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Assembly tooling for fuel tank and operating platform of a heavy truck

A technology for operating platforms and heavy-duty trucks, applied in metal processing, manufacturing tools, metal processing equipment, etc., can solve problems such as platform assembly can not be maintained level, surface damage of parts, affect appearance and quality, etc., to improve assembly efficiency and assembly Quality, damage reduction, and improved assembly consistency effects

Active Publication Date: 2020-05-05
SHAANXI HEAVY DUTY AUTOMOBILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the design of heavy trucks, in order to achieve a compact layout, it is a common arrangement to arrange the operating platform on the fuel tank. The operating platform assembled on the fuel tank should be kept level with the operating platform assembled on the frame, and the fuel tank itself has a circle. Arc, in the process of assembling the fuel tank, there will be imperceptible torsion. When the operation platform is finally assembled, the platform assembly cannot be kept horizontal, resulting in the result of the assembly being far from the expected result of the design.
It often requires multiple adjustments to meet the design requirements, which is not only time-consuming and labor-intensive, but also easily causes damage to the surface of parts, affecting appearance and quality

Method used

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  • Assembly tooling for fuel tank and operating platform of a heavy truck
  • Assembly tooling for fuel tank and operating platform of a heavy truck
  • Assembly tooling for fuel tank and operating platform of a heavy truck

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Such as figure 1 , figure 2 , image 3 , which is an assembly tooling for a fuel tank of a heavy truck and an operating platform disclosed in the present invention, comprising a fixedly connected adjustment mechanism bracket 1-1 and a vernier bracket 1-6, an adjustment mechanism bracket 1-1 and a vernier bracket 1-6;

[0042] The main gear 1-2, 2 secondary gears 1-3, 2 first rack brackets 2-1, 2 second rack brackets 2-2, and 2 secondary gears are connected in rotation on the adjustment mechanism bracket 1-1 1-3 are spaced 180° on the circumference of the main gear 1-2 and meshed with the main gear 1-2, two first rack brackets 2-1 are spaced 180° on the circumference of the main gear 1-2 and one end is connected to the main gear 1 -2 meshing, 2 second rack supports 2-2 one ends mesh with 2 secondary gears 1-3 respectively; The transmission ratio of main gear 1-2 and second rack support 2-2=main gear 1-2 and Transmission ratio of the first rack bracket 2-1; preferably...

Embodiment 2

[0050] Such as figure 2 , the main gear 1-2 adopts segmented special-shaped gears, and the diameter of the addendum circle where the main gear 1-2 meshes with the first rack bracket 2-1 is larger than the teeth where the main gear 1-2 meshes with the auxiliary gear 1-3 The diameter of the top circle is such that the rotation centers of the two first rack brackets 2-1 and the two second rack brackets 2-2 are all on the distribution circle with the rotation center of the main gear 1-2 as the center. The structures and connections of the rest of the components are the same as in Embodiment 1.

[0051] When the present invention is in use:

[0052] Such as Figure 11 , Figure 12 , when assembling, loosen the manual lock nut 1-8-2, and connect the first rack bracket 2-1 and the second rack bracket 2-2 along the connecting pin shaft 1-4- on the adjustment mechanism bracket 1-1 1 to open, adjust to the corresponding position on the connecting plate of the fuel tank 6, and move ...

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Abstract

The invention discloses a fuel tank of a heavy truck and an assembling tool of an operating platform and belongs to the technical field of automobile manufacturing. A comparison scaleplate is providedto the fuel tank and an upper wing surface of a longitudinal beam of a frame without a direct connecting relationship by means of a principle of vernier comparison, so that the height difference of the fuel tank and the upper wing surface of the longitudinal beam of the frame can be seen intuitively in an assembling process, and therefore, horizontal and mounting heights of the fuel tank and theoperating platform mounted on the longitudinal beam of the frame are controlled. The assembling tool is reasonable in structural design, improves the assembling efficiency and the assembling quality of the fuel tank and the operating platform, reduces the probability of secondary adjustment, reduces the labor intensity and reduces the damage to parts in previous various adjusting processes, improves the assembling consistence and stability in a using process and improves the economical benefit.

Description

technical field [0001] The invention belongs to the technical field of automobile manufacturing, and in particular relates to an assembly tool for a fuel tank and an operating platform of a heavy truck. Background technique [0002] In the design of heavy trucks, in order to achieve a compact layout, it is a common arrangement to arrange the operating platform on the fuel tank. The operating platform assembled on the fuel tank should be kept level with the operating platform assembled on the frame, and the fuel tank itself has a circle. Arc, in the process of assembling the fuel tank, there will be imperceptible torsion. When the operation platform is finally assembled, the platform assembly cannot be maintained horizontally, and the assembly result is far from the design expected result. It often requires multiple adjustments to meet the design requirements, which is not only time-consuming and labor-intensive, but also easily causes damage to the surface of the parts, affe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P19/10B25B11/02
CPCB23P19/10B25B11/02
Inventor 陈二军孙辉贡博乔宝华冯武
Owner SHAANXI HEAVY DUTY AUTOMOBILE
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