CN206924842U - A kind of ultra-large type grinding machine double-point gear drive system - Google Patents

A kind of ultra-large type grinding machine double-point gear drive system Download PDF

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Publication number
CN206924842U
CN206924842U CN201720528055.9U CN201720528055U CN206924842U CN 206924842 U CN206924842 U CN 206924842U CN 201720528055 U CN201720528055 U CN 201720528055U CN 206924842 U CN206924842 U CN 206924842U
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China
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gear
drive
wheel
planetary
grinding machine
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CN201720528055.9U
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Inventor
信稳
张磊
赵刚
黄新华
刘朋
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CITIC Heavy Industries Co Ltd
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CITIC Heavy Industries Co Ltd
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Abstract

A kind of ultra-large type grinding machine double-point gear drive system, including two driver elements symmetrical on grinding machine longitudinal center line, driver element includes a pair of asynchronous machines, highly elastic shaft coupling, dual-inputting planetary speed reducer, gear coupling, exposed gear axle group, open type gear ring and at a slow speed drive device, two asynchronous machines are connected by two inputs of highly elastic shaft coupling and dual-inputting planetary speed reducer, the output end of dual-inputting planetary speed reducer is connected by gear coupling with exposed gear axle group, the one end of exposed gear axle group away from gear coupling is connected with drive device at a slow speed, brake is installed at a slow speed in drive device on drive end, exposed gear axle group engages with the open type gear ring on mill body and imparts power to grinding machine;Gear transmission structure in the utility model is simple, easy to maintenance, insensitive to mismachining tolerance, alignment error and thermoelastic deformation etc., technology maturation, securely and reliably.

Description

A kind of ultra-large type grinding machine double-point gear drive system
Technical field
A kind of drive device of grinding machine is the utility model is related to, more particularly, to a kind of ultra-large type grinding machine multi point engagement tooth Wheel drive system.
Background technology
For conventional mining grinding mill, the type of drive used both at home and abroad is a lot, as one-side synchronous motor+open gear pair drives Dynamic, unilateral asynchronous machine+gear-box+open gear pair driving, bilateral synchronous motor+open gear pair driving, bilateral asynchronous electricity Machine+gear-box+open gear pair driving etc..Research shows, when grinding machine installed power reaches more than 20MW, traditional grinding machine tooth Roller box is mainly parallel-shaft gearbox, can not meet to use, and from anodontia transmission be annular generator direct connection drive when, motor High with control system cost, system architecture is complicated, high to environmental requirement, it is necessary to which professional maintenance team, spare part is with safeguarding Cost is high, and reliability has much room for improvement.Therefore, this patent proposes a kind of ultra-large type grinding machine dual-inputting planetary speed reducer drivetrain System.
Utility model content
The purpose of this utility model is can not to meet that grinding machine installed power reaches 20MW to solve the gear-box of conventional mill When causing driving inconvenience above, and using the driving of annular generator direct connection, motor and control system cost are high, and system architecture is multiple It is miscellaneous, it is high to environmental requirement, it is necessary to the problem of professional maintenance team, spare part and high maintenance cost, there is provided a kind of ultra-large type mill Machine double-point gear drive system.
To solve the deficiency of above-mentioned technical problem, used technical scheme is the utility model:
A kind of ultra-large type grinding machine double-point gear drive system, including two symmetrical on grinding machine longitudinal center line Driver element, driver element include a pair of asynchronous machines, highly elastic shaft coupling, dual-inputting planetary speed reducer, gear coupling, Exposed gear axle group, open type gear ring and drive device, two asynchronous machines are entered a profession by highly elastic shaft coupling and lose-lose at a slow speed Two inputs connection of star decelerator, the output end of dual-inputting planetary speed reducer pass through gear coupling and exposed gear axle group Connection, the one end of exposed gear axle group away from gear coupling are connected with drive device at a slow speed, at a slow speed drive end in drive device On brake for the braking when changing liner plate and the brake hard in running, exposed gear axle group and peace are installed Open type gear ring engagement on mill body imparts power to grinding machine;
Described dual-inputting planetary speed reducer includes casing, a pair of input gear axles, one-level gear wheel, sun gear, planet Wheel, ring gear, planet pivoted frame and output shaft, conjunction is coupled common ground by planet pivoted frame with casing to be fixed, the installation of one-level gear wheel In on casing center line, the axisymmetric both sides for being arranged on one-level gear wheel of a pair of input gears and engaged with one-level gear wheel with One-level gear wheel is driven, sun gear is connected with one-level gear wheel by inside and outside barreled tooth flank, and sun gear, planetary gear, ring gear are pacified In planet pivoted frame, planetary gear, which is distributed in sun gear surrounding and engaged with sun gear, passes through sun wheel drive planetary gear, planet By rotating shaft support on wall box, ring gear is set on planetary gear and engaged in order to planet wheel drive internal tooth wheel Circle is rotated, and with output axis connection in order to impart power to output shaft, output shaft rotation is supported on for wherein one end of ring gear Planet pivoted frame.
A pair of described input gear axles are rotatably supported in casing by the first rolling bearing, and one-level gear wheel passes through Two rolling bearings are rotatably supported in casing, and output shaft is rotatably supported on planet pivoted frame by the 3rd rolling bearing, planetary gear It is rotatably supported in by the 4th rolling bearing in rotating shaft.
The beneficial effects of the utility model are:Originally it is being mainly characterized by for the drive system in utility model:Opposed annular Motor drives, and gear transmission structure is simple, easy to maintenance, insensitive to mismachining tolerance, alignment error and thermoelastic deformation etc., technology Maturation, securely and reliably.
Brief description of the drawings
Fig. 1 is the structural representation under installment state of the present utility model.
Fig. 2 is dual-inputting planetary speed reducer appearance schematic diagram in the utility model.
Fig. 3 is dual-inputting planetary speed reducer structural representation in the utility model.
Diagram mark:1st, asynchronous machine, 2, highly elastic shaft coupling, 3, dual-inputting planetary speed reducer, 4, gear coupling, 5th, exposed gear axle group, 6, open type gear ring, 7, drive device at a slow speed, 8, mill body, 9, input gear axle, 10, rolling bearing, 11st, one-level gear wheel, 12, rolling bearing, 13, sun gear, 14, output shaft, 15, rolling bearing, 16, rolling bearing, 17, planet Wheel, 18, ring gear, 19, planet pivoted frame, 20, casing.
Embodiment
Shown in figure, embodiment is as follows:
A kind of ultra-large type grinding machine double-point gear drive system, including two symmetrical on grinding machine longitudinal center line Driver element, driver element include a pair of asynchronous machines 1, highly elastic shaft coupling 2, dual-inputting planetary speed reducer 3, tooth-like shaft coupling Device 4, exposed gear axle group 5, open type gear ring 6 and drive device 7 at a slow speed, two asynchronous machines 1 by highly elastic shaft coupling 2 with Two inputs connection of dual-inputting planetary speed reducer 3, the output end of dual-inputting planetary speed reducer 3 by gear coupling 4 with Exposed gear axle group 5 connects, and 5 one end away from gear coupling 4 of exposed gear axle group is connected with drive device 7 at a slow speed and specifically adopted It is connected with drive device at a slow speed by gear coupling with exposed gear axle group, use is installed at a slow speed in drive device on drive end The brake of the brake hard in braking and running when liner plate is being changed, exposed gear axle group 5 is with being arranged on grinding machine The engagement of open type gear ring 6 on body 8 imparts power to grinding machine, and the connection of each driver element uses flexible connected mode:Electricity The crown gear coupling of rod pin shaft coupling, decelerator and pinion shaft group between machine and decelerator so that each transmission link can It is relatively independent, slow down the impact of prime mover and host complex operating mode to decelerator to a certain extent;And existing mill driving Device is continuing to use such connecting mode always, operates steadily reliable, is adapted to the severe operating mode requirement of grinding machine;
Described dual-inputting planetary speed reducer 3 includes casing 20, a pair of input gear axles 9, one-level gear wheel 11, sun gear 13rd, four planetary gears 17, ring gear 18, planet pivoted frame 19 and output shaft 14, planet pivoted frame 19 couple conjunction with casing 20 common Ground connection is fixed, and one-level gear wheel 11 is installed on the center line of casing 20, and a pair of input gear axles 9 are symmetrically arranged on one-level canine tooth The both sides of wheel 11 are simultaneously engaged to drive one-level gear wheel 11 with one-level gear wheel 11, and sun gear 13 is with one-level gear wheel 11 by interior Outer barreled tooth flank is connected, and sun gear 13, planetary gear 17, ring gear 18 are installed in planet pivoted frame 19, and four planetary gears 17 are distributed Engage in the surrounding of sun gear 13 and with sun gear and pass through sun wheel drive planetary gear 17, planetary gear 17 is by rotating shaft support in casing In side wall, ring gear 18 is set on planetary gear 17 and engaged in order to which planetary gear 17 drives ring gear 18 to rotate, internal tooth Wherein one end of circle 18 is connected with output shaft 14 in order to impart power to output shaft, and output shaft rotation is supported on planet pivoted frame 19。
Described a pair of input gear axles 9 are rotatably supported in casing 20 by the first rolling bearing 10, one-level gear wheel 11 are rotatably supported in casing 20 by the second rolling bearing 12, and output shaft 14 is expert at by the rotational support of the 3rd rolling bearing 15 On star pivoted frame 19, planetary gear 17 is rotatably supported in rotating shaft by the 4th rolling bearing 16.
During work, power is inputted by two asynchronous machines through two gear shafts respectively, the gear shaft and one-level of the left and right sides Gear wheel engagement imparts power to sun gear, and sun gear engages with four uniform planetary gears will be closed again after power dividing respectively Spread and be handed to ring gear, ring gear delivers torque to output shaft, realizes the power output of main reducing gear.Wherein, it is on the one hand flat Row axle level and planetary stage gear all use power dividing mode passing power, it is possible to achieve super high power is transmitted to grinding machine open type tooth Wheel;The secondary planet pivoted frame ground connection of another aspect planetary gear is fixed, and uses the ring gear way of output, and high power density was driven Uneven centrifugal force caused by planetary gear and planet pivoted frame can not only be weakened in journey to the shadow of planet wheel spindle bearing load carrying capacity Ring, and the thin-wall construction of ring gear is resiliently flexible to improve the load performance of Planetary Gear Transmission.
Technical scheme and embodiment and non-limiting cited by the utility model, with the skill cited by the utility model Art scheme and embodiment are equal or effect same approach is all in the range of the utility model is protected.

Claims (2)

  1. A kind of 1. ultra-large type grinding machine double-point gear drive system, it is characterised in that:Including two on grinding machine axial centre The symmetrical driver element of line, driver element include a pair of asynchronous machines(1), highly elastic shaft coupling(2), dual input planet subtracts Fast device(3), gear coupling(4), exposed gear axle group(5), open type gear ring(6)Drive device at a slow speed(7), two asynchronous electricity Machine(1)Pass through highly elastic shaft coupling(2)With dual-inputting planetary speed reducer(3)The connection of two inputs, dual input planet subtracts Fast device(3)Output end pass through gear coupling(4)With exposed gear axle group(5)Connection, exposed gear axle group(5)Away from tooth-like Shaft coupling(4)One end and drive device at a slow speed(7)Connection, it is provided with drive device on drive end at a slow speed in more rebush The brake of the brake hard in braking and running during plate, exposed gear axle group(5)With installed in mill body(8)On Open type gear ring(6)Engagement imparts power to grinding machine;
    Described dual-inputting planetary speed reducer(3)Including casing(20), a pair of input gear axles(9), one-level gear wheel(11), too Sun wheel(13), planetary gear(17), ring gear(18), planet pivoted frame(19)And output shaft(14), planet pivoted frame(19)With casing (20)Fixed connection common ground is closed, one-level gear wheel(11)It is installed on casing(20)On center line, a pair of input gear axles (9)Symmetrically it is arranged on one-level gear wheel(11)Both sides and with one-level gear wheel(11)Engage to drive one-level gear wheel (11), sun gear(13)With one-level gear wheel(11)It is connected by inside and outside barreled tooth flank, sun gear(13), planetary gear(17), internal tooth Circle(18)It is installed in planet pivoted frame(19)It is interior, planetary gear(17)It is distributed in sun gear(13)Surrounding and being engaged with sun gear passes through Sun wheel drive planetary gear(17), planetary gear(17)By rotating shaft support on wall box, ring gear(18)It is set in planet Wheel(17)Go up and engage in order to planetary gear(17)Drive ring gear(18)Rotate, ring gear(18)Wherein one end with it is defeated Shaft(14)In order to impart power to output shaft, output shaft rotation is supported on planet pivoted frame for connection(19).
  2. A kind of 2. ultra-large type grinding machine double-point gear drive system according to claim 1, it is characterised in that:Described A pair of input gear axles(9)Pass through the first rolling bearing(10)It is rotatably supported in casing(20)It is interior, one-level gear wheel(11)Pass through Second rolling bearing(12)It is rotatably supported in casing(20)It is interior, output shaft(14)Pass through the 3rd rolling bearing(15)It is rotatably supported in Planet pivoted frame(19)On, planetary gear(17)Pass through the 4th rolling bearing(16)It is rotatably supported in rotating shaft.
CN201720528055.9U 2017-05-12 2017-05-12 A kind of ultra-large type grinding machine double-point gear drive system Active CN206924842U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720528055.9U CN206924842U (en) 2017-05-12 2017-05-12 A kind of ultra-large type grinding machine double-point gear drive system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720528055.9U CN206924842U (en) 2017-05-12 2017-05-12 A kind of ultra-large type grinding machine double-point gear drive system

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CN206924842U true CN206924842U (en) 2018-01-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111744577A (en) * 2020-07-21 2020-10-09 安徽省阜阳市海泉粮油工业股份有限公司 Rice polishing machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111744577A (en) * 2020-07-21 2020-10-09 安徽省阜阳市海泉粮油工业股份有限公司 Rice polishing machine

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