CN201003567Y - Driving bridge overdrive clutch type main decelerator - Google Patents
Driving bridge overdrive clutch type main decelerator Download PDFInfo
- Publication number
- CN201003567Y CN201003567Y CNU2007201154483U CN200720115448U CN201003567Y CN 201003567 Y CN201003567 Y CN 201003567Y CN U2007201154483 U CNU2007201154483 U CN U2007201154483U CN 200720115448 U CN200720115448 U CN 200720115448U CN 201003567 Y CN201003567 Y CN 201003567Y
- Authority
- CN
- China
- Prior art keywords
- ransaxle
- input shaft
- gear
- main reducing
- toothholder
- 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.)
- Expired - Fee Related
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- Mechanical Operated Clutches (AREA)
Abstract
The utility model relates to an overrunning clutch type main retarder for automobile driving bridge. The utility model consists of a bearing base 10, a bearing cover 11, a controlling component, a super clutch device and a locking device; the controlling component consists of a cylinder assembly 9 and a moving fork8; the super clutch device consists of an input axis 18, a wedge block 15, a meshing sleeve 13, a gear 12, a gear base 3 and a driving taper gear 1; the locking device consists of a positioning pin 7, a spring 6 and a driving taper gear 1; the bearing base 10 is connected with the shell of the car driving bridge main retarder; and the driving taper gear 1 is meshed with the driven taper gear of the main retarder. The utility model has the advantages that the driving bridge main retarder consisted of a super clutch device and a locking device is positioned in the driving bridge of the car, and the main retarder has a super clutch function no matter in which position the gear box is.
Description
(1) technical field
The utility model relates to the transmission field of Motor Vehicle, is specifically related to a kind of ransaxle main reducing gear and is made of overrunning clutch and Locking Device.
(2) technical background
In the Motor Vehicle power transmission system, how a pair of principals and subordinates of employing move the main reducing gears of the double reduction of cone gear and a pair of cylindrical gears formation to the ransaxle main reducing gear usually, or have only the main reducing gear of the single-stage deceleration of the moving cone gear formation of a pair of principal and subordinate.The inertia that these two kinds of main reducing gears all can not make full use of in the motor-driven vehicle going to be had, sliding when engine idle reaches the purpose of fuel-economizing, environmental protection.
(3) summary of the invention
The purpose of this utility model is to provide a kind of inertia that makes full use of motor-driven vehicle going can realize engine idle the time to realize the ransaxle overdrive clutch formula main reducing gear that idling slides.
The purpose of this utility model is achieved in that it comprises bearing support 10, bearing cap 11, control member, overrunning clutch and Locking Device, control member comprises cylinder assembly 9 and shift fork 8, and overrunning clutch comprises input shaft 18, voussoir 15 and engagement cover 13, tooth cover 12, toothholder 3 and active cone gear 1; Locking Device comprises locating stud 7, spring 6 and active cone gear 1; Bearing support 10 is connected with Motor Vehicle ransaxle bevel housing, cylinder assembly 9 is arranged on the bearing support 10, shift fork 8 is arranged on the cylinder assembly 9, shift fork is inserted in the tooth cover 12, toothholder 3 links to each other with active cone gear 1, tooth cover 12 is arranged on the outside of toothholder 3, voussoir 15 is arranged on the input shaft 18, engagement cover 13 is arranged on voussoir 15 outsides, and input shaft 18 is arranged on the bearing cap 11, and locating stud 7 and spring 6 are arranged on the toothholder 3, toothholder 3 links to each other with active cone gear 1, initiatively an end of cone gear is arranged on the bearing support 10, and the other end is inserted in the input shaft 18, and initiatively cone gear 1 is meshed with driven bevel gear in the main reducing gear.
The utility model also has some technical characteristicss like this:
1, described shift fork 8 is arranged on the declutch shift shaft of cylinder assembly 9;
2, described input shaft 18 usefulness bearings 17 are supported on the bearing cap 11, and bearing cap 11 is connected with bearing support 10 by bolt;
3, an end of described input shaft 18 is provided with the bead 19 that is connected with the motor vehicle transmission axle, and bead 19 and input shaft 18 are connected by spline, and the axial employing nut 20 of bead 19 is fixing;
4, described input shaft 18 is provided with groove and spline tooth, and voussoir 15 is arranged side by side in groove, between be provided with dottle pin 14;
5, described active cone gear 1 adopts two conical bearings 2 to be fixed on the bearing support 10, is provided with spacer between two conical bearings;
6, an end of described active cone gear 1 is inserted in the input shaft 18, and initiatively cone gear 1 supports by roller 16 with input shaft 18, is provided with dottle pin 5 between roller 16 and the nut 4, and the other end is supported on the bearing support 10 by bearing 2;
7, described toothholder 3 is arranged on initiatively round pushing away on the gear 1 by spline, and is axially fixing with nut 4;
8, described toothholder 3 adopts spline to be connected with tooth cover 12, and tooth cover 12 is provided with fork slot and locating slot, and shift fork 8 is inserted in the fork slot;
9, described toothholder 3 is provided with the hole, and locating stud 7 and spring 6 are arranged in the hole.
Bead 19 is connected with bead on the motor vehicle transmission axle in the utility model, bearing support 10 is connected with Motor Vehicle ransaxle bevel housing, thereby cone gear 1 initiatively is meshed with driven bevel gear in the ransaxle main reducing gear, has so just constituted ransaxle overdrive clutch formula main reducing gear.The cylinder assembly 9 of control member is fixed on the bearing support 10.Shift fork 8 is fixed on the declutch shift shaft of cylinder assembly 9.Shift fork is inserted in the fork slot of tooth cover 12.Toothholder 3 in the Locking Device is connected with external splines on the cone gear initiatively by internal spline and is integral.Be with tooth cover 12 on the outer rim of toothholder, toothholder is applied mechanically spline with tooth and is connected.Two row's groove and external spliness are arranged on the input shaft 18 in the overdrive clutch device, porose on its axle head.Voussoir 15 is housed in the groove of input shaft, voussoir overcoat engagement cover 13, the outer rim of engagement cover has spline tooth, and the internal spline of tooth cover also can be meshed with the external splines of engagement cover simultaneously with the external splines of toothholder.
The utility model makes full use of the inertia of motor-driven vehicle going and realizes that idling slides in the time of can realizing engine idle.When not needing to slide, can finish the braking of reversing or engine idle immediately with the free wheel device locking again, slow down the usefulness of the speed of a motor vehicle.The beneficial effects of the utility model are: by the ransaxle main reducing gear that overrunning clutch and Locking Device constitute, place in the ransaxle of Motor Vehicle, this main reducing gear speed changer all has the function of free wheel device on any gear.Can realize that under engine idle idling slides, thereby save fuel oil.When Motor Vehicle met abrupt slope or ice and snow, wet and slippery and other road conditions, free wheel device was in lockup state, and transcendent function is removed.This moment, no matter speed changer can both make full use of the engine idle braking on any gear, slowed down the speed of a motor vehicle, played the auxiliary braking effect.When needs are moveed backward, by the moving element of air-operated control, with the overrunning clutch locking, have only when free wheel device at lockup state, could realize backing automobile.The utility model is installed on the Motor Vehicle of automatic transmission, its oil-saving effect is more obvious.
The utility model is the ransaxle overdrive clutch formula main reducing gear that a locking free wheel device and ransaxle bevel housing are connected to form.When free wheel device is not in lockup state, can be by the inertia of motor-driven vehicle going, no matter speed changer places any gear, can both realize that vehicle slides automatically under the idling of motor, thereby save fuel oil, has protected environment.
(4) description of drawings
Fig. 1 is the utility model ransaxle overdrive clutch formula main reducing gear structural drawing.
Fig. 2 is the utility model ransaxle overdrive clutch formula main reducing gear locking schematic representation.
(5) specific embodiments
Below in conjunction with accompanying drawing realization the utility model is described in further detail:
In conjunction with Fig. 1, comprise bearing support 10, bearing cap 11, control member, overrunning clutch and Locking Device in the present embodiment, it is characterized in that described control member comprises cylinder assembly 9 and shift fork 8, overrunning clutch comprises input shaft 18, voussoir 15 and engagement cover 13, tooth cover 12, toothholder 3 and active cone gear 1; Locking Device comprises locating stud 7, spring 6 and active cone gear 1; Bearing support 10 is connected with Motor Vehicle ransaxle bevel housing, cylinder assembly 9 is arranged on the bearing support 10, shift fork 8 is arranged on the cylinder assembly 9, shift fork is inserted in the tooth cover 12, toothholder 3 links to each other with active cone gear 1, tooth cover 12 is arranged on the outside of toothholder 3, voussoir 15 is arranged on the input shaft 18, engagement cover 13 is arranged on voussoir 15 outsides, and input shaft 18 is arranged on the bearing cap 11, and locating stud 7 and spring 6 are arranged on the toothholder 3, toothholder 3 links to each other with active cone gear 1, initiatively an end of cone gear is arranged on the bearing support 10, and the other end is inserted in the input shaft 18, and initiatively cone gear 1 is meshed with driven bevel gear in the main reducing gear.
Wherein, input shaft 18 usefulness bearings 17 are supported on the bearing cap 11.Spline tooth and some uniform grooves are arranged on the input shaft, adorn two row's voussoirs 15 in the groove, separate by dottle pin 14 between voussoir.Be with shifter collar 13 outside voussoir, the outer rim of engagement cover has spline.Be with the tooth cover 12 of internal spline on the external splines of engagement cover.Engagement cover and the interior voussoir formation fastness of input shaft groove, and the engagement cover is paid with the slip of tooth cover formation.The tooth cover is enclosed within toothholder simultaneously by internal spline and engagement puts.Therefore the tooth cover slides with the toothholder formation again and pays.Have on the toothholder if locating stud and spring are adorned in hundredweight cloth hole in the hole, have two circular grooves on the internal spline of tooth cover, locating stud pushes up in the groove under the effect of spring, plays the role of positioning.On the outer rim of tooth cover circular groove is arranged also, in the shift fork insertion groove.Toothholder is connected with the active cone gear by spline.Initiatively an end of cone gear is supported on the bearing support with bearing 2, and the other end is inserted in the hole of input shaft, and both support with roller 16.Motor is by power that speed changer spread out of, be delivered on the driven bevel gear of main reducing gear the power output when realizing overdrive clutch again by engagement cover 13, tooth cover 12, toothholder 3 and active cone gear by the effect of voussoir 15 through bead 19, input shaft 18.Overdrive clutch is when engine idle, and when initiatively the rotating speed of cone gear 1 was higher than input shaft 18, engagement cover 13 produced relative rotation on voussoir 15 and realizes.
In conjunction with Fig. 2, when tooth cover 12 slides left under the effect of control member cylinder assembly 9 and shift fork 8, overrunning clutch is in lockup state, this moment, the internal spline A of tooth cover was meshed with external splines B on the input shaft, power by input shaft by tooth cover, toothholder and initiatively the power that is input to when realizing locking on the driven bevel gear of main reducing gear of cone gear export.
The utility model ransaxle overdrive clutch formula main reducing gear both can be contained on the Motor Vehicle of engine behind front wheel, rear driving, also can be contained on the Motor Vehicle of engine at extreme rear, rear driving.The utility model places before the ransaxle bevel housing.Be enclosed within when tooth under the effect of shift fork thrust and slide left, tooth cover inner spline gear both was meshed with engagement cover external splines A simultaneously also and was meshed with external splines B on the input shaft 18 this moment, and at this moment free wheel device is realized locking.The tooth cover only is meshed with the engagement cover at ordinary times, and at this moment free wheel device works.
Claims (10)
1, a kind of ransaxle overdrive clutch formula main reducing gear, it comprises bearing support (10), bearing cap (11), control member, overrunning clutch and Locking Device, it is characterized in that described control member comprises cylinder assembly (9) and shift fork (8), overrunning clutch comprises input shaft (18), voussoir (15) and engagement cover (13), tooth cover (12), toothholder (3) and active cone gear (1); Locking Device comprises locating stud (7), spring (6) and active cone gear (1); Bearing support (10) is connected with Motor Vehicle ransaxle bevel housing, cylinder assembly (9) is arranged on the bearing support (10), shift fork (8) is arranged on the cylinder assembly (9), shift fork is inserted in the tooth cover (12), toothholder (3) links to each other with active cone gear (1), tooth cover (12) is arranged on the outside of toothholder (3), voussoir (15) is arranged on the input shaft (18), engagement cover (13) is arranged on voussoir (15) outside, input shaft (18) is arranged on the bearing cap (11), locating stud (7) and spring (6) are arranged on the toothholder (3), toothholder (3) links to each other with active cone gear (1), initiatively an end of cone gear is arranged on the bearing support (10), and the other end is inserted in the input shaft (18), and initiatively cone gear (1) is meshed with driven bevel gear in the main reducing gear.
2, ransaxle overdrive clutch formula main reducing gear according to claim 1 is characterized in that described shift fork (8) is arranged on the declutch shift shaft of cylinder assembly (9).
3, ransaxle overdrive clutch formula main reducing gear according to claim 1 is characterized in that described input shaft (18) is supported on the bearing cap (11) with bearing (17), and bearing cap (11) is connected with bearing support (10) by bolt.
4, ransaxle overdrive clutch formula main reducing gear according to claim 1, an end that it is characterized in that described input shaft (18) is provided with the bead (19) that is connected with the motor vehicle transmission axle, bead (19) is connected by spline with input shaft (18), and the axial employing nut (20) of bead (19) is fixing.
5, ransaxle overdrive clutch formula main reducing gear according to claim 1 is characterized in that described input shaft (18) is provided with groove and spline tooth, and voussoir (15) is arranged side by side in groove, between be provided with dottle pin (14).
6, ransaxle overdrive clutch formula main reducing gear according to claim 1 is characterized in that described active cone gear (1) adopts two conical bearings (2) to be fixed on the bearing support (10), is provided with spacer between two conical bearings.
7, ransaxle overdrive clutch formula main reducing gear according to claim 1, an end that it is characterized in that described active cone gear (1) is inserted in the input shaft (18), initiatively cone gear (1) supports by roller (16) with input shaft (18), be provided with dottle pin (5) between roller (16) and the nut (4), the other end is supported on the bearing support (10) by bearing (2).
8, ransaxle overdrive clutch formula main reducing gear according to claim 1, circle pushes away on the gear (1) to it is characterized in that being arranged on initiatively by spline by described toothholder (3), axially uses nut (4) fixing.
9, ransaxle overdrive clutch formula main reducing gear according to claim 1 is characterized in that described toothholder (3) and tooth cover (12) adopt spline to be connected, and tooth cover (12) is provided with fork slot and locating slot, and shift fork (8) is inserted in the fork slot.
10, ransaxle overdrive clutch formula main reducing gear according to claim 1 is characterized in that described toothholder (3) is provided with the hole, and locating stud (7) and spring (6) are arranged in the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201154483U CN201003567Y (en) | 2007-01-25 | 2007-01-25 | Driving bridge overdrive clutch type main decelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201154483U CN201003567Y (en) | 2007-01-25 | 2007-01-25 | Driving bridge overdrive clutch type main decelerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201003567Y true CN201003567Y (en) | 2008-01-09 |
Family
ID=39039104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201154483U Expired - Fee Related CN201003567Y (en) | 2007-01-25 | 2007-01-25 | Driving bridge overdrive clutch type main decelerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201003567Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195064A (en) * | 2016-08-31 | 2016-12-07 | 陕西法士特齿轮有限责任公司 | A kind of segregation apparatus reducing retarder idling loss in parallel |
| CN110816169A (en) * | 2019-09-02 | 2020-02-21 | 一汽解放汽车有限公司 | Rear drive axle bearing block assembly |
| CN112727941A (en) * | 2021-02-22 | 2021-04-30 | 一汽解放汽车有限公司 | Transmission clutch structure of rear drive axle |
-
2007
- 2007-01-25 CN CNU2007201154483U patent/CN201003567Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195064A (en) * | 2016-08-31 | 2016-12-07 | 陕西法士特齿轮有限责任公司 | A kind of segregation apparatus reducing retarder idling loss in parallel |
| CN110816169A (en) * | 2019-09-02 | 2020-02-21 | 一汽解放汽车有限公司 | Rear drive axle bearing block assembly |
| CN112727941A (en) * | 2021-02-22 | 2021-04-30 | 一汽解放汽车有限公司 | Transmission clutch structure of rear drive axle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080109 Termination date: 20100225 |