Front bridge structure of harvester

Abstract

The utility model discloses a harvester front bridge structure which comprises a main front bridge. The gearbox fixing seats are symmetrically arranged on the upper end face and the lower end face of the main front axle and used for fixing a gearbox; the oil cylinder supports are symmetrically arranged at the lower end of the main front bridge and used for fixing a header lifting oil cylinder; the tail end transmission fixing seats are symmetrically arranged at the two ends of the main front bridge and used for fixing the hub reducers; the connecting seats are symmetrically fixed at the upper end of the main front axle and are used for connecting the whole vehicle; according to the front axle structure of the harvester, the bearing capacity of the front axle of the harvester can be improved, the service life of the front axle can be prolonged, meanwhile, spatial arrangement of the front axle of the harvester is facilitated, and therefore the overall performance of the harvester is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery technical field, concretely is a harvester front bridge structure. BACKGROUND

[0002] At present, the harvesting machinery industry in China is increasingly mature, and in the process of harvesting crops such as wheat and corn, mechanical replacement of manual work has been realized.

[0003] The most widely used combine harvester in China at present is a wheeled grain combine harvester. With the continuous improvement of the performance and function of the harvester, the functional components carried by the harvester gradually increase, and the through capacity and carrying capacity of the front drive bridge are required to be higher due to different agricultural techniques (especially crop ridge distance) in different regions. The current harvester front bridge has gradually failed to meet these performance requirements. SUMMARY

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art, provide a harvester front bridge structure, which can improve the carrying capacity of the harvester front bridge, prolong the service life of the front bridge, and is beneficial to the spatial arrangement of the harvester front bridge, and can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a harvester front bridge structure, comprising:

[0006] a main front bridge;

[0007] a gearbox fixing seat, symmetrically arranged at the upper and lower end faces of the main front bridge, used for fixing the gearbox;

[0008] a cylinder support, symmetrically arranged at the lower end of the main front bridge, used for fixing the header lifting cylinder;

[0009] an end transmission fixing seat, symmetrically arranged at the two ends of the main front bridge, used for fixing the wheel edge reducer;

[0010] a connecting seat, symmetrically fixed at the upper end of the main front bridge, used for connecting the whole vehicle;

[0011] a four-wheel drive transfer case fixing seat, fixed at the upper end of one of the connecting seats, used for fixing the four-wheel drive transfer case.

[0012] As a preferred technical scheme of the utility model, the main front bridge adopts an integral forming process, and the mounting surface and mounting hole on the gearbox fixing seat, end transmission fixing seat and four-wheel drive transfer case fixing seat are all welded on the main front bridge after processing.

[0013] As a preferred technical scheme of the utility model, the main front bridge is uniformly provided with a plurality of pipeline and wire harness fixing supports on one side.

[0014] As a preferred technical scheme of the utility model, the connecting seat comprises an upper flat plate, a U-shaped plate, an ear plate and a triangular support, the U-shaped plates are uniformly distributed on the lower surface of the upper flat plate, the ear plate is fixed at the lower end of the U-shaped plate, the ear plate is welded with the main front axle beam, the triangular support is fixed on the lower surface of the upper flat plate, and one end of the triangular support is welded with the main front axle beam.

[0015] As a preferred technical scheme of the utility model, the connecting seat comprises an upper flat plate, a U-shaped plate, an ear plate and a triangular support, the U-shaped plates are uniformly distributed on the lower surface of the upper flat plate, the ear plate is fixed at the lower end of the U-shaped plate, the ear plate is welded with the main front axle beam, the triangular support is fixed on the lower surface of the upper flat plate, and one end of the triangular support is welded with the main front axle beam.

[0016] As a preferred technical scheme of the utility model, the connecting seat comprises an upper flat plate, a U-shaped plate, an ear plate and a triangular support, the U-shaped plates are uniformly distributed on the lower surface of the upper flat plate, the ear plate is fixed at the lower end of the U-shaped plate, the ear plate is welded with the main front axle beam, the triangular support is fixed on the lower surface of the upper flat plate, and one end of the triangular support is welded with the main front axle beam.

[0017] As a preferred technical scheme of the utility model, the connecting seat comprises an upper flat plate, a U-shaped plate, an ear plate and a triangular support, the U-shaped plates are uniformly distributed on the lower surface of the upper flat plate, the ear plate is fixed at the lower end of the U-shaped plate, the ear plate is welded with the main front axle beam, the triangular support is fixed on the lower surface of the upper flat plate, and one end of the triangular support is welded with the main front axle beam.

[0018] Compared with the prior art, the utility model has the advantages that the harvester front axle beam structure is reasonable in design and ingenious in conception, the mounting surface and mounting hole on the transmission box fixing seat, the terminal transmission fixing seat and the four-wheel drive transfer case fixing seat are all welded and then processed through the integral forming process of the main front axle beam, the once processing has strong processability, the safety and efficiency of the power transmission route are improved, the service life of the main axle beam and related parts is improved, and the use in different regions meets the agricultural requirements. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of example 1;

[0020] Figure 2 It is a structural schematic view of the connecting seat;

[0021] Figure 3 It is a structural schematic view of example 2;

[0022] Figure 4 It is a structural schematic view of the lengthening assembly.

[0023] In the drawing: 1 main front axle beam, 2 lengthening assembly, 21 connecting spoke, 22 connecting block, 23 reinforcing plate, 3 transmission box fixing seat, 4 oil cylinder support, 5 terminal transmission fixing seat, 6 pipeline and wire harness fixing support, 7 connecting seat, 71 upper flat plate, 72 U-shaped plate, 73 ear plate, 74 triangular support, 8 four-wheel drive transfer case fixing seat. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments (for the convenience of description and understanding, the following is described from top to bottom). Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application. Figure 1

[0025] Embodiment 1: as Figures 1-2 The present application provides a technical scheme: a harvester front axle beam structure, comprising a main front axle beam 1, a gearbox fixing seat 3, an oil cylinder support 4, a terminal transmission fixing seat 5, a connecting seat 7 and a four-wheel drive transfer case fixing seat 8.

[0026] The gearbox fixing seat 3 is symmetrically arranged at the upper and lower end faces of the main front axle beam 1 and is used for fixing the gearbox, and the gearbox is connected with the wheel edge reducer through a spline shaft or a universal joint transmission shaft;

[0027] The oil cylinder support 4 is symmetrically arranged at the lower end of the main front axle beam 1 and is used for fixing the header lifting oil cylinder;

[0028] The terminal transmission fixing seat 5 is symmetrically arranged at the two ends of the main front axle beam 1 and is used for fixing the wheel edge reducer, the rim and the tire, and meets the agronomic requirements of different harvesting areas;

[0029] The connecting seat 7 is symmetrically fixed at the upper end of the main front axle beam 1 and is used for connecting the whole vehicle;

[0030] The four-wheel drive transfer case fixing seat 8 is fixed at the upper end of one of the connecting seats 7 and is used for fixing the four-wheel drive transfer case, and the four-wheel drive transfer case can transmit power to the gearbox through a transmission shaft.

[0031] In the embodiment, the main front axle beam 1 adopts an integral molding process, the mounting surface and the mounting hole on the gearbox fixing seat 3, the terminal transmission fixing seat 5 and the four-wheel drive transfer case fixing seat 8 are all welded on the main front axle beam 1 after processing, and the once processing has strong processability, effectively improves the safety and efficiency of the power transmission route, and prolongs the service life of the main front axle beam and related components.

[0032] In order to facilitate the spatial arrangement of the harvester front axle, a plurality of pipeline and wire harness fixing supports 6 are uniformly arranged on one side of the main front axle beam 1, which are used for fixing the electrical wire harness and the hydraulic pipeline;

[0033] ​In order to further improve the integrated carrying capacity of the main front axle beam 1, the connecting seat 7 comprises an upper plate 71, a U-shaped plate 72, an ear plate 73 and a triangular support 74, the U-shaped plate 72 is uniformly distributed on the lower surface of the upper plate 71, the ear plate 73 is fixed at the lower end of the U-shaped plate 72, the ear plate 73 is welded with the main front axle beam 1, the triangular support 74 is fixed on the lower surface of the upper plate 71, one end of the triangular support 74 is welded with the main front axle beam 1, through the multiple connections of the ear plate 73 and the triangular support 74 with the main front axle beam 1, the whole machine weight can be shared, and the strength and service life of the main front axle beam 1 can be effectively improved.

[0034] Embodiment 2: as Figures 3-4 The difference from embodiment 1 is that one side of the terminal transmission fixed seat 5 is connected with a lengthening assembly 2, the lengthening assembly 2 is connected with a wheel edge speed reducer and a tire, and is used for lengthening a front wheel track;

[0035] The lengthening assembly 2 comprises a connecting spoke plate 21 and a connecting block 22, the connecting spoke plate 21 is symmetrically fixed at two ends of the connecting block 22, the connecting spoke plate 21 is provided with a positioning hole and a mounting hole matched with the terminal transmission fixed seat 5, one end of the lengthening assembly 2 is connected with the terminal transmission fixed seat 5, and the other end is connected with the wheel edge speed reducer, a rim and a tire, the lengthening assembly 2 lengthens the wheel track, and by replacing a spline shaft or a universal joint transmission shaft between a gearbox and the wheel edge speed reducer, the operation field agronomy requirement can be met.

[0036] In order to improve the connecting strength of the lengthening assembly 2, a reinforcing rib plate 23 is arranged between the connecting spoke plate 21 and the connecting block 22.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A harvester front axle beam structure, characterized by: The utility model relates to a four-wheel drive combine harvester front axle beam structure, including: The main front axle beam (1); The gearbox fixing seat (3) is symmetrically arranged on the upper and lower end surfaces of the main front axle beam (1) and is used for fixing the gearbox; The oil cylinder support (4) is symmetrically arranged on the lower end of the main front axle beam (1) and is used for fixing the header lifting oil cylinder; The terminal transmission fixing seat (5) is symmetrically arranged on both ends of the main front axle beam (1) and is used for fixing the wheel edge reducer; The connecting seat (7) is symmetrically fixed on the upper end of the main front axle beam (1) and is used for connecting the whole vehicle; The four-wheel drive transfer case fixing seat (8) is fixed on the upper end of one of the connecting seats (7) and is used for fixing the four-wheel drive transfer case.

2. A harvester front axle beam structure according to claim 1, characterized in that: The main front axle beam (1) adopts an integrated molding process, and the mounting surface and mounting hole on the gearbox fixing seat (3), the terminal transmission fixing seat (5) and the four-wheel drive transfer case fixing seat (8) are all welded on the main front axle beam (1) after processing.

3. A harvester front axle beam structure as claimed in claim 1, characterized in that: The main front axle beam (1) is uniformly provided with a plurality of pipeline and wire harness fixing supports (6) on one side.

4. A harvester front bridge structure according to claim 1, characterized in that: The connecting seat (7) comprises an upper flat plate (71), a U-shaped plate (72), an ear plate (73) and a triangular support (74), the U-shaped plate (72) is uniformly distributed on the lower surface of the upper flat plate (71), the ear plate (73) is fixed on the lower end of the U-shaped plate (72), the ear plate (73) is welded with the main front axle beam (1), the triangular support (74) is fixed on the lower surface of the upper flat plate (71), and one end of the triangular support (74) is welded with the main front axle beam (1).

5. A harvester front bridge structure as claimed in claim 1, wherein: The terminal transmission fixing seat (5) is connected with an extension assembly (2) on one side, the extension assembly (2) is connected with the wheel edge reducer and the tire, and is used for lengthening the front wheel track.

6. A harvester front bridge structure according to claim 5 wherein: The extension assembly (2) comprises a connecting spoke plate (21) and a connecting block (22), the connecting spoke plate (21) is symmetrically fixed on both ends of the connecting block (22), and the connecting spoke plate (21) is provided with a positioning hole and a mounting hole matched with the terminal transmission fixing seat (5).

7. A harvester front bridge structure according to claim 6 wherein: The connecting spoke plate (21) and the connecting block (22) are provided with a reinforcing rib plate (23) therebetween.

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