CN109630566B - Wet clutch unit assembly - Google Patents
Wet clutch unit assembly Download PDFInfo
- Publication number
- CN109630566B CN109630566B CN201910094239.2A CN201910094239A CN109630566B CN 109630566 B CN109630566 B CN 109630566B CN 201910094239 A CN201910094239 A CN 201910094239A CN 109630566 B CN109630566 B CN 109630566B
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- China
- Prior art keywords
- gear
- clutch
- low
- reverse
- shaft
- 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.)
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Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 239000003921 oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structure Of Transmissions (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
The invention discloses a wet clutch unit assembly, wherein a high-grade clutch and a reverse gear clutch are symmetrically arranged on a second intermediate shaft, a low-grade clutch and a PTO clutch are symmetrically arranged on an input shaft, a constant-mesh driving gear and a low-grade driving gear are arranged on the input shaft, and a constant-mesh driven gear, a reverse gear driving gear and a high-grade driving gear are all arranged on the second intermediate shaft; the reverse driven gear and the idler wheel are both arranged on the first intermediate shaft; the high/low gear driven gear is arranged on the power output shaft; the constant-meshed driving gear is meshed with the constant-meshed driven gear; the low-gear driving gear is meshed with the reverse gear driven gear, the high-gear driving gear is meshed with the high/low-gear driven gear, and the carrier wheel is meshed with the high/low-gear driven gear. The method is characterized in that: the power transmission route is the same as the traditional transmission route, so that the direct replacement is convenient, the cost is saved, meanwhile, the hydraulic pipeline can be shortened, the electrohydraulic control signal is intensively processed, and the reliability and the working efficiency of a transmission control system can be improved.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery transmission, and particularly relates to a wet clutch unit assembly.
Background
With the increasing pace of agricultural modernization, conventional mechanically shifted tractors have failed to meet the current market demands, and powershift tractors have grown to operate primarily on powershift transmission systems where wet clutches are a critical component assembly.
In the current tractor power shift transmission system, the high and low gear wet clutches, the reverse gear wet clutch, the PTO wet clutch and the like are more, and the arrangement is more dispersed, so that the following problems are caused: 1. because the hydraulic pipeline is longer, the hydraulic oil is easy to pollute, and meanwhile, the transmission efficiency is lower, 2, the centralized arrangement of hydraulic valves is not facilitated, and the electrohydraulic control fault is frequent. For this reason, it is necessary to design a compact, self-contained wet clutch unit assembly.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a wet clutch unit assembly, wherein the power transmission route of the wet clutch unit assembly is the same as the traditional transmission route, so that the wet clutch unit assembly is convenient to directly replace and saves cost, meanwhile, the hydraulic pipeline can be shortened, the electrohydraulic control signal is intensively processed, and the reliability and the working efficiency of a transmission control system can be improved.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a wet clutch unit assembly comprises a low-gear clutch, a high-gear clutch, a reverse gear clutch and a PTO clutch; the power transmission device comprises an input shaft, a power output shaft, a PTO shaft, a first intermediate shaft and a second intermediate shaft; a constant mesh driving gear, a constant mesh driven gear, a reverse gear driving gear, a low gear driving gear, a high gear driving gear, a reverse gear driven gear, a carrier wheel and a high/low gear driven gear; the high-speed clutch and the reverse clutch are symmetrically arranged and are both arranged on the second intermediate shaft, the low-speed clutch and the PTO clutch are symmetrically arranged and are both arranged on the input shaft, the PTO shaft is connected with the tail end of the input shaft, the power output shaft is sleeved on the PTO shaft in an empty mode, the axes of the input shaft, the power output shaft and the PTO shaft are the same axis, the Chang Niege driving gear and the low-speed driving gear are arranged on the input shaft, and the constant-meshed driven gear, the reverse driving gear and the high-speed driving gear are all arranged on the second intermediate shaft; the reverse driven gear and the idler wheel are both arranged on the first intermediate shaft; the high/low gear driven gear is arranged on the power output shaft; the Chang Niege driving gear is meshed with the constant meshed driven gear; the reverse gear driving gear is meshed with the reverse gear driven gear, the low-gear driving gear is meshed with the reverse gear driven gear, the high-gear driving gear is meshed with the high/low-gear driven gear, and the carrier wheel is meshed with the high/low-gear driven gear.
Further, the reverse driving gear, the reverse driven gear and the low-gear driving gear are arranged in a triangle.
Further, the high-grade driving gear, the high/low-grade driven gear engagement and the carrier wheel are arranged in a triangle.
Further, a wet clutch housing is included, and the low clutch, the high clutch, the reverse clutch, and the PTO clutch are all located within the wet clutch housing.
Further, the connection of the two center shafts and the 3 center centers formed by the cross section of the input shaft or the two center shafts and the 3 center centers formed by the cross section of the power output shaft or the two center shafts and the 3 center centers formed by the cross section of the PTO shaft and the power output shaft is triangle.
Further, the high/low gear clutch, the reverse gear clutch and the PTO clutch all adopt wet multi-plate clutch structures.
By adopting the structure, compared with the prior art, the invention has the following advantages:
1. the power shift transmission route is consistent with the transmission route of mechanical shift, so that when the clutch unit assembly is adopted to replace a mechanical shift device, the gearbox is not required to be modified, the replacement is convenient, and the cost can be reduced.
2. The invention concentrates the four clutches, namely the low-gear clutch, the high-gear clutch, the reverse gear clutch and the PTO clutch, in the wet clutch box body, has more compact structure, shortens the hydraulic pipeline, reduces the oil path loss and the oil pollution probability, prolongs the service life of the clutch, is beneficial to the arrangement of electrohydraulic control on a valve block, improves the reliability of the hydraulic element, and is convenient for the adjustment of parameters.
Drawings
Fig. 1 is a schematic development of the structure of the present invention.
Fig. 2 is a schematic illustration of the input or power take-off or PTO shaft and first and second intermediate shafts of the present invention in terms of their positional relationship.
Fig. 3 is a schematic diagram of the positional relationship of the constant mesh driving gear and the constant mesh driven gear of the present invention.
Fig. 4 is a schematic diagram of the positional relationship of the reverse drive gear, the low-range drive gear, and the reverse driven gear of the present invention.
Fig. 5 is a schematic diagram of the positional relationship of the high-stage driving gear, the carrier 120, and the high/low-stage driven gear 130 of the present invention.
Reference numerals: A. low range clutch b, high range clutch c, reverse clutch d, pto clutch 10, input shaft 20, power output shaft 30, pto shaft 40, first countershaft 50, second countershaft 60, normally meshed driving gear 70, normally meshed driven gear 80, reverse driving gear 90, low range driving gear 100, high range driving gear 110, reverse driven gear 120, idler 130, high/low range driven gear 140, wet clutch case
Detailed Description
The following description is of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, which is further described with reference to the accompanying drawings and examples.
Examples, see fig. 1 to 5: a wet clutch unit assembly, comprising a low gear clutch A, a high gear clutch B and a reverse gear clutch C, PTO clutch D; an input shaft 10, a power take-off shaft 20, a PTO shaft 30, a first intermediate shaft 40, a second intermediate shaft 50; a constant mesh driving gear 60, a constant mesh driven gear 70, a reverse gear driving gear 80, a low gear driving gear 90, a high gear driving gear 100, a reverse gear driven gear 110, a carrier 120, and a high/low gear driven gear 130; wherein the high-gear clutch B and the reverse gear clutch C are symmetrically arranged and are both arranged on the second intermediate shaft 50, wherein the low-gear clutch A and the PTO clutch D are symmetrically arranged and are both arranged on the input shaft 10, wherein the PTO shaft 30 is connected with the tail end of the input shaft 10, wherein the power output shaft 20 is sleeved on the PTO shaft 30 in a hollow manner, and wherein the axes of the input shaft 10, the power output shaft 20 and the PTO shaft 30 are the same axis; wherein the constant mesh driving gear 60 and the low range driving gear 90 are mounted on the input shaft 10, wherein the constant mesh driven gear 70, the reverse range driving gear 80 and the high range driving gear 100 are all mounted on the second intermediate shaft 50; wherein the reverse driven gear 110 and the idler gear 120 are both mounted on the first intermediate shaft 40; wherein a high/low range driven gear 130 is mounted on the power take-off shaft 20, wherein the normally meshed driving gear 60 is meshed with the normally meshed driven gear 70; wherein the low-range driving gear 90 is meshed with the reverse driven gear 110, wherein the high-range driving gear 100 is meshed with the high/low-range driven gear 130, and wherein the carrier 120 is meshed with the high/low-range driven gear 130.
As shown in fig. 4: the reverse driving gear 80, the reverse driven gear 110 and the low-gear driving gear 90 are arranged in a triangle.
As shown in fig. 5: the three of the high-stage driving gear 100, the high/low-stage driven gear 130 and the idler gear 120 are arranged in a triangle, so that the structure is more compact and the volume is reduced.
Further, a wet clutch housing 140 is included, wherein a low clutch a, a high clutch B, a reverse clutch C, and a PTO clutch D are all located within the wet clutch housing 140; the structure is more compact, the oil way loss and the oil pollution probability of the hydraulic pipeline are reduced, the service life of the clutch is prolonged, the electrohydraulic control layout on one valve block is facilitated, the reliability of the hydraulic element is improved, and the parameter adjustment is facilitated.
As shown in fig. 2: the connection of 3 circle centers formed by the cross sections of the first intermediate shaft 40, the second intermediate shaft 50 and the input shaft 10 or the connection of 3 circle centers formed by the cross sections of the first intermediate shaft 40, the second intermediate shaft 50 and the power output shaft 20 or the connection of 3 circle centers formed by the cross sections of the first intermediate shaft 40, the second intermediate shaft 50 and the PTO shaft 30 is triangular, so that the structure is more compact, the volume is smaller, and the space is saved.
Further, wherein PTO shaft 30 is disposed in a splined bore of PTO clutch D.
Further, the high/low clutch a and the reverse clutch C, PTO clutch D each adopt a wet multi-plate clutch structure.
The specific power transmission route is as follows:
power low range transmission roadmap: the power input shaft 10, the low-gear clutch A is engaged, the low-gear driving gear 90, the reverse driven gear 110, the carrier 120, the high/low-gear driven gear 130 and the power output shaft 20, wherein the low-gear clutch A is engaged, the high-gear clutch B and the reverse clutch C are disengaged, and the PTO clutch D is disengaged or engaged can be switched arbitrarily.
Power high-range transmission route map: power input shaft 10→constant mesh driving gear 60→constant mesh driven gear 70→high clutch B engaged→high gear driving gear 100→high/low gear driven gear 130→power output shaft 20; wherein the high-gear clutch B is engaged, the low-gear clutch A and the reverse gear clutch C are disengaged, and the PTO clutch D is disengaged or engaged can be switched arbitrarily.
Power reverse transmission roadmap: the power input shaft 10, the normally meshed driving gear 60, the normally meshed driven gear 70, the reverse gear clutch C, the reverse gear driving gear 80, the reverse gear driven gear 110, the carrier 120, the high/low gear driven gear 130 and the power output shaft 20, wherein the reverse gear clutch C is connected, the low gear clutch A and the high gear clutch B are disconnected, and the PTO clutch D is disconnected or connected can be switched arbitrarily.
PTO power take off transmission roadmap: power input shaft 10→pto clutch D engaged→pto shaft 30; wherein the engagement and disengagement of the PTO clutch D is not affected by the engagement and disengagement of the low-gear clutch A, the high-gear clutch B and the reverse gear clutch C, and works independently.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (4)
1. A wet clutch unit assembly comprises a low-gear clutch, a high-gear clutch, a reverse gear clutch and a PTO clutch; the power transmission device comprises an input shaft, a power output shaft, a PTO shaft, a first intermediate shaft and a second intermediate shaft; a constant mesh driving gear, a constant mesh driven gear, a reverse gear driving gear, a low gear driving gear, a high gear driving gear, a reverse gear driven gear, a carrier wheel and a high/low gear driven gear; the method is characterized in that: the high-speed clutch and the reverse clutch are symmetrically arranged and are both arranged on the second intermediate shaft, the low-speed clutch and the PTO clutch are symmetrically arranged and are both arranged on the input shaft, the PTO shaft is connected with the tail end of the input shaft, the power output shaft is sleeved on the PTO shaft in an empty mode, the axes of the input shaft, the power output shaft and the PTO shaft are the same axis, the Chang Niege driving gear and the low-speed driving gear are arranged on the input shaft, and the constant-meshed driven gear, the reverse driving gear and the high-speed driving gear are all arranged on the second intermediate shaft; the reverse driven gear and the idler wheel are both arranged on the first intermediate shaft; the high/low gear driven gear is arranged on the power output shaft; the Chang Niege driving gear is meshed with the constant meshed driven gear; the reverse gear driving gear is meshed with the reverse gear driven gear, the high-gear driving gear is meshed with the high/low-gear driven gear, and the carrier wheel is meshed with the high/low-gear driven gear;
the clutch comprises a wet clutch box body, wherein a low-gear clutch, a high-gear clutch, a reverse gear clutch and a PTO clutch are all positioned in the wet clutch box body;
the low-gear clutch, the high-gear clutch, the reverse gear clutch and the PTO clutch all adopt wet multi-plate clutch structures.
2. A wet clutch unit assembly as set forth in claim 1 wherein: the reverse gear driving gear, the reverse gear driven gear and the low-gear driving gear are arranged in a triangle.
3. A wet clutch unit assembly according to any one of the preceding claims 1, wherein: the high-grade driving gear, the high/low-grade driven gear engagement and the carrier wheel are arranged in a triangle.
4. A wet clutch unit assembly as set forth in claim 1 wherein: the connection of the two centers of 3 formed by the cross sections of the intermediate shaft and the input shaft or the two centers of 3 formed by the cross sections of the intermediate shaft and the power output shaft or the two centers of 3 formed by the cross sections of the PTO shaft and the power output shaft is triangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910094239.2A CN109630566B (en) | 2019-01-30 | 2019-01-30 | Wet clutch unit assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910094239.2A CN109630566B (en) | 2019-01-30 | 2019-01-30 | Wet clutch unit assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109630566A CN109630566A (en) | 2019-04-16 |
| CN109630566B true CN109630566B (en) | 2024-04-05 |
Family
ID=66064453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910094239.2A Active CN109630566B (en) | 2019-01-30 | 2019-01-30 | Wet clutch unit assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109630566B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939696B (en) * | 2019-12-19 | 2023-09-12 | 江苏常发农业装备股份有限公司 | Power reversing speed change assembly and high-low gear reversing system |
| CN114962636B (en) * | 2022-05-07 | 2023-05-30 | 陈正华 | Tractor intelligent control clutch assembly |
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| CN109630566A (en) | 2019-04-16 |
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Effective date of registration: 20240307 Address after: No.22, Qianxi Road, Wenling City, Taizhou City, Zhejiang Province Applicant after: ZHEJIANG HAITIAN MACHINERY Co.,Ltd. Country or region after: Zhong Guo Address before: No. 110, Sujia north, Heping Village, RuoHeng Town, Wenling City, Taizhou City, Zhejiang 317500 Applicant before: Chen Qi Country or region before: Zhong Guo |
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