Harvester for hilly and mountainous areas

Abstract

The utility model relates to the technical field of harvesters, in particular to a harvester for hilly and mountainous areas. A cab and a speed change device are installed on the chassis, the header is connected with the thresher through a conveying system assembly, a residue box is installed at the bottom of the thresher, and a residue processing device is installed between the residue box and the thresher. A hydraulic motor in the HST assembly combination is connected with an HST transmission gap bridge combination, a hydraulic pump in the HST assembly combination is connected with a gearbox assembly, driving shaft assembly combinations are installed on the two sides of the lower portion of the gearbox assembly, and a steering control device and a gear shifting device are installed on the gearbox assembly. The harvester is small in size, light in weight and suitable for mountainous areas, hills and small and irregular zones, and the harvesting performance and efficiency are improved; the gap of the re-threshing device is reduced, grains which are not completely threshed, broken spike heads, impurities, a small amount of short stalks and the like are thoroughly separated, the threshing rate of the grains is improved, the breakage rate is reduced, the framework oil seal is adopted, the sealing performance is good, and water and other impurities are prevented from entering the thrust wheel.

Description

TECHNICAL FIELD

[0001] The utility model relates to a harvester technical field especially a kind of harvester for hilly area. BACKGROUND

[0002] Harvester is the common integrated harvesting crop machinery, harvesting, threshing is completed once, and grain is concentrated to storage bin, then grain is conveyed to transport vehicle by conveyer belt;It can also be harvested manually, and the straw of rice, wheat and other crops is laid in field, then grain harvesting machinery is used to pick up and thresh.

[0003] 1, the existing harvester is usually larger, and due to the addition of control system, the overall weight is larger, and the applicability of large harvester in mountainous area and hilly area is poor, because the land in these areas is small and irregular, and large machinery cannot enter, and the power matching is limited in mountainous area and hilly area, which affects the performance and efficiency of the harvester.

[0004] 2, the rethresher is located at the bottom of the harvester, and the function is to separate the seeds and branches of crops, the gap of the rethresher of the existing harvester is large, and the large gap leads to incomplete separation of grain and branch, incomplete threshing, so that part of the grain still adheres to the branch, which leads to the decrease of separation quality and affects the subsequent cleaning effect, thereby reducing the complete threshing rate.

[0005] At the same time, the rethresher does not work completely, which leads to a large amount of waste and straw circulating back and forth, reduces the operation efficiency, and needs to be cleaned more frequently to prevent blockage and maintain operation efficiency.

[0006] In addition, the large gap leads to a large amount of waste and straw entering the rethresher, causing overload operation, thereby causing the rethresher to be blocked;It also leads to increased grain loss due to incomplete rethresher, especially under wet conditions, the grain loss may be greater.

[0007] 3, the supporting wheel is the core component of the track type walking system, its main function is to support the weight of the harvester, so that the track advances along the wheel, thereby reducing the frictional resistance when the equipment walks, the sealing device of the existing supporting wheel is combined oil seal, which not only has high cost, but also has large volume, and is not suitable for hilly area harvester.

[0008] 4, the speed changing device in the existing harvester is too large, the structure is complex, the cost is high, and the volume is large, which cannot be used for hilly area harvester. UTILITY MODEL CONTENT

[0009] The technical problem to be solved by the utility model is to solve the problems in the prior art in the above background, and to provide a harvester for hilly area.

[0010] The utility model solves technical scheme that it adopts for its technical problem: a hill and mountain area is with harvester, including chassis, cutting platform and thresher, the chassis install driver's cabin and speed change device, cutting platform and thresher are connected through conveying system assembly between, the bottom of thresher is installed with the surplus box, and the surplus box is installed with the surplus processing device between thresher,

[0011] The speed change device includes HST assembly combination, gearbox assembly and driving shaft assembly combination, the hydraulic motor in the HST assembly combination is connected with HST transmission bridge combination, the hydraulic pump in the HST assembly combination is connected with the gearbox assembly, driving shaft assembly combination is installed on both sides below the gearbox assembly, and steering control device and gear shifting device are installed on the gearbox assembly.

[0012] Further, the gearbox assembly includes a gearbox housing, the gearbox housing is installed with an I shaft assembly combination and a steering clutch shaft assembly combination, the output end of the HST assembly combination is engaged with the I shaft assembly combination, the steering clutch shaft assembly combination is provided with an intermediate shaft assembly combination above, and the steering clutch shaft assembly combination is provided with a IV shaft assembly combination below, the steering clutch shaft assembly combination is engaged with the IV shaft assembly combination and the intermediate shaft assembly combination respectively, the supporting wheel assembly is engaged with the IV shaft assembly combination, and the I shaft assembly combination is located above the intermediate shaft assembly combination and engaged with the intermediate shaft assembly combination.

[0013] Further, the steering control device includes a steering control plate and steering yoke combinations distributed on the left and right sides, the steering yoke combinations are installed on the steering clutch shaft assembly combination, the steering control plate is installed on both ends of the intermediate shaft assembly combination, and the steering yoke combinations are connected with the steering control plate.

[0014] Further, the I shaft assembly combination is installed with a gear shifting device.

[0015] Further, the chassis includes a track, a frame and a supporting wheel assembly, a plurality of supporting wheel assemblies are installed on the frame, the supporting wheel assemblies are arranged along the length direction of the track, the supporting wheel assembly includes a supporting wheel shaft, the supporting wheel shaft is installed with the supporting wheel assembly at both ends, each supporting wheel assembly includes a supporting wheel and a bearing cover, the supporting wheel is sleeved at both ends of the supporting wheel shaft, the shaft body between the supporting wheel and the supporting wheel shaft is sequentially sleeved with a bearing and a skeleton oil seal from outside to inside, the shaft body of the supporting wheel shaft between the two bearings is sleeved with a spacer.

[0016] Further, the shaft body of the supporting wheel shaft is provided with a key groove, the key groove is installed with a key, both ends of the supporting wheel shaft are provided with screw holes, the screw holes are screwed with bolts, and flat washers and first spring washers are inserted between the end faces of the bolts and the supporting wheel shaft.

[0017] Further, the bearing cover is installed on the supporting wheel and is installed between the supporting wheel and the bearing cover through a locking bolt, and a second spring washer is arranged between the locking bolt and the bearing cover.

[0018] Further, the waste treatment device comprises a waste treatment shell, one side of the waste treatment shell is provided with a waste lifting auger combination, the other side of the waste treatment shell is provided with a waste horizontal conveying auger combination, the waste lifting auger combination and the waste horizontal conveying auger combination are vertically arranged, and the waste lifting auger combination and the waste horizontal conveying auger combination are connected through a gear box combination.

[0019] The conveying auger shaft of the waste horizontal conveying auger combination in the waste treatment shell is provided with a toothed plate, and a plurality of fixed teeth are arranged on the inner circumferential wall of the waste treatment shell.

[0020] Further, the gap between the toothed plate and the fixed tooth is 5-10mm, the toothed plate is installed on the conveying auger shaft of the waste horizontal conveying auger combination through a connecting plate, the number of the toothed plates is 2, and the toothed plates are symmetrically arranged, and a plurality of rectangular teeth are arranged at the working end edge of the toothed plate.

[0021] Further, the waste treatment shell is provided with a conveying assembly, the conveying assembly comprises a conveying shell, a large gear and a small gear are arranged in the conveying shell, the large gear and the small gear are connected through a conveying chain, the large gear is installed on the first bevel gear in the gear box combination, and the small gear is installed on the conveying auger shaft of the waste horizontal conveying auger combination.

[0022] The utility model discloses the beneficial effect that:

[0023] 1, small, light weight, suitable for mountainous area, hilly and small and irregular land, improve the performance and efficiency of harvesting,

[0024] 2, reduce the gap of the complex stripper, make the not completely separated grain, broken ear, waste and a small amount of short stem etc., improve the complete separation rate of grain and reduce the broken rate, improve the separation quality, reduce the risk of blockage and grain loss, thereby improve the overall operation effect of the harvester,

[0025] 3, adopt the skeleton oil seal, and the sealing performance is good, prevents water and other impurities from entering the supporting wheel, and the cost is low, and the volume is small, and is suitable for hilly and mountainous area harvester,

[0026] 4, the speed change device is simple in structure, light in weight, low in cost, compact in space, and suitable for hilly and mountainous area. BRIEF DESCRIPTION OF DRAWINGS

[0027] The utility model is further illustrated below in connection with the drawings and examples.

[0028] Figure 1 is a perspective view of the utility model;

[0029] Figure 2 is the utility model Figure 1 structure diagram of another direction;

[0030] Figure 3 is the structure diagram of the gear box assembly and drive shaft assembly of the utility model;

[0031] Figure 4 is the utility model Figure 3 structure diagram of another direction;

[0032] Figure 5 is the structure diagram of the gear box assembly and drive shaft assembly of the utility model after removing the gear box body;

[0033] Figure 6 is the utility model Figure 5 structure diagram of another direction;

[0034] Figure 7 is the structure diagram of the utility model supporting wheel assembly;

[0035] Figure 8 is the utility model Figure 7 structure diagram of A-A direction;

[0036] Figure 9 is the structure diagram of the utility model supporting wheel assembly;

[0037] Figure 10 is the structure diagram of the utility model waste treatment device;

[0038] Figure 11 is the structure diagram of the utility model removing the conveying shell in the conveying assembly;

[0039] Figure 12 is the utility model waste treatment device explosion view;

[0040] Figure 13 is the structure diagram of the utility model removing the waste treatment shell and the gear box shell;

[0041] Figure 14 is the structure diagram of the utility model waste treatment shell;

[0042] In the drawing: 100. Chassis, 200. Cutting table, 300. Grain cleaner, 400. Cab, 500. Gear device, 600. Conveying system assembly, 700. Waste treatment device,

[0043] 1. Bolt, 2. First spring washer, 3. Flat washer, 4. Bearing cap, 5. Idler, 6. Bushing, 7. Bearing, 8. Skeleton oil seal, 9. Idler axle, 10. Key, 11. Combination bushing, 12. Lock bolt, 13. Second spring washer, 15. Tapped hole,

[0044] 16. HST assembly combination,

[0045] 17. Gearbox assembly, 71. I shaft assembly combination, 72. Intermediate shaft assembly combination, 73. Steering clutch shaft assembly combination, 74. Steering yoke combination, 75. Steering control, 76. Gearbox housing, 77. Steering control plate, 78. IV shaft assembly combination, 79. Shifting device,

[0046] 18. Drive shaft assembly combination,

[0047] 21. Conveyor chain, 22. Residue handling housing, 23. Residue elevator auger combination, 24. Gearbox combination, 25. Residue horizontal conveying auger combination, 26. Conveyor assembly, 27. Conveyor housing, 28. Large gear, 29. Small gear, 210. First bevel gear, 211. Conveying auger shaft, 212. Adjustment hole, 213. Tension gear, 214. Second bevel gear, 215. Elevator auger shaft, 216. Toothed plate, 217. Fixed tooth, 218. Connecting plate. DETAILED DESCRIPTION

[0048] The utility model will be explained in further detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically show the basic structure of the utility model, so they only show the structure related to the utility model.

[0049] As Figures 1-14 shown in a kind of hilly area harvester, including chassis 100, header 200 and thresher 300, the chassis 100 is installed with cab 400 and transmission device 500, header 200 is connected between thresher 300 by conveying system assembly 600, the bottom of thresher 300 is installed with residue tank, residue tank is installed with residue handling device 700 between thresher 300;

[0050] As Figures 3-6As shown in the figure, the transmission device 500 includes an HST assembly combination 16, a gearbox assembly 17, and a drive shaft assembly combination 18. The hydraulic motor in the HST assembly combination 16 is combined with the HST transmission bridge, the hydraulic pump in the HST assembly combination 16 is connected with the gearbox assembly 17, the gearbox assembly 17 is installed with the drive shaft assembly combination 18 on both sides below, and the steering control device 75 and the gear shifting device 79 are installed on the gearbox assembly 17.

[0051] As shown in the figure, Figures 5-6 The gearbox assembly 17 includes a gearbox box 76, in which the I shaft assembly combination 71 and the steering clutch shaft assembly combination 73 are installed. The output end of the HST assembly combination 16 is engaged with the I shaft assembly combination 71, the steering clutch shaft assembly combination 73 is provided with the intermediate shaft assembly combination 72 above and the IV shaft assembly combination 78 below, the steering clutch shaft assembly combination 73 is engaged with the IV shaft assembly combination 78 and the intermediate shaft assembly combination 72 respectively, the load wheel assembly is engaged with the IV shaft assembly combination 78, and the I shaft assembly combination 71 is located above the intermediate shaft assembly combination 72 and engaged with the intermediate shaft assembly combination 72.

[0052] The steering control device 75 includes the steering control plate 77 and the steering yoke combination 74 distributed on both sides. The steering yoke combination 74 is installed on the steering clutch shaft assembly combination 73, and the steering control plate 77 is installed on both ends of the intermediate shaft assembly combination 72. The steering yoke combination 74 is connected with the steering control plate 77.

[0053] As shown in the figure, Figure 6 The I shaft assembly combination 71 is installed with the gear shifting device 79 to control the harvester to shift gears and change the transmission ratio of the vehicle, so that the engine can work in the relatively high efficient speed range at different vehicle speeds.

[0054] Specifically, the gear on the output shaft of the hydraulic pump in the HST assembly combination 16 is engaged with the I shaft assembly combination 71, and the gear shifting device 79 controls the I shaft assembly combination 71 to shift gears.

[0055] Then, the I shaft assembly combination 71 is engaged with the intermediate shaft assembly combination 72, the intermediate shaft assembly combination 72 is engaged with the steering clutch shaft assembly combination 73, and the left and right steering yoke combinations 74 are installed on the steering clutch shaft assembly combination 73. The steering of the drive wheel 12 is controlled through the left and right steering yoke combinations 74, and the steering clutch shaft assembly combination 73 is engaged with the IV shaft assembly combination 78.

[0056] Finally, the IV shaft assembly combination 78 is engaged with the drive gears in the two drive shaft assembly combinations 1 respectively, so as to drive the drive wheel to rotate.

[0057] AsFigures 7-9 As shown, the chassis 100 includes a track, a frame, and a group of support wheels, the frame is mounted with a plurality of support wheel assemblies, the support wheel assemblies are arranged along the length direction of the track, the support wheel assembly includes a support wheel shaft 9, both ends of the support wheel shaft 9 are mounted with a support wheel assembly, each support wheel assembly includes a support wheel 5 and a bearing cover 4, the support wheel 5 is sleeved on both ends of the support wheel shaft 9, the shaft body between the support wheel 5 and the support wheel shaft 9 is sequentially sleeved with a bearing 7 and a skeleton oil seal 8 from outside to inside, the shaft body between the support wheel shaft 9 and the support wheel 5 is sleeved with a combined spacer sleeve 11, the shaft body of the support wheel shaft 9 between the two bearings 7 is sleeved with a spacer sleeve 6, the number of bearings 7 is 2, the shaft body of the support wheel shaft 9 between the two bearings 7 is sleeved with a spacer sleeve 6, to adjust the play and pre-press of the bearing, which helps to improve the stability and service life of the equipment.

[0058] Among them, the number of skeleton oil seals 8 is 2, the volume of the skeleton oil seal is relatively small, and the skeleton oil seal is suitable for agricultural machinery including small track harvester due to its good sealing performance and wear resistance. Effectively prevent lubricating oil leakage, protect mechanical parts from the invasion of dirt and dust, thereby prolonging the service life of the equipment, and generally suitable for extreme working conditions such as high speed, high temperature and high pressure, the reliability and durability of the skeleton oil seal is the key to ensure the normal operation of the equipment.

[0059] The shaft body of the support wheel shaft 9 is provided with a key groove, a key 10 is installed in the key groove, both ends of the support wheel shaft 9 are provided with a screw hole 15, a bolt 1 is screwed in the screw hole 15, and a flat washer 3 and a first spring washer 2 are inserted between the bolt 1 and the end face of the support wheel shaft 9.

[0060] Among them, the first spring washer 2 is an annular sealing element with a certain elasticity, which can deform when subjected to pressure or extrusion, thereby providing elastic support and sealing effect. After the bolt 1 is tightened, a force is applied to the bolt 1, increasing the friction between the bolt 1 and the screw hole, preventing the loosening of the bolt caused by the vibration of the running equipment.

[0061] The support wheel 5 is installed with a bearing cover 4 matched therewith, the support wheel 5 and the bearing cover 4 are installed through a locking bolt 12, and the locking bolt 12 and the bearing cover 4 are provided with a second spring washer 13.

[0062] As shown in the figure, Figures 11-14 As shown, the residue treatment device 700 includes a residue treatment housing 22, one side of the residue treatment housing 22 is mounted with a residue lifting auger combination 23, the other side of the residue treatment housing 22 is mounted with a residue horizontal conveying auger combination 25, the space between the residue lifting auger combination 23 and the residue horizontal conveying auger combination 25 is vertically arranged, and the residue lifting auger combination 23 and the residue horizontal conveying auger combination 25 are connected through a gear box combination 24;

[0063] The toothed plate 216 is installed on the conveying auger shaft 211 of the horizontal residue conveying auger combination 25 in the residue treatment shell 22, and a plurality of fixed teeth 217 are installed on the inner circumferential wall of the residue treatment shell 22, and the toothed plate 216 and the fixed teeth 217 have a gap therebetween.

[0064] The gap between the toothed plate 216 and the fixed teeth 217 is 5-10 mm, and a smaller gap facilitates complete separation of the grains and the branches, improves the threshing rate of the grains, and improves the separation quality; the vertical cross-sectional shape of the fixed teeth 217 is in the shape of a “N” character, and the opening of the fixed teeth 217 faces the toothed plate 216, further improving the complete separation of the unthreshed grains, broken heads, residues, and a small amount of short stems, etc.

[0065] The toothed plate 216 is installed on the conveying auger shaft 211 of the horizontal residue conveying auger combination 25 through a connecting plate 218, the number of the toothed plates 216 is 2, and the toothed plates 216 are symmetrically arranged, and a plurality of rectangular teeth are arranged at the edge of the working end of the toothed plate 216.

[0066] The residue treatment shell 22 is provided with a conveying assembly 26, and the conveying assembly 26 comprises a conveying shell 27, a large gear 28, and a small gear 29 are installed in the conveying shell 27, the large gear 28 and the small gear 29 are connected through a conveying chain 21, the large gear 28 is installed on the first bevel gear 210 in the gear box combination 24, and the small gear 29 is installed on the conveying auger shaft 211 of the horizontal residue conveying auger combination 25.

[0067] In addition, an adjusting hole 212 is formed in the shell of the conveying shell 27, and a tension gear 213 is installed in the adjusting hole 212, which is used to maintain the proper tension of the chain to ensure the high efficiency of the transmission system, and to ensure the continuity and effectiveness of the transmission.

[0068] The gear box combination 24 comprises a gear box shell, a first bevel gear 210, and a second bevel gear 214, the first bevel gear 210 and the second bevel gear 214 are installed in the gear box shell, the first bevel gear 210 is installed on the conveying shell 27 in the conveying assembly, the second bevel gear 214 is installed on the lifting auger shaft 215 of the residue lifting auger combination 23, and the first bevel gear 210 and the second bevel gear 214 are engaged.

[0069] Specifically, the grain to be re-threshed is fed by the conveying unit, enters the residue treatment shell 22 through the residue lifting auger combination 23, is re-threshed by the toothed plate 216 and the fixed teeth 217, and then is sent out through the horizontal residue conveying auger combination 25.

[0070] With the above ideal embodiment of the present application as the inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content of the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A harvester for use in hilly and mountainous areas, characterized in that: The device includes a chassis (100), a header (200), and a thresher (300). The chassis (100) is equipped with a driver's cab (400) and a transmission device (500). The header (200) and the thresher (300) are connected by a conveying system assembly (600). A waste bin is installed at the bottom of the thresher (300), and a waste treatment device (700) is installed between the waste bin and the thresher (300). The transmission device (500) includes an HST assembly (16), a gearbox assembly (17), and a drive shaft assembly (18). In the HST assembly (16), the hydraulic motor is connected to the HST transmission bridge assembly, and the hydraulic pump is connected to the gearbox assembly (17). Drive shaft assemblies (18) are installed on both sides of the lower part of the gearbox assembly (17). A steering control device (75) and a shifting device (79) are installed on the gearbox assembly (17).

2. A harvester for hilly and mountainous areas according to claim 1, characterized in that: The gearbox assembly (17) includes a gearbox housing (76), in which a first-shaft assembly (71) and a steering clutch shaft assembly (73) are installed. The output end of the HST assembly (16) engages with the first-shaft assembly (71). An intermediate shaft assembly (72) is provided above the steering clutch shaft assembly (73), and an fourth-shaft assembly (78) is provided below the steering clutch shaft assembly (73). The steering clutch shaft assembly (73) engages with the fourth-shaft assembly (78) and the intermediate shaft assembly (72) respectively. The drive shaft assembly (18) engages with the fourth-shaft assembly (78). The first-shaft assembly (71) is located above the intermediate shaft assembly (72) and engages with the intermediate shaft assembly (72).

3. A harvester for hilly and mountainous areas according to claim 2, characterized in that: The steering control device (75) includes a steering control plate (77) and steering fork assemblies (74) distributed on the left and right sides. The steering clutch shaft assembly (73) is equipped with the steering fork assembly (74). The steering control plate (77) is installed at both ends of the intermediate shaft assembly (72). The steering fork assembly (74) is connected to the steering control plate (77).

4. A harvester for hilly and mountainous areas according to claim 2, characterized in that: The I-axis assembly (71) is equipped with a shifting device (79).

5. A harvester for hilly and mountainous areas according to claim 1, characterized in that: The chassis (100) includes tracks, a frame, and track roller assemblies. Several track roller assemblies are installed on the frame. The track roller assemblies are arranged along the length of the tracks. Each track roller assembly includes a track roller axle (9). Track roller assemblies are installed at both ends of the track roller axle (9). Each track roller assembly includes a track roller (5) and a bearing cap (4). The track roller (5) is sleeved on both ends of the track roller axle (9). The shaft between the track roller (5) and the track roller axle (9) is fitted with a bearing (7) and a skeleton oil seal (8) from the outside to the inside. A combined spacer (11) is fitted on the shaft between the track roller axle (9) and the track roller (5). A spacer (6) is fitted on the shaft of the track roller axle (9) between the two bearings (7).

6. A harvester for hilly and mountainous areas according to claim 5, characterized in that: The support roller shaft (9) has a keyway on its shaft body, and a key (10) is installed in the keyway. Both ends of the support roller shaft (9) have screw holes (15), and bolts (1) are screwed into the screw holes (15). A flat washer (3) and a first spring washer (2) are inserted between the bolt (1) and the end face of the support roller shaft (9).

7. A harvester for hilly and mountainous areas according to claim 5, characterized in that: The support roller (5) is equipped with a bearing cover (4) that cooperates with it. The support roller (5) and the bearing cover (4) are connected by a locking bolt (12). A second spring washer (13) is provided between the locking bolt (12) and the bearing cover (4).

8. A harvester for hilly and mountainous areas according to claim 1, characterized in that: The waste processing device (700) includes a waste processing housing (22), a waste lifting auger assembly (23) is installed on one side of the waste processing housing (22), and a waste horizontal conveying auger assembly (25) is installed on the other side of the waste processing housing (22). The waste lifting auger assembly (23) and the waste horizontal conveying auger assembly (25) are arranged vertically between each other, and the waste lifting auger assembly (23) and the waste horizontal conveying auger assembly (25) are connected by a gearbox assembly (24). A toothed plate (216) is installed on the conveying auger shaft (211) of the waste horizontal conveying auger assembly (25) inside the waste processing housing (22), and a number of fixed teeth (217) are installed on the inner circumferential wall of the waste processing housing (22), with a gap between the toothed plate (216) and the fixed teeth (217).

9. A harvester for hilly and mountainous areas according to claim 8, characterized in that: The gap between the toothed plate (216) and the fixed tooth (217) is 5-10mm. The toothed plate (216) is installed on the conveying auger shaft (211) of the waste horizontal conveying auger assembly (25) through the connecting plate (218). There are two toothed plates (216) and they are arranged symmetrically. Multiple rectangular teeth are provided at the working edge of the toothed plate (216).

10. A harvester for hilly and mountainous areas according to claim 8, characterized in that: The waste processing housing (22) is equipped with a conveying assembly (26), which includes a conveying housing (27). A large gear (28) and a small gear (29) are installed inside the conveying housing (27). The large gear (28) and the small gear (29) are connected by a conveying chain (21). The large gear (28) is installed on the first bevel gear (210) in the gearbox assembly (24), and the small gear (29) is installed on the conveying auger shaft (211) of the waste horizontal conveying auger assembly (25).

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