CN202188071U - Transfer case - Google Patents
Transfer case Download PDFInfo
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- CN202188071U CN202188071U CN2011202938136U CN201120293813U CN202188071U CN 202188071 U CN202188071 U CN 202188071U CN 2011202938136 U CN2011202938136 U CN 2011202938136U CN 201120293813 U CN201120293813 U CN 201120293813U CN 202188071 U CN202188071 U CN 202188071U
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- transfer case
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Abstract
The utility model discloses a transfer case, which comprises a case body, an input shaft, a drive shaft, a plurality of output shafts arranged in the case body, and external hydraulic pumps, wherein the input shaft is arranged in the case body, and the input end of the input shaft extends out of the front side of the case body; the drive shaft is arranged in the case body, is coaxial with the input shaft, and is provided with an input gear, and the drive shaft and the input shaft are connected by a clutch; the output shaft is provided with an output gear meshed with the input gear; and the external hydraulic pumps are arranged on the outer side of the case body, and are connected with the output shaft. The utility model can separately or simultaneously output power to drive a plurality of external hydraulic pumps, the power transmission capacity of the power train is large, the working is stable, and the transfer case can meet the functional requirement of multi-output. Meanwhile, the input shaft is provided with the clutch, so the transfer case can timely disconnect the power train under the special condition of the failure of the main machine, and the safety and reliability of the working of the external hydraulic pump can be efficiently ensured.
Description
Technical field
The utility model relates to the special boat technical field, the transfer case of particularly a kind of high security and reliability.
Background technique
Transfer case actuating unit commonly used when being floating pile driver, special boat operation such as dredging dredger etc. is used to drive a plurality of oil hydraulic pumps and works simultaneously.In order to satisfy the power transmission demand of each hydraulic system of special boat, just need carry out power division through transfer case, therefore, transfer case is the key of maintaining whole power system.
Yet existing transfer case exists topology layout unreasonable, and load bearing capacity is little, and the between cog load is big, and impact noise is big in the time of can causing gearshift, defectives such as gear-box weak point in working life.Simultaneously; Usually directly connect with elastic coupling between motor and transmission system; When emergencies such as motor breaks down, transfer case can't in time break off power train, causes transfer case and oil hydraulic pump to be disabled rate ground and operates or be damaged; Therefore reliability and Security are all relatively poor, are difficult to satisfy the requirement of special boat hydraulic system applying working condition.
Therefore, how in particular cases in time break off power train,, become the important technological problems that those skilled in the art need to be resolved hurrily to guarantee the Security and the reliability of hydraulic pump works in hostdown etc.
The model utility content
In view of this, the utility model provides a kind of transfer case, in particular cases in time to break off power train in hostdown etc., to guarantee the Security and the reliability of hydraulic pump works.
For realizing above-mentioned purpose, the utility model provides following technological scheme:
A kind of transfer case comprises:
Casing;
Be arranged at the input shaft in the said casing, its input end stretches out the front side of said casing;
Be arranged in the said casing, and with the transmission shaft of said input shaft coaxial arrangement, which is provided with the input gear, said transmission shaft links to each other through clutch with said input shaft;
Be arranged at the some output shafts in the said casing, which is provided with output gear with said input gear engagement;
External oil hydraulic pump, it is arranged at the said casing outside, and links to each other with said output shaft.
Preferably, in above-mentioned transfer case, the input end of said input shaft is provided with the input flange dish.
Preferably, in above-mentioned transfer case, the input end of said input shaft and said external oil hydraulic pump lay respectively at the both sides of said casing.
Preferably, in above-mentioned transfer case, said output shaft is four, and said external oil hydraulic pump also is four, and corresponding with it respectively said output shaft links to each other.
Preferably, in above-mentioned transfer case, four said output shafts are arranged in respectively on the level left side of said transmission shaft, horizontal right side, the upper left and upper-right position.
Preferably, in above-mentioned transfer case, the outside of said casing is provided with the output case, and four said external oil hydraulic pumps are mounted to the said output case corresponding with it respectively.
Preferably, in above-mentioned transfer case, said external oil hydraulic pump links to each other with said output shaft through spline.
Preferably, in above-mentioned transfer case, also comprise:
Oil pump shaft, it is inserted in the center hole of said transmission shaft, and front end links to each other with said input shaft, and the rear end is arranged with oil pump drive gear;
Be arranged at the oil pump in the said casing outside, its output shaft is provided with the oil pump driven gear with said oil pump drive gear engagement.
Preferably, in above-mentioned transfer case, the front end of said oil pump shaft is connected through spline with said input shaft, and said oil pump drive gear is arranged on the said oil pump shaft through flat key.
Can find out that from above-mentioned technological scheme the transfer case that the utility model provides comprises: casing; Be arranged at the input shaft in the said casing, its input end stretches out the front side of said casing; Be arranged in the said casing, and with the transmission shaft of said input shaft coaxial arrangement, which is provided with output gear, said transmission shaft links to each other through clutch with said input shaft; Be arranged at the some output shafts in the said casing, which is provided with input gear with said output gear engagement; External oil hydraulic pump, it is arranged at the said casing outside, and links to each other with said output shaft.
Based on above-mentioned setting, the clutch of the utility model plays the effect of transmitting or cutting off power.During use; Input shaft connects with engine flywheel through highly elastic shaft coupling, and when the clutch on the input shaft was in jointing state, input shaft drove the transmission shaft rotation through clutch; Transmission shaft is through output gear and input gear meshing; Drive each output gear counterrotating, thereby power is passed to each external oil hydraulic pump through each output shaft, drive its work.
The utility model is a power with the separate unit motor, and outputting power is to drive a plurality of external oil hydraulic pumps individually or simultaneously, and this power train power transmission capacity is big, stable working, and make transfer case reach the functional requirement of many outputs.Simultaneously, clutch is set on input shaft, can makes transfer case in particular cases in time break off power train, effectively guaranteed the Security and the reliability of external hydraulic pump works in hostdown etc.; Aspect the capacity of cabin, under the identical power configuration, the utility model has been saved external oil hydraulic pump installing space, has increased load space; Saved the independent fuel tank that is provided with for each external oil hydraulic pump, cost is comparatively economical, can also cut down the consumption of energy and reduces pollution.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The main TV structure schematic representation of the transfer case that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the sectional structure schematic representation of Fig. 1 along the A-A face;
Fig. 3 is the partial enlarged drawing of A among Fig. 2;
Fig. 4 is the partial enlarged drawing of B among Fig. 2;
The drive mechanism schematic representation of the transfer case that Fig. 5 provides for the utility model embodiment.
Embodiment
The utility model discloses a kind of transfer case, in particular cases in time to break off power train in hostdown etc., to guarantee the Security and the reliability of hydraulic pump works.
To combine the accompanying drawing among the utility model embodiment below, the technological scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1-Fig. 4, the main TV structure schematic representation of the transfer case that Fig. 1 provides for the utility model embodiment; Fig. 2 is the sectional structure schematic representation of Fig. 1 along the A-A face; Fig. 3 is the partial enlarged drawing of A among Fig. 2; Fig. 4 is the partial enlarged drawing of B among Fig. 2.
The transfer case that the utility model embodiment provides comprises casing 1, input shaft 6, transmission shaft 8, output shaft 13 and external oil hydraulic pump 15.Wherein, input shaft 6 is arranged in the casing 1, and its input end stretches out the front side of casing 1, and its input end is used for linking to each other with motor, realizes the input of power.
The quantity of output shaft 13 can be provided with as required, and each output shaft 13 is arranged in the casing 1, which is provided with and import the output gear 12 of gear 11 engagement, and then the rotation through input shaft 6 can drive each output shaft 13 and be rotated, with outputting power.External oil hydraulic pump 15 is arranged at casing 1 outside, and links to each other with output shaft 13, through the rotation of output shaft 13, drives external oil hydraulic pump 15 work.
The clutch 7 of the utility model plays the effect of transmitting or cutting off power.During use; Input shaft 6 connects with engine flywheel through highly elastic shaft coupling, and when the clutch on the input shaft 67 was in jointing state, input shaft 6 drove transmission shaft 8 rotations through clutch 7; Transmission shaft 8 is through the engagement of output gear 12 with input gear 11; Drive each output gear 12 counterrotatings, thereby power is passed to each external oil hydraulic pump 15 through each output shaft 13, drive its work.
The utility model is a power with the separate unit motor, and outputting power is to drive a plurality of external oil hydraulic pumps 15 individually or simultaneously, and this power train power transmission capacity is big, stable working, and make transfer case reach the functional requirement of many outputs.Simultaneously, clutch 7 is set on input shaft, can makes transfer case in particular cases in time break off power train, effectively guaranteed the Security and the reliability of external hydraulic pump works in hostdown etc.; Aspect the capacity of cabin, under the identical power configuration, the utility model has been saved external oil hydraulic pump installing space, has increased load space; Saved the independent fuel tank that is provided with for each external oil hydraulic pump, cost is comparatively economical, can also cut down the consumption of energy and reduces pollution.
The input end of input shaft 6 is provided with input flange dish 5, is connected through highly elastic shaft coupling with engine flywheel by this input flange dish 5.For make structure more compact, further reduce own vol, the input end of input shaft 6 and external oil hydraulic pump 15 lay respectively at the both sides of casing 1.
As shown in Figure 5, for make structure more compact, further reduce own vol, four output shafts 13 are arranged in respectively on the level left side of transmission shaft 8, horizontal right side, the upper left and upper-right position.The parallel axes of wherein upper left output shaft 13 and top-right output shaft 13, and the line of two output shafts 13 on level left side and horizontal right side is parallel with the line of top-right output shaft 13 with the upper left side.
The outside of casing 1 is provided with 14, four external oil hydraulic pumps 15 of output case and is mounted to the output case 14 corresponding with it respectively, and external oil hydraulic pump 15 links to each other with output shaft 13 through spline.
In order further to optimize technique scheme, the disclosed transfer case of the utility model embodiment also comprises oil pump shaft 9 and oil pump 22.Oil pump 22 is set is used to the working oil that transfer case provides lubricant oil and clutch.Oil pump shaft 9 is inserted in the center hole of transmission shaft 8, and front end links to each other with input shaft 6, and the rear end is arranged with oil pump drive gear 20, and oil pump 20 is arranged at the outside of casing 1, and its output shaft is provided with the oil pump driven gear 21 with oil pump drive gear 20 engagements.Oil pump 22 can be gear pump, and the front end of oil pump shaft 9 can be connected through spline with input shaft 6, and oil pump drive gear 20 can be arranged on the oil pump shaft 9 through flat key.
The utility model connects through highly elastic shaft coupling with engine flywheel owing to input flange dish 5; Behind engine start, can drive input shaft 6 rotations; If clutch 7 is in jointing state; Input shaft 6 drives transmission shaft 8 rotations through clutch 7, and transmission shaft 8 drives four output gear 12 counterrotatings simultaneously through input gear 11.On the other hand; Because oil pump shaft 9 front ends connect with input shaft 6 through spline; Oil pump shaft 9 rear ends connect with oil pump drive gear 20 through flat key, and therefore, oil pump drive gear 20 can be transfused to axle 6 and drive rotation in the same way; Oil pump drive gear 20 drives oil pump driven gear 21 backward rotation, thereby drives oil pump 22 work.When clutch 7 is in disengaged condition, input shaft 6 idle running, each output does not have power output, and four external oil hydraulic pumps 15 quit work.But this moment, input shaft 6 still can drive oil pump shaft 9 and oil pump drive gear 20 rotations, rotated thereby drive oil pump driven gear 21, finally drove oil pump 22 work, thought that transfer case provides the working oil of lubricant oil and clutch.
In sum; In the utility model when friction clutch 7 is in jointing state; Input shaft 6 can drive transmission shaft 8 through friction clutch 7; Can power be passed to each output block to realize the function of many outputs, input shaft 6 passes to oil pump with power through oil pump shaft 9 and oil pump gear and realizes output simultaneously.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and other embodiments' difference that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiments shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (9)
1. a transfer case is characterized in that, comprising:
Casing (1);
Be arranged at the input shaft (6) in the said casing (1), its input end stretches out the front side of said casing (1);
Be arranged in the said casing (1), and with the transmission shaft (8) of said input shaft (6) coaxial arrangement, which is provided with input gear (11), said transmission shaft (8) links to each other through clutch (7) with said input shaft (6);
Be arranged at the some output shafts (13) in the said casing (1), which is provided with output gear (12) with said input gear (11) engagement;
External oil hydraulic pump (15), it is arranged at said casing (1) outside, and links to each other with said output shaft (13).
2. transfer case as claimed in claim 1 is characterized in that, the input end of said input shaft (6) is provided with input flange dish (5).
3. transfer case as claimed in claim 1 is characterized in that, the input end of said input shaft (6) and said external oil hydraulic pump (15) lay respectively at the both sides of said casing (1).
4. transfer case as claimed in claim 1 is characterized in that, said output shaft (13) is four, and said external oil hydraulic pump (15) also is four, and corresponding with it respectively said output shaft (13) links to each other.
5. transfer case as claimed in claim 4 is characterized in that, four said output shafts (13) are arranged in the level left side of said transmission shaft (8), horizontal right side, upper left and upper-right position respectively.
6. transfer case as claimed in claim 5 is characterized in that, the outside of said casing (1) is provided with output case (14), and four said external oil hydraulic pumps (15) are mounted to the said output case (14) corresponding with it respectively.
7. transfer case as claimed in claim 6 is characterized in that, said external oil hydraulic pump (15) links to each other with said output shaft (13) through spline.
8. like each described transfer case of claim 1-7, it is characterized in that, also comprise:
Oil pump shaft (9), it is inserted in the center hole of said transmission shaft (8), and front end links to each other with said input shaft (6), and the rear end is arranged with oil pump drive gear (20);
Be arranged at the oil pump (20) in said casing (1) outside, its output shaft is provided with the oil pump driven gear (21) with said oil pump drive gear (20) engagement.
9. transfer case as claimed in claim 8 is characterized in that, the front end of said oil pump shaft (9) is connected through spline with said input shaft (6), and said oil pump drive gear (20) is arranged on the said oil pump shaft (9) through flat key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202938136U CN202188071U (en) | 2011-08-12 | 2011-08-12 | Transfer case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202938136U CN202188071U (en) | 2011-08-12 | 2011-08-12 | Transfer case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188071U true CN202188071U (en) | 2012-04-11 |
Family
ID=45919524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202938136U Expired - Fee Related CN202188071U (en) | 2011-08-12 | 2011-08-12 | Transfer case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202188071U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818001A (en) * | 2012-08-31 | 2012-12-12 | 重庆齿轮箱有限责任公司 | Axial oil inlet structure of gear case |
| CN104455301A (en) * | 2013-09-17 | 2015-03-25 | 波克兰液压工业设备公司 | Improved system for determining center on vehicle parts by hydraulic machine |
| CN113309844A (en) * | 2021-05-08 | 2021-08-27 | 郑州轻工业大学 | Gear fault detection equipment and fault detection method |
| CN113983145A (en) * | 2020-07-10 | 2022-01-28 | 徐州徐工传动科技有限公司 | Transfer case and transmission system |
-
2011
- 2011-08-12 CN CN2011202938136U patent/CN202188071U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818001A (en) * | 2012-08-31 | 2012-12-12 | 重庆齿轮箱有限责任公司 | Axial oil inlet structure of gear case |
| CN104455301A (en) * | 2013-09-17 | 2015-03-25 | 波克兰液压工业设备公司 | Improved system for determining center on vehicle parts by hydraulic machine |
| CN104455301B (en) * | 2013-09-17 | 2018-03-30 | 波克兰液压工业设备公司 | Improvement system for hydraulic press centering in vehicle component |
| CN113983145A (en) * | 2020-07-10 | 2022-01-28 | 徐州徐工传动科技有限公司 | Transfer case and transmission system |
| CN113309844A (en) * | 2021-05-08 | 2021-08-27 | 郑州轻工业大学 | Gear fault detection equipment and fault detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20160812 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |