CN2656708Y - Self centering dual universal drive shaft - Google Patents
Self centering dual universal drive shaft Download PDFInfo
- Publication number
- CN2656708Y CN2656708Y CN 200320106504 CN200320106504U CN2656708Y CN 2656708 Y CN2656708 Y CN 2656708Y CN 200320106504 CN200320106504 CN 200320106504 CN 200320106504 U CN200320106504 U CN 200320106504U CN 2656708 Y CN2656708 Y CN 2656708Y
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- CN
- China
- Prior art keywords
- universal
- joint
- joint fork
- fork
- universal joint
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- Expired - Lifetime
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Abstract
This utility model relates to a self-centering dual universal joint driving shaft which consists of a spline shaft with a dual universal joint, a spline tube with a dual universal joint, and a flange plate. The dual universal joint includes a universal joint fork with a pivot shaft and a universal joint fork with a ball socket; the ball socket is provided with a centering bearing inside; the pivot shaft of the universal joint fork is fixed in the centering bearing. Axes of the two universal joints intersect at the center of the centering bearing. This utility model can transmit torque and rotational speed nearly uniformly, therefore the model has a property of quasi constant velocity. In addition, the model has reliable performance and convenient maintenance.
Description
(1) technical field under
The utility model relates to a kind of self contering twin Cardan shaft, the self contering twin Cardan shaft that particularly a kind of engineering machinery, special purpose vehicle, go-anywhere vehicle use.
(2) background technique
The transmission shaft that adopts on some engineering machinery at home and the most of truck all is a single cross axle formula transmission shaft at present.When having certain included angle between input shaft and the output shaft, it all is heterogeneous that torque and rotating speed pass to output terminal from input end.Will produce a torsional vibration like this and pass to driven device, to exerting a certain influence in the performance and working life of driven device; For the steering drive axle of some automobiles, power is delivered to the wheel limit and adopts Rzeppa type or weiss universal joint transmission shaft more from the bridge stage casing.Though this transmission shaft can evenly must transmit rotating speed and torque, but Rzeppa type and weiss universal joint be big because of its manufacturing precision height, difficulty, need the complete external special-purpose processing equipment that cause, and investment cost is big, and the price height also becomes the bottleneck that domestic constant speed transmission shaft develops.
(3) summary of the invention
The utility model has proposed self contering twin Cardan shaft at the deficiencies in the prior art, and it not only has accurate constant speed, can be with torque and rotating speed near even must the transmission, and also reliable performance, maintaining are convenient.
The utility model is realized by following measure:
The utility model discloses a kind of self contering twin Cardan shaft, form by the splined shaft that has the twin universal joint, the spline tube that has the twin universal joint, flange plate, described twin universal joint comprises the universal-joint fork of being with pivot and the universal-joint fork of dribbling nest, be fixed with needle bearing and needle bearing seat on the universal-joint fork of band pivot, be fixed with jump ring on the universal-joint fork of dribbling nest, be connected with the duplex fork by needle bearing seat, needle bearing and jump ring between the universal-joint fork of the universal-joint fork of band pivot and dribbling nest; Have a centration axis to hold in the ball-and-socket of the universal-joint fork of dribbling nest, the pivot of the universal-joint fork of band pivot is fixed in the alignment bearing, and the axes intersect of two universal joints is on the centre of sphere of alignment bearing.
Self contering twin Cardan shaft of the present utility model, alignment bearing has a stuffing box gland outward, is full of lubricating grease in the stuffing box gland.
Self contering twin Cardan shaft of the present utility model has intersection serration spline on the exterior edge face of described flange plate.
The utility model working principle is: self contering twin Cardan shaft is made up of the splined driveshaft tube of a band double cardan universal joint and the splined driveshaft axle of a band double cardan universal joint.The universal-joint fork of the universal-joint fork of band pivot and dribbling nest links to each other with the duplex fork by needle bearing seat, needle bearing and jump ring.Alignment bearing is contained in the universal-joint fork of dribbling nest, and the universal-joint fork of band pivot is inserted in the alignment bearing.In movement process, the axis of two universal-joint forks intersects on the centre of sphere of alignment bearing all the time, as pivoted, and can relatively move.Torque is transmitted by the fork of the duplex between two universal joints.If the twin universal joint is some angles, two single universal joint angle adjustables are to half of between centers angle.When angle reaches 42 ° between greatest axis like this, rotatablely move and also approach constant-speed transmission.Alignment bearing wherein is full of lubricating grease by the stuffing box gland sealing.Variable in distance between transmission shaft input end and the output terminal can realize by relatively moving of telescopic transmission shaft joint.The flange plate that end face has intersection serration spline links up transmission shaft and driving, driven device.
The beneficial effects of the utility model are, can have accurate constant speed with torque and rotating speed near advancing to transmit equably, and reliable performance, and maintaining is convenient.
(4) description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the structural representation of twin universal joint of the present utility model
Fig. 3 is the structural representation of flange plate of the present utility model
Among the figure, 1 flange plate, 2 splined shafts, 3 spline tubes, 4 needle bearing seats, 5 needle bearings, the universal-joint fork of 6 band pivots, 7 stuffing box glands, 8 alignment bearings, 9 duplexs fork, 10 grease nipples, 11 jump rings, the universal-joint fork of 12 dribbling nests
(5) embodiment
Be illustrated in figure 1 as the structural representation of the self contering twin Cardan shaft of present embodiment.Form by splined shaft (2), spline tube (3), twin universal joint, flange plate (1).
Be illustrated in figure 2 as the structural representation of present embodiment twin universal joint.The twin universal joint comprises the universal-joint fork (6) of being with pivot and the universal-joint fork (12) of dribbling nest, be fixed with needle bearing (5) and needle bearing seat (4) on the universal-joint fork of band pivot, be fixed with jump ring (11) and grease nipple (10) on the universal-joint fork (12) of dribbling nest, be connected with duplex fork (9) by needle bearing seat, needle bearing and jump ring between the universal-joint fork of the universal-joint fork of band pivot and dribbling nest; Have a centration axis to hold (8) in the ball-and-socket of the universal-joint fork (12) of dribbling nest, the pivot of the universal-joint fork (6) of band pivot is fixed in the alignment bearing; The axes intersect of two universal joints is on the centre of sphere of alignment bearing.Alignment bearing (8) is outer a stuffing box gland (7), is full of lubricating grease in the stuffing box gland.
Be illustrated in figure 3 as the structural representation of the flange plate of present embodiment, have intersection serration spline on the exterior edge face of described flange plate (1).
Claims (3)
1. self contering twin Cardan shaft, it is splined shaft (2) by the band double cardan universal joint, the spline tube (3) of band double cardan universal joint, flange plate (1) is formed, it is characterized in that: described twin universal joint comprises the universal-joint fork (6) of being with pivot and the universal-joint fork (12) of dribbling nest, be fixed with needle bearing (5) and needle bearing seat (4) on the universal-joint fork of band pivot, be fixed with jump ring (11) on the universal-joint fork (12) of dribbling nest, pass through the needle bearing seat between the universal-joint fork of the universal-joint fork of band pivot and dribbling nest, needle bearing and jump ring are connected with duplex fork (9); Have a centration axis to hold (8) in the ball-and-socket of the universal-joint fork (12) of dribbling nest, the pivot of the universal-joint fork (6) of band pivot is fixed in the alignment bearing, and the axes intersect of two universal joints is on the centre of sphere of alignment bearing.
2. self contering twin Cardan shaft according to claim 1 is characterized in that: alignment bearing (8) is outer a stuffing box gland (7), is full of lubricating grease in the stuffing box gland.
3. self contering twin Cardan shaft according to claim 1 and 2 is characterized in that: have intersection serration spline on the exterior edge face of described flange plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320106504 CN2656708Y (en) | 2003-10-27 | 2003-10-27 | Self centering dual universal drive shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320106504 CN2656708Y (en) | 2003-10-27 | 2003-10-27 | Self centering dual universal drive shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2656708Y true CN2656708Y (en) | 2004-11-17 |
Family
ID=34341726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320106504 Expired - Lifetime CN2656708Y (en) | 2003-10-27 | 2003-10-27 | Self centering dual universal drive shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2656708Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782103A (en) * | 2010-02-26 | 2010-07-21 | 苏州苏万万向节有限公司 | Sealing structure for duplex universal joint |
| CN102182764A (en) * | 2011-05-30 | 2011-09-14 | 襄樊市博亚机械有限公司 | Swivel coupling universal joint component |
| CN103201489A (en) * | 2010-10-21 | 2013-07-10 | 萨热姆防务安全公司 | Actuation system for a propulsive unit of an airplane |
| CN103644196A (en) * | 2013-11-26 | 2014-03-19 | 瓦房店轴承砂轮制造有限公司 | Bulb automobile hitch yoke |
-
2003
- 2003-10-27 CN CN 200320106504 patent/CN2656708Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782103A (en) * | 2010-02-26 | 2010-07-21 | 苏州苏万万向节有限公司 | Sealing structure for duplex universal joint |
| CN103201489A (en) * | 2010-10-21 | 2013-07-10 | 萨热姆防务安全公司 | Actuation system for a propulsive unit of an airplane |
| CN102182764A (en) * | 2011-05-30 | 2011-09-14 | 襄樊市博亚机械有限公司 | Swivel coupling universal joint component |
| CN102182764B (en) * | 2011-05-30 | 2015-11-11 | 襄阳博亚精工装备股份有限公司 | Constituent element of swivel-joint coupling universal joint |
| CN103644196A (en) * | 2013-11-26 | 2014-03-19 | 瓦房店轴承砂轮制造有限公司 | Bulb automobile hitch yoke |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA NATIONAL HEAVY DUTY TRUCK GROUP CORP., LTD. Free format text: FORMER OWNER: CHINA HEAVY AUTOMOBILE GROUP CO., LTD. Effective date: 20061013 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20061013 Address after: 250116, Shandong province Ji'nan City Central Party home town head Patentee after: China Heavy-duty Car Group Co., Ltd. Address before: Shadowless Hill Road Ji'nan city Shandong province 250031 No. 53 Patentee before: China Heavy-Duty Car Group Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20131027 Granted publication date: 20041117 |