Double-longitudinal-beam rear axle structure of crawler harvester chassis

Abstract

The double-longitudinal-beam rear axle structure comprises a cross beam, vertical beams and longitudinal beams, each vertical beam comprises a straight section and an inclined section, one end of each straight section is connected with one end of each inclined section, the two sides of the cross beam are respectively connected with one vertical beam, the upper end faces of the straight sections of the vertical beams are connected with the bottom face of the cross beam, and the longitudinal beams are arranged on the vertical beams. The longitudinal beams are arranged on the two sides of the cross beam respectively, the lower end faces of the longitudinal beams are connected with the upper end faces of the straight sections of the vertical beams, the side end faces of the longitudinal beams are connected with the side end faces of the cross beam, and the cross beam is perpendicular to the longitudinal beams and the vertical beams.

Description

TECHNICAL FIELD

[0001] The utility model relates to a caterpillar harvester chassis double longitudinal beam rear axle structure. BACKGROUND

[0002] With the progress of society and the development of technology, more and more modern agricultural machinery is put into agricultural production operation, and the automation degree of agricultural production is higher and higher, and the caterpillar harvester has become one of the most common agricultural harvesting machines. The walking and support of the caterpillar harvester depend on the chassis, and the structure of the chassis determines the overall performance of the vehicle.

[0003] The working environment of the caterpillar harvester is usually full of stones, hard soil blocks, weeds and silt, which requires the chassis to have good passing performance, and the whole machine load is large, which tests the carrying capacity and structural stability of the chassis. The rear axle plays a very important role in the caterpillar harvester chassis, which bears most of the weight of the whole machine and distributes the weight to the walking beam. It can be said that the structural stability of the rear axle determines the carrying capacity and stability of the whole chassis. A simple, stable and reliable rear axle can fully exert the overall performance of the chassis. SUMMARY

[0004] The utility model aims at solving above prior art's insufficient, provide a caterpillar harvester chassis double longitudinal beam rear axle structure.

[0005] A caterpillar harvester chassis double longitudinal beam rear axle structure, including crossbeam, vertical beam, longitudinal beam, the vertical beam includes straight section and inclined section, one end of straight section with the end of inclined section is linked, the both sides of crossbeam are connected with a vertical beam respectively, and the upper end surface of vertical beam straight section is connected with the bottom surface of crossbeam, the both sides of crossbeam are equipped with a longitudinal beam respectively, the lower end surface of longitudinal beam is connected with the upper end surface of vertical beam straight section, and the side end surface of longitudinal beam is connected with the side end surface of crossbeam, and crossbeam is perpendicular to longitudinal beam and vertical beam.

[0006] Further, the connecting place of the straight section and the inclined section of the vertical beam is provided with a first reinforcing rib.

[0007] Further, a second reinforcing rib is arranged between the vertical beam and the longitudinal beam.

[0008] Further, the number of the second reinforcing rib between the vertical beam and the longitudinal beam is two, the two second reinforcing ribs are located on the two sides of the vertical beam respectively, the upper end surface of the second reinforcing rib is connected with the lower end surface of the longitudinal beam, and the side end surface of the second reinforcing rib is connected with the side end surface of the vertical beam.

[0009] Further, the second reinforcing rib is a triangular structure.

[0010] Further, the third reinforcing rib is arranged between the longitudinal beam and the vertical beam, and is located between the side end face of the longitudinal beam and the upper end face of the vertical beam.

[0011] Beneficial effects: compared with the prior art, the utility model has the following advantages:

[0012] The two-side longitudinal beam structure strengthens the support of the upper structure, reduces the stress of the cantilever, strengthens the strength of the structure itself, the rear axle forms a cross stable structure in three directions, the rear axle is strengthened as a whole, and is more solid and reliable; the structure is simple, easy to realize, and convenient for grafting to other similar structure chassis. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the schematic diagram of the chassis overall structure;

[0014] Figure 2 is the schematic diagram of the rear axle;

[0015] Figure 3 is the schematic diagram of the rear axle from another angle;

[0016] Figure 4 is the schematic diagram of the vertical beam. DETAILED DESCRIPTION

[0017] In order to deepen the understanding of the utility model, the utility model will be further described in combination with examples and drawings below, and the examples are only used to explain the utility model, and do not constitute the limitation of the protection scope of the utility model.

[0018] As shown in Figures 1-3 Fig. 1, the upper platform 1, the support beam 2, the front axle 3, the walking beam 4, the rear axle 5, the longitudinal beam 6, the cross beam 7, the vertical beam 8, the second reinforcing rib 9, the first reinforcing rib 10, the third reinforcing rib 11, the straight section 12 and the inclined section 13.

[0019] A double-longitudinal-beam rear axle structure of a crawler harvester chassis comprises a cross beam 7, a vertical beam 8 and a longitudinal beam 6.

[0020] It should be noted that the rear axle 5 is arranged in the chassis structure, the chassis structure comprises the upper platform 1, the front axle 3, the rear axle 5, the support beam 2 and the running beam 4, the front axle 3 and the rear axle 5 are arranged below the support beam 2, the upper platform 1 is arranged above the support beam 2, and the running beam 4 is connected between the front axle 3 and the rear axle 5.

[0021] In the embodiment, the first reinforcing rib 10 is arranged at the joint between the straight section and the inclined section of the vertical beam 8.

[0022] In the embodiment, the second reinforcing rib 9 is arranged between the vertical beam 8 and the longitudinal beam 6.

[0023] In the embodiment, the number of the second reinforcing rib 9 between the vertical beam 8 and the longitudinal beam 6 is two, the two second reinforcing ribs 9 are arranged on the two sides of the vertical beam 8, the upper end surface of the second reinforcing rib 9 is connected with the lower end surface of the longitudinal beam 6, and the side end surface of the second reinforcing rib 9 is connected with the side end surface of the vertical beam 8.

[0024] In the embodiment, the second reinforcing rib 9 is in triangular structure.

[0025] In the embodiment, the third reinforcing rib 11 is further arranged between the longitudinal beam 6 and the vertical beam 8, and the third reinforcing rib 11 is arranged between the side end surface of the longitudinal beam 6 and the upper end surface of the vertical beam 8.

[0026] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A track harvester chassis dual longitudinal beam rear axle structure, characterized by, The utility model relates to a kind of vertical beam, horizontal beam and longitudinal beam, the vertical beam includes straight section and inclined section, the one end of the straight section is connected with the one end of inclined section, the two sides of the horizontal beam are connected with a vertical beam respectively, the upper end surface of vertical beam straight section is connected with the bottom surface of horizontal beam, the two sides of the horizontal beam are respectively equipped with a longitudinal beam, the lower end surface of longitudinal beam is connected with the upper end surface of vertical beam straight section, the side end surface of longitudinal beam is connected with the side end surface of horizontal beam, and horizontal beam is perpendicular to longitudinal beam and vertical beam.

2. The double-rail rear axle structure of a track harvester chassis according to claim 1, characterized in that, The junction of the straight section and the inclined section of the vertical beam is provided with a first reinforcing rib.

3. The double rail rear axle structure for a track harvester chassis according to claim 1, characterized in that, The second reinforcing rib is provided between the vertical beam and the longitudinal beam.

4. The double rail rear axle structure for a track harvester chassis according to claim 3, characterized in that, The number of the second reinforcing rib between the vertical beam and the longitudinal beam is two, and the two second reinforcing ribs are respectively located on the two sides of the vertical beam.

5. A double-rail rear axle structure for a track harvester chassis according to claim 4, characterized in that The second reinforcing rib is triangular in structure.

6. A double rail rear axle structure for a track harvester chassis according to claim 4, characterized in that, The third reinforcing rib is further provided between the longitudinal beam and the vertical beam.

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