CN103470649A - Shock-absorbing three-fork-rod axially-and-fixedly-connected constant-angular-velocity universal coupling - Google Patents
Shock-absorbing three-fork-rod axially-and-fixedly-connected constant-angular-velocity universal coupling Download PDFInfo
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- CN103470649A CN103470649A CN201310443556.3A CN201310443556A CN103470649A CN 103470649 A CN103470649 A CN 103470649A CN 201310443556 A CN201310443556 A CN 201310443556A CN 103470649 A CN103470649 A CN 103470649A
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- fork arm
- driven axle
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- 230000008878 coupling Effects 0.000 title claims abstract description 53
- 238000010168 coupling process Methods 0.000 title claims abstract description 53
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 238000013016 damping Methods 0.000 claims description 24
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 229910001018 Cast iron Inorganic materials 0.000 claims 1
- 239000011358 absorbing material Substances 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 230000009347 mechanical transmission Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract 2
- 239000002184 metal Substances 0.000 description 3
- 241000239290 Araneae Species 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Abstract
The invention discloses a shock-absorbing three-fork-rod axially-and-fixedly-connected constant-angular-velocity universal coupling, which comprises a driving shaft, a driving shaft connecting disc, power transmission sliding rod components, radial fork rods, double-ball pins, a fork rod joint, a driven shaft connecting shaft and a driven shaft. The torque of the driving shaft is transmitted to three groups of power transmission sliding rod components through the three radial fork rods, the driven shaft connecting disc is driven to drive the driven shaft to rotate, and the double-ball pins bear axial tension produced during mechanical transmission and plays a role of fixed connection. Since the power transmission method of the coupling is realized through surface contact and high-quality shock absorbing elements are used, the coupling has the advantages of high bearing capacity, good shock absorbing effect and the like.
Description
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Technical field
The present invention relates to a kind of angular speed universal coupling, specifically a kind of three fork arms of the damping type for mechanical transmission axially connect firmly the formula angular speed universal coupling.
Background technique
In mechanical transmission, Hooks coupling universal coupling is to have driving shaft and the driven shaft of certain angle for connecting, and makes the mechanical parts of its common rotation and then transmitting torque.The Main Function of Hooks coupling universal coupling is for being connected of power engine and working machine, and is that the engineering goods axle is the most frequently used connected element of transmission.At present both at home and abroad Hooks coupling universal coupling production development is very fast, and varieties and characteristics is different, commonly used universal coupling with spider, the Tripod Universal Joint and the Rzeppa type Hooks coupling universal coupling of mainly containing.Wherein, universal coupling with spider is the transmission of non-isogonism speed, and latter two is the transmission of isogonism speed.Due to angular speed universal coupling, to have transmission efficiency high, the advantage such as performance is good and more being widely used.
But but there is following a few deficiency in existing angular speed universal coupling: at first, in mechanical transmission course, can inevitably produce vibration, but the Hooks coupling universal coupling of damping type very lacks in the market; In addition, because the power transmission way of contact of existing angular speed universal coupling mostly is a contact or line contact, caused its bearing capacity little, application area is narrow; Also have, for the Tripod Universal Joint, lack the product of fixed model always.Therefore, in order to overcome above problem, the invention provides a kind of damping capacity strong, transmitting torque is large, and damping type three fork arms of axial restraint formula axially connect firmly the formula angular speed universal coupling.
Summary of the invention
In order to overcome the shortcoming of Hooks coupling universal coupling in prior art, the invention provides a kind of damping type three fork arms and axially connect firmly the formula angular speed universal coupling.
Technological scheme of the present invention is: damping type three fork arms axially connect firmly the formula angular speed universal coupling, mainly comprise driving shaft, driving shaft land, power transmission slide bar assembly, radially fork arm, two ball stud, fork arm joint, driven axle land and driven axle.Driving shaft is connected by the spline interference with the driving shaft land, three two ends corresponding being fastenedly connected in three circular holes on driving shaft land and fork arm joint respectively of fork arm radially, three cover power transmission slide bar assembly one end joint shaft bearings inner by it are arranged on three radially on fork arm, the other end overlaps and the corresponding connection of three square openings on the driven axle land by square metal, this structure contacts mode of transfer force by original some contact and becomes the face contact with line, improved the bearing capacity of Hooks coupling universal coupling, the driven axle land is connected by the spline interference with driven axle.Tapped hole in two ball stud one ends and fork arm joint is threaded connection, and fixes by hex-head nut; Tapped hole in the other end and driven axle land is threaded connection fixing.This structure connects firmly fork arm joint and driven axle land, can limit the axial motion between driving shaft and driven axle, the centre of two ball studs is two bulbs, form two spherical pairs, part by sphere is waved, thereby allow fork arm joint and driven axle land that certain angle is arranged, and then alleviate self disturbance of driven axle.
Damping type three fork arms of the present invention axially connect firmly formula angular speed universal coupling driving shaft top and have spline, and driving shaft is connected with the interference of driving shaft land inner spline groove by spline.
Damping type three fork arms of the present invention axially connect firmly formula angular speed universal coupling driving shaft land and comprise spigot and socket.The inner spline groove that spigot is the driving shaft land, for connecting driving shaft; Socket becomes 120
othree manholes of axial distribution, fixing for fork arm radially.
The power transmission slide bar assembly that damping type three fork arms of the present invention axially connect firmly the formula angular speed universal coupling comprises power transmission slide bar, joint shaft bearing, elastic sleeve and metallic sheath.The power transmission slide bar is the main body of power transmission slide bar assembly, and in force transferring slide club head cylinder, ring is fastenedly connected with joint shaft bearing, and the afterbody square pole is the flexible cover of adapter sleeve and metallic sheath successively.Joint shaft bearing is arranged on radially on fork arm, does small slip; Metallic sheath is arranged in driven axle land square hole, and can in hole, slide.Elastic sleeve adopts the rubber material manufacture of absorbing, because power transmission slide bar assembly becomes 120 by the active axis
odistribute and arrange, when mechanical vibration occurring, just can absorb the vibration that all directions produce, make Hooks coupling universal coupling there is obvious effectiveness in vibration suppression.
Damping type three fork arms of the present invention axially connect firmly the formula angular speed universal coupling radially fork arm be the cylindrical metal bar, for connecting driving shaft land and fork arm joint.
Damping type three fork arms of the present invention axially connect firmly the two ball studs of formula angular speed universal coupling and comprise two bulbs and two ball pins.Two bulbs are shaped as two relative grooves, and two ball stud heads are enclosed within respectively in two grooves of two bulbs, form two spherical pairs, and bulb pin rod section is outside thread, and two ball studs are respectively used to be fixedly connected on fork arm joint and driven axle land.
Damping type three fork arms of the present invention axially connect firmly formula angular speed universal coupling fork arm joint and become 120
othree circular blind holes of axial distribution, for radially fork arm is installed, there is tapped through hole inside, for connecting two ball studs, and fixes by hexagon nut.
Damping type three fork arms of the present invention axially connect firmly formula angular speed universal coupling driven axle land and axially become 120
obe distributed with three square openings, for power transmission slide bar assembly is installed, outer surface axis place has tapped blind hole, with two ball studs, is threaded, and inside has inner spline groove, for connecting driven axle.
Damping type three fork arms of the present invention axially connect firmly formula angular speed universal coupling driven axle top and have spline, with the interference of driven axle land inner spline groove, are connected.
In the course of the work, driving shaft drives three radially fork arm rotations by driving shaft land and fork arm joint, advances moment of torsion is passed to three groups of power transmission slide bar assemblies, and the power transmission slide bar drives the driven axle land by metallic sheath, finally orders about the driven axle constant speed and rotates.Simultaneously, the axial tension that two ball studs produce while bearing driving shaft and driven axle rotation, play the effect of connecting firmly.In working procedure, the forms of motion of vital part is: power transmission slide bar assembly comes and goes and slides in the square hole of driven axle land; The land portions of joint shaft bearing swings; In joint shaft bearing, ring is radially done small slip on fork arm at three; Two land portions of two ball studs swing.Axis angle between driving shaft of the present invention and driven axle can reach 30
o.
Adopt the obtained beneficial effect of such scheme to be:
1, driving shaft contacts with the power transmission way of contact employing face between driven axle, has improved the bearing capacity of Hooks coupling universal coupling;
2, every cover power transmission slide bar assembly is furnished with an elastic sleeve, and distributes and place with respect to driven axle, has improved the damping capacity of Hooks coupling universal coupling;
3, between fork arm joint and driven axle land, adopt two ball studs to connect firmly, can limit the axial motion in the middle of driving shaft and driven axle, two bulbs also can alleviate self disturbance of driven axle simultaneously;
4, with existing angular speed universal coupling, compare, the present invention has simple in structure, easy for installation, and processing cost is low, the remarkable advantages such as applied range.
The accompanying drawing explanation
Fig. 1: damping type three fork arms of the present invention axially connect firmly formula angular speed universal coupling three-dimensional structure diagram.
Fig. 2: damping type three fork arms of the present invention axially connect firmly formula angular speed universal coupling explosive view.
Fig. 3: damping type three fork arms of the present invention axially connect firmly formula angular speed universal coupling power transmission slide bar assembly explosive view.
In figure: the 1-driving shaft, 2-driving shaft land, 3-power transmission slide bar, the 4-joint shaft bearing, the 5-elastic sleeve, the 6-metallic sheath, the 7-hex-head nut, 8-is fork arm radially, the two ball studs of 9-, 10-fork arm joint, 11-driven axle land, 12-driven axle.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the invention is further described.
As shown in Figure 1, 2, 3, damping type three fork arms axially connect firmly the formula angular speed universal coupling, comprise driving shaft 1, driving shaft land 2, power transmission slide bar assembly 3,4,5,6, hex-head nut 7, radially fork arm 8, two ball studs 9, fork arm joint 10, passive coupling shaft 11 and driven axle 12.Driving shaft 1 is connected by the spline interference with active coupling shaft 2; Three two ends corresponding being fastenedly connected in three circular holes on driving shaft land 2 and fork arm joint 10 respectively of fork arm 8 radially; Power transmission slide bar 3 is main bodys of power transmission slide bar assembly, and in power transmission slide bar 3 head cylinders, ring is fastenedly connected with joint shaft bearing 4, and the afterbody square pole is fastened with elastic sleeve 5 and metallic sheath 6 successively; Three cover power transmission slide bar assembly one end joint shaft bearings 4 inner by it are arranged on three radially on fork arm 8, and can radially on fork arm 8, slide, the other end by square metal overlap 6 with the corresponding connection of three square openings on driven axle land 11, and can in hole, slide; Driven axle land 11 is connected by the spline interference with driven axle 12.Tapped hole in two ball stud 9 one ends and fork arm joint 10 is threaded connection, and fixing by hex-head nut 7, tapped hole in the other end and driven axle land 11 is threaded connection fixing, this structure connects firmly fork arm joint 10 and driven axle land 11, thus the axial motion of 12 of restriction driving shaft 1 and driven axles.
In the course of the work, driving shaft 1 drives three radially fork arm 8 rotations by driving shaft land 2 and fork arm joint 10, and then moment of torsion is passed to three groups of power transmission slide bar assemblies, power transmission slide bar 3 drives driven axle land 11 by metallic sheath 6, finally orders about driven axle 12 constant speed and rotates.Simultaneously, the axial tension that two ball studs 9 produce while bearing driving shaft 1 and driven axle 12 rotation, play the effect of connecting firmly.In working procedure, the forms of motion of vital part is: power transmission slide bar assembly comes and goes and slides in the square hole of driven axle land 11; The land portions of joint shaft bearing 4 swings; The interior ring of joint shaft bearing 4 is radially done small slip on fork arm 8 at three; Two land portions of two ball studs 9 swing.Axis angle between driving shaft 1 of the present invention and driven axle 12 can reach 30
o.
Claims (3)
1. damping type three fork arm damping type three fork arms axially connect firmly the formula angular speed universal coupling, it is characterized in that: comprise driving shaft, driving shaft land, power transmission slide bar assembly, radially fork arm, two ball stud, fork arm joint, driven axle land and driven axle; The driving shaft top has spline, and this spline is connected with the spline interference of driving shaft land inside; The socket of driving shaft land becomes 120
othree manholes of axial distribution; The fork arm joint becomes 120
othree circular blind holes of axial distribution; Three radially the two ends of fork arm be respectively charged in driving shaft land and corresponding three circular holes of fork arm joint, and adopt interference to connect; Three cover power transmission slide bar assembly joint shaft bearings inner by it are arranged on three radially on fork arm; The driven axle land axially becomes 120
obe distributed with three square openings, the metallic sheath skin and the corresponding connection of three square openings of driven axle land of three cover power transmission slide bar assemblies; The driven axle land is connected by the spline interference with driven axle; Fork arm joint axial inner has tapped through hole, and driven axle land axial inner has tapped blind hole, and two ball studs both sides are threaded connection with fork arm joint and driven axle land respectively, the fork arm joint with by hex-head nut, fix after two ball studs are threaded.
2. damping type three fork arms according to claim 1 axially connect firmly the formula angular speed universal coupling, it is characterized in that: power transmission slide bar assembly comprises power transmission slide bar, joint shaft bearing, elastic sleeve and metallic sheath; The power transmission slide bar is the main body of power transmission slide bar assembly, and head is circular cylinder, and afterbody is square stock; Joint shaft bearing can adopt standard piece, and outer ring is fastened in force transferring slide club head cylinder in ring, and inner ring is arranged on radially on fork arm; Elastic sleeve and metallic sheath are foursquare tubular cover inside and outside being all, and adapter sleeve is in power transmission slide bar afterbody square stock according to this, and the outer correspondence of metallic sheath is arranged in driven axle land square opening.
3. damping type three fork arms according to claim 2 axially connect firmly the formula angular speed universal coupling, it is characterized in that: what described elastic sleeve was used is rubber-like absorbing material, and what metallic sheath adopted is the antiwear cast iron alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310443556.3A CN103470649B (en) | 2013-09-26 | 2013-09-26 | Shock-absorbing three-fork-rod axially-and-fixedly-connected constant-angular-velocity universal coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310443556.3A CN103470649B (en) | 2013-09-26 | 2013-09-26 | Shock-absorbing three-fork-rod axially-and-fixedly-connected constant-angular-velocity universal coupling |
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| Publication Number | Publication Date |
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| CN103470649A true CN103470649A (en) | 2013-12-25 |
| CN103470649B CN103470649B (en) | 2015-06-24 |
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| CN201310443556.3A Expired - Fee Related CN103470649B (en) | 2013-09-26 | 2013-09-26 | Shock-absorbing three-fork-rod axially-and-fixedly-connected constant-angular-velocity universal coupling |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321673A (en) * | 2016-11-17 | 2017-01-11 | 青岛科技大学 | Thermal-insulation and vibration attenuationslide bar type universal coupling |
| CN106351972A (en) * | 2016-11-17 | 2017-01-25 | 青岛科技大学 | Heat insulation and vibration reduction slider type universal coupling |
| CN106838030A (en) * | 2017-04-13 | 2017-06-13 | 青岛科技大学 | A kind of angular speed universal coupling of axial displacement compensation |
| CN107091279A (en) * | 2017-05-09 | 2017-08-25 | 青岛科技大学 | A kind of interior triadius type angular speed universal coupling |
| CN108591295A (en) * | 2018-07-02 | 2018-09-28 | 青岛科技大学 | A kind of sliding constant angular velocity Hooks coupling universal coupling of compact |
| CN108916258A (en) * | 2018-09-17 | 2018-11-30 | 青岛科技大学 | Three fork arm spring column pin formula Hooks coupling universal couplings |
-
2013
- 2013-09-26 CN CN201310443556.3A patent/CN103470649B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321673A (en) * | 2016-11-17 | 2017-01-11 | 青岛科技大学 | Thermal-insulation and vibration attenuationslide bar type universal coupling |
| CN106351972A (en) * | 2016-11-17 | 2017-01-25 | 青岛科技大学 | Heat insulation and vibration reduction slider type universal coupling |
| CN106838030A (en) * | 2017-04-13 | 2017-06-13 | 青岛科技大学 | A kind of angular speed universal coupling of axial displacement compensation |
| CN106838030B (en) * | 2017-04-13 | 2023-09-05 | 青岛科技大学 | Axial displacement compensation equal-angular-speed universal coupling |
| CN107091279A (en) * | 2017-05-09 | 2017-08-25 | 青岛科技大学 | A kind of interior triadius type angular speed universal coupling |
| CN107091279B (en) * | 2017-05-09 | 2023-08-29 | 青岛科技大学 | Internal three-fork type constant-angular-speed universal coupling |
| CN108591295A (en) * | 2018-07-02 | 2018-09-28 | 青岛科技大学 | A kind of sliding constant angular velocity Hooks coupling universal coupling of compact |
| CN108916258A (en) * | 2018-09-17 | 2018-11-30 | 青岛科技大学 | Three fork arm spring column pin formula Hooks coupling universal couplings |
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| Publication number | Publication date |
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| CN103470649B (en) | 2015-06-24 |
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Effective date of registration: 20190712 Address after: 266000 Chaohaixi Community 228, Hetao Street, Hongdao Economic Zone, Qingdao City, Shandong Province Patentee after: Qingdao Runxuda Trading Co., Ltd. Address before: 266000 Shandong province Qingdao City Songling Road No. 99 Patentee before: Qingdao University of Science & Technology |
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Granted publication date: 20150624 Termination date: 20190926 |
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