CN106015523A - Direct gear mechanism - Google Patents
Direct gear mechanism Download PDFInfo
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- CN106015523A CN106015523A CN201610514435.7A CN201610514435A CN106015523A CN 106015523 A CN106015523 A CN 106015523A CN 201610514435 A CN201610514435 A CN 201610514435A CN 106015523 A CN106015523 A CN 106015523A
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- bearing
- power
- gear
- power shaft
- shaft
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- 230000002093 peripheral effect Effects 0.000 claims description 70
- 238000009434 installation Methods 0.000 abstract description 9
- 230000033001 locomotion Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000005461 lubrication Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/36—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
- F16C19/364—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- General Details Of Gearings (AREA)
- Retarders (AREA)
Abstract
A direct gear mechanism comprises an input shaft, a direct gear and an input shaft bearing, wherein the direct gear is sleeved on the left part of the input shaft, the input shaft bearing is sleeved on the input shaft, the input shaft bearing is positioned on the right side of the direct gear, the left end part of the input shaft is provided with a mounting hole, the left end of the mounting hole extends to the left end surface of the input shaft, the right end of the mounting hole extends into the left part of the input shaft, and an output shaft front bearing is arranged in the mounting hole; in the operation process of the mechanism, the whole mechanism directly generates a motion effect through an input shaft bearing and an output shaft front bearing. The design is not only low in installation difficulty, but also high in reliability.
Description
Technical field
The invention belongs to automotive field, particularly relate to one and directly keep off gear mechanism, be primarily adapted for use in and alleviate installation difficulty, improve the unfailing performance used.
Background technology
In existing direct gear gear mechanism, inner ring gear is provided with two row's needle bearings, and wherein needle roller amounts to 40, and meanwhile, at one back-up ring of inner ring gear outer processing for location needle bearing, in this mechanism, gear can produce relative motion with power shaft.During actually used, owing to there is gap between needle bearing and inner ring gear, gear unavoidably there will be certain play, the most just it cannot be guaranteed that gear keeps axiality relation with power shaft；Simultaneously as inner ring gear outer exists back-up ring, gear overall processing difficulty significantly increases.It addition, increase needle bearing in inner ring gear, it is necessary for the lubrication circumstances in view of needle bearing, if lubricating uneven, then needle bearing may be caused to damage, thus cause gear mechanism to lose efficacy.
Chinese patent Authorization Notice No. is CN203082178U, authorized announcement date is the lash adjusting device that the utility model on July 24th, 2013 discloses a kind of new work transmission power shaft, including power shaft assembly, bearing, gear, it is provided with needle bearing between inner ring gear and power shaft assembly, power shaft assembly is positioned at the position on the left of gear and is arranged with bearing.Although this utility model can improve assembly precision, but it yet suffers from following defect: this utility model produces relative motion for making gear with power shaft assembly, between inner ring gear and power shaft assembly, needle bearing is set, add installation difficulty, additionally, in this utility model, needle bearing lubrication circumstances is poor so that mechanism reliability is low.
Summary of the invention
It is an object of the invention to overcome installation difficulty is high, reliability is low present in prior art defect and problem, it is provided that a kind of installation difficulty is low, reliability is high directly keeps off gear mechanism.
For realizing object above, the technical solution of the present invention is: one directly keeps off gear mechanism, including power shaft, directly keep off gear, bearing of input shaft, described direct gear geared sleeve is located at the left part of power shaft, described bearing of input shaft is sheathed on power shaft, and bearing of input shaft is positioned at the right side directly keeping off gear, the left end end of described power shaft offers installing hole, the left end of installing hole extends on the left side of power shaft, the right-hand member of installing hole extends to, in the left part of power shaft, be provided with front bearing, output shaft in installing hole.
Described front bearing, output shaft includes fore bearing inner ring, fore bearing roller, fore bearing outer ring, it is provided with fore bearing retainer between described fore bearing inner ring and fore bearing outer ring, No. two path side annular portion of fore bearing retainer are positioned at the left side of fore bearing inner ring right side, it is provided with on fore bearing retainer and inlays the fore bearing pocket hole coordinated with fore bearing roller, the one side of described fore bearing roller contacts with the outer peripheral face of fore bearing inner ring, the another side of fore bearing roller contacts with the inner peripheral surface of fore bearing outer ring, the described outer peripheral face of fore bearing outer ring contacts with the inner peripheral surface of installing hole.
The cross central line of described installing hole is coaxial with the cross central line of power shaft, installing hole includes the installing hole from left to right set gradually and diameter is sequentially reduced, No. two installing holes, No. three installing holes, the left end of a described installing hole extends on the left side of power shaft, the left end of the right-hand member of a number installing hole and No. two installing holes communicates, the left end of the right-hand member of No. two installing holes and No. three installing holes communicates, the right-hand member of No. three installing holes extends to the left inside portion of power shaft, a described installing hole, No. two installing holes are cylindrical hole, the inner peripheral surface of described No. two installing holes contacts with the outer peripheral face of fore bearing outer ring, described No. three installing holes are round taper hole.
Described power shaft includes the power shaft being from left to right sequentially connected with and overall diameter is sequentially reduced, No. two power shafts, No. three power shafts, No. four power shafts, No. five power shafts, No. six power shafts, a described power shaft includes the first power shaft and the second power shaft, the overall diameter of described first power shaft is more than the overall diameter of the second power shaft, the left side of the second power shaft is connected with the right side of the first power shaft, and the right side of the second power shaft is connected with the left side of No. two power shafts.
The left end of a described power shaft is provided with ring flange, and the cross central line of ring flange is coaxial with the cross central line of power shaft, and the centre bore of ring flange communicates with installing hole, and the right side of ring flange is connected with the left side of the first power shaft.
Described No. two power shafts, No. three power shafts, No. four power shafts be internally provided with stepped hole, the cross central line of stepped hole is coaxial with the cross central line of power shaft, stepped hole includes a hole and No. two holes, the diameter in a described hole is more than the diameter in No. two holes, the left end in a number hole extends in the right part of No. two power shafts, the left end in the right-hand member in a number hole and No. two holes communicates, the left end in No. two holes extends in the right part of No. three power shafts, the right-hand member in No. two holes extends in the right part of No. four power shafts, it is provided with annular groove on the outer peripheral face of described No. three power shaft right parts, the side of described No. four power shafts is provided with oilhole, oilhole and No. four power shafts are mutually perpendicular to, oilhole and No. two holes communicate.
Described direct gear gear includes gear, the middle part of described gear is provided with a gear inner peripheral surface and No. two gear inner peripheral surfaces, the outer peripheral face of a described gear inner peripheral surface and No. two power shafts is connected, and described No. two gear inner circumferentials are connected with the outer peripheral face of the second power shaft.
Described bearing of input shaft includes bearing of input shaft inner ring, roller, bearing of input shaft outer ring, it is provided with retainer between described bearing of input shaft inner ring and bearing of input shaft outer ring, a number path side annular portion of retainer is positioned at the right side of bearing of input shaft inner ring, it is provided with on retainer and inlays the pocket hole coordinated with roller, the one side of described roller contacts with the outer peripheral face of bearing of input shaft inner ring, the another side of roller contacts with the inner peripheral surface of bearing of input shaft outer ring, and the inner peripheral surface of described bearing of input shaft inner ring and the outer peripheral face of No. three power shafts contact.
Described bearing of input shaft and front bearing, output shaft are taper roll bearing.
Compared with prior art, the invention have the benefit that
1, it is located at the left part of power shaft due to gear geared sleeve direct in a kind of direct gear gear mechanism of the present invention, bearing of input shaft is sheathed on power shaft, and bearing of input shaft is positioned at the right side directly keeping off gear, the left end end ecto-entad of power shaft offers installing hole, front bearing, output shaft it is provided with in installing hole, such design not only installation difficulty is low, and in this mechanism's running, whole mechanism directly produces movement effects by bearing of input shaft and front bearing, output shaft, is effectively improved the unfailing performance of mechanism.Therefore, the present invention not only installation difficulty is low, and reliability is high.
2, it is fitted on power shaft due to gear direct geared location direct in the present invention a kind of directly gear gear mechanism, bearing of input shaft is sheathed on power shaft, front bearing, output shaft is contained in installing hole, such design not only makes whole mechanism element quantity few, installation procedure is simple, and decreases the play directly keeping off gear.Therefore, the present invention not only number of parts is few, installation procedure simple, and decreases the play directly keeping off gear.
3, due in a kind of direct gear gear mechanism of the present invention cross central line of installing hole coaxial with the cross central line of power shaft, installing hole includes the installing hole from left to right set gradually and diameter is sequentially reduced, No. two installing holes, No. three installing holes, so structure of mounting hole of design is simple, processing simplicity；Power shaft includes the power shaft being from left to right sequentially connected with and overall diameter is sequentially reduced, No. two power shafts, No. three power shafts, No. four power shafts, No. five power shafts, No. six power shafts, the outer peripheral face of No. two power shafts and a gear inner peripheral surface are connected, the outer peripheral face of a number power shaft and No. two gear inner circumferentials is connected, the simple in construction of such design not only power shaft, processing simplicity, and directly keeping off the structure of gear also simply, processing is also easy.Therefore, present configuration is simple, processing simplicity.
4, owing to a kind of direct gear gear mechanism of the present invention being provided with annular groove on the outer peripheral face of No. three power shaft right parts, No. two power shafts, No. three power shafts, No. four power shafts be internally provided with stepped hole, the side of No. four power shafts is provided with oilhole, oilhole communicates with stepped hole, such design makes in whole mechanism running, and lubrication circumstances is preferable.Therefore, high lubricating effect of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of power shaft in Fig. 1.
Fig. 3 is the structural representation directly keeping off gear in Fig. 1.
Fig. 4 is the structural representation of bearing of input shaft in Fig. 1.
Fig. 5 is the structural representation of front bearing, output shaft in Fig. 1.
nullIn figure: power shaft 1、A number power shaft 11、First power shaft 111、Second power shaft 112、No. two power shafts 12、No. three power shafts 13、No. four power shafts 14、No. five power shafts 15、No. six power shafts 16、Ring flange 17、Annular groove 18、Cross central line 19、Oilhole 110、Directly gear gear 2、Gear 21、A number gear inner peripheral surface 211、No. two gear inner peripheral surfaces 212、Bearing of input shaft 3、Bearing of input shaft inner ring 31、Roller 32、Bearing of input shaft outer ring 33、Retainer 34、A number path side annular portion 341、Installing hole 4、A number installing hole 41、No. two installing holes 42、No. three installing holes 43、Front bearing, output shaft 5、Fore bearing inner ring 51、Fore bearing roller 52、Fore bearing outer ring 53、Fore bearing retainer 54、No. two path side annular portion 541、Stepped hole 6、A number hole 61、No. two holes 62.
Detailed description of the invention
Illustrate that the present invention is further detailed explanation with detailed description of the invention below in conjunction with accompanying drawing.
See Fig. 1 to Fig. 5, one directly keeps off gear mechanism, including power shaft 1, directly gear gear 2, bearing of input shaft 3, described direct gear gear 2 is sheathed on the left part of power shaft 1, described bearing of input shaft 3 is sheathed on power shaft 1, and bearing of input shaft 3 is positioned at the right side directly keeping off gear 2, the left end end of described power shaft 1 offers installing hole 4, the left end of installing hole 4 extends on the left side of power shaft 1, the right-hand member of installing hole 4 extends to, in the left part of power shaft 1, be provided with front bearing, output shaft 5 in installing hole 4.
Described front bearing, output shaft 5 includes fore bearing inner ring 51, fore bearing roller 52, fore bearing outer ring 53, it is provided with fore bearing retainer 54 between described fore bearing inner ring 51 and fore bearing outer ring 53, No. two path side annular portion 541 of fore bearing retainer 54 are positioned at the left side of fore bearing inner ring 51 right side, it is provided with on fore bearing retainer 54 and inlays the fore bearing pocket hole coordinated with fore bearing roller 52, the one side of described fore bearing roller 52 contacts with the outer peripheral face of fore bearing inner ring 51, the another side of fore bearing roller 52 contacts with the inner peripheral surface of fore bearing outer ring 53, the outer peripheral face of described fore bearing outer ring 53 contacts with the inner peripheral surface of installing hole 4.
The cross central line of described installing hole 4 is coaxial with the cross central line 19 of power shaft 1, installing hole 4 includes the installing hole 41 from left to right set gradually and diameter is sequentially reduced, No. two installing holes 42, No. three installing holes 43, the left end of a described installing hole 41 extends on the left side of power shaft 1, the left end of the right-hand member of a number installing hole 41 and No. two installing holes 42 communicates, the left end of the right-hand member of No. two installing holes 42 and No. three installing holes 43 communicates, the right-hand member of No. three installing holes 43 extends to the left inside portion of power shaft 1, a described installing hole 41, No. two installing holes 42 are cylindrical hole, the inner peripheral surface of described No. two installing holes 42 contacts with the outer peripheral face of fore bearing outer ring 53, described No. three installing holes 43 are round taper hole.
Described power shaft 1 includes 13, No. four power shafts of 12, No. three power shafts of 11, No. two power shafts of a power shaft, 15, No. six power shafts 16 of 14, No. five power shafts being from left to right sequentially connected with and overall diameter is sequentially reduced, a described power shaft 11 includes the first power shaft 111 and the second power shaft 112, the overall diameter of described first power shaft 111 is more than the overall diameter of the second power shaft 112, the left side of the second power shaft 112 is connected with the right side of the first power shaft 111, and the right side of the second power shaft 112 is connected with the left side of No. two power shafts 12.
The left end of a described power shaft 11 is provided with ring flange 17, the cross central line of ring flange 17 is coaxial with the cross central line 19 of power shaft 1, the centre bore of ring flange 17 communicates with installing hole 4, and the right side of ring flange 17 is connected with the left side of the first power shaft 111.
nullDescribed No. two power shafts 12、No. three power shafts 13、No. four power shafts 14 be internally provided with stepped hole 6，The cross central line of stepped hole 6 is coaxial with the cross central line 19 of power shaft 1，Stepped hole 6 includes a hole 61 and No. two holes 62，The diameter in a described hole 61 is more than the diameter in No. two holes 62，The left end in a number hole 61 extends in the right part of No. two power shafts 12，The left end in the right-hand member in a number hole 61 and No. two holes 62 communicates，The left end in No. two holes 62 extends in the right part of No. three power shafts 13，The right-hand member in No. two holes 62 extends in the right part of No. four power shafts 14，It is provided with annular groove 18 on the outer peripheral face of described No. three power shaft 13 right parts，The side of described No. four power shafts 14 is provided with oilhole 110，Oilhole 110 is mutually perpendicular to No. four power shafts 14，Oilhole 110 communicates with No. two holes 62.
Described direct gear gear 2 includes gear 21, the middle part of described gear 21 is provided with a gear inner peripheral surface 211 and No. two gear inner peripheral surfaces 212, a described gear inner peripheral surface 211 is connected with the outer peripheral face of No. two power shafts 12, and described No. two gear inner circumferentials 212 are connected with the outer peripheral face of the second power shaft 112.
Described bearing of input shaft 3 includes bearing of input shaft inner ring 31, roller 32, bearing of input shaft outer ring 33, it is provided with retainer 34 between described bearing of input shaft inner ring 31 and bearing of input shaft outer ring 33, a number path side annular portion 341 of retainer 34 is positioned at the right side of bearing of input shaft inner ring 31, it is provided with on retainer 34 and inlays the pocket hole coordinated with roller 32, the one side of described roller 32 contacts with the outer peripheral face of bearing of input shaft inner ring 31, the another side of roller 32 contacts with the inner peripheral surface of bearing of input shaft outer ring 33, the inner peripheral surface of described bearing of input shaft inner ring 31 and the outer peripheral face of No. three power shafts 13 contact.
Described bearing of input shaft 3 is taper roll bearing with front bearing, output shaft 5.
The principle of the present invention is described as follows:
1, Fig. 1 is seen, the design describe described in left and right as shown in Figure 1, but it will be appreciated that, these directional terminology are based on position relation shown in the drawings, it is for only for ease of the locations of structures relation describing the design, rather than instruction or the hint device of indication or parts must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that restriction to the design.
2, seeing Fig. 1 to Fig. 5, compared with existing gear mechanism, the design eliminates the needle bearing of inner ring gear, directly eliminates the back-up ring of inner ring gear outer simultaneously；In the installation process of a kind of direct gear gear mechanism of the design, directly position be fitted in directly keeping off gear 2 on power shaft 1, it is ensured that directly gear gear 2 and the axiality relation of power shaft 1, effectively prevent the play produced because of inner ring gear needle roller.Again owing to eliminating needle bearing, there is not relative motion with directly gear gear 2 in power shaft 1, while decreasing lubrication procedure, eliminates the processing of fuel feed hole on power shaft 1 yet, reduce processor.Directly gear gear 2 location is fitted on power shaft 1, and whole mechanism directly produces movement effects by bearing of input shaft 3 and front bearing, output shaft 5, on the premise of not affecting mechanism's use characteristic, is effectively improved the unfailing performance that mechanism uses.
3, described retainer 34 all includes side, big footpath annular portion, path side annular portion with fore bearing retainer 54, it is provided with multiple pillar greatly between side, footpath annular portion and path side annular portion, one end of pillar is connected with side, big footpath annular portion, the other end of pillar is connected with path side annular portion, adjacent two pillars form pocket hole with side, big footpath annular portion, path side annular portion, and pocket hole is inlayed with roller and coordinated.When described front bearing, output shaft 5 works, ring flange 17 is possible to prevent front bearing, output shaft 5 to produce displacement to the left, when described bearing of input shaft 3 works, snap ring is set in annular groove 18 for preventing bearing of input shaft 3 from producing to the right displacement, thus improves front bearing, output shaft 5 and the unfailing performance of bearing of input shaft 3 work.
Embodiment 1:
See Fig. 1 to Fig. 5, one directly keeps off gear mechanism, including power shaft 1, directly gear gear 2, bearing of input shaft 3, described direct gear gear 2 is sheathed on the left part of power shaft 1, described bearing of input shaft 3 is sheathed on power shaft 1, and bearing of input shaft 3 is positioned at the right side directly keeping off gear 2, the left end end of described power shaft 1 offers installing hole 4, the left end of installing hole 4 extends on the left side of power shaft 1, the right-hand member of installing hole 4 extends to, in the left part of power shaft 1, be provided with front bearing, output shaft 5 in installing hole 4.
Embodiment 2:
Substance is with embodiment 1, and difference is:
See Fig. 1 to Fig. 5, described front bearing, output shaft 5 is taper roll bearing, front bearing, output shaft 5 includes fore bearing inner ring 51, fore bearing roller 52, fore bearing outer ring 53, it is provided with fore bearing retainer 54 between described fore bearing inner ring 51 and fore bearing outer ring 53, No. two path side annular portion 541 of fore bearing retainer 54 are positioned at the left side of fore bearing inner ring 51 right side, it is provided with on fore bearing retainer 54 and inlays the fore bearing pocket hole coordinated with fore bearing roller 52, the one side of described fore bearing roller 52 contacts with the outer peripheral face of fore bearing inner ring 51, the another side of fore bearing roller 52 contacts with the inner peripheral surface of fore bearing outer ring 53, the outer peripheral face of described fore bearing outer ring 53 contacts with the inner peripheral surface of installing hole 4；The cross central line of described installing hole 4 is coaxial with the cross central line 19 of power shaft 1, installing hole 4 includes the installing hole 41 from left to right set gradually and diameter is sequentially reduced, No. two installing holes 42, No. three installing holes 43, the left end of a described installing hole 41 extends on the left side of power shaft 1, the left end of the right-hand member of a number installing hole 41 and No. two installing holes 42 communicates, the left end of the right-hand member of No. two installing holes 42 and No. three installing holes 43 communicates, the right-hand member of No. three installing holes 43 extends to the left inside portion of power shaft 1, a described installing hole 41, No. two installing holes 42 are cylindrical hole, the inner peripheral surface of described No. two installing holes 42 contacts with the outer peripheral face of fore bearing outer ring 53, described No. three installing holes 43 are round taper hole.
Embodiment 3:
Substance is with embodiment 1, and difference is:
See Fig. 1 to Fig. 5, described power shaft 1 includes the power shaft 11 being from left to right sequentially connected with and overall diameter is sequentially reduced, No. two power shafts 12, No. three power shafts 13, No. four power shafts 14, No. five power shafts 15, No. six power shafts 16, a described power shaft 11 includes the first power shaft 111 and the second power shaft 112, the overall diameter of described first power shaft 111 is more than the overall diameter of the second power shaft 112, the left side of the second power shaft 112 is connected with the right side of the first power shaft 111, the right side of the second power shaft 112 is connected with the left side of No. two power shafts 12；The left end of a described power shaft 11 is provided with ring flange 17, the cross central line of ring flange 17 is coaxial with the cross central line 19 of power shaft 1, the centre bore of ring flange 17 communicates with installing hole 4, and the right side of ring flange 17 is connected with the left side of the first power shaft 111；nullDescribed No. two power shafts 12、No. three power shafts 13、No. four power shafts 14 be internally provided with stepped hole 6，The cross central line of stepped hole 6 is coaxial with the cross central line 19 of power shaft 1，Stepped hole 6 includes a hole 61 and No. two holes 62，The diameter in a described hole 61 is more than the diameter in No. two holes 62，The left end in a number hole 61 extends in the right part of No. two power shafts 12，The left end in the right-hand member in a number hole 61 and No. two holes 62 communicates，The left end in No. two holes 62 extends in the right part of No. three power shafts 13，The right-hand member in No. two holes 62 extends in the right part of No. four power shafts 14，It is provided with annular groove 18 on the outer peripheral face of described No. three power shaft 13 right parts，The side of described No. four power shafts 14 is provided with oilhole 110，Oilhole 110 is mutually perpendicular to No. four power shafts 14，Oilhole 110 communicates with No. two holes 62；Described direct gear gear 2 includes gear 21, the middle part of described gear 21 is provided with a gear inner peripheral surface 211 and No. two gear inner peripheral surfaces 212, a described gear inner peripheral surface 211 is connected with the outer peripheral face of No. two power shafts 12, and described No. two gear inner circumferentials 212 are connected with the outer peripheral face of the second power shaft 112；Described bearing of input shaft 3 is taper roll bearing, bearing of input shaft 3 includes bearing of input shaft inner ring 31, roller 32, bearing of input shaft outer ring 33, it is provided with retainer 34 between described bearing of input shaft inner ring 31 and bearing of input shaft outer ring 33, a number path side annular portion 341 of retainer 34 is positioned at the right side of bearing of input shaft inner ring 31, it is provided with on retainer 34 and inlays the pocket hole coordinated with roller 32, the one side of described roller 32 contacts with the outer peripheral face of bearing of input shaft inner ring 31, the another side of roller 32 contacts with the inner peripheral surface of bearing of input shaft outer ring 33, the inner peripheral surface of described bearing of input shaft inner ring 31 and the outer peripheral face of No. three power shafts 13 contact.
Claims (9)
1. a direct gear gear mechanism, including power shaft (1), directly keep off gear (2), bearing of input shaft (3), described direct gear gear (2) is sheathed on the left part of power shaft (1), described bearing of input shaft (3) is sheathed on power shaft (1), and bearing of input shaft (3) is positioned at the right side directly keeping off gear (2), it is characterized in that: the left end end of described power shaft (1) offers installing hole (4), the left end of installing hole (4) extends on the left side of power shaft (1), the right-hand member of installing hole (4) extends in the left part of power shaft (1), front bearing, output shaft (5) it is provided with in installing hole (4).
nullOne the most according to claim 1 directly keeps off gear mechanism，It is characterized in that: described front bearing, output shaft (5) includes fore bearing inner ring (51)、Fore bearing roller (52)、Fore bearing outer ring (53)，It is provided with fore bearing retainer (54) between described fore bearing inner ring (51) and fore bearing outer ring (53)，No. two path sides annular portion (541) of fore bearing retainer (54) are positioned at the left side of fore bearing inner ring (51) right side，It is provided with on fore bearing retainer (54) and inlays the fore bearing pocket hole coordinated with fore bearing roller (52)，The one side of described fore bearing roller (52) contacts with the outer peripheral face of fore bearing inner ring (51)，The another side of fore bearing roller (52) contacts with the inner peripheral surface of fore bearing outer ring (53)，The outer peripheral face of described fore bearing outer ring (53) contacts with the inner peripheral surface of installing hole (4).
nullOne the most according to claim 2 directly keeps off gear mechanism，It is characterized in that: the cross central line of described installing hole (4) is coaxial with the cross central line of power shaft (1) (19)，Installing hole (4) includes the installing hole (41) from left to right set gradually and diameter is sequentially reduced、No. two installing holes (42)、No. three installing holes (43)，The left end of a described installing hole (41) extends on the left side of power shaft (1)，The right-hand member of a number installing hole (41) and the left end of No. two installing holes (42) communicate，The right-hand member of No. two installing holes (42) and the left end of No. three installing holes (43) communicate，The right-hand member of No. three installing holes (43) extends to the left inside portion of power shaft (1)，A described installing hole (41)、No. two installing holes (42) are cylindrical hole，The inner peripheral surface of described No. two installing holes (42) contacts with the outer peripheral face of fore bearing outer ring (53)，Described No. three installing holes (43) are round taper hole.
One the most according to claim 1 directly keeps off gear mechanism, it is characterized in that: described power shaft (1) includes the power shaft (11) being from left to right sequentially connected with and overall diameter is sequentially reduced, No. two power shafts (12), No. three power shafts (13), No. four power shafts (14), No. five power shafts (15), No. six power shafts (16), a described power shaft (11) includes the first power shaft (111) and the second power shaft (112), the overall diameter of described first power shaft (111) is more than the overall diameter of the second power shaft (112), the left side of the second power shaft (112) is connected with the right side of the first power shaft (111), the right side of the second power shaft (112) is connected with the left side of No. two power shafts (12).
One the most according to claim 4 directly keeps off gear mechanism, it is characterized in that: the left end of a described power shaft (11) is provided with ring flange (17), the cross central line of ring flange (17) is coaxial with the cross central line of power shaft (1) (19), the centre bore of ring flange (17) communicates with installing hole (4), and the right side of ring flange (17) is connected with the left side of the first power shaft (111).
nullOne the most according to claim 4 directly keeps off gear mechanism，It is characterized in that: described No. two power shafts (12)、No. three power shafts (13)、No. four power shafts (14) be internally provided with stepped hole (6)，The cross central line of stepped hole (6) is coaxial with the cross central line of power shaft (1) (19)，Stepped hole (6) includes a hole (61) and No. two holes (62)，The diameter of a described hole (61) is more than the diameter of No. two holes (62)，The left end of a number hole (61) extends in the right part of No. two power shafts (12)，The right-hand member of a number hole (61) and the left end of No. two holes (62) communicate，The left end of No. two holes (62) extends in the right part of No. three power shafts (13)，The right-hand member of No. two holes (62) extends in the right part of No. four power shafts (14)，It is provided with annular groove (18) on the outer peripheral face of described No. three power shaft (13) right parts，The side of described No. four power shafts (14) is provided with oilhole (110)，Oilhole (110) is mutually perpendicular to No. four power shafts (14)，Oilhole (110) communicates with No. two holes (62).
One the most according to claim 4 directly keeps off gear mechanism, it is characterized in that: described direct gear gear (2) includes gear (21), the middle part of described gear (21) is provided with a gear inner peripheral surface (211) and No. two gear inner peripheral surfaces (212), a described gear inner peripheral surface (211) is connected with the outer peripheral face of No. two power shafts (12), and described No. two gear inner circumferentials (212) are connected with the outer peripheral face of the second power shaft (112).
nullOne the most according to claim 4 directly keeps off gear mechanism，It is characterized in that: described bearing of input shaft (3) includes bearing of input shaft inner ring (31)、Roller (32)、Bearing of input shaft outer ring (33)，It is provided with retainer (34) between described bearing of input shaft inner ring (31) and bearing of input shaft outer ring (33)，Number path side annular portion (341) of retainer (34) is positioned at the right side of bearing of input shaft inner ring (31)，It is provided with on retainer (34) and inlays, with roller (32), the pocket hole coordinated，The one side of described roller (32) contacts with the outer peripheral face of bearing of input shaft inner ring (31)，The another side of roller (32) contacts with the inner peripheral surface of bearing of input shaft outer ring (33)，The inner peripheral surface of described bearing of input shaft inner ring (31) and the outer peripheral face of No. three power shafts (13) contact.
9. directly keep off gear mechanism according to the one described in any one in claim 18, it is characterised in that: described bearing of input shaft (3) and front bearing, output shaft (5) are taper roll bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610514435.7A CN106015523B (en) | 2016-07-01 | 2016-07-01 | Direct gear mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610514435.7A CN106015523B (en) | 2016-07-01 | 2016-07-01 | Direct gear mechanism |
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| Publication Number | Publication Date |
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| CN106015523A true CN106015523A (en) | 2016-10-12 |
| CN106015523B CN106015523B (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610514435.7A Active CN106015523B (en) | 2016-07-01 | 2016-07-01 | Direct gear mechanism |
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| CN (1) | CN106015523B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5632684A (en) * | 1995-10-24 | 1997-05-27 | Xerox Corporation | Stepped shaft assembly |
| US20030161562A1 (en) * | 2002-02-28 | 2003-08-28 | The Timken Company | Noise-reducing machine component |
| CN202914694U (en) * | 2012-09-20 | 2013-05-01 | 上海索达传动机械有限公司 | Connection structure of input shaft and output shaft of gearbox |
| CN203297314U (en) * | 2013-06-08 | 2013-11-20 | 浙江佳豪精密锻造有限公司 | Automobile transmission input shaft |
| CN205350287U (en) * | 2016-01-31 | 2016-06-29 | 台州金纳车桥有限公司 | Connection structure of front axle gearbox |
| CN205745197U (en) * | 2016-07-01 | 2016-11-30 | 东风商用车有限公司 | Direct gear mechanism |
-
2016
- 2016-07-01 CN CN201610514435.7A patent/CN106015523B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5632684A (en) * | 1995-10-24 | 1997-05-27 | Xerox Corporation | Stepped shaft assembly |
| US20030161562A1 (en) * | 2002-02-28 | 2003-08-28 | The Timken Company | Noise-reducing machine component |
| CN202914694U (en) * | 2012-09-20 | 2013-05-01 | 上海索达传动机械有限公司 | Connection structure of input shaft and output shaft of gearbox |
| CN203297314U (en) * | 2013-06-08 | 2013-11-20 | 浙江佳豪精密锻造有限公司 | Automobile transmission input shaft |
| CN205350287U (en) * | 2016-01-31 | 2016-06-29 | 台州金纳车桥有限公司 | Connection structure of front axle gearbox |
| CN205745197U (en) * | 2016-07-01 | 2016-11-30 | 东风商用车有限公司 | Direct gear mechanism |
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| Publication number | Publication date |
|---|---|
| CN106015523B (en) | 2018-04-17 |
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