Light high-load small agricultural vehicle transmission structure

Abstract

The utility model relates to the technical field of agricultural machinery vehicle transmission, discloses a light high-load small agricultural machinery vehicle transmission structure, and solves the problems that in the use process of a transmission shaft for a light high-load small agricultural machinery vehicle, the two ends of the transmission shaft are not protected, so that the transmission shaft is easy to wind agricultural straws during working, normal transmission operation is influenced, and the service life of the transmission shaft is prolonged. The transmission shaft comprises a transmission shaft rod, adjusting threads are arranged on the outer sides of the two ends of the transmission shaft rod, fixing holes are symmetrically formed in the transmission shaft rod in a penetrating mode, first connecting frames are fixedly installed at the two ends of the transmission shaft rod, and adjusting protection assemblies are installed on the outer sides of the two ends of the transmission shaft rod; according to the transmission shaft, in the using process of the transmission shaft for the light-weight high-load small agricultural vehicle, the two ends of the transmission shaft can be protected conveniently, the situation that the transmission shaft is wound with agricultural straw in the working process is avoided, normal transmission operation is ensured, and therefore better practicability is achieved conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural machinery vehicle transmission, in particular to a light and high-load small agricultural machinery vehicle transmission structure. Background Art

[0002] Agricultural machinery refers to various machines used in the process of crop planting and animal husbandry production, as well as in the primary processing and treatment of agricultural and livestock products. Agricultural machinery includes agricultural power machinery, farmland construction machinery, soil tillage machinery, planting and fertilizing machinery, plant protection machinery, farmland irrigation and drainage machinery, crop harvesting machinery, agricultural product processing machinery, animal husbandry machinery and agricultural transport machinery, etc. Lightweight and high-load small agricultural machinery is a type of agricultural machinery. The drive shaft is an important transmission structure in light and high-load small agricultural machinery vehicles. During the use of the drive shaft of light and high-load small agricultural machinery vehicles, the two ends of the drive shaft lack protection, which makes it easy to entangle with crop straw during work, affecting the normal transmission operation, which is not conducive to achieving better practicality. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a transmission structure for a light and high-load small agricultural machinery vehicle, which effectively solves the problem that during the use of the light and high-load small agricultural machinery vehicle, the transmission shaft lacks protection at both ends, causing it to easily get entangled in crop straw during work, affecting the normal transmission operation, making it difficult to achieve better practicality.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a light and high-load small agricultural machinery vehicle transmission structure, including a transmission shaft, the outer sides of both ends of the transmission shaft are provided with adjustment threads, the interior of the transmission shaft is symmetrically penetrated with fixing holes, both ends of the transmission shaft are fixedly installed with a first connecting frame, a second connecting frame is arranged on the side of the first connecting frame away from the transmission shaft, a universal cross shaft is rotatably installed between the first connecting frame and the second connecting frame, and adjustment protection components are installed on the outer sides of both ends of the transmission shaft, and the first connecting frame, the second connecting frame and the universal cross shaft are all located inside the adjustment protection component, and the adjustment protection component is connected to the fixing hole.

[0005] Preferably, the adjustment protection assembly includes a protective cover, and the protective cover is a cylindrical structure, the first connecting frame, the second connecting frame and the universal cross shaft are all located inside the protective cover, a circular movable plate is fixedly installed on one side of the protective cover, and the circular movable plate is movably installed on the outside of the transmission shaft, a movable screw sleeve is fixedly installed on the middle part of the side of the circular movable plate away from the protective cover, and the movable screw sleeve is threadedly installed on the outside of the adjustment thread, a hexagonal sleeve is fixedly installed on the outside of the movable screw sleeve, and six adjustment blocks are evenly fixedly installed on the outside of the hexagonal sleeve.

[0006] Preferably, the movable screw sleeve is symmetrically fixed with a first arc seat and a second arc seat on one side away from the circular movable plate, a fixing bolt is movably installed inside the first arc seat, a fixing screw sleeve is fixedly installed at the bottom of the second arc seat, and the fixing bolt movably passes through the fixing hole and is threadedly connected to the fixing screw sleeve.

[0007] Preferably, a connecting block is fixedly installed on the middle part of the side of the second connecting frame away from the first connecting frame, a circular connecting plate is fixedly installed on the side of the connecting block away from the second connecting frame, and four connecting holes are evenly opened inside the circular connecting plate.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1) During operation, through the interaction of the transmission shaft, adjustment thread, fixing hole, first connecting frame, universal cross shaft, second connecting frame and adjustment protection assembly, the transmission shaft of the light and high-load small agricultural machinery vehicle can be protected at both ends during use to avoid the entanglement of crop straw during operation, thereby ensuring normal transmission operation and achieving better practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0011] In the attached picture:

[0012] Figure 1 This is a schematic diagram of the transmission structure of a light-duty, high-load small agricultural vehicle of the utility model;

[0013] Figure 2 It is a schematic diagram of the enlarged structure of the transmission shaft part of the utility model;

[0014] Figure 3 It is a schematic diagram of the structure of the adjustment and protection component of the utility model.

[0015] In the figure: 1. transmission shaft; 2. adjusting thread; 3. fixing hole; 4. first connecting frame; 5. second connecting frame; 6. universal cross shaft; 7. adjusting protection assembly; 8. protective cover; 9. circular movable plate; 10. movable screw sleeve; 11. hexagonal sleeve; 12. adjusting block; 13. first arc seat; 14. second arc seat; 15. fixing bolt; 16. fixing screw sleeve; 17. connecting block; 18. circular connecting plate; 19. connecting hole. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0017] Embodiment 1, by Figure 1 , Figure 2 and Figure 3 The utility model includes a transmission shaft 1, both ends of the transmission shaft 1 are provided with adjustment threads 2 on the outside, the transmission shaft 1 is symmetrically penetrated with fixing holes 3, both ends of the transmission shaft 1 are fixedly installed with first connection frames 4, a second connection frame 5 is provided on the side of the first connection frame 4 away from the transmission shaft 1, a universal cross shaft 6 is rotatably installed between the first connection frame 4 and the second connection frame 5, a connection block 17 is fixedly installed on the middle part of the side of the second connection frame 5 away from the first connection frame 4, a circular connection plate 18 is fixedly installed on the side of the connection block 17 away from the second connection frame 5, and four connection holes 19 are evenly penetrated inside the circular connection plate 18, both ends of the transmission shaft 1 are installed with adjustment protection components 7 on the outside, and the first connection frame 4, the second connection frame 5 and the universal cross shaft 6 are all located inside the adjustment protection component 7, and the adjustment protection component 7 is connected to the fixing hole 3;

[0018] The adjustment protection assembly 7 includes a protective cover 8, and the protective cover 8 is a cylindrical structure. The first connecting frame 4, the second connecting frame 5 and the universal cross shaft 6 are all located inside the protective cover 8. A circular movable plate 9 is fixedly installed on one side of the protective cover 8, and the circular movable plate 9 is movably installed on the outside of the transmission shaft 1. A movable screw sleeve 10 is fixedly installed in the middle of the side of the circular movable plate 9 away from the protective cover 8, and the movable screw sleeve 10 is threadedly installed on the outside of the adjusting thread 2. A hexagonal sleeve 11 is fixedly installed on the outside of the movable screw sleeve 10, and six adjustment blocks 12 are evenly fixedly installed on the outside of the hexagonal sleeve 11. The movable screw sleeve 10 is symmetrically fixedly installed with a first arc seat 13 and a second arc seat 14 on the side away from the circular movable plate 9. A fixing bolt 15 is movably installed inside the first arc seat 13, and a fixing screw sleeve 16 is fixedly installed on the bottom of the second arc seat 14, and the fixing bolt 15 movably penetrates the fixing hole 3 and is threadedly connected to the fixing screw sleeve 16.

[0019] During use, through the interaction of the transmission shaft 1, adjustment thread 2, fixing hole 3, first connecting frame 4, universal cross shaft 6, second connecting frame 5 and adjustment protection assembly 7, the transmission shaft for light and high-load small agricultural machinery vehicles can be protected at both ends during use to avoid the situation of being entangled with crop straw during work, thereby ensuring normal transmission operation and achieving better practicality.

[0020] Working principle: When working, first hold the transmission shaft 1 and keep it still, then drive the hexagonal sleeve 11 to rotate through the adjusting block 12, and the hexagonal sleeve 11 drives the movable screw sleeve 10 to rotate. Under the action of the adjusting thread 2, the movable screw sleeve 10 moves while rotating, and the movable screw sleeve 10 drives the circular movable plate 9 to move, and the circular movable plate 9 drives the protective cover 8 to move. At the same time, the movable screw sleeve 10 drives the first arc seat 13 and the second arc seat 14 to move, and the second arc seat 14 drives the fixed screw sleeve 16 to move. After the fixed screw sleeve 16 moves to be vertically aligned with the fixing hole 3, stop rotating the movable screw sleeve 10. At this time, the protective cover 8 is moved. The cover 8 protects the first connecting frame 4, the second connecting frame 5 and the universal cross shaft 6, and then the fixing bolt 15 is inserted into the first arc seat 13, and the fixing bolt 15 passes through the fixing hole 3 and is threadedly connected with the fixing screw sleeve 16, and then the fixing bolt 15 is tightened to fix the first arc seat 13 and the second arc seat 14 on the outside of the transmission shaft 1, so that the protective cover 8 can be fixed, so that the two ends of the transmission shaft of the light and high-load small agricultural machinery vehicle can be protected during use to avoid the situation of entanglement with crop straw during work, ensuring normal transmission operation, so as to achieve better practicality.

Claims

1. A light-duty, high-load small agricultural machinery vehicle transmission structure, comprising a transmission shaft (1), characterized in that: The outer sides of both ends of the transmission shaft (1) are provided with adjustment threads (2); the interior of the transmission shaft (1) is symmetrically provided with fixing holes (3); the two ends of the transmission shaft (1) are fixedly provided with first connection frames (4); a second connection frame (5) is provided on the side of the first connection frame (4) away from the transmission shaft (1); a universal cross shaft (6) is rotatably installed between the first connection frame (4) and the second connection frame (5); the outer sides of both ends of the transmission shaft (1) are provided with adjustment protection components (7); the first connection frame (4), the second connection frame (5) and the universal cross shaft (6) are all located inside the adjustment protection component (7); and the adjustment protection component (7) is connected to the fixing hole (3).

2. The light-duty high-load small agricultural vehicle transmission structure according to claim 1 is characterized in that: The adjustment protection assembly (7) comprises a protection cover (8), and the protection cover (8) is a cylindrical structure. The first connection frame (4), the second connection frame (5) and the universal cross shaft (6) are all located inside the protection cover (8). A circular movable plate (9) is fixedly installed on one side of the protection cover (8), and the circular movable plate (9) is movably installed on the outside of the transmission shaft (1). A movable screw sleeve (10) is fixedly installed in the middle of a side of the circular movable plate (9) away from the protection cover (8), and the movable screw sleeve (10) is threadedly installed on the outside of the adjustment thread (2). A hexagonal sleeve (11) is fixedly installed on the outside of the movable screw sleeve (10), and six adjustment blocks (12) are evenly fixedly installed on the outside of the hexagonal sleeve (11).

3. The transmission structure of a light-duty, high-load small agricultural vehicle according to claim 2 is characterized in that: A first arc seat (13) and a second arc seat (14) are symmetrically fixedly installed on one side of the movable screw sleeve (10) away from the circular movable plate (9); a fixing bolt (15) is movably installed inside the first arc seat (13); a fixing screw sleeve (16) is fixedly installed at the bottom of the second arc seat (14); and the fixing bolt (15) movably penetrates the fixing hole (3) and is threadedly connected to the fixing screw sleeve (16).

4. The light-duty high-load small agricultural vehicle transmission structure according to claim 1 is characterized in that: A connecting block (17) is fixedly mounted on the middle part of a side of the second connecting frame (5) away from the first connecting frame (4), a circular connecting plate (18) is fixedly mounted on a side of the connecting block (17) away from the second connecting frame (5), and four connecting holes (19) are evenly penetrated inside the circular connecting plate (18).

Images