CN104006140A - Curved-tooth bevel gear and curved-tooth bevel gear transmission structure - Google Patents

Curved-tooth bevel gear and curved-tooth bevel gear transmission structure Download PDF

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Publication number
CN104006140A
CN104006140A CN201410185654.6A CN201410185654A CN104006140A CN 104006140 A CN104006140 A CN 104006140A CN 201410185654 A CN201410185654 A CN 201410185654A CN 104006140 A CN104006140 A CN 104006140A
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CN
China
Prior art keywords
stiffening rib
driving wheel
facewidth
follower
bent tooth
Prior art date
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Pending
Application number
CN201410185654.6A
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Chinese (zh)
Inventor
高振山
邓效忠
邓静
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Henan University of Science and Technology
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Henan University of Science and Technology
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Filing date
Publication date
Application filed by Henan University of Science and Technology filed Critical Henan University of Science and Technology
Priority to CN201410185654.6A priority Critical patent/CN104006140A/en
Publication of CN104006140A publication Critical patent/CN104006140A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels
    • 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
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
    • F16H1/14—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only
    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/08—Profiling
    • F16H55/088—Profiling with corrections on tip or foot of the teeth, e.g. addendum relief for better approach contact
    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/08—Profiling
    • F16H55/0886—Profiling with corrections along the width, e.g. flank width crowning for better load distribution

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)

Abstract

The invention relates to a curved-tooth bevel gear and a curved-tooth bevel gear transmission structure. The end, close to the axis, of gear teeth of the curved-tooth bevel gear is a small end, the end, away from the axis, of the gear teeth of the curved-tooth bevel gear is a large end, and reinforcing ribs are arranged at the position, corresponding to tooth roots, of the large end and/or the position, corresponding to tooth roots, of the small end. The curved-tooth bevel gear transmission structure comprises a driving wheel and a driven wheel, the tooth width of the driving wheel is B1, the tooth width of the driven wheel is B2, and reinforcing ribs are arranged on large end tooth roots and/or small end tooth roots of one of the driving wheel and the driven wheel. The reinforcing ribs are arranged, part of acting force borne by the gear teeth can be transmitted through the reinforcing ribs, force borne by the tooth roots of the small gear teeth is reduced, and therefore the bending strength of the gear teeth is improved, the bearing capacity is enhanced, and the service life of the gear is prolonged.

Description

Bent tooth cone gear and bent tooth bevel gear driving structure
Technical field
The present invention relates to bent tooth cone gear and bent tooth bevel gear driving structure.
Background technique
In prior art, two kinds of typical bent tooth bevel gear driving structures respectively as depicted in figs. 1 and 2, comprise driving wheel 910 and follower 920, driving wheel 910 and follower 920, and difference is the geometrical shape of gear pair gear teeth width and large small end.The wherein facewidth B of driving wheel 910 in Fig. 1 1be greater than the facewidth B of follower 920 2, the facewidth B of driving wheel 910 in Fig. 2 1equal the facewidth B of follower 920 2.Advantages such as above-mentioned bent tooth bevel gear driving structure is large with its reduction speed ratio, bearing capacity is strong, volume is little and be widely used in many occasions, for example for the ransaxle of automobile as main gearing down.The manufacture of the domestic bent tooth cone gear of automobile drive axle is main because the complexity of its gear teeth geometrical shape still adopts traditional Gear milling process at present, adopt the tooth surface of tratitional technology processing can leave tool marks, concentrate at the flank of tooth and tooth root position formation stress, easily form tired source, greatly reduced the working life of gear.The factors such as the inefficacy of the bent tooth cone gear of automobile drive axle easy tooth-breaking, poor reliability have had a strong impact on competitive ability and the credit worthiness of domestic automobile, therefore bent tooth cone gear are carried out to the research of Anti-fatigue manufacture technology and high strength gear teeth structure design aspect particularly important.
Precision forging technique, as a kind of advanced manufacturing technology, is progressively to grow up on the basis of traditional contour forging technique.The current received definition of precision forging technique is " at least the part surface dimensional accuracy of forging and accuracy to shape reach and can be directly used in assembling or only to need grinding be assembling degree ".It is low that this technique has overcome cutting stock utilization, manufacturing efficiency is low and cut off steel fiber streamline and the shortcoming such as flexural strength reduction of causing, meet efficient, accurate, green clean 21 century advanced manufacturing technology development trend, it is one of main path of following Gear Processing change, abroad just be studied in 20 century 70s for the precision forging technology of bent tooth cone gear, develop into cold warm forging by initial forge hot, the gear quality forging is out greatly improved, relevant technology has obtained application abroad, especially with the U.S., Germany and Japan's research are in this respect leading, domestic to the research of this technology still in small lot trial-production conceptual phase.Flank of tooth fine finishing before the bent tooth cone gear blank that Fujian Tai Ya automotive industry Co., Ltd under De Na group of the U.S. adopts external near-net-shape to go out profile of tooth is at present heat-treated.
Adopt the technology of the bent tooth cone gear of the little modulus of Simulations of Powder Metallurgy Compaction follower to be widely used in the field such as electric tool, motorcycle, make in this way the compressing follower flank of tooth not reprocess, the processing method of driving wheel mainly adopts Milling Process.The defect of Simulations of Powder Metallurgy Compaction gear is the low of its gear teeth strength ratio forging and molding, and in using process, gear teeth fracture is its main failure mode.1998, AGMA powder metallurgical gear ATSC Advanced Television Systems Committee of the U.S. issues and has implemented " powder metallurgical gear specification " NBS 6008-A98, in specification, describe the geometrical shape specification of spiral gear and Straight Bevel Gear in detail, the geometrical shape specification of bent tooth cone gear is had no and related to.Patent 201020278043.3 provides the equipment of the rolling of a kind of bent tooth cone gear and finishing profile of tooth, and the appearance of this equipment, for the bent tooth cone gear of little modulus rollforming provides Technical Reference.But, no matter be to adopt traditional Gear milling process, still adopt the technique such as precision forging, Simulations of Powder Metallurgy Compaction, in prior art easily there is the phenomenon of gear teeth fracture failure in the structure of the bent tooth cone gear gear teeth in gear pair using process.
Summary of the invention
The object of this invention is to provide the bent tooth cone gear that a kind of resistance to flexure is high, meanwhile, the present invention also provides a kind of bent tooth bevel gear driving structure that uses this song tooth cone gear.
The technological scheme that in the present invention, bent tooth cone gear adopts is: bent tooth cone gear, and its gear teeth are small end near one end of axis, are large end away from one end of axis, the tooth root place that the tooth root place that described large end is corresponding and/or described small end are corresponding is provided with stiffening rib.
The tooth root place that described large end is corresponding is provided with stiffening rib, the cross section of described stiffening rib is " " " shape; comprise along the stiffener of the circumferential extension of described bent tooth cone gear and be arranged on the reinforcement protuberance of stiffener towards a side of small end, described reinforcement protuberance is arranged between the bottom of stiffener and the bottom land of bent tooth cone gear teeth groove.
The two ends of described stiffening rib bearing of trend connect as one with the two adjacent gear teeth respectively and the bottom of described stiffening rib and the bottom land of bent tooth cone gear teeth groove connect as one.
The stiffener of described stiffening rib is no more than pitch cone line along the height of back cone direction.
The cross section of described stiffening rib is triangle, its dorsad the large end at its place or a side of small end there is inclined-plane, the top on described inclined-plane tilts to large end or the small end at stiffening rib place.
Angle between described inclined-plane and corresponding gear teeth tooth root is not more than 30 °.
The technological scheme that in the present invention, bent tooth bevel gear driving structure adopts is: bent tooth bevel gear driving structure, comprise driving wheel and the follower of bent tooth cone gear form, and the facewidth of described driving wheel is B 1, the facewidth of described follower is B 2, large end tooth root place and/or the small end tooth root place of at least one in described driving wheel and described follower are provided with stiffening rib.
Described stiffening rib is only divided into the first stiffening rib of the large end for being arranged on bent tooth cone gear and for being arranged on the large end of bent tooth cone gear and/or the second stiffening rib of small end, the cross section of the first stiffening rib is " " " shape; comprise along the stiffener of the circumferential extension of described bent tooth cone gear and be arranged on the reinforcement protuberance of stiffener towards a side of small end, described reinforcement protuberance is arranged between the bottom of stiffener and the bottom land of bent tooth cone gear teeth groove; The cross section of the second stiffening rib is triangle, its dorsad the large end at its place or a side of small end there is inclined-plane, the top on described inclined-plane tilts to large end or the small end at the second stiffening rib place.
Described driving wheel and follower are by precision forging, rotary roll or Simulations of Powder Metallurgy Compaction; The facewidth B of described driving wheel 1the facewidth B of > follower 2and only the large end of driving wheel is provided with described the first stiffening rib, or the facewidth B of described driving wheel 1the facewidth B of=follower 2and large end and small end that driving wheel is only provided with described the first stiffening rib or the second stiffening rib, follower at large end are equipped with described the second stiffening rib.
Described driving wheel passes through rollforming; The facewidth B of described driving wheel 1the facewidth B of > follower 2and the large end of driving wheel and small end are equipped with described the second stiffening rib, or the facewidth B of described driving wheel 1the facewidth B of=follower 2and driving wheel and follower are equipped with described the second stiffening rib at large end and small end separately.
The present invention adopts technique scheme, described in spiral bevel gear, corresponding tooth root place and/or tooth root place corresponding to described small end of large end is provided with stiffening rib, by above-mentioned stiffening rib is set, can play a supporting role to the gear teeth, a part for the active force that the gear teeth are subject to is born by stiffening rib, thereby reduces the stressed of gear teeth tooth root, improves the resistance to flexure of the gear teeth, strengthen bearing capacity, the reenlist life-span.
Brief description of the drawings
Fig. 1 is the schematic diagram (facewidth B of driving wheel of the assembling form one of bent tooth taper gear pair in prior art 1be greater than the facewidth B of follower 2);
Fig. 2 is the schematic diagram (facewidth B of driving wheel of the assembling form two of bent tooth taper gear pair in prior art 1equal the facewidth B of follower 2).
The name that in figure, each reference character is corresponding is called: 910 driving wheels, 920 followers.
Fig. 3 is the structural representation of the first stiffening rib of bent tooth cone gear in the present invention;
Fig. 4 is the structural representation of the second stiffening rib of bent tooth cone gear in the present invention;
Fig. 5 is the embodiment's one of bent tooth bevel gear driving structure in the present invention structural representation, is also that bent tooth cone gear adopts precision forging, rotary roll or Simulations of Powder Metallurgy Compaction processes, and the facewidth B of driving wheel 1be greater than the facewidth B of follower 2time stiffening rib the form that arranges schematic diagram;
Fig. 6 is the embodiment's two of bent tooth bevel gear driving structure in the present invention structural representation, is also that bent tooth cone gear adopts precision forging, rotary roll or Simulations of Powder Metallurgy Compaction processes, and the facewidth B of driving wheel 1equal the facewidth B of follower 2time stiffening rib the first form schematic diagram is set;
Fig. 7 is the embodiment's three of bent tooth bevel gear driving structure in the present invention structural representation, is also that bent tooth cone gear adopts precision forging, rotary roll or Simulations of Powder Metallurgy Compaction processes, and the facewidth B of driving wheel 1equal the facewidth B of follower 2time stiffening rib the second form schematic diagram is set;
Fig. 8 is the embodiment's four of bent tooth bevel gear driving structure in the present invention structural representation, is also that driving wheel adopts rollforming processes, and the facewidth B of driving wheel 1be greater than the facewidth B of follower 2time stiffening rib the first form schematic diagram is set;
Fig. 9 is the embodiment's five of bent tooth bevel gear driving structure in the present invention structural representation, is also that driving wheel adopts rollforming processes, and the facewidth B of driving wheel 1be greater than the facewidth B of follower 2time stiffening rib the second form schematic diagram is set.
The name that in figure, each reference character is corresponding is called: 10 driving wheels, and 20 followers, 30 first stiffening ribs, 31 stiffeners, 32 strengthen protuberance, 40 second stiffening ribs, 41 inclined-planes, 50 gear teeth.
Embodiment
Below in conjunction with specific embodiment, technological scheme of the present invention is described.
In the present invention, the embodiment one of bent tooth bevel gear driving structure as shown in Figure 5, comprise driving wheel 10 and follower 20, driving wheel 10 and follower 20 all adopt precision forging processes, all have large end, small end and shape arranges twist the gear teeth 50, and the facewidth B of driving wheel 10 1be greater than the facewidth B of follower 20 2.Wherein the structure of follower 20 is same as the prior art, no longer describes in detail herein.The large end of driving wheel 10 is provided with simultaneously the first stiffening rib 30 being connected with the bottom land of the teeth groove of bent tooth cone gear and adjacent two gear teeth 50, the structure of the first stiffening rib 30 as shown in Figure 3, shape of cross section is " " " shape, be L shaped after flip horizontal, comprise along the stiffener 31 of the circumferential extension of described bent tooth cone gear and be arranged on the reinforcement protuberance 32 of stiffener 31 towards a side of small end, described reinforcement protuberance 32 is smoothly arranged between the bottom of stiffener 31 and the bottom land of bent tooth cone gear teeth groove, with the common gross weight that forms of stiffener 31, large end at the gear teeth 50 forms semiclosed chamber from tooth root portion along back cone direction, back cone direction deviates from the direction of the gear teeth 50 place conical surfaces, also be the short transverse of the gear teeth 50.Stiffener 31 is no more than the pitch cone line of driving wheel 10 along the height of back cone direction, to avoid having influence on tooth contact region.The thickness of stiffener 31 is no more than 5mm, alleviates overall weight in the situation that ensureing structural strength, can improve stock utilization simultaneously.Driving wheel 10 only arranges above-mentioned the first stiffening rib 30 at large end, can facilitate depanning, is convenient to adopt precision forging processes, can not have influence on the normal engagement of gear pair simultaneously.
The first stiffening rib 30 that the large end of driving wheel 10 arranges, in the time of bent tooth bevel gear driving structure engagement driving, can effectively improve the resistance to flexure of driving wheel 10 gear teeth 50, strengthens bearing capacity.
In the present invention, the embodiment two of bent tooth bevel gear driving structure as shown in Figure 6, is only with embodiment one difference: the facewidth B of driving wheel 10 in the present embodiment 1equal the facewidth B of follower 20 2, and the large end of follower 20 and small end are equipped with described the second stiffening rib 40.The structure of the second stiffening rib 40 as shown in Figure 4, its shape of cross section is " ⊿ " shape; large end at its place or a side of small end have inclined-plane 41 dorsad for they; the top on described inclined-plane 41 tilts to large end or the small end at the second stiffening rib 40 places; and and the corresponding gear teeth 50 tooth roots between angle be not more than 30 °, to avoid having influence on tooth contact region.The special follower 20 that is greater than 75 ° for pitch cone angle, adopts the form that the second stiffening rib 40 is set can effectively avoid arranging the impact of stiffening rib on assembling, ensures the normal engagement of gear pair.
In the present invention, the embodiment three of bent tooth bevel gear driving structure as shown in Figure 7, is only with embodiment one difference: in the present embodiment, the stiffening rib of the large end setting of driving wheel 10 is the first stiffening rib 30.
In embodiment one to embodiment three, driving wheel 10 and follower 20 all adopt precision forging processes, in other embodiments, driving wheel 10 and follower 20 also can adopt rotary roll or Simulations of Powder Metallurgy Compaction, can process easily equally the stiffening rib of corresponding form.
For rollforming technique, bent tooth cone gear driving wheel 10 can by the swing edging of two rolling wheels by profile of tooth total conjugated out, be considered position and the shape of the gear teeth 50 contact areas, the profile of tooth of rolling wheel can be carried out to correction of the flank shape.20 of bent tooth cone gear followers can be by the technique near-net-shape of precision forging out.In the situation that considering assembling, driving wheel 10 and follower 20 all can arrange stiffening rib at the large end of the gear teeth 50 and small end simultaneously.
In the present invention the embodiment four of bent tooth bevel gear driving structure as shown in Figure 8, the facewidth B of driving wheel 10 in the present embodiment 1be greater than the facewidth B of follower 20 2, wherein driving wheel 10 adopts rollforming processes, and its large end and small end are equipped with the second stiffening rib 40 as shown in Figure 4.Out, structure is identical with the structure of follower in prior art 20 for the follower 20 technique near-net-shape by precision forging.
In the present invention, the embodiment five of bent tooth bevel gear driving structure as shown in Figure 9, is only with embodiment four difference: the facewidth B of driving wheel 10 in the present embodiment 1equal the facewidth B of follower 20 2, driving wheel 10 and follower 20 are all provided with described the second stiffening rib 40 at large end and small end separately.
In above-described embodiment, the facewidth B of driving wheel 10 1be greater than the facewidth B of follower 20 2bent tooth bevel gear driving structure be often applied to the fields such as vehicle, steamer and large-scale Load-Carrying Equipment, the facewidth B of driving wheel 10 1equal the facewidth B of follower 20 2bent tooth bevel gear driving structure be often applied to the fields such as lathe, electric tool and motorcycle.
In the present invention, the embodiment of bent tooth cone gear is driving gear or the driven gear in above-mentioned bent tooth bevel gear driving structure, and concrete structure repeats no more herein.
In the present invention, the structure setting of bent tooth cone gear combines the feature of near-net-shape processing method, follow the thinking that improves the resistance to flexure of the bent tooth cone gear gear teeth 50 from changing geometric shape structure, propose to increase respectively at the big or small end tooth root place of the gear teeth 50 design proposal of stiffening rib, and according to the difference of concrete precision forming processing mode, the assembled scheme that different driven wheels increases stiffening rib has been proposed, can be applicable to easily the near-net-shape processing of bent tooth cone gear, reach the object that improves bent tooth cone gear resistance to flexure simultaneously.
In the above-described embodiments, stiffening rib comprises two kinds of forms, and a kind of cross section of form is " " " shape, the cross section Shi “ ⊿ of another kind of form " shape.In other embodiments of the invention, the sectional shape of stiffening rib can also be other arbitrary shape of not interfering spiral bevel gear transmission, for example the reinforcement protuberance 32 in the first stiffening rib 30 being saved, stiffener 31 is only set, can Formation cross-section be rectangular stiffening rib; For another example, the cross section of the second stiffening rib 40 is arranged to the triangle of non-right angle, can be played equally reinforing function.In addition, in above-described embodiment, stiffening rib becomes one with the bottom land of bent tooth cone gear teeth groove and the two adjacent gear teeth 50 simultaneously, in other embodiments, stiffening rib also can become one with the bottom land of the single gear teeth 50 and bent tooth cone gear teeth groove simultaneously, can also only become one and separate with the bottom land of bent tooth cone gear teeth groove with the two adjacent gear teeth 50 simultaneously.

Claims (10)

1. bent tooth cone gear, its gear teeth are small end near one end of axis, are large end away from one end of axis, the described gear teeth of this right are characterised in that: the tooth root place that the tooth root place that described large end is corresponding and/or described small end are corresponding is provided with stiffening rib.
2. bent tooth cone gear according to claim 1, it is characterized in that: the tooth root place that described large end is corresponding is provided with stiffening rib, the cross section of described stiffening rib is " " " shape; comprise along the stiffener of the circumferential extension of described bent tooth cone gear and be arranged on the reinforcement protuberance of stiffener towards a side of small end, described reinforcement protuberance is arranged between the bottom of stiffener and the bottom land of bent tooth cone gear teeth groove.
3. bent tooth cone gear according to claim 2, is characterized in that: the two ends of described stiffening rib bearing of trend connect as one with the two adjacent gear teeth respectively and the bottom of described stiffening rib and the bottom land of bent tooth cone gear teeth groove connect as one.
4. according to the bent tooth cone gear described in claim 2 or 3, it is characterized in that: the stiffener of described stiffening rib is no more than pitch cone line along the height of back cone direction.
5. bent tooth cone gear according to claim 1, is characterized in that: the cross section of described stiffening rib is triangle, its dorsad the large end at its place or a side of small end there is inclined-plane, the top on described inclined-plane tilts to large end or the small end at stiffening rib place.
6. bent tooth cone gear according to claim 5, is characterized in that: the angle between described inclined-plane and corresponding gear teeth tooth root is not more than 30 °.
7. bent tooth bevel gear driving structure, comprises driving wheel and the follower of bent tooth cone gear form, and the facewidth of described driving wheel is B 1, the facewidth of described follower is B 2, it is characterized in that: large end tooth root place and/or the small end tooth root place of at least one in described driving wheel and described follower are provided with stiffening rib.
8. bent tooth bevel gear driving structure according to claim 7, it is characterized in that: described stiffening rib is only divided into the first stiffening rib of the large end for being arranged on bent tooth cone gear and for being arranged on the large end of bent tooth cone gear and/or the second stiffening rib of small end, the cross section of the first stiffening rib is " " " shape; comprise along the stiffener of the circumferential extension of described bent tooth cone gear and be arranged on the reinforcement protuberance of stiffener towards a side of small end, described reinforcement protuberance is arranged between the bottom of stiffener and the bottom land of bent tooth cone gear teeth groove; The cross section of the second stiffening rib is triangle, its dorsad the large end at its place or a side of small end there is inclined-plane, the top on described inclined-plane tilts to large end or the small end at the second stiffening rib place.
9. bent tooth bevel gear driving structure according to claim 8, is characterized in that: described driving wheel and follower are by precision forging, rotary roll or Simulations of Powder Metallurgy Compaction; The facewidth B of described driving wheel 1the facewidth B of > follower 2and only the large end of driving wheel is provided with described the first stiffening rib, or the facewidth B of described driving wheel 1the facewidth B of=follower 2and large end and small end that driving wheel is only provided with described the first stiffening rib or the second stiffening rib, follower at large end are equipped with described the second stiffening rib.
10. bent tooth bevel gear driving structure according to claim 8, is characterized in that: described driving wheel passes through rollforming; The facewidth B of described driving wheel 1the facewidth B of > follower 2and the large end of driving wheel and small end are equipped with described the second stiffening rib, or the facewidth B of described driving wheel 1the facewidth B of=follower 2and driving wheel and follower are equipped with described the second stiffening rib at large end and small end separately.
CN201410185654.6A 2014-05-05 2014-05-05 Curved-tooth bevel gear and curved-tooth bevel gear transmission structure Pending CN104006140A (en)

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CN201410185654.6A CN104006140A (en) 2014-05-05 2014-05-05 Curved-tooth bevel gear and curved-tooth bevel gear transmission structure

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CN201410185654.6A CN104006140A (en) 2014-05-05 2014-05-05 Curved-tooth bevel gear and curved-tooth bevel gear transmission structure

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4425496A1 (en) * 1993-07-19 1995-02-23 Mitsubishi Materials Corp Bevel gear provided with ridges
CN200999849Y (en) * 2007-01-19 2008-01-02 綦江齿轮传动有限公司 Large torquemoment vehicle driving bridge main reducing gear gear wheel
CN202165561U (en) * 2011-07-27 2012-03-14 长沙艾科瑞齿轮机械有限责任公司 Semi-shaft bevel gear of automobile differential mechanism
CN202493653U (en) * 2012-02-13 2012-10-17 青岛三星精锻齿轮有限公司 Vehicle differential bevel gear with increased strength and service life
CN204061800U (en) * 2014-05-05 2014-12-31 河南科技大学 A kind of bent tooth cone gear and bent tooth bevel gear driving structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4425496A1 (en) * 1993-07-19 1995-02-23 Mitsubishi Materials Corp Bevel gear provided with ridges
CN200999849Y (en) * 2007-01-19 2008-01-02 綦江齿轮传动有限公司 Large torquemoment vehicle driving bridge main reducing gear gear wheel
CN202165561U (en) * 2011-07-27 2012-03-14 长沙艾科瑞齿轮机械有限责任公司 Semi-shaft bevel gear of automobile differential mechanism
CN202493653U (en) * 2012-02-13 2012-10-17 青岛三星精锻齿轮有限公司 Vehicle differential bevel gear with increased strength and service life
CN204061800U (en) * 2014-05-05 2014-12-31 河南科技大学 A kind of bent tooth cone gear and bent tooth bevel gear driving structure

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Application publication date: 20140827