Main transmission gear pair structure based on bulldozer
By designing a compact main drive gear pair structure, and utilizing the nesting and meshing connection of components such as the gearbox, output shaft, input shaft, and bevel gear shaft, the problem of unstable gear transmission in bulldozers was solved, thereby improving operational stability and service life.
Patent Information
- Application Number
- CN202520506045.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-21
AI Technical Summary
The gear transmission stability of existing bulldozers is insufficient, resulting in a short service life.
A main drive gear pair structure based on bulldozers is adopted, including components such as gearbox, output shaft, input shaft, bevel gear shaft and bevel gear. The structure is enhanced in terms of compactness and stability through flat key limiting nesting and tooth meshing connection.
This design achieves a compact structure and good operational stability in bulldozer gear transmissions, extending their service life.
Smart Images
Figure CN223854763U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical engineering transmission mechanism technical field, concretely relates to a main transmission gear pair structure based on bulldozer. BACKGROUND
[0002] The bulldozer is a kind of earthwork machinery that can carry out excavation, transportation and discard rock-soil, has wide use in open-pit mine, is used to build dump, level automobile dump, stack scattered ore, level work flat plate and construction site etc., it is not only used for auxiliary work, can also be used for main mining work, stripping and mining of sand deposit, traction and boost of shovel truck and plow rock machine, with the development of national economy, the demand of large mine, water conservancy, power station and transportation department for medium and large crawler-type bulldozer is increasing. SUMMARY
[0003] The utility model mainly solves the insufficient of prior art, provides a main transmission gear pair structure based on bulldozer, it has compact structure, operating stability is good and the characteristics such as long service life.Solve the problem of bulldozer gear transmission stability.
[0004] The above technical problems of the utility model are mainly solved by the following technical schemes:
[0005] A kind of main transmission gear pair structure based on bulldozer, including gear box, the gear box is equipped with output shaft and input shaft, the output shaft is equipped with the input pinion that is nested with output shaft with parallel key limit, the input pinion is equipped with driven gear with the input pinion with bevel gear shaft between output shaft, the bevel gear shaft is equipped with the driven bevel gear with the input pinion with bevel gear shaft, the driven bevel gear is connected with bevel gear shaft with parallel key limit nesting, bevel gear shaft is equipped with the driven bevel gear with the input pinion with bevel gear shaft between output shaft.
[0006] As preferred, the output shaft is equipped with the output gear that is nested with output shaft with parallel key limit, the output gear is equipped with the transition gear shaft with the output gear with bevel gear shaft between driven bevel gear, the transition gear shaft is connected with driven bevel gear with parallel key limit nesting.
[0007] As preferred, the output shaft both ends with gear box, bevel gear shaft both ends with gear box, transition gear shaft both ends with gear box are equipped with bearing.
[0008] As preferred, the bevel gear shaft is equipped with the shaft sleeve between two bearings and with bevel gear shaft nested connection.
[0009] As preferred, the output shaft extending out of the gear box end is provided with an output shaft end cover bolted to the gear box and sleeved with the output shaft, and the other end of the output shaft and both ends of the transition gear shaft are provided with dustproof end covers bolted to the gear box.
[0010] The utility model can achieve the following effects:
[0011] The utility model discloses a main transmission gear pair structure based on bulldozer compared with prior art has the characteristics of compact structure, good running stability and long service life. Solve the problem of bulldozer gear transmission stability. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the structural schematic diagram of the utility model.
[0013] Figure 2 It is the gear transmission structure schematic diagram of the output shaft and transition gear shaft in the utility model.
[0014] In the drawing: output gear wheel 1, output shaft 2, gear box 3, input pinion 4, input shaft 5, driven gear wheel 6, bevel gear shaft 7, bearing 8, shaft sleeve 9, driven bevel gear 10, transition gear shaft 11, output shaft end cover 12, dustproof end cover 13. DETAILED DESCRIPTION
[0015] The technical scheme of the utility model will be further specifically explained below by embodiment and in connection with the drawings.
[0016] Embodiment: as Figure 1 And Figure 2As shown, a bulldozer-based main drive gear pair structure, including a gear box 3, the gear box 3 is provided with an output shaft 2 and an input shaft 5, the output shaft 2 is provided with an input pinion 4 which is flat-key limited and nested with the output shaft 2, the input pinion 4 and the output shaft 2 are provided with a bevel gear shaft 7, the bevel gear shaft 7 is provided with a driven gear 6 which is tooth-shaped meshed with the input pinion 4, the driven gear 6 is flat-key limited and nested with the bevel gear shaft 7, the bevel gear shaft 7 and the output shaft 2 are provided with a driven bevel gear 10 which is tooth-shaped meshed with the bevel gear shaft 7. The output shaft 2 is provided with an output gear 1 which is flat-key limited and nested with the output shaft 2, the output gear 1 and the driven bevel gear 10 are provided with a transition gear shaft 11 which is tooth-shaped meshed with the output gear 1, the transition gear shaft 11 is flat-key limited and nested with the driven bevel gear 10. The output shaft 2 extends out of the gear box 3 and is provided with an output shaft end cover 12 which is bolted and fixed with the gear box 3 and is sleeved with the output shaft 2, the other end of the output shaft 2 and the two ends of the transition gear shaft 11 are provided with a dustproof end cover 13 which is bolted and fixed with the gear box 3. The two ends of the output shaft 2 and the gear box 3, the two ends of the bevel gear shaft 7 and the gear box 3, and the two ends of the transition gear shaft 11 and the gear box 3 are all provided with a bearing 8. The bevel gear shaft 7 is provided with a shaft sleeve 9 which is nested with the bevel gear shaft 7 and located between the two bearings 8.
[0017] In summary, the bulldozer-based main drive gear pair structure has the characteristics of compact structure, good running stability and long service life. The problem of stable gear transmission of the bulldozer is solved.
[0018] It is obvious for those skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, and can be implemented in other specific forms without departing from the basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0019] In summary, the above-mentioned is only a specific embodiment of the present application, but the structural characteristics of the present application are not limited to this, any changes or modifications made by those skilled in the art within the scope of the present application are covered by the patent scope of the present application.
Claims
1. A bulldozer-based main drive gear pair structure, characterized by: The gear box (3) is provided with an output shaft (2) and an input shaft (5), the output shaft (2) is provided with an input pinion (4) which is nested with the output shaft (2) in a flat key limiting mode, a bevel gear shaft (7) is arranged between the input pinion (4) and the output shaft (2), the bevel gear shaft (7) is provided with a driven gear (6) which is toothed with the input pinion (4), the driven gear (6) is connected with the bevel gear shaft (7) in a flat key limiting mode, and a driven bevel gear (10) is arranged between the bevel gear shaft (7) and the output shaft (2) and toothed with the bevel gear shaft (7).
2. The bulldozer-based main drive gear pair structure of claim 1, wherein: The output shaft (2) is provided with an output gear (1) which is nested with the output shaft (2) in a flat key limiting mode, a transition gear shaft (11) is arranged between the output gear (1) and the driven bevel gear (10) and toothed with the output gear (1), and the transition gear shaft (11) is connected with the driven bevel gear (10) in a flat key limiting mode.
3. The bulldozer-based main drive gear pair structure of claim 2, wherein: Bearing (8) is arranged between the output shaft (2) and the gear box (3), between the bevel gear shaft (7) and the gear box (3), and between the transition gear shaft (11) and the gear box (3).
4. The bulldozer-based main drive gear pair arrangement of claim 3, wherein: The bevel gear shaft (7) is provided with a shaft sleeve (9) which is nested with the bevel gear shaft (7) and arranged between the two bearings (8).
5. The bulldozer-based main drive gear pair arrangement of claim 2, wherein: The output shaft (2) is provided with an output shaft end cover (12) which is bolted with the gear box (3) and sleeved with the output shaft (2) at the end of the gear box (3), and the other end of the output shaft (2) and the two ends of the transition gear shaft (11) are provided with dustproof end covers (13) which are bolted with the gear box (3).