CN105240498A - Infinitely variable speed drive device - Google Patents
Infinitely variable speed drive device Download PDFInfo
- Publication number
- CN105240498A CN105240498A CN201510632947.9A CN201510632947A CN105240498A CN 105240498 A CN105240498 A CN 105240498A CN 201510632947 A CN201510632947 A CN 201510632947A CN 105240498 A CN105240498 A CN 105240498A
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- China
- Prior art keywords
- section
- transmission shaft
- flange
- forging
- stamping
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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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Transmissions By Endless Flexible Members (AREA)
Abstract
The invention relates to the technical field of vehicle drive, in particular to an infinitely variable speed drive device and a drive shaft with good impact performance and mechanical performance in an infinitely variable speed drive system. The drive shaft comprises a step-shaped shaft body; the shaft body sequentially comprises a connection component section connected with a power output portion, a support section connected with a support component, a shaft body solid section connected with any other components, a transition section between the shaft body solid section and a flange section at the rightmost end, and the flange section located at the rightmost end and connected with a power input portion from left to right. The invention further provides a machining method for the drive shaft, and the machining method can reduce cost, simplify the procedures and improve the quality of finished products.
Description
Technical field
The invention belongs to system of vehicle transmission technical field, relate to a kind of towing gear, particularly a kind of infinitely variable speed transmission.
Background technique
In existing technology, stepless speed variator can make engine operation in the optimum state, effectively raises the fuel economy of automobile.Meanwhile, because speed changer achieves stepless change, therefore effectively car comfort is improved.On automotive field, the main stepless speed variator used has steel-belt type stepless speed variator, chain-type continuously variable transmission, half toroidal type stepless speed change device and full-annular type stepless speed variator etc. at present.Compare traditional step change transmission, because stepless speed variator and automobile power have good matching performance, therefore more and more receive the concern of researcher and Consumer.Stepless speed variator has mainly good advantage in operational stability, driving comfort travelling comfort and Economy etc.The principal mode of current mechanical continuously-variable transmission has steel-belt type stepless speed variator, chain-type continuously variable transmission and the towed stepless speed variator of friction etc.Steel-belt type stepless speed variator has been widely used on low power automobile, but the stepless speed variator being used in high-powered automobiles is less, transmission efficiency and the functional reliability of drive system are low, transmission shaft all have employed the axis structure with coupling, the structural disadvantages of the said goods is: the join strength of transmission shaft is not high enough, and transmission efficiency is not high.
Therefore, need to improve stepless speed variator of the prior art, speed changer structure is simplified, and transmission efficiency and functional reliability are improved, and provides a kind of cost-saved for transmission shaft, and process simplification, promotes the processing method of end product quality.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and a kind of infinitely variable speed transmission with flange shaft is provided, it is mainly used in the power between transferring power input block and output block, it divides the shaft part of whole large profile shaft according to function, comprise stair-stepping axis body, be followed successively by from left to right: the connected element section be connected with Power output portion, the supporting section be connected with supporting part, with miscellaneous part
Have the axis body entity section of any connection, the changeover portion between axis body entity section and low order end flange part, low order end is the flange section be connected with power input part.
Described Power output portion is epicyclic transmission or worm and gear gear.
Described connected element section is for being provided with the axis body section of large-scale coupling or adpting flange.
Described supporting part is bearing.
Described changeover portion is circular arc.
Described flange section is non-solid section of axis body, and the degree of depth melting welding adopting high energy laser beam to carry out between flange section and flange.
Antirust coat is provided with outside above-mentioned shaft part.
It comprises following several step:
Overall segmental structure design, global design goes out the size of each section of axis body, adopt the processing method of integrated type forging and stamping, ensure that the weight of each segmental structure parts meets the load bearing requirements of forging equipment, and all meet intensity and the rigidity requirement of design according to each segmentation of calculating.
Roughing, according to step 1) in size design, select suitable parison.
3) segmentation forging and stamping, forge and press each section of parison, and implement the control of forging and stamping process temperature, and its forging and stamping temperature controls, between 900 °-1100 °, to carry out internal soundness detection after forging and stamping.
4) fine finishing, to connected element section, supporting section, changeover portion, carries out the fine finishing such as car, milling in flange section, to meet the required precision of fitting surface.
5) melting welding, coordinates the two-sided welding technology adopting high energy laser beam with flange for flange section, ensure the design requirement of welding fitting surface.
6) surperficial antirust treatment, carries out surperficial antirust treatment to axle entirety, and carries out quality testing.
7) heat treatment, the entirety qualified to quality testing carries out high-temperature tempering process to eliminate post-weld stress, and its heat treated temperature is 590 °-640 °, and holding time is about 3-4 hour, and butt welded seam tissue carries out even after-baking.
8) final finished quality testing, entirety is carried out non-destructive inspection and is carried out the structure property detection of parallel sample, ensures overall end product quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of infinitely variable speed transmission of the present invention.
Fig. 2 is the structural representation of transmission shaft of the present invention.
Fig. 3 is the flow chart of processing method of the present invention.
Embodiment
Illustrate that the present invention is described in further detail with specific embodiment below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of infinitely variable speed transmission of the present invention, it is characterized in that: comprise transmission shaft 1, spline 2, pressurizing mechanism, gear, hydraulic fixing mechanism, inner support axle 8 and output wheel 7; Its peripheral unit is casing;
Wherein, pressurizing mechanism forms by loading wheel 3, rolling element 4 and wheel for inputting 5;
Gear is made up of double cone body 6, outer support axle 13, movement rod 11 and vertical chute 12, described vertical chute 12 is fixed on casing, one end of outer support axle 13 is vertically connected on the axle center place outside double cone body 6, the other end of outer support axle 13 is connected with movement rod 11, and described movement rod 11 is arranged in vertical chute 12;
Hydraulic fixing mechanism is made up of hydraulic rod 9 and hydraulic pressure cavity 10,
Its annexation is: load wheel 3 and be arranged on transmission shaft 1 by spline 2, described wheel for inputting 5 is arranged on the right-hand member of transmission shaft 1 by bearing, described rolling element 4 is arranged on and loads between wheel 3 and wheel for inputting 5, one end of inner support axle 8 is connected with one end of described hydraulic rod 9, and the other end of inner support axle 8 is vertically connected on the axle center place inside double cone body 6; Coaxially, conflict with wheel for inputting 5 and output wheel 7 respectively on the left of double cone body 6 and right side for described output wheel 7 and transmission shaft 1; When operating, described wheel for inputting 5 is under loading wheel 3 and rolling element 4 act on, producing axial force makes double cone body 6 move together with wheel for inputting 5, when hydraulic pressure cavity 10 is pressurizeed, double cone body 6 is under the effect of hydraulic pressure cavity 10 oil pressure, and the glide direction along vertical chute 12 moves, for changing on the left of double cone body 6 and the right side radius of clean-up, described gear is 2 ~ 4 groups, and the rolling element 4 of described pressurizing mechanism is 4 ~ 8 groups.
It is the concrete structure of transmission shaft 1 of the present invention in Fig. 2, be followed successively by from left to right: the connected element section S1 be connected with Power output portion, the supporting section S2 be connected with supporting part, with miscellaneous part without any the axis body entity section S3 be connected, changeover portion S4 between axis body entity section and low order end flange part, low order end is the flange section S5 be connected with power input part.
As shown in Figure 2, in the present embodiment, S2 section comprises the groove 15 installing supporting part, the axial wall at groove 15 two ends can prevent the axial float of supporting part, thus play good axial restraint effect, axis body entity section S3 and miscellaneous part are without any being connected, the transition circle segmental arc of changeover portion S4 to be radius be R, S5 section is flange section, it is part hollow, the degree of depth melting welding that high energy laser beam is carried out is adopted between flange section and flange 16, the entirety qualified to quality testing carries out high-temperature tempering process to eliminate post-weld stress, ensure that intensity and the region toughness of weld seam, improve the comprehensive mechanical property of main shaft, flange 16 is connected by conventional Placement with power input part.
As shown in Figure 3, it comprises following several step:
1) overall segmental structure design, global design goes out the size of each section of axis body, adopt the processing method of integrated type forging and stamping, ensure that the weight of each segmental structure parts meets the load bearing requirements of forging equipment, and all meet intensity and the rigidity requirement of design according to each segmentation of calculating.
2) roughing, according to step 1) in size design, select suitable parison.
3) segmentation forging and stamping, forge and press each section of parison, and implement the control of forging and stamping process temperature, and its forging and stamping temperature controls, between 900 °-1100 °, to carry out internal soundness detection after forging and stamping.
4) fine finishing, to connected element section, supporting section, changeover portion, carries out the fine finishing such as car, milling in flange section, to meet the required precision of fitting surface.
5) melting welding, coordinates the two-sided welding technology adopting high energy laser beam with flange for flange section, ensure the design requirement of welding fitting surface.
6) surperficial antirust treatment, carries out surperficial antirust treatment to axle entirety, and carries out quality testing.
7) heat treatment, the entirety qualified to quality testing carries out high-temperature tempering process to eliminate post-weld stress, and its heat treated temperature is 590 °-640 °, and holding time is about 3-4 hour, and butt welded seam tissue carries out even after-baking.
8) final finished quality testing, entirety is carried out non-destructive inspection and is carried out the structure property detection of parallel sample, ensures overall end product quality.
In a word, these are only preferred embodiment of the present invention, all equalizations done according to the scope of the claims of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (10)
1. an infinitely variable speed transmission, comprises transmission shaft 1, spline 2, pressurizing mechanism, gear, hydraulic fixing mechanism, inner support axle 8 and output wheel 7; Its peripheral unit is casing, it is characterized in that: described transmission shaft is stepped.
2. transmission shaft as claimed in claim 1, it is characterized in that, be followed successively by from left to right: the connected element section be connected with Power output portion, the supporting section be connected with supporting part, with miscellaneous part without any the axis body entity section be connected, changeover portion between axis body entity section and low order end flange part, low order end is the flange section be connected with power input part.
3. transmission shaft according to claim 1, is characterized in that: described Power output portion is epicyclic transmission or worm and gear gear.
4. transmission shaft according to claim 2, is characterized in that: described connected element section is for being provided with the axis body section of large-scale coupling or adpting flange.
5. transmission shaft according to claim 1, is characterized in that: described supporting part is bearing.
6. transmission shaft according to claim 1, is characterized in that: described changeover portion is circular arc.
7. transmission shaft according to claim 5, is characterized in that: described flange section is non-solid section of axis body, and the degree of depth melting welding adopting high energy laser beam to carry out between flange section and flange.
8. transmission shaft according to claim 1, is characterized in that: be provided with antirust coat outside above-mentioned shaft part.
9. process a processing method for the transmission shaft in claim 1-7 described in any one, it comprises following several step:
1) overall segmental structure design, global design goes out the size of each section of axis body, adopt the processing method of integrated type forging and stamping, ensure that the weight of each segmental structure parts meets the load bearing requirements of forging equipment, and all meet intensity and the rigidity requirement of design according to each segmentation of calculating.
2) roughing, according to step 1) in size design, select suitable parison.
3) segmentation forging and stamping, forge and press each section of parison, and implement the control of forging and stamping process temperature, carry out internal soundness detection after forging and stamping.
4) fine finishing, to connected element section, supporting section, changeover portion, carries out the fine finishing such as car, milling in flange section, to meet the required precision of fitting surface.
5) melting welding, coordinates the two-sided welding technology adopting high energy laser beam with flange for flange section, ensure the design requirement of welding fitting surface.
6) surperficial antirust treatment, carries out surperficial antirust treatment to axle entirety, and carries out quality testing.
7) heat treatment, the entirety qualified to quality testing carries out high-temperature tempering process to eliminate post-weld stress, and butt welded seam tissue carries out even after-baking.
8) final finished quality testing, entirety is carried out non-destructive inspection and is carried out the structure property detection of parallel sample, ensures overall end product quality.
10. the processing method of transmission shaft according to claim 8, its forging and stamping temperature controls between 900 °-1100 °, and its heat treated temperature is 590 °-640 °, and holding time is about 3-4 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510632947.9A CN105240498A (en) | 2015-09-29 | 2015-09-29 | Infinitely variable speed drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510632947.9A CN105240498A (en) | 2015-09-29 | 2015-09-29 | Infinitely variable speed drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105240498A true CN105240498A (en) | 2016-01-13 |
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ID=55038268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510632947.9A Pending CN105240498A (en) | 2015-09-29 | 2015-09-29 | Infinitely variable speed drive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105240498A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907635A (en) * | 2018-08-31 | 2018-11-30 | 武汉船用机械有限责任公司 | A kind of shaft part processing method |
| CN109973101A (en) * | 2017-12-27 | 2019-07-05 | 苏州唐锟辰新能源科技有限公司 | A kind of regulating device of cutter head of shield machine |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09177920A (en) * | 1995-12-28 | 1997-07-11 | Honda Motor Co Ltd | Continuously variable transmission |
| CN201265633Y (en) * | 2008-09-16 | 2009-07-01 | 毛家行 | Shaft coupling type ring cone planet stepless transmission |
| CN102114597A (en) * | 2009-12-30 | 2011-07-06 | 江苏金源锻造股份有限公司 | Forge welding method for manufacturing wind power main shaft |
| CN102230522A (en) * | 2011-04-13 | 2011-11-02 | 北京理工大学 | Automotive double-cone pulley continuously variable transmission |
| CN102562980A (en) * | 2012-02-24 | 2012-07-11 | 北京理工大学 | Hydraulic stepping-up type traction transmission device |
| JP2012518134A (en) * | 2009-02-16 | 2012-08-09 | ドンファン ピョン | Continuously variable transmission |
| CN102635676A (en) * | 2012-05-09 | 2012-08-15 | 北京理工大学 | Double-cone hydraulic tightening type traction transmission device |
| CN102635677A (en) * | 2012-05-09 | 2012-08-15 | 北京理工大学 | Traction drive continuously variable transmission |
| CN102797820A (en) * | 2012-08-27 | 2012-11-28 | 北京理工大学 | Biconical type traction transmission device |
| CN102817984A (en) * | 2012-08-27 | 2012-12-12 | 北京理工大学 | Axial-loading biconical traction drive device |
| JP2013129283A (en) * | 2011-12-21 | 2013-07-04 | Ntn Corp | Drive device for electric vehicle |
-
2015
- 2015-09-29 CN CN201510632947.9A patent/CN105240498A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09177920A (en) * | 1995-12-28 | 1997-07-11 | Honda Motor Co Ltd | Continuously variable transmission |
| CN201265633Y (en) * | 2008-09-16 | 2009-07-01 | 毛家行 | Shaft coupling type ring cone planet stepless transmission |
| JP2012518134A (en) * | 2009-02-16 | 2012-08-09 | ドンファン ピョン | Continuously variable transmission |
| CN102114597A (en) * | 2009-12-30 | 2011-07-06 | 江苏金源锻造股份有限公司 | Forge welding method for manufacturing wind power main shaft |
| CN102230522A (en) * | 2011-04-13 | 2011-11-02 | 北京理工大学 | Automotive double-cone pulley continuously variable transmission |
| JP2013129283A (en) * | 2011-12-21 | 2013-07-04 | Ntn Corp | Drive device for electric vehicle |
| CN102562980A (en) * | 2012-02-24 | 2012-07-11 | 北京理工大学 | Hydraulic stepping-up type traction transmission device |
| CN102635676A (en) * | 2012-05-09 | 2012-08-15 | 北京理工大学 | Double-cone hydraulic tightening type traction transmission device |
| CN102635677A (en) * | 2012-05-09 | 2012-08-15 | 北京理工大学 | Traction drive continuously variable transmission |
| CN102797820A (en) * | 2012-08-27 | 2012-11-28 | 北京理工大学 | Biconical type traction transmission device |
| CN102817984A (en) * | 2012-08-27 | 2012-12-12 | 北京理工大学 | Axial-loading biconical traction drive device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973101A (en) * | 2017-12-27 | 2019-07-05 | 苏州唐锟辰新能源科技有限公司 | A kind of regulating device of cutter head of shield machine |
| CN108907635A (en) * | 2018-08-31 | 2018-11-30 | 武汉船用机械有限责任公司 | A kind of shaft part processing method |
| CN108907635B (en) * | 2018-08-31 | 2020-06-26 | 武汉船用机械有限责任公司 | Shaft section machining method |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160113 |
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| WD01 | Invention patent application deemed withdrawn after publication |