CN203363012U - Sieve swinging differential speed reducer - Google Patents
Sieve swinging differential speed reducer Download PDFInfo
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- CN203363012U CN203363012U CN 201320411236 CN201320411236U CN203363012U CN 203363012 U CN203363012 U CN 203363012U CN 201320411236 CN201320411236 CN 201320411236 CN 201320411236 U CN201320411236 U CN 201320411236U CN 203363012 U CN203363012 U CN 203363012U
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- gear
- pin
- sieve
- wheel
- speed reducer
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Abstract
The utility model discloses a sieve swinging differential speed reducer which comprises a pin gear base. Gear pins are evenly distributed on the inner circumferential wall of the pin gear base. The sieve swinging differential speed reducer is characterized in that an output wheel is arranged on one side of the pin gear base, the output wheel and the pin gear base form a round cavity, gear hobbing pins are evenly distributed on the inner wall of the output wheel, a sieve swinging gear and an input wheel are arranged in the round cavity, the sieve swinging gear is arranged on an eccentric gear at the inner end of the input wheel in a sleeved mode, the number of teeth and the modulus of the sieve swinging gear and the number of teeth and the modulus of the gear pins are equal, the modulus of the sieve swinging gear and the modulus of the gear hobbing pins are equal, the number of teeth of the sieve swinging gear differs from the number of teeth of the gear hobbing pins by one, the sieve swinging gear is in internal occlusion with part of gear pins and gear hobbing pins respectively, the input wheel is drawn out from one side of the pin gear base and is provided with a driving shaft hole, and the axis of the output wheel is provided with a working shaft hole. The sieve swinging differential speed reducer has the advantages of being few in number of complete machine parts, small in size, low in weight, simple in structure, low in manufacturing cost, little in generated heat, easy to radiate, low in requirement for the working accuracy of the complete machine, convenient and fast to mount, capable of achieving low velocity ratio and high power, capable of achieving a self-locking function, wide in applied range, and strong in expansibility.
Description
Technical field
The utility model relates to a kind of retarder, particularly a kind of sieve run-out tolerance speed reducer.
Background technique
The tradition cycloidal planetary gear speed reducer is the reducer shell be formed by connecting by chassis block, pin wheel housing and flange seat, be arranged on respectively input shaft and output shaft in flange seat and chassis block, be sleeved on the cycloidal gear of input shaft the inner by eccentric bushing, the uniform gear pin be fixed in pin wheel housing, the uniform bearing pin be fixed on the inner wheel disc of output shaft forms.The problem that this cycloidal planetary gear speed reducer exists is: 1, input shaft and output shaft are arranged on flange seat and chassis block by bearing respectively, simultaneously for making mechanism reach balance, usually be symmetrical arranged two cover eccentric bushing and cycloidal gears on input shaft, therefore to carry out counterrotating part many for complete machine, volume is large, and complex structure, manufacture cost are high, and the heat of generation is large, the heat radiation difficulty is particularly outstanding during high-power transmission; 2, bearing pin one end be fixed on output shaft, in cantilever position, and work the time relies on the bearing pin transmission than high pulling torque fully, therefore on bearing pin, being set with the cover that rolls, but bearing pin or easily wearing and tearing, bending even fracture; Error occurs once particularly add man-hour bearing pin halving precision, will cause the even single bearing pin of part stressed separately, can greatly accelerate the bearing pin wearing and tearing, therefore higher to the component processing required precision; While 3, installing, input shaft need to be used respectively coupling to be connected with working shaft with motor shaft with output shaft, installs loaded down with trivial details; 4, the profile of tooth that is located at the cycloidal gear outer rim is abnormal epicycloid, the profile of tooth complexity, and difficulty of processing is large; 5, counterrotating parts are many, and the surface friction drag that need overcome when motor is driven is large, has increased the load of motor.
I CN101705979 of invention discloses a kind of cycloidal planetary gear speed reducer, although this cycloidal planetary gear speed reducer has solved the problems referred to above to a certain extent, if but find in practice to need to manufacture low speed than high-power cycloid speed reducer, just need to reduce diameter and the number of teeth of pin toothholder and cycloidal gear, once, and cycloidal gear diameter mistake urine is processed the fan shaped borehole on it nowhere, therefore the cycloidal planetary gear speed reducer of this structure can't realize that low speed is than high-power.
Summary of the invention
Technical problem to be solved in the utility model be to provide that a kind of volume is little, simple in structure, manufacture cost and requirement on machining accuracy low, be convenient to install, can realize that low speed is than powerful sieve run-out tolerance speed reducer.
The technical solution of the utility model is: comprise the pin toothholder, circumferential inner wall at the pin toothholder is evenly equipped with gear pin, its special way is: in pin toothholder one side, be provided with output wheel, output wheel and pin toothholder form a circular cavity, circumferential inner wall at output wheel is evenly equipped with the gear hobbing pin, be provided with sieve pendulum gear and wheel for inputting in described circular cavity, sieve pendulum gear set is on the eccentric wheel of wheel for inputting the inner, described sieve pendulum gear equates respectively with the number of teeth and the modulus of gear pin, sieve pendulum gear equates with the modulus of gear hobbing pin, the number of teeth differs one, sieve pendulum gear respectively with part gear pin and gear hobbing pin internal gearing, the center of circle linear diameter that gear pin and gear hobbing pin distribute equals respectively and the sieve pendulum outside diameter of gear of its interlock and the eccentric wheel throw of eccentric sum of two times, initiatively axis hole is drawn and be provided with in axle center to wheel for inputting by pin toothholder one side, be provided with the work axis hole in the output wheel axle center.
Above-mentioned sieve run-out tolerance speed reducer, the teeth of described sieve pendulum gear are the roundlet curved tooth, between adjacent teeth, are arc transition, to reduce difficulty of processing, are convenient to processing.
Above-mentioned sieve run-out tolerance speed reducer, described eccentric wheel and wheel for inputting are integrated, so that processing and simplified structure.
Above-mentioned sieve run-out tolerance speed reducer is provided with equalizing orifice on eccentric wheel, with the balance eccentric force, increases the service life.
Above-mentioned sieve run-out tolerance speed reducer is evenly equipped with needle roller between sieve pendulum gear and eccentric wheel, to reduce wearing and tearing, increases the service life.
Above-mentioned sieve run-out tolerance speed reducer, between wheel for inputting and pin toothholder inner port and be respectively equipped with sealing between the opposing side of pin toothholder and output wheel, so that lubricated.
The utility model has the advantages that:
1, because complete machine only has four basic elements of character, form, it is few that complete machine carries out counterrotating parts, so volume is little, lightweight, simple in structure, low cost of manufacture, and the heat of generation is little, easily heat radiation; The overall weight volume is equivalent to 1/3rd of the various types of Same Efficieney, is particularly suitable for installing and using at the narrow space place.
2, spacing by the gear pin on the pin toothholder, make sieve pendulum gear do the sieve pendulum motion and drive the output wheel differential speed rotation, having solved existing cycloidal planetary gear speed reducer relies on the fixing bearing pin transmitting torque of an end to cause the bearing pin crooked and higher problem of requirement on machining accuracy of easily wearing and tearing, the complete machine requirement on machining accuracy is relatively low, reaches the ordinary gear machining accuracy and gets final product.
3, owing to being respectively equipped with initiatively axis hole and work axis hole in wheel for inputting and output wheel axle center, without using coupling to connect motor and working shaft, motor shaft and working shaft are inserted respectively to initiatively axis hole and work axis hole and get final product during installation, quick and easy for installation.
4, changed the kind of drive of traditional cycloidal planetary gear speed reducer, on sieve pendulum gear, without any pin shaft hole or fan shaped borehole are set, sieve pendulum gear size is unrestricted, and therefore can produce low speed compares high-power gear reducer.
5, because the gear pin by the pin toothholder is spacing, make sieve pendulum gear do the sieve pendulum motion and drive the equidirectional differential speed rotation of output wheel, cause acting on two power equal and opposite in directions, the opposite direction on sieve pendulum gear-profile, so be difficult to drive the rotation of sieve pendulum gear by output wheel, so output wheel has auto-lock function.
6, applied widely, expansivity is strong.By simple change modular construction, just this sieve run-out tolerance speed reducer can be changed system into to various utilities, as jack, augmenting wrench etc.
7, because parts are less, so failure rate is low, long service life, be easy to the maintenance assembling.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the left view (removing output wheel) of Fig. 1;
Fig. 3 is the right elevation (removing the pin toothholder) of Fig. 1.
In figure: pin toothholder 1, output wheel 2, work axis hole 201, circular cavity 3, eccentric wheel 4, equalizing orifice 401, sieve pendulum gear 5, lightening hole 501, gear hobbing pin 6, seal 7, gear pin 8, wheel for inputting 9, active axis hole 901, needle roller 10.
Embodiment
As shown in the figure, this sieve run-out tolerance speed reducer has a pin toothholder 1, at the uniform gear pin 8 that is installed with of the circumferential inner wall of pin toothholder 1, gear pin 8 one sides at pin toothholder 1 are provided with output wheel 2, output wheel 2 forms a circular cavity 3 with pin toothholder 1, at the uniform gear hobbing pin 6 that is installed with of the circumferential inner wall of output wheel 2, on the excircle of gear pin 8 and gear hobbing pin 6, the circumferential inner wall that protrudes from respectively pin toothholder 1 and output wheel 2 close to 1/2nd girth is arranged.Be provided with sieve pendulum gear 5 and wheel for inputting 9 in described circular cavity 3, sieve pendulum gear 5 is sleeved on the eccentric wheel 4 of wheel for inputting 9 the inners, be laid with a plurality of lightening holes 501 on sieve pendulum gear 5, eccentric wheel 4 is structure as a whole with wheel for inputting 9, so that processing and simplified structure.Be provided with a plurality of equalizing orifices 401 on eccentric wheel 4, with the balance eccentric force, the quantity of equalizing orifice 401 and large I are according to calculating, and the present embodiment be take three as example.Be evenly equipped with needle roller 10 between sieve pendulum gear 5 and eccentric wheel 4, to reduce wearing and tearing, increase the service life.Initiatively axis hole 901 is drawn and be provided with in axle center to described wheel for inputting 9 by pin toothholder 1 one sides, in output wheel 2 axle center, be provided with work axis hole 201.Be respectively equipped with sealing 7 between wheel for inputting 9 and pin toothholder 1 inner port and between the opposing side of pin toothholder 1 and output wheel 2, so that lubricate, prevent seepage.
Described sieve pendulum gear 5 is to be formed by stacking by two sleeve gears, wherein set of gears equates respectively with the number of teeth and the modulus of gear pin 8, another set of gear equates with the modulus of gear hobbing pin 6, the number of teeth differs one, be the quantity of gear hobbing pin 6 than many one of the number of teeth of corresponding sieve pendulum gear 5, two sleeve gears of sieve pendulum gear 5 respectively with part gear pin 8 and gear hobbing pin 6 internal gearings.In the present embodiment, the parameters such as the number of teeth of two sleeve gears of sieve pendulum gear 5 and modulus equate respectively, so that processing.The center of circle linear diameter that described gear pin 8 and gear hobbing pin 6 distribute equals respectively and sieve pendulum gear 5 external diameters of its interlock and the eccentric wheel 4 throw of eccentric sums of two times.The teeth of described sieve pendulum gear 5 are the roundlet curved tooth, between adjacent teeth, are arc transition.
During installation, pin toothholder 1 is fixed on a pedestal, the active axis hole 901 that motor shaft and working shaft is inserted respectively to wheel for inputting 9 and output wheel 2 is with work axis hole 201 and be connected by key, starting electrical machinery drives wheel for inputting 9 rotations, drive 5 motions of sieve pendulum gear by eccentric wheel 4, spacing lower sieve pendulum gear 5 at gear pin 8 is done all the time the sieve pendulum motion and can not revolve round the sun in the scope of teeth, the sieve pendulum drives output wheel 2 rotating Vortexes simultaneously, wheel for inputting 9 teeth of output wheel 2 rotating Vortex that rotate a circle, realized differential output in the same way.
By simple change modular construction, just this sieve run-out tolerance speed reducer can be made to various utilities.For example wheel for inputting 9 and output wheel 2 outer ends are made and are hung the sprocket wheel that jack is used, just can be used as jack and use, due to compact structure, number than large, self-locking performance is strong, so slow running is without balance-seeking, and the load chain two ends all can hang weight, can reduce the time of turned letter chain, increase work efficiency.Four directions or six is made in wheel for inputting 9 and output wheel 2 outer ends and conveniently can be made into augmenting wrench, be widely used in the large-sized bolt degree of tightness, heavy vehicle tyre handling etc., using scope is extensive, and expansivity is strong.
Claims (6)
1. one kind is sieved the run-out tolerance speed reducer, comprise the pin toothholder, circumferential inner wall at the pin toothholder is evenly equipped with gear pin, it is characterized in that: in pin toothholder one side, be provided with output wheel, output wheel and pin toothholder form a circular cavity, circumferential inner wall at output wheel is evenly equipped with the gear hobbing pin, be provided with sieve pendulum gear and wheel for inputting in described circular cavity, sieve pendulum gear set is on the eccentric wheel of wheel for inputting the inner, described sieve pendulum gear equates respectively with the number of teeth and the modulus of gear pin, sieve pendulum gear equates with the modulus of gear hobbing pin, the number of teeth differs one, sieve pendulum gear respectively with part gear pin and gear hobbing pin internal gearing, the center of circle linear diameter that described gear pin and gear hobbing pin distribute equals respectively and the sieve pendulum outside diameter of gear of its interlock and the eccentric wheel throw of eccentric sum of two times, initiatively axis hole is drawn and be provided with in axle center to wheel for inputting by pin toothholder one side, be provided with the work axis hole in the output wheel axle center.
2. sieve run-out tolerance speed reducer according to claim 1 is characterized in that: the teeth of described sieve pendulum gear are the roundlet curved tooth, between adjacent teeth, are arc transition.
3. sieve run-out tolerance speed reducer according to claim 1, it is characterized in that: described eccentric wheel and wheel for inputting are integrated.
4. according to the described sieve run-out tolerance of claim 1 or 3 speed reducer, it is characterized in that: be provided with equalizing orifice on eccentric wheel.
5. sieve run-out tolerance speed reducer according to claim 1, is characterized in that: between sieve pendulum gear and eccentric wheel, be evenly equipped with needle roller.
6. sieve run-out tolerance speed reducer according to claim 1 is characterized in that: between wheel for inputting and pin toothholder inner port and be respectively equipped with sealing between the opposing side of pin toothholder and output wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320411236 CN203363012U (en) | 2013-07-04 | 2013-07-04 | Sieve swinging differential speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320411236 CN203363012U (en) | 2013-07-04 | 2013-07-04 | Sieve swinging differential speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203363012U true CN203363012U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320411236 Expired - Lifetime CN203363012U (en) | 2013-07-04 | 2013-07-04 | Sieve swinging differential speed reducer |
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| CN (1) | CN203363012U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335069A (en) * | 2013-07-04 | 2013-10-02 | 齐中才 | Sieve pendulum differential gear reducer |
| US10421481B2 (en) | 2015-09-07 | 2019-09-24 | Volkswagen Aktiengesellschaft | Utility vehicle steering system |
| JP2020045962A (en) * | 2018-09-19 | 2020-03-26 | 株式会社ニッセイ | Differential decelerator |
-
2013
- 2013-07-04 CN CN 201320411236 patent/CN203363012U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335069A (en) * | 2013-07-04 | 2013-10-02 | 齐中才 | Sieve pendulum differential gear reducer |
| CN103335069B (en) * | 2013-07-04 | 2015-12-02 | 齐中才 | Sieve run-out tolerance speed reducer |
| US10421481B2 (en) | 2015-09-07 | 2019-09-24 | Volkswagen Aktiengesellschaft | Utility vehicle steering system |
| JP2020045962A (en) * | 2018-09-19 | 2020-03-26 | 株式会社ニッセイ | Differential decelerator |
| JP7195835B2 (en) | 2018-09-19 | 2022-12-26 | 株式会社ニッセイ | differential 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: 20131225 Effective date of abandoning: 20151202 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |