CN118066280A - Mower header gear box - Google Patents
Mower header gear box Download PDFInfo
- Publication number
- CN118066280A CN118066280A CN202410355273.1A CN202410355273A CN118066280A CN 118066280 A CN118066280 A CN 118066280A CN 202410355273 A CN202410355273 A CN 202410355273A CN 118066280 A CN118066280 A CN 118066280A
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- CN
- China
- Prior art keywords
- shaft
- transmission
- gear
- box body
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 108
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000003306 harvesting Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000219823 Medicago Species 0.000 description 1
- 235000017587 Medicago sativa ssp. sativa Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Landscapes
- Harvester Elements (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to the technical field of agricultural machinery transmission, in particular to a cutting table gearbox of a mower, which comprises a box body, wherein an input shaft component, a transmission shaft component and an output shaft component are arranged in the box body, and power is transmitted to the output shaft component after passing through the input shaft component and the transmission shaft component; the output shaft part is positioned at the lowest part of the box body, and the output end of the output shaft part is provided with a polygonal inner hole for connecting an external transmission part; the advantages are that: the hexagonal angle steel suitable for the whole machine equipment can be directly selected as a transmission shaft by the hexagonal design of the inner hole of the gear box output gear shaft, the position of the output shaft is low, the installation space of the whole machine equipment is saved, and the harvesting cutter head of the whole machine equipment is closer to the ground, so that the harvesting cutter head is economical and reliable.
Description
Technical Field
The invention relates to the technical field of agricultural machinery transmission, in particular to a cutting table gearbox of a mower.
Background
With the continuous improvement of the agricultural machinery level in China, more and more varieties of agricultural machinery appear, the agricultural machinery mechanization level is higher and higher, and under certain special conditions, some thick and lodged pastures such as alfalfa and the like cannot be harvested smoothly by the conventional reciprocating mower; in order to improve harvesting efficiency, people research and develop a novel rotary cutter, a lower transmission output structure is adopted, the cutter beam is low in position, the cutter beam can be tightly cut on the ground, the stubble cutting is low, the rotation speed is faster, and the cutting operation can be performed on lodging pasture rapidly and effectively.
Aiming at the novel functional requirement, the power transmission box in the pasture harvester is also required to be innovated to meet the functional requirement of the whole machine product.
Based on this, the present application is hereby proposed.
Disclosure of Invention
The invention aims to provide a mower header gearbox which is provided with an output end position attached to the ground, is convenient for the installation of complete equipment, has high output rotating speed, compact structure and low operation noise and is reliable to use.
In order to achieve the above object, the technical scheme of the present invention is as follows:
A cutting table gear box of a mower comprises a box body, wherein an input shaft component, a transmission shaft component and an output shaft component are arranged in the box body, and power is transmitted to the output shaft component after passing through the input shaft component and the transmission shaft component; the output shaft part is positioned at the lowest part of the box body, and the output end of the output shaft part is provided with a polygonal inner hole for connecting an external transmission part.
Further, the input shaft part comprises an input shaft connected with the box body through a bearing, and a transmission gear I is fixed on the input shaft; the transmission shaft part comprises a transmission shaft connected with the box body through a bearing, a transmission gear II and a transmission gear III are fixed on the transmission shaft, and the transmission gear I is meshed with the transmission gear II; the output shaft part comprises an output shaft connected with the box body through a bearing, an output gear is fixed on the output shaft, and the output gear is meshed with the transmission gear.
Further, the power transmission device comprises an idler wheel component, wherein power is transmitted to an output shaft component after passing through an input shaft component, a transmission shaft component and the idler wheel component;
The input shaft component comprises an input shaft connected with the box body through a bearing, and a transmission gear I is fixed on the input shaft; the transmission shaft part comprises a transmission shaft connected with the box body through a bearing, a transmission gear II and a transmission gear III are fixed on the transmission shaft, and the transmission gear I is meshed with the transmission gear II; the idler wheel component comprises an idler wheel shaft, a transmission gear IV is fixed on the idler wheel shaft, and the transmission gear IV is meshed with the transmission gear III; the output shaft part comprises an output shaft connected with the box body through a bearing, an output gear is fixed on the output shaft, and the output gear is meshed with the transmission gear.
Furthermore, the output shaft and the output gear are integrally designed.
Furthermore, the idler shaft and the transmission gear are integrally designed.
Furthermore, the input shaft and the transmission shaft are mutually perpendicular, and the first transmission gear and the second transmission gear are spiral bevel gears.
Further, the box body comprises an upper box body, a middle box body and a lower box body, and the upper box body, the middle box body and the lower box body are respectively connected and positioned by bolts and pins.
Furthermore, space rings for limiting the input shaft component are arranged in the upper box body and the middle box body.
Furthermore, hole check rings for limiting the transmission shaft part, the idler wheel part and the output shaft part are arranged in the middle box body and the lower box body.
Further, the top of the box body is provided with a ventilation cap, and the ventilation cap adopts a normally closed pressure-resistant structure.
The invention has the advantages that:
1. The inner hole of the gear box output gear shaft is in hexagonal design, the whole machine equipment can directly select applicable hexagonal steel as a transmission shaft, the position of the output shaft is low, the installation space of the whole machine equipment is saved, and a harvesting cutter head of the whole machine equipment is closer to the ground, so that the harvesting cutter head is economical and reliable;
2. the transmission gears between the input shaft and the transmission shaft are designed by adopting a spiral bevel structure, so that the operation noise is low, and each transmission gear in the gear box can be designed in a speed increasing ratio mode, so that the output rotating speed is high;
3. the ventilation cap is of a normally closed pressure-resistant structure, can be suitable for standing and placing a cutting table gear box of a mower in operation and horizontally placing the cutting table gear box in transition transportation, and can realize ventilation function and simultaneously ensure effective sealing of lubricating oil.
Drawings
FIG. 1 is a schematic view of a configuration of a mower deck gearbox according to an embodiment;
FIG. 2 is a schematic cross-sectional view of M-M of FIG. 1;
FIG. 3 is a schematic diagram of the power principle of the mower deck gearbox in an embodiment;
description of the reference numerals
A is a box body; b-an input shaft member; a C-drive shaft member; d-idler wheel components; e-an output shaft member;
1-an upper box body; 2-a middle box body; 3-lower box body; 4-a retainer ring for holes; 5-oil seal cover; 6-spacing rings; 7-a venting cap; 8-an input shaft; 9-inputting an oil seal; 10-a deep groove ball bearing I; 11-spacer bush; 12-flat key one; 13-a first transmission bevel gear; 14-a transmission bevel gear II; 15-flat key two; 16-a transmission shaft; 17-a deep groove ball bearing II; 18-flat key three; 19-a transmission gear III; 20-an inert gear shaft; 21-deep groove ball bearing III; 22-an output gear shaft; 23-deep groove ball bearing IV.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like herein indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The embodiment provides a mower header gearbox, which comprises a box body A, an input shaft component B, a transmission shaft component C, an inert wheel component D and an output shaft component E as shown in fig. 1 and 2.
The box body A comprises an upper box body 1, a middle box body 2, a lower box body 3, a check ring 4 for holes, an oil seal blank cap 5, a spacing ring 6, a ventilation cap 7 and the like. Wherein, the upper box body 1, the middle box body 2 and the lower box body 3 are respectively connected and positioned by bolts and pins. In this case a, the output shaft member E is located as low as possible in the case a, and the transmission shaft member C and the flywheel member D are used to transmit the power transmitted from the input shaft member B to the output shaft member E. The design position of the output shaft part E is low, so that the harvesting cutter head of the whole machine equipment is closer to the ground, and the requirement of a novel rotary cutting machine is met.
The upper box body 1 and the middle box body 2 are internally provided with space rings 6, and the 2 space rings 6 are used for limiting the input shaft component B so as to prevent the input shaft component B from moving; the middle box body 2 and the lower box body 3 are internally provided with a plurality of hole check rings 4, and the hole check rings 4 are respectively used for limiting the transmission shaft part C, the inert wheel part D and the output shaft part E, so that the transmission shaft part C, the inert wheel part D and the output shaft part E are prevented from moving.
The input shaft part B mainly comprises an input shaft 8, an input oil seal 9, a deep groove ball bearing I10, a spacer 11, a flat key I12, a transmission bevel gear I13 and the like. The input shaft 8 is supported and fixed on the upper box 1 and the middle box 2 by using 2 deep groove ball bearings I10, and a transmission bevel gear 13 is connected and fixed with the input shaft 8 through a flat key I12.
The transmission shaft part C mainly comprises a transmission bevel gear II 14, a flat key II 15, a transmission shaft 16, a deep groove ball bearing II 17, a flat key III 18, a transmission gear III 19 and the like. The transmission shaft component C is supported and fixed on the middle box body 2 and the lower box body 3 by using 2 deep groove ball bearings II 17, a transmission bevel gear II 14 is fixedly connected with a transmission shaft 16 through a flat key II 15, a transmission gear III 19 is connected with the transmission shaft 16 through a flat key III 18, and the transmission bevel gear II 14 is meshed with the transmission bevel gear I13. In the embodiment, the second driving bevel gear 14 and the first driving bevel gear 13 both adopt a spiral bevel gear structure, and compared with a straight bevel gear structure of a conventional mower header gearbox, the spiral bevel gear has larger meshing area and softer driving so as to reduce the running noise of the gearbox.
The inert wheel component D mainly comprises an inert gear shaft 20, three deep groove ball bearings 21 and the like, wherein the inert gear shaft 20 is supported and fixed on the middle box body (2) and the lower box body (3) by using the three deep groove ball bearings 21. In this embodiment, the inert gear shaft 20 is integrally designed with a gear shaft (corresponding to the fourth idler shaft and the fourth drive gear in the claims), so that the box body is compact and reliable. The inert gear shaft 20 is meshed with the transmission gear III 19. The inert wheel component D is used for increasing the transmission distance, so that the arrangement of the whole transmission system is more flexible and reasonable.
The output shaft component E comprises an output gear shaft 22 and four deep groove ball bearings 23, the output gear shaft 22 is supported and fixed on the middle box body 2 and the lower box body 3 by using the four 2 deep groove ball bearings 23, the output gear shaft 22 is designed in a gear shaft integrated mode (corresponding to an output shaft and an output gear in the claims), the box body is compact and reliable in structure, and an output external connection interface of the output gear shaft 22 is of an internal hexagon structure, so that the whole equipment can directly select applicable hexagonal steel as a transmission component, and the device is economical and reliable.
The top of the box body A is provided with the ventilation cap 7, the ventilation cap 7 adopts a normally closed pressure-resistant structure, the normally closed pressure-resistant structure can adapt to two different placing states of the mower header gearbox, which are horizontally placed during transferring transportation, and the effective sealing of lubricating oil is ensured while the ventilation function is realized.
The power transmission principle of the gearbox of the embodiment is shown in fig. 3:
The power is transmitted from the input shaft 8 and is transmitted to the first transmission bevel gear 13 through the first flat key 12, the first transmission bevel gear 13 transmits the power to the second transmission bevel gear 14, the second transmission bevel gear 14 transmits the power to the transmission shaft 16 through the second flat key 15, and the transmission shaft 16 transmits the power to the third transmission gear 19 through the third flat key 18; the inert gear shaft 20 is meshed with the transmission gear III 19, power is transmitted to the output gear shaft 22 which is also meshed with the inert gear shaft 20, and the output gear shaft 22 is connected with a hexagonal transmission part of the whole machine equipment through a hexagonal inner hole of the output gear shaft, so that power output is realized.
Power transmission route: input shaft 8, transmission bevel gear I13, transmission bevel gear II 14, transmission shaft 16, transmission gear III 19, inert gear shaft 20, output gear shaft 22 and output.
The above embodiments are only for illustrating the concept of the present invention and not for limiting the protection of the claims of the present invention, and all the insubstantial modifications of the present invention using the concept shall fall within the protection scope of the present invention.
Claims (10)
1. A cutting table gear box of a mower comprises a box body, wherein an input shaft component, a transmission shaft component and an output shaft component are arranged in the box body, and power is transmitted to the output shaft component after passing through the input shaft component and the transmission shaft component; the method is characterized in that:
The output shaft part is positioned at the lowest part of the box body, and the output end of the output shaft part is provided with a polygonal inner hole for connecting an external transmission part.
2. The mower deck gearbox of claim 1, wherein said input shaft member comprises an input shaft connected to the housing by bearings, a first transmission gear being fixed to the input shaft; the transmission shaft part comprises a transmission shaft connected with the box body through a bearing, a transmission gear II and a transmission gear III are fixed on the transmission shaft, and the transmission gear I is meshed with the transmission gear II; the output shaft part comprises an output shaft connected with the box body through a bearing, an output gear is fixed on the output shaft, and the output gear is meshed with the transmission gear.
3. A mower deck gearbox as recited in claim 1, comprising an idler member, wherein power is transmitted to the output shaft member via the input shaft member, the drive shaft member, and the idler member;
The input shaft component comprises an input shaft connected with the box body through a bearing, and a transmission gear I is fixed on the input shaft; the transmission shaft part comprises a transmission shaft connected with the box body through a bearing, a transmission gear II and a transmission gear III are fixed on the transmission shaft, and the transmission gear I is meshed with the transmission gear II; the idler wheel component comprises an idler wheel shaft, a transmission gear IV is fixed on the idler wheel shaft, and the transmission gear IV is meshed with the transmission gear III; the output shaft part comprises an output shaft connected with the box body through a bearing, an output gear is fixed on the output shaft, and the output gear is meshed with the transmission gear.
4. A mower deck gearbox as claimed in claim 2 or claim 3 wherein said output shaft and output gear are of a gear-shaft integrated design.
5. A mower deck gearbox as recited in claim 3, wherein said idler shaft and drive gear are of a gear shaft integrated design.
6. A mower deck gearbox as claimed in claim 2 or claim 3 wherein said input shaft and drive shaft are arranged perpendicular to each other, said first and second drive gears each being a spiral bevel gear.
7. A mower deck gearbox as recited in claim 3, wherein said housing includes an upper housing, a middle housing and a lower housing, said upper housing, middle housing and lower housing being positioned with bolts and pins, respectively.
8. The mower deck gearbox of claim 7, wherein said upper and middle housings are provided with spacers for limiting the input shaft member.
9. The mower header gearbox of claim 7, wherein hole check rings for limiting a transmission shaft component, an idler wheel component and an output shaft component are arranged in the middle box body and the lower box body.
10. The mower header gearbox of claim 1, wherein a ventilation cap is arranged at the top of the box body, and the ventilation cap adopts a normally closed pressure-resistant structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410355273.1A CN118066280A (en) | 2024-03-27 | 2024-03-27 | Mower header gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410355273.1A CN118066280A (en) | 2024-03-27 | 2024-03-27 | Mower header gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118066280A true CN118066280A (en) | 2024-05-24 |
Family
ID=91107394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410355273.1A Pending CN118066280A (en) | 2024-03-27 | 2024-03-27 | Mower header gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118066280A (en) |
-
2024
- 2024-03-27 CN CN202410355273.1A patent/CN118066280A/en active Pending
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