CN100580267C - High-efficiency large-swinging-angle large-slippage-quantity constant-speed transmission shaft assembly - Google Patents
High-efficiency large-swinging-angle large-slippage-quantity constant-speed transmission shaft assembly Download PDFInfo
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- CN100580267C CN100580267C CN200810059745A CN200810059745A CN100580267C CN 100580267 C CN100580267 C CN 100580267C CN 200810059745 A CN200810059745 A CN 200810059745A CN 200810059745 A CN200810059745 A CN 200810059745A CN 100580267 C CN100580267 C CN 100580267C
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Abstract
The present invention relates to a high efficient large swing large slippage constant velocity transmission shaft assembly comprising a jackshaft and a ball basket fixation type constant velocity universal joint, the jackshaft comprises a left half shaft comprising a left joint shaft and hollow big sleeve, and a right half shaft comprising a right joint shaft and small sleeve. The inner wall section of big sleeve is in star shape with arc transition angle, the outer wall section of small sleeve is corresponding in star shape with arc transition angle, one end of the big sleeve is fixed on the left joint shaft, one end of the small sleeve is fixed on the right joint shaft, the other end of the small sleeve is placed in the big sleeve and form a circumferential linkage which can slip in cooperation axially. The maximum pendulum angle of the present invention can reach to 47 degrees, has a greater slippage, the big and small sleeve can be machined by cold tension style, has a convenient machining and high precision, and has perfect slippage stationarity and transfer reliability.
Description
Technical field
The present invention relates to a kind of automobile gimbal transmission device, particularly a kind of high-efficiency large-swinging-angle large-slippage-quantity constant-speed transmission shaft assembly.
Background technique
Be to make output shaft and the normal transmission shaft structure that adopts the double Hooke's joint transmission of input shaft constant speed rotation that is in the same plane in car transmissions.At present used transmission shaft structure adopts traditional jack shaft mostly and is installed on the Rzeppa type center fixation type constant velocity universal joint (AC) at jack shaft two ends and transmission shaft structure that Rzeppa type can axially movable constant velocity universal joint (DOJ) on the automobile, its star sleeve of universal joint at its two ends of this transmission shaft and intermediate axle shaft be fixing stuck, can only realize rotating by the rotation of the steel ball in the Rzeppa type center fixation type constant velocity universal joint (AC) in its arc alley, and Rzeppa type can only move axially in its liner ball road by the interior steel ball of axially movable constant velocity universal joint (DOJ), thereby cause the pivot angle angle less, the moment of torsion that can bear is less, only be adapted at better road conditions traveling automobile, and be difficult to satisfy the requirement of some special type automobiles, such as military vehicle, go-anywhere vehicle, the car type that usually needs to travel such as beach buggy in the out-of-flatness road conditions.Be directed to this, also there is employing all to adopt Rzeppa type center fixation constant velocity universal joint at the transmission shaft two ends to increase the transmission pivot angle, the slippage at two ends then is that the extension type of the jack shaft of utilization is realized slippage, it is the semiaxis formula that jack shaft adopts small one and large one, two-semiaxle adopts spline to connect, utilize spline to realize slippage, but it is big to utilize the spline connection to have its manufacture difficulty, thereby machining accuracy is difficult to guarantee to influence the deficiency of slip property.In addition, it also all is to adopt the tight spring of desire directly is entangled on the locating stud that the installation of present driving-shaft assembly connects, and does not utilize the dismounting of maintenance.
Summary of the invention
It is big to the purpose of this invention is to provide a kind of transmission pivot angle, the stable drive that slippage is big, the high-efficiency large-swinging-angle large-slippage-quantity constant-speed transmission shaft assembly that efficient is high.
Purpose of the present invention is achieved through the following technical solutions: a kind of high-efficiency large-swinging-angle large-slippage-quantity constant-speed transmission shaft assembly, include jack shaft and the Rzeppa type center fixation type constant velocity universal joint that is arranged on two ends, described jack shaft includes a left side, right axle shaft, a left side, the outer end of right axle shaft respectively connects a Rzeppa type center fixation type constant velocity universal joint, a left side, slip connects between the right axle shaft, be characterized in: described left half axle includes left coupling shaft and the big sleeve pipe of hollow, described right axle shaft includes right coupling shaft and small casing, the inner wall section of described big sleeve pipe is that angle is the starriness of arc transition, the cross section of the outer wall of small casing should be the starriness that its angle is an arc transition mutually, big sleeve pipe one end fixed cover is located on the left coupling shaft, small casing one end fixed cover is located on the right coupling shaft, and the small casing the other end is sheathed in the big sleeve pipe and constitutes circumferentially interlock with it, axially slip cooperates.Two ends all adopt Rzeppa type center fixation type constant velocity universal joint to guarantee large-scale pivot angle, maximum pendulum angle can reach 47 °, and adopt the big and small sheath Placement of similar star, guaranteed to have bigger slipping property, and big and small sheath can adopt cold drawn mode to process, processing was both convenient, and precision is high again, has the reliability of good slippage stationarity and transmission.
Further, the present invention also is set to: thus the outer wall cross section of described big sleeve pipe is that the starriness of arc transition makes big sleeve pipe have the basic wall thickness that equates for angle also, the endoporus of described left coupling shaft should be the starriness that angle is an arc transition mutually, the corresponding fixed cover of one end of big sleeve pipe is located in the starriness endoporus of this left side coupling shaft, the endoporus of described right coupling shaft also should be the starriness that angle is an arc transition mutually, described small casing is a hollow shape, and the corresponding fixed cover of an end of small casing is located in the starriness endoporus of this right side coupling shaft.Big sleeve pipe inside and outside wall is all starriness, makes that the switching performance of big sleeve pipe and left coupling shaft is better, makes that also big sleeve pipe weight under the prerequisite of proof strength is lighter simultaneously, and in like manner, small casing is set as hollow shape also can reduces its weight.
The present invention further is set to: described left coupling shaft and the big non-drive fit of sleeve pipe, described right coupling shaft and small casing are similarly non-drive fit, respectively be provided with pin-and-hole on the described left and right coupling shaft, the corresponding pin-and-hole of establishing on the large and small sleeve pipe, thereby the one straight pin is sheathed in the pin-and-hole of left coupling shaft and big sleeve pipe and is connected left coupling shaft and big sleeve pipe, thereby another straight pin is sheathed in the pin-and-hole of right coupling shaft and small casing and is connected right coupling shaft and small casing.Coupling shaft adopts the pin Placement both can guarantee the reliability that is connected and transmits with sleeve pipe, and installs than common close-fitting mode conveniently a lot, reduce cost effectively, and convenient disassembly.
The present invention is more preferably: an end of described straight pin is provided with interior threaded hole.Straight pin with interior threaded hole is convenient especially a lot of aspect dismounting, and can guarantee the integrity dismantled not cause damage to product.
And further, invent also and be set to: the ectosphere cage of described Rzeppa type center fixation type constant velocity universal joint be provided with the connection spline towards the opposite side of jack shaft, and also be provided with the lock pin mounting platform in this side, the lock pin mounting platform is provided with pin-and-hole, this pin-and-hole is horizontally through the one teeth groove of spline, and be provided with annular boss in this pin-and-hole, described lock pin is step-like being sheathed in the pin-and-hole, the end of the miner diameter end of lock pin is provided with draw-in groove, jump ring is arranged in the draw-in groove, be provided with pressure spring between the annular boss of jump ring and pin-and-hole, its part of the bigger diameter end of lock pin falls into the one teeth groove of spline under the elastic force of pressure spring.When there not being the external force effect, lock pin and when pushing the bigger diameter end of lock pin, can make lock pin move down and unclamps under the effect of pressure spring and be in locking shape cover, and this is arranged so that further the dismounting lock pin also is very convenient.
Description of drawings
Fig. 1 is the structural representation of the invention process row
Fig. 2 is the A-A sectional drawing of Fig. 1
Fig. 3 is the B-B sectional drawing of Fig. 1
Fig. 4 is that the C of Fig. 1 is to view
Fig. 5 is in the structural representation of releasing orientation for the lock pin in the invention process row
Fig. 6 is in the structural representation of locking state for the lock pin in the invention process row
Embodiment
Now in conjunction with the accompanying drawings the present invention is further described:
As shown in Figures 1 to 4, the embodiment of a kind of high-efficiency large-swinging-angle large-slippage-quantity constant-speed transmission shaft assembly of the present invention, include jack shaft 2 and the Rzeppa type center fixation type constant velocity universal joint 1 that is arranged on two ends, described jack shaft 2 includes a left side, right axle shaft 21,22, a left side, right axle shaft 21,22 outer end respectively connects a Rzeppa type center fixation type constant velocity universal joint 1, a left side, right axle shaft 21, slip connects between 22, described left half axle 21 includes left coupling shaft 211 and the big sleeve pipe 212 of hollow, described right axle shaft 22 includes right coupling shaft 221 and small casing 222, inwall 2122 cross sections of described big sleeve pipe 212 are that angle is that the starriness of arc transition is (in the diagram, this star cross section is a Hexangular Star, can certainly be other angle number, as 7 jiaos, 8 jiaos or the like), the cross section of the outer wall 2221 of small casing 222 should be the starriness that its angle is an arc transition mutually, big sleeve pipe 212 1 end fixed covers are located on the left coupling shaft 211, small casing 222 1 end fixed covers are located on the right coupling shaft 221, small casing 222 the other ends are sheathed in the big sleeve pipe 212 and constitute circumferentially interlock with it, axially slip cooperates, and what is called circumferentially links, axially slip cooperates and is meant that small casing 222 and big sleeve pipe 212 rotates together but slip between axial.Obvious, left half axle also can be made up of left coupling shaft and small casing, and right axle shaft is made up of right coupling shaft and big sleeve pipe.
In the present embodiment, outer wall 2121 cross sections of described big sleeve pipe 212 are thereby that the starriness of arc transition makes big sleeve pipe 212 have the basic wall thickness that equates for angle also, the endoporus 2111 of described left coupling shaft 211 should be the starriness that angle is an arc transition mutually, the corresponding fixed cover of one end of big sleeve pipe 212 is located in the starriness endoporus 2111 of this left side coupling shaft 211, the endoporus 2211 of described right coupling shaft 221 also should be the starriness that angle is an arc transition mutually, described small casing 222 is that hollow shape is (in the diagram, endoporus 2222 is a circular hole, can certainly be star-shaped aperture), the corresponding fixed cover of an end of small casing 222 is located in the starriness endoporus of this right side coupling shaft 221.Big sleeve pipe inside and outside wall 2121,2122 is all starriness, make that big sleeve pipe 212 is better with the switching performance of left coupling shaft 211, simultaneously make that also big sleeve pipe 212 weight under the prerequisite of proof strength is lighter, and in like manner, small casing 222 is set as hollow shape also can reduces its weight.And obvious, even the endoporus of the outer wall of big sleeve pipe and left coupling shaft is that other shape (as polygonal) or small casing are that solid shape is also all naturally within protection scope of the present invention.
In the diagram, described left coupling shaft 211 and big sleeve pipe 212 non-drive fits, described right coupling shaft 221 is similarly non-drive fit with small casing 222, respectively be provided with pin-and-hole on the described left and right coupling shaft 211,221, the corresponding pin-and-hole of establishing on the large and small sleeve pipe 212,222, thereby one cylindrical pin with internal thread 23 is sheathed in the pin-and-hole of left coupling shaft 211 and big sleeve pipe 212 and is connected left coupling shaft 211 and big sleeve pipe 212, thereby another cylindrical pin with internal thread cover 24 is located in the pin-and-hole of right coupling shaft 221 and small casing 222 and is connected right coupling shaft 221 and small casing 222.Coupling shaft adopts the pin Placement both can guarantee the reliability that is connected and transmits with sleeve pipe, and installs than common close-fitting mode conveniently a lot, reduce cost effectively, and convenient disassembly.The present invention can certainly adopt common straight pin to connect, but adopts the straight pin 23,24 with interior threaded hole 231,241 convenient a lot of aspect dismounting, and can guarantee the integrity dismantled not cause damage to product.
As Fig. 5, shown in 6,11 opposite sides towards jack shaft of ectosphere cage of described Rzeppa type center fixation type constant velocity universal joint 1 are provided with and connect spline 112, and also be provided with lock pin mounting platform 111 in this side, lock pin mounting platform 111 is provided with pin-and-hole 1111, this pin-and-hole 1111 is horizontally through the one teeth groove 1121 of spline 112, and be provided with annular boss 11111 in this pin-and-hole 1111, described lock pin 5 is step-like being sheathed in the pin-and-hole 1111, the end of the miner diameter end 52 of lock pin 5 is provided with draw-in groove, jump ring 4 is arranged in the draw-in groove, be provided with pressure spring 3 between the annular boss 11111 of jump ring 4 and pin-and-hole 1111, bigger diameter end 51 its parts of lock pin 5 fall into the one teeth groove 1121 of spline 112 under the elastic force of pressure spring 3.When there not being the external force effect, lock pin 5 is under the effect of pressure spring 3 and the outer wall of the bigger diameter end 51 of lock pin 5 is snapped in the draw-in groove on the key tooth of the spline (not looking out among the figure) that is inserted, so spline promptly can not break away from spline, promptly be in the lock state, and when pushing the bigger diameter end of lock pin, lock pin is moved down and unclamp, this is arranged so that further the dismounting lock pin also is very convenient.
Two ends of the present invention all adopt Rzeppa type center fixation type constant velocity universal joint to guarantee large-scale pivot angle, and adopt the big and small sheath Placement of similar star, guaranteed to have bigger slipping property, and big and small sheath can adopt cold drawn mode to process, processing was both convenient, precision is high again, reliability with good slippage stationarity and transmission, the universal drive shaft of changing over utilizes two hookes-type Hooke's joints to realize that universal transmission agency passes to the suffix mechanical mode with torsion, the transmission pivot angle increases to 47 ° by original 15 °, Maximum Torque reaches 2300NM, the slippage scope is increased to 0-800mm by original 0-350mm, maximum speed can reach 1000r/min, and output input speed ratio is 1: 1 (being constant speed), simultaneously to the circumference static clearance of transmission shaft, lubricated, installing space, aspects such as working life all have greatly improved, noise is low during transmission, shake little, the efficient height, bearing capacity is strong, stable drive is reliable, extend to simultaneously on the various mechanized equipments that need the break-in transmission, be mainly used in special vehicle, military vehicle, fire-fighting vehicle, agro-farming vehicle etc., propagable other field has: pharmaceutical machine, agro-farming machinery, equipment manufacture, the vapour fields such as joining industry of rubbing.
Claims (7)
1. high-efficiency large-swinging-angle large-slippage-quantity constant-speed transmission shaft assembly, include jack shaft and the Rzeppa type center fixation type constant velocity universal joint that is arranged on the jack shaft two ends, described jack shaft includes a left side, right axle shaft, a left side, the outer end of right axle shaft respectively connects a Rzeppa type center fixation type constant velocity universal joint, a left side, slip connects between the right axle shaft, it is characterized in that: described left half axle includes left coupling shaft and the big sleeve pipe of hollow, described right axle shaft includes right coupling shaft and small casing, the inner wall section of described big sleeve pipe is that angle is the starriness of arc transition, the cross section of the outer wall of small casing should be the starriness that its angle is an arc transition mutually, big sleeve pipe one end fixed cover is located on the left coupling shaft, small casing one end fixed cover is located on the right coupling shaft, and the small casing the other end is sheathed in the big sleeve pipe and constitutes circumferentially interlock with it, axially slip cooperates.
2. high-efficiency large-swinging-angle large-slippage-quantity constant-speed transmission shaft assembly as claimed in claim 1, it is characterized in that: thus the outer wall cross section of described big sleeve pipe is that the starriness of arc transition makes big sleeve pipe have the basic wall thickness that equates for angle also, the endoporus of described left coupling shaft should be the starriness that angle is an arc transition mutually, the corresponding fixed cover of one end of big sleeve pipe is located in the starriness endoporus of this left side coupling shaft, the endoporus of described right coupling shaft also should be the starriness that angle is an arc transition mutually, described small casing is a hollow shape, and the corresponding fixed cover of an end of small casing is located in the starriness endoporus of this right side coupling shaft.
3. high-efficiency large-swinging-angle large-slippage-quantity constant-speed transmission shaft assembly as claimed in claim 1 or 2, it is characterized in that: described left coupling shaft and the big non-drive fit of sleeve pipe, described right coupling shaft and small casing are similarly non-drive fit, respectively be provided with pin-and-hole on the described left and right coupling shaft, the corresponding pin-and-hole of establishing on the large and small sleeve pipe, thereby the one straight pin is sheathed in the pin-and-hole of left coupling shaft and big sleeve pipe and is connected left coupling shaft and big sleeve pipe, thereby another straight pin is sheathed in the pin-and-hole of right coupling shaft and small casing and is connected right coupling shaft and small casing.
4. the described high-efficiency large-swinging-angle large-slippage-quantity constant-speed transmission shaft assembly of claim 3, it is characterized in that: an end of described each straight pin respectively is provided with interior threaded hole.
5. high-efficiency large-swinging-angle large-slippage-quantity constant-speed transmission shaft assembly as claimed in claim 1 or 2, it is characterized in that: the outside of the ectosphere cage of described Rzeppa type center fixation type constant velocity universal joint is provided with the connection spline, and also be provided with the lock pin mounting platform in this side, the lock pin mounting platform is provided with pin-and-hole, this pin-and-hole is horizontally through the one teeth groove of spline, and be provided with annular boss in this pin-and-hole, in pin-and-hole, be provided with lock pin, described lock pin is step-like, the end of the miner diameter end of lock pin is provided with draw-in groove, jump ring is arranged in the draw-in groove, be provided with pressure spring between the annular boss of jump ring and pin-and-hole, its part of the bigger diameter end of lock pin falls into described spline one teeth groove under the elastic force of pressure spring.
6. high-efficiency large-swinging-angle large-slippage-quantity constant-speed transmission shaft assembly as claimed in claim 3, it is characterized in that: the outside of the ectosphere cage of described Rzeppa type center fixation type constant velocity universal joint is provided with the connection spline, and also be provided with the lock pin mounting platform in this side, the lock pin mounting platform is provided with pin-and-hole, this pin-and-hole is horizontally through the one teeth groove of spline, and be provided with annular boss in this pin-and-hole, in pin-and-hole, be provided with lock pin, described lock pin is step-like, the end of the miner diameter end of lock pin is provided with draw-in groove, jump ring is arranged in the draw-in groove, be provided with pressure spring between the annular boss of jump ring and pin-and-hole, its part of the bigger diameter end of lock pin falls into described spline one teeth groove under the elastic force of pressure spring.
7. high-efficiency large-swinging-angle large-slippage-quantity constant-speed transmission shaft assembly as claimed in claim 4, it is characterized in that: the outside of the ectosphere cage of described Rzeppa type center fixation type constant velocity universal joint is provided with the connection spline, and also be provided with the lock pin mounting platform in this side, the lock pin mounting platform is provided with pin-and-hole, this pin-and-hole is horizontally through the one teeth groove of spline, and be provided with annular boss in this pin-and-hole, in pin-and-hole, be provided with lock pin, described lock pin is step-like, the end of the miner diameter end of lock pin is provided with draw-in groove, jump ring is arranged in the draw-in groove, be provided with pressure spring between the annular boss of jump ring and pin-and-hole, its part of the bigger diameter end of lock pin falls into described spline one teeth groove under the elastic force of pressure spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810059745A CN100580267C (en) | 2008-02-21 | 2008-02-21 | High-efficiency large-swinging-angle large-slippage-quantity constant-speed transmission shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810059745A CN100580267C (en) | 2008-02-21 | 2008-02-21 | High-efficiency large-swinging-angle large-slippage-quantity constant-speed transmission shaft assembly |
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| Publication Number | Publication Date |
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| CN101255893A CN101255893A (en) | 2008-09-03 |
| CN100580267C true CN100580267C (en) | 2010-01-13 |
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| CN200810059745A Active CN100580267C (en) | 2008-02-21 | 2008-02-21 | High-efficiency large-swinging-angle large-slippage-quantity constant-speed transmission shaft assembly |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634345A (en) * | 2009-05-08 | 2010-01-27 | 万向钱潮股份有限公司 | Constant velocity driving shaft assembly with large oscillation angle and large slip amount |
| CN101846141B (en) * | 2010-05-05 | 2014-03-05 | 宁波珈多利机械有限公司 | Detachable connecting device for preventing connection shedding of inner ball cage and gearbox differential mechanism |
| CN102352891B (en) * | 2011-10-22 | 2016-01-20 | 襄阳博亚精工装备股份有限公司 | With the synchronous universal coupling in intermediate support formula three ball cage joints |
| CN105485311A (en) * | 2016-01-18 | 2016-04-13 | 力帆实业(集团)股份有限公司 | Drive shaft device and automobile |
| CN106678162A (en) * | 2017-01-22 | 2017-05-17 | 南宁市武拖机械有限责任公司 | Transmission shaft of bowing steering tractor |
| CN106641002A (en) * | 2017-01-24 | 2017-05-10 | 宁波珈多利机械有限公司 | Large-oscillating-angle and great-movement-amount rear constant velocity driving shaft for all-terrain vehicle |
| CN111765177A (en) * | 2019-04-02 | 2020-10-13 | 长城汽车股份有限公司 | Driving shaft assembly |
| CN110439936A (en) * | 2019-09-05 | 2019-11-12 | 浙江昌亨机械有限公司 | A kind of ball-type transmission shaft |
| CN114673736B (en) * | 2022-01-27 | 2024-04-30 | 安徽英克尔汽车零部件有限公司 | Large-swing-angle large-slippage assembled transmission shaft assembly and manufacturing method thereof |
| CN114608417A (en) * | 2022-02-14 | 2022-06-10 | 安徽英克尔汽车零部件有限公司 | Device and method for detecting clearance of automobile transmission shaft assembly |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB958577A (en) * | 1960-04-09 | 1964-05-21 | Brd Co Ltd | Improvements in or relating to transmission couplings |
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2008
- 2008-02-21 CN CN200810059745A patent/CN100580267C/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB958577A (en) * | 1960-04-09 | 1964-05-21 | Brd Co Ltd | Improvements in or relating to transmission couplings |
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| CN101255893A (en) | 2008-09-03 |
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