CN220268376U - Tractor power output shaft structure convenient to dismantle - Google Patents
Tractor power output shaft structure convenient to dismantle Download PDFInfo
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- CN220268376U CN220268376U CN202320554095.6U CN202320554095U CN220268376U CN 220268376 U CN220268376 U CN 220268376U CN 202320554095 U CN202320554095 U CN 202320554095U CN 220268376 U CN220268376 U CN 220268376U
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- power output
- power take
- transmission shaft
- oil seal
- structure convenient
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- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of tractors, and relates to a power output shaft structure of a tractor, which comprises a power output shaft and a power output transmission shaft which are connected in a detachable manner, wherein a power output meshing tooth seat is arranged at the front end of the power output transmission shaft, a power output low-grade driven gear, a meshing sleeve and a power output high-grade driven gear are arranged on the power output meshing tooth seat, and an oil seal seat is arranged at the rear end of the power output transmission shaft. The utility model can be replaced by detaching the connecting bolt when the power output shaft needs to be replaced by the split structure design of the power output shaft and the power output transmission shaft, and other parts do not need to be detached, thereby being beneficial to maintenance, disassembly and assembly, having low maintenance cost, through the design of power take off meshing toothholder, can promote the load performance and effectively guarantee processing and assembly accuracy to promote product market competition, have advantages such as intensity is good, the structure is reliable, the assembly is simple, easy maintenance.
Description
Technical Field
The utility model belongs to the technical field of tractors, and particularly relates to a tractor power output shaft structure convenient to detach.
Background
With the development of modern agricultural machinery, tractors have been developed that utilize power take-off shafts to drive a variety of agricultural implements to accomplish various operating conditions in the agricultural field. Because the use times are frequent, the work load condition is complex and various, the problems of the power output part are more and most of the problems are concentrated on the fracture faults of the power output shaft.
The structural design of the power output shaft of the existing tractor is hindered, when failure conditions such as fracture and the like of the power output shaft are required to be removed and replaced, the oil seal seat is required to be removed, the bearing is knocked down, the retainer ring is taken out, and the gear, the needle bearing and the meshing sleeve are taken down together, so that the power output shaft can be replaced. Not only increased maintenance cost time, still caused the damage to bearing, oil blanket etc. easily, and power take off shaft structure as an organic whole, in actual load work, the spline part often appears inefficacy on the power take off shaft, and because it is expensive to lead to the replacement because of integral type structure, is unfavorable for subsequent maintenance. It is necessary to optimize the existing power take-off structure.
Disclosure of Invention
The utility model aims to solve the defects and shortcomings in the prior art, and designs a tractor power output shaft structure which is good in strength, reliable in structure, simple to assemble, convenient to maintain and convenient to detach.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a tractor power output shaft structure convenient to dismantle, includes power take off shaft and the power take off transmission shaft of detachable connection, power take off engagement toothholder is installed to the front end of power take off transmission shaft, set up power take off low-grade driven gear, meshing cover and power take off high-grade driven gear on the power take off engagement toothholder, the rear end installation oil blanket seat of power take off transmission shaft.
Preferably, needle bearings are arranged between the power output low-gear driven gear and the power output high-gear driven gear and the power output meshing tooth seat.
Preferably, the meshing sleeve is connected with the power output meshing tooth seat in a matched manner through an internal spline and an external spline.
Preferably, the power output meshing tooth holder is connected with the box body through a front check ring and a first bearing.
Preferably, one side of the power output meshing tooth seat, which is close to the oil seal seat, is provided with a rear check ring assembly and a second bearing.
Preferably, the rear retainer ring assembly comprises a split retainer ring and a rear retainer ring arranged on the split retainer ring.
Preferably, the oil seal seat is connected with the box body through the bearing cover plate, the oil seal seat is in locking connection with the bearing cover plate through a first bolt, and an O-shaped sealing ring is further arranged between the oil seal seat and the bearing cover plate.
Preferably, an oil seal is arranged between the oil seal seat and the power output transmission shaft.
Preferably, the power output shaft and the power output transmission shaft are detachably connected through a second bolt and a second nut.
After the technical scheme is adopted, the tractor power output shaft structure convenient to detach has the following beneficial effects:
according to the split type power output shaft and power output transmission shaft structure, when the power output shaft needs to be replaced, the power output shaft can be replaced only by detaching the connecting bolts, other parts do not need to be detached, the maintenance, the disassembly and the assembly are facilitated, and the maintenance cost is low; the design of the power output meshing tooth seat can improve the load performance and effectively ensure the machining and assembling precision; the power output transmission shaft adopts a split type check ring to carry out an axial positioning structure, so that the disassembly and assembly can be realized quickly; in addition, under this novel structural design, if only change power take off shaft, then need not to dismantle other spare parts such as oil blanket seat to play the effect of protection oil blanket. Therefore, the utility model can improve the load performance, optimize the structure and achieve the purpose of quick disassembly and replacement, thereby improving the market competitiveness of the product and having the advantages of good strength, reliable structure, simple assembly, convenient maintenance and the like.
Drawings
Fig. 1 is a schematic diagram of a power output shaft structure of a tractor with easy disassembly according to the present utility model.
Wherein: the power output device comprises a box body 1, a first bearing 2, a front retainer ring 3, a power output low-grade driven gear 4, a meshing sleeve 5, a power output high-grade driven gear 6, an O-shaped sealing ring 7, a bearing cover plate 8, an oil seal seat 9, a first bolt 10, a second bolt 11, a nut 12, a power output shaft 13, an oil seal 14, a second bearing 15, a split retainer ring 16, a rear retainer ring 17, a needle bearing 18, a power output transmission shaft 19 and a power output meshing tooth seat 20.
Detailed Description
The present utility model now will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which embodiments of the utility model are shown, by way of illustration only, and not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.
The utility model relates to a power output shaft structure of a tractor, which is convenient to disassemble, as shown in fig. 1, and comprises a power output shaft 13 and a power output transmission shaft 19 which are detachably connected, wherein the power output shaft 13 and the power output transmission shaft 19 are particularly detachably connected through a second bolt 11 and a nut 12.
The front end of the power output transmission shaft 19 is provided with a power output meshing tooth holder 20, the power output meshing tooth holder 20 is provided with a power output low-grade driven gear 4, a meshing sleeve 5 and a power output high-grade driven gear 6, and the rear end of the power output transmission shaft 19 is provided with an oil seal holder 9.
Further, needle bearings 18 are installed between the power output low-grade driven gear 4 and the power output high-grade driven gear 6 and the power output meshing tooth holder 20, the meshing sleeve 5 is connected with the power output meshing tooth holder 20 in a matched mode through internal splines and external splines, the power output meshing tooth holder 20 is connected with the box body 1 through the front retainer ring 3 and the first bearing 2, a rear retainer ring assembly and a second bearing 15 are arranged on one side, close to the oil seal holder 9, of the power output meshing tooth holder 20, specifically, the rear retainer ring assembly comprises a split retainer ring 16 and a rear retainer ring 17 arranged on the split retainer ring 16, the oil seal holder 9 is connected with the box body 1 through a bearing cover plate 8, specifically, the oil seal holder 9 is connected with the bearing cover plate 8 in a locked mode through a first bolt 10, an O-shaped sealing ring 7 is further arranged between the oil seal holder 9 and the bearing cover plate 8, and an oil seal 14 is arranged between the oil seal holder 9 and the power output transmission shaft 19.
The oil seal seat 9 is provided with a notch at the outer diameter of one end shaft, the split retainer 16 is a half collar which is a pair, and the middle part of the power output transmission shaft 19 is also provided with a notch.
When the power output shaft structure of the tractor convenient to detach is installed, the outer ring of the first bearing 2 is knocked into the hole of the box body 1 and is installed in place, one end of the power output meshing tooth holder 20 sequentially penetrates through the inner hole of the power output low-grade driven gear 4 provided with the needle bearing 18 and the inner hole of the front retainer ring 3, and then is knocked into the inner ring of the first bearing 2. The other end of the power output meshing tooth seat 20 penetrates through an internal spline of the meshing sleeve 5, the meshing sleeve 5 is arranged at an external spline of the meshing sleeve, a power output high-grade driven gear 6 provided with a needle bearing 18 is arranged on the power output meshing tooth seat 20, an inner ring of the second bearing 15 is knocked into a power output transmission shaft 19, a split retainer 16 is arranged in a groove of the power output transmission shaft 19 in a pair, an inner hole of the rear retainer 17 is arranged on the split retainer 16, the bearing cover plate 8 is fixed on the box body 1 through bolts, an inner hole of the oil seal seat 9 is coaxially pressed into the oil seal 14, an O-shaped sealing ring 7 is arranged at a notch of the outer diameter of the shaft, the inner hole of the oil seal seat 9 is knocked into an outer ring of the second bearing 15, the oil seal seat is sleeved into the power output transmission shaft 19, and the power output transmission shaft 19 penetrates through the inner hole of the meshing tooth seat 20 from right to left and is in spline engagement with the power output transmission shaft 19. The oil seal seat is locked with the bearing cover plate 8 through the bolt 10, and the power output shaft 13 is connected with the power output transmission shaft 19 through the second bolt 11 and the nut 12, so that the power output shaft and related components are installed.
In summary, the power output shaft structure of the tractor convenient to detach provided by the utility model can achieve the purpose of quick detachment and replacement while improving the load performance and optimizing the structure, thereby improving the market competitiveness of products, and has the advantages of good strength, reliable structure, simple assembly, convenient maintenance and the like, thus having great market value and being worthy of being widely popularized and applied.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. Tractor power take off shaft structure convenient to dismantle, its characterized in that: including power take off shaft (13) and power take off transmission shaft (19), can dismantle through second bolt (11) and nut (12) between power take off shaft (13) and the power take off transmission shaft (19), power take off meshing toothholder (20) are installed to the front end of power take off transmission shaft (19), set up power take off low-grade driven gear (4), adapter sleeve (5) and power take off high-grade driven gear (6) on power take off meshing toothholder (20), oil blanket seat (9) are installed to the rear end of power take off transmission shaft (19).
2. The tractor power take-off structure convenient to disassemble as defined by claim 1, wherein: needle bearings (18) are arranged between the power output low-gear driven gear (4) and the power output high-gear driven gear (6) and the power output meshing tooth seat (20).
3. The tractor power take-off structure convenient to disassemble as defined by claim 1, wherein: the meshing sleeve (5) is connected with the power output meshing tooth holder (20) in a matched mode through an internal spline and an external spline.
4. The tractor power take-off structure convenient to disassemble as defined by claim 1, wherein: the power output meshing tooth seat (20) is connected with the box body (1) through the front check ring (3) and the first bearing (2).
5. The tractor power take-off structure convenient to disassemble as defined by claim 1, wherein: and a rear check ring assembly and a second bearing (15) are arranged on one side of the power output meshing tooth seat (20) close to the oil seal seat (9).
6. The tractor power take-off structure convenient to disassemble as defined by claim 5, wherein: the rear retainer ring assembly comprises a split retainer ring (16) and a rear retainer ring (17) arranged on the split retainer ring (16).
7. The tractor power take-off structure convenient to disassemble as defined by claim 1, wherein: the oil seal seat (9) is connected with the box body (1) through the bearing cover plate (8), the oil seal seat (9) is in locking connection with the bearing cover plate (8) through a first bolt (10), and an O-shaped sealing ring (7) is further arranged between the oil seal seat (9) and the bearing cover plate (8).
8. The tractor power take-off structure convenient to disassemble as defined by claim 1, wherein: an oil seal (14) is arranged between the oil seal seat (9) and the power output transmission shaft (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320554095.6U CN220268376U (en) | 2023-03-20 | 2023-03-20 | Tractor power output shaft structure convenient to dismantle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320554095.6U CN220268376U (en) | 2023-03-20 | 2023-03-20 | Tractor power output shaft structure convenient to dismantle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220268376U true CN220268376U (en) | 2023-12-29 |
Family
ID=89317996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320554095.6U Active CN220268376U (en) | 2023-03-20 | 2023-03-20 | Tractor power output shaft structure convenient to dismantle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220268376U (en) |
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2023
- 2023-03-20 CN CN202320554095.6U patent/CN220268376U/en active Active
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