CN201672001U - Intermediate transmission box applicable to high-power tractor - Google Patents
Intermediate transmission box applicable to high-power tractor Download PDFInfo
- Publication number
- CN201672001U CN201672001U CN2010201258516U CN201020125851U CN201672001U CN 201672001 U CN201672001 U CN 201672001U CN 2010201258516 U CN2010201258516 U CN 2010201258516U CN 201020125851 U CN201020125851 U CN 201020125851U CN 201672001 U CN201672001 U CN 201672001U
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- output
- gear
- shaft
- input
- output shaft
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Abstract
The utility model relates to an intermediate transmission box, in particular to an intermediate transmission box provided with an auxiliary output mechanism and applicable to a high-power tractor. An input mechanism, an output mechanism and the auxiliary output mechanism are arranged in a box body, wherein the input mechanism comprises an input shaft, an input coupling is connected to one end of the input shaft, and an input gear is sleeved inside the input shaft in the box body; the output mechanism comprises an output shaft, an output coupling is connected to one end of the output shaft, an oil distribution base assembly is arranged at the other end of the output shaft in the box body, and a wet-type clutch and an output gear are sleeved on the output shaft; the auxiliary output mechanism comprises an auxiliary output shaft, and an auxiliary output gear is sleeved in the auxiliary output shaft; and the input gear is engaged with the output gear, and the output gear is engaged with the auxiliary output gear. Accordingly, the intermediate transmission box of the utility model has the advantages of simple structure, high adaptability, convenient fabrication and maintenance and low noise.
Description
Technical field
The utility model is a kind of middle driving box, particularly a kind of middle driving box that is used for big-power tractor that has auxiliary output mechanism.
Background technique
The transmission device of big-power tractor of the prior art, in having followed, the conventional construction of light tractor, the component of various difference in functionality effects, be combined in the transmission case as speed changer, transfer case, ransaxle, wet clutch, power output etc.There is operation inconvenience, is difficult to problems such as maintenance service, part processing difficulty, do not satisfied the demand of present domestic big-power tractor fast development.
Chinese patent CN201267094, disclose a kind of with drag supporting large-scale rotary cultivator middle driving box greatly, comprise middle housing, be characterized in, be provided with bevel gear shaft in the middle housing, and in middle housing, laterally be provided with two, three and transition axis successively, bevel gear shaft is provided with bevel pinion, be respectively equipped with two horizontal gear bevel gear wheels and three horizontal gears on two, three, transition axis is provided with transition gear, the bottom of middle housing is provided with the cutter shaft splined shaft, and the cutter shaft splined shaft is provided with knife shaft gear and cutter shaft land.The described middle driving box of this model utility, volume ratio is bigger, can not effectively regulate or strengthens the installation and maintenance inconvenience rotating speed.
Summary of the invention
The utility model mainly is to solve the deficiencies in the prior art, and the middle driving box that is used for big-power tractor of the independent full helical teeth engagement driving of a kind of fixed shaft type is provided.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
A kind of middle driving box that is used for big-power tractor, comprise casing and case lid, casing and case lid fix cooperation, comprise input mechanism, output mechanism and auxiliary output mechanism in the casing, described input mechanism comprises input shaft, one end of input shaft is connected with input coupling, is with the input gear in the input shaft in the casing; Described output mechanism comprises output shaft, and output shaft one end is connected with the output shaft coupling, and the other end of the output shaft in the casing is provided with the oil distribution seat assembly, is with wet clutch and output gear on the output shaft; Described auxiliary output mechanism comprises auxiliary output shaft, is with auxiliary output gear in the auxiliary output shaft; Described input gear is meshed with output gear, and output gear is meshed with auxiliary output gear.
Main transmission is the one-level gearing down, can by with the demand of different capacity Engine Matching, realize the output of different speed ratios, constituting maximum input torque is 700N.m, ratio coverage is selectable structure in 1.4～1.9 scopes, have that performance is many, processing is easy, maintenance service is convenient, applicability wide (can mate 120～200 horsepowers big-power tractor), can be with three advantages such as oil pump, can satisfy the growth requirement of present domestic big-power tractor preferably.
After power is imported by input coupling, through input shaft, the input gear transmission to output gear, when the connection of oil distribution seat assembly pressure oil, under the pressure oil effect, Piston Compression return spring in the wet clutch, friction plate engages, and this moment is by the spline effect on the output gear, output gear, wet clutch, output shaft are a rigid unitary, and power is via output gear, wet clutch, output shaft, the output of output shaft coupling; When the closing of oil distribution seat assembly pressure oil, under the return spring effect, friction plate separates in wet clutch, output gear idle running under the deep groove ball bearing supporting, and outputting power disconnects.
Simultaneously, auxiliary output gear is meshed with output gear, and under it drove, power was through input shaft, input gear, output gear, the auxiliary output shaft of auxiliary output gear, with the rotating speed rotation identical with input shaft.The rear end of input shaft and the two ends of auxiliary output shaft have the oil pump interface, and shaft end seal adopts the oil sealing plate structure of endoporus oil sealing cylindrical O shape circle, can add oil loading pump by actual demand, satisfies the different functions of big-power tractor complete machine.
As preferably, the two ends of the input shaft in the described input mechanism are with the input roller bearing respectively, and described input shaft is provided with spline, and the input gear fixes by spline and input shaft; The two ends of the output shaft in the described output mechanism are with the output roller bearing respectively; The two ends of the auxiliary output shaft in the described auxiliary output mechanism are with auxiliary output roller bearing respectively; Auxiliary output shaft is provided with auxiliary output spline, and auxiliary output gear fixes by auxiliary output spline and auxiliary output shaft.
As preferably, be provided with deep ball ditch bearing between described output gear and output shaft; One end of described auxiliary output shaft is socketed with the oil sealing plate.
As preferably, be respectively equipped with two groups of deep ball ditch bearings between described output gear and output shaft, two groups of deep ball ditch bearings and output gear and output shaft are complementary.
As preferably, described output shaft, wet clutch and output gear are integrated.
As preferably, two ends of described input shaft one end and auxiliary output shaft are respectively equipped with the oil pump interface.
As preferably, an end of described input shaft is located in the casing, and the other end is located in the case lid; One end of described output shaft is located in the casing, and the other end is located in the case lid; One end of described auxiliary output shaft is located in the casing, and the other end is located in the case lid.
As preferably, described casing and case lid fix by bolt.
As preferably, described output mechanism and auxiliary output mechanism parallel thirty years of age.
As preferably, described input gear and output gear are the helical gear engagement, and output gear and auxiliary output gear are the helical gear engagement.
Therefore, the middle driving box that is used for big-power tractor that the utility model provides, simple in structure, adaptability is strong, processes easyly, easy to maintenance, and noise is low.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an A-A sectional structure schematic representation among Fig. 1.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: as depicted in figs. 1 and 2, a kind of middle driving box that is used for big-power tractor, comprise casing 1 and case lid 2, casing 1 and case lid 2 fix by bolt 21, comprise input mechanism in the casing 1, output mechanism and auxiliary output mechanism, described input mechanism comprises input shaft 3, one end of input shaft 3 is connected with input coupling 4, be with input gear 5 in the input shaft 3 in the casing 1, the two ends of input shaft 3 are with input roller bearing 13 respectively, and described input shaft 3 is provided with spline 14, and input gear 5 fixes by spline 14 and input shaft 3, one end of input shaft 3 is located in the casing 1, and the other end is located in the case lid 2; Described output mechanism comprises output shaft 6, output shaft 6 one ends are connected with output shaft coupling 7, the other end of the output shaft 6 in the casing 1 is provided with oil distribution seat assembly 8, be with wet clutch 9 and output gear 10 on the output shaft 6, the two ends of output shaft 6 are with output roller bearing 15 respectively, output shaft 6, wet clutch 9 and output gear 10 are integrated, and an end of output shaft 6 is located in the casing 1, and the other end is located in the case lid 2; Described auxiliary output mechanism comprises auxiliary output shaft 11, be with auxiliary output gear 12 in the auxiliary output shaft 11, the two ends of auxiliary output shaft 11 are with auxiliary output roller bearing 16 respectively, 6 of output gear 15 and output shafts are respectively equipped with two groups of deep ball ditch bearings 18, two groups of deep ball ditch bearings 18 are complementary with output gear 10 and output shaft 6, auxiliary output shaft 11 is provided with auxiliary output spline 17, auxiliary output gear 12 fixes with auxiliary output shaft 11 by auxiliary output spline 17, one end of auxiliary output shaft 11 is socketed with oil sealing plate 19, one end of auxiliary output shaft 11 is located in the casing 1, and the other end is located in the case lid 2; Output mechanism and auxiliary output mechanism parallel thirty years of age, two ends of input shaft 3 one ends and auxiliary output shaft 11 are respectively equipped with oil pump interface 20, described input gear 5 is meshed with output gear 10, output gear 10 is meshed with auxiliary output gear 12, input gear 5 and output gear 10 are the helical gear engagement, and output gear 10 and auxiliary output gear 12 are the helical gear engagement.
Claims (10)
1. middle driving box that is used for big-power tractor, comprise casing (1) and case lid (2), casing (1) and case lid (2) fix cooperation, it is characterized in that: casing comprises input mechanism, output mechanism and auxiliary output mechanism in (1), described input mechanism comprises input shaft, one end of input shaft is connected with input coupling (4), is with input gear (5) in the input shaft (3) in the casing (1); Described output mechanism comprises output shaft (6), output shaft (6) one ends are connected with output shaft coupling (7), the other end of the output shaft (6) in the casing (1) is provided with oil distribution seat assembly (8), is with wet clutch (9) and output gear (10) on the output shaft (6); Described auxiliary output mechanism comprises auxiliary output shaft (11), is with auxiliary output gear (12) in the auxiliary output shaft (11); Described input gear (5) is meshed with output gear (10), and output gear (10) is meshed with auxiliary output gear (12).
2. the middle driving box that is used for big-power tractor according to claim 1, it is characterized in that: the two ends of the input shaft in the described input mechanism (3) are with input roller bearing (13) respectively, described input shaft (3) is provided with spline (14), and input gear (5) fixes by spline (14) and input shaft (3); The two ends of the output shaft in the described output mechanism (6) are with output roller bearing (15) respectively; The two ends of the auxiliary output shaft (11) in the described auxiliary output mechanism are with auxiliary output roller bearing (16) respectively; Auxiliary output shaft (11) is provided with auxiliary output spline (17), and auxiliary output gear (12) fixes by auxiliary output spline (17) and auxiliary output shaft (11).
3. the middle driving box that is used for big-power tractor according to claim 1 and 2 is characterized in that: be provided with deep ball ditch bearing (18) between described output gear (10) and output shaft (6); One end of described auxiliary output shaft (11) is socketed with oil sealing plate (19).
4. the middle driving box that is used for big-power tractor according to claim 3, it is characterized in that: be respectively equipped with two groups of deep ball ditch bearings (18) between described output gear (10) and output shaft (6), two groups of deep ball ditch bearings (18) are complementary with output gear (10) and output shaft (6).
5. the middle driving box that is used for big-power tractor according to claim 1 and 2 is characterized in that: described output shaft (6), wet clutch (9) and output gear (10) are integrated.
6. the middle driving box that is used for big-power tractor according to claim 1 and 2 is characterized in that: two ends of described input shaft (3) one ends and auxiliary output shaft (11) are respectively equipped with oil pump interface (20).
7. the middle driving box that is used for big-power tractor according to claim 1 and 2 is characterized in that: an end of described input shaft (3) is located in the casing (1), and the other end is located in the case lid (2); One end of described output shaft (6) is located in the casing (1), and the other end is located in the case lid (2); One end of described auxiliary output shaft (11) is located in the casing (1), and the other end is located in the case lid (2).
8. the middle driving box that is used for big-power tractor according to claim 1 and 2 is characterized in that: described casing (1) and case lid (2) fix by bolt (21).
9. the middle driving box that is used for big-power tractor according to claim 1 and 2 is characterized in that: described output mechanism and auxiliary output mechanism parallel thirty years of age.
10. the middle driving box that is used for big-power tractor according to claim 1 and 2 is characterized in that: described input gear (5) and output gear (10) are the helical gear engagement, and output gear (10) and auxiliary output gear (12) are the helical gear engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201258516U CN201672001U (en) | 2010-03-09 | 2010-03-09 | Intermediate transmission box applicable to high-power tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201258516U CN201672001U (en) | 2010-03-09 | 2010-03-09 | Intermediate transmission box applicable to high-power tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201672001U true CN201672001U (en) | 2010-12-15 |
Family
ID=43329413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201258516U Expired - Lifetime CN201672001U (en) | 2010-03-09 | 2010-03-09 | Intermediate transmission box applicable to high-power tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201672001U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761610A (en) * | 2010-03-09 | 2010-06-30 | 杭州欣农传动技术有限公司 | Intermediate transmission case for high-power tractor |
| CN103847510A (en) * | 2014-03-11 | 2014-06-11 | 山东华山拖拉机制造有限公司 | Direct connection transmission transverse shaft type gearbox assembly and tractor with gearbox assembly |
-
2010
- 2010-03-09 CN CN2010201258516U patent/CN201672001U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761610A (en) * | 2010-03-09 | 2010-06-30 | 杭州欣农传动技术有限公司 | Intermediate transmission case for high-power tractor |
| CN103847510A (en) * | 2014-03-11 | 2014-06-11 | 山东华山拖拉机制造有限公司 | Direct connection transmission transverse shaft type gearbox assembly and tractor with gearbox assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101215 Effective date of abandoning: 20120502 |