CN102606697B - Power transmission system - Google Patents
Power transmission system Download PDFInfo
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- CN102606697B CN102606697B CN201210078478.7A CN201210078478A CN102606697B CN 102606697 B CN102606697 B CN 102606697B CN 201210078478 A CN201210078478 A CN 201210078478A CN 102606697 B CN102606697 B CN 102606697B
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- 241000270295 Serpentes Species 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 19
- 230000001681 protective effect Effects 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 13
- 241000282472 Canis lupus familiaris Species 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006378 damage Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 208000033999 Device damage Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
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Abstract
The invention discloses a power transmission system, comprising a soft transmission shaft; the soft transmission shaft is connected with a first gearbox and a second gearbox, respectively; the first gearbox is connected to a power output end of a power device, and the second gearbox is connected to a power input end of a load device; and the first gearbox has a speed-increasing transmission ratio, and the second gearbox has a speed-reducing transmission ratio. The first gearbox and the second gearbox both adopt a single-stage bevel gear transmission box with a simple structure and bevel gear pair transmission. A flexible protecting cover for protecting the soft transmission shaft is arranged outside the soft transmission shaft, wherein one end of the flexible protecting cover is connected on a first upper box body of the first gearbox, and the other end of the flexible protecting cover is connected on a second gearbox body of the second gearbox. The power transmission system has the following beneficial effects: the power transmission system can be used for replacing a chain wheel and a chain of a motorcycle or a bicycle, a transmission shaft of an automobile, and a belt pulley and a belt or the chain and the chain wheel of a universal machine, and breaks the limitation of the application field of the traditional soft shaft transmission; and the power transmission system is wide in application range, long in service life, safe in use and capable of realizing the functions of accelerating, boosting torque or constant-speed transmission.
Description
Technical field
The present invention relates to power transmission system, particularly a kind of power transmission system by soft axle transmission.
Background technique
Power transmission system or title actuating unit, the speed change being usually used in engineering goods increases to be turned round and power transmission.Usually following structural type is adopted for the actuating unit of the traffic tool or universal machine in prior art, there is shift speed change and increase the gearbox turning round function, transmission input is connected with engine output end, and dynamic retarding to be increased by transmission shaft, belt transmission, chain transmission or gear driving pair etc. by gear box output end to be turned round and be delivered in load.Be generally by motor and being made of one of gearbox structure for motorcycle or universal machine, by belt or chain transmission, the engine power of integrative-structure be delivered on load device.This kind of drive can only adopt linear fashion to arrange; thus restriction is received to the mounting point relation of load device and motor; simultaneously; usually the open kind of drive is still adopted; its sprocket wheel, chain or belt pulley, belt are all exposed in atmosphere environment; good lubrication and protection can not be formed to sprocket wheel and chain, or good protection is formed to belt pulley and belt.Splashing impurity, silt, rubble, dust etc. in use easily cause fretting wear to sprocket wheel, chain, belt pulley or belt, even there is the faults such as clamping stagnation, locking, damage, time serious, also can cause personal injury and device damage accident because of chain, belt fracture or locking.Simultaneously, driving snake of the prior art, be generally used for the transmission of low-force square, such as the driving transmission of the mechanical type odometer of automobile, for the driving transmission of the tooth grinding tool of dentist, and the rotary actuation etc. of concrete stirring bar for construction industry, and not application in compared with the power transmission of high pulling torque.
Summary of the invention
Object of the present invention is exactly for the deficiencies in the prior art, there is provided a kind of for the power transmission system of larger power transmission by soft axle transmission, utilize its original power output terminal of the traffic tool of this system, general-purpose machinery or equipment and load end setting position flexible, and reliable transmission, long service life, and use safety.
For achieving the above object, the present invention adopts following technological scheme:
A kind of power transmission system, comprise driving snake, driving snake is connected to the first gear-box and the second gear-box, first gear-box is connected with the clutch end of power plant, second gear-box is connected with the power intake of load device, first gear-box has speed increasing ratio, and the second gear-box has step-down ratio.
Adopt the present invention of preceding solution, due to the first gear-box, there is speed increasing ratio, therefore, the torque value that the driving snake being located at the first gear-box and the second gear-box transmits is less than the output torque of original power output terminal as integral engine or gearbox, break the restriction of traditional soft axle transmission application, widen the application area of soft axle transmission; By means of the superiority of soft axle transmission, when native system is used for the traffic tool, general-purpose machinery or equipment, the position of its original power output terminal and load end can not arranged flexibly by the restriction of traditional transfer mode, effectively can improve space availability ratio, and overall structure is compacter.When after the step-down ratio suitably arranging the second gear-box, this power transmission system can realize speedup, increase and turn round or constant speed drive's function; It both can be used for sprocket wheel and the chain of alternative motorcycle or bicycle, also can be used for replacing the transmission shaft of automobile, also can be used for the belt pulley of general-purpose machinery and belt or chain and sprocket wheel, its applied range.In addition; closed-type cylindrical gearing is formed because driving gear pair is located in casing; good lubrication can be implemented to driving gear; driving snake can conveniently at outer installment flexible axle safety cover; can effectively avoid splashing in using process impurity, silt, rubble, dust etc. enters in drive motion pair and forms fretting wear or damage, thus effectively can extend the working life of transmission system.Further, even if there is flexible axle fracture, also personal injury and device damage accident can not be caused as chain, belt fracture or locking, its use safety.
Preferably, described first gear-box and the second gear-box all adopt the single gear transmission case of the simple gear pair transmission of structure.
Preferred further, described single gear transmission case adopts the bevel gear housing of the bevel gear pair transmission of compact structure.Be convenient to install, simultaneously, adopt bevel gear drive, the input end axis of the first gear-box and the output terminal axis of the second gear-box can form multiple space angle position, also can obtain reverse output terminal rotary actuation under the constant condition of the input end driving direction of the first gear-box, thus widen Applicable scope further.
Further preferred, described first gear-box comprises the first upper box and the first lower box, the first initiative taper fluted disc being positioned at the first upper box and the first lower box and the first driven wheel of differential that are bolted to connection, described first initiative taper fluted disc is rotatably supported on the first upper box and the first lower box by two ends clutch shaft bearing respectively, first initiative taper fluted disc forms moment of torsion transmission by the output shaft of its splined hole coaxially arranged and gearbox or integrated engine, and the first lower box can be fixedly connected with the housing of gearbox or integrated engine, described first driven wheel of differential is rotatably supported on the first upper box by the second bearing, first driven wheel of differential engages with described first initiative taper fluted disc, and the first driven wheel of differential and driving snake pass through the rotational speed such as the torque transfer arrangement formation arranged therebetween, the structure for the first initiative taper fluted disc axially locating is provided with between described first upper box and the first initiative taper fluted disc, the structure for the first driven wheel of differential axially locating is provided with between described first upper box and the first driven wheel of differential, described second gear-box comprises the second gear housing, the back shaft having and can be fixedly connected with the support of load device is run through in the middle part of second gear housing, back shaft outer peripheral surface forms liquid sealing with the inner peripheral surface in opposite directions of the second gear housing and is connected, second gear housing sidewall has the second drive bevel gear by the 3rd bearing rotational support, second drive bevel gear outer end and driving snake pass through the rotational speed such as the torque transfer arrangement formation arranged therebetween, the cone tooth of the second drive bevel gear is engaged with second from mantle fluted disc, second is rotatably supported in back shaft from mantle fluted disc by the 4th bearing, second forms liquid sealing from mantle fluted disc and the second gear housing is rotationally connected, back shaft outer peripheral surface and second forms liquid sealing from the forward surface of mantle fluted disc and is rotationally connected, described second drive bevel gear and second is positioned at the second gear housing from the conial tooth part of mantle fluted disc, and second is provided with torque transfer arrangement from mantle fluted disc outer end, the number of teeth product of described first initiative taper fluted disc and the second drive bevel gear is less than the first driven wheel of differential and second from the number of teeth product of mantle fluted disc, the axial positioning structure for the second drive bevel gear is provided with between described second gear housing and the second drive bevel gear, described back shaft, the second gear housing and second are from being provided with between mantle fluted disc for the second gear housing and second from the axial positioning structure of mantle fluted disc.Guarantee that structure is simple, compact further, reliable in function.
Preferably, described driving snake peripheral hardware has the flexible protective cover for the protection of driving snake, and one end of flexible protective cover is connected on the first upper box of the first gear-box, and the other end of flexible protective cover is connected on the second gear housing of the second gear-box.
Preferably; described flexible protective cover two ends are provided with hard connecting head; hard connecting head is provided with between the first upper box or the second gear housing the screw connection structure matched, and flexible protective cover is fixedly connected with the second gear housing with the first upper box by screw connection structure respectively by the hard connecting head at two ends.Its structure is simple, easy to connect.
Preferably, described clutch shaft bearing is made up of first step bearing and the first little-end bearing, and first step bearing is arranged on the axle journal of the large end extension of the first initiative taper fluted disc cone tooth; Described first initiative taper fluted disc is coaxially fixedly connected with the bearing installation shaft for installing described first little-end bearing; Be provided with between described first upper box and the first initiative taper fluted disc for the first initiative taper fluted disc axially locating structure by the bottom of the bearing mounting hole hole on the first upper box and the first lower box and the large end journal of cone tooth of the first initiative taper fluted disc and the shaft shoulder of bearing installation shaft and shaft block ring formed.Be convenient to the first initiative taper fluted disc processing, thus reduce manufacture cost and user cost.
Preferably, the structure for the first driven wheel of differential axially locating be provided with between described first upper box and the first driven wheel of differential comprises shaft block ring, hole back-up ring and is located at the bottom shoulder block of the step mounting hole installed for described second bearing on the first upper box sidewall, and bottom shoulder block is positioned at step mounting hole outer end; Described hole back-up ring is positioned at inside the second bearing; Described shaft block ring is located at the first driven wheel of differential for installing the axle journal of described second bearing, and shaft block ring is positioned at the second bearing both sides, and axle journal connects the shaft shoulder that the one end of boring tooth is provided with stop second bearing.To guarantee that the first driven wheel of differential is reliably located on the first upper box, increase the service life.
Preferably, described second bearing support for installing the 4th bearing is fixedly connected with from mantle fluted disc and described 4th coaxial bearing; Described back shaft, the second gear housing and second are located at back shaft, second gear housing and bearing support between for the second gear housing and second from the axial positioning structure of mantle fluted disc from being provided with between mantle fluted disc.Be convenient to processing second from mantle fluted disc, to reduce manufacture cost and user cost.
Preferred further, described second is provided with step hole in the middle part of mantle fluted disc, the macropore section of step hole is towards second from the large end of cone tooth of mantle fluted disc, step hole is used for described bearing support, bearing support one end is provided with the convex shoulder be fixedly connected with the bottom stage of step hole macropore section, the bearing support the other end stretches out second outside from mantle fluted disc small end, and the bearing mounting hole be provided with in bearing support is provided with described second from the 4th bearing of mantle fluted disc, and bearing support outer end is fixedly connected with transparent cover; Form liquid sealing between described back shaft outer peripheral surface and the forward surface of transparent cover to be connected, be connected from the liquid sealing between mantle fluted disc forward surface with second to realize back shaft outer peripheral surface; Described back shaft, the second gear housing and second comprise baffle ring, the shaft shoulder, lining, axle baffle ring for the second gear housing and second from the axial positioning structure of mantle fluted disc from being provided with between mantle fluted disc; Described baffle ring is positioned at second at bearing mounting hole inwardly to be given prominence to from the end of mantle fluted disc small end, and baffle ring is blocked in the 4th bearing outer ring side; The described shaft shoulder is located at for installing axle journal one end of described 4th bearing on described back shaft, and shaft shoulder gear is on the end face of the 4th bearing opposite side inner ring; Described lining is socketed on back shaft, and lining is connected between the inner ring of described second gear housing and described 4th bearing; Described axle baffle ring is fixed on described back shaft by Cock screw, and axle baffle ring is positioned at the second gear housing outer end.
Preferred further, the axial positioning structure for the second drive bevel gear is provided with between described second gear housing and the second drive bevel gear, identical with the structure for the first driven wheel of differential axial positioning structure be provided with between described first upper box and the first driven wheel of differential.Be convenient to processing, to guarantee that the second drive bevel gear is reliably located at the second gear housing, increase the service life.
Further preferred, described clutch shaft bearing and the 4th bearing are made up of side by side multiple bearing, and one in the multiple bearing plane bearing that can bear axial load, can bear the thrust-bearing of thrust load for a pair.To guarantee long service life.
Preferred further, described first driven wheel of differential and the torque transfer arrangement arranged between driving snake are identical with its structural type of torque transfer arrangement arranged between the second drive bevel gear outer end and driving snake, comprise six prisms being located at flexible axle two ends, be located at six rib holes of the axle head of the first driven wheel of differential and the second drive bevel gear respectively, six rib holes and hexagon become the grafting be connected fast to coordinate.To guarantee that mounting or dismounting are convenient, manufacturing efficiency is high.
Preferred further, the described second torque transfer arrangement be provided with from mantle fluted disc outer end is several dogs of circumference uniform distribution, and dog is integrally formed in second from mantle fluted disc.To guarantee that structure is simple, easy to process.
Described second is also provided with circular groove from mantle fluted disc, and described second gear housing is provided with the bulge loop stretching into described circular groove.Effectively to stop that the foreign material such as dust enter in the first oil sealing, increase the service life.
The invention has the beneficial effects as follows, break the restriction of traditional soft axle transmission application, its applied range, long service life, use safety, and speedup can be realized, increase and turn round or the function of constant speed drive.
Accompanying drawing explanation
Fig. 1 is structural representation axonometric drawing of the present invention.
Fig. 2 is the structural representation axonometric drawing of dismounting first upper box 11 of the present invention and the second gear housing 21.
Fig. 3 is structural representation of the present invention.
Fig. 4 is the A portion enlarged view in Fig. 3 of the present invention.
Fig. 5 is the B portion enlarged view in Fig. 3 of the present invention.
Fig. 6 is that C in Fig. 5 of the present invention is to partial view.
Fig. 7 is the D-D sectional view in Fig. 5 of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described, but therefore do not limit the present invention among described scope of embodiments.
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, a kind of power transmission system, comprise driving snake 3, driving snake 3 is connected to the first gear-box 1 and the second gear-box 2, first gear-box 1 is connected with the clutch end of power plant, second gear-box 2 is connected with the power intake of load device, and the first gear-box 1 has speed increasing ratio, has the step-down ratio that ratio is greater than the speed increasing ratio of the first gear-box 1.
Described first gear-box 1 and the second gear-box 2 all adopt the single gear transmission case of the simple gear pair transmission of structure.
Described single gear transmission case adopts the bevel gear box of bevel gear pair transmission.
Described first gear-box 1 comprises the first upper box 11 of being bolted to connection and the first lower box 12, is positioned at the first initiative taper fluted disc 13 and the first driven wheel of differential 14 of the first upper box 11 and the first lower box 12, seal element 10 is provided with between the junction plane of the first upper box 11 and the first lower box 12, first lower box 12 can be bolted to connection with the housing of gearbox or integrated engine, and the junction plane of the first lower box 12 and gearbox or integrated engine is also provided with the second seal element 10a, described first initiative taper fluted disc 13 is rotatably supported on the first upper box 11 and the first lower box 12 by two ends clutch shaft bearing 15 respectively, and the first initiative taper fluted disc 13 forms moment of torsion transmission by the output shaft of its splined hole 13a coaxially arranged and gearbox or integrated engine, described first driven wheel of differential 14 is rotatably supported on the first upper box 11 by the second bearing 16, first driven wheel of differential 14 engages with described first initiative taper fluted disc 13, and the first driven wheel of differential 14 passes through the rotational speed such as the torque transfer arrangement formation arranged therebetween with driving snake 3, the structure for the first initiative taper fluted disc 13 axially locating is provided with between described first upper box 11 and the first initiative taper fluted disc 13, the structure for the first driven wheel of differential 14 axially locating is provided with between described first upper box 11 and the first driven wheel of differential 14, described second gear-box 2 comprises the second gear housing 21, the back shaft 22 having and can be fixedly connected with the support of load device is run through in the middle part of second gear housing 21, back shaft 22 outer peripheral surface forms liquid sealing with the inner peripheral surface in opposite directions of the second gear housing 21 by Sealing 211 and is connected, second gear housing 21 sidewall has the second drive bevel gear 23 by the 3rd bearing 27 rotational support, second drive bevel gear 23 outer end and driving snake 3 pass through the rotational speed such as the torque transfer arrangement formation arranged therebetween, the cone tooth of the second drive bevel gear 23 is engaged with second from mantle fluted disc 24, second is rotatably supported in back shaft 22 from mantle fluted disc 24 by the 4th bearing 26, second the first oil sealing 212 be provided with from the forward surface of mantle fluted disc 24 outer circumference face and the second gear housing 21 by second from mantle fluted disc 24 and the second gear housing 21 forms liquid sealing and is rotationally connected, back shaft 22 outer peripheral surface and second forms liquid sealing from the forward surface of mantle fluted disc 24 and is rotationally connected, described second drive bevel gear 23 and second is positioned at the second gear housing 21, second from the conial tooth part of mantle fluted disc 24 and is provided with torque transfer arrangement from mantle fluted disc 24 outer end, the number of teeth product of described first initiative taper fluted disc 13 and the second drive bevel gear 23 is less than the first driven wheel of differential 14 and second from the number of teeth product of mantle fluted disc 24, the axial positioning structure for the second drive bevel gear 23 is provided with between described second gear housing 21 and the second drive bevel gear 23, described back shaft 22, second gear housing 21 and second is from being provided with between mantle fluted disc 24 for the second gear housing 21 and second from the axial positioning structure of mantle fluted disc 24, on the first upper box 11 that described flexible protective cover 4 two ends are connected to described first gear-box 1 and on the second gear housing 21.
Be provided with flexible protective cover 4 outside described driving snake 3, one end of flexible protective cover 4 is connected on the first upper box 11 of the first gear-box 1, and the other end of flexible protective cover 4 is connected on the second gear housing 21 of the second gear-box 2.
Described flexible protective cover 4 two ends are provided with hard connecting head 41; hard connecting head 41 is provided with the screw connection structure matched respectively with between the first upper box 11 and the second gear housing 21, and flexible protective cover 4 is fixedly connected with the second gear housing 21 with the first upper box 11 by screw connection structure respectively by the hard connecting head 41 at two ends.
Described clutch shaft bearing 15 is made up of first step bearing 151 and the first little-end bearing 152, and first step bearing 151 is arranged on the first initiative taper fluted disc 13 and bores on the axle journal 131 of the large end extension of tooth; Described first initiative taper fluted disc 13 is coaxially fixedly connected with the bearing installation shaft 17 for installing described first little-end bearing 152; Be provided with between described first upper box 11 and the first initiative taper fluted disc 13 for the first initiative taper fluted disc 13 axially locating structure by the bottom of the bearing mounting hole hole on the first upper box 11 and the first lower box 12 and the large end journal 131 of cone tooth of the first initiative taper fluted disc 13 and the shaft shoulder of bearing installation shaft 17 and shaft block ring 132 formed.
The structure for the first driven wheel of differential 14 axially locating be provided with between described first upper box 11 and the first driven wheel of differential 14 comprises shaft block ring 18, hole back-up ring 19 and is located at the bottom shoulder block 11b of the step mounting hole 11a installed for described second bearing 16 on the first upper box 11 sidewall, and bottom shoulder block 11b is positioned at step mounting hole 11a outer end; Described hole back-up ring 19 is positioned at the second bearing 16 both sides; Described shaft block ring 18 is located at the first driven wheel of differential 14 for installing the axle journal 141 of described second bearing 16, and shaft block ring 18 is positioned at outside the second bearing 16, and axle journal connects the shaft shoulder 141a that the one end of boring tooth is provided with stop second bearing 16.
Described second is coaxially fixedly connected with the bearing support 25 for installing the 4th bearing 26 from mantle fluted disc 24 and described 4th bearing 26; Described back shaft 22, second gear housing 21 and second is located between back shaft 22, second gear housing 21 and bearing support 25 from the axial positioning structure of mantle fluted disc 24 from being provided with between mantle fluted disc 24 for the second gear housing 21 and second.
Described second is provided with step hole 24a in the middle part of mantle fluted disc 24, the macropore section of step hole 24a is towards second from the large end of cone tooth of mantle fluted disc 24, step hole 24a is used for described bearing support 25, bearing support 25 one end is provided with the convex shoulder 251 be fixedly connected with the bottom stage of step hole 24a macropore section, bearing support 25 the other end stretches out second from mantle fluted disc 24 small end outside, the bearing mounting hole 252 be provided with in bearing support 25 is provided with described second from the 4th bearing 26 of mantle fluted disc 24, and bearing support 25 outer end is fixedly connected with transparent cover 5; Be provided with the second oil sealing 51 between described back shaft 22 outer peripheral surface and the forward surface of transparent cover 5, back shaft 22 and second to be formed by the second oil sealing 51 from the forward surface of mantle fluted disc 24 and is tightly connected; Described back shaft 22, second gear housing 21 and second comprises baffle ring 253, shaft shoulder 22a, lining 28, axle baffle ring 29 for the second gear housing 21 and second from the axial positioning structure of mantle fluted disc 24 from being provided with between mantle fluted disc 24; Described baffle ring 253 is positioned at second at bearing mounting hole 252 inwardly to be given prominence to from the end of mantle fluted disc 24 small end, and baffle ring 253 is blocked in the 4th side, bearing 26 outer ring; Described shaft shoulder 22a is located at for installing axle journal one end of described 4th bearing 26 on described back shaft 22, and shaft shoulder 22a keeps off on the end face of the 4th bearing 26 opposite side inner ring; Described lining 28 is socketed on back shaft 22, and lining 28 is connected between the inner ring of described second gear housing 21 and described 4th bearing 26; Described axle baffle ring 29 is fixed on described back shaft 22 by Cock screw, and axle baffle ring 29 is positioned at the second gear housing 21 outer end.
The axial positioning structure for the second drive bevel gear 23 is provided with between described second gear housing 21 and the second drive bevel gear 23, identical with the structure for the first driven wheel of differential 14 axial positioning structure be provided with between described first upper box 11 and the first driven wheel of differential 14.
See Fig. 4, Fig. 5, described clutch shaft bearing 15 and the 4th bearing 26 are made up of side by side multiple bearing, and the employing of one, the front end in multiple bearing can bear axial load plane bearing.
See Fig. 7, described first driven wheel of differential 14 and the torque transfer arrangement arranged between driving snake 3 are identical with its structural type of torque transfer arrangement arranged between the second drive bevel gear 23 outer end and driving snake 3, comprise six prisms 31 being located at flexible axle 3 two ends, be located at six rib holes of the axle head of the first driven wheel of differential 14 and the second drive bevel gear 23 respectively, six rib holes and six prisms 31 form the grafting be connected fast and coordinate.
See Fig. 5, Fig. 6, the described second torque transfer arrangement be provided with from mantle fluted disc 24 outer end is several dogs 241 of circumference uniform distribution, and dog 241 is integrally formed in second from mantle fluted disc 24.
See Fig. 3, Fig. 5, described second is also provided with circular groove 242 from mantle fluted disc 24, and described second gear housing 21 is provided with the bulge loop 21a stretching into described circular groove 242.Effectively to stop that the foreign material such as dust enter in the first oil sealing 212, increase the service life.
Second gear housing 21 of the present invention can be formed relative fixing with back shaft 22, also can form low-angle rotation, adjustment when being convenient to install.When forming low-angle rotation, the anti-rotation projection 20a utilizing the second gear housing 21 outside to be provided with prevents the rotation in using process.
When the present invention is for replacing motorcycle main movable sprocket, driving sprocket wheel and chain, first initiative taper fluted disc 13 is connected with the integral engine output shaft of motorcycle by its splined hole 13a, back shaft 22 is fixedly connected with the chain stay of motorcycle drive wheel, second from mantle fluted disc 24 by outer end several dogs 241 stir motorcycle drive wheel rotate; When the speed increasing ratio of the second gear housing 2 is greater than the speed increasing ratio of the first gear-box, totally to realize increasing the object turning round transmission.
When the present invention is for replacing bicycle main movable sprocket, driving sprocket wheel and chain, first initiative taper fluted disc 13 is connected with the pedal live axle of bicycle by its splined hole 13a, a part for the pedal live axle of bicycle is designed to splined shaft, and second drives bicycle rear to rotate from mantle fluted disc 24 by the torque transfer arrangement adapted with it; The speed increasing ratio of the second gear housing 2 is less than the speed increasing ratio of the first gear-box, totally to realize the object of step-up drive.
When the present invention is for replacing truck drive shaft, the first initiative taper fluted disc 13 is connected with the output shaft of automobile gearbox by its splined hole 13a, and second drives the reducer input shaft of ransaxle to rotate from mantle fluted disc 24 by the torque transfer arrangement adapted with it; The speed increasing ratio of the second gear housing 2 equals the speed increasing ratio in the first gear-box, the object hastened such as totally to realize.
More than show and describe basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (12)
1. a power transmission system, comprise driving snake (3), driving snake (3) is connected to the first gear-box (1) and the second gear-box (2), first gear-box (1) is connected with the clutch end of power plant, second gear-box (2) is connected with the power intake of load device, first gear-box (1) has speed increasing ratio, and the second gear-box (2) has step-down ratio, described first gear-box (1) and the second gear-box (2) all adopt the single gear transmission box structure of bevel gear pair transmission, it is characterized in that: described first gear-box (1) comprises the first upper box (11) and the first lower box (12), the first initiative taper fluted disc (13) being positioned at the first upper box (11) and the first lower box (12) and the first driven wheel of differential (14) that are bolted to connection, described first initiative taper fluted disc (13) is rotatably supported on the first upper box (11) and the first lower box (12) by two ends clutch shaft bearing (15) respectively, and the first initiative taper fluted disc (13) forms moment of torsion transmission by its splined hole (13a) coaxially arranged with the output shaft of gearbox or integrated engine, described first driven wheel of differential (14) is rotatably supported on the first upper box (11) by the second bearing (16), first driven wheel of differential (14) engages with described first initiative taper fluted disc (13), and the first driven wheel of differential (14) passes through the rotational speed such as the torque transfer arrangement formation arranged therebetween with driving snake (3), the structure for the first initiative taper fluted disc (13) axially locating is provided with between described first upper box (11) and the first initiative taper fluted disc (13), the structure for the first driven wheel of differential (14) axially locating is provided with between described first upper box (11) and the first driven wheel of differential (14), described second gear-box (2) comprises the second gear housing (21), the back shaft (22) having and can be fixedly connected with the support of load device is run through at second gear housing (21) middle part, back shaft (22) outer peripheral surface forms liquid sealing with the inner peripheral surface in opposite directions of the second gear housing (21) and is connected, second gear housing (21) sidewall has the second drive bevel gear (23) by the 3rd bearing (27) rotational support, second drive bevel gear (23) outer end and driving snake (3) pass through the rotational speed such as the torque transfer arrangement formation arranged therebetween, the cone tooth of the second drive bevel gear (23) is engaged with second from mantle fluted disc (24), second is rotatably supported in back shaft (22) from mantle fluted disc (24) by the 4th bearing (26), second forms liquid sealing from mantle fluted disc (24) and the second gear housing (21) is rotationally connected, back shaft (22) outer peripheral surface and second forms liquid sealing from the forward surface of mantle fluted disc (24) and is rotationally connected, described second drive bevel gear (23) and second is positioned at the second gear housing (21) from the conial tooth part of mantle fluted disc (24), and second is provided with torque transfer arrangement from mantle fluted disc (24) outer end, the number of teeth product of described first initiative taper fluted disc (13) and the second drive bevel gear (23) is less than the first driven wheel of differential (14) with second from the number of teeth product of mantle fluted disc (24), the axial positioning structure for the second drive bevel gear (23) is provided with between described second gear housing (21) and the second drive bevel gear (23), described back shaft (22), the second gear housing (21) and second are from being provided with between mantle fluted disc (24) for the second gear housing (21) and second from the axial positioning structure of mantle fluted disc (24).
2. power transmission system according to claim 1; it is characterized in that: outside described driving snake (3), be provided with flexible protective cover (4); one end of flexible protective cover (4) is connected on first upper box (11) of the first gear-box (1), and the other end of flexible protective cover (4) is connected on second gear housing (21) of the second gear-box (2).
3. power transmission system according to claim 2; it is characterized in that: described flexible protective cover (4) two ends are provided with hard connecting head (41); hard connecting head (41) is provided with the screw connection structure matched respectively with between the first upper box (11) and the second gear housing (21), and flexible protective cover (4) is fixedly connected with the second gear housing (21) with the first upper box (11) by screw connection structure respectively by the hard connecting head (41) at two ends.
4. power transmission system according to claim 1, it is characterized in that: described clutch shaft bearing (15) is made up of first step bearing (151) and the first little-end bearing (152), first step bearing (151) is arranged on the axle journal (131) of the large end extension of the first initiative taper fluted disc (13) cone tooth; Described first initiative taper fluted disc (13) is coaxially fixedly connected with the bearing installation shaft (17) for installing described first little-end bearing (152); Structure for the first initiative taper fluted disc (13) axially locating is provided with by the bottom of the bearing mounting hole hole on the first upper box (11) and the first lower box (12) and the large end journal of cone tooth (131) of the first initiative taper fluted disc (13) and the shaft shoulder of bearing installation shaft (17) are formed and shaft block ring (132) between described first upper box (11) and the first initiative taper fluted disc (13).
5. power transmission system according to claim 1, it is characterized in that: the structure for the first driven wheel of differential (14) axially locating be provided with between described first upper box (11) and the first driven wheel of differential (14) comprises shaft block ring (18), hole back-up ring (19) and is located at the bottom shoulder block (11b) of the step mounting hole (11a) installed for described second bearing (16) on the first upper box (11) sidewall, and bottom shoulder block (11b) is positioned at step mounting hole (11a) outer end; Described hole back-up ring (19) is positioned at the second bearing (16) both sides; Described shaft block ring (18) is located at the first driven wheel of differential (14) for installing the axle journal (141) of described second bearing (16), shaft block ring (18) is positioned at the second bearing (16) outside, and axle journal connects the shaft shoulder (141a) that the one end of boring tooth is provided with stop second bearing (16).
6. power transmission system according to claim 1, is characterized in that: described second is coaxially fixedly connected with the bearing support (25) for installing the 4th bearing (26) from mantle fluted disc (24) and described 4th bearing (26); Described back shaft (22), the second gear housing (21) and second are located at back shaft (22), second gear housing (21) and bearing support (25) between for the second gear housing (21) and second from the axial positioning structure of mantle fluted disc (24) from being provided with between mantle fluted disc (24).
7. power transmission system according to claim 6, it is characterized in that: described second is provided with step hole (24a) from mantle fluted disc (24) middle part, the macropore section of step hole (24a) is towards second from the large end of cone tooth of mantle fluted disc (24), step hole (24a) is for described bearing support (25), bearing support (25) one end is provided with the convex shoulder (251) be fixedly connected with the bottom stage of step hole (24a) macropore section, bearing support (25) the other end stretches out second from mantle fluted disc (24) small end outside, the bearing mounting hole (252) be provided with in bearing support (25) is provided with described second from the 4th bearing (26) of mantle fluted disc (24), bearing support (25) outer end is fixedly connected with transparent cover (5), form liquid sealing between described back shaft (22) outer peripheral surface and the forward surface of transparent cover (5) to be connected, be connected from the liquid sealing between mantle fluted disc (24) forward surface with second to realize back shaft (22) back shaft (22) outer peripheral surface, described back shaft (22), the second gear housing (21) and second comprise baffle ring (253), the shaft shoulder (22a), lining (28), axle baffle ring (29) for the second gear housing (21) and second from the axial positioning structure of mantle fluted disc (24) from being provided with between mantle fluted disc (24), described baffle ring (253) is positioned at second at bearing mounting hole (252) inwardly to be given prominence to from the end of mantle fluted disc (24) small end, and baffle ring (253) is blocked in the 4th bearing (26) side, outer ring, the described shaft shoulder (22a) is located at for installing axle journal one end of described 4th bearing (26) on described back shaft (22), and the shaft shoulder (22a) gear is on the end face of the 4th bearing (26) opposite side inner ring, described lining (28) is socketed on back shaft (22), and lining (28) is connected between the inner ring of described second gear housing (21) and described 4th bearing (26), described axle baffle ring (29) is fixed on described back shaft (22) by Cock screw, and axle baffle ring (29) is positioned at the second gear housing (21) outer end.
8. power transmission system according to claim 1, it is characterized in that: between described second gear housing (21) and the second drive bevel gear (23), be provided with the axial positioning structure for the second drive bevel gear (23), identical with the structure for the first driven wheel of differential (14) axial positioning structure be provided with between described first upper box (11) and the first driven wheel of differential (14).
9. power transmission system according to claim 1, is characterized in that: described clutch shaft bearing (15) and the 4th bearing (26) are made up of side by side multiple bearing, and in multiple bearing, at least one can bear axial load.
10. power transmission system according to claim 1, it is characterized in that: described first driven wheel of differential (14) and the torque transfer arrangement arranged between driving snake (3) are identical with its structural type of torque transfer arrangement arranged between the second drive bevel gear (23) outer end and driving snake (3), comprise six prisms (31) being located at flexible axle (3) two ends, be located at six rib holes of the axle head of the first driven wheel of differential (14) and the second drive bevel gear (23) respectively, six rib holes form grafting with six prisms (31) and coordinate.
11. power transmission system according to claim 1, it is characterized in that: the described second torque transfer arrangement be provided with from mantle fluted disc (24) outer end is several dogs (241) of circumference uniform distribution, and dog (241) is integrally formed in second from mantle fluted disc (24).
12. power transmission system according to claim 1, is characterized in that: described second is also provided with circular groove (242) from mantle fluted disc (24), and described second gear housing (21) is provided with the bulge loop (21a) stretching into described circular groove (242).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210078478.7A CN102606697B (en) | 2012-03-23 | 2012-03-23 | Power transmission system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210078478.7A CN102606697B (en) | 2012-03-23 | 2012-03-23 | Power transmission system |
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| CN102606697A CN102606697A (en) | 2012-07-25 |
| CN102606697B true CN102606697B (en) | 2015-02-25 |
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Families Citing this family (7)
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|---|---|---|---|---|
| WO2015007067A1 (en) * | 2013-07-15 | 2015-01-22 | Zhu Youhong | Flexible shaft transmission system for motorcycle |
| CN104015866A (en) * | 2014-06-06 | 2014-09-03 | 曹枫 | Power transmission device of chainless bicycle |
| CN106184592B (en) * | 2016-07-08 | 2018-12-04 | 张金星 | A kind of driving wheel and the bicycle comprising it |
| CN106741546A (en) * | 2017-03-17 | 2017-05-31 | 李纪召 | A kind of electric bicycle transmission device and the electric bicycle for configuring the device |
| CN107082103A (en) * | 2017-04-10 | 2017-08-22 | 缙云县刀浪车业有限公司 | Chainless bicycle |
| TWI677453B (en) * | 2018-06-29 | 2019-11-21 | 桂盟企業股份有限公司 | Bevel gear device of transmission shaft |
| CN114508579A (en) * | 2022-01-14 | 2022-05-17 | 浙江意动科技股份有限公司 | Flexible high-speed gear box of 3D manufacturing |
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| CN101596924A (en) * | 2009-06-25 | 2009-12-09 | 黄艳 | A kind of Electrical Bicycle with mid-engine installation |
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| CN202468923U (en) * | 2012-03-23 | 2012-10-03 | 朱有红 | Power transmission system |
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| CN201169367Y (en) * | 2008-03-17 | 2008-12-24 | 孟庆奎 | Motorcycle gear shaft transmission apparatus |
| CN101596924A (en) * | 2009-06-25 | 2009-12-09 | 黄艳 | A kind of Electrical Bicycle with mid-engine installation |
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Denomination of invention: A power transmission system Effective date of registration: 20211220 Granted publication date: 20150225 Pledgee: Zhang Shilan|Hu Yongyang Pledgor: Chongqing Jumai Power Technology Co.,Ltd. Registration number: Y2021500000072 |