CN103307227A - Low-speed heavy-load three-ring speed reducer capable of adjusting speed - Google Patents
Low-speed heavy-load three-ring speed reducer capable of adjusting speed Download PDFInfo
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- CN103307227A CN103307227A CN2013101873759A CN201310187375A CN103307227A CN 103307227 A CN103307227 A CN 103307227A CN 2013101873759 A CN2013101873759 A CN 2013101873759A CN 201310187375 A CN201310187375 A CN 201310187375A CN 103307227 A CN103307227 A CN 103307227A
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Abstract
The invention discloses a speed-adjustable low-speed heavy-load three-ring speed reducer which comprises an input shaft, a sun wheel shaft, three middle wheel shafts, three high-speed shafts, an output shaft and four inner toothed plates, wherein the input shaft, the sun wheel shaft, the three middle wheel shafts, the three high-speed shafts and the output shaft are arranged on a shaft-mounted rack; the input shaft is provided with a sliding gear set, the sun gear shaft is provided with a speed change gear set and a sun gear, three middle wheel shafts and three high-speed shafts are sequentially surrounded around the sun gear shaft from inside to outside, the middle wheel is arranged on the middle wheel shaft, the high-speed shafts are provided with a side outer gear and an eccentric shaft sleeve, the eccentric shaft sleeve comprises a middle shaft sleeve and two side shaft sleeves, the length of the middle shaft sleeve is twice that of the side shaft sleeves, and the middle shaft sleeve and the side shaft sleeves are arranged in a double-eccentric symmetrical mode; two internal tooth plates are arranged on the middle shaft sleeve, the other two internal tooth plates are respectively arranged on the side shaft sleeve, an external gear is arranged on the output shaft, and the external gear is meshed with the internal gear rings of the four internal tooth plates to realize small tooth difference transmission. The invention can effectively reduce the load born by the supporting shaft and prolong the service life of the supporting shaft.
Description
Technical field
The present invention relates to a kind of low-speed heave-load three-ring speed reducer of variable-speed, be particularly useful for the drive part of mining sinking winch.
Background technique
Three-ring speed reducer is a kind of as few tooth difference transmission system, it is big to have velocity ratio, the transmission efficiency height, advantages such as load is even, industries such as metallurgy, oil, building, mining, cement have been widely used in, but in actual application, owing to there are factors such as vibration, impact, three-ring speed reducer input shaft and back shaft when low-speed heave-load usually cause strain because of alternation moment.Bearing on the input shaft is owing to bear bigger load, and working life is often not long, needs regular replacing.Existing sinking winch is owing to need bigger velocity ratio, the mode that often adopts worm and gear transmission or level Four cylinder to slow down, transmission efficiency is low, and it is big to take volume, and worm and gear very easily weares and teares, wearing and tearing back maintenance difficulty is big, and the repair cost height removes and installs inconvenience.
Existing three-ring speed reducer adopts 180 ° of internal gear arrangements of double input or 120 ° of arrangements of single input more, the mode that its load-balancing device adopts V band or direct geared to transmit, when being subjected to big load or impacting, often cause the load distribution inequality, make axle fracture easily.It is excessive that the mode of all carrying of direct gear engagement makes that also gear meshes required centre distance, causes the increase of complete machine weight.
Summary of the invention
Goal of the invention: the objective of the invention is to design three inputs, four internal gear three-ring speed reducers a kind of variable-speed, that be applicable under the low-speed heave-load operating mode, utilize breast wheel all to carry, to reduce the load that back shaft was born, increase its working life.
In order to solve the problems of the technologies described above, the present invention has adopted following technological scheme:
A kind of low-speed heave-load three-ring speed reducer of variable-speed comprises wheel shaft in the middle of the input shaft that is arranged on the shaft-mounted frame, sun wheel shaft, three, three high speed shafts and output shaft, and four internal gears;
Input shaft is provided with sliding gear train, sun wheel shaft is provided with speed change gear group and sun gear, the speed change gear group is meshed with sliding gear train, around sun wheel shaft from the inside to the outside successively around wheel shafts in the middle of three and three high speed shafts, middle wheel shaft and high speed shaft are corresponding one by one, and all be the equilateral triangle setting, be provided with breast wheel at middle wheel shaft, be provided with side external gear and excentric sleeve at high speed shaft, breast wheel is meshed with sun gear and side external gear respectively, excentric sleeve comprises axle sleeve and two side shaft covers in the middle of one, and the length of middle axle sleeve is the twice of side shaft cover, and middle axle sleeve and side shaft cover are two eccentric symmetric arrangement;
Two internal gears are arranged on jack shaft and put, two other internal gear is separately positioned on side shaft and puts, the medial axis of output shaft and the medial axis of sun wheel shaft coincide, be provided with external gear at output shaft, be meshed with the ring gear of four internal gears phase difference of two internal gears that two internal gears realizing that few tooth difference transmission, jack shaft put and side shaft put of external gear is 180 °.
In the present invention, further, described shaft-mounted frame comprises the three-ring speed reducer framework, intermediate membrane at the three-ring speed reducer framework arranges planet carrier, left box body lid and right case lid are set, at the arranged outside mission case of left box body lid or right case lid respectively at the two ends of three-ring speed reducer framework; Described input shaft is arranged in mission case and left box body covers, sun wheel shaft is arranged in mission case, left box body covers with planet carrier on, middle wheel shaft is arranged on the planet carrier, high speed shaft and output shaft all are arranged in intermediate membrane and right case covers.
In the present invention, further, described left box body lid and right case cover and are respectively equipped with boss, and mission case and three-ring speed reducer framework position by boss and two Box Covers, and are fitted together by set screws.
In the present invention, further, offer fork slot on the described mission case, in fork slot, be provided with shift fork, one end of shift fork blocks described sliding gear train, the other end of shift fork is connected with the middle part of shifting fork bar, and an end of shifting fork bar is connected with mission case, and the other end of shifting fork bar is connected with handle.
In the present invention, further, described internal gear is equilateral triangle.
Beneficial effect:
(1) this retarder adopts three inputs, the four internal gear kinds of drive, can reduce the load that each root back shaft bears effectively, can reduce the load that the internal gear upper bearing (metal) bears simultaneously, increases its working life, reduces the required dismounting problem of bearing replacing;
(2) adopt four identical internal gears, middle two internal gears are by the combination of baffle plate screw, and the form that is not made of one, be conducive to unified processing and installation, the phase difference of two internal gears that two internal gears that jack shaft puts and side shaft put is 180 °, can self balancing load and moment, the roller bearing bearing load of axle both sides is little;
(3) internal gear is the equilateral triangle shape, and two input internal gears than common though increased volume, can bear bigger load, in low-speed heave-load, are conducive to improve the working life of retarder;
(4) excentric sleeve one end has the location shaft shoulder, is used for the location of roller bearing and the location between the excentric sleeve, can reduce axle sleeve quantity, and is convenient to install and repair demolition;
(5) be different from traditional housing structure up and down, this retarder adopts shaft-mounted frame, can not have under the situation of lifting means, carries out the dismounting maintenance easily;
(6) adopt breast wheel to be mutually 120 ° and all carry, can suitably increase and decrease the size of breast wheel according to different reduction speed ratio, make things convenient for the modification of concrete condition;
(7) use shifting slide gear to carry out speed change, by regulating the position of shifting fork bar, fast, slow two kinds of gears can be arranged, adapt to fast, the jogging speed demand of sinking winch;
(8) this variable-speed three-ring speed reducer manufacturing process is simple, flexible and convenient operation, and safe and reliable, maintenance cost is low, the transmission efficiency height.
Description of drawings
Accompanying drawing 1 is variable-speed low-speed heave-load three-ring speed reducer of the present invention left side pseudosection.
Accompanying drawing 2 partly cuts open figure for variable-speed low-speed heave-load three-ring speed reducer master of the present invention looks.
Accompanying drawing 3 is variable-speed low-speed heave-load three-ring speed reducer plan view of the present invention.
Accompanying drawing 4 is variable-speed low-speed heave-load three-ring speed reducer breast wheel load balancing mechanism sectional view of the present invention.
Accompanying drawing 5 is the layout plan of variable-speed low-speed heave-load three-ring speed reducer operating grip of the present invention and shifting fork bar.
Accompanying drawing 6 is the left view of variable-speed low-speed heave-load three-ring speed reducer operating grip of the present invention and shifting fork bar.
Among the figure: 1-input shaft, 2-bearing (ball) cover, one, 3-deep groove ball bearing one, 4-sliding gear train, 5-speed change gear group, 6-sun wheel shaft, 7-mission case, 8-sun gear, 9-breast wheel, 10-roller bearing one, 11-middle wheel shaft, 12-planet carrier, 13-side external gear, 14-high speed shaft, 15-three-ring speed reducer framework, 16-roller bearing, two, 17-baffle plate, 18-internal gear, 19-roller bearing, three, 20-excentric sleeve, 21-bearing (ball) cover two, 22-deep groove ball bearing, two, 23-external gear, 24-bearing (ball) cover three, 25-roller bearing, four, 26-output shaft, 27-roller bearing five, 28-handle, 29-shifting fork bar, 30-shift fork, 31-cotter pin, 32-pad, 33-bearing pin.
Embodiment:
Below in conjunction with accompanying drawing the present invention is done further explanation.
To shown in Figure 6, the low-speed heave-load three-ring speed reducer of variable-speed of the present invention comprises shaft-mounted frame, input shaft 1, sun wheel shaft 6, three middle wheel shafts 11, three high speed shafts 14, output shaft 26 and four internal gears 18 as Fig. 1.
Shaft-mounted frame comprises three-ring speed reducer framework 15, in the intermediate membrane of three-ring speed reducer framework 15 planet carrier 12 is set, and left box body lid and right case lid are set respectively at the two ends of three-ring speed reducer framework 15, the arranged outside mission case 7 that covers at left box body.Left box body lid and right case cover and are respectively equipped with boss, and mission case 7 and three-ring speed reducer framework 15 position by boss and two Box Covers, and are fitted together by set screws.
One end of input shaft 1 connects motor output shaft by coupling, and the middle part of input shaft 1 and the other end are arranged in mission case 7 respectively by deep groove ball bearing 3 and left box body covers, and bearing (ball) cover 1 is installed in the outside of deep groove ball bearing 3.Input shaft 1 between mission case 7 and left box body lid is by flat key mounting slip formula gear train 4, and sliding gear train 4 is made up of two gears.Offer fork slot at fast device casing 7, in fork slot, be provided with shift fork 30, one end of shift fork 30 blocks sliding gear train 4, the middle part of the other end of shift fork 30 and shifting fork bar 29 is hinged, one end of shifting fork bar 29 is hinged with mission case 7 by cotter pin 31, pad 32 and bearing pin 33, and the other end of shifting fork bar 29 and handle 28 are hinged.
The two ends of sun wheel shaft 6 and middle part are arranged in mission case 7, planet carrier 12 and left box body respectively by deep groove ball bearing 3 and cover, on the sun wheel shaft 6 between mission case 7 and the left box body lid, by flat key speed change gear group 5 is installed, speed change gear group 5 also is made up of two gears, one of them gear of speed change gear group 5 is meshed with one of them gear of sliding gear train 4, by flat key sun gear 8 is installed on the sun wheel shaft 6 between left box body lid and the planet carrier 12.From the inside to the outside successively around three middle wheel shafts 11 and three high speed shafts 14, middle wheel shaft 11 and high speed shaft 14 are corresponding one by one, and all are the equilateral triangle setting around sun wheel shaft 6.Middle wheel shaft 11 is arranged on the planet carrier 12, by roller bearing 1 breast wheel 9 is installed at middle wheel shaft 11, and breast wheel 9 is meshed with sun gear 8.
One end of high speed shaft 14 is arranged on the intermediate membrane by roller bearing 2 16, and the other end of high speed shaft 14 is arranged in right case by deep groove ball bearing 2 22 and covers, and in the outside of deep groove ball bearing 2 22 bearing (ball) cover 2 21 is installed.High speed shaft 14 between left box body lid and intermediate membrane is by flat key installation side external gear 13, and side external gear 13 is meshed with breast wheel 9, and the high speed shaft 14 between intermediate membrane and right case lid is by flat key setting-up eccentricity axle sleeve 20.Excentric sleeve 20 comprises axle sleeve and two side shaft covers in the middle of one, and the length of middle axle sleeve is the twice of side shaft cover, and middle axle sleeve and side shaft cover are two eccentric symmetric arrangement.
The medial axis of the medial axis of output shaft 26 and sun wheel shaft 6 coincides, one end of output shaft 26 is arranged on the intermediate membrane by roller bearing 5 27, the middle part of output shaft 26 is arranged in right case by roller bearing 4 25 and covers, bearing (ball) cover 3 24 is installed in the outside at roller bearing 4 25, and the other end of output shaft 26 links to each other with the sinking winch spool shaft by coupling.On the output shaft 26 between intermediate membrane and the right case lid, by flat key external gear 23 is installed, external gear 23 is meshed with the ring gear of four internal gears 18 and realizes few tooth difference transmission, because middle axle sleeve and side shaft cover are two eccentric symmetric arrangement, the phase difference of two internal gears 18 that two internal gears 18 and the side shaft that jack shaft puts puts is 180 °.
Working principle: motor drives input load by coupling, after stirring sliding gear train 4 and realize soon, regulate at a slow speed by handle 28 control shift forks 30, all carry via three middle wheel shafts 11, load is equally divided into three parts, drive internal gear 18 motions by three high speed shafts 14 that have excentric sleeve 20 again, slow down according to few tooth difference principle, load finally is delivered on the output shaft 26.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. the low-speed heave-load three-ring speed reducer of a variable-speed, it is characterized in that: comprise input shaft (1), sun wheel shaft (6), three middle wheel shafts (11), three high speed shafts (14) and output shafts (26) of being arranged on the shaft-mounted frame, and four internal gears (18);
Input shaft (1) is provided with sliding gear train (4), sun wheel shaft (6) is provided with speed change gear group (5) and sun gear (8), speed change gear group (5) is meshed with sliding gear train (4), around sun wheel shaft (6) from the inside to the outside successively around wheel shafts (11) in the middle of three and three high speed shafts (14), middle wheel shaft (11) and high speed shaft (14) are corresponding one by one, and all be the equilateral triangle setting, be provided with breast wheel (9) at middle wheel shaft (11), be provided with side external gear (13) and excentric sleeve (20) at high speed shaft (14), breast wheel (9) is meshed with sun gear (8) and side external gear (13) respectively, axle sleeve and two side shaft covers in the middle of excentric sleeve (20) comprises one, the length of middle axle sleeve is the twice of side shaft cover, and middle axle sleeve and side shaft cover are two eccentric symmetric arrangement;
Two internal gears (18) are arranged on jack shaft and put, two other internal gear (18) is separately positioned on side shaft and puts, the medial axis of the medial axis of output shaft (26) and sun wheel shaft (6) coincides, be provided with external gear (23) at output shaft (26), external gear (23) is meshed with the ring gear of four internal gears (18) and realizes few tooth difference transmission, and two internal gears (18) that jack shaft puts are 180 ° with the phase difference of two internal gears (18) that side shaft puts.
2. according to the low-speed heave-load three-ring speed reducer of any described a kind of variable-speed in the claim 1, it is characterized in that: described shaft-mounted frame comprises three-ring speed reducer framework (15), intermediate membrane at three-ring speed reducer framework (15) arranges planet carrier (12), left box body lid and right case lid are set, at the arranged outside mission case (7) of left box body lid or right case lid respectively at the two ends of three-ring speed reducer framework (15); Described input shaft (1) is arranged in mission case (7) and left box body covers, sun wheel shaft (6) is arranged in mission case (7), left box body covers and planet carrier (12) on, middle wheel shaft (11) is arranged on the planet carrier (12), high speed shaft (14) and output shaft (26) all is arranged in intermediate membrane and right case covers.
3. the low-speed heave-load three-ring speed reducer of a kind of variable-speed according to claim 2, it is characterized in that: described left box body lid and right case cover and are respectively equipped with boss, mission case (7) and three-ring speed reducer framework (15) position by boss and two Box Covers, and are fitted together by set screws.
4. the low-speed heave-load three-ring speed reducer of a kind of variable-speed according to claim 2, it is characterized in that: described mission case is offered fork slot on (7), in fork slot, be provided with shift fork (30), one end of shift fork (30) blocks described sliding gear train (4), the other end of shift fork (30) is connected with the middle part of shifting fork bar (29), one end of shifting fork bar (29) is connected with mission case (7), and the other end of shifting fork bar (29) is connected with handle (28).
5. the low-speed heave-load three-ring speed reducer of a kind of variable-speed according to claim 1, it is characterized in that: described internal gear (18) is equilateral triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101873759A CN103307227A (en) | 2013-05-20 | 2013-05-20 | Low-speed heavy-load three-ring speed reducer capable of adjusting speed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101873759A CN103307227A (en) | 2013-05-20 | 2013-05-20 | Low-speed heavy-load three-ring speed reducer capable of adjusting speed |
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| CN103307227A true CN103307227A (en) | 2013-09-18 |
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| CN2013101873759A Pending CN103307227A (en) | 2013-05-20 | 2013-05-20 | Low-speed heavy-load three-ring speed reducer capable of adjusting speed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985609A (en) * | 2020-01-07 | 2020-04-10 | 北京万创兴达科技有限公司 | Double-gear-set anti-backlash speed reducer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07133849A (en) * | 1993-11-12 | 1995-05-23 | Teijin Seiki Co Ltd | Eccentric differential type speed reducer |
| CN2333577Y (en) * | 1998-08-03 | 1999-08-18 | 郑宇虎 | Integrated rear axle speed-charging box with six forward shifts and one reverse gear shift |
| CN2446328Y (en) * | 2000-01-10 | 2001-09-05 | 常乃麟 | Low viberation less gearing tolerance ring board type decoelerator |
| CN2464991Y (en) * | 2001-02-08 | 2001-12-12 | 常乃麟 | Low vibration less tooth difference four-disc speed reducer |
| CN2742233Y (en) * | 2004-11-05 | 2005-11-23 | 上海应用技术学院 | Internal gear plate type planet gear driving device |
| CN1982742A (en) * | 2005-12-13 | 2007-06-20 | 王榕生 | Dynamic balance driving mechanism with small tooth-differential planetary transmission |
| CN201003571Y (en) * | 2007-01-19 | 2008-01-09 | 大连交通大学 | Three gear plate inner mesh few teeth difference planetary gear transmission device |
| CN201173278Y (en) * | 2007-04-30 | 2008-12-31 | 湖北省咸宁三合机电制业有限责任公司 | Gear connecting ring few teeth difference decelerator |
| CN201177029Y (en) * | 2008-04-10 | 2009-01-07 | 喻幸福 | Planet type few teeth difference decelerator |
| CN201934595U (en) * | 2010-12-23 | 2011-08-17 | 湖北永祥粮食机械股份有限公司 | Gearbox of hulling machine |
| CN102192272A (en) * | 2010-03-05 | 2011-09-21 | 黄秋莎 | Balance outer ring-type reducer |
| CN202091432U (en) * | 2011-06-22 | 2011-12-28 | 重庆钢铁(集团)有限责任公司 | A speed reducer with small tooth difference |
| CN102797796A (en) * | 2011-05-27 | 2012-11-28 | 吴小杰 | Novel three-ring speed reducer |
-
2013
- 2013-05-20 CN CN2013101873759A patent/CN103307227A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07133849A (en) * | 1993-11-12 | 1995-05-23 | Teijin Seiki Co Ltd | Eccentric differential type speed reducer |
| CN2333577Y (en) * | 1998-08-03 | 1999-08-18 | 郑宇虎 | Integrated rear axle speed-charging box with six forward shifts and one reverse gear shift |
| CN2446328Y (en) * | 2000-01-10 | 2001-09-05 | 常乃麟 | Low viberation less gearing tolerance ring board type decoelerator |
| CN2464991Y (en) * | 2001-02-08 | 2001-12-12 | 常乃麟 | Low vibration less tooth difference four-disc speed reducer |
| CN2742233Y (en) * | 2004-11-05 | 2005-11-23 | 上海应用技术学院 | Internal gear plate type planet gear driving device |
| CN1982742A (en) * | 2005-12-13 | 2007-06-20 | 王榕生 | Dynamic balance driving mechanism with small tooth-differential planetary transmission |
| CN201003571Y (en) * | 2007-01-19 | 2008-01-09 | 大连交通大学 | Three gear plate inner mesh few teeth difference planetary gear transmission device |
| CN201173278Y (en) * | 2007-04-30 | 2008-12-31 | 湖北省咸宁三合机电制业有限责任公司 | Gear connecting ring few teeth difference decelerator |
| CN201177029Y (en) * | 2008-04-10 | 2009-01-07 | 喻幸福 | Planet type few teeth difference decelerator |
| CN102192272A (en) * | 2010-03-05 | 2011-09-21 | 黄秋莎 | Balance outer ring-type reducer |
| CN201934595U (en) * | 2010-12-23 | 2011-08-17 | 湖北永祥粮食机械股份有限公司 | Gearbox of hulling machine |
| CN102797796A (en) * | 2011-05-27 | 2012-11-28 | 吴小杰 | Novel three-ring speed reducer |
| CN202091432U (en) * | 2011-06-22 | 2011-12-28 | 重庆钢铁(集团)有限责任公司 | A speed reducer with small tooth difference |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985609A (en) * | 2020-01-07 | 2020-04-10 | 北京万创兴达科技有限公司 | Double-gear-set anti-backlash speed reducer |
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Application publication date: 20130918 |