Chassis structure of truck

Abstract

The invention discloses a chassis structure of a truck. The chassis structure comprises a seat frame device assembly; the front suspension shock absorber spring assembly is arranged on one side of the seat frame device assembly; the hand braking mechanism assembly is arranged above the front suspension shock absorber spring assembly; the steering system assembly is arranged on the other side of the hand braking mechanism assembly; the spring steel plate lifting lug assembly is arranged at the lower end of one side of the seat frame device assembly; the rear spring steel plate assembly is arranged at one end of the spring steel plate lifting lug assembly; the rear axle assembly is arranged below the seat frame device assembly; the tire and rim assemblies are arranged at the two ends of the rear axle assembly; the rear shock absorber assembly is arranged among the rear axle assembly, the tire and the rim assembly; the J-shaped bolt assembly is arranged on one side of the tire and rim assembly; compact and integrated layout is achieved, the height of a carriage chassis is reduced, the cargo carrying space of the carriage is increased, cargo loading and unloading are convenient, manpower is saved, and the cargo carrying rate of the carriage is increased.

Description

Technical Field

[0001] The invention relates to the technical field of truck chassis, in particular to a truck chassis structure. Background Art

[0002] With the development of society and the improvement of infrastructure, the demand for express delivery, green transport and other freight markets is increasing, and the proportion of medium and long-distance standard-load transport vehicles in the freight market is increasing. Trucks, generally called trucks or trucks, include dump trucks, tractor trucks, off-road trucks for off-road and roadless areas, and various vehicles manufactured for special needs. It refers to a car mainly used to transport goods, and sometimes also refers to a car that can tow other vehicles, belonging to the category of commercial vehicles.

[0003] However, the chassis of existing trucks cannot achieve compact and integrated layout, which makes it inconvenient to move goods up and down when loading, reducing the convenience of loading goods. Therefore, we propose a truck chassis structure to solve the above-mentioned problems. Summary of the invention

[0004] The object of the present invention is to provide a truck chassis structure to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A truck chassis structure, comprising:

[0007] Seat frame assembly;

[0008] A front suspension shock absorber spring assembly, which is arranged on one side of the seat frame assembly;

[0009] A hand brake mechanism assembly, which is arranged above the front suspension shock absorber spring assembly;

[0010] A steering system assembly, which is arranged on the other side of the hand brake mechanism assembly;

[0011] A spring steel plate lifting lug assembly, which is arranged at the lower end of one side of the seat frame assembly;

[0012] a rear spring steel plate assembly, which is disposed at one end of the spring steel plate lifting ear assembly;

[0013] A rear axle assembly, which is arranged below the seat frame assembly;

[0014] A tire and rim assembly, which is arranged at both ends of the rear axle assembly;

[0015] A rear shock absorber assembly, which is arranged between the rear axle assembly, the tire and the rim assembly;

[0016] The J-bolt assembly is arranged on one side of the tire and rim assembly.

[0017] As a further solution of the present invention: the front suspension shock absorber spring assembly includes a left front suspension shock absorber spring assembly and a right front suspension shock absorber spring assembly.

[0018] As a further solution of the present invention: a front beam assembly is arranged below the front suspension shock absorber spring assembly.

[0019] As a further solution of the present invention: the front beam assembly includes a steering intermediate rocker arm assembly, a front cantilever assembly, a front cantilever diagonal tie rod assembly, a left steering knuckle, a right steering knuckle, a steering tie rod assembly, a steering straight tie rod assembly, and a brake system assembly.

[0020] As a further solution of the present invention: the tightening torque of the tire nut in the tire and rim assembly is 40-70 N·m.

[0021] As a further solution of the present invention: the air pressure of the tire in the tire and rim assembly is 200kpa, and the toe-in length is 1.5-3mm.

[0022] As a further solution of the present invention: the tightening torque of the tie rod ball nut in the tie rod assembly is 35-55 N·m.

[0023] As a further solution of the present invention: the tightening torque of the tie rod joint nut in the tie rod assembly is 55-80 N·m.

[0024] As a further solution of the present invention: the center of the rear axle assembly shaft tube is located below the center of the tire and rim assembly.

[0025] As a further solution of the present invention: the seat frame device is an assembly of a frame structure, which is formed by connecting side beams, a middle beam and a cross beam.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] The truck chassis structure is composed of a steering system assembly, a hand brake mechanism assembly, a front suspension shock absorber spring assembly, a seat frame assembly, a spring steel plate hanging ear assembly, a rear spring steel plate assembly, a rear axle assembly, a tire and rim assembly, a rear shock absorber assembly, a J-bolt assembly, and a front beam assembly, thereby achieving a compact and integrated layout, reducing the height of the truck chassis, increasing the cargo space of the truck, making loading and unloading of goods convenient, saving manpower, having a compact structure, reducing weight, increasing the cargo loading rate of the cargo compartment, and improving the space utilization rate of the entire vehicle, and having a reasonable structure of the entire vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1It is a structural schematic diagram of the chassis structure of a truck according to the present invention.

[0029] Figure 2 It is a schematic diagram of the top view of the chassis structure of the truck of the present invention.

[0030] Among them: 1. Steering system assembly; 2. Hand brake mechanism assembly; 3. Front suspension shock absorber spring assembly; 4. Seat frame assembly; 5. Spring steel plate hanging ear assembly; 6. Rear spring steel plate assembly; 7. Rear axle assembly; 8. Tire and rim assembly; 9. Rear shock absorber assembly; 10. J-bolt assembly; 11. Front beam assembly. DETAILED DESCRIPTION

[0031] In one embodiment, Figure 1-Figure 2 As shown, a truck chassis structure comprises:

[0032] Seat frame assembly 4;

[0033] A front suspension shock absorber spring assembly 3, which is arranged on one side of the seat frame assembly 4;

[0034] A hand brake mechanism assembly 2, which is arranged above a front suspension shock absorber spring assembly 3;

[0035] A steering system assembly 1, which is arranged on the other side of the hand brake mechanism assembly 2;

[0036] A spring steel plate lifting lug assembly 5, which is arranged at the lower end of one side of the seat frame assembly 4;

[0037] A rear spring steel plate assembly 6, which is arranged at one end of the spring steel plate lifting ear assembly 5;

[0038] A rear axle assembly 7, which is arranged below the seat frame assembly 4;

[0039] A tire and rim assembly 8, which is arranged at both ends of the rear axle assembly 7;

[0040] A rear shock absorber assembly 9, which is arranged between the rear axle assembly 7 and the tire and rim assembly 8;

[0041] A J-bolt assembly 10, which is disposed on one side of the tire and rim assembly 8;

[0042] The front suspension shock absorber spring assembly 3 includes a left front suspension shock absorber spring assembly and a right front suspension shock absorber spring assembly; a front beam assembly 11 is arranged below the front suspension shock absorber spring assembly 3; the front beam assembly 11 includes a steering intermediate rocker arm assembly, a front cantilever assembly, a front cantilever diagonal tie rod assembly, a left steering knuckle, a right steering knuckle, a steering tie rod assembly, a steering straight tie rod assembly, and a brake system assembly; the tightening torque of the tire nut in the tire and rim assembly 8 is 40-70N·m; the air pressure of the tire in the tire and rim assembly 8 is 200kpa, and the length of the toe adjustment is 1.5-3mm; the tightening torque of the steering tie rod ball head nut in the steering tie rod assembly is 35-55N·m; the tightening torque of the steering tie rod joint nut in the steering tie rod assembly is 55-80N·m, Steering wheel locking nut 25-40N.m; the center of the axle tube of the rear axle assembly 7 is located below the center of the tire and rim assembly 8; the seat frame assembly 4 is a frame structure, which is connected by side beams, middle beams and cross beams; by arranging the chassis structure composed of the steering system assembly 1, the hand brake mechanism assembly 2, the front suspension shock absorber spring assembly 3, the seat frame assembly 4, the spring steel plate hanging ear assembly 5, the rear spring steel plate assembly 6, the rear axle assembly 7, the tire and rim assembly 8, the rear shock absorber assembly 9, the J-bolt assembly 10 and the front beam assembly 11, the layout is compact and integrated, the height of the truck chassis is reduced, the cargo space of the truck is increased, the loading and unloading of goods is convenient, manpower is saved, the structure is compact, the weight is reduced, the cargo loading rate of the cargo compartment is increased, and the space utilization rate of the whole vehicle is improved, and the structure of the whole vehicle is reasonable.

[0043] The above embodiment discloses a chassis structure of a truck, which is composed of a steering system assembly 1, a hand brake mechanism assembly 2, a front suspension shock absorber spring assembly 3, a seat assembly 4, a spring steel plate ear assembly 5, a rear spring steel plate assembly 6, a rear axle assembly 7, a tire and rim assembly 8, a rear shock absorber assembly 9, a J-bolt assembly 10, and a front beam assembly 11. The chassis structure realizes a compact and integrated layout, reduces the height of the truck chassis, increases the cargo space of the truck, facilitates loading and unloading of goods, saves manpower, has a compact structure, reduces weight, increases the cargo loading rate of the cargo compartment, and improves the space utilization of the whole vehicle. The whole vehicle has a reasonable structure.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A truck chassis structure, characterized in that: include: Seat frame assembly (4); A front suspension shock absorber spring assembly (3) disposed on one side of the seat frame assembly (4); A hand brake mechanism assembly (2) disposed above a front suspension shock absorber spring assembly (3); A steering system assembly (1) disposed on the other side of the hand brake mechanism assembly (2); A spring steel plate lifting lug assembly (5) disposed at the lower end of one side of the seat frame assembly (4); A rear spring steel plate assembly (6) is arranged at one end of the spring steel plate hanging ear assembly (5); A rear axle assembly (7) disposed below the seat frame assembly (4); A tire and rim assembly (8) arranged at both ends of the rear axle assembly (7); A rear shock absorber assembly (9) is arranged between the rear axle assembly (7) and the tire and rim assembly (8); A J-bolt assembly (10) is arranged on one side of the tire and rim assembly (8).

2. A truck chassis structure according to claim 1, characterized in that: The front suspension shock absorber spring assembly (3) comprises a left front suspension shock absorber spring assembly and a right front suspension shock absorber spring assembly.

3. The truck chassis structure according to claim 1, characterized in that: A front beam assembly (11) is arranged below the front suspension shock absorber spring assembly (3).

4. The truck chassis structure according to claim 3, characterized in that: The front beam assembly (11) comprises a steering intermediate rocker arm assembly, a front cantilever assembly, a front cantilever diagonal tie rod assembly, a left steering knuckle, a right steering knuckle, a steering tie rod assembly, a steering straight tie rod assembly, and a brake system assembly.

5. The truck chassis structure according to claim 1, characterized in that: The tightening torque of the tire nut in the tire and rim assembly (8) is 40-70 N·m.

6. The truck chassis structure according to claim 1, characterized in that: The air pressure of the tire in the tire and rim assembly (8) is 200 kPa, and the toe-in length is 1.5-3 mm.

7. The truck chassis structure according to claim 4, characterized in that: The tightening torque of the tie rod ball nut in the tie rod assembly is 35-55 N·m.

8. The truck chassis structure according to claim 4, characterized in that: The tightening torque of the tie rod joint nut in the tie rod assembly is 55-80 N·m.

9. The truck chassis structure according to claim 1, characterized in that: The center of the axle tube of the rear axle assembly (7) is located below the center of the tire and rim assembly (8).

10. The truck chassis structure according to claim 1, characterized in that: The seat frame assembly (4) is a frame structure, which is composed of side beams, a middle beam and a cross beam.

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