CN202301817U - Outer-swing multiple-crank-shaft less-tooth-difference accelerator/decelerator - Google Patents
Outer-swing multiple-crank-shaft less-tooth-difference accelerator/decelerator Download PDFInfo
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- CN202301817U CN202301817U CN2011204133752U CN201120413375U CN202301817U CN 202301817 U CN202301817 U CN 202301817U CN 2011204133752 U CN2011204133752 U CN 2011204133752U CN 201120413375 U CN201120413375 U CN 201120413375U CN 202301817 U CN202301817 U CN 202301817U
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- gear
- transmission
- throw crank
- crank shaft
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Abstract
The utility model relates to an outer-swing multiple-crank-shaft less-tooth-difference accelerator/decelerator which comprises a box body and a low-speed shaft, wherein a gear is arranged on the low-speed shaft; two gear rings which are same in teeth quantity and have a circumference phase difference being 180 degrees are axially arranged outside the gear; two or more double-crutch crank shafts are arranged at the two sides or the circumferential direction of the two gear rings; the phase difference of the double-crutch crank shafts is 180 degrees; a high-speed shaft is arranged at the middle part of the other side of the box body; the high-speed shaft is a double-crutch crank shaft of which the phase difference is 180 degrees; transmission double-crutch crank shafts linked with the double-crutch crank shafts are arranged at the two sides or the circumferential direction of the high-speed shaft; and the two cranks of each transmission double-crutch crank shaft are respectively connected with the two cranks of the high-speed shaft through swing discs. The accelerator/decelerator disclosed by the utility model has the advantages of compact structure, reasonable arrangement, small volume, light weight, large single-stage transmission ratio, capability of realizing high-precision zero-clearance transmission, large delivery power and torsion range, high transmission efficiency and transmission precision, good operation stability and high cost performance. The accelerator/decelerator disclosed by the utility model is especially suitable for a high-power large-torsion accelerating device.
Description
Technical field
The utility model belongs to the mechanical transmissioning technology field, is specifically related to the few tooth difference of the many bent axles of a kind of outer swing and increases/retarder, can be used as speedup or speed reducer.
Technical background
Booster engine and speed reducer are widely used mechanical transmissions.The speed reducer of present various structures is used general.Comparatively speaking, the theoretical and invention of the use amount of booster engine smaller (being mainly used in the powerful wind power plant) booster engine also wants deficient.
In principle, with speed reducer conversely with being exactly booster engine.But use simply conversely common booster engine, its impact shock is bigger, and the small gear life-span is shorter, easy tooth-breaking.Because it is the big or small gear quality of few tooth difference transmission mechanism is close, therefore that the gear with small teeth difference transmission application is comparatively desirable in booster engine.Existing gear with small teeth difference transmission device mostly is a single axle swing arm structure, and shaft strength is big, and output mechanism is stressed unreasonable; Whole driving mechanism size is big; Heavy Weight, transmitted power is less than normal, and manufacture cost is high; The sexual valence ratio is (referring to " multiaxis swing reducing gear ", the patent No.: ZL200420017855.7).
Summary of the invention
The utility model problem to be solved is the deficiency that exists to above-mentioned existing technology and provides a kind of compact structure, the few tooth difference of the many bent axles of outer swing that volume is little to increase/retarder; Not only single staged transmission ratio (increase, reduction speed ratio) is big for it; Transmitted power, torque range are big; And transmission efficiency is high, operates steadily, and cost performance is high.
The utility model is that the technological scheme that problem adopted of the above-mentioned proposition of solution is: include casing; One middle side part of casing is installed on lower velocity shaft, and gear is set on the lower velocity shaft, the identical number of teeth gear ring that the circumferential phase difference that two of axial arrangement are installed in the gear outer is 180 °; Two gear rings and gear mesh relatively; The difference of the number of teeth of gear ring and gear is 1～6 tooth, in the both sides of two gear rings or circumferentially dispose the two-throw crank shaft more than two or two, 180 ° of described two-throw crank shaft phase differences; The two supports of two-throw crank shaft on casing, two cranks respectively with the both sides of two gear rings or the bearing hole phase configuration that circumferentially is provided with; Opposite side middle part at casing is installed on high speed shaft; Described high speed shaft is the two-throw crank shaft of 180 ° of phase differences; In the both sides of high speed shaft or circumferentially be installed on the transmission two-throw crank shaft that links with two-throw crank shaft, two cranks of transmission two-throw crank shaft link to each other with two cranks of high speed shaft through balance respectively.
Press such scheme, the both sides of described two gear rings or circumferentially dispose 3～8 two-throw crank shafts.
Press such scheme, the difference of the number of teeth of described gear ring and gear is 1～2 tooth.
Press such scheme, the profile of tooth of described gear and gear ring is the double cycloid profile of tooth.
Press such scheme, described lower velocity shaft is an input shaft, and described high speed shaft is an output shaft, constitutes speed increaser thus.
Press such scheme, the speed increasing ratio of described speed increaser is 1: 10～120.
Press such scheme; Described casing includes main box body and auxiliary housing; Be installed on lower velocity shaft, gear and gear ring in the described main box body; And with the two-throw crank shaft of gear ring phase configuration, described auxiliary housing is installed on high speed shaft and transmission two-throw crank shaft, and is connected in the balance between high speed shaft and the transmission crutches axle.
Press such scheme, the axis of described lower velocity shaft and high speed shaft coincides, and the axis of described two-throw crank shaft coincides respectively with the axis of the transmission two-throw crank shaft that links to each other, and transmission two-throw crank shaft one end links through coupling and two-throw crank shaft.
The working procedure of the utility model is: when outer motivational drive lower velocity shaft drove the external gear rotation, two gear rings of engagement were done the synchronous raising speed swing thereupon relatively with it.The swing of two gear rings drives with the two-throw crank shaft of its phase configuration and does the speedup rotation; Two-throw crank shaft drives the rotation of transmission two-throw crank shaft through coupling, and two cranks of transmission two-throw crank shaft rotate through two cranks of balance drive high speed shaft respectively, give high speed shaft with rotating speed and transmission of power, promptly accomplish the speedup transmittance process.
The beneficial effect of the utility model is: 1, compact structure, be provided with rationally, and volume is little, and is in light weight, and single staged transmission ratio is big, is particularly suited for the high power speed-increasing device; 2, adopt few multiple tooth engagement of tooth difference double cycloid tooth, can realize high-precision no gap transmission, total number of teeth in engagement is many, and transmitted power and torque range are big, and transmission efficiency and transmission accuracy are high, operate steadily, and long service life, relative low cost of manufacture, cost performance is high; The power of the utility model transmission can reach more than 5～10MW, and input (or output) moment of torsion can reach more than the 1000Tm, and transmission efficiency can reach more than the 0.95-0.97%; 3, adopt the bent axle of bidentate circle, crutches structure to make speed increaser possess good dynamic balancing, further strengthen the stability and the reliability of operation.
Description of drawings
Fig. 1 is an embodiment's of the utility model a positive sectional structure chart.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is the B-B sectional view among Fig. 1.
Fig. 4 is the C-C sectional view among Fig. 1.
Embodiment
Further specify the embodiment of the utility model below in conjunction with accompanying drawing.
Include casing, described casing includes main box body 18 and auxiliary housing 17, and auxiliary housing is arranged on a side of main box body and links through bolt, and the opposite side configuration of main box body is provided with the case lid 5 of bearing support; Be installed on lower velocity shaft 19 at the middle part of main box body, the two ends of lower velocity shaft join through the bearing support of bearing 7 with main box body, are installed with gear 6 on the lower velocity shaft; 2, two gear rings of identical number of teeth gear ring and gear that the circumferential phase difference that two of axial arrangement are installed in the gear outer is 180 ° mesh relatively, and the number of teeth of gear ring is 79 teeth; The number of teeth of gear is 78 teeth, and the difference of the number of teeth of gear ring and gear is 1 tooth, and the throw of eccentric between two gear ring center axis and the Gear axis is e1; The profile of tooth of described gear and gear ring is the double cycloid profile of tooth, is straight-tooth, and gear ring body end surface shape is similar to Long Hexagon; Two-throw crank shaft more for a long time, gear ring body end surface shape also can be done circular, symmetry is respectively offered two bearing holes on the gear ring body of two gear ring both sides; The every side in the both sides of gear ring disposes two two-throw crank shafts 1; 180 ° of the phase differences of two cranks of described two-throw crank shaft, the throw of eccentric of the axis of two cranks and crankshaft rotating axis is e1, and is corresponding with two gear rings; The two ends axle journal of two-throw crank shaft is bearing on the casing through bearing 4, and two cranks of two-throw crank shaft are through corresponding with the both sides of two gear rings respectively bearing hole phase configuration of bearing 3.Auxiliary housing 17 middle parts at the casing opposite side are installed on high speed shaft 15; Described high speed shaft is the two-throw crank shaft of 180 ° of phase differences; The throw of eccentric of the axis of two cranks and crankshaft rotating axis is e2; The two ends of high speed shaft join with the bearing support that the bearing support and the lower velocity shaft termination of auxiliary housing are offered respectively through bearing 16, and the axis of high speed shaft and lower velocity shaft coincides; Be installed on the transmission two-throw crank shaft 11 that links with two-throw crank shaft in the both sides of high speed shaft; Described transmission two-throw crank shaft one end is supported on the bearing support of auxiliary housing through bearing 13; The other end links through coupling and two-throw crank shaft, described coupling comprise connect firmly the axle sleeve of transmission two-throw crank shaft termination 9 be installed in the key 8 on the two-throw crank shaft, axle sleeve is set in the termination of two-throw crank shaft and keyway and the key phase configuration of offering through correspondence; Be supported in the bearing support of main box body together with the termination of two-throw crank shaft; The axis of described two-throw crank shaft coincides respectively with the axis of the transmission two-throw crank shaft that links to each other, and the transmission two-throw crank shaft is four, and two crank phases of transmission two-throw crank shaft differ from 180 °; The throw of eccentric of the axis of two cranks and crankshaft rotating axis is e2; The transmission two-throw crank shaft links to each other with two cranks of high speed shaft through two balances 12 respectively, and the bearing hole with high speed shaft crank phase configuration is offered in described balance centre, installs bearing 14 in the bearing hole; Bilateral symmetry is respectively offered the crank phase configuration of two bearing holes transmission two-throw crank shaft corresponding with both sides, and in bearing hole configuration bearing 10.Give high speed shaft through transmission two-throw crank shaft and balance with transmission of torque.Lower velocity shaft is an input shaft in the present embodiment, and low-speed big power is by lower velocity shaft and external gear input, and high speed shaft is an output shaft, with high-speed rotation output, constitutes the single-stage speed increaser thus, and speed increasing ratio is 1: 78.
If outer power is imported from high speed shaft, present embodiment can be used as retarder.
Claims (10)
1. the few tooth difference of the many bent axles of outer swing increases/retarder, it is characterized in that including casing, and a middle side part of casing is installed on lower velocity shaft; Gear is set on the lower velocity shaft; The identical number of teeth gear ring that the circumferential phase difference that two of axial arrangement are installed in the gear outer is 180 °, two gear rings and gear mesh relatively, and the difference of the number of teeth of gear ring and gear is 1～6 tooth; In the both sides of two gear rings or circumferentially dispose the two-throw crank shaft more than two or two; 180 ° of described two-throw crank shaft phase differences, the two supports of two-throw crank shaft on casing, two cranks respectively with the both sides of two gear rings or the bearing hole phase configuration that circumferentially is provided with; Opposite side middle part at casing is installed on high speed shaft; Described high speed shaft is the two-throw crank shaft of 180 ° of phase differences; In the both sides of high speed shaft or circumferentially be installed on the transmission two-throw crank shaft that links with two-throw crank shaft, two cranks of transmission two-throw crank shaft link to each other with two cranks of high speed shaft through balance respectively.
2. increase/retarder by the few tooth difference of the claim 1 many bent axles of described outer swing, it is characterized in that the both sides of described two gear rings or circumferentially dispose 3～8 two-throw crank shafts.
3. increase/retarder by claim 1 or the few tooth difference of the 2 many bent axles of described outer swing, the difference that it is characterized in that the number of teeth of described gear ring and gear is 1～2 tooth.
4. increase/retarder by claim 1 or the few tooth difference of the 2 many bent axles of described outer swing, the profile of tooth that it is characterized in that described gear and gear ring is the double cycloid profile of tooth.
5. increase/retarder by claim 1 or the few tooth difference of the 2 many bent axles of described outer swing, it is characterized in that described lower velocity shaft is an input shaft, described high speed shaft is an output shaft, constitutes speed increaser thus.
6. increase/retarder by the few tooth difference of the claim 5 many bent axles of described outer swing, the speed increasing ratio that it is characterized in that described speed increaser is for being 1: 10～120.
7. increase/retarder by claim 1 or the few tooth difference of the 2 many bent axles of described outer swing; It is characterized in that described casing includes main box body and auxiliary housing; Be installed on lower velocity shaft, gear and gear ring in the described main box body; And with the two-throw crank shaft of gear ring phase configuration, described auxiliary housing is installed on high speed shaft and transmission two-throw crank shaft, and is connected in the balance between high speed shaft and the transmission crutches axle.
8. increase/retarder by claim 1 or the few tooth difference of the 2 many bent axles of described outer swing; The axis that it is characterized in that described lower velocity shaft and high speed shaft coincides; The axis of described two-throw crank shaft coincides respectively with the axis of the transmission two-throw crank shaft that links to each other, and transmission two-throw crank shaft one end links through coupling and two-throw crank shaft.
9. increase/retarder by claim 1 or the few tooth difference of the 2 many bent axles of described outer swing, it is characterized in that two crank phase differences of transmission two-throw crank shaft are 180 °.
10. increase/retarder by the few tooth difference of the claim 8 many bent axles of described outer swing; It is characterized in that symmetry is respectively offered two bearing holes on the gear ring body of two gear ring both sides; The every side in the both sides of gear ring disposes two two-throw crank shafts, and two cranks of two-throw crank shaft are through corresponding with the both sides of two gear rings respectively bearing hole phase configuration of bearing, and it is four that the transmission hyperbolic turns; Two crank phases of transmission two-throw crank shaft differ from 180 °, link to each other with two cranks of high speed shaft through two balances respectively; Offer the bearing hole with high speed shaft crank phase configuration in the middle of the described balance, bilateral symmetry is offered the crank phase configuration of two bearing holes transmission two-throw crank shaft corresponding with both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204133752U CN202301817U (en) | 2011-10-26 | 2011-10-26 | Outer-swing multiple-crank-shaft less-tooth-difference accelerator/decelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204133752U CN202301817U (en) | 2011-10-26 | 2011-10-26 | Outer-swing multiple-crank-shaft less-tooth-difference accelerator/decelerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202301817U true CN202301817U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204133752U Expired - Lifetime CN202301817U (en) | 2011-10-26 | 2011-10-26 | Outer-swing multiple-crank-shaft less-tooth-difference accelerator/decelerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202301817U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352916A (en) * | 2011-10-26 | 2012-02-15 | 张宽友 | External swing speed increasing/reducing device with less teeth difference and more crankshafts |
| CN105065581A (en) * | 2015-08-19 | 2015-11-18 | 英瑞克自动化有限公司 | Single-stage multiple-linkage gear reducer |
-
2011
- 2011-10-26 CN CN2011204133752U patent/CN202301817U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352916A (en) * | 2011-10-26 | 2012-02-15 | 张宽友 | External swing speed increasing/reducing device with less teeth difference and more crankshafts |
| CN102352916B (en) * | 2011-10-26 | 2013-08-28 | 张宽友 | External swing speed increasing/reducing device with less teeth difference and more crankshafts |
| CN105065581A (en) * | 2015-08-19 | 2015-11-18 | 英瑞克自动化有限公司 | Single-stage multiple-linkage gear reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120704 Effective date of abandoning: 20130828 |
|
| RGAV | Abandon patent right to avoid regrant |