High-abrasion-resistance agricultural machinery gear shaft structure

Abstract

The utility model discloses an agricultural machinery gear shaft structure with high abrasion resistance, which belongs to the technical field of gear shafts and comprises a gear shaft, the top of the gear shaft is connected with a mounting shaft, a lower locking plate is arranged at the joint of the gear shaft and the mounting shaft, a plurality of groups of locking columns are fixedly arranged on the lower locking plate, and a gear is mounted at the top of the lower locking plate. A first through lock hole matched with the locking column is further formed in the gear, an upper locking plate is mounted at the top of the gear, and a locking cap is mounted at the top of the upper locking plate; a locking block is movably arranged on the mounting shaft, and a plurality of sets of locking grooves matched with the locking block are formed in the inner wall of the through hole. According to the gear locking device, a gear can be quickly locked under the cooperation of a locking column and a first locking hole, the gear can be locked again through the cooperation of a locking block and a locking groove, and triple locking can be conducted on the gear through the cooperation of an upper locking plate on the top, a ball and a groove; therefore, the strength and the abrasion resistance of the agricultural machinery gear shaft structure can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gear shafts, in particular to a gear shaft structure of agricultural machinery with high wear resistance. Background Art

[0002] A gear shaft refers to a mechanical part that supports a rotating part and rotates with it to transmit motion, torque or bending moment. A gear shaft is an important mechanical part. It is usually made of high-strength alloy steel and has excellent wear resistance and corrosion resistance. The main function of a gear shaft is to transmit power and torque to enable mechanical equipment to operate normally. In industrial production, gear shafts are widely used in various mechanical equipment, such as automobiles, ships, aircraft, machine tools, etc. The parts that perform rotary motion in the machine are installed on the shaft. According to the shape of the axis, the shaft can be divided into two categories: crankshaft and straight shaft.

[0003] Application number: CN 202321390550.X; discloses a gear shaft which is easy to maintain and wear-resistant. The main body module includes a main shaft, a cylinder fixed on the main shaft, a gear movably engaged on the main shaft, a cross piece movably engaged on the main shaft and located on one side of the gear, a threaded sleeve arranged on one side of the cross piece, an annular piece rotatably mounted on the main shaft, and an oil inlet pipeline mounted on the outer surface of the annular piece and connected to the inner cavity of the annular piece. The main shaft is used to install other components. A cross groove is opened on the end of the main shaft for installing the gear, which is convenient for the gear to be disassembled from the main shaft. One end of the cylinder is fixed on the inner bottom wall of the cross groove for conveying lubricating oil. A threaded rod is fixed on the end of the cylinder for fixing the cross piece. The gear is used to mesh with adjacent gears for power transmission. Arc holes are opened in a ring array on the gear. The gear shaft which is easy to maintain and wear-resistant has the advantages of easy maintenance and wear resistance.

[0004] The gear shaft strength of the above-mentioned comparative documents is average, the locking effect of the locking structure is average, the disassembly process is cumbersome, and there is a lack of a quick locking structure. Therefore, a highly wear-resistant agricultural machinery gear shaft structure is designed here to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a highly wear-resistant agricultural machinery gear shaft structure in order to solve the problems of general strength of the traditional gear shaft, general locking effect of the locking structure, complicated disassembly process, lack of a quick locking structure, etc.

[0006] To achieve the above-mentioned purpose, the technical solution of the utility model is: a highly wear-resistant agricultural machinery gear shaft structure, comprising a gear shaft, the top of the gear shaft is connected to a mounting shaft, a lower locking plate is arranged at the connection between the gear shaft and the mounting shaft, a plurality of locking columns are fixedly arranged on the lower locking plate, a gear is installed on the top of the lower locking plate, a through hole matching the mounting shaft is opened in the middle of the gear, a first locking hole penetrating and matching the locking column is also opened on the gear, an upper locking plate is installed on the top of the gear, and a locking cap is installed on the top of the upper locking plate; a plurality of slots are opened on the mounting shaft, a plurality of first springs are arranged in the slots, a locking block is connected to the outer side of the first spring, and a plurality of locking slots matching the locking block are opened on the inner wall of the through hole.

[0007] As a further solution of the utility model: the installation shaft is provided with threads, and the locking cap is connected to the installation shaft through threads.

[0008] As a further solution of the utility model: a second locking hole cooperating with the locking column is provided on the upper locking plate, the locking column and the second locking hole are regular hexagonal structures, a positioning groove is provided on the inner wall of the second locking hole, a second spring is arranged in the positioning groove, and a ball is arranged on the top of the second spring.

[0009] As a further solution of the utility model: a groove cooperating with the ball is provided on the side of the locking column.

[0010] The utility model provides a high wear-resistant agricultural machinery gear shaft structure through improvement, which has the following improvements and advantages compared with the prior art:

[0011] The utility model can perform multiple locking of the gear through the cooperation of the locking column, the locking block and the ball, wherein the gear can be quickly locked under the cooperation of the locking column and the first locking hole, and can be locked again through the cooperation of the locking block and the locking groove. And the gear can be triple locked through the top locking plate, and the cooperation of the ball and the groove, which can greatly improve the strength and wear resistance of the high wear-resistant agricultural machinery gear shaft structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0013] Figure 1 It is the front view of the structure of the utility model;

[0014] Figure 2 It is an exploded matching diagram of the utility model;

[0015] Figure 3 It is a cross-sectional view of the utility model;

[0016] Figure 4 It is a cross-sectional view of the upper locking plate in the utility model.

[0017] Description of reference numerals:

[0018] 1. Gear shaft; 2. Lower locking plate; 3. Locking column; 4. Gear; 5. Thread; 6. Mounting shaft; 7. Through hole; 8. First locking hole; 9. Locking groove; 10. Slot; 11. First spring; 12. Locking block; 13. Groove; 14. Upper locking plate; 15. Second locking hole; 16. Positioning groove; 17. Second spring; 18. Ball; 19. Locking cap. DETAILED DESCRIPTION

[0019] The following will be combined with the attached Figures 1 to 4 The utility model is described in detail, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides a high wear-resistant agricultural machinery gear shaft structure through improvement, such as Figure 1-Figure 4 As shown, a highly wear-resistant agricultural machinery gear shaft 1 structure comprises a gear shaft 1, the top of the gear shaft 1 is connected with a mounting shaft 6, a lower locking plate 2 is arranged at the connection between the gear shaft 1 and the mounting shaft 6, a plurality of locking columns 3 are fixedly arranged on the lower locking plate 2, a gear 4 is installed on the top of the lower locking plate 2, a through hole 7 cooperating with the mounting shaft 6 is opened in the middle of the gear 4, a first locking hole 8 penetrating and cooperating with the locking column 3 is also opened on the gear 4, an upper locking plate 14 is installed on the top of the gear 4, a locking cap 19 is installed on the top of the upper locking plate 14; a plurality of slots 10 are opened on the mounting shaft 6, a plurality of first springs 11 are arranged in the slots 10, a locking block 12 is connected to the outer side of the first spring 11, and a plurality of locking slots 9 cooperating with the locking block 12 are opened on the inner wall of the through hole 7.

[0021] The utility model can perform multiple locking on the gear 4 through the cooperation of the locking column 3, the locking block 12 and the ball 18, wherein the gear 4 can be quickly locked under the cooperation of the locking column 3 and the first locking hole 8, and can be locked again through the cooperation of the locking block 12 and the locking groove 9. And the gear 4 can be triple locked through the top locking plate 14, and the cooperation of the ball 18 and the groove 13, which can greatly improve the strength and wear resistance of the high wear-resistant agricultural machinery gear shaft 1 structure.

[0022] See attached Figure 2 -Attached Figure 3 A thread 5 is provided on the installation shaft 6 , and the locking cap 19 is connected to the installation shaft 6 via the thread 5 .

[0023] In this embodiment, in order to lock the upper locking plate 14 , a locking cap 19 is provided on the top thereof and is fastened by means of the thread 5 .

[0024] See attached Figure 3 -Attached Figure 4 A second locking hole 15 cooperating with the locking column 3 is provided on the upper locking plate 14. The locking column 3 and the second locking hole 15 are regular hexagonal structures. A positioning groove 16 is provided on the inner wall of the second locking hole 15. A second spring 17 is arranged in the positioning groove 16. A ball 18 is arranged on the top of the second spring 17.

[0025] In this embodiment, in order to position the top of the gear 4, an upper locking plate 14 is installed on the mounting shaft 6. After passing through the gear 4, the locking column 3 is locked again by the second locking hole 15 opened on the upper locking plate 14. In order to quickly lock the locking column 3, a ball 18 is movably arranged on the inner wall of the second locking hole 15.

[0026] See attached Figure 3 -Attached Figure 4 A groove 13 cooperating with the ball 18 is provided on the side of the locking column 3 .

[0027] In this embodiment, in order to quickly position the locking column 3 and the second locking hole 15 , a groove 13 cooperating with the ball 18 is opened on the side of the locking column 3 .

[0028] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A highly wear-resistant agricultural machinery gear shaft structure, characterized in that: The invention comprises a gear shaft (1), the top of the gear shaft (1) is connected to a mounting shaft (6), a lower locking plate (2) is arranged at the connection between the gear shaft (1) and the mounting shaft (6), a plurality of locking columns (3) are fixedly arranged on the lower locking plate (2), a gear (4) is installed on the top of the lower locking plate (2), a through hole (7) cooperating with the mounting shaft (6) is provided in the middle of the gear (4), and a through hole (7) penetrating the gear (4) and cooperating with the locking column (3) is also provided on the gear (4). A first locking hole (8) is provided to match the gear (4), an upper locking plate (14) is installed on the top of the gear (4), and a locking cap (19) is installed on the top of the upper locking plate (14); a plurality of groups of slots (10) are provided on the mounting shaft (6), a plurality of groups of first springs (11) are arranged in the slots (10), a locking block (12) is connected to the outer side of the first spring (11), and a plurality of groups of locking slots (9) matching with the locking block (12) are provided on the inner wall of the through hole (7).

2. The highly wear-resistant agricultural machinery gear shaft structure according to claim 1, characterized in that: The installation shaft (6) is provided with a thread (5), and the locking cap (19) is connected to the installation shaft (6) via the thread (5).

3. The highly wear-resistant agricultural machinery gear shaft structure according to claim 1, characterized in that: The upper locking plate (14) is provided with a second locking hole (15) matched with the locking column (3); the locking column (3) and the second locking hole (15) are regular hexagonal structures; a positioning groove (16) is provided on the inner wall of the second locking hole (15); a second spring (17) is arranged in the positioning groove (16); and a ball (18) is arranged on the top of the second spring (17).

4. The high wear-resistant agricultural machinery gear shaft structure according to claim 3, characterized in that: A groove (13) cooperating with the ball (18) is formed on the side of the locking column (3).

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