CN208185355U - A kind of roll squeezer speed reducer with differential gear train - Google Patents

Abstract

The utility model discloses a kind of roll squeezer speed reducer with differential gear train, including motor, the planetary gear reduction box being connected to motor and the differential gearing reduction gearbox being fixedly connected through flange with planetary gear reduction box, level-one NGW type planetary gear train is used in planetary gear reduction box, differential gearing reduction gearbox is upper and lower separate-box type structure, it is interior to be equipped with differential gear train, it is exported respectively to the fixed roll and dynamic roller of roll squeezer.The utility model decomposes the characteristic of movement using differential gear train, effectively improve the force-bearing situation of fixed roll and dynamic roller surface, delay the abrasion of roll surface, and improve the service life that fixed roll and action roller shaft are held, simultaneously using single motor as power source, the efficiency for effectively promoting whole system, reaches energy-efficient purpose.

Description

A kind of roll squeezer speed reducer with differential gear train

Technical field

The utility model relates to drive apparatus manufacturing fields, and in particular to a kind of roll squeezer deceleration with differential gear train Machine.

Background technique

Roll squeezer be it is a kind of adaptation market enlargement development, be remarkably improved grinding system yield and reduce energy consumption it is novel Energy saving milling equipment can make grinding system power consumption reduce by 30%, output increased 70%-200% in grinding system, extensively using the equipment The general grinding in the fields such as building materials, coal, metallurgy, industrial chemicals brittle material, has a vast market foreground.High-power deceleration Core drive component of the machine as roll squeezer, plays the role of transmission and torsion pass, its performance directly affects roll squeezer work Safety, reliability and equipment start rate and maintenance capacity.

Roll squeezer currently on the market is mainly that two motors by large power overloading speed reducer respectively drive two extruding Roller can aggravate the stress of two compression rollers since torque force device cannot eliminate the impact force that roller is subject to and additional horizontal force It is unbalanced, accelerate the abrasion for squeezing roll surface, reduces the service life of compression roller bearing, while gear-box and torque force support device are vacantly put It sets, is shaken in use with roller movement, cause additional energy consumption.

Utility model content

In view of this, the purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of energy saving, maintenance side Just, the roll squeezer speed reducer with long service life with differential gear train.

In order to achieve the above objectives, the utility model uses following technical scheme:

A kind of roll squeezer speed reducer with differential gear train, including motor, planetary gear reduction box and through flange and row The output shaft of the differential gearing reduction gearbox that star gear reduction box is fixedly connected, the motor is connect with input shaft coupling, described defeated The other end for entering shaft coupling is connect by spline with the level-one sun gear in planetary gear reduction box, the level-one sun gear and one Grade planetary gear is meshed, and the primary planet wheel is mounted on primary planet carrier by bearing and primary planet wheel shaft, and one Grade planetary gear is meshed with primary annulus, and the primary planet carrier is connected by the sun gear in spline and differential gearing reduction gearbox It connects, differential gear train is equipped in the differential gearing reduction gearbox, the sun gear is meshed with planetary gear, and the planetary gear is through bearing Be mounted on planet carrier with planet wheel spindle, and tooth engagement in planetary gear and gear ring, the gear ring external tooth and setting its just on The third wheel engagement of side, the upper teeth portion of the third wheel engage with from gear, described from gear using spline and from exporting axis connection, institute It states and is connect from output shaft by spline with from output flange, it is described to be connect from output flange with Hooks coupling universal coupling, it is described universal Axis device from the dynamic roller of contracting set shaft coupling and roll squeezer by connecting；The output end of the planet carrier and main output flange pass through spline Connection, the main output flange connect with positive coupling, and the positive coupling covers shaft coupling and roll squeezer by main contract Fixed roll connection.

Preferably, level-one NGW type planetary gear train is used in the planetary gear reduction box.

Preferably, the differential gearing reduction gearbox uses upper and lower separate-box type structure.

Preferably, the Hooks coupling universal coupling is telescopic structure.

Preferably, the level-one sun gear is fixed in planetary gear reduction box through bearing, and is carried out through oil sealing by transparent cover Axially position.

Preferably, it is equipped between input shaft coupling and the transparent cover and is adjusted axially part.

Preferably, it is equipped between the differential gearing reduction gearbox and main output flange and is adjusted axially part.

The beneficial effects of the utility model are:

The utility model differential case divides two-way output power by differential gear train, main output shaft and from output shaft point Not Lian Jie roll squeezer fixed roll and dynamic roller, using differential gear train decompose movement characteristic, effectively dissolve roller by fluctuation to it The influence of generation is effectively improved the force-bearing situation of fixed roll and dynamic roller surface, delays the abrasion of roll surface and improves fixed roll and action roller shaft The service life held；Axially adjustable part makes to save maintenance cost and time without lifting by crane motor when repairing speed reducer；Sun gear Coupled by the biggish spline of sideshake, it can be achieved that using complete Floating Technology, and with the floating planet carrier of planetary gear train Carry purpose；Differential gearing reduction gearbox uses upper and lower separate-box type structure, easy to disassemble and maintenance；Hooks coupling universal coupling is extension type, Facilitate the replacement and repair that action roller shaft is held.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is cross-sectional view of the utility model along the direction A-A.

In figure: 1 motor, 2 input shaft couplings, 3 are adjusted axially part, 4 oil sealings, 5 transparent covers, 6 Hooks coupling universal couplings, 7 planetary gears Reduction gearbox, 8 primary planet wheel shafts, 9 bearings, 10 flanges, 11 level-one sun gears, 12 primary planet wheels, 13 primary planet carriers, 14 1 Grade gear ring, 15 sun gears, 16 differential gearing reduction gearboxes, 17 gear rings, 18 planetary gears, 19 cover shaft coupling from contracting, 20 planet wheel spindles, and 21 Dynamic roller, 22 main output flanges, 23 positive couplings, 24 main contractings set shaft couplings, 25 fixed rolls, 26 planet carriers, 27 third wheels, 28 from tooth Wheel, 29 from output shaft, and 30 from output flange.

Specific embodiment

The utility model is further described with reference to the accompanying drawings and examples.

As illustrated in fig. 1 and 2, a kind of roll squeezer speed reducer with differential gear train, including motor 1, planetary gear speed-reduction Case 7 and the differential gearing reduction gearbox 16 being fixedly connected through flange 10 with planetary gear reduction box 7 are adopted in planetary gear reduction box 7 With level-one NGW type planetary gear train, differential gearing reduction gearbox 16 is upper and lower separate-box type structure, interior to be equipped with differential gear train；Motor 1 it is defeated Shaft is connect with input shaft coupling 2, and the other end of input shaft coupling 2 passes through the level-one in spline and planetary gear reduction box 7 too 11 connection of sun wheel, level-one sun gear 11 are fixed in planetary gear reduction box 7 through bearing 9, and carry out axis by transparent cover 5 through oil sealing 4 To positioning, it is equipped between input shaft coupling 2 and transparent cover 5 and is adjusted axially part 3；And level-one sun gear 11 and 12 phase of primary planet wheel Engagement, primary planet wheel 12 is mounted on primary planet carrier 13 by bearing 9 and primary planet wheel shaft 8, and primary planet wheel 12 are meshed with primary annulus 14, and primary planet carrier 13 is connect by spline with the sun gear 15 in differential gearing reduction gearbox 16, Sun gear 15 is meshed with planetary gear 18, and planetary gear 18 is mounted on planet carrier 26 through bearing 9 and planet wheel spindle 20, and planet Wheel 18 and tooth engagement in gear ring 17,17 external tooth of gear ring engages with the third wheel 27 being arranged in right above it, the upper teeth portion of third wheel 27 and It engages from gear 28, connect from gear 28 using spline with from output shaft 29, pass through spline from output shaft 29 and from output flange 30 connection, between main output flange 22 and differential gearing reduction gearbox 16 be equipped be adjusted axially part 3, from output flange 30 with it is scalable The Hooks coupling universal coupling 6 of formula structure connects, and Hooks coupling universal coupling 6 from contracting set shaft coupling 19 with the dynamic roller 21 of roll squeezer by connecting；Row The output end of carrier 26 is connect with main output flange 22 by spline, and main output flange 22 is connect with positive coupling 23, rigidity Shaft coupling 23 covers shaft coupling 24 by main contracting and connect with the fixed roll 25 of roll squeezer.

The working principle of the speed reducer: when speed reducer is when normal load is run, motor 1 is driven by input shaft coupling 2 Level-one sun gear 11, level-one sun gear 11 engage level-one tooth simultaneously by engagement rotation primary planet wheel 12, primary planet wheel 12 Circle 14, the primary planet carrier 13 where rotation primary planet wheel 12, primary planet carrier 13 rotate in differential gearing reduction gearbox 16 Sun gear 15, sun gear 15 is by engagement rotation planetary gear 18, and engagement rotation gear ring 17, power divide two-way defeated to planetary gear 18 simultaneously Out: the output end of the planet carrier 26 where a routing planetary gear 18 passes through main output flange 22, positive coupling 23 and main contracting set Shaft coupling 24 drives roll squeezer fixed roll 25；Another way rotates third wheel 27 by gear ring 17, third wheel 27 by engagement rotation from gear 28, From the rotation of gear 28 from output shaft 29, from output shaft 29 by covering shaft coupling from output flange 30, Hooks coupling universal coupling 31 and from contracting 32 driving roll squeezers move roller 33, when material enters progress grinding between the fixed roll of roll squeezer and dynamic roller.The speed reducer utilizes differential Train decomposes the characteristic of movement, and effective neutralizing fixed roll and dynamic roller, which generate it by fluctuation, to be influenced, and delays the abrasion of roll surface The service life held with raising fixed roll and action roller shaft, while using single motor as power source, effectively promote whole system Efficiency reaches energy-efficient purpose.

Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, this field Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, it is practical without departing from this The spirit and scope of new technique scheme should all cover in the scope of the claims of the utility model.

Claims (7)

1. a kind of roll squeezer speed reducer with differential gear train, including motor (1), planetary gear reduction box (7) and through flange (10) the differential gearing reduction gearbox (16) being fixedly connected with planetary gear reduction box (7), it is characterised in that: the motor (1) Output shaft is connect with input shaft coupling (2), and the other end of input shaft coupling (2) passes through spline and planetary gear reduction box (7) level-one sun gear (11) connection in, the level-one sun gear (11) are meshed with primary planet wheel (12), the level-one row Star-wheel (12) is mounted on primary planet carrier (13) by bearing (9) and primary planet wheel shaft (8), and primary planet wheel (12) It is meshed with primary annulus (14), the primary planet carrier (13) passes through the sun gear in spline and differential gearing reduction gearbox (16) (15) it connects, differential gear train is equipped in the differential gearing reduction gearbox (16), the sun gear (15) is mutually nibbled with planetary gear (18) It closes, the planetary gear (18) is mounted on planet carrier (26) through bearing (9) and planet wheel spindle (20), and planetary gear (18) and tooth (17) interior tooth engagement is enclosed, gear ring (17) external tooth is engaged with the third wheel (27) being arranged in right above it, the third wheel (27) Upper teeth portion is engaged with from gear (28), described to be connect from gear (28) using spline with from output shaft (29), described from output shaft (29) it is connect by spline with from output flange (30), it is described to be connect from output flange (30) with Hooks coupling universal coupling (6), described ten thousand To shaft coupling (6) by being connect from contracting set shaft coupling (19) with the dynamic roller (21) of roll squeezer；The output end of the planet carrier (26) It is connect with main output flange (22) by spline, the main output flange (22) connect with positive coupling (23), the rigidity Shaft coupling (23) is connect by main contracting set shaft coupling (24) with the fixed roll (25) of roll squeezer.

2. the roll squeezer speed reducer according to claim 1 with differential gear train, it is characterised in that: the planetary gear Level-one NGW type planetary gear train is used in reduction gearbox (7).

3. the roll squeezer speed reducer according to claim 1 with differential gear train, it is characterised in that: the differential gearing Reduction gearbox (16) uses upper and lower separate-box type structure.

4. the roll squeezer speed reducer according to claim 1 with differential gear train, it is characterised in that: the universal joint shaft Device (6) is telescopic structure.

5. the roll squeezer speed reducer according to claim 1 with differential gear train, it is characterised in that: the level-one sun Wheel (11) is fixed in planetary gear reduction box (7) through bearing (9), and carries out axially position by transparent cover (5) through oil sealing (4).

6. according to claim 1 or 5 with the roll squeezer speed reducer of differential gear train, it is characterised in that: the input It is equipped between shaft coupling (2) and transparent cover (5) and is adjusted axially part (3).

7. the roll squeezer speed reducer according to claim 1 with differential gear train, it is characterised in that: the differential gearing It is equipped between reduction gearbox (16) and main output flange (22) and is adjusted axially part (3).