CN204061800U - A kind of bent tooth cone gear and bent tooth bevel gear driving structure - Google Patents
A kind of bent tooth cone gear and bent tooth bevel gear driving structure Download PDFInfo
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- CN204061800U CN204061800U CN201420225292.4U CN201420225292U CN204061800U CN 204061800 U CN204061800 U CN 204061800U CN 201420225292 U CN201420225292 U CN 201420225292U CN 204061800 U CN204061800 U CN 204061800U
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- stiffening rib
- driving wheel
- follower
- facewidth
- bent tooth
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- 241000405098 Champsodontidae Species 0.000 title claims abstract description 85
- 239000003351 stiffener Substances 0.000 claims description 22
- 238000005242 forging Methods 0.000 claims description 19
- 230000002787 reinforcement Effects 0.000 claims description 11
- 238000005056 compaction Methods 0.000 claims description 9
- 238000004663 powder metallurgy Methods 0.000 claims description 9
- 238000004088 simulation Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 description 23
- 238000005516 engineering process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000003801 milling Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to a kind of bent tooth cone gear and bent tooth bevel gear driving structure.The gear teeth of bent tooth cone gear are small end near that one end of axis, otherwise be then hold greatly, and the tooth root place that described large end is corresponding and/or tooth root place corresponding to described small end are provided with stiffening rib; Bent tooth bevel gear driving structure comprises driving wheel and follower, and the facewidth of described driving wheel is B
1, the facewidth of described follower is B
2, the large end tooth root place of at least one in described driving wheel and described follower and/or small end tooth root place are provided with stiffening rib.By arranging stiffening rib, a part for the active force that the gear teeth can be subject to is transmitted by stiffening rib, reduces the stressed of gear teeth tooth root, thus improves the resistance to flexure of the gear teeth, strengthens bearing capacity, extends the service life of gear.
Description
Technical field
The utility model relates to a kind of bent tooth cone gear and bent tooth bevel gear driving structure.
Background technique
In prior art, respectively as depicted in figs. 1 and 2, comprise driving wheel 910 and follower 920, driving wheel 910 and follower 920, difference is the geometrical shape of gear pair gear teeth width and large small end to two kinds of typical bent tooth bevel gear driving structures.The wherein facewidth B of driving wheel 910 in Fig. 1
2be greater than the facewidth B of follower 920
1, the facewidth B of driving wheel 910 in Fig. 2
2equal the facewidth B of follower 920
1.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, such as the ransaxle of automobile as main gearing down.The manufacture of the bent tooth cone gear of domestic automobile drive axle still adopts traditional Gear milling process to be main because of the complexity of its gear teeth geometrical shape at present, the tooth surface of tratitional technology processing is adopted to leave tool marks, form stress at the flank of tooth and tooth root position to concentrate, the tired source of easy formation, greatly reduces the working life of gear.The factors such as the inefficacy of automobile drive axle bent tooth cone gear easy tooth-breaking, poor reliability drastically influence competitive ability and the credit worthiness of domestic automobile, therefore carry out the research of Anti-fatigue manufacture technology and high strength gear teeth structure design aspect to bent tooth cone gear particularly important.
Precision forging technique, as a kind of advanced manufacturing technology, is progressively 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 need grinding and assembling degree ".It is low that this technique overcomes cutting stock utilization, the shortcomings such as the low and flexural strength reduction having cut off steel fiber streamline and caused of manufacturing efficiency, meet efficient, accurate, green clean 21 century advanced manufacturing technology development trend, it is one of main path of following Gear Processing change, precision forging technology abroad for bent tooth cone gear is just studied in 20 century 70s, cold warm forging is developed into by initial forge hot, forging gear quality is out greatly improved, relevant technology obtains application abroad, especially with the U.S., Germany is leading with Japanese research in this respect, the domestic research to this technology is still in small lot trial-production conceptual phase.The bent tooth cone gear blank that Fujian Tai Ya automotive industry Co., Ltd under De Na group of the current U.S. adopts external near-net-shape to go out profile of tooth heat-treat before flank of tooth fine finishing.
The technology of Simulations of Powder Metallurgy Compaction low module bent tooth cone gear follower is adopted to be widely used in the field such as electric tool, motorcycle, the follower flank of tooth compressing is not in this way reprocessed, and the processing method of driving wheel mainly adopts Milling Process.The defect of Simulations of Powder Metallurgy Compaction gear is that its gear-tooth strength is lower than forging and molding, and in using process, gear teeth fracture is its dominant failure mode.1998, AGMA powder metallurgical gear ATSC Advanced Television Systems Committee of the U.S. issues and implements " powder metallurgical gear specification " NBS 6008-A98, describe the geometrical shape specification of spiral gear and Straight Bevel Gear in specification in detail, the geometrical shape specification of bent tooth cone gear is had no and relates to.Patent 201020278043.3 provides the equipment of the rolling of a kind of bent tooth cone gear and finishing profile of tooth, the appearance of this equipment, for low module bent tooth cone gear rollforming provides Technical Reference.But no matter be adopt traditional Gear milling process, or 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.
Model utility content
The purpose of this utility model is to provide the high bent tooth cone gear of a kind of resistance to flexure, and meanwhile, the utility model additionally provides a kind of bent tooth bevel gear driving structure using this bent tooth cone gear.
The technological scheme that a kind of bent tooth cone gear in the utility model adopts is: a kind of bent tooth cone gear, its gear teeth are small end near one end of axis, one end away from axis is large end, and the tooth root place that described large end is corresponding and/or tooth root place corresponding to described small end are 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 stiffener that the circumference along described bent tooth cone gear extends and be arranged on the reinforcement protuberance of stiffener towards the 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.
Adjacent with the two respectively gear teeth in the two ends of described stiffening rib bearing of trend connect as one and the bottom land of the bottom of described stiffening rib and bent tooth cone gear teeth groove connects as one.
The stiffener of described stiffening rib is no more than pitch cone line along the height in back cone direction.
The cross section of described stiffening rib is triangle, and it has inclined-plane in large end at its place or the side of small end dorsad, and the top on described inclined-plane tilts to the large end at stiffening rib place or small end.
Angle between described inclined-plane and corresponding gear teeth tooth root is not more than 30 °.
The technological scheme that a kind of bent tooth bevel gear driving structure in the utility model adopts is: a kind of bent tooth bevel gear driving structure, comprise driving wheel and the follower of bent tooth cone gear form, the facewidth of described driving wheel is B
2, the facewidth of described follower is B
1, the large end tooth root place of at least one in described driving wheel and described follower and/or small end tooth root place are provided with stiffening rib.
Described stiffening rib is divided into only for being arranged on the first stiffening rib of the large end of bent tooth cone gear and the second stiffening rib for the large end and/or small end that are arranged on bent tooth cone gear, the cross section of the first stiffening rib is " " " shape; comprise stiffener that the circumference along described bent tooth cone gear extends and be arranged on the reinforcement protuberance of stiffener towards the 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, and it has inclined-plane in large end at its place or the side of small end dorsad, and the top on described inclined-plane tilts to the large end at the second stiffening rib place or small end.
Described driving wheel and follower are by precision forging, rotary roll or Simulations of Powder Metallurgy Compaction; The facewidth B of described driving wheel
2the facewidth B of > follower
1and only the large end of driving wheel is provided with described first stiffening rib, or the facewidth B of described driving wheel
2the facewidth B of=follower
1and driving wheel is only provided with described first stiffening rib or the second stiffening rib, the large end of follower and small end at large end and is equipped with described second stiffening rib.
Described driving wheel passes through rollforming; The facewidth B of described driving wheel
2the facewidth B of > follower
1and the large end of driving wheel and small end are equipped with described second stiffening rib, or the facewidth B of described driving wheel
2the facewidth B of=follower
1and driving wheel and follower are equipped with described second stiffening rib at respective large end and small end.
The utility model adopts technique scheme, the tooth root place that described in spiral bevel gear, large end is corresponding and/or tooth root place corresponding to described small end are provided with stiffening rib, by arranging above-mentioned stiffening rib, can play a supporting role to the gear teeth, a part for the active force be subject to by the gear teeth is born by stiffening rib, thus reduces the stressed of gear teeth tooth root, improves the resistance to flexure of the gear teeth, strengthen bearing capacity, the reenlist life-span.
Accompanying drawing explanation
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
2be greater than the facewidth B of follower
1);
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
2equal the facewidth B of follower
1).
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 utility model;
Fig. 4 is the structural representation of the second stiffening rib of bent tooth cone gear in the utility model;
Fig. 5 is the structural representation of the embodiment one of bent tooth bevel gear driving structure in the utility model, and also namely bent tooth cone gear adopts precision forging, rotary roll or Simulations of Powder Metallurgy Compaction processes, and the facewidth B of driving wheel
2be greater than the facewidth B of follower
1time stiffening rib the form that arranges schematic diagram;
Fig. 6 is the structural representation of the embodiment two of bent tooth bevel gear driving structure in the utility model, and also namely bent tooth cone gear adopts precision forging, rotary roll or Simulations of Powder Metallurgy Compaction processes, and the facewidth B of driving wheel
2equal the facewidth B of follower
1time stiffening rib the first form schematic diagram is set;
Fig. 7 is the structural representation of the embodiment three of bent tooth bevel gear driving structure in the utility model, and also namely bent tooth cone gear adopts precision forging, rotary roll or Simulations of Powder Metallurgy Compaction processes, and the facewidth B of driving wheel
2equal the facewidth B of follower
1time stiffening rib the second form schematic diagram is set;
Fig. 8 is the structural representation of the embodiment four of bent tooth bevel gear driving structure in the utility model, and also namely driving wheel adopts Roll-forming processes processing, and the facewidth B of driving wheel
2be greater than the facewidth B of follower
1time stiffening rib the first form schematic diagram is set;
Fig. 9 is the structural representation of the embodiment five of bent tooth bevel gear driving structure in the utility model, and also namely driving wheel adopts Roll-forming processes processing, and the facewidth B of driving wheel
2be greater than the facewidth B of follower
1time stiffening rib the second form schematic diagram is set.
The name that in figure, each reference character is corresponding is called: 10 driving wheels, 20 followers, 30 first stiffening ribs, 31 stiffeners, and 32 strengthen protuberance, 40 second stiffening ribs, 41 inclined-planes, 50 gear teeth.
Embodiment
Below in conjunction with specific embodiment, the technical solution of the utility model is described.
In the utility model, 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 there are large end, small end and the helically gear teeth 50 that arrange of shape, and the facewidth B of driving wheel 10
2be greater than the facewidth B of follower 20
1.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 the first stiffening rib 30 be simultaneously connected with bottom land and the two adjacent gear teeth 50 of the teeth groove of bent tooth cone gear, the structure of the first stiffening rib 30 as shown in Figure 3, shape of cross section is " " " shape, namely the L shape after flip horizontal, comprise stiffener 31 that the circumference along described bent tooth cone gear extends and be arranged on the reinforcement protuberance 32 of stiffener 31 towards the 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, jointly gross weight is formed with stiffener 31, semiclosed chamber is formed from tooth root portion along back cone direction at the large end of the gear teeth 50, namely back cone direction deviates from the direction of the gear teeth 50 place conical surface, also be the short transverse of the gear teeth 50.Stiffener 31 is no more than the pitch cone line of driving wheel 10, to avoid having influence on tooth contact region along the height in back cone direction.The thickness of stiffener 31 is no more than 5mm, alleviates overall weight when ensureing structural strength, can improve stock utilization simultaneously.Driving wheel 10 only arranges above-mentioned first stiffening rib 30 at large end, can facilitate depanning, is convenient to adopt precision forging processes, can not has influence on the normal engagement of gear pair simultaneously.
First stiffening rib 30 of the large end setting of driving wheel 10, when bent tooth bevel gear driving structure engagement driving, effectively can improve the resistance to flexure of driving wheel 10 gear teeth 50, strengthen bearing capacity.
In the utility model, the embodiment two of bent tooth bevel gear driving structure as shown in Figure 6, is only with the difference of embodiment one: the facewidth B of driving wheel 10 in the present embodiment
2equal the facewidth B of follower 20
1, and the large end of follower 20 and small end are equipped with described 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 the side of small end have inclined-plane 41 dorsad for they; the top on described inclined-plane 41 tilts to the large end at the second stiffening rib 40 place or small end; and and angle between the corresponding gear teeth 50 tooth root be not more than 30 °, to avoid having influence on tooth contact region.The special follower 20 pitch cone angle being greater than to 75 °, adopts the form arranging the second stiffening rib 40 can effectively avoid arranging the impact of stiffening rib on assembling, ensures the normal engagement of gear pair.
In the utility model, the embodiment three of bent tooth bevel gear driving structure as shown in Figure 7, is only with the difference of embodiment one: the stiffening rib that in the present embodiment, the large end of driving wheel 10 is arranged 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 the stiffening rib of corresponding form equally easily.
For Roll-forming processes, bent tooth cone gear driving wheel 10 by two rolling wheels swing edging by profile of tooth total conjugated out, consider position and the shape of the gear teeth 50 contact area, the profile of tooth of rolling wheel can be carried out correction of the flank shape.Bent tooth cone gear follower 20 can by the technique near-net-shape of precision forging out.When 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 utility model, 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
2be greater than the facewidth B of follower 20
1, wherein driving wheel 10 adopts Roll-forming processes to process, and its large end and small end are equipped with the second stiffening rib 40 as shown in Figure 4.Follower 20 passes through the technique near-net-shape of precision forging out, and structure is identical with the structure of follower in prior art 20.
In the utility model, the embodiment five of bent tooth bevel gear driving structure as shown in Figure 9, is only with the difference of embodiment four: the facewidth B of driving wheel 10 in the present embodiment
2equal the facewidth B of follower 20
1, driving wheel 10 and follower 20 are all provided with described second stiffening rib 40 at respective large end and small end.
In above-described embodiment, the facewidth B of driving wheel 10
2be greater than the facewidth B of follower 20
1bent 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
2equal the facewidth B of follower 20
1bent tooth bevel gear driving structure be often applied to the fields such as lathe, electric tool and motorcycle.
Driving gear in the utility model in the embodiment of bent tooth cone gear and above-mentioned bent tooth bevel gear driving structure or driven gear, concrete structure repeats no more herein.
In the utility model, the vibrational power flow of bent tooth cone gear combines the feature of near-net-shape processing method, follow from change geometric shape structure to improve the thinking of the resistance to flexure of the bent tooth cone gear gear teeth 50, the design proposal increasing stiffening rib at the size end tooth root place of the gear teeth 50 is respectively proposed, and according to the difference of concrete precision forming processing mode, propose the assembled scheme that different driven wheels increases stiffening rib, the near-net-shape processing of bent tooth cone gear can be applicable to easily, reach the object improving 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 present utility model, the sectional shape of stiffening rib can also be that other does not interfere the arbitrary shape of spiral bevel gear transmission, such as being saved by the reinforcement protuberance 32 in the first stiffening rib 30, only arrange stiffener 31, 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 reinforing function be played equally.In addition, in above-described embodiment, stiffening rib is integrated with 50 one-tenth adjacent, two gear teeth with the bottom land of bent tooth cone gear teeth groove simultaneously, in other embodiments, stiffening rib also can become to be integrated with the bottom land of the single gear teeth 50 with bent tooth cone gear teeth groove simultaneously, can also only be integrated with 50 one-tenth adjacent, two gear teeth and be separated with the bottom land of bent tooth cone gear teeth groove simultaneously.
Claims (8)
1. a bent tooth cone gear, its gear teeth are small end near one end of axis, one end away from axis is large end, the feature of the gear teeth described by this right is: the tooth root place that described large end is corresponding and/or tooth root place corresponding to described small end are 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 stiffener that the circumference along described bent tooth cone gear extends and be arranged on the reinforcement protuberance of stiffener towards the 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.
2. bent tooth cone gear according to claim 1, is characterized in that: adjacent with the two respectively gear teeth in the two ends of described stiffening rib bearing of trend connect as one and the bottom land of the bottom of described stiffening rib and bent tooth cone gear teeth groove connects as one.
3. bent tooth cone gear according to claim 1 and 2, is characterized in that: the stiffener of described stiffening rib is no more than pitch cone line along the height in back cone direction.
4. a bent tooth cone gear, its gear teeth are small end near one end of axis, one end away from axis is large end, the feature of the gear teeth described by this right is: the tooth root place that described large end is corresponding and/or tooth root place corresponding to described small end are provided with stiffening rib, the cross section of described stiffening rib is triangle, it has inclined-plane in large end at its place or the side of small end dorsad, and the top on described inclined-plane tilts to the large end at stiffening rib place or small end.
5. bent tooth cone gear according to claim 4, is characterized in that: the angle between described inclined-plane and corresponding gear teeth tooth root is not more than 30 °.
6. a bent tooth bevel gear driving structure, comprise driving wheel and the follower of bent tooth cone gear form, the facewidth of described driving wheel is B
1, the facewidth of described follower is B
2, it is characterized in that: the large end tooth root place of at least one in described driving wheel and described follower and/or small end tooth root place are provided with stiffening rib, described stiffening rib is divided into only for being arranged on the first stiffening rib of the large end of bent tooth cone gear and the second stiffening rib for the large end and/or small end that are arranged on bent tooth cone gear, the cross section of the first stiffening rib is " " " shape, comprise stiffener that the circumference along described bent tooth cone gear extends and be arranged on the reinforcement protuberance of stiffener towards the 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, and it has inclined-plane in large end at its place or the side of small end dorsad, and the top on described inclined-plane tilts to the large end at the second stiffening rib place or small end.
7. bent tooth bevel gear driving structure according to claim 6, 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 first stiffening rib, or the facewidth B of described driving wheel
1the facewidth B of=follower
2and driving wheel is only provided with described first stiffening rib or the second stiffening rib, the large end of follower and small end at large end and is equipped with described second stiffening rib.
8. bent tooth bevel gear driving structure according to claim 6, 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 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 second stiffening rib at respective large end and small end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420225292.4U CN204061800U (en) | 2014-05-05 | 2014-05-05 | A kind of bent tooth cone gear and bent tooth bevel gear driving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420225292.4U CN204061800U (en) | 2014-05-05 | 2014-05-05 | A kind of bent tooth cone gear and bent tooth bevel gear driving structure |
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| Publication Number | Publication Date |
|---|---|
| CN204061800U true CN204061800U (en) | 2014-12-31 |
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|---|---|---|---|
| CN201420225292.4U Expired - Fee Related CN204061800U (en) | 2014-05-05 | 2014-05-05 | A kind of bent tooth cone gear and bent tooth bevel gear driving structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006140A (en) * | 2014-05-05 | 2014-08-27 | 河南科技大学 | Curved-tooth bevel gear and curved-tooth bevel gear transmission structure |
| CN104675927A (en) * | 2015-02-09 | 2015-06-03 | 绍兴金道齿轮箱有限公司 | Electric vehicle, speed reduction box, differential assembly and conical gear |
| CN105333099A (en) * | 2015-11-30 | 2016-02-17 | 重庆市首业机械制造有限公司 | Driving bevel gear |
| CN105333100A (en) * | 2015-11-30 | 2016-02-17 | 重庆市首业机械制造有限公司 | Bevel gear |
| CN105333101A (en) * | 2015-11-30 | 2016-02-17 | 重庆市首业机械制造有限公司 | Spiral bevel gear |
| CN105351483A (en) * | 2015-11-30 | 2016-02-24 | 重庆市首业机械制造有限公司 | Spiral bevel gear |
| CN107701705A (en) * | 2017-09-19 | 2018-02-16 | 杨荣刚 | The outer/inner engagement of straight-tooth, the outer/inner accurate bevel gear transmission of engagement of helical teeth |
-
2014
- 2014-05-05 CN CN201420225292.4U patent/CN204061800U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006140A (en) * | 2014-05-05 | 2014-08-27 | 河南科技大学 | Curved-tooth bevel gear and curved-tooth bevel gear transmission structure |
| CN104675927A (en) * | 2015-02-09 | 2015-06-03 | 绍兴金道齿轮箱有限公司 | Electric vehicle, speed reduction box, differential assembly and conical gear |
| CN104675927B (en) * | 2015-02-09 | 2017-11-24 | 绍兴金道齿轮箱有限公司 | Electric vehicle, reduction box, differential assembly and angular wheel |
| CN105333099A (en) * | 2015-11-30 | 2016-02-17 | 重庆市首业机械制造有限公司 | Driving bevel gear |
| CN105333100A (en) * | 2015-11-30 | 2016-02-17 | 重庆市首业机械制造有限公司 | Bevel gear |
| CN105333101A (en) * | 2015-11-30 | 2016-02-17 | 重庆市首业机械制造有限公司 | Spiral bevel gear |
| CN105351483A (en) * | 2015-11-30 | 2016-02-24 | 重庆市首业机械制造有限公司 | Spiral bevel gear |
| CN107701705A (en) * | 2017-09-19 | 2018-02-16 | 杨荣刚 | The outer/inner engagement of straight-tooth, the outer/inner accurate bevel gear transmission of engagement of helical teeth |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 |