CN202118197U - Novel transmission device of planetary gear - Google Patents
Novel transmission device of planetary gear Download PDFInfo
- Publication number
- CN202118197U CN202118197U CN 201120189483 CN201120189483U CN202118197U CN 202118197 U CN202118197 U CN 202118197U CN 201120189483 CN201120189483 CN 201120189483 CN 201120189483 U CN201120189483 U CN 201120189483U CN 202118197 U CN202118197 U CN 202118197U
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- Prior art keywords
- bearing
- planet carrier
- flange
- planetary gear
- friction plate
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a novel transmission device of a planetary gear, which belongs to the field of engineering machinery and comprises an input shaft, a left flange, a piston, an outer friction plate, an inner friction plate, a planetary gear, a planet carrier, a right flange, an output shaft and a disk spring. The output shaft serves as a gear shaft which is supported on the left flange through an input shaft left bearing and an input shaft right bearing, and the left flange is matched with the inner friction plate through a spline. The planet carrier is supported on the left flange and the output shaft respectively through a planet carrier left bearing and a planet carrier right bearing, the planet carrier is matched with the outer friction plate through a spline, and the planet gear is supported on the planet carrier through two self-aligning ball bearings. The output shaft is supported on the right flange through two deep groove ball bearings, and the inner friction plate is separated by the disk spring. The novel transmission device of the planetary gear not only can achieve soft starting and speed regulation, but also has the advantages of small size, compact structure, high bearing capacity, high transmission efficiency, stability in operation and the like, and is further low in manufacturing cost and convenient in maintenance.
Description
Technical field
The utility model relates to a kind of planetary type gear transmission unit, specifically is a kind of novel planetary gear drive, belongs to engineering machinery field.
Background technique
Soft start and speed governing are the particularly energy-saving and cost-reducing key technologies of heavy mechanical equipment realization of machinery.Soft start can make machinery realize that by given velocity curve output speed from the zero controllable initiating process to rating value, reduces the dynamic stress that component are born in start-up course, prolongs the working life of equipment.Speed governing can realize equipment such as blower fan, water pump according to the size of required flow adjustment rotating speed, avoids at required flow hour also with the running of nominal operation speed, thereby reduces energy consumption.
The device of realizing soft start and speed governing at present mainly contains frequency variator and the sticking transmission device of liquid.The frequency converter timing effect is better, but its pollution to electrical network is comparatively serious, and maintenance cost is higher in addition, has improved user cost.The sticking transmission device of liquid has overcome the major defect of frequency variator, is with a wide range of applications.But the sticking transmission device of present liquid generally is self-contained unit; Be that the output shaft of the sticking transmission device of liquid and the input shaft of common speed reducer link; The overall structure size is bigger, and it is also bigger therefore to take up room, and is unfavorable for very much the inferior workplace that usage space is had higher requirements of coal mine.
Advantages such as volume is little, quality is little, compact structure, bearing capacity is big, transmission efficiency is high, running is steady have obtained extensive use because of having in the planetary pinion transmission; But its speed-regulating function is very limited; Though some planetary type gear transmission unit also can be realized the switching of two kinds of output speeds; But its structure is too complicated, and manufacture, installation, maintenance are all inconvenient.
Summary of the invention
Problem to above-mentioned existing technology existence; The utility model provides a kind of novel planetary gear drive; Can realize soft start and speed governing, possess advantages such as volume is little, compact structure, bearing capacity is big, transmission efficiency is high, running is steady again, cost is low, easy to maintenance simultaneously.
To achieve these goals; The technological scheme that the utility model adopts is: a kind of novel planetary gear drive; Comprise input shaft, left flange, piston, outside friction disc, interior friction plate, planet wheel, planet carrier, right flange, output shaft and belleville spring, it is characterized in that input shaft is a gear shaft, is bearing on the left flange through input shaft left bearing and input shaft right bearing; Left side flange and interior friction plate secure fit; Planet carrier is bearing in respectively on left flange and the output shaft through planet carrier left bearing and planet carrier right bearing, planet carrier and outside friction disc secure fit, and planet wheel is bearing on the planet carrier through two selfaligning ball bearings; Output shaft is bearing on the right flange through two deep groove ball bearings, and interior friction plate is separated through belleville spring.
Further, input shaft left bearing and input shaft right bearing are selfaligning roller bearing.
Further, process a circular groove on the left flange, as cylinder block.
Further, the cylindrical low order end of left flange portion processes and is used for mounting support planet carrier left bearing step.
Further, left flange and right flange match with the hole of the casing left and right sides through seam, and fit system is a transition fit.
Further, interior friction plate is processed with three circular holes near the endoporus place, and these three circular holes are uniformly distributed along the circumference; Three circular holes of friction plate align respectively in all; Three guide rods pass three circular holes respectively, and rely on the helical thread portion of left end to be fixed in the corresponding tapped hole of left flange, in the middle of per two interior friction plates three groups of belleville springs are installed; Belleville spring is through on the guide rod, 14 every group.
Further, planet carrier left bearing and planet carrier right bearing are selfaligning roller bearing.
Further, the belleville spring combined is used involutory mode.
Further, the internal gear of output shaft and planetary type gear transmission unit is formed in one.
The beneficial effect of the utility model is: outside friction disc connects for endwisely slipping with planet carrier, and interior friction plate connects for endwisely slipping with spline on the left flange, and interior friction plate can only slide and can not rotate; Outside friction disc not only slidably but also rotatable, fed working oil through the working oil inlet during work, was full of working oil between outside friction disc in promptly; The viscosity of working oil can stop the rotation of planet carrier; Regulate the gap between interior outside friction disc through in-oil cylinder pressure oil, just can change the resistance size that outside friction disc bears, and the rotating speed of planet carrier can change with its suffered resistance size; So just realized the rotation speed change of output shaft; Control oil cylinder working-pressure oil size according to certain rules, the output shaft rotating speed that just can obtain to change according to certain rules can be realized soft start and speed governing easily.Its compact structure, easy to adjust, reliable performance, cost are low, have practicability widely.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the partial enlarged drawing of I among Fig. 1.
Among the figure: 1, input shaft, 2, the input shaft left bearing, 3, left flange, 4, piston, 5, outside friction disc; 6, interior friction plate, 7, the input shaft right bearing, 8, the planet carrier left bearing, 9, planet wheel, 10, selfaligning ball bearing; 11, planet carrier, 12, right flange, 13, deep groove ball bearing, 14, the planet carrier right bearing, 15, output shaft; 16, casing, 17, belleville spring, A, pressure oil inlet, B, working oil inlet.
Embodiment
To combine accompanying drawing that the utility model is described further below.
As depicted in figs. 1 and 2, a kind of novel planetary gear drive comprises input shaft 1, left flange 3, piston 4, outside friction disc 5, interior friction plate 6, planet wheel 9, planet carrier 11, right flange 12, output shaft 15 and belleville spring 17.Left side flange 3 and right flange 12 are installed in the circular hole place of casing 16 left and right sides respectively, and input shaft 1 is bearing in the endoporus place of left flange 3 through input shaft left bearing 2 and input shaft right bearing 7, and input shaft 1 is a gear shaft, and the gear of right-hand member is as the sun gear of planetary gear train.The gear ring of output shaft 15 and planetary gear train is an integral body, and output shaft 15 is bearing in the endoporus place of right flange through two deep groove ball bearings 13.Planet carrier 11 is bearing in left flange 3 and the endoporus place of output shaft 15 near the middle part respectively through planet carrier left bearing 8 and planet carrier right bearing 14.Planet wheel 9 is bearing on the planet carrier 11 through two selfaligning ball bearings 10.Interior friction plate 6 matches through the outstanding circumferential body of spline and left flange 3 right-hand members, and interior friction plate 6 can move vertically, but can not rotate.Outside friction disc 5 matches with planet carrier 11 left end endoporus through spline, and outside friction disc 5 both can slide vertically, and is rotatable again.Interior friction plate 6 is processed with three circular holes that are uniformly distributed along the circumference near the endoporus place; Three circular holes of friction plate align respectively in all; Screwed three guide rods of left end pass three circular holes respectively, and are fixed on the tapped hole corresponding on the left flange 3, and three groups of belleville springs 17 are installed between per two interior friction plates; Every group is through on the guide rod, and every group of belleville spring is 14.
Working procedure: working oil is advanced between interior friction plate 6 and the outside friction disc 5 from the radial hole of working oil inlet B and left flange 3 right-hand member external spliness; Thereby the viscosity of working oil can stop outside friction disc 5 to stop planet carrier 11 to rotate; Through the gap between outside friction disc in piston 4 adjustment, can change resistance size to planet carrier.Because output shaft 15 external loads; Output shaft 15 can not rotate when starting working; And planet carrier 11 rotates; Change the pressure that gets into the pressure oil of oil cylinder through pressure oil inlet A according to certain rules, can realize that planet carrier 11 rotating speeds reduce according to certain rules, the rotating speed of output shaft 15 increases according to certain rules simultaneously.Keeping the pressure of oil cylinder working-pressure oil is a fixed value, can realize that output shaft 15 remains on certain rotating speed.The soft start and the speed governing of machinery have so just been realized.
Claims (9)
1. novel planetary gear drive; It is characterized in that comprising input shaft (1), left flange (3), piston (4), outside friction disc (5), interior friction plate (6), planet wheel (9), planet carrier (11), right flange (12), output shaft (15) and belleville spring (17); Input shaft (1) is a gear shaft; Be bearing on the left flange (3) through input shaft left bearing (2) and input shaft right bearing (7); Left side flange (3) passes through spline fitted with interior friction plate (6); Planet carrier (11) is bearing in respectively on left flange (3) and the output shaft (15) through planet carrier left bearing (8) and planet carrier right bearing (14), and planet carrier (11) passes through spline fitted with outside friction disc (5), and planet wheel (9) is bearing on the planet carrier (11) through two selfaligning ball bearings (10); Output shaft (15) is bearing on the right flange (12) through two deep groove ball bearings (13), and interior friction plate (6) is separated through belleville spring (17).
2. a kind of novel planetary gear drive according to claim 1 is characterized in that described input shaft left bearing (2) and input shaft right bearing (7) are selfaligning roller bearing.
3. a kind of novel planetary gear drive according to claim 1 is characterized in that processing a circular groove on the described left flange (3), as cylinder block.
4. a kind of novel planetary gear drive according to claim 1 is characterized in that the cylindrical low order end of described left flange (3) portion processes and is used for mounting support planet carrier left bearing (8) step.
5. a kind of novel planetary gear drive according to claim 1 is characterized in that described left flange (3) and right flange (12) match with the hole of casing (16) left and right sides through seam, and fit system is a transition fit.
6. a kind of novel planetary gear drive according to claim 1; It is characterized in that described interior friction plate (6) is processed with three circular holes near the endoporus place; These three circular holes are uniformly distributed along the circumference, and three circular holes of friction plate align respectively in all, and three guide rods pass three circular holes respectively; And the helical thread portion that relies on left end is fixed in the corresponding tapped hole of left flange (3); In the middle of per two interior friction plates three groups of belleville springs (17) are installed, belleville spring (17) is through on the guide rod, 14 every group.
7. a kind of novel planetary gear drive according to claim 1 is characterized in that described planet carrier left bearing (8) and planet carrier right bearing (14) are selfaligning roller bearing.
8. a kind of novel planetary gear drive according to claim 1 is characterized in that described belleville spring (17) combined uses involutory mode.
9. a kind of novel planetary gear drive according to claim 1 is characterized in that the internal gear of described output shaft (15) and planetary type gear transmission unit is formed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120189483 CN202118197U (en) | 2011-06-08 | 2011-06-08 | Novel transmission device of planetary gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120189483 CN202118197U (en) | 2011-06-08 | 2011-06-08 | Novel transmission device of planetary gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202118197U true CN202118197U (en) | 2012-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120189483 Expired - Lifetime CN202118197U (en) | 2011-06-08 | 2011-06-08 | Novel transmission device of planetary gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202118197U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287510A (en) * | 2011-06-08 | 2011-12-21 | 徐州五洋科技有限公司 | Novel planetary gear transmission device |
| CN107218320A (en) * | 2017-08-01 | 2017-09-29 | 北京理工大学 | Electric current becomes retarder brake |
-
2011
- 2011-06-08 CN CN 201120189483 patent/CN202118197U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287510A (en) * | 2011-06-08 | 2011-12-21 | 徐州五洋科技有限公司 | Novel planetary gear transmission device |
| CN102287510B (en) * | 2011-06-08 | 2015-06-03 | 徐州五洋科技股份有限公司 | Novel planetary gear transmission device |
| CN107218320A (en) * | 2017-08-01 | 2017-09-29 | 北京理工大学 | Electric current becomes retarder brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 221000 No. 9006-1 Kunlun Avenue, Copper Mt. New District, Jiangsu, Xuzhou Patentee after: Xuzhou Wuyang Technology Co.,Ltd. Address before: 221000 No. 9006-1 Kunlun Avenue, Copper Mt. New District, Jiangsu, Xuzhou Patentee before: Xuzhou Wuyang Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |
|
| CX01 | Expiry of patent term |