Through pipe front drive axle of grain combine harvester

Abstract

The utility model relates to the technical field of harvesters, in particular to a grain combine harvester through pipe front drive axle which is characterized in that a gearbox support is arranged in the middle of one side of a pipe beam in a downward inclining mode, connecting assemblies are arranged at the two ends of the pipe beam, and oil cylinder seats are symmetrically arranged on one side of the pipe beam and arranged in a downward inclining mode; the gearbox support comprises two connecting side plates, and a connecting plate is fixedly arranged between the two connecting side plates. The connecting assembly comprises a transition disc, a stabilizing plate and a first fixing plate, the transition disc is fixedly arranged at the end of the tubular beam, the stabilizing plate is fixedly arranged at the bottom of the tubular beam, the first fixing plate is arranged at the top of the tubular beam, and a second fixing plate is fixedly arranged on the stabilizing plate. The front drive axle is convenient to install and maintain, the overall strength is improved, the phenomenon that the front drive axle is cracked or fractured can be effectively avoided, and the operation safety of the grain combine harvester is improved; meanwhile, the lifting angle of the hydraulic oil cylinder connected with the oil cylinder seat can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of harvesters, in particular to a through-pipe front drive axle of a grain combine harvester. Background Art

[0002] Combine harvesters are mainly used for combined harvesting of wheat crops. They can complete cutting, threshing, separation and cleaning in the field at one time. When used for segmented harvesting, a grain picker is installed on the harvesting table to pick up the grain strips after drying and complete threshing, separation and cleaning. When additional devices are added to the grain combine harvester, or after appropriate modification and adjustment, it can harvest rice, corn, soybeans, millet and sorghum and other cereal crops.

[0003] The more functional attachments a grain combine harvester carries, the more functional components the harvester frame must carry, and the front drive axle constituting the harvester frame needs to be connected to the relevant functional components. Figure 1 As shown, the existing harvester front drive axle adopts a three-section structure welded, including a middle tube beam and end tube beams at both ends of the middle tube beam, a gearbox bracket is installed on the middle tube beam, a cylinder seat and a connecting assembly for connecting other functional components are installed on the end tube beams, the existing front drive axle has a complex structure, is difficult to install and maintain, and the lifting angle of the hydraulic cylinder connected to the cylinder seat is too large; at the same time, due to the misaligned installation of the middle tube beam of the existing front drive axle and the end tube beams at its ends, the overall strength of the front drive axle is reduced, the working environment of the grain combine harvester for harvesting grain is complex, and there will be bumps, which will cause impact on the front drive axle, causing the front drive axle to crack or break, affecting the operating safety of the grain combine harvester. Summary of the invention

[0004] The utility model aims to solve the problems of difficult installation and maintenance and low overall strength of the front drive axle of the harvester in the prior art, and provides a through-tube front drive axle for a grain combine harvester. The through-tube front drive axle is easy to install and maintain, has increased overall strength, can effectively avoid cracking or breaking of the front drive axle, and improves the operating safety of the grain combine harvester; at the same time, it can reduce the lifting angle of the hydraulic cylinder connected to the cylinder seat.

[0005] In order to achieve the above purpose, the technical solution of the utility model is: a through-tube front drive axle of a grain combine harvester, comprising a pipe beam, a gearbox bracket is arranged in a downwardly inclined middle portion of one side of the pipe beam, connecting components are arranged at both ends of the pipe beam, and a cylinder seat is symmetrically arranged on one side of the pipe beam, and the cylinder seat is arranged in a downwardly inclined manner. The gearbox bracket is used to install the gearbox, the cylinder seat is used to connect the hydraulic cylinder connected to the harvester conveying trough, and the connecting component is used to connect the side reducer and the thresher frame.

[0006] The gearbox bracket includes two connecting side plates, and a connecting plate is fixedly arranged between the two connecting side plates. The connecting plate plays a role in installing the gearbox.

[0007] The connection assembly includes a transition plate, a stabilizing plate and a fixing plate 1, wherein the transition plate is fixedly arranged at the end of the pipe beam, the stabilizing plate is fixedly arranged at the bottom of the pipe beam, the fixing plate 1 is arranged at the top of the pipe beam, and the fixing plate 2 is fixedly arranged on the stabilizing plate. The fixing plate 1 and the fixing plate 2 play the role of connecting the thresher frame, and the transition plate plays the role of connecting the side reducer.

[0008] Furthermore, the angle between the cylinder seat and the horizontal plane is an acute angle, and the cylinder seat includes a reinforced base plate and two cylinder seat plates, one end of the cylinder seat plate is fixedly connected to the pipe beam, and the two cylinder seat plates are fixedly arranged on the top of the reinforced base plate, and the reinforced base plate is fixedly connected to the pipe beam; a partition plate is fixedly arranged between the two cylinder seat plates, and its function is to reduce the lifting angle of the hydraulic cylinder connected to the cylinder seat.

[0009] Furthermore, a reinforcing plate is fixedly arranged between the two connecting side plates, and the two ends of the reinforcing plate are respectively fixedly connected to the pipe beam and the connecting plate. The reinforcing plate plays a role in stabilizing and reinforcing the connecting side plates and the connecting plate, thereby improving the strength of the gearbox bracket.

[0010] Furthermore, one end of the stabilizing plate extends upward and is fixedly connected to the first fixing plate, and the other end of the stabilizing plate extends in a direction away from the pipe beam, so as to facilitate the installation of the second fixing plate.

[0011] Furthermore, there are two stabilizing plates, a supporting partition is fixedly arranged between the two stabilizing plates, and the supporting partition is fixedly connected to the pipe beam, so as to stabilize and strengthen the connection between the stabilizing plate and the pipe beam.

[0012] Furthermore, the second fixing plate is fixedly arranged on the top of the two stabilizing plates, a structural plate is vertically arranged at the bottom of one end of the first fixing plate, and the upper and lower ends of the structural plate are respectively fixedly connected to the first fixing plate and the second fixing plate. The structural plate plays a role in stabilizing and strengthening the first fixing plate and the second fixing plate, thereby improving the strength of the first fixing plate and the second fixing plate connected to the thresher frame.

[0013] Furthermore, a reinforcing rib 1 is provided on the inner side of the transition plate, and the reinforcing rib 1 is fixedly connected to the tube beam and the stabilizing plate; a reinforcing rib 2 and a reinforcing rib 3 are also provided on the inner side of the transition plate, and the reinforcing rib 2 and the reinforcing rib 3 are both fixedly connected to the tube beam and the stabilizing plate, and the reinforcing rib 1, the reinforcing rib 2 and the reinforcing rib 3 play a role in stabilizing and strengthening the transition plate.

[0014] Furthermore, the tube beam is also provided with a plurality of wire clips at intervals, and the wire clips serve to fix the wire harness.

[0015] Through the above technical solution, the beneficial effects of the utility model are:

[0016] The utility model discloses a front drive axle is simple in structure, is easy to install and maintain, replaces the existing front drive axle tube beam three-section welded structure, improves the overall strength of the front drive axle, can effectively avoid the front drive axle from cracking or breaking, and improves the operating safety of the grain combine harvester; at the same time, reduces the lifting angle of the hydraulic cylinder connected to the cylinder seat and the harvester conveying trough.

[0017] The utility model adopts a mode of arranging a gearbox bracket, a cylinder seat and a connecting assembly on a pipe beam, thereby effectively improving the strength of the front drive axle; wherein the gearbox bracket plays a role in installing the gearbox, the cylinder seat plays a role in connecting the hydraulic cylinder, and the connecting assembly plays a role in connecting the side reducer and the shedding machine frame; the connecting side plates and the connecting plates are firmly reinforced by reinforcing plates, the cylinder seat plates are firmly reinforced by reinforcing bottom plates and partitions, the fixing plates one and two are firmly reinforced by stabilizing plates and supporting partitions, and the transition plates are firmly reinforced by reinforcing ribs one, two and three, thereby further improving the strength of the front drive axle.

[0018] The utility model achieves the effect of reducing the lifting angle of the hydraulic oil cylinder connected with the oil cylinder seat and the harvester conveying trough by symmetrically and obliquely installing two oil cylinder seats on the pipe beam, thereby effectively prolonging the service life of the harvester header. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the front drive axle of a harvester in the prior art;

[0020] Figure 2 This is a schematic diagram of the structure of a through-pipe front drive axle of a grain combine harvester of the utility model. Figure 1 ;

[0021] Figure 3 This is a schematic diagram of the structure of a through-pipe front drive axle of a grain combine harvester of the utility model. Figure 2 ;

[0022] Figure 4 This is a schematic diagram of the structure of a through-pipe front drive axle of a grain combine harvester of the utility model. Figure 3 ;

[0023] Figure 5 This is a schematic diagram of the structure of a through-pipe front drive axle of a grain combine harvester of the utility model. Figure 4 ;

[0024] Figure 6 It is a structural schematic diagram of the utility model in use state.

[0025] The numbers in the accompanying drawings are: 1 is a pipe beam, 2 is a line clip, 3 is a gearbox bracket, 301 is a connecting side plate, 302 is a connecting plate, 303 is a reinforcing plate, 4 is a cylinder seat plate, 5 is a reinforcing bottom plate, 6 is a partition plate, 7 is a transition plate, 8 is a reinforcing rib one, 9 is a reinforcing rib two, 10 is a stabilizing plate, 11 is a supporting partition plate, 12 is a fixing plate one, 13 is a structural plate, 14 is a fixing plate two, and 15 is a reinforcing rib three. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0027] like Figure 2 to Figure 6 As shown, a through-tube front drive axle of a grain combine harvester comprises a pipe beam 1, a gearbox bracket 3 is arranged at a downward tilt in the middle of one side of the pipe beam 1, connecting components are arranged at both ends of the pipe beam 1, and a cylinder seat is symmetrically arranged on one side of the pipe beam 1, and the cylinder seat is arranged at a downward tilt. In this embodiment, the cylinder seat and the gearbox bracket 3 are located on the same side, wherein the gearbox is installed in the gearbox bracket 3, the hydraulic cylinder is hinged to the cylinder seat, and two connecting components are symmetrically installed on the pipe beam 1, and the connecting components play the role of connecting the side reducer and the thresher frame.

[0028] The gearbox bracket 3 includes two connecting side plates 301, and a connecting plate 302 is fixedly arranged between the two connecting side plates 301. In this embodiment, the connecting side plates 301 are arranged to be tilted downward, and the connecting side plates 301 are welded and fixed on the pipe beam 1. The upper end of the connecting side plates 301 is provided with an arc groove matching the pipe beam 1, so that the connecting side plates 301 can be fixedly installed on the pipe beam 1; wherein the two ends of the connecting plate 302 are welded and fixed to the two connecting side plates 301, and when the gearbox is installed, the gearbox bolts are fixed to the inner side of the connecting plate 302.

[0029] The connection assembly includes a transition plate 7, a stabilizing plate 10 and a fixing plate 12. The transition plate 7 is fixedly arranged at the end of the tube beam 1, the stabilizing plate 10 is fixedly arranged at the bottom of the tube beam 1, the fixing plate 12 is arranged at the top of the tube beam 1, and a fixing plate 2 14 is fixedly arranged on the stabilizing plate 10. In this embodiment, the transition plate 7 is welded and fixed to the end of the tube beam 1, and the transition plate 7 plays the role of connecting the side reducer; the stabilizing plate 10 is welded and fixed to the tube beam 1, and plays the role of stabilizing and strengthening the fixing plate 12 and the fixing plate 2 14. The fixing plate 2 14 is welded and fixed to the stabilizing plate 10, and the fixing plate 12 and the fixing plate 2 14 play the role of connecting the thresher frame, and the fixing plate 12 and the fixing plate 2 14 are bolted to the thresher frame.

[0030] The angle between the oil cylinder seat and the horizontal plane is an acute angle. The oil cylinder seat includes a reinforcing bottom plate 5 and two oil cylinder seat plates 4. One end of the oil cylinder seat plate 4 is fixedly connected to the pipe beam 1. The two oil cylinder seat plates 4 are fixedly arranged on the top of the reinforcing bottom plate 5. The reinforcing bottom plate 5 is fixedly connected to the pipe beam 1. A partition plate 6 is fixedly arranged between the two oil cylinder seat plates 4. In this embodiment, an arc groove matching the pipe beam 1 is opened at the upper end of the oil cylinder seat plate 4 so that the oil cylinder seat plate 4 can be fixed on the pipe beam 1. The oil cylinder seat plate 4 is welded and fixed to the pipe beam 1. A through hole is opened at the lower end of the oil cylinder seat plate 4 so that the oil cylinder seat is hinged to the hydraulic cylinder through a pin shaft. The reinforcing bottom plate 5 is welded and fixed to the oil cylinder seat plate 4 and the pipe beam 1. There are two partition plates 6. The partition plates 6 are welded and fixed to the two oil cylinder seat plates 4. The reinforcing bottom plate 5 and the partition plates 6 play a role in stabilizing and reinforcing the two oil cylinder seat plates 4.

[0031] A reinforcing plate 303 is also fixedly arranged between the two connecting side plates 301, and the two ends of the reinforcing plate 303 are respectively fixedly connected to the pipe beam 1 and the connecting plate 302. In this embodiment, the reinforcing plate 303 is welded and fixed to the pipe beam 1, the connecting plate 302 and the two connecting side plates 301, which plays a role in stabilizing and reinforcing the connecting side plates 301 and the connecting plates 302.

[0032] One end of the stabilizing plate 10 extends upward and is fixedly connected to the fixing plate 12, and the other end of the stabilizing plate 10 extends in a direction away from the pipe beam 1. In this embodiment, the upper end of the stabilizing plate 10 is an arc-shaped structure and is welded and fixed to the pipe beam 1 and the fixing plate 12.

[0033] There are two stabilizing plates 10, and a supporting partition 11 is fixedly arranged between the two stabilizing plates 10, and the supporting partition 11 is fixedly connected to the tube beam 1. In this embodiment, the supporting partition 11 is welded and fixed to the tube beam 1 and the two stabilizing plates 10, which plays a role in stabilizing and strengthening the connection between the stabilizing plate 10 and the tube beam 1.

[0034] The second fixing plate 14 is fixedly arranged on the top of the two stabilizing plates 10, and a structural plate 13 is vertically arranged at the bottom of one end of the first fixing plate 12, and the upper and lower ends of the structural plate 13 are respectively fixedly connected to the first fixing plate 12 and the second fixing plate 14. In this embodiment, the height of the second fixing plate 14 is lower than that of the first fixing plate 12, the structural plate 13 is welded and fixed to the first fixing plate 12, the second fixing plate 14, the pipe beam 1 and the third reinforcing rib 15, and the second fixing plate 14 is welded and fixed to the structural plate 13 and the pipe beam 1.

[0035] The inner side of the transition plate 7 is provided with a reinforcing rib 1 8, and the reinforcing rib 1 8 is fixedly connected to the tube beam 1 and the stabilizing plate 10; the inner side of the transition plate 7 is also provided with a reinforcing rib 2 9 and a reinforcing rib 3 15, and the reinforcing rib 2 9 and the reinforcing rib 3 15 are both fixedly connected to the tube beam 1 and the stabilizing plate 10. In this embodiment, the number of reinforcing ribs 1 8 inside the transition plate 7 is two, and the two reinforcing ribs 1 8 are fixed to the transition plate 7 in an "eight" shape, and the reinforcing ribs 1 8, the reinforcing ribs 2 9 and the reinforcing ribs 3 15 are respectively welded and fixed to the transition plate 7, the tube beam 1 and the stabilizing plate 10.

[0036] The pipe beam 1 is also provided with a plurality of wire clips 2 at intervals. In this embodiment, the number of the wire clips 2 is three, and the wire clips 2 are welded and fixed on the pipe beam 1, and the wire clips 2 play the role of fixing the wire bundle.

[0037] When the utility model is used, the gearbox is bolted to the inner side of the connecting plate 302, so that the gearbox is located on the inner side of the gearbox bracket 3, and the hydraulic cylinder connected to the harvester conveying trough is hinged to the cylinder seat through the pin shaft; the fixing plate 12 and the fixing plate 2 14 are bolted to the thresher frame to achieve the effect of installing the front drive axle on the thresher frame; and the side reducer is bolted to the outer side of the transition plate 7. The utility model has a simple structure and is easy to install and maintain, increases the overall strength of the front drive axle, and reduces the lifting angle of the hydraulic cylinder connected to the cylinder seat and the harvester conveying trough.

[0038] The embodiments described above are only preferred embodiments of the utility model and do not limit the scope of implementation of the utility model. Therefore, all equivalent changes or modifications made according to the technical solutions described in the patent scope of the utility model should be included in the scope of the patent application of the utility model.

Claims

1. A through-pipe front drive axle for a grain combine harvester, characterized in that: It comprises a tube beam (1), a gearbox support (3) is arranged in a downwardly inclined manner in the middle of one side of the tube beam (1), connecting components are arranged at both ends of the tube beam (1), and a cylinder seat is symmetrically arranged on one side of the tube beam (1), and the cylinder seat is arranged in a downwardly inclined manner; The gearbox bracket (3) comprises two connecting side plates (301), and a connecting plate (302) is fixedly arranged between the two connecting side plates (301); The connection assembly comprises a transition plate (7), a stabilizing plate (10) and a fixing plate 1 (12); the transition plate (7) is fixedly arranged at the end of the tube beam (1); the stabilizing plate (10) is fixedly arranged at the bottom of the tube beam (1); the fixing plate 1 (12) is arranged at the top of the tube beam (1); and a fixing plate 2 (14) is fixedly arranged on the stabilizing plate (10).

2. A through-pipe front drive axle for a grain combine harvester according to claim 1, characterized in that: The angle between the oil cylinder seat and the horizontal plane is an acute angle. The oil cylinder seat comprises a reinforced bottom plate (5) and two oil cylinder seat plates (4). One end of the oil cylinder seat plate (4) is fixedly connected to the pipe beam (1). The two oil cylinder seat plates (4) are fixedly arranged on the top of the reinforced bottom plate (5). The reinforced bottom plate (5) is fixedly connected to the pipe beam (1). A partition plate (6) is fixedly arranged between the two oil cylinder seat plates (4).

3. The through-pipe front drive axle of a grain combine harvester according to claim 1, characterized in that: A reinforcing plate (303) is also fixedly arranged between the two connecting side plates (301), and two ends of the reinforcing plate (303) are respectively fixedly connected to the tubular beam (1) and the connecting plate (302).

4. The through-pipe front drive axle for a grain combine harvester according to claim 1, characterized in that: One end of the stabilizing plate (10) extends upward and is fixedly connected to the fixing plate 1 (12), and the other end of the stabilizing plate (10) extends in a direction away from the pipe beam (1).

5. A through-pipe front drive axle for a grain combine harvester according to claim 4, characterized in that: The number of the stabilizing plates (10) is two, a supporting partition plate (11) is fixedly arranged between the two stabilizing plates (10), and the supporting partition plate (11) is fixedly connected to the tubular beam (1).

6. A through-pipe front drive axle for a grain combine harvester according to claim 5, characterized in that: The second fixing plate (14) is fixedly arranged on the top of the two stabilizing plates (10), and a structural plate (13) is vertically arranged at the bottom of one end of the first fixing plate (12), and the upper and lower ends of the structural plate (13) are respectively fixedly connected to the first fixing plate (12) and the second fixing plate (14).

7. The through-pipe front drive axle for a grain combine harvester according to claim 1, characterized in that: A reinforcing rib (8) is provided on the inner side of the transition plate (7), and the reinforcing rib (8) is fixedly connected to the tube beam (1) and the stabilizing plate (10); a reinforcing rib (9) and a reinforcing rib (15) are also provided on the inner side of the transition plate (7), and the reinforcing rib (9) and the reinforcing rib (15) are both fixedly connected to the tube beam (1) and the stabilizing plate (10).

8. The through-pipe front drive axle for a grain combine harvester according to claim 1, characterized in that: The tube beam (1) is also provided with a plurality of line clips (2) arranged at intervals.

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