CN109372902B - Adjustable constant torque connector for connecting drive axle and transmission shaft - Google Patents
Adjustable constant torque connector for connecting drive axle and transmission shaft Download PDFInfo
- Publication number
- CN109372902B CN109372902B CN201811487016.4A CN201811487016A CN109372902B CN 109372902 B CN109372902 B CN 109372902B CN 201811487016 A CN201811487016 A CN 201811487016A CN 109372902 B CN109372902 B CN 109372902B
- Authority
- CN
- China
- Prior art keywords
- spline
- section
- connecting body
- cone
- connector
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 38
- 230000003068 static effect Effects 0.000 claims description 11
- 230000004323 axial length Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008358 core component Substances 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
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
Abstract
The invention provides an adjustable constant torque connector for connecting a drive axle and a transmission shaft, which is innovative in that: the adjustable constant torque connector consists of an outer connector, an inner connector, a movable cone block and a spline shaft; the beneficial technical effects of the invention are as follows: an adjustable constant torque connector for connecting a drive axle and a transmission shaft is provided, and only a calibration torque is transmitted by the adjustable constant torque connector, so that the internal structure of the drive axle can be prevented from being impacted, and the service life of parts is prolonged.
Description
Technical Field
The invention relates to a heavy-duty car transmission technology, in particular to an adjustable constant torque connector for connecting a drive axle and a transmission shaft.
Background
In the prior art, the output end of a transmission shaft of a heavy-duty car is generally directly connected with an input flange of a drive axle; because the driving axle is directly connected with the driving axle, if the acting force acting on the driving axle suddenly changes (such as when a road surface with pits and protrusions runs, the resistance to the driving wheel frequently changes, so that the running speed of the internal structure of the driving axle also frequently changes), but the output moment of the driving axle does not change, so that a larger moment exists between the driving axle and the driving axle, larger impact can be caused on the driving axle, the instant moment is larger, the instant overload of core components (gears, cross shafts, bearings and the like) in the driving axle is easily caused, the service life of the components is influenced, and the components can be directly damaged when serious.
Disclosure of Invention
Aiming at the problems in the background technology, the invention provides an adjustable constant torque connector for connecting a drive axle and a transmission shaft, which is innovative in that: the adjustable constant torque connector consists of an outer connector, an inner connector, a movable cone block and a spline shaft;
the outer wall of the right end of the outer connector shaft is provided with a first flange, and the outer connector is internally provided with an axial through hole; the axial through hole consists of a first cone section and a second cone section, the large-diameter end of the first cone section is communicated with the left end face of the outer connector, the large-diameter end of the second cone section is communicated with the right end face of the outer connector, and the small-diameter end of the first cone section and the small-diameter end of the second cone section are communicated with each other;
the outer wall of the axial left end of the inner connecting body is provided with a second flange, the outer wall of the axial right end of the inner connecting body is provided with a first conical surface matched with the first conical section, the left end face of the inner connecting body is provided with a first groove, and the bottom of the first groove is provided with a first spline hole communicated with the right end face of the inner connecting body;
the outer wall of the movable cone block forms a second conical surface, the second conical surface is matched with the second cone section, a second groove is formed in the right end face of the movable cone block, and a second spline hole communicated with the left end face of the movable cone block is formed in the bottom of the second groove;
threads are arranged at two ends of the spline shaft, a spline section is formed in the middle of the spline shaft, and spline teeth are arranged on the surface of the spline section;
the right end of the inner connecting body is sleeved in the first conical section, and the first conical surface is in contact with the surface of the first conical section; the movable cone block is sleeved in the second cone section, and the outer wall of the movable cone block is in contact with the surface of the second cone section; the spline shaft is sleeved in the first spline hole and the second spline hole, the left section of the spline section is meshed with the first spline hole, the right section of the spline section is meshed with the second spline hole, the left end of the spline shaft is located in the first groove, the right end of the spline shaft is located in the second groove, the left end of the spline shaft is in threaded connection with the first adjusting nut, the outer diameter of the first adjusting nut is larger than the aperture of the first spline hole, the right end of the spline shaft is in threaded connection with the second adjusting nut, and the outer diameter of the second adjusting nut is larger than the aperture of the second spline hole.
In the concrete implementation, the output end of the transmission shaft is connected with a second flange plate flange on the inner connecting body, and the input flange of the drive axle is connected with a first flange plate flange; the principle of the invention is as follows: the spline holes on the inner connector and the movable cone block are engaged with the spline teeth on the spline shaft, so that the inner connector and the movable cone block can synchronously rotate; the first conical surface of the inner connecting body is contacted with the first conical section surface of the outer connecting body, meanwhile, the outer wall of the movable conical block is contacted with the second conical section surface of the outer connecting body, a structural body formed by the inner connecting body, the movable conical block and the spline shaft is recorded as a transmission block for convenience of description, when the moment between the transmission block and the outer connecting body is smaller than a certain value, the transmission block and the outer connecting body are in a static friction state, the transmission block and the outer connecting body can synchronously rotate under the action of static friction force, when the moment between the transmission block and the outer connecting body is larger than a certain value, the relative motion state of the transmission block and the outer connecting body is converted into a dynamic friction state from the static friction state, the transmission block and the outer connecting body can relatively rotate, and when the moment between the transmission block and the outer connecting body is reduced again to a certain value, the relative motion state of the transmission block and the outer connecting body is converted into the static friction state again; after the scheme of the invention is adopted, when a vehicle stably runs, the torque output by the transmission shaft can be transmitted to the transmission block through the flange structure, the transmission block and the external connection body can synchronously rotate under the action of static friction force to drive the vehicle to move, when the resistance of the driving wheel is suddenly increased, the running speed of the transmission structure in the driving axle also suddenly drops, at the moment, the torque between the transmission block and the external connection body is suddenly increased because the output torque of the transmission shaft is unchanged, so that the transmission block and the external connection body relatively rotate against the static friction force, the larger torque can be prevented from acting on parts in the driving axle, the parts of the driving axle are protected, and the transmission block and the external connection body can be converted into the static friction state again after the vehicle returns to the stable running state again; in specific implementation, the compression degree of the two friction parts (namely, the friction moment) can be controlled by adjusting the first adjusting nut and the second adjusting nut, so that the adjustable constant torque connector only transmits the calibration moment.
Preferably, the outer diameter of the first flange plate is the same as the outer diameter of the second flange plate.
Preferably, the taper of the first cone section is the same as the taper of the second cone section, and the axial length of the first cone section is the same as the axial length of the second cone section.
The beneficial technical effects of the invention are as follows: an adjustable constant torque connector for connecting a drive axle and a transmission shaft is provided, and only a calibration torque is transmitted by the adjustable constant torque connector, so that the internal structure of the drive axle can be prevented from being impacted, and the service life of parts is prolonged.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2, a state of use diagram of the present invention;
FIG. 3 is a schematic diagram of a prior art drive axle and drive shaft connection configuration;
the names corresponding to the marks in the figure are respectively: the device comprises an outer connector 1, an inner connector 2, a first groove 2-1, a movable cone block 3, a second groove 3-1, a spline shaft 4, an adjusting nut 4-1, an adjustable constant torque connector A, a transmission shaft B and a driving axle C.
Description of the embodiments
As shown in fig. 1 to 3, an adjustable constant torque connector for connecting a drive axle and a transmission shaft is innovative in that: the adjustable constant torque connector consists of an outer connector 1, an inner connector 2, a movable cone block 3 and a spline shaft 4;
the outer wall of the right end of the outer connector 1 is provided with a first flange, and an axial through hole is formed in the outer connector 1; the axial through hole consists of a first cone section and a second cone section, the large-diameter end of the first cone section is communicated with the left end face of the outer connector 1, the large-diameter end of the second cone section is communicated with the right end face of the outer connector 1, and the small-diameter end of the first cone section and the small-diameter end of the second cone section are communicated with each other;
the outer wall of the left end of the inner connecting body 2 in the axial direction is provided with a second flange, the outer wall of the right end of the inner connecting body 2 in the axial direction is provided with a first conical surface matched with the first conical section, the left end face of the inner connecting body 2 is provided with a first groove 2-1, and the bottom of the first groove 2-1 is provided with a first spline hole communicated with the right end face of the inner connecting body 2;
the outer wall of the movable cone block 3 forms a second conical surface, the second conical surface is matched with the second conical section, a second groove 3-1 is formed in the right end face of the movable cone block 3, and a second spline hole communicated with the left end face of the movable cone block 3 is formed in the bottom of the second groove 3-1;
threads are arranged at two ends of the spline shaft 4, a spline section is formed in the middle of the spline shaft 4, and spline teeth are arranged on the surface of the spline section;
the right end of the inner connecting body 2 is sleeved in the first cone section, and the first cone surface is in contact with the surface of the first cone section; the movable cone block 3 is sleeved in the second cone section, and the outer wall of the movable cone block 3 is in contact with the surface of the second cone section; the spline shaft 4 is sleeved in the first spline hole and the second spline hole, the left section of the spline section is meshed with the first spline hole, the right section of the spline section is meshed with the second spline hole, the left end of the spline shaft 4 is positioned in the first groove 2-1, and the right end of the spline shaft 4 is positioned in the second groove 3-1; the left end of the spline shaft 4 is in threaded connection with a first adjusting nut 4-1, and the outer diameter of the first adjusting nut 4-1 is larger than the aperture of a first spline hole; the right end of the spline shaft 4 is in threaded connection with a second adjusting nut 4-1, and the outer diameter of the second adjusting nut 4-1 is larger than the aperture of the second spline hole.
Further, the outer diameter of the first flange plate is the same as the outer diameter of the second flange plate.
Further, the taper of the first cone section is the same as that of the second cone section, and the axial length of the first cone section is the same as that of the second cone section.
Claims (3)
1. An adjustable constant torque connector for connecting a drive axle and a drive shaft, characterized by: the adjustable constant torque connector consists of an outer connector (1), an inner connector (2), a movable cone block (3) and a spline shaft (4);
the outer wall of the right end of the outer connector (1) is provided with a first flange, and an axial through hole is formed in the outer connector (1); the axial through hole consists of a first cone section and a second cone section, the large-diameter end of the first cone section is communicated with the left end face of the outer connector (1), the large-diameter end of the second cone section is communicated with the right end face of the outer connector (1), and the small-diameter end of the first cone section and the small-diameter end of the second cone section are communicated with each other;
the outer wall of the axial left end of the inner connecting body (2) is provided with a second flange, the outer wall of the axial right end of the inner connecting body (2) is provided with a first conical surface matched with the first conical section, the left end face of the inner connecting body (2) is provided with a first groove (2-1), and the bottom of the first groove (2-1) is provided with a first spline hole communicated with the right end face of the inner connecting body (2);
the outer wall of the movable cone block (3) forms a second conical surface, the second conical surface is matched with the second conical section, a second groove (3-1) is formed in the right end face of the movable cone block (3), and a second spline hole communicated with the left end face of the movable cone block (3) is formed in the bottom of the second groove (3-1);
threads are arranged at two ends of the spline shaft (4), a spline section is formed in the middle of the spline shaft (4), and spline teeth are arranged on the surface of the spline section;
the right end of the inner connecting body (2) is sleeved in the first cone section, and the first cone surface is in contact with the surface of the first cone section; the movable cone block (3) is sleeved in the second cone section, and the outer wall of the movable cone block (3) is in contact with the surface of the second cone section; the spline shaft (4) is sleeved in the first spline hole and the second spline hole, the left section of the spline section is meshed with the first spline hole, the right section of the spline section is meshed with the second spline hole, the left end of the spline shaft (4) is positioned in the first groove (2-1), and the right end of the spline shaft (4) is positioned in the second groove (3-1); the left end of the spline shaft (4) is in threaded connection with a first adjusting nut (4-1), and the outer diameter of the first adjusting nut (4-1) is larger than the aperture of a first spline hole; the right end of the spline shaft (4) is in threaded connection with a second adjusting nut (4-1), and the outer diameter of the second adjusting nut (4-1) is larger than the aperture of a second spline hole;
the structure formed by the inner connecting body (2), the movable cone block (3) and the spline shaft (4) is recorded as a transmission block, when the moment between the transmission block and the outer connecting body (1) is smaller than a certain value, the transmission block and the outer connecting body (1) are in a static friction state, the transmission block and the outer connecting body (1) can synchronously rotate under the action of static friction force, after the moment between the transmission block and the outer connecting body (1) is larger than a certain value, the relative motion state of the transmission block and the outer connecting body (1) is converted into a dynamic friction state from the static friction state, the transmission block and the outer connecting body (1) can relatively rotate, and after the moment between the transmission block and the outer connecting body (1) is reduced to a certain value again, the relative motion state of the transmission block and the outer connecting body (1) can be converted into the static friction state again.
2. The adjustable constant torque connector for connecting a drive axle and a drive shaft of claim 1, wherein: the outer diameter of the first flange plate is the same as that of the second flange plate.
3. The adjustable constant torque connector for connecting a drive axle and a drive shaft according to claim 1 or 2, wherein: the taper of the first cone section is the same as that of the second cone section, and the axial length of the first cone section is the same as that of the second cone section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811487016.4A CN109372902B (en) | 2018-12-06 | 2018-12-06 | Adjustable constant torque connector for connecting drive axle and transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811487016.4A CN109372902B (en) | 2018-12-06 | 2018-12-06 | Adjustable constant torque connector for connecting drive axle and transmission shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109372902A CN109372902A (en) | 2019-02-22 |
| CN109372902B true CN109372902B (en) | 2024-02-13 |
Family
ID=65375943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811487016.4A Active CN109372902B (en) | 2018-12-06 | 2018-12-06 | Adjustable constant torque connector for connecting drive axle and transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109372902B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682087B (en) * | 2021-08-30 | 2024-01-09 | 一汽解放汽车有限公司 | Torque input structure of drive axle and through drive axle |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3998563A (en) * | 1974-07-15 | 1976-12-21 | Ringfeder G.M.B.H. | Detachable coupling device |
| US4025213A (en) * | 1974-12-09 | 1977-05-24 | Ringfeder Gmbh | Shaft coupled to surrounding hub |
| JP2010069926A (en) * | 2008-09-16 | 2010-04-02 | Nsk Ltd | Hub unit for supporting drive wheel |
| EP2251557A1 (en) * | 2009-05-15 | 2010-11-17 | Ringfeder Power-Transmission GmbH | Clamping set for transferring torque transmission |
| CN101943222A (en) * | 2010-09-07 | 2011-01-12 | 电子科技大学 | Double slider coupling for drive test of automobile rear axle or final drive assembly |
| CN102305277A (en) * | 2011-09-03 | 2012-01-04 | 王淑平 | Limiting torque reducer |
| CN202659755U (en) * | 2012-05-31 | 2013-01-09 | 南车青岛四方机车车辆股份有限公司 | Elastic flange assembly structure for internal-combustion engine |
| CN203009790U (en) * | 2012-11-21 | 2013-06-19 | 株洲市九洲传动机械设备有限公司 | Transmission structure with axis capable of deflecting |
| CN203847577U (en) * | 2013-12-20 | 2014-09-24 | 西安斯克达机械制造有限公司 | Quick detachable connector with inner conical sleeve |
| CN105736589A (en) * | 2016-04-12 | 2016-07-06 | 哈尔滨东安发动机（集团）有限公司 | Spline shaft axial locating structure |
| CN207064497U (en) * | 2017-06-28 | 2018-03-02 | 昆明理工大学 | A kind of expansion coupler |
| CN209100512U (en) * | 2018-12-06 | 2019-07-12 | 上汽依维柯红岩车桥有限公司 | For connecting the adjustable permanent Torque couplings of drive axle and transmission shaft |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2432155T3 (en) * | 2010-11-30 | 2013-12-02 | Siemens Aktiengesellschaft | Shrink disk for friction joining of rotating machine parts |
-
2018
- 2018-12-06 CN CN201811487016.4A patent/CN109372902B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3998563A (en) * | 1974-07-15 | 1976-12-21 | Ringfeder G.M.B.H. | Detachable coupling device |
| US4025213A (en) * | 1974-12-09 | 1977-05-24 | Ringfeder Gmbh | Shaft coupled to surrounding hub |
| JP2010069926A (en) * | 2008-09-16 | 2010-04-02 | Nsk Ltd | Hub unit for supporting drive wheel |
| EP2251557A1 (en) * | 2009-05-15 | 2010-11-17 | Ringfeder Power-Transmission GmbH | Clamping set for transferring torque transmission |
| CN101943222A (en) * | 2010-09-07 | 2011-01-12 | 电子科技大学 | Double slider coupling for drive test of automobile rear axle or final drive assembly |
| CN102305277A (en) * | 2011-09-03 | 2012-01-04 | 王淑平 | Limiting torque reducer |
| CN202659755U (en) * | 2012-05-31 | 2013-01-09 | 南车青岛四方机车车辆股份有限公司 | Elastic flange assembly structure for internal-combustion engine |
| CN203009790U (en) * | 2012-11-21 | 2013-06-19 | 株洲市九洲传动机械设备有限公司 | Transmission structure with axis capable of deflecting |
| CN203847577U (en) * | 2013-12-20 | 2014-09-24 | 西安斯克达机械制造有限公司 | Quick detachable connector with inner conical sleeve |
| CN105736589A (en) * | 2016-04-12 | 2016-07-06 | 哈尔滨东安发动机（集团）有限公司 | Spline shaft axial locating structure |
| CN207064497U (en) * | 2017-06-28 | 2018-03-02 | 昆明理工大学 | A kind of expansion coupler |
| CN209100512U (en) * | 2018-12-06 | 2019-07-12 | 上汽依维柯红岩车桥有限公司 | For connecting the adjustable permanent Torque couplings of drive axle and transmission shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109372902A (en) | 2019-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10065489B2 (en) | Drive axle of electric distribution torque | |
| CN106678189B (en) | Double vibration damping type non-centering constant angular velocity universal coupling | |
| KR20010072965A (en) | Intermediate gearbox for a vehicle | |
| CN103867678A (en) | Cone plate type stepless speed changer | |
| CN109372902B (en) | Adjustable constant torque connector for connecting drive axle and transmission shaft | |
| CN109253174B (en) | Transmission structure of heavy-duty car | |
| US20090186706A1 (en) | Constant velocity joint with torque overload protection | |
| US9506497B2 (en) | Lightweight drive axle shaft | |
| CN209164408U (en) | Heavy-duty car drive mechanism | |
| US3277671A (en) | Clutch assemblies | |
| JP6507225B2 (en) | Conical disk type continuously variable transmission | |
| US7950510B2 (en) | Torque transfer device with torque limiting mechanism | |
| CN209100512U (en) | For connecting the adjustable permanent Torque couplings of drive axle and transmission shaft | |
| CN107842560A (en) | A kind of torsion damper gear | |
| US4883142A (en) | Drive arrangement for connecting a vehicle output shaft to a vehicle axle | |
| KR20160097333A (en) | A final drive for a road vehicle | |
| CN208107122U (en) | Hub reduction gear | |
| CN108679218A (en) | A kind of speed reducer assembly that can realize penetrating bridge Downshift | |
| CN108463354B (en) | Disconnect axle assembly with planetary differential | |
| CN202667268U (en) | Through type coupler | |
| CN210128029U (en) | End face tooth friction type torque limiter | |
| CN211231351U (en) | End face tooth friction type telescopic torque limiter | |
| CN113187877A (en) | Axial force conical surface thrust structure for high-speed heavy-load helical gear transmission system | |
| CN107061528B (en) | Single-connection vibration-damping impact-resistant non-centering constant-angular-speed universal joint | |
| CN220668214U (en) | Automobile main speed reducer with wet brake |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 400900 No.1, Nanhuan Avenue, Shuangqiao economic and Technological Development Zone, Dazu District, Chongqing Applicant after: SAIC Hongyan Axle (Chongqing) Co.,Ltd. Address before: 400900 No.1, Nanhuan Avenue, Shuangqiao economic and Technological Development Zone, Dazu District, Chongqing Applicant before: SAIC-IVECO HONGYAN COMMERCIAL VEHICLE CO.,LTD. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |