Transverse thrust rod fixing seat assembly based on 5.9-meter full-load passenger car end

Abstract

The utility model discloses a transverse thrust rod fixing seat assembly based on a 5.9-meter full-load-bearing passenger car end, which comprises a transverse thrust rod fixing seat body with a concave structure, a groove is formed in the center of the transverse thrust rod fixing seat body, and mounting holes are respectively formed in two ends of the front surface of the transverse thrust rod fixing seat body and positioned on two sides of the groove. The transverse thrust rod fixing seat body is mounted on the frame local structure by bolts through the mounting holes, the frame local structure is a rectangular frame, a reinforcing plate is welded in the rectangular frame, and the back face of the transverse thrust rod fixing seat body is tightly attached to the reinforcing plate and fixed through the bolts. Component parts of the transverse thrust rod fixing seat assembly are improved, the back face of a transverse thrust rod fixing seat body is fixed to a vehicle frame local structure, the transverse thrust rod assembly is installed on the front face of the transverse thrust rod fixing seat body, and the vehicle frame local structure is formed by welding a rectangular frame and a rear axle housing, so that the overall structure is simplified, and the production and manufacturing difficulty and manufacturing cost are reduced; and the lightweight design target of the whole vehicle is achieved.

Description

Technical Field

[0001] This utility model belongs to the technical field of bus manufacturing parts, specifically relating to the lateral thrust rod fixing seat assembly based on the end of a 5.9-meter fully load-bearing bus. Background Technology

[0002] The existing 5.9-meter fully load-bearing bus end transverse thrust rod fixing assembly, such as Figure 1 As shown, the vehicle-end lateral thrust rod mounting bracket body is fixed to a portion of the frame assembly. One end of the lateral thrust rod assembly is connected to the vehicle-end lateral thrust rod mounting bracket body, and the other end is connected to the lateral thrust rod suspension end fixing component. The lateral thrust rod suspension end fixing component is connected to the rear axle housing via the suspension longitudinal guide arm. The vehicle-end lateral thrust rod mounting bracket body includes an L-shaped bent component, reinforcing ribs, a fixing base plate, and an outer reinforcing plate. This assembly structure is overly complex and bulky. The frame assembly is assembled and welded using various rectangular tubes and reinforcing components, greatly increasing the difficulty of manufacturing and raising the overall vehicle production and procurement costs. Furthermore, it does not meet the vehicle's lightweight design requirements. Additionally, due to structural limitations, the design of the vehicle-end lateral thrust rod mounting bracket body is extremely complex, consisting of multiple different welded components, making it difficult to guarantee consistency in manufacturing processes and contradicting the vehicle's lightweight design requirements. Utility Model Content

[0003] The purpose of this utility model is to provide a transverse thrust rod fixing seat assembly based on the end of a 5.9-meter fully load-bearing bus. By improving the transverse thrust rod fixing seat assembly and the local structure of the frame connected to it, the manufacturing difficulty and cost are reduced, and the goal of lightweight design of the whole vehicle is achieved.

[0004] The technical solution adopted in this utility model is based on the transverse thrust rod fixing seat assembly of the whole end of a 5.9-meter fully load-bearing bus, including a transverse thrust rod fixing seat body with a U-shaped structure. The center of the transverse thrust rod fixing seat body is matched with the frame end ball head assembly of the transverse thrust rod assembly with a groove. The two ends of the front of the transverse thrust rod fixing seat body are respectively opened on both sides of the groove. The transverse thrust rod fixing seat body is installed on the local structure of the frame by bolts through the mounting holes.

[0005] Preferably, the aforementioned partial frame structure includes a front pillar, an upper longitudinal beam, a rear pillar, and a lower longitudinal beam. The front pillar, upper longitudinal beam, rear pillar, and lower longitudinal beam are connected end to end to form a rectangular frame. A reinforcing plate is welded inside the rectangular frame. The back of the transverse thrust rod fixing seat body is tightly attached to the reinforcing plate and fixed with bolts.

[0006] Preferably, the reinforcing plate is a bent part with Q355 material and 6mm thickness, the upper end and the lower end of the reinforcing plate are bent forward and welded with the upper longitudinal beam and the lower longitudinal beam respectively, the upper longitudinal beam is a square tube with 30mm*50mm thickness and 3mm thickness, the lower longitudinal beam is a square tube with 30mm*60mm thickness and 3mm thickness, and the front upright column and the rear upright column are square tubes with 30mm*30mm thickness and 3mm thickness.

[0007] Preferably, side reinforcing plates are welded on both sides of the transverse thrust rod fixing seat body, the back surface of the side reinforcing plate is flush with the transverse thrust rod fixing seat body, the upper end, the lower end and the front end of the side reinforcing plate extend out of the transverse thrust rod fixing seat body, and the top end surface and the bottom end surface of the side reinforcing plate are welded on the upper longitudinal beam and the lower longitudinal beam respectively.

[0008] Compared with the prior art, the utility model has the beneficial effects that the composition parts of the transverse thrust rod fixing seat assembly are improved, only the thrust rod fixing seat body and the side reinforcing plate with the concave shape structure are used, the back surface of the transverse thrust rod fixing seat body is fixed with the local structure of the vehicle frame, the front surface is installed with the transverse thrust rod assembly, the local structure of the vehicle frame is welded with the rectangular frame and the rear axle housing, the overall structure is simplified, the production and manufacturing difficulty and the manufacturing cost are reduced, and the whole vehicle lightweight design target is realized. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is a current whole vehicle end transverse thrust rod fixing seat assembly assembly structure diagram;

[0010] Figure 2 It is a current vehicle frame local structure diagram;

[0011] Figure 3 It is a current whole vehicle end transverse thrust rod fixing seat assembly fixing body structure diagram;

[0012] Figure 4 It is an improved transverse thrust rod fixing seat assembly structure diagram;

[0013] Figure 5 It is an improved vehicle frame local structure diagram;

[0014] Figure 6 It is an improved whole vehicle end transverse thrust rod fixing seat assembly installation diagram. DETAILED DESCRIPTION

[0015] The utility model will be further explained in the following in combination with the drawings of the specification, so that the person skilled in the art can better understand.

[0016] Example 1

[0017] Please refer to Figures 4-6The transverse thrust rod mounting bracket assembly based on the 5.9-meter fully load-bearing bus includes a U-shaped transverse thrust rod mounting bracket body 1. A groove 101 is provided in the center of the transverse thrust rod mounting bracket body 1 to match the frame end ball joint assembly of the transverse thrust rod assembly 3. Mounting holes 102 are provided on both sides of the groove 101 at the two top ends of the front of the transverse thrust rod mounting bracket body 1. Bolts are used to install the transverse thrust rod mounting bracket body 1 onto the frame partial structure 2 through the mounting holes 102. The frame partial structure 2 includes a front column 201, an upper longitudinal beam 202, a rear column 203, and a lower longitudinal beam 204. The front column 201, upper longitudinal beam 202, rear column 203, and lower longitudinal beam 204 are connected end to end to form a closed rectangular frame. A reinforcing plate 205 is welded inside the rectangular frame. The back of the transverse thrust rod mounting bracket body 1 is tightly attached to the reinforcing plate 205 and fixed with bolts.

[0018] The aforementioned reinforcing plate 205 is a bent part made of Q355 material with a thickness of 6mm. The upper and lower ends of the reinforcing plate 205 are bent forward and welded to the upper longitudinal beam 202 and the lower longitudinal beam 204 respectively. The upper longitudinal beam 202 is made of a 30mm*50mm rectangular tube with a thickness of 3mm, and the lower longitudinal beam 204 is made of a 30mm*60mm rectangular tube with a thickness of 3mm. The front pillar 201 and the rear pillar 203 are both made of a 30mm*30mm rectangular tube with a thickness of 3mm. The upper longitudinal beam 202, the front pillar 201, the lower longitudinal beam 204, the rear pillar 203 and the reinforcing plate 205 are welded together by carbon dioxide gas shielded welding according to the design dimensions and relevant requirements to form the partial frame structure 2 for mounting the thrust rod fixing seat assembly. The partial frame structure 2 is a rectangular frame welded to the rear axle housing 3.

[0019] To enhance connection strength and structural stability, side reinforcing plates 103 are welded to both sides of the transverse thrust rod fixing seat body 1. The back of the side reinforcing plates 103 is flush with the transverse thrust rod fixing seat body 1. The upper end, lower end and front end of the side reinforcing plates 103 extend out of the transverse thrust rod fixing seat body 1. The top surface and bottom surface of the side reinforcing plates 103 are welded to the upper longitudinal beam 202 and the lower longitudinal beam 204, respectively.

[0020] The lateral thrust rod assembly 4 includes a lateral thrust rod body 401. The front and rear ends of the lateral thrust rod body 401 are fixedly connected to the axle housing end ball joint assembly 403 and the frame end ball joint assembly 404 respectively through ball joint locking clamp assembly 402. The frame end ball joint assembly 404 extends into the groove 101 of the lateral thrust rod fixing seat body 1 and is installed on the lateral thrust rod fixing seat body 1 through pin 406 and locking bolt nut 407. The axle housing end ball joint assembly 403 is fixedly connected to the thrust rod fixing seat body 5 through cotter pin 405. The thrust rod fixing seat body 5 is a triangular plate with a set thickness. The top end of the lateral thrust rod assembly has a positioning hole for connecting the axle housing end ball joint assembly 403. The bottom end of the thrust rod fixing seat body 5 is a curved surface that matches the front top surface of the rear axle housing 3 and is welded to the front top surface of the rear axle housing 3.

[0021] The lateral thrust rod mounting assembly consists only of a U-shaped lateral thrust rod mounting body 1 and a side reinforcing plate 103, which are welded together using CO2 gas shielded welding to form a small assembly component. The lateral thrust rod mounting body 1 is fixed to the frame partial structure 2 via the back, and the lateral thrust rod assembly 4 is mounted on the front. The frame partial structure 2 is a rectangular frame, which is composed of only 5 parts welded together using CO2 gas shielded welding. The frame partial structure 2 is welded to the rear axle housing 3, which simplifies the overall structure, reduces the difficulty and cost of production and manufacturing, and achieves the goal of lightweight design of the whole vehicle.

[0022] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from its design spirit and principles should fall within the protection scope defined by the claims of the present invention.

Claims

1. A transverse thrust rod fixing bracket assembly based on the end of a 5.9-meter fully load-bearing bus, characterized in that, The transverse thrust rod mounting body (1) includes a U-shaped structure. The transverse thrust rod mounting body (1) has a groove (101) in the center of the frame end ball joint assembly (403) of the transverse thrust rod assembly (4). The two top ends of the front of the transverse thrust rod mounting body (1) have mounting holes (102) on both sides of the groove (101). The transverse thrust rod mounting body (1) is installed on the frame partial structure (2) by bolts through the mounting holes (102). The frame partial structure (2) is welded to the rear axle housing (3).

2. The transverse thrust rod fixing seat assembly based on the end of a 5.9-meter fully load-bearing bus as described in claim 1, characterized in that, The partial structure (2) of the frame includes a front column (201), an upper longitudinal beam (202), a rear column (203) and a lower longitudinal beam (204). The front column (201), the upper longitudinal beam (202), the rear column (203) and the lower longitudinal beam (204) are connected end to end to form a rectangular frame. A reinforcing plate (205) is welded inside the rectangular frame. The back of the transverse thrust rod fixing seat body (1) is tightly attached to the reinforcing plate (205) and fixed by bolts.

3. The transverse thrust rod fixing seat assembly based on the end of a 5.9-meter fully load-bearing bus as described in claim 2, characterized in that, The reinforcing plate (205) is a bent part made of Q355 material with a thickness of 6mm. The upper and lower ends of the reinforcing plate (205) are bent forward and welded to the upper and lower longitudinal beams respectively. The upper longitudinal beam (202) is a 30mm*50mm rectangular tube with a thickness of 3mm, and the lower longitudinal beam is a 30mm*60mm rectangular tube with a thickness of 3mm. The front column (201) and the rear column (203) are both made of 30mm*30mm rectangular tubes with a thickness of 3mm.

4. The transverse thrust rod fixing seat assembly based on the end of a 5.9-meter fully load-bearing bus as described in claim 1, characterized in that, The transverse thrust rod fixing seat body (1) has side reinforcing plates (103) welded on both sides. The back of the side reinforcing plates (103) is flush with the transverse thrust rod fixing seat body (1). The upper end, lower end and front end of the side reinforcing plates (103) extend out of the transverse thrust rod fixing seat body (1). The top surface and bottom surface of the side reinforcing plates (103) are welded to the upper longitudinal beam (202) and the lower longitudinal beam (204) respectively.

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