CN101545522A - Double helical tooth planetary driving device of nuclear power water circulating cooling pump - Google Patents
Double helical tooth planetary driving device of nuclear power water circulating cooling pump Download PDFInfo
- Publication number
- CN101545522A CN101545522A CN200910029432A CN200910029432A CN101545522A CN 101545522 A CN101545522 A CN 101545522A CN 200910029432 A CN200910029432 A CN 200910029432A CN 200910029432 A CN200910029432 A CN 200910029432A CN 101545522 A CN101545522 A CN 101545522A
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- China
- Prior art keywords
- helical teeth
- internal
- nuclear power
- driving device
- water circulating
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Classifications
-
- 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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H2001/289—Toothed gearings for conveying rotary motion with gears having orbital motion comprising two or more coaxial and identical sets of orbital gears, e.g. for distributing torque between the coaxial sets
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a double helical tooth planetary driving device of a nuclear power water circulating cooling pump. A sun wheel, a planetary wheel and an internal wheel in the planetary driving device are all provided with two helical teeth with opposite rotation directions and same tooth parameters, wherein the two helical teeth on the sun wheel are respectively meshed with the two helical teeth on the planetary wheel, the two helical teeth on the planetary wheel are meshed with the two helical teeth on the internal wheel, the axial forces between every two meshed helical teeth are counteracted mutually, a unique double helical tooth planetary driving structure is adopted with large bearing capacity and more smooth and reliable running; the internal wheel and an internal and external shaft coupling as well as the internal and external shaft coupling and a box body are both in floating coupling without being positioned by bearings; and the driving device has strong automatic uniform load performance, small occupied space of the whole device, high driving efficiency, good reliability and long service life and satisfies the requirements of high reliability and long service life of driving equipment in the fields of nuclear power, water power and wind power generation.
Description
Technical field
The present invention relates to a kind of transmission device, it specifically is a kind of double helical tooth planetary driving device that rotation direction is opposite, tooth portion parameter is identical that has, be mainly used on nuclear power water circulating cooling pump, waterpower and the wind power generation speed increasing box, also applicable to fields such as aviation, ship, metallurgy.
Background technique
Existing water circulating cooling pump transmission device adopts the transmission of straight-tooth planetary pinion usually.Along with the gear drive power of nuclear power circulation coolant pump, waterpower, field of wind power generation is increasing, also more and more higher to the requirement of aspects such as its volume, weight, structure, reliability, bearing capacity.
In order to improve the bearing capacity of transmission device, the general helical teeth planetary pinion that adopts replaces the straight-tooth planetary pinion, as the patent No. is 200620111746.0 disclosed a kind of compact type three shunting involute high gear transmission devices, its Gear Planet Transmission partly is the monocline toothing, the axial force that the engagement helical teeth produces needs to bear by thrust button, structure is loaded down with trivial details, and it is big to take up room, the processing technology complexity; Internal gear connects firmly on casing, and internal gear does not have unsteady effect, and effect of load balancing mechanism is poor, cause the bearing capacity of transmission device to reduce, reduce working life, and reliability is low, is difficult to satisfy nuclear power, waterpower and wind power generation field transmission device high reliability, the requirement in high working life.
Summary of the invention
The objective of the invention is to overcome prior art adopts monocline tooth planetary pinion Transmission bearing little, it is poor that internal gear connects firmly the casing effect of load balancing mechanism, and shortcoming such as volume is big, it is inconvenient to install, working life is short, provide a kind of compact structure, nuclear power water circulating cooling pump transmission device little, in light weight, that vibration is little, bearing capacity is big, reliability is high takes up room.
The technical solution used in the present invention is: a kind of double helical tooth planetary driving device of nuclear power water circulating cooling pump, mainly comprise driving mechanism, lubricant passage way system, supporting mechanism, described driving mechanism comprises motor, sun gear, planet wheel, internal gear, motor connects with sun gear through shaft coupling, many planet wheels are installed on the planet carrier through each planet wheel shaft, technical characterstic is described sun gear, planet wheel, it is opposite to be equipped with two rotation directions on the internal gear, the helical teeth that tooth portion parameter is identical, two helical teeth of sun gear respectively with many planet wheels on two helical teeth be engagement, two helical teeth on many planet wheels respectively with internal gear on two helical teeth be engagement.
Described internal gear floats with an end of internal and external antithetical couplet joint and is connected, and the other end of internal and external antithetical couplet joint floats with casing and is connected.
Described supporting mechanism comprises flange cover, radial sliding bearing, plain thrust bearing, bearing support, the planet carrier bottom supporting puts in flange, the side of flange cover is installed on the bearing support through radial sliding bearing, the bottom surface of flange cover is installed on the casing through plain thrust bearing, flange cover connects with the pump shaft of nuclear power water circulating cooling pump, also can with the propeller shaft couplings of working machine with similar structure.
After adopting above technological scheme, the beneficial effect that the present invention reaches is:
1, is equipped with the helical teeth that two rotation directions are opposite, tooth portion parameter is identical on sun gear, planet wheel, the internal gear, two helical teeth on the sun gear and two helical teeth on the planet wheel mesh respectively, two helical teeth on the planet wheel and two helical teeth of internal gear are mediated respectively, the axial force of two groups of helical teeth generations of meshing is separately cancelled out each other up and down, adopt unique diclinic tooth Gear Planet Transmission structure, bearing capacity is big, and operation is steadily reliable;
2, sun gear adopts floating structure, and internal gear all adopts to float with casing with internal and external antithetical couplet joint, internal and external antithetical couplet joint and connects, and need not the bearing location, and the automatic load sharing performance of transmission device is strong, and complete machine takes up room little, transmission efficiency height, good reliability, long service life.
The present invention adopts the diclinic tooth Gear Planet Transmission structure that rotation direction is opposite, tooth portion parameter is identical, the internal gear that cooperates floating structure, improved the automatic load sharing of transmission device, bearing capacity is strong, it is little to take up room, complete machine transmission efficiency height, long service life can satisfy nuclear power, waterpower, the high performance user demand of field of wind power generation transmission device.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: motor 1, shaft coupling 2, sun gear 3, helical teeth 31,32, planet wheel 4, helical teeth 41,42, planet wheel shaft 5, internal gear 6, helical teeth 61,62, planet carrier 7, flange cover 8, radial sliding bearing 9, plain thrust bearing 10, bearing support 11, casing 12, pump shaft 13, internal and external antithetical couplet joint 14.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Double helical tooth planetary driving device of nuclear power water circulating cooling pump shown in Figure 1, mainly comprise motor 1, sun gear 3, many planet wheels 4, internal gear 6, planet carrier 7, motor 1 connects with sun gear 3 through shaft coupling 2, many planet wheels 4 are installed on the planet carrier 7 through each planet wheel shaft 5, sun gear 3 is provided with two helical teeth 31 that rotation direction is opposite up and down, 32, planet wheel 4 is provided with two helical teeth 41 that rotation direction is opposite up and down, 42, internal gear 6 is provided with two helical teeth 61 that rotation direction is opposite up and down, 62, helical teeth 31,32,41,42,61,62 tooth portion parameters are identical, two helical teeth 31 on the sun gear 3,32 respectively with many planet wheels 4 on two helical teeth 41,42 are engagement, two helical teeth 41 on many planet wheels 4,42 with internal gear 6 on two helical teeth 61,62 are engagement, internal gear 6 floats and connects internal and external antithetical couplet joint 14 1 ends, and internal and external antithetical couplet joint 14 the other ends float and connect casing 12; Planet carrier 7 bottom adpting flange covers 8, the side of flange cover 8 is provided with radial sliding bearing 9, radial sliding bearing 9 is installed on the bearing support 11, the bottom surface of flange cover 8 is provided with plain thrust bearing 10, plain thrust bearing 10 is installed on the casing 12, and flange cover 8 connects with the pump shaft 13 of nuclear power water circulating cooling pump.
During the work of this transmission device, motor 1 drives sun gear 3 rotations, the diclinic tooth 31,32 of sun gear 3 and the diclinic tooth 41,42 of many planet wheels 4 mesh respectively and drive planet wheel 4 rotations, the diclinic tooth 41,42 of many planet wheels 4 and the diclinic tooth 61,62 of internal gear 6 mesh respectively and make planet wheel 4 around sun gear 3 revolution, planet wheel 4 revolution drive planet carrier 7 rotations through planet wheel shaft 5, and planet carrier 7 rotations drive pump shaft 13 rotary works that flange cover 8 drives the nuclear power water circulating cooling pump that is connected in flange cover 8.The axial force of 6 diclinic teeth engagements of sun gear 3, planet wheel 4, internal gear is cancelled out each other, need not rigid bearing, and machine volume is little, and 12 of internal gear 6 and casings float through internal and external antithetical couplet joint 14 and are connected, and unsteady effective, effect of load balancing mechanism is good.
Claims (4)
1, a kind of double helical tooth planetary driving device of nuclear power water circulating cooling pump, mainly comprise driving mechanism, supporting mechanism, described driving mechanism comprises motor (1), sun gear (3), many planet wheels (4), internal gear (6), motor (1) connects with sun gear (3) through shaft coupling (2), many planet wheels (4) are installed on the planet carrier (7) through each planet wheel shaft (5), it is characterized in that: described sun gear (3) is provided with two helical teeth (31 that rotation direction is opposite, 32), planet wheel (4) is provided with two helical teeth (41,42) that rotation direction is opposite, internal gear (6) is provided with two helical teeth (61,62) that rotation direction is opposite, described helical teeth (31,32,41,42,61,62) tooth portion parameter is identical, two helical teeth (31,32) on the sun gear (3) respectively with many planet wheels (4) on two helical teeth (41,42) be engagement, two helical teeth (41,42) on many planet wheels (4) respectively with internal gear (6) on two helical teeth (61,62) be engagement.
2, double helical tooth planetary driving device of nuclear power water circulating cooling pump according to claim 1 is characterized in that: described internal gear (6) floats with an end of internal and external antithetical couplet joint (14) and is connected, and the other end of internal and external antithetical couplet joint (14) floats with casing (12) and is connected.
3, double helical tooth planetary driving device of nuclear power water circulating cooling pump according to claim 1, it is characterized in that: described supporting mechanism comprises flange cover (8), radial sliding bearing (9), plain thrust bearing (10), bearing support (11), planet carrier (7) bottom is fixed on the flange cover (8), and the side and the bottom surface of flange cover are installed on bearing support (11) and the casing (12) through radial sliding bearing (9) and plain thrust bearing (10) respectively.
4, double helical tooth planetary driving device of nuclear power water circulating cooling pump according to claim 2 is characterized in that: described flange cover (8) connects with the pump shaft (13) of nuclear power water circulating cooling pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910029432A CN101545522A (en) | 2009-04-13 | 2009-04-13 | Double helical tooth planetary driving device of nuclear power water circulating cooling pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910029432A CN101545522A (en) | 2009-04-13 | 2009-04-13 | Double helical tooth planetary driving device of nuclear power water circulating cooling pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101545522A true CN101545522A (en) | 2009-09-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910029432A Pending CN101545522A (en) | 2009-04-13 | 2009-04-13 | Double helical tooth planetary driving device of nuclear power water circulating cooling pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101545522A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936366A (en) * | 2010-09-07 | 2011-01-05 | 重庆齿轮箱有限责任公司 | Combination double-oblique tooth planetary transmission mechanism |
| BE1018974A3 (en) * | 2009-10-19 | 2011-12-06 | Hansen Transmissions Int | PLANETARY GEAR SYSTEM AND PLANET BEARER, RING WHEEL AND SUN WHEEL FOR USE IN SUCH PLANETARY GEAR SYSTEM. |
| WO2018049711A1 (en) * | 2016-09-14 | 2018-03-22 | 大连理工大学 | Combination herringbone planetary transmission device having adjustable backlash |
-
2009
- 2009-04-13 CN CN200910029432A patent/CN101545522A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1018974A3 (en) * | 2009-10-19 | 2011-12-06 | Hansen Transmissions Int | PLANETARY GEAR SYSTEM AND PLANET BEARER, RING WHEEL AND SUN WHEEL FOR USE IN SUCH PLANETARY GEAR SYSTEM. |
| CN101936366A (en) * | 2010-09-07 | 2011-01-05 | 重庆齿轮箱有限责任公司 | Combination double-oblique tooth planetary transmission mechanism |
| WO2018049711A1 (en) * | 2016-09-14 | 2018-03-22 | 大连理工大学 | Combination herringbone planetary transmission device having adjustable backlash |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090930 |