CN201751629U - Planetary reduction gear with herringbone teeth - Google Patents

Planetary reduction gear with herringbone teeth Download PDF

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Publication number
CN201751629U
CN201751629U CN2010201196651U CN201020119665U CN201751629U CN 201751629 U CN201751629 U CN 201751629U CN 2010201196651 U CN2010201196651 U CN 2010201196651U CN 201020119665 U CN201020119665 U CN 201020119665U CN 201751629 U CN201751629 U CN 201751629U
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CN
China
Prior art keywords
gear
speed reducer
tooth
splicing
double helical
Prior art date
Application number
CN2010201196651U
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Chinese (zh)
Inventor
韩尚伦
Original Assignee
湖北博创机械制造有限责任公司
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Priority to CN2010201196651U priority Critical patent/CN201751629U/en
Application granted granted Critical
Publication of CN201751629U publication Critical patent/CN201751629U/en

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Abstract

The utility model discloses a planetary reduction gear with herringbone teeth, which comprises a shell, an input shaft, an output shaft and a planetary gear pair consisting of a sun wheel, a planetary wheel and an inner tooth ring. The planetary reduction gear with the herringbone teeth is characterized in that the teeth in the sun wheel, the planetary wheel and the inner tooth ring of the planetary gear pair are herringbone teeth, and the inner tooth ring is formed by assembling at least one tooth ring section divided into at least two sections along the circumferential direction. By adopting a multi-section segmented inner tooth ring structure, all problems of the straight teeth, the skew teeth and the herringbone teeth adopted by a high-power speed reducer for vertical bearing torque transmission for a mine lifting winch in production are solved, and the planetary reduction gear with the herringbone teeth is especially suitable for be used for the mine lifting winch and also for all large and small engineering machines.

Description

Double helical tooth planetary speed reducer
Technical field
The utility model relates to mining machinery, refers to a kind of double helical tooth planetary speed reducer particularly.
Technical background
The mine lift winch is at present in the field of mining large-scale application.The high-power gear reducer that the vertical carrying torsion pass that existing mine lift winch uses is used generally all adopts the straight-tooth reduction gearing mechanism, because straight-tooth transmission contact ratio is low, so output torque is little, transmission stability is relatively poor, and volume is bigger, and noise is also bigger; And adopt the helical teeth reduction gearing mechanism, and then can produce very big axial force, the axially locating of speed reducer is difficulty very; The problem that adopts herringbone tooth to exist sun gear, planet wheel and ring gear difficulty to be installed and to be difficult to realize again.Therefore, how when eliminating the axial force that the helical teeth transmission produces, can also improve the ability of the transmission stability and the output torque of vertical type speed reducer (change gear), and can reduce volume, reduce noise and become the problem that people pay close attention to.
Summary of the invention
The purpose of this utility model is in order to solve the deficiency that the above-mentioned background technology exists, provide a kind of when can eliminate the axial force that the helical teeth transmission produces, can improve the double helical tooth planetary speed reducer of the ability of transmission stability and output torque again, make its easy assembling, can reduce the winch volume, reduce noise.
For realizing this purpose, the utility model adopts following technological scheme: double helical tooth planetary speed reducer, comprise casing, input shaft, output shaft and by sun gear, the planetary pinion pair that planet wheel and ring gear constitute, sun gear in the described planetary pinion pair, tooth in planet wheel and the ring gear is a herringbone tooth, described ring gear is assembled by the gear ring joint that along the circumferential direction is divided at least two joints, the herringbone tooth drive mechanism transmission contact ratio height that is adopted, the ability of transmission stability and output torque is higher, volume is little, noise is low, and eliminated the axial force that the helical teeth transmission produces, the axially locating of speed reducer is easy; Aspect in addition, this multi-fold type ring gear is installed by merogenesis, has solved the problem that sun gear, planet wheel and ring gear are installed difficulty.
In such scheme, described ring gear vertically can be assembled by two sections gear ring sections, and its splicing surface is arranged in herringbone tooth both direction helical teeth crossover sites.Such structure helps the processing of herringbone tooth.
In such scheme, can use axial bolts fastening respectively with the tongue and groove location that cooperatively interacts on the surface of contact of described two sections gear ring sections of splicing vertically.Such structure helps the installation and the location of ring gear.
In such scheme, the two adjacent teeth circle section that connects at the circumferencial direction that constitutes ring gear preferably is arranged in this section gear ring section tooth root portion at the splicing surface of circumferencial direction, and splicing surface is preferably identical with the gradient of tooth with the meld line direction of tooth root, avoids destroying the intensity of tooth.
In such scheme, on the splicing surface of the adjacent two gear ring sections that circumferencial direction splices, can be respectively equipped with coaxial attachment hole, be provided with the link that adjacent two gear ring sections can be connected and fixed in the attachment hole.
In such scheme, described attachment hole axis is preferably vertical with splicing surface.
In such scheme, described link is screw and abutment sleeve, on the adjacent two gear ring sections of circumferencial direction splicing in corresponding two attachment holes, one is through hole with the level, one is threaded step blind hole, step through-hole is identical with step blind hole internal diameter, setting sleeve places in the through hole of above-mentioned step and the step blind hole simultaneously and is mated, screw passes the setting sleeve front portion and cooperates with the blind threaded part of step, screw head is by the step end face location of step through-hole, the design of described through hole with the level helps the installation of ring gear on the one hand, and the aspect helps the location of gear ring joint when the processing ring gear in addition.
In such scheme, in casing, can be provided with two-stage planet pair at least, the sun gear of described previous stage planetary pinion pair is connected with input shaft, planet wheel is connected with sun gear in the primary planet pinion pair of back by coupled planet carrier, and the planet wheel of back one-level passes through coupled planet carrier and links to each other with output shaft.
In such scheme, the planet wheel of described previous stage planetary pinion pair vertically can by two sections assembled because the installing space of previous stage is less, so the installation of previous stage planet wheel is convenient in such design.
In such scheme, described planet wheel is at least more than two, also can have only a planet wheel.
The utility model is particularly suitable for the mine lift winch and uses, but is not limited only to miningly, but also is applicable to all size type engineering machinery.
The utility model advantage is as follows:
1, adopt herringbone tooth transmission contact ratio height, the ability of transmission stability and output torque is higher;
2, adopt herringbone tooth to eliminate the axial force that the helical teeth transmission produces, the axially locating of speed reducer is easy;
3, the more piece two-part structure of ring gear employing has solved sun gear, planet wheel and ring gear difficult problem has been installed;
4, volume is little, and noise is low.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the structural representation of planetary pinion pair;
Fig. 2 is the structural representation of sun gear;
Fig. 3 is the structural representation of planet wheel;
Fig. 4 is the explosive view of ring gear;
Fig. 5 is the plan view of ring gear;
Fig. 6 is that the A-A of ring gear is to sectional drawing;
Fig. 7 is the side-looking partial sectional view of ring gear;
Fig. 8 is the broken section enlarged view of Fig. 7;
Fig. 9 is a transmission sketch of the present utility model.
Wherein, 1-sun gear, 2-planet wheel, 3-ring gear, 4-gear ring section, 5-screw, 6-setting sleeve, 7-bolt, 8-input shaft, 9-output shaft.
Embodiment
The utility model comprises casing, input shaft 8, output shaft 9 and the planetary pinion pair that is made of sun gear 1, planet wheel 2 and ring gear 3, in casing, be provided with the two-stage planet pair, the sun gear 1 of previous stage planetary pinion pair is connected with input shaft 8, planet wheel 2 is connected with sun gear 1 in the primary planet pinion pair of back by coupled planet carrier, the planet wheel 2 of back one-level links to each other with output shaft 9 by coupled planet carrier, and the planet wheel 2 of described previous stage planetary pinion pair is assembled by two sections vertically.Certainly, in the specific implementation, can select the progression of planetary pinion pair according to actual conditions, can only select the primary planet pinion pair for use, also can select the above planetary pinion pair of one-level for use, and the number of planet wheel can be selected one for use in above-mentioned planet gear pair, also can select for use more than one, and present embodiment is three planet wheels.
Tooth in sun gear 1 in the above-mentioned planet gear pair, planet wheel 2 and the ring gear 3 is a herringbone tooth, and described ring gear 3 is assembled by the gear ring joint that along the circumferential direction is divided into two joints, also can be assembled by the gear ring joint that along the circumferential direction is divided at least two joints.Described ring gear joint is assembled by two sections gear ring sections 4 vertically, its splicing surface is arranged in herringbone tooth both direction helical teeth crossover sites, locate with the tongue and groove that cooperatively interacts respectively on the surface of contact of two sections gear ring sections 4, fastening with axial bolts, the two adjacent teeth circle section 4 that connects at the circumferencial direction that constitutes ring gear is arranged in this section gear ring section 4 tooth root portions at the splicing surface of circumferencial direction, the meld line direction of splicing surface and tooth root is identical with the gradient of tooth, the scope of this gradient is 15~45 degree, and best angle is 25 degree.
Be respectively equipped with coaxial attachment hole on the splicing surface of above-mentioned adjacent two gear ring sections 4 in circumferencial direction splicing, be provided with the link that adjacent two gear ring sections 4 can be connected and fixed in the attachment hole, described attachment hole axis is vertical with splicing surface, described link is screw and abutment sleeve, on the adjacent two gear ring sections 4 of the splicing of circumferencial direction in corresponding two attachment holes, one is through hole with the level, one is threaded step blind hole, step through-hole is identical with step blind hole internal diameter, setting sleeve places in the through hole of above-mentioned step and the step blind hole simultaneously and is mated, screw passes the setting sleeve front portion and cooperates with the blind threaded part of step, and screw head is by the step end face location of step through-hole.

Claims (10)

1. double helical tooth planetary speed reducer, comprise casing, input shaft, output shaft and the planetary pinion pair that constitutes by sun gear, planet wheel and ring gear, it is characterized in that, tooth in sun gear, planet wheel and the ring gear in the described planetary pinion pair is a herringbone tooth, and described ring gear is assembled by the gear ring joint that along the circumferential direction is divided at least two joints.
2. double helical tooth planetary speed reducer according to claim 1 is characterized in that, described ring gear joint is assembled by two sections gear ring sections vertically, and its splicing surface is arranged in herringbone tooth both direction helical teeth crossover sites.
3. double helical tooth planetary speed reducer according to claim 2 is characterized in that, and is respectively with the tongue and groove location that cooperatively interacts, fastening with axial bolts on the surface of contact of described two sections gear ring sections of splicing vertically.
4. double helical tooth planetary speed reducer according to claim 2, it is characterized in that, the two adjacent teeth circle section that connects at the circumferencial direction that constitutes ring gear is arranged in this section gear ring section tooth root portion at the splicing surface of circumferencial direction, and the meld line direction of splicing surface and tooth root is identical with the gradient of tooth.
5. double helical tooth planetary speed reducer according to claim 4 is characterized in that, is respectively equipped with coaxial attachment hole on the splicing surface of the adjacent two gear ring sections that circumferencial direction splices, and is provided with the link that adjacent two gear ring sections can be connected and fixed in the attachment hole.
6. double helical tooth planetary speed reducer according to claim 5 is characterized in that, described attachment hole axis is vertical with splicing surface.
7. double helical tooth planetary speed reducer according to claim 5, it is characterized in that, described link is screw and abutment sleeve, on the adjacent two gear ring sections of circumferencial direction splicing in corresponding two attachment holes, one is through hole with the level, one is threaded step blind hole, step through-hole is identical with step blind hole internal diameter, setting sleeve places in the through hole of above-mentioned step and the step blind hole simultaneously and is mated, screw passes the setting sleeve front portion and cooperates with the blind threaded part of step, and screw head is by the step end face location of step through-hole.
8. according to the described double helical tooth planetary speed reducer of arbitrary claim in the claim 1 to 7, it is characterized in that, in casing, be provided with two-stage planet pair at least, the sun gear of described previous stage planetary pinion pair is connected with input shaft, planet wheel is connected with sun gear in the primary planet pinion pair of back by coupled planet carrier, and the planet wheel of back one-level passes through coupled planet carrier and links to each other with output shaft.
9. double helical tooth planetary speed reducer according to claim 8 is characterized in that, the planet wheel of described previous stage planetary pinion pair is assembled by two sections vertically.
10. according to the described double helical tooth planetary speed reducer of arbitrary claim in the claim 1 to 7, it is characterized in that described planet wheel is at least more than two.
CN2010201196651U 2010-01-28 2010-01-28 Planetary reduction gear with herringbone teeth CN201751629U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201196651U CN201751629U (en) 2010-01-28 2010-01-28 Planetary reduction gear with herringbone teeth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201196651U CN201751629U (en) 2010-01-28 2010-01-28 Planetary reduction gear with herringbone teeth

Publications (1)

Publication Number Publication Date
CN201751629U true CN201751629U (en) 2011-02-23

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CN2010201196651U CN201751629U (en) 2010-01-28 2010-01-28 Planetary reduction gear with herringbone teeth

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104565225A (en) * 2013-10-09 2015-04-29 舍弗勒技术有限两合公司 Two-stage planetary gear mechanism for reducing high speeds
CN105805239A (en) * 2016-05-15 2016-07-27 王福成 Planetary roller bearing
CN103148200B (en) * 2013-03-19 2016-12-28 湘潭大学 A kind of epicyclic gearbox shock resistance flexible connecting structure
CN106499804A (en) * 2015-09-03 2017-03-15 丰田自动车株式会社 Planetary gearsets
WO2020201958A1 (en) * 2019-04-01 2020-10-08 Genesis Advanced Technology Inc. Gearbox

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103148200B (en) * 2013-03-19 2016-12-28 湘潭大学 A kind of epicyclic gearbox shock resistance flexible connecting structure
CN104565225A (en) * 2013-10-09 2015-04-29 舍弗勒技术有限两合公司 Two-stage planetary gear mechanism for reducing high speeds
CN104565225B (en) * 2013-10-09 2019-07-12 舍弗勒技术股份两合公司 Planetary gear transmission mechanism for the twin-stage to slow down to high revolving speed
CN106499804A (en) * 2015-09-03 2017-03-15 丰田自动车株式会社 Planetary gearsets
CN105805239A (en) * 2016-05-15 2016-07-27 王福成 Planetary roller bearing
CN105805239B (en) * 2016-05-15 2018-03-06 王福成 Planetary roller bearing
WO2020201958A1 (en) * 2019-04-01 2020-10-08 Genesis Advanced Technology Inc. Gearbox

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110223

Termination date: 20150128

EXPY Termination of patent right or utility model