flexibly replacing the fastener and the like.

Description

Technical Field

[0001] The utility model relates to the field of vehicle debugging, in particular to a subframe sleeve for vehicle debugging and a subframe comprising the same. Background Art

[0002] Vehicle dynamics tuning is a critical task in vehicle development, ensuring safety, stability, and performance under various road and driving conditions. Vehicle dynamics tuning encompasses a wide range of areas: suspension tuning, steering tuning, tire performance optimization, stability control system tuning, low-friction road testing, and more.

[0003] Many commissioning projects involve testing the appropriate parameter combinations of elastic components in the vehicle body suspension system, such as subframe-to-body mounting bushings. These bushings play a crucial role in the vehicle, reducing friction and wear, absorbing vibrations, reducing noise, and providing support and positioning.

[0004] The front and rear subframe bushings are the next-level components of the subframe assembly. Mass-produced parts are assembled by press-fitting into the subframe bushing sleeves. This process requires specialized equipment and tooling to properly press-fit the bushings, making it impossible to replace bushings on-site at the test base. During vehicle dynamics tuning, different subframe bushing combinations with different parameters are required to select the optimal combination. Bushing adjustment plans are typically developed in real time during the tuning process based on the previous round of on-road test data.

[0005] Therefore, the bushing assembly process for mass-produced parts presents the following problems for vehicle dynamics debugging:

[0006] 1. The bushing is fixed on the subframe

[0007] Conventional subframe bushings use a fixed assembly process, where the bushing sleeve is pressed into the subframe. This results in fixed subframe bushing parameters, making it difficult to flexibly modify them.

[0008] During vehicle dynamics debugging, bushing combinations with different parameters may be required, but conventional subframes cannot meet this requirement.

[0009] 2. Special equipment and tooling are required to replace the bushing

[0010] The conventional subframe assembly process requires special equipment and tooling, which increases the complexity of production and debugging, and also makes it impossible to replace the bushing on-site at the test base.

[0011] 3. Unable to adjust bushing in real time

[0012] In vehicle dynamics debugging, it may be necessary to propose adjustment plans in real time based on actual test data to find the optimal bushing parameter combination.

[0013] The bushing assembly process of conventional subframes is difficult to adjust in real time, which may lead to inefficient debugging and require more time and resources to complete the debugging process.

[0014] In view of this, the inventors of the present application have designed a subframe sleeve for vehicle debugging and a subframe including the same, in order to overcome the above technical problems. Utility Model Content

[0015] The technical problem to be solved by the utility model is to overcome the defects in the prior art that vehicle debugging requires special equipment to replace the bushing and the bushing cannot be adjusted in real time, and provide a subframe sleeve for vehicle debugging and a subframe including the same.

[0016] The utility model solves the above technical problems through the following technical solutions:

[0017] A subframe sleeve for vehicle debugging is characterized in that the subframe sleeve for vehicle debugging includes a bushing mounting fixed bracket, a bushing mounting movable bracket and a connecting and fixing assembly. The bushing mounting movable bracket is connected to the bushing mounting fixed bracket through the connecting and fixing assembly to form a hollow positioning bushing.

[0018] According to one embodiment of the present invention, the bushing mounting fixing bracket has a first semicircular curved surface, and a first fixed mounting plane and a second fixed mounting plane are respectively provided at both ends of the first semicircular curved surface. The bushing mounting fixing bracket is fixed on the subframe body.

[0019] According to an embodiment of the present invention, at least two first mounting holes are provided on the first fixed mounting plane, and at least one first mounting hole is provided on the second fixed mounting plane.

[0020] According to one embodiment of the present invention, the bushing mounting movable bracket has a second semicircular curved surface, and the two ends of the second semicircular curved surface are respectively provided with a first mounting surface and a second mounting surface, the first mounting surface is connected to the first fixed mounting plane, and the second mounting surface is connected to the second fixed mounting plane.

[0021] According to an embodiment of the present invention, at least two second mounting holes are provided on the first mounting surface, and at least one second mounting hole is provided on the second mounting surface.

[0022] According to an embodiment of the present invention, a circular curved positioning bushing is formed between the bushing mounting fixed bracket and the bushing mounting movable bracket.

[0023] According to an embodiment of the present invention, the outer end of the second mounting surface has a warping structure, so that there is a gap between the second mounting surface and the bushing mounting and fixing bracket.

[0024] According to an embodiment of the present invention, the connection and fixing assembly is a connection bolt and nut.

[0025] The utility model also discloses a sub-frame, which is characterized in that the sub-frame comprises the sub-frame sleeve for vehicle debugging as described above.

[0026] The positive progress effect of this utility model is:

[0027] The subframe sleeve for vehicle debugging and the subframe including the same of the utility model can significantly improve the efficiency and flexibility of vehicle dynamic debugging by providing convenient bushing installation and replacement, flexible adjustment of bushing clamping force, no need for special equipment and tooling, and flexible replacement of fasteners. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above and other features, properties and advantages of the present invention will become more apparent through the following description in conjunction with the accompanying drawings and embodiments, in which the same reference numerals represent the same features throughout, wherein:

[0029] Figure 1 This is a schematic diagram of the installation of a subframe sleeve for vehicle debugging according to the utility model on a subframe.

[0030] Figure 2 This is a structural schematic diagram of a bushing mounting fixing bracket in a subframe sleeve for vehicle debugging according to the present invention.

[0031] Figure 3 This is a structural diagram of a movable bracket for installing a bushing in a subframe sleeve for vehicle debugging according to the present invention.

[0032] Figure 4 This is a schematic structural diagram of the connecting bolts and nuts in the subframe sleeve for vehicle debugging of the present utility model.

[0033] Reference numerals

[0034] Bushing mounting bracket 10

[0035] Bushing installation movable bracket 20

[0036] First mounting hole 30

[0037] Connecting bolts and nuts 100

[0038] First semicircular curved surface 11

[0039] First fixed installation plane 12

[0040] Second fixed installation plane 13

[0041] Second semicircular curved surface 21

[0042] First mounting surface 22

[0043] Second mounting surface 23

[0044] Second mounting hole 40

[0045] Warped Structure 231 DETAILED DESCRIPTION

[0046] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0047] Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numerals will be used throughout the drawings to represent the same or similar parts.

[0048] In addition, although the terms used in the present invention are selected from well-known and commonly used terms, some terms mentioned in the specification of the present invention may be selected by the applicant at his or her discretion, and their detailed meanings are explained in the relevant parts of the description of this article.

[0049] Furthermore, it is required that the present invention be understood not only by the actual terms used but also by the meanings connoted by each term.

[0050] Figure 1 This is a schematic diagram of the installation of a subframe sleeve for vehicle debugging according to the utility model on a subframe.

[0051] Figure 2 This is a structural schematic diagram of a bushing mounting fixing bracket in a subframe sleeve for vehicle debugging according to the present invention.

[0052] Figure 3 This is a structural diagram of a movable bracket for installing a bushing in a subframe sleeve for vehicle debugging according to the present invention.

[0053] Figure 4 This is a schematic structural diagram of the connecting bolts and nuts in the subframe sleeve for vehicle debugging of the present utility model.

[0054] like Figures 1 to 4As shown, the present invention discloses a subframe bushing for vehicle debugging, which includes a bushing mounting fixed bracket 10, a bushing mounting movable bracket 20, and a connecting and fixing assembly. The bushing mounting movable bracket 20 is connected to the bushing mounting fixed bracket 10 via the connecting and fixing assembly to form a hollow positioning bushing. The connecting and fixing assembly is preferably a connecting bolt and nut 100.

[0055] The bushing is fixed between the bushing mounting movable bracket 20 and the bushing mounting fixed bracket 10 by connecting bolts. Its installation and replacement are very convenient and simple. The disassembly process will not damage the subframe and bushing, and no special equipment and tooling are required.

[0056] Preferably, the bushing mounting bracket 10 has a first semicircular curved surface 11, with a first fixing surface 12 and a second fixing surface 13 respectively provided at both ends of the first semicircular curved surface 11, for fixing the bushing mounting bracket 10 to the subframe body 200. The first fixing surface 12 is provided with at least two first mounting holes 30, and the second fixing surface 12 is provided with at least one first mounting hole 30.

[0057] like Figure 2 As shown, the bushing mounting bracket 10 is fixed to the sub-frame body by welding or other means, and is integrated with the sub-frame.

[0058] Preferably, the bushing mounting movable bracket 20 has a second semicircular curved surface 21, with a first mounting surface 22 and a second mounting surface 23 respectively provided at both ends of the second semicircular curved surface 21. The first mounting surface 22 is connected to the first fixed mounting plane 12, and the second mounting surface 23 is connected to the second fixed mounting plane 13. At least two second mounting holes 40 are provided on the first mounting surface 22, and at least one second mounting hole 40 is provided on the second mounting surface 23.

[0059] A circular curved positioning bushing is formed between the bushing mounting fixed bracket 10 and the bushing mounting movable bracket 20 .

[0060] Furthermore, the outer end of the second mounting surface 23 has a warped structure 231, which creates a gap between the second mounting surface 23 and the bushing mounting bracket 10. The warped structure 231 makes it difficult for the second mounting surface to fit together with the bushing mounting bracket 10. The distance between the second mounting surface and the second mounting plane can be changed by adjusting the bolt connection torque, thereby adjusting the circumference and diameter of the circular curved surface.

[0061] like Figure 4As shown, the connecting and fixing assembly is preferably a connecting bolt and nut 100, which fixes the bushing mounting movable bracket 20 to the bushing mounting fixed bracket 10. During the vehicle commissioning process, bolts need to be disassembled and assembled multiple times to replace bushings. The use of hexagonal counter-bolts allows for flexible replacement of bolts and nuts during the commissioning process, preventing fastener damage from affecting bushing replacement.

[0062] The utility model also discloses a sub-frame, which is characterized in that the sub-frame comprises the sub-frame sleeve for vehicle debugging as described above.

[0063] According to the above structural description, the subframe sleeve for vehicle debugging of the utility model has the following advantages:

[0064] 1. Convenient Bushing Installation and Replacement: The subframe uses connecting bolts to connect the bushing mounting bracket to the fixed bushing mounting bracket. This design makes bushing installation and replacement extremely convenient and simple. Commissioning personnel can easily remove and replace the bushing without damaging the subframe or bushing, thereby improving commissioning efficiency.

[0065] Second, flexible adjustment of bushing clamping force: The bushing mounting bracket in the subframe features a semicircular surface with a warped outer end on one side. This design allows the distance between the two mounting surfaces to be varied by adjusting the bolt connection torque, thereby adjusting the circumference and diameter of the circular surface.

[0066] This means that the bushing clamping parameters can be adjusted in real time during the debugging process to meet different testing requirements, increasing flexibility.

[0067] 3. The movable bracket part of the bushing can be completely separated from the fixed bracket, and no large deformation or damage will occur during the disassembly and assembly process.

[0068] 4. No need for special equipment and tooling: Unlike conventional subframes, this subframe design does not require special equipment and tooling to install and replace bushings. This reduces manufacturing and commissioning costs and reduces complexity.

[0069] 5. Flexible Fastener Replacement: The subframe utilizes hexagonal bolts to secure the bushing mounting bracket. This bolt design allows for flexible replacement during commissioning while preventing fastener damage from impacting bushing replacement. This structure helps ensure the subframe's reliability and long-term use.

[0070] For those skilled in the art, the above invention disclosure is intended only as an example and does not constitute a limitation of this application. Although not explicitly stated herein, those skilled in the art may make various modifications, improvements, and amendments to this application. Such modifications, improvements, and amendments are suggested in this application and remain within the spirit and scope of the exemplary embodiments of this application.

[0071] At the same time, this application uses specific terms to describe the embodiments of this application. For example, "one embodiment," "an embodiment," and / or "some embodiments" refer to a certain feature, structure, or characteristic related to at least one embodiment of this application. Therefore, it should be emphasized and noted that "one embodiment," "an embodiment," or "an alternative embodiment" mentioned twice or multiple times in different locations in this specification does not necessarily refer to the same embodiment. In addition, certain features, structures, or characteristics in one or more embodiments of this application may be appropriately combined.

[0072] Similarly, it should be noted that, in order to simplify the description of the present disclosure and thus facilitate understanding of one or more embodiments of the invention, the foregoing descriptions of the embodiments of the present disclosure sometimes combine multiple features into a single embodiment, figure, or description thereof. However, this disclosure method does not mean that the subject matter of the present disclosure requires more features than those recited in the claims. In fact, the features of an embodiment may be fewer than the total features of a single embodiment disclosed above.

[0073] Although specific embodiments of the present invention have been described above, those skilled in the art should understand that these are merely illustrative and that the scope of protection of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, and such changes and modifications shall fall within the scope of protection of the present invention.

Claims

1. A subframe sleeve for vehicle debugging, characterized in that: The subframe sleeve for vehicle debugging includes a bushing mounting fixed bracket, a bushing mounting movable bracket and a connecting and fixing assembly. The bushing mounting movable bracket is connected to the bushing mounting fixed bracket through the connecting and fixing assembly to form a hollow positioning bushing.

2. The subframe sleeve for vehicle debugging according to claim 1, characterized in that: The bushing mounting fixing bracket has a first semicircular curved surface, and both ends of the first semicircular curved surface are respectively provided with a first fixed mounting plane and a second fixed mounting plane. The bushing mounting fixing bracket is fixed on the sub-frame body.

3. The subframe sleeve for vehicle debugging according to claim 2, characterized in that: At least two first mounting holes are provided on the first fixed mounting plane, and at least one first mounting hole is provided on the second fixed mounting plane.

4. The subframe sleeve for vehicle debugging according to claim 3, characterized in that: The bushing mounting movable bracket has a second semicircular curved surface, and the two ends of the second semicircular curved surface are respectively provided with a first mounting surface and a second mounting surface, the first mounting surface is connected to the first fixed mounting plane, and the second mounting surface is connected to the second fixed mounting plane.

5. The subframe sleeve for vehicle debugging according to claim 4, characterized in that: At least two second mounting holes are provided on the first mounting surface, and at least one second mounting hole is provided on the second mounting surface.

6. The subframe sleeve for vehicle debugging according to claim 5, characterized in that: A circular curved positioning bushing is formed between the bushing installation fixed bracket and the bushing installation movable bracket.

7. The subframe sleeve for vehicle debugging according to claim 4, characterized in that: The outer end of the second mounting surface has a warping structure, so that a gap exists between the second mounting surface and the bushing mounting and fixing bracket.

8. The subframe bushing for vehicle debugging according to claim 1, wherein: The connecting and fixing components are connecting bolts and nuts.

9. A subframe, characterized in that: The subframe includes the subframe sleeve for vehicle debugging according to any one of claims 1 to 8.

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