JPS59500381A - Gear train with internal gear mechanism - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Gear train with internal gear mechanism Technical field The present invention generally relates to a gear train having an internal gear mechanism, and particularly to a gear train having a continuously variable transmission unit. The present invention relates to a gear train of the unit that expands its useful range.

Background technology This invention was published in Eve S. Chempa, May 8, 1979, and published in Tolo, Michigan. Transferred to Vadetec Corporation in India. A continuously variable transmission unit of the type disclosed in U.S. Pat. No. 4,152,946. Particularly useful for real three sequences of numbers. This type of continuously variable transmission, hereinafter referred to as a CVT unit. The motion unit is a traction drive type. ype), and is extremely promising as a dual-purpose product.

For the special urine mentioned above! In a common type of OVT unit, there are three working parts. output/input speed ratio that can be transmitted over a predetermined range using Transmits torque to the member. The acting body has a solid shaft; instead, it has a pair of rotating shafts. A first body portion having an inner friction surface that is movable in the direction, and an inclined axis intersecting the central axis. a pair of conical outer friction surfaces that rotate around A component that is rotatably supported and applied to the a third body supporting the second body so that the rotational torque causes single-acting motion of the tilt axis; Indicated by The first body part is held stationary as a counter-harvesting member, and the third body part is driven as an input member, the second body acts as an output to the gear train, and A drive pinion gear may be coupled to the drive pinion gear. Conical shape of the second body 2” When the first body moves axially relative to plane A, the desired change in speed ratio to output occurs. arise. The technical performance and operating parameters of these transmission devices are discussed in Paper No. 8. O-C2/DET-63, August 18-21, 1980, P, L- and AFFLerican 5 entitled “Performance of Single Acting Traction Drives” by Y. Kember. described in the paper of the Society of Mechanical Engineers. It will be done.

The physical characteristics of many of these CVT units result in relatively high efficiencies compared to speed ratios. It can be obtained over a narrow range of purposes. While holding the sword, move the three exit key rows. By combining two of the headquarters, the speed ratio range of the CVT unit is expanded. , while a relatively high efficiency is maintained.

Conventional single output to extend speed range? The row is described in U.S. Patent No. 4.152.9 mentioned above. 46 No. 17) No. 21 is shown in Figures 1 and 7, and the output shaft has one bevel gear. ．． There are three convex convex gears with a common apex so that they fit together. It is equipped with an external operable gear set. However, the outer bevel gear set is a CVT unit. It shows significant gear tooth friction loss which reduces the overall motion of the knit. Besides, ri1. teeth The set of bell gears has a high arch, so there are 3 The amount of space left is minimal. Furthermore, the axial position of externally toothed bevel gears relative to each other Adjusting settings is relatively complex.

Therefore, the efficiency is high, such as expanding the speed range and showing efficient gear tooth meshing. It is compact and has enough space for the support bearing, and the structure is simple and economical. To provide an improved gear train for use in OVT units of the above-mentioned type which are is desirable.

The present invention is directed to a gear train that overcomes one or more of the problems described above. .

Disclosure of invention In one aspect of the invention, the gear train is supported by a body rotatable about a solid axis; The M1 pinion gear is rotatably mounted on the body on the inclined axis, and the second pinion gear is rotatably mounted on a solid shaft. The gear row is connected to the body part on the nutation axis center and the first pinion. rotatable to the body to transmit torque between the on-gear and the second pinion gear Advantageously, it has an internally toothed gear beak that is attached to the beak.

On the side of the pond, the gear train is supported by a rotatable body around the central , the first gear is rotatably attached to the body on the inclined axis that intersects the central cable center. The second vinyl gear is rotatably mounted on a solid shaft, and the gear train is attached to the body. an internal gear mechanism having an internal tapered gear that is rotatably mounted; The pinion gears are engaged with the internally toothed tapered gears in an alternating manner.

1st grade mock 59-500381 (3) Another aspect of Hon Akanemei is that the gear train is supported by a body that can rotate around a solid axis. , the first pinion gear is rotatably mounted on the body on an inclined axis intersecting the solid axis. The second pinion gear is rotatably mounted on the solid shaft center, and the gear train is connected to the first internal gear. The gear is coupled to the first pinion gear, and the second internal gear is coupled to the second pinion gear. It has first and second internal gears that are rotatably attached to the body as a unit so that the Equipped with an internal gear mechanism.

The gear train of the present invention is rotatably mounted on the input body of the CVT unit on the nutation axis. an internal gear with either one incisor gear or a pair of internal gears juxtaposed It is desirable to have a mechanism. Related to the inclined working body of the OVT unit A spur gear with teeth right next to the first pinion gear, and a second pinion gear or output pinion. A gear with sloped internal teeth that meshes with a spur gear that has immediate teeth is used. It is preferable to use This has a particularly efficient gear tooth intermeshed structure. This results in a relatively compact gear train, and yet, for example, A brief explanation of the speed ratio diagram of the c’vT unit related to things FIG. 1 shows an OVT unit having a gear train constructed according to the present invention at one end thereof. FIG. 2 is a diagrammatic longitudinal cross-sectional view, and FIG. FIG. 3 is a diagrammatic and considerably enlarged vertical cross-sectional view of a gear train portion, and FIG. It is a schematic zeta sectional view of the inner floor gear mechanism of the second example 1 for the row.

BEST MODE FOR CARRYING OUT THE INVENTION Referring first to Figure 1, the traction drive type drive type) CVT unit IO is indicated by the code /2 on the right side of the diagram. A gear train configured according to the present invention is provided. The illustrated vertical cross-sectional view is the first A plane having a solid axis /4', a second inclined axis /4, and a third nutation field center /g. We are prepared.

OVT unit) 10 is a bearing assembly; g and a right end portion 26 supporting the second bearing assembly 3o6. Equipped with Uzing 2o. The first year product of the three working lower parts of the CVT unit is The bearing assembly unit U rotates around the axis /4'.

It is equipped with a crank-shaped alpha body 3 units supported by 30 units.

In this example, the normal Its connection at δ to the input gear 33 to the power train driven by the engine or motor The power is then rotated to A'Q. However, the alpha body is the opposite 82 Similarly in section 1. : May be driven. Second action: This product carefully crosses the center at an intersection. A pair of end bearings in a circle so that it rotates around the inclined axis / 4 Assembly 36° has a single-acting beta body supported by 3g and designated in its entirety by 3q. We are prepared. The third effecting body is located at the center to change the speed ratio of the CV'I' unit. The omega body is movable in a concentric manner and in a concentric manner, and is indicated by the symbol ≠ U. I'm counting 8.

In particular, the single-acting beta body 31/ a pair of opposite and convergent conical shapes supported for both rotational and rotational motion It has a conical member 1i1 and #4. For this reason, the first pair of cylindrical The sleeve bearing member O is designed to freely support the stop or small end of the conical member. When the second pair of circular sleeve bearing members is fixed in place, the octopus is located proximal to the conical member. Freely support the large leg part on the shaft. Ball and ramp (1) cLllan dramp) The mechanism is located in the center of the shaft, and is connected by a spline joint 60. It has first and second annular collar members 5j non-rotatably coupled to the shaft. each The color is limited to a number of suitably slanted pockets and commemorative pockets. 6.2 is limited to the end face of each conical member and corresponds to the same type of revenge) Facing A-X. The force transmission balls 66 are facing each other) A: , 49 A resilient spring device 6 housed in each of the collars and located between the collars has a central intersection p.

From then on, the collar is moved continuously in the axial direction.

The omega body lI stone, the central meticulous lu; the circle side omega transfer face, which is the rotation face of the center, 7 A pair of axially capable tractions defining 11.74 (tfac!10? L) has a ring 70, '7u. These omega transfer surfaces are medium in cross section. It has a relatively constant radius at =V, although it may have a high radius. The traction The ring is not shown in the housing 20. They are movable symmetrically along the real axis so that they surround and overlap each other. In this example, The adjustment is screwably accommodated in the traction ring at both ends. Multiple parallel adjusting rods go with left and right side screws g2, gll We are prepared. Each rond is mounted on a bearing block g so as to rotate relative to the housing. freely supported by the public. The input pinion gaggle fixed to each rod is The gear teeth g are engaged with each other in a mutually meshing manner, so that the solid axis can be rotated in one direction. Due to the rotation of the control ring gear, the traction ring moves as shown by the imaginary contour line. are biased towards each other to a central position. The control ring gear is rotated in the opposite direction. When the traction rings move away from each other to the solid line position shown in FIG. be done.

Therefore, in order to produce a relative velocity change, the conical member 41.111; The beta transfer planes qo, q: which are limited to Omega transfer surface 7'l of traction ring 70, 7 units along the place,? kept by Party B match. Rotation occurs when the omega body center is constrained to its meticulous interlocking The relative speed relationship between the alpha body part 32 and the nutation axis dag is as follows: omega rolling surface 70, The inner diameter of 72 and the beta rolling surface 90 contacting the traction ring 70, 7, It is related to the outer diameter of q. Ball and ramp machine A54I with conical member and slope The rings are spaced apart from each other along the axis to provide a predetermined load-bearing engagement with the traction ring. 4'Fin. To this day, Ichiku Omote Showa 59-500381 (4) The operation of the CVT unit (CVT unit) 10 is described in its entirety in the above-mentioned U.S. Pat. disclosure and a ball-and-ramp borrowing of a CVT unit of the type shown in Figure 1. U.S. Patent by Harvey N. Beaulyot dated July 28, 1981 for No. 4,280.369 and is mechanically and functionally similar to the disclosure of Patent No. 4,280.369. No. 280.369 is incorporated herein by reference in its entirety.

Regarding the gear train shown most clearly in FIG. 2, the nutation axis lIg It is permitted to include a first pinion gear rotatably coupled to the . Therefore, the first pinion gear can rotate toward the alpha body part 32 at the inclined axis/B. It is indirectly attached to Noh. The second pinion gear q6 is integrally clasped to the output shaft qg. The housing can be rotated to 20 yen in the field receiving assembly 2g along Chuo Seishin/lI. I'm wearing it too much.

According to the present invention, the incisor gear device or allogeneic gear system 100 has three alpha bodies and , transmits torque between the first pinion gear 91I and the second pinion gear q6. Is the n1 yen tooth set like this? Ya charge can be rotated to alpha body at nutation axis/g It will be installed.

The internal gear 4 housing 100 has the same cylindrical bore 10u and a retaining ring limited to the bore. It is equipped with a point-like support hub 102 having a groove/(B).The cylindrical field receiving seat 10g is A pair of opposing Enji roller shafts are defined by the alpha body 32 concentrically to the dynamic axis /g. A receiver assembly iio is located in the seat. Retaining cap that limits the annular shoulder //2 The roller bearing assembly is attached to the opposing annular shoulder //g formed in the alpha body. 1 or more screws to ensure that the piece is firmly in place. It is removably fixed to the Alpha body using a fastener or bolt. sura The strain absorbing ring, G/20, is housed in the groove, and the shaft is placed in an appropriate centering position with the hub. Holds the outer ring of the receiving assembly.

The internal gear mechanism 100 includes a plurality of 7 bolts or bolts arranged around the hub. an 11th second circular tooth gear/22 which is removably fixed to the outer end surface of the two halves of the hub; /211 is making more money. Each internal gear /2.2, /PI has two conical or gear teeth of multiple internal teeth preferably arranged in a common cone and therefore sloped /ba, 130. It is recommended that the gear teeth be used with a single tooth. By "tooth" is meant that the gear teeth align with a plane passing through its rotational center. this is , 1st and 2nd vinyl issues? Yaqμ, 9 ko/32゜ Industrial applicability The CVT unit corresponding to the wide position setting of the traction rings 70 and 72 shown in FIG. TS) In the first mode of action of 10, the output shaft? The minimum torque and maximum speed conditions It rotates.

For example, a traction ring that is secured to a stationary guard and along the center 1rprr5T in the counterclockwise (Ca, V) direction when looking at the figure from the right: Not shown n With the alpha body 32 rotated by the normal power charge, the circle 2 gear position 1 00 rotates at approximately 0.05 rpm in the clockwise (cW) direction in accordance with its single-acting motion. In addition to its single-acting motion, the beta body 3t moves clockwise (cw) by about 1. Or pm, and the output shaft is rotated clockwise (Cw) at approximately 1.33 rpm. .

The juxtaposed position of the traction rings 70°72 as shown in phantom in FIG. In the second operation mode of the OVT unit 10 corresponding to and rotated at minimum speed. The traction truck is held stationary again. and the alpha body 32 rotated at l rpm in the counterclockwise (CCW) direction. As a result, the internal gear mechanism too+2 moves counterclockwise (CaW) at approximately 0.42'rpm. The beta body 3q is rotated clockwise (CW) at approximately 0.11 rpm. , the output shaft qg is rotated clockwise at about 0.3 Orpm.

The above-mentioned extreme values of the speed ratio range of the CVT unit 10 and the gear train l are approximately 0.5 or and the inner blade omega transfer surface between 0.9 and 0.9≠.

Changes in the ratio of the outer beta rolling surface lda, g4 with respect to 76 and the ratio of 7/6, respectively. 21 + 40' + 40, 18 in front of the gear /32, /, 2g.

/3-0, /, 74 (based on the number of.

Therefore, CV'l' unit) 10, the traction link along the central minute lα in the poem To set the position of the rods 70 and 72, rotate the circular running type 5, and the single acting '4 tig. , the total angular velocity of the No. It is recognized that the effect is flexible to change. Moreover, this range includes It can be changed by changing the distance of the transfer diameter. The gear train 12 used for this Output shaft in groove parameter? changes that change the overall characteristics applied to ff. You may change it.

If desired, the gear train /2 may include first and second pinion gears.

94 is a bevel gear with external teeth, and the first and second internal gears /2:t, /2 'l is an internally toothed bevel gear with a common vertex at the intersection tio. You may change it. A further modification is to remove all four of these bevel gear gears. The idea is to use a bevel gear with helical teeth. Single acting axis/g is medium in all examples. The real axis /4' and the inclined axis 16 do not have to be in a common plane, but the common plane is at right angles. When looked at, y is still between or between these.

'　Single internal tooth taper gear/Internal gear mechanism with only 3g 136tl-Using A second embodiment of the present invention is shown in FIG. In FIG. 3, explanations regarding the first embodiment are shown. Components having similar functions to those in ``n'' are designated by the same reference numerals.

In the gear train l in FIG. 3, the reaction of the moving surface q- on which the alpha body 32 is rotated is: As described above for the first embodiment, the nutation axis C and the first vinyl ngya 9q are do. However, the output torque is more than one; Ngiya? 6. The rolling bearing assembly/'72 is formed into an alpha g-circle. a corresponding outer cylindrical surface formed on the internal gear; , qg. Therefore, in the second embodiment, the incisor gear/3g is the alpha body. On the other hand, in the first embodiment, the internal gear mechanism/ θθ is supported from the inside by a transmission bearing assembly/10 on the alpha body.

Internal gear mechanism/31. The structure is not only simple and economical, but also has a solid axis. It has a narrow width along /l for compactness. For example, the pinio in Figure 3 Ngiya Seri.

q6 is perpendicular to the single acting axis ig and passes through the center of the bearing/4' unit on a common single acting plane l. Please note that it is located at In contrast, the corresponding pinion in Fig. The gear shaft and gear are separated in the axial direction. The pinion gear in Figure 3 has straight teeth. It is preferable to use a cylindrical spur gear with the same length, but internally toothed taper gear/3g teeth is preferable. These should be tapered to better fit the It is contemplated that slight modifications may be made to one or both of these.

Pinion gears 9μ, 96 may be of unequal diameter and have unequal numbers of teeth. In this case, if the single acting shaft center is in such an unbalanced state that it does not pass through the center point of the , Central eccentricity / Around 41 and 1 @Kakushin / To the point where the degree between 6 and D1 is not bisected by an angle of 5 degrees The single acting axis /g' (should be maintained in the normal plane of changing direction) at every position. . It has a sufficient structure to occupy a large space, and is relatively small compared to foreign paintings. It is recognized that the gear teeth have relatively high efficiency because they have friction loss. . The first and second pinion gears preferably have straight gear teeth, so that the conical gear The problem of axial adjustment at the interface of gears or bevel gears is eliminated. Furthermore, total Advantages such as leverage are achieved, and the CV of the continuous traction drive type Similar wide range and characteristics of other prior art gear trains operating on T-units I will provide a.

Other aspects, objects, and advantages of the present specification, drawings, and claims? Scrutinize It becomes a catalogue.

Claims (1)

[Claims] 1. A body (3 units) that can rotate around a solid axis (zp), and a body part (3 units) that can rotate around a solid axis (zp). rotatably mounted to the body (32) on an inclined axis (16) intersecting the body (32); A first pinion gear (seri) and a second pinion gear rotatably mounted on the solid shaft center (/q). In the gear train (/2) of the type including the pinion gear (96), the Rin part (, 7, 2), the first pinion gear (heel), and the second pinion gear (96). It is equipped with an internal gear device (100/134) that transmits 1) 77) is rotatably mounted on the body (3λ) on the nutation axis (l!r). A gear train characterized by. 2. In the gear train (lco) according to claim 1, the internal gear group N C100) is the 11th and 2nd internal gear? (/u, /u#), and the first inner haze A gear (/W) is coupled to the first pinion gear (Z), and a gear (/W) is coupled to the second internal gear (Z). 241) is a gear train coupled to the second pinion gear (?6). 3. In the gear train (12) according to claim 2, the first and second internal gears Each of the gear teeth (12g, /30) of a plurality of inner keys ). 4. In the gear train (lyu) according to claim 3, the gear teeth (ng) , /3o) is a gear train with straight teeth. 5. In the gear train (l:1) according to claim 1 (d), the first and second The pinion gear (v<<, qb) is M number of immediate suhagya (/32, /, a gear train each having seven gears. 6. In the gear train (lco) according to claim 1, the body part (3:1) and , the first pinion gear (y41) is part of the continuously variable transmission unit (10). gear train. 7. In the gear train according to claim 6, the continuously variable transmission unit) ( 10) is a nutation traction drive type gear train. 8. In the gear train (/2) according to claim 1, the internal tooth gear device (Jσ too/ijb) has a single internally toothed taper gear (t3g), and the eleventh The second pinion gear (vlI, 9x) is mutually engaged with the internally toothed tapered gear (t3g). A gear train that matches and engages. 9. In the gear train (/2) according to claim 1, the internal gear group f! E C100) has an annular hub (102), and the first and second internal gears (/, 2J , 121A) are removably attached to the hub (LOO) on both sides of the hub (LOO). A string of strings that are connected. 10. In the gear train (12) according to claim 9@, the internal gear device ( 100) is a bearing device that rotatably couples the hub (IO) to the body (3 pieces); A gear train having a position (110). 11. In the gear train (/co) according to claim 1, 4. d), a gear train in which the tilt axis (16) and the nutation axis (1g) are in a common plane. 12. In the gear train (/2) according to claim 1, the body parts (3 pieces) The input member is the second pinion gear Ch,) is the output member, and the gear N (3 2+3q+41. z) is the first pinion gear relative to the body (32); A gear train provided to change the angular velocity of the (seri) over a predetermined range. 13. Body parts (3 pieces) rotatable around a solid axis (l*), a third rotatably mounted on said body (3) on an inclined axis (16) intersecting p); 1 pinion gear (V41) and is rotatably mounted on the solid shaft center (l<=) In the gear train (/J) of the type including the second pinion gear (96), the body portion Internal gear machine having an internal taper gear (13g) rotatably mounted on (32) (13, <), the first pinion gear (qri) and the second pinion gear The gear (q6) is characterized in that it meshes and engages with the internally toothed tapered gear (13g). gear train. 14. In the gear train (12) according to claim 13, the first and second pins The onion gear (ylI, Zoro) has multiple straight teeth (tJ = , /, 7 each) gear train. In the gear train (12) according to claim 13, the first and second pin On gear (qq, qle) Kaha! A gear train that is a cylindrical spur gear. 16. The gear train (12) according to claim 13 has δ, and the solid shaft center 4 ( /da) and the inclined axis (/6) are the body parts (3 pieces) on the single acting axis (7g) in the middle of the length. ) in which the internally toothed taper gear (13g) is rotatably installed (/shaft). ). 17. Body parts (3 pieces) rotatable around the solid axis (l* ) a first rotatably mounted to the body (32) on an inclined axis (16) intersecting the The pinion gear (9q) and the The second pinion gear (?6) is rotatably mounted on the solid shaft center (/q), and the single acting a first rotatably mounted on the body (32) as a unit on an axis (7g); , an internal gear mechanism (lOO) having a second internal taper gear (1w, lx*) and the first inner gear (/2) is mutually connected to the first pinion gear (/2). The second internally toothed taper gear (121I) meshes with the second pinion gear (q6 ) and a gear train (lX) that meshes with each other. 18. In the gear train (12) according to claim 17, the single acting shaft center (i g) a gear train in which the solid axis (/q) and the inclined axis (16) are in a common plane; . 19. In the gear train (/, 2) according to claim 17, the ix, the second Pinion gear (scary, q6) and first and second internal toothed taper gears (/2, 12a) - a gear train, each of which has multiple considerations.