Gear transmission device of crawler-type harvester with large feeding quantity

Abstract

The utility model discloses a large-feed crawler-type harvester gear transmission device which comprises a protective shell, a plurality of U-shaped grooves are formed in the protective shell, U-shaped shells are arranged in the U-shaped grooves, arc-shaped grooves are formed in the two sides of each U-shaped shell, and the arc-shaped grooves and the U-shaped grooves are combined to form through holes for a rotating shaft to pass through. A cavity for sealing the gear is formed in the protective shell and the U-shaped shells, pressing plates for pressing the U-shaped shells on the protective shell are arranged outside the U-shaped shells, fixing bases are installed at the positions, close to the ends of the pressing plates, of the outer ring face of the protective shell, connecting grooves are formed in the fixing bases, the two ends of each pressing plate protrude to form connecting parts, and the connecting parts are arranged in the connecting grooves in a sliding mode. A fixing assembly communicating with the protection shell is arranged in the middle of the pressing plate. The gear is simple in structure, the protection shell and the U-shaped shell can be directly arranged outside an existing gear in a sleeving mode, and external dust and impurities can be further blocked through the protection shell and the U-shaped shell.

Description

Technical Field

[0001] This utility model relates to the field of harvester technology, specifically to a gear transmission device for a large-feed crawler harvester. Background Technology

[0002] High-capacity tracked harvesters are a type of efficient agricultural machinery widely used in modern agricultural production, especially in scenarios requiring rapid and large-scale crop harvesting.

[0003] Currently, the working environment of combine harvesters is extremely harsh. Due to the dust flying everywhere, dust can easily enter the gap between the output shaft of the gear transmission box and the bearing end cover, causing the gears to come into contact with dust and impurities, which can easily damage the gears and greatly shorten the service life of the gear transmission box. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a gear transmission device for a tracked harvester with a large feed capacity, by installing a protective shell inside the gearbox to further protect the gears, thereby solving the problems mentioned in the background art.

[0005] This utility model is achieved through the following technical solution: a gear transmission device for a large-feed crawler harvester, including a protective shell, the protective shell having multiple U-shaped grooves, each U-shaped shell having a U-shaped shell inside the U-shaped groove, and arc-shaped grooves on both sides of the U-shaped shell, the arc-shaped grooves and U-shaped grooves being combined to form a through hole for the rotating shaft to pass through, the interior of the protective shell and the U-shaped shell forming a chamber for sealing the gear, the exterior of the multiple U-shaped shells having a pressure plate for pressing the U-shaped shells onto the protective shell, a fixing seat being installed at the end of the outer ring surface of the protective shell near the pressure plate, the fixing seat having a connecting groove, both ends of the pressure plate protruding to form a connecting part, the connecting part being slidably disposed in the connecting groove, and a fixing component communicating with the protective shell being provided in the middle of the pressure plate.

[0006] As a preferred technical solution, the protective shell is provided with positioning grooves on both sides of the U-shaped groove, and limiting plates are installed on both sides of the U-shaped shell. The inner side of the limiting plate is fitted to the outer side of the protective shell, and the inner side of the limiting plate protrudes to form a positioning part at the positioning groove. The positioning part is slidably disposed in the positioning groove.

[0007] As a preferred technical solution, the fixing component includes a fixing post, a positioning post, and a bolt. The fixing post is installed in the middle of the protective shell. The fixing post has a slot, and the inner wall of the slot has a first screw hole. The middle of the pressure plate is provided with a positioning port opposite the slot. One end of the positioning post passes through the positioning port and is inserted into the slot. The other end of the positioning post expands outward to form a limiting part. The limiting part is larger than the positioning port and abuts against the outer wall of the pressure plate. The limiting part has a second screw hole that penetrates the limiting part and the positioning post vertically. The bolt is threaded into the first screw hole and the second screw hole.

[0008] As a preferred technical solution, the protective shell is equipped with connecting seats at both ends, and the connecting seats are provided with multiple fixing holes.

[0009] As a preferred technical solution, the protective shell and the U-shaped shell are made of stainless steel.

[0010] The beneficial effects of this utility model are: the structure of this utility model is simple, the protective shell and the U-shaped shell can be directly fitted on the outside of the existing gear. The protective shell and the U-shaped shell can further block external dust and impurities, avoid wear or damage caused by impurities contacting the gear, increase the service life of the gear transmission, and are convenient to install and disassemble. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the structure of this utility model after the pressure plate is removed;

[0014] Figure 3 This is a schematic diagram of the structure of the present invention after further removing any U-shaped shell;

[0015] Figure 4 This is a schematic diagram of the structure of the pressure plate and U-shaped shell of this utility model.

[0016] Among them, 1. Protective shell; 2. U-shaped groove; 3. U-shaped shell; 4. Through hole; 5. Positioning groove; 6. Positioning part; 7. Limiting plate; 8. Fixing post; 9. Pressure plate; 10. Limiting part; 11. Bolt; 12. Fixing seat; 13. Connecting part; 14. Connecting seat; 15. Connecting groove. Detailed Implementation

[0017] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0018] All features disclosed in this specification, or all steps in all disclosed methods or processes, may be combined in any way, except for mutually exclusive features and / or steps.

[0019] Any feature disclosed in this specification (including any appended claims, abstract, and drawings) may be replaced by other equivalent or similar features, unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is merely one example of a series of equivalent or similar features.

[0020] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this utility model discloses a gear transmission device for a large-feed crawler harvester, including a protective shell 1. The protective shell 1 has multiple U-shaped grooves 2, and each U-shaped groove 2 has a U-shaped shell 3 inside. Both sides of the U-shaped shell 3 have arc-shaped grooves. The arc-shaped grooves and U-shaped grooves 2 are combined to form a through hole 4 for the shaft to pass through. The interior of the protective shell 1 and the U-shaped shell 3 forms a chamber for sealing the gear. The exterior of the multiple U-shaped shells 3 is provided with a pressure plate 9 that presses the U-shaped shells 3 onto the protective shell 1. A fixing seat 12 is installed on the outer ring surface of the protective shell 1 near the end of the pressure plate 9. Each fixing seat 12 has a connecting groove 15. Both ends of the pressure plate 9 protrude to form a connecting part 13. The connecting part 13 is slidably disposed in the connecting groove 15. A fixing component communicating with the protective shell 1 is provided in the middle of the pressure plate 9.

[0021] In this embodiment, the protective shell 1 is provided with positioning grooves 5 on both sides of the U-shaped groove 2, and limiting plates 7 are installed on both sides of the U-shaped shell 3. The inner side of the limiting plate 7 is fitted to the outer side of the protective shell 1, and the inner side of the limiting plate 7 protrudes to form a positioning part 6 opposite to the positioning groove 5. The positioning part 6 is slidably disposed in the positioning groove 5. The U-shaped shell can be longitudinally positioned by the limiting plate, the positioning part and the positioning groove, so as to avoid the U-shaped shell tilting inward or outward and affecting the overall flatness.

[0022] In this embodiment, the fixing component includes a fixing post 8, a positioning post, and a bolt 11. The fixing post 8 is installed in the middle of the protective shell 1. The fixing post 8 is provided with a slot, and the inner wall of the slot is provided with a first screw hole. The middle of the pressure plate 9 is provided with a positioning port opposite the slot. One end of the positioning post passes through the positioning port and is inserted into the slot. The other end of the positioning post expands outward to form a limiting part 10. The limiting part 10 is larger than the positioning port and abuts against the outer wall of the pressure plate 9. The limiting part 10 is provided with a second screw hole that penetrates the limiting part 10 and the positioning post. The bolt 11 is threaded into the first screw hole and the second screw hole. The pressure plate can be quickly fixed to the protective shell by the bolt and can also be quickly disassembled. After the pressure plate is removed, the U-shaped shell can be quickly disassembled along the positioning groove.

[0023] In this embodiment, the protective shell 1 is equipped with connecting seats 14 at both ends. The connecting seats 14 are provided with multiple fixing holes. After the screw passes through the fixing holes on the connecting seats, the protective shell can be fixed in the gearbox.

[0024] In this embodiment, the protective shell 1 and the U-shaped shell 3 are made of stainless steel, which avoids rusting and increases service life.

[0025] During installation, the gearbox can be opened and the U-shaped shell removed, allowing the protective shell to be fitted over the outside of the gear shaft through the U-shaped groove. The protective shell can also be fitted over the outside of two adjacent gears. After fitting, the U-shaped shell is inserted into the U-shaped groove, and the positioning part on the U-shaped shell can be inserted into the positioning groove, thereby positioning both sides of the U-shaped shell and preventing it from bending inward or outward, which would affect the overall stability of the installation.

[0026] After the above is completed, the pressure plate is pushed longitudinally between the fixed seats. The connecting parts at both ends of the pressure plate can be inserted into the connecting groove. After the positioning port is aligned with the slot, the positioning pin can be inserted into the slot, and the bolt thread is connected to the second screw hole and the first screw hole, thereby positioning the pressure plate and the U-shaped shell, preventing the U-shaped shell from moving outward. The gear can be covered by the U-shaped shell and the protective shell, preventing external dust and impurities from entering the interior and affecting the gear transmission. Lubricating oil can be added inside the protective shell to ensure the smooth rotation of the gear.

[0027] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions conceived without inventive effort should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope defined in the claims.

Claims

1. A gear transmission device for a large-feed-capacity tracked harvester, characterized in that: The protective shell (1) includes a protective shell (1) with multiple U-shaped grooves (2). Each U-shaped groove (2) has a U-shaped shell (3) inside. Both sides of the U-shaped shell (3) have arc grooves. The arc grooves and U-shaped grooves (2) are combined to form a through hole (4) for the shaft to pass through. The protective shell (1) and the U-shaped shell (3) form a chamber for sealing gears. The exterior of the multiple U-shaped shells (3) is provided with a pressure plate (9) to press the U-shaped shells (3) onto the protective shell (1). The outer ring surface of the protective shell (1) is provided with a fixing seat (12) near the end of the pressure plate (9). Each fixing seat (12) has a connecting groove (15). Both ends of the pressure plate (9) protrude to form a connecting part (13). The connecting part (13) is slidably disposed in the connecting groove (15). A fixing component communicating with the protective shell (1) is provided in the middle of the pressure plate (9).

2. The gear transmission device for a large-feed crawler harvester according to claim 1, characterized in that: The protective shell (1) is provided with positioning grooves (5) on both sides of the U-shaped groove (2). Limiting plates (7) are installed on both sides of the U-shaped shell (3). The inner side of the limiting plate (7) is fitted to the outer side of the protective shell (1), and the inner side of the limiting plate (7) protrudes to form a positioning part (6) opposite to the positioning groove (5). The positioning part (6) is slidably disposed in the positioning groove (5).

3. The gear transmission device for a large-feed crawler harvester according to claim 1, characterized in that: The fixing assembly includes a fixing post (8), a positioning post, and a bolt (11). The fixing post (8) is installed in the middle of the protective shell (1). The fixing post (8) has a slot. The inner wall of the slot has a first screw hole. The middle of the pressure plate (9) is positioned opposite the slot. One end of the positioning post passes through the positioning hole and is inserted into the slot. The other end of the positioning post expands outward to form a limiting part (10). The limiting part (10) is larger than the positioning hole and abuts against the outer wall of the pressure plate (9). The limiting part (10) has a second screw hole that penetrates the limiting part (10) and the positioning post vertically. The bolt (11) is threaded into the first screw hole and the second screw hole.

4. The gear transmission device for a large-feed crawler harvester according to claim 1, characterized in that: The protective shell (1) has connecting seats (14) installed at both ends, and the connecting seats (14) have multiple fixing holes.

5. The gear transmission device for a large-feed crawler harvester according to claim 1, characterized in that: The protective shell (1) and the U-shaped shell (3) are made of stainless steel.

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