CN203463517U - Synchronizer positioning structure of double-countershaft heavy speed changing box - Google Patents
Synchronizer positioning structure of double-countershaft heavy speed changing box Download PDFInfo
- Publication number
- CN203463517U CN203463517U CN201320593447.5U CN201320593447U CN203463517U CN 203463517 U CN203463517 U CN 203463517U CN 201320593447 U CN201320593447 U CN 201320593447U CN 203463517 U CN203463517 U CN 203463517U
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- gear
- spline
- wear
- gear ring
- resistant sleeve
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- Expired - Lifetime
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Abstract
The utility model provides a synchronizer positioning structure of a double-countershaft heavy speed changing box. According to the structure, a spline wear-proof casing I is axially positioned through a clamping spring I and a wear-proof casing positioning shoulder on a gear I, and a spline wear-proof casing II is axially positioned through a clamping spring II and a wear-proof casing positioning shoulder on a gear II. Due to the facts that a gear ring positioning shoulder on the spline wear-proof casing I is matched with a combination gear ring I, a wear-proof casing positioning shoulder on the combination gear ring I is matched with the spline wear-proof casing I, the combination gear ring I is of a step-type concentric annulus structure, a gear ring positioning shoulder on the spline wear-proof casing II is matched with a combination gear ring II, a wear-proof casing positioning shoulder on the combination gear ring II is matched with the spline wear-proof casting II and the combination gear ring II is of a step-type concentric annulus structure, a gear base of a synchronizer, the combination gear ring I and the combination gear ring II are positioned in the axial direction and the radial direction, the combination gear ring I and the combination gear ring II do not float along with the gear I and the gear II, and accordingly the synchronizer can keep a stable state when working.
Description
Technical field
The utility model relates to the heavy Synchromous device of gearbox position structure of a kind of two-pack axle, belongs to technical field of automobile parts.
Background technique
At present, in common two intermediate shaft heavy type truck gearbox designs, for guaranteeing that driver's operation is laborsaving, it is smooth-going to put into gear, adopt synchronizer gearshift more.The toothholder of synchronizer by spline joint, and adopts jump ring axially locating on main shaft, and in conjunction with gear ring on main shaft both without radial location also without axially locating, in actual use, synchronizer is unstable state, easily causes synchronizer premature wear, reduces the working life of synchronizer.
In view of the problem that above-mentioned pair of intermediate shaft structure heavy type lorry transmission-gear box synchronizer exists, need on synchronizer position structure, take measures, while guaranteeing synchronizer real work, be steady state.
Summary of the invention
The technical problems to be solved in the utility model, is exactly for the existing deficiency of prior art, and provides a kind of two-pack axle heavy Synchromous device of gearbox position structure, and the synchronizer in this position structure axially and is radially all having location in conjunction with gear ring.
This programme is achieved by the following technical measures: the heavy Synchromous device of gearbox position structure of this two-pack axle comprises main shaft and is installed on the gear I on main shaft, gear II and synchronizer gear seat, gear I and gear II are symmetrical arranged along synchronizer gear seat, described synchronizer gear seat and main shaft pass through spline joint, the jump ring I and the jump ring II that coordinate with synchronizer gear seat two ends are installed on main shaft, it is characterized in that: on the main shaft between described jump ring I and gear I, by spline joint, have spline wear-resistant sleeve I, on main shaft between jump ring II and gear II, by spline joint, there is spline wear-resistant sleeve II, spline wear-resistant sleeve I outside is set with in conjunction with gear ring I, spline wear-resistant sleeve II outside is set with in conjunction with gear ring II, in spline wear-resistant sleeve I and spline wear-resistant sleeve II, near one end of synchronizer gear seat, be respectively arranged with gear ring location shoulder, in conjunction with gear ring I be respectively arranged with in conjunction with the interior bore ends of gear ring II the wear-resistant sleeve location coordinating away from one end of synchronizer gear seat with spline wear-resistant sleeve I and spline wear-resistant sleeve II and take on, along main shaft axially in conjunction with gear ring I be cascade donut structure in conjunction with gear ring II, in conjunction with one end that the external splines of one end that in gear ring I, diameter is little and the internal spline of gear I one end coordinate, diameter is large, be connected with synchronizer gear seat, in conjunction with one end that the external splines of one end that in gear ring II, diameter is little and the internal spline of gear II one end coordinate, diameter is large, be connected with synchronizer gear seat, the other end of gear I and gear II is arranged on main shaft.
Above-mentioned spline wear-resistant sleeve I and main shaft are little gap spline fitted, and spline wear-resistant sleeve II and main shaft are little gap spline fitted, to guarantee in conjunction with gear ring I with stable in conjunction with the radially relative main shaft of gear ring II.
The spline joint of above-mentioned combination gear ring I and gear I is large gap spline joint, in conjunction with the spline joint of gear ring II and gear II, is large gap spline joint, guarantees that gear I and gear II have enough amount of floatings.
There is mainshaft gear partition I and the spline catch I axially coordinating with it at the two ends of said gear I, and mainshaft gear partition I is connected with main spindle multiple spline with spline catch I, by mainshaft gear partition I and spline catch I, gear I are axially positioned at main shaft.
There is mainshaft gear partition II and the spline catch II axially coordinating with it at the two ends of said gear II, and mainshaft gear partition II is connected with main spindle multiple spline with spline catch II, by mainshaft gear partition II and spline catch II, gear II are axially positioned at main shaft.
In above-mentioned spline wear-resistant sleeve I, offer oil groove and oilhole with main shaft abutting end, in spline wear-resistant sleeve II, offer oil groove and oilhole with main shaft abutting end, by oil groove and oilhole, spline is lubricated.
The beneficial effect of this programme can be learnt according to the narration to such scheme, in the heavy Synchromous device of gearbox position structure of this two-pack axle, by the wear-resistant sleeve location shoulder in jump ring I and gear I, spline wear-resistant sleeve I is carried out to axially locating, by the wear-resistant sleeve location shoulder in jump ring II and gear II, spline wear-resistant sleeve II is carried out to axially locating, gear ring location in spline wear-resistant sleeve I is takeed on and coordinates in conjunction with gear ring I, in conjunction with the wear-resistant sleeve location shoulder in gear ring I, coordinate with spline wear-resistant sleeve I and in conjunction with the cascade donut structure of gear ring I, gear ring location in spline wear-resistant sleeve II is takeed on and coordinates in conjunction with gear ring II, in conjunction with the wear-resistant sleeve location shoulder in gear ring II, coordinate with spline wear-resistant sleeve II and in conjunction with the cascade donut structure of gear ring II, while having guaranteed gearbox work by said structure, synchronizer gear seat, in conjunction with gear ring I with in conjunction with gear ring II, axially and radially all there iing location, in conjunction with gear ring I with in conjunction with gear ring II, with gear I and gear II, do not float, synchronizer gear seat, in conjunction with gear ring I be stable in conjunction with gear ring II with respect to main shaft, in the time of can guaranteeing synchronizer real work, be steady state.As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, and the beneficial effect of its enforcement is also apparent.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
In figure, 1-gear II, 2-is in conjunction with gear ring II, 3-spline catch II, 4-mainshaft gear partition II, 5-hex key, 6-spline wear-resistant sleeve II, 7-jump ring II, 8-synchronizer gear seat, 9-jump ring I, 10-spline wear-resistant sleeve I, 11-main shaft, 12-mainshaft gear partition I, 13-wear-resistant sleeve location shoulder, 14-spline catch I, 15-gear ring location shoulder, 16-is in conjunction with gear ring I, 17-gear I.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
The heavy Synchromous device of gearbox position structure of a kind of two-pack axle, as shown in the figure, it comprises main shaft 11 and is installed on gear I 17, gear II 1 and the synchronizer gear seat 8 on main shaft 11, gear I 17 and gear II 1 are symmetrical arranged along synchronizer gear seat 8, described synchronizer gear seat 8 passes through spline joint with main shaft 11, the jump ring I 9 and the jump ring II 7 that coordinate with synchronizer gear seat 8 two ends are installed on main shaft 11, by jump ring I 9 and 7 pairs of synchronizer gear seats of jump ring II 8, carry out axially locating.
Wherein, on the main shaft 11 between jump ring I 9 and gear I 17, by spline joint, have spline wear-resistant sleeve I 10, spline wear-resistant sleeve I 10 is little gap spline fitted with main shaft 11, in spline wear-resistant sleeve I 10, offers oil groove and oilhole with main shaft 11 abutting ends.Spline wear-resistant sleeve I 10 outsides are set with in conjunction with gear ring I 16, in spline wear-resistant sleeve I 10, near one end of synchronizer gear seat 8, be provided with gear ring location shoulder 15, in conjunction with the interior bore ends of gear ring I 16, be provided with the wear-resistant sleeve location coordinating away from one end of synchronizer gear seat 8 with spline wear-resistant sleeve I 10 and take on 13.Axial along main shaft 11, in conjunction with gear ring I 16, it is cascade donut structure, in conjunction with one end that the external splines of one end that in gear ring I 16, diameter is little and the internal spline of gear I 17 one end coordinate, diameter is large, being connected with synchronizer gear seat 8, is large gap spline joint in conjunction with the spline joint of gear ring I 16 and gear I 17.The other end of gear I 17 is arranged on main shaft 11, and there is mainshaft gear partition I 12 and the spline catch I 14 axially coordinating with it at the two ends of gear I 17, mainshaft gear partition I 12 and spline catch I 14 and main shaft 11 spline joints, preferably hex key 5.
On main shaft 11 between jump ring II 7 and gear II 1, by spline joint, have spline wear-resistant sleeve II 6, spline wear-resistant sleeve II 6 is little gap spline fitted with main shaft 11, in spline wear-resistant sleeve II 6, offers oil groove and oilhole with main shaft 11 abutting ends.Spline wear-resistant sleeve II 6 outsides are set with in conjunction with gear ring II 2, in spline wear-resistant sleeve II 6, near one end of synchronizer gear seat 8, be provided with gear ring location shoulder 15, in conjunction with the interior bore ends of gear ring II 2, be provided with the wear-resistant sleeve location coordinating away from one end of synchronizer gear seat 8 with spline wear-resistant sleeve II 6 and take on 13.Axial along main shaft 11, in conjunction with gear ring II 2, it is cascade donut structure, in conjunction with one end that the external splines of one end that in gear ring II 2, diameter is little and the internal spline of gear II 1 one end coordinate, diameter is large, being connected with synchronizer gear seat 8, is large gap spline joint in conjunction with the spline joint of gear ring II 2 and gear II 1.The other end of gear II 1 is arranged on main shaft 11, and there is mainshaft gear partition II 4 and the spline catch II 3 axially coordinating with it at the two ends of gear II 1, mainshaft gear partition II 4 and spline catch II 3 and main shaft 11 spline joints, preferably hex key 5.
During gearbox work, 13 pairs of spline wear-resistant sleeve I 10 of wear-resistant sleeve location shoulder in jump ring I 9 and gear I 17 are carried out axially locating, 13 pairs of spline wear-resistant sleeve II 6 of wear-resistant sleeve location shoulder in jump ring II 7 and gear II 1 are carried out axially locating, gear ring in spline wear-resistant sleeve I 10 is located shoulder 15 and is coordinated in conjunction with gear ring I 16, in conjunction with the wear-resistant sleeve location shoulder 13 in gear ring I 16, coordinate with spline wear-resistant sleeve I 10 and in conjunction with the cascade donut structure of gear ring I 16, gear ring in spline wear-resistant sleeve II 6 is located shoulder 15 and is coordinated in conjunction with gear ring II 2, in conjunction with the wear-resistant sleeve location shoulder 13 in gear ring II 2, coordinate with spline wear-resistant sleeve II 6 and in conjunction with the cascade donut structure of gear ring II 2, make synchronizer gear seat 8, in conjunction with gear ring I 16 with in conjunction with gear ring II 2, axially and radially all there iing location, in conjunction with gear ring I 16 with in conjunction with gear ring II 2, with gear I 17 and gear II 1, do not float, synchronizer gear seat 8, in conjunction with gear ring I 16 be stable in conjunction with gear ring II 2 with respect to main shaft 11, in the time of can guaranteeing synchronizer real work, be steady state.
In the utility model, without the technical characteristics of describing, can pass through existing techniques in realizing, not repeat them here.The foregoing is only preferred embodiment of the present utility model; the utility model is not limited in above-mentioned embodiment; the variation that those of ordinary skills make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (5)
1. the heavy Synchromous device of gearbox position structure of a two-pack axle, it comprises main shaft and is installed on the gear I on main shaft, gear II and synchronizer gear seat, gear I and gear II are symmetrical arranged along synchronizer gear seat, described synchronizer gear seat and main shaft pass through spline joint, the jump ring I and the jump ring II that coordinate with synchronizer gear seat two ends are installed on main shaft, it is characterized in that: on the main shaft between described jump ring I and gear I, by spline joint, have spline wear-resistant sleeve I, on main shaft between jump ring II and gear II, by spline joint, there is spline wear-resistant sleeve II, spline wear-resistant sleeve I outside is set with in conjunction with gear ring I, spline wear-resistant sleeve II outside is set with in conjunction with gear ring II, in spline wear-resistant sleeve I and spline wear-resistant sleeve II, near one end of synchronizer gear seat, be respectively arranged with gear ring location shoulder, in conjunction with gear ring I be respectively arranged with in conjunction with the interior bore ends of gear ring II the wear-resistant sleeve location coordinating away from one end of synchronizer gear seat with spline wear-resistant sleeve I and spline wear-resistant sleeve II and take on, along main shaft axially in conjunction with gear ring I be cascade donut structure in conjunction with gear ring II, in conjunction with one end that the external splines of one end that in gear ring I, diameter is little and the internal spline of gear I one end coordinate, diameter is large, be connected with synchronizer gear seat, in conjunction with one end that the external splines of one end that in gear ring II, diameter is little and the internal spline of gear II one end coordinate, diameter is large, be connected with synchronizer gear seat, the other end of gear I and gear II is arranged on main shaft.
2. the heavy Synchromous device of gearbox position structure of two-pack axle according to claim 1, it is characterized in that: there is mainshaft gear partition I and the spline catch I axially coordinating with it at the two ends of described gear I, and mainshaft gear partition I is connected with main spindle multiple spline with spline catch I.
3. the heavy Synchromous device of gearbox position structure of two-pack axle according to claim 1 and 2, it is characterized in that: there is mainshaft gear partition II and the spline catch II axially coordinating with it at the two ends of described gear II, and mainshaft gear partition II is connected with main spindle multiple spline with spline catch II.
4. the heavy Synchromous device of gearbox position structure of two-pack axle according to claim 3, is characterized in that: in described spline wear-resistant sleeve I, offer oil groove and oilhole with main shaft abutting end.
5. the heavy Synchromous device of gearbox position structure of two-pack axle according to claim 4, is characterized in that: in described spline wear-resistant sleeve II, offer oil groove and oilhole with main shaft abutting end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320593447.5U CN203463517U (en) | 2013-09-25 | 2013-09-25 | Synchronizer positioning structure of double-countershaft heavy speed changing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320593447.5U CN203463517U (en) | 2013-09-25 | 2013-09-25 | Synchronizer positioning structure of double-countershaft heavy speed changing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463517U true CN203463517U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320593447.5U Expired - Lifetime CN203463517U (en) | 2013-09-25 | 2013-09-25 | Synchronizer positioning structure of double-countershaft heavy speed changing box |
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| CN (1) | CN203463517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455066B (en) * | 2013-09-25 | 2017-02-08 | 中国重汽集团济南动力有限公司 | Locating structure of dual-countershaft heavy gearbox synchronizer |
-
2013
- 2013-09-25 CN CN201320593447.5U patent/CN203463517U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455066B (en) * | 2013-09-25 | 2017-02-08 | 中国重汽集团济南动力有限公司 | Locating structure of dual-countershaft heavy gearbox synchronizer |
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