Pedal anti-collision beam assembly and commercial vehicle

Abstract

The utility model relates to a pedal anti-collision beam assembly and a commercial vehicle, and belongs to the field of vehicles. According to the technical scheme, the pedal anti-collision beam assembly comprises an anti-collision beam and two pedal assemblies and further comprises two support assemblies, the positions, close to the two ends, of the rear side face of the anti-collision beam are connected with the front portions of the two support assemblies respectively, the two pedal assemblies are installed on the opposite faces of the two support assemblies respectively, and the two support assemblies are connected with the anti-collision beam. The two ends of the anti-collision cross beam are fixedly connected with the front portions of the two pedal assemblies respectively. The utility model has the beneficial effects that the pedal components on the two sides and the anti-collision cross beam on the front part of the vehicle are integrated into an integral structure and are arranged on the frame through the bracket components on the two sides, and the bracket components, the pedal components and the anti-collision cross beam are connected pairwise to form a closed structure, so that an overlarge cantilever structure is eliminated, the modal frequency is improved, and the reliability of the vehicle is improved. And idle speed resonance jitter is avoided.

Description

Technical Field

[0001] The utility model relates to the field of vehicles, in particular to a pedal anti-collision beam assembly and a commercial vehicle. Background Art

[0002] Commercial vehicles include freight trucks and buses. The frame structure of freight trucks is significantly different from that of buses and general passenger cars. It is usually composed of two longitudinal beams and several cross beams connecting the longitudinal beams. The vehicle's power system, cab and cargo part are installed on the frame.

[0003] The overall power system of a commercial vehicle includes a series-connected engine, gearbox, axle, and the drive shaft, differential and other structures in between. The power output of the engine is transmitted to each axle through the gearbox, thereby driving the vehicle. The engine power matched with a heavy-duty vehicle is relatively large, so the idle vibration excitation is relatively large.

[0004] At the same time, in order to reasonably arrange medium and heavy-duty diesel engines, the cab of heavy-duty vehicles is often arranged at a higher level. In order to facilitate the driver and passengers to get on and off the vehicle, a multi-level pedal is required. The pedal structure is located under the door of the cab and matches the side panel of the vehicle. At the same time, in order to ensure the support strength when people step on it, the strength requirement is relatively high. Therefore, the pedal structure needs to have an independent skeleton structure and then install a pedal panel. For heavy-duty vehicles with two-level steps on the chassis, the second-level step has a small bending stiffness due to the long cantilever, and the modal frequency is low, which is prone to resonance. In particular, the front end of heavy-duty vehicles vibrates greatly under idling conditions, so the vibration response on the pedal bracket is large, which is manifested as severe shaking of the pedal bracket when the vehicle is idling. Summary of the invention

[0005] The utility model provides a pedal anti-collision beam assembly to solve the problem of large idling vibration of the pedal on commercial vehicles.

[0006] In order to solve the above problems, the technical solution adopted by the utility model is a pedal anti-collision beam assembly, including an anti-collision beam and two pedal assemblies, and also including two bracket assemblies. The rear side surface of the anti-collision beam is respectively connected to the front of the two bracket assemblies near the two ends. The two pedal assemblies are respectively installed on the opposite sides of the two bracket assemblies, and the two ends of the anti-collision beam are respectively fixedly connected to the front of the two pedal assemblies. This structure integrates the pedal assemblies on both sides and the anti-collision beam at the front of the vehicle into an integrated structure, and is installed on the frame through the bracket assemblies on both sides. The bracket assemblies, pedal assemblies and anti-collision beams are connected in pairs to form a closed structure, eliminating the excessive cantilever structure, improving the modal frequency, and avoiding idle resonance jitter.

[0007] Preferably, a connecting beam is provided between the bracket assembly and the pedal assembly, the connecting beam is S-shaped, the upper end of the connecting beam is fixedly connected to the bracket assembly, and the lower end of the connecting beam is fixedly connected to the pedal assembly.

[0008] Preferably, the cross section of the connecting beam is circular. The connecting beam is an S-shaped circular tube structure, has high rigidity, and the pedal assembly is firmly installed and connected.

[0009] Preferably, the bracket assembly includes a front end casting and a transition bracket, the transition bracket is fixedly connected to the lower part of the front end casting, the connecting beam is installed on the upper part of the front end casting, the anti-collision beam is installed on the lower front side of the transition bracket along the driving direction of the vehicle, and the connection point between the transition bracket and the front end casting is located in front of the connection point between the connecting beam and the transition bracket.

[0010] Preferably, the front upper portion of the front casting extends forward in the direction of vehicle travel to form a mounting base portion, which can serve as a mounting base for other structures such as headlights, while reducing the modal frequency of the structure, reducing resonance, and avoiding vibration damage to the headlights.

[0011] Preferably, a connecting plate is provided at the upper end of the connecting beam, the connecting plate is located in a vertical plane, the upper part of the connecting beam is arranged horizontally, and a plurality of reinforcing ribs are provided between the outer side surface of the connecting beam and the connecting plate, so as to improve the installation strength of the connecting beam.

[0012] Preferably, the pedal assembly includes a plurality of connecting columns, which are vertically arranged, the middle portions of which are connected to the bracket assembly, the lower ends of which are commonly connected to a primary pedal bracket, and the upper ends of which are provided with a secondary pedal bracket.

[0013] Preferably, the connecting column is a U-shaped folded plate, which ensures its own strength while achieving a weight reduction effect.

[0014] Preferably, the front edge of the first-stage pedal bracket is provided with an inclined plate portion, which extends in the front and upper direction of the vehicle's travel direction, and the end of the anti-collision beam is fixedly connected to the inclined plate portion. The inclined surface connection increases the connection area, improves the connection stability, and makes the appearance more beautiful.

[0015] On the other hand, the utility model also provides a commercial vehicle, including a frame, the frame including two frame longitudinal beams, the frame is equipped with the above-mentioned pedal anti-collision beam assembly, the bracket assemblies are respectively installed at the front ends of the outer sides of the frame longitudinal beams, the anti-collision beams are located in front of the frame, and the two pedal assemblies are respectively located on both sides of the frame.

[0016] It can be seen from the above technical solutions that the advantages of the utility model are that the anti-collision beam, pedal assembly, transition bracket, front casting and connecting beam form a closed frame structure, which improves the bending stiffness of the on-board pedal assembly and the modal frequency. The connecting beam is provided with reinforcing ribs at the root position, which improves the vertical and front-to-back stiffness and the modal frequency of the pedal system. Compared with the on-board pedal bracket of the prior art, especially the cantilever structure of the second-stage pedal, the on-board pedal bracket assembly structure effectively avoids the idle resonance vibration of the pedal bracket. The headlight bracket is installed on the mounting base above the anti-collision beam, and the closed structure of the assembly also improves the modal frequency of the headlight bracket, reducing the probability of damage to the headlight due to idle vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the utility model, the drawings required for use in the description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic structural diagram of the first embodiment of the present utility model.

[0019] Figure 2 It is a top view schematic diagram of the first embodiment of the utility model.

[0020] Figure 3 It is a schematic structural diagram of the pedal assembly in the first embodiment of the utility model.

[0021] Figure 4 It is a schematic structural diagram of the front end casting in the first embodiment of the utility model.

[0022] Description of main reference numerals

[0023] 1. Pedal assembly, 11. First-stage pedal bracket, 12. Connecting column, 13. Second-stage pedal bracket, 2. Connecting beam, 3. Transition bracket, 4. Front-end casting, 4-1. Installation base, 5. Frame longitudinal beam, 6. Anti-collision beam. DETAILED DESCRIPTION

[0024] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme of the utility model will be clearly and completely described below in combination with the drawings in the specific embodiment. Obviously, the embodiments described below are only part of the embodiments of the utility model, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0025] Embodiment 1

[0026] A pedal anti-collision beam assembly is provided, which integrates a front anti-collision beam on a commercial vehicle (i.e., the anti-collision beam 6 in this solution) and steps located on both sides of the cab for drivers and passengers to step on when getting on the vehicle (i.e., the pedal assembly 1 in this solution).

[0027] In the following description, the front-to-back direction is defined as the direction of travel of the vehicle (traveling from rear to front, i.e., the front of the vehicle is located at the front of the vehicle), and the up-down direction is defined as the up-down direction in the natural reference system.

[0028] like Figure 1 , 2 As shown, the anti-collision beam pedal assembly includes the above-mentioned anti-collision beam 6 and two pedal assemblies 1, and also includes two bracket assemblies ( Figure 1 One side is shown, the other side is Figure 1 The structure is symmetrical), the bracket assembly is used to connect with the frame of the commercial vehicle. Specifically, the bracket assembly includes a front end casting 4 and a transition bracket 3. The transition bracket is fixedly connected to the lower front part of the front end casting 4. The rear sides of the front end castings 4 on both sides are respectively installed with connecting beams 2. The connecting beams 2 are located on the outsides of the two front end castings 4 (that is, the side opposite to the two front end castings 4, which is the side opposite to the longitudinal beam of the frame after loading). The connecting beam 2 is used to install the pedal assembly 1. The connection point between the transition bracket 3 and the front end casting 4 is located in front of the connection point between the connecting beam 2 and the transition bracket. Specifically, In this embodiment, the connecting beam 2 is S-shaped and has a circular cross-section. The tangents at both ends of the S-shape are in the horizontal direction, and the middle part transitions in the vertical direction, that is, the overall S-shaped curve of the connecting beam 2 is relatively smooth. A connecting plate is provided at the upper end of the connecting beam 2, and the connecting plate is located in the vertical plane. The upper part of the connecting beam 2 is horizontally arranged, and a plurality of reinforcing rib plates are provided between the outer side surface of the connecting beam 2 and the connecting plate. The reinforcing rib plates are evenly arranged along the circumference of the upper end of the connecting beam 2. Four connecting holes are provided on the connecting plate, which are connected to the front end casting by bolts, and the lower end of the connecting beam 2 is connected to the corresponding pedal assembly 1.

[0029] like Figure 3As shown, the pedal assembly includes a plurality of connecting columns 12 (two in this embodiment), the connecting columns 12 are U-shaped folded plate structures, arranged vertically, the connecting column 12 located at the rear side is fixedly connected to the connecting beam 2, the lower ends of the two connecting columns 12 are commonly connected to a first-stage pedal bracket 11, the first-stage pedal bracket 11 is rectangular, and a weight-reducing hole is provided in the middle thereof; the upper ends of the connecting columns 12 are commonly installed with a second-stage pedal bracket 13, the second-stage pedal bracket 13 is a U-shaped structure, and the two ends of the U-shaped structure extend outward. The rear side surface of the anti-collision beam 6 is respectively connected to the lower front end of the two transition brackets 3 near the two ends, the front side edge of the first-stage pedal bracket 11 is provided with an inclined plate portion, and the inclined plate portion extends to the front and upper direction of the vehicle's travel direction, and the end of the anti-collision beam 6 is fixedly connected to the inclined plate portion.

[0030] like Figure 4 As shown, the front upper portion of the front end casting 4 extends forward in the direction of vehicle travel to form a mounting base portion 4-1, and the mounting base portion 4-1 can be used to mount structures such as the front panel and headlights of the vehicle.

[0031] Embodiment 2

[0032] Based on the pedal anti-collision beam assembly provided in Example 1, this embodiment further provides a commercial vehicle, including a frame, the frame including two frame longitudinal beams 5, the frame is installed with the pedal anti-collision beam assembly provided in Example 1, the bracket assemblies are respectively installed at the front ends of the outer sides of the frame longitudinal beams, the front end casting 4 is fixedly connected to the frame longitudinal beams, the anti-collision beam 6 is located in front of the frame, and the two pedal assemblies 1 are respectively located on both sides of the frame.

[0033] It can be seen from the above embodiments that the beneficial effect of the utility model is that the anti-collision beam, pedal assembly, transition bracket, front casting and connecting beam constitute a closed frame structure, which improves the bending stiffness of the on-board pedal assembly and the modal frequency. The connecting beam is provided with reinforcing ribs at the root position, which improves the vertical and front-to-back stiffness and the modal frequency of the pedal system. Compared with the on-board pedal bracket of the prior art, especially the cantilever structure of the second-stage pedal, the on-board pedal bracket assembly structure effectively avoids the idle resonance vibration of the pedal bracket. The headlight bracket is installed on the mounting base above the anti-collision beam, and the closed structure of the assembly also improves the modal frequency of the headlight bracket and reduces the probability of damage to the headlight due to idle vibration.

[0034] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pedal anti-collision beam assembly, comprising an anti-collision beam (6) and two pedal assemblies (1), characterized in that: It also comprises two bracket assemblies, wherein the rear side surface of the anti-collision beam (6) is respectively connected to the front of the two bracket assemblies near the two ends, and the two pedal assemblies (1) are respectively mounted on the opposite sides of the two bracket assemblies, and the two ends of the anti-collision beam (6) are respectively fixedly connected to the front of the two pedal assemblies (1).

2. The pedal anti-collision beam assembly according to claim 1, characterized in that: A connecting beam (2) is provided between the bracket assembly and the pedal assembly, the connecting beam (2) being S-shaped, the upper end of the connecting beam (2) being fixedly connected to the bracket assembly, and the lower end of the connecting beam (2) being fixedly connected to the pedal assembly (1).

3. The pedal anti-collision beam assembly according to claim 2, characterized in that: The bracket assembly comprises a front end casting (4) and a transition bracket (3), the transition bracket being fixedly connected to the lower part of the front end casting (4), the connecting beam (2) being mounted on the upper part of the front end casting (4), the anti-collision beam (6) being mounted on the lower front side of the transition bracket (3) along the driving direction of the vehicle, and the connection point between the transition bracket (3) and the front end casting (4) being located in front of the connection point between the connecting beam (2) and the transition bracket.

4. The pedal anti-collision beam assembly according to claim 2, characterized in that: The cross section of the connecting beam (2) is circular.

5. The pedal anti-collision beam assembly according to claim 3, characterized in that: The front upper portion of the front end casting (4) extends forward in the direction of travel of the vehicle to form a mounting base portion.

6. The pedal anti-collision beam assembly according to claim 2, characterized in that: A connecting plate is provided at the upper end of the connecting beam (2), the connecting plate being located in a vertical plane, the upper part of the connecting beam (2) being arranged horizontally, and a plurality of reinforcing rib plates being provided between the outer side surface of the connecting beam (2) and the connecting plate.

7. The pedal anti-collision beam assembly according to claim 1, characterized in that: The pedal assembly (1) comprises a plurality of connecting columns (12), wherein the connecting columns (12) are arranged vertically, the middle portions of the connecting columns (12) are connected to the bracket assembly, the lower ends of the connecting columns are commonly connected to a primary pedal bracket (11), and the upper ends of the connecting columns (12) are provided with a secondary pedal bracket (13).

8. The pedal anti-collision beam assembly according to claim 7, characterized in that: The connecting column (12) is a U-shaped folded plate.

9. The pedal anti-collision beam assembly according to claim 7, characterized in that: The front side edge of the first-stage pedal bracket (11) is provided with an inclined plate portion, which extends in the upper and front direction of the vehicle's travel direction, and the end of the anti-collision beam (6) is fixedly connected to the inclined plate portion.

10. A commercial vehicle, comprising a frame, the frame comprising two frame longitudinal beams (5), characterized in that: The frame is mounted with a pedal anti-collision beam assembly as claimed in any one of claims 1 to 9, the bracket assemblies are respectively mounted at the front ends of the outer sides of the frame longitudinal beams, the anti-collision beam (6) is located in front of the frame, and the two pedal assemblies (1) are respectively located on both sides of the frame.

Images