CN100470085C - Star-wheel speed regulator - Google Patents
Star-wheel speed regulator Download PDFInfo
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- CN100470085C CN100470085C CNB2005100983850A CN200510098385A CN100470085C CN 100470085 C CN100470085 C CN 100470085C CN B2005100983850 A CNB2005100983850 A CN B2005100983850A CN 200510098385 A CN200510098385 A CN 200510098385A CN 100470085 C CN100470085 C CN 100470085C
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Abstract
The invention discloses a spider controller, comprising spider driving mechanism, power inputting mechanism connected with spider driving mechanism. Said spider driving mechanism contains crankshaft; inner gear [1], N1 spider gear mounted with inner gear [1], which is set on crankshaft; N2 spider shaft set on spider gear [2] and whole planet carrier made of left support plate [5] and right support plat [6], wherein the spider controller also contains spider gear mechanism. Spider gear mechanism is connected with spider driving mechanism by connecting plate [22]. When controlling electric engine with small power regulates speed the speed regulation of equipment driven by high-voltage electric engine with large power is accomplished. It is applied in fluid transmitting equipment such as pump, fan engine and so on and speed regulation of other heavy-duty machinery.
Description
Technical field
The present invention relates to a kind of gear drive, specifically is a kind of star-wheel speed regulator.
Background technique
The inventor discloses a kind of planetary gears of rotating star wheels transport mechanism of planet carrier and single cantilever force and star-wheel arrangements for speed regulation that the bevel-gear sett pair combines of adopting in notification number is the Chinese patent of " multifunctional planetary speed reducer " a kind of by name of CN 1089150C, this device has been created advantage for solving water pump, blower fan, heavy-duty machinery drive speed-adjusting energy-saving run, but this apparatus structure poor rigidity, bearing capacity are subjected to bigger restriction, its structural type can not satisfy the multiple demand of existing market.
Summary of the invention
Technical problem to be solved by this invention is at above shortcomings in the prior art, the star-wheel speed regulator that provide that a kind of structural rigidity is good, bearing capacity is big, is applicable to the powerful device speed governing operation.
The technological scheme that solution the technology of the present invention problem is adopted is that this star-wheel speed regulator comprises support 49, star wheels transport mechanism, planetary gears, power input mechanism are arranged in the support 49, and described star wheels transport mechanism comprises crankshaft, star wheels transport mechanism internal gear 1, is contained in the N that meshes with star wheels transport mechanism internal gear 1 on the crankshaft
1N on individual star wheels transport mechanism planetary pinion 2, the star wheels transport mechanism planetary pinion 2
2Root spider gear shaft 3, be fixed on whole planet carrier on the support 49 by what left supporting disk 5 and right supporting disk 6 were formed, wherein, there is tie-plate 22 described star wheels transport mechanism to be connected with the planetary gears with power output by star wheels transport mechanism internal gear 1 in the star wheels transport mechanism and the planetary gears internal gear 21 in the planetary gears, described star wheels transport mechanism internal gear 1 is fastened in the end endoporus of tie-plate 22, described planetary gears internal gear 21 is fastened in the other end endoporus of tie-plate 22, by tie-plate 22 star wheels transport mechanism internal gear 1 and planetary gears internal gear 21 are connected into a whole rotating disk, tie-plate 22 two ends are rotatably supported in the endoporus of support 49 by bearing or cylindrical roller.
Preferably, described planetary gears comprise center sun gear, planetary gears internal gear 21, respectively with the N of center sun gear and 21 engagements of planetary gears internal gear
3Individual planetary gears planetary pinion, N
3Individual planetary gears back shaft 16, planetary gears left side supporting disk 17 and the right supporting disk 14 of planetary gears have N
3The root planet axis is passed N respectively
3Individual planetary gears planetary pinion, N
3Individual planetary gears supporting axle 16 and N
3The root planet axis is respectively charged in the endoporus of planetary gears left side supporting disk 17 and the right supporting disk 14 of planetary gears, constitutes a whole planet carrier.
Described power take-off mechanism can include main power input mechanism and secondary power input mechanism, and described secondary power input mechanism is bevel gear pair or cylindrical gear pair, and the input end of bevel gear pair or cylindrical gear pair can connect the control motor M
K, its output terminal connects with the crankshaft of star wheels transport mechanism, and the input end of described main power input mechanism can connect main power motor M, and its output terminal connects with the center sun gear of planetary gears, described main power motor M and control motor M
KPlace the same side of support 49.
Described planetary gears planetary pinion can adopt two-row planetary gear 20, described center sun gear adopts the center sun gear 15 that connects with main power mechanism in the described power input mechanism, is connected with hole output shaft 18 on the left supporting disk 17 of described planetary gears.
The output terminal of described planetary gears can be in series with low-speed planets expansion mechanism, and described low-speed planets enlarges mechanism and comprises that fixing low-speed planets enlarges mechanism's internal gear 42, enlarges the N that mechanism's internal gear 42 meshes with low-speed planets
4Individual low-speed planets enlarges mechanism's planetary pinion 41 and N
4Low-speed planets expansion mechanism sun gear 38, the low-speed planets that individual low-speed planets enlarges 41 engagements of mechanism's planetary pinion enlarges mechanism's left side supporting disk 39, low-speed planets enlarges the right supporting disk 43 of mechanism, low-speed planets expansion mechanism supporting axle 47, low-speed planets expansion mechanism supporting axle 47 enlarges mechanism's left side supporting disk 39, the whole planet carrier of the right supporting disk 43 connection compositions of low-speed planets expansion mechanism with low-speed planets, has N root low-speed planets to enlarge mechanism's planet axis 40 and passes N respectively
4Individual low-speed planets enlarges mechanism's planetary pinion 41 and connects with whole planet carrier, the input shaft that low-speed planets enlarges mechanism's sun gear 38 connects with the output terminal of described planetary gears, is connected with low-speed planets on the low-speed planets expansion mechanism left side supporting disk 39 and enlarges mechanism's output shaft 37.
Preferably, there are external gear 36 and low-speed planets to enlarge the internal tooth engagement of mechanism's sun gear 38, external gear 36 connects with the output terminal of planetary gears, and low-speed planets enlarges mechanism's planetary pinion 41 and is bearing on the low-speed planets expansion mechanism planet axis 40 by bearing.
Planetary gears and low-speed planets enlarge also can be in series with between the mechanism in speed planetary gear enlarger structure, described in speed planetary gear enlarger structure comprise fixing middle speed planetary gear enlarger structure internal gear 44, with the N of middle speed planetary gear enlarger structure internal gear 44 engagements
5Speed planetary gear enlarger structure planetary pinion 45 and N in individual
5Middle speed planetary gear enlarger structure sun gear 46, the supporting axle of 45 engagements of speed planetary gear enlarger structure planetary pinion in individual, supporting axle connects supporting disk and forms whole planet carrier, and N is arranged
5The root planet axis is passed N respectively
5Speed planetary gear enlarger structure planetary pinion 45 connects with whole planet carrier in individual, and described planet axis connects with the input end that low-speed planets enlarges mechanism, and the input shaft of middle speed planetary gear enlarger structure sun gear 46 connects with the output terminal of planetary gears.
Preferably, speed planetary gear enlarger structure sun gear 46 connects with the output terminal of planetary gears by attachment tooth 48 in described, in the external tooth of internal tooth and attachment tooth 48 of speed planetary gear enlarger structure sun gear 46 mesh, middle speed planetary gear enlarger structure planetary pinion 45 is bearing on the planet axis by bearing.
Described planetary gears also can include the different gear pair of two drainage technique parameters and planetary gears left side supporting disk 27, the right supporting disk 14 of planetary gears, a toothrow wheel set that is used to slow down comprise connects with tie-plate 22 rotating planetary gears first internal gear 33, with N planetary gears first planetary pinion 32 of planetary gears first internal gear 33 engagements, and N planetary gears first planetary pinion 32 planet gear meshed mechanisms first sun gear 29; A toothrow wheel set that is used for speedup comprises fixing planetary gears secondary annulus 31, N planetary gears second planetary pinion 30 with 31 engagements of planetary gears secondary annulus, with N planetary gears second planetary pinion 30 planet gear meshed mechanisms second sun gear 28, planetary gears supporting axle 16, planetary gears supporting axle 16 is with planetary gears left side supporting disk 27, the right supporting disk 14 of planetary gears connects forms whole planet carrier, having N root planet axis 19 to pass two toothrow wheel sets connects with whole planet carrier, planetary gears second sun gear 28 connects with output shaft 26, and planetary gears first sun gear 29 connects with main power input mechanism in the power input mechanism.
Wherein, secondary power input mechanism in the power input mechanism can adopt a pair of or two pairs of bevel gear pair/cylindrical gear pairs, described crankshaft adopts hollow eccentric bushing 11, and described main power input mechanism comprises main power shaft 10, and main power shaft 10 places in the hollow eccentric bushing 11.
Preferably, above-mentioned N, N
1, N
2, N
3, N
4, N
5Span can be 2-8, and the best is 3-5.
A plurality of sensor k with various functions can be housed on each whole planet carrier,, can be furnished with electric wire or oil supply pipeline in each supporting axle endoporus as sensors such as temperature, vibration, oil level, overloads.
The present invention can reach the purpose of large power high voltage motor driving arrangement speed governing operation by the little regulation and control motor speed-regulating of power, transmit peak torque and can reach 4900KN.m, be used for conveying equipment for fluid substances speed governing operations such as water pump, blower fan, average power saving rate can reach more than 20%, is used for the average power saving rate of heavy-duty machinery speed governing operation and reaches more than 10%.
Product of the present invention has that bearing capacity is big, structural rigidity good, volume is little, stable drive, easy to maintenance, advantages such as the life-span is long, efficient is high, reliable operation.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1
Fig. 2 is the structural representation of the embodiment of the invention 2
Fig. 3 is the structural representation of the embodiment of the invention 3
Fig. 4 is the structural representation of the embodiment of the invention 4
Fig. 5 is the structural representation of the embodiment of the invention 5
Fig. 6 is the structural representation of the embodiment of the invention 6
Among the figure: 1-star wheels transport mechanism internal gear; 2-star wheels transport mechanism planetary pinion; 3-spider gear shaft; 4-steel ball; 5-left supporting disk; 6-right supporting disk; 7-small cylinder gear; 8-Control Shaft; 9-big column gear; 10-main power shaft; 11-hollow eccentric bushing; 12-supporting axle; 13-internal gear; The right supporting disk of 14-planetary gears; 15-center sun gear; 16-planetary gears supporting axle 17-planetary gears left side supporting disk; 18-hole output shaft; 19-planet axis; 20-two-row planetary gear; 21-planetary gears internal gear; 22-tie-plate; 23-Control Shaft; 24-bevel pinion; 25-bevel gear wheel; 27-planetary gears left side supporting disk; 28-planetary gears second sun gear; 29-planetary gears first sun gear; 30-planetary gears second planetary pinion; 31-planetary gears secondary annulus; 32-planetary gears first planetary pinion; 33-planetary gears first internal gear; 26-output shaft; 34-shaft coupling tooth; 35-transmission shaft; 36-external gear; The 37-low-speed planets enlarges mechanism's output shaft; The 38-low-speed planets enlarges mechanism's sun gear; The 39-low-speed planets enlarges mechanism's left side supporting disk; The 40-low-speed planets enlarges mechanism's planet axis; The 41-low-speed planets enlarges mechanism's planetary pinion; The 42-low-speed planets enlarges mechanism's internal gear; The 43-low-speed planets enlarges the right supporting disk of mechanism; Speed planetary gear enlarger structure internal gear among the 44-; Speed planetary gear enlarger structure planetary pinion among the 45-; Speed planetary gear enlarger structure sun gear among the 46-; The 47-low-speed planets enlarges mechanism's supporting axle; 48-attachment tooth; 49-support; 50-end seat; 51-cover; 52-electric wire; K-sensor.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail.
The present invention is made up of star wheels transport mechanism, planetary gears, power input mechanism three parts.Star wheels transport mechanism places in the support 49, and star wheels transport mechanism comprises crankshaft, star wheels transport mechanism internal gear 1, is contained in the N that meshes with star wheels transport mechanism internal gear 1 on the crankshaft
1N on individual star wheels transport mechanism planetary pinion 2, the star wheels transport mechanism planetary pinion 2
2Root spider gear shaft 3, by the whole planet carrier that left supporting disk 5, right supporting disk 6 are formed, this star-wheel speed regulator also includes planetary gears, has tie-plate 22 by star wheels transport mechanism internal gear 1 planetary gears to be connected with star wheels transport mechanism.Tie-plate 22 two ends adopt rolling bearing or cylindrical roller (not expression in the drawings) to be rotatably supported in the endoporus of support 49.Power input mechanism is made up of gear pair.
Planetary gears among the present invention adopts compound planetary gearing, and described compound planetary gearing has two types, and two types all have the characteristics that sun gear two-way (axially and radially) floats, planetary pinion axially floats.
One type compound planetary gearing is made up of planetary gears internal gear 21 two-row planetary gear 20 identical with center sun gear 15 and technical parameter, wherein each planetary pinion endoporus of two-row planetary gear 20 all is installed in rotation on the planet axis 19 to realize axial float by a selfaligning bearing (not shown), and set to realize the two-way floating of center sun gear 15 by the backlash of internal gear 13 and center sun gear 15, therefore the compound planetary gearing of the type has the sun gear two-way floating, the characteristics that planetary pinion axially floats, secondary power input in the power input mechanism can be adopted the parallel axes cylindrical gear mechanism as required, also can adopt a pair of or more than two pairs bevel gear pair vertically import.
The compound planetary gearing of the another kind of type of the present invention is by two planetary gears secondary annulus 31 that technical parameter is different, planetary gears first internal gear 33 and planetary gears second sun gear 28, planetary gears first sun gear 29, planetary gears second planetary pinion 30 that technical parameter is different and planetary gears first planetary pinion 32 and bearing are formed by combining, wherein planetary gears secondary annulus 31 is fixed, planetary gears first internal gear 33 is rotating, each planetary pinion endoporus of the compound planetary gearing of same this type all is installed in rotation on the planet axis 19 to realize axial float by a bearing, the setting of the backlash by internal gear 13 and planetary gears second sun gear 28 is realizing the two-way floating of sun gear, thereby such planetary gears also has the sun gear two-way floating, the characteristics that planetary pinion axially floats.Adopt the star-wheel speed regulator of the high rotating speed output of this kind structure, move through cylindrical output shaft output, the star-wheel speed-regulating part (also is a star-wheel speed regulator, when the output terminal of star-wheel speed regulator connects various reducing gears or speed increasing mechanism, just be the star-wheel speed-regulating part) employing scallop output shaft output movement, both can be separately use, also can be conveniently connect the star-wheel speed regulator that various reducing gears or speed increasing mechanism tandem compound become various different purposes at output terminal as star-wheel speed regulator.The parallel axes cylindrical gear mechanism is adopted in secondary power input in its power input mechanism, also can adopt a pair of or more than two pairs bevel gear pair vertically import.
Following examples are indefiniteness embodiment of the present invention.
Embodiment 1:
As shown in Figure 1, mainly planetary pinion axially floats by having, the rotating star wheels transport mechanism of compound planetary gearing, internal gear of sun gear two-way floating characteristics, cylindrical gear mechanism three are partly formed in the present invention.Star wheels transport mechanism is made up of the hollow eccentric bushing 11 of double-crank, star wheels transport mechanism internal gear 1, star wheels transport mechanism planetary pinion 2, left supporting disk 5 and right supporting disk 6 and rolling bearing.Double-crank on the hollow eccentric bushing 11 is bearing in the endoporus of left supporting disk 5 and right supporting disk 6 by bearing, star wheels transport mechanism planetary pinion 2 is installed in rotation on the double-crank of hollow eccentric bushing 11, two star wheels transport mechanism planetary pinion 2 structures are identical with technical parameter, staggered 180 ° of whiles drive tie-plate 22 rotations with 1 engagement of star wheels transport mechanism internal gear and by star wheels transport mechanism internal gear 1, the center hole of star wheels transport mechanism planetary pinion 2 is sleeved on the bearing top circle of center double crank shaft, and the inner hole sleeve of this bearing is contained on the double-crank of hollow eccentric bushing 11.On the circumference of star wheels transport mechanism planetary pinion 2 distribution circle Dz, be evenly equipped with N
2Individual rolling star-wheel, the rolling star-wheel is a torque rotary speed transfer mechanism, it is a stand-alone assembly, form by double-crank with 180 ° of layouts of symmetry and spider gear shaft 3 and the rolling bearing that twin shaft is stretched, the double-crank of rolling star-wheel by bearing housing be contained in star wheels transport mechanism planetary pinion 2 bearing holes, twin shaft stretches by bearing housing and is contained in the bearing hole of left supporting disk 5 and right supporting disk 6, wherein the throw of eccentric of double-crank is identical with the throw of eccentric of hollow eccentric bushing 11 double-cranks on the spider gear shaft 3.On star wheels transport mechanism planetary pinion 2 distribution circle Dx circumference, N is arranged
6Individual perforation dx has N
6It is whole planet carrier with rolling star-wheel interlaced arrangement and with left supporting disk 5 and 6 fastening connections of right supporting disk that root supporting axle 12 passes perforation dx, and left supporting disk 5 end faces are equipped with end seat 50.End seat 50 is by bearing planetary gear bearing mechanism.N
6Span can be 2-8 equally, and the best is 3-5.
This planetary gears adopts compound planetary gearing, and described compound planetary gearing comprises rotating planetary gears internal gear 21, connects internal gear 13, center sun gear 15, the identical N of two drainage technique parameters of usefulness
3Individual planetary pinion 20, N
3 Root planet axis 19 and N
3Root planetary gears supporting axle 16, planetary gears left side supporting disk 17, the right supporting disk 14 of planetary gears and bearing, N
3Individual planetary gears supporting axle 16 and the N that has two-row planetary gear 20 and bearing
3 Root planet axis 19 is respectively charged in the endoporus of planetary gears left side supporting disk 17 and the right supporting disk 14 of planetary gears, just forms a whole planet carrier.Be connected with hole output shaft 18 on the supporting disk 17 of a planetary gears left side, right supporting disk 14 of planetary gears and planetary gears left side supporting disk 17 are inserted in the endoporus of support 49 respectively by bearing and are fastened in the endoporus of the end seat 50 on the left supporting disk 5.Planetary gears internal gear 21 is driven by tie-plate 22, center sun gear 15 is to be driven by internal gear 13 by main power shaft 10, drive planetary pinion 20 rotations, thereby promote whole planet carrier rotation and, so just form compound planetary gearing with two degrees of freedom by 18 outputs of hole output shaft.
Cylindrical gear mechanism as power input mechanism comprises Control Shaft 8, small gear 7 and gearwheel 9.Small gear 7 is installed on the Control Shaft 8, gearwheel 9 and the 11 fastening connections of hollow eccentric bushing.
Star-wheel speed regulator in the present embodiment drives with two motors (or other power plant), a called after M
KThe control motor, its rated power is P
K(secondary power), rated speed are n
K, M
KBy coupling and Control Shaft 8 direct connections, the break (not shown) is installed at coupling cylindrical place; Another motor called after master power motor M, its rated power are that P (main power), rated speed are n, and M controls motor rated power P by coupling and main power shaft 10 direct connection (not shown)s
KBe generally 0.05～0.12 times of main motor current P, decide on working condition requirement.
The transmission principle of present embodiment star-wheel speed regulator is: when the main power shaft 10 of braking, and the control motor M
KDrive Control Shaft 8 rotations, small gear 7 on the Control Shaft 8 drives gearwheel 9 and rotates, because gearwheel 9 and hollow 11 fastening connections of eccentric bushing, so gearwheel 9 drives hollow eccentric bushing 11 rotations, two star wheels transport mechanism planetary pinions 2 are made revolution motion under the acting in conjunction of hollow eccentric bushing 11 that rotates and fixed whole planet carrier, thereby promote 1 rotation of star wheels transport mechanism internal gear, and by tie-plate 22 drive planetary gears internal gears 21, because center sun gear 15 maintains static, planetary gears internal gear 21 drives two-row planetary gear 20 and makes revolution and spinning motion around center sun gear 15, and by the motion after the 18 do decelerations of planet axis 19 drive hole output shafts, thereby will move output, by after three grades of decelerations, star-wheel speed regulator obtains a control rotation speed n like this
dWhen braking Control Shaft 8, main power motor drive main power shaft 10 rotations, main power shaft 10 drives 15 rotations of center sun gear by internal gear 13, because planetary gears internal gear 21 maintains static at this moment, so center sun gear 15 drives two-row planetary gear 20 and makes revolution and spinning motion around planetary gears internal gear 21, motion output after in like manner will slowing down by planet axis 19, drive hole output shaft 18, at this moment, obtain a working speed n by one-level deceleration metapore output shaft 18
HDrive main power shaft 10 rotations when starting main power motor, restart the control motor M
KDrive Control Shaft 8 rotations, when planetary gears internal gear 21 and center sun gear 15 are rotated in the same way, hole output shaft 18 obtains high workload rotation speed n
g, obtain an optimum start-up rotation speed n during counterrotating
f, more than the relation of each technical parameter be:
n
g＝n
H+n
d，n
f＝n
H-n
d，n
H＝(n
g+n
f)/2，n
d＝n
g-n
H，n
d＝n
K/i
K，n
H＝n/i，
Wherein, i
KThe resultant gear ratio of star-wheel speed regulator when braking main power shaft 10, the resultant gear ratio of i star-wheel speed regulator during for braking Control Shaft 8; If output speed is n
dThe time the output torque be T
d, output speed is n
HThe time the output torque be T
H, then should satisfy T
d=T
HThe requirement of torque balance, and with this as definite P
KAnd the foundation of numerical relation between the P.
The electric wire of sensor K or oil supply pipeline can be arranged in the supporting axle endoporus by whole planet carrier.
Working procedure of the present invention is as follows: start M simultaneously
KWith the M motor and make it opposite direction rotation, use the optimum start-up rotation speed n
fTo start main frame; And then motor is controlled in braking, main power motor continues rotation, makes the retarder output speed from n
fRise to n
HRestart the control motor and make it to rotate in the same way, make the reducer output shaft rotating speed from n with main power motor
HRise to high workload rotation speed n
gStepless speed regulation if desired then adopts variable frequency regulating speed control motor (or other stepless speed regulation) to make rotating speed from n by said procedure operation control motor
fStepless raising speed is to n
H, again from n
HStepless raising speed is to n
g, or inverse process, because the control motor M
KPower P
KMuch smaller than main motor current P, therefore reach the purpose of high-power transmission stepless speed regulation, or adopt other control program by the main frame operating mode by the stepless speed regulation of smaller power motor.
In the present embodiment, rotating star wheels transport mechanism internal gear 1 is fastened in the tie-plate 22 right-hand member endoporus in the star wheels transport mechanism.Compound planetary gearing has two degrees of freedom, the planetary gears internal gear 21 of compound planetary gearing is fastened in the tie-plate 22 left end endoporus, by tie-plate 22 star wheels transport mechanism internal gear 1 and planetary gears internal gear 21 are connected into a whole rotating disk, have satisfied the star-wheel speed-regulating part and transmitted powerful structural rigidity requirement.
The advantage of this star-wheel speed regulator is as follows:
1, its internal gear of star wheels transport mechanism of composition star-wheel speed-regulating part is rotating, and planetary pinion is only done revolution and do not done rotation, stable drive, good rigidly; Internal gear connects with the internal gear of planetary mechanism is fastening by tie-plate, between two internal gear cylindricals and the support bearing is installed, or cylindrical roller, makes the internal gear heavy load transmission steady, has increased the reliability of speed governing operation;
2, the compound planetary gearing bearing capacity of composition star-wheel speed-regulating part is big, and under the condition of transmitting identical torque, the sun gear diameter can reduce, thereby helps reducing the linear velocity of gear, provides advantage for adopting the few main motor of high speed of consumptive material;
3, because the multiduty whole planet carrier of star wheels transport mechanism is fixed, the sensor K that the utmost point is convenient to install at the speed regulator inner chamber difference in functionality be the operating condition of remote monitoring equipment, and developing intellectual resource type speed control device has been created condition;
4, secondary power P
KThe axial dimension that helps dwindling speed regulator by the parallel input of cylindrical gear pair;
5, the maximum main power of present embodiment transmission can reach 5000KW, and the highest input speed reaches 1500r/min, the secondary power velocity ratio i from secondary power input shaft 8 to hole output shaft 18
d=60～180, the 18 main power velocity ratio i from main power shaft 10 to the hole output shaft
H=3.55～71;
6, the main power transmission efficiency of present embodiment can reach 98%.Be used for the average power saving rate of water pump fluid device speed governing operation and can reach 15～22%, being used for the average power saving rate of mechanical transmission can reach more than 5%.
Embodiment 2:
As shown in Figure 2, the secondary power input mechanism of present embodiment is a bevel gear pair mechanism, its secondary power P
KBy the secondary input of bevel-gear sett, bevel gear pair mechanism comprises Control Shaft 23, bevel gear wheel 25, bevel pinion 24, the control motor M
KDrive Control Shaft 23 rotations, Control Shaft 23 is bearing in the hole of cover bearing by bearing, bevel pinion 24 is installed on the Control Shaft 23, can drive bevel gear wheel 25 rotates, because bevel gear wheel 25 and hollow 11 fastening connections of eccentric bushing, thereby order about two star wheels transport mechanism planetary pinions 2 by hollow eccentric bushing 11 and make revolution motion, pass through tie-plate 22 again till hole output shaft 18 output movements.This can satisfy in-plant regulation and control motor M
KThe requirement of vertical input, all the other structures are identical with embodiment 1.
Embodiment 3:
The secondary power P of star-wheel speed regulator among Fig. 2
KBy the secondary input of bevel-gear sett, but when secondary power P
KBig need adopt two pairs or more bevel gear pair to import to a certain degree the time, therefore in the present embodiment, as shown in Figure 3, star-wheel speed regulator adopts the Control Shaft 23 of 2 band bevel pinions 24, and their symmetries make two bevel pinions 24 drive bevel gear wheel 25 synchronously for 180 ° and rotate; Adopting the advantage of two pairs of bevel gear pairs is to enlarge secondary power, is applicable to the powerful device speed governing operation, and steel ball 4 plays a part to separate and centre of support sun gear 15, and other structures of present embodiment are identical with embodiment 1.
Embodiment 4:
By shown in Figure 4, two-row planetary gear includes the different planetary gears of two drainage technique parameters second planetary pinion 30, planetary gears first planetary pinion 32 in the present embodiment, and a toothrow wheel set that is used to slow down comprises that (number of teeth is Z to rotating planetary gears first internal gear 33
B1), with planetary gears first internal gear 33 planet gear meshed mechanisms first planetary pinion 32, with planetary gears first planetary pinion 32 planet gear meshed mechanisms first sun gear 29, wherein the number of teeth of planetary gears first sun gear 29 is Z
A1A toothrow wheel set that is used for speedup comprises that (number of teeth is Z to the planetary gears secondary annulus 31 that is fixed on the support
B2), with planetary gears secondary annulus 31 planet gear meshed mechanisms second planetary pinion 30, planetary gears supporting axle 16, with planetary gears second planetary pinion 30 planet gear meshed mechanisms second sun gear 28, planetary gears second sun gear 28 places on the output shaft 26, and the number of teeth of planetary gears second sun gear 28 is Z
A2There is planet axis 19 to pass two rows of planetary gear mechanisms, second planetary pinion 30, planetary gears first planetary pinion 32, planetary gears supporting axle 16 is formed whole planet carrier with planetary gears left side supporting disk 27, the right supporting disk 14 fastening connections of planetary gears, and planetary gears first sun gear 29 connects with internal gear 13 on the main power shaft 10.The internal tooth of planetary gears second sun gear 28 and the external tooth on the output shaft 26 float to connect and drive output shaft 26 and rotate, and the function of embodiment is the back speedup of slowing down earlier.The effect of steel ball 4 is to separate and support output shaft 26 and input shaft 10.
The transmission principle of present embodiment is: when the main power shaft 10 of braking, and the control motor M
KDrive Control Shaft 8 rotations, up to driving planetary gears first internal gear 33 by tie-plate 22.Because planetary gears first sun gear 29 maintains static, planetary gears first internal gear 33 drives planetary gears first planetary pinion 32 and makes revolution and spinning motion around planetary gears first sun gear 29, and by planet axis 19, motion after planetary gears supporting axle 16 is done to slow down, force to drive planetary gears second planetary pinion 30 by planet axis 19 then and carry out the speedup motion, and drive planetary gears second sun gear 28 and drive external tooth on the output shafts 26 and make output shaft 26 output of will moving, by after the level Four transmission, star-wheel speed regulator obtains a control rotation speed n like this
dWhen braking Control Shaft 8, when main power motor drives 10 rotations of main power shaft, drive 29 rotations of planetary gears first sun gear, because this moment, planetary gears first internal gear 33 maintained static, so driving planetary gears first planetary pinion 32, planetary gears first sun gear 29 carries out retarded motion around planetary gears first internal gear 33, force to drive planetary gears second planetary pinion 30 by planet axis 19 then and do the speedup motion, and driving planetary gears second sun gear 28 and output shaft 26 outputs, at this moment, subtract speedup rear output shaft 26 by two-stage and obtain a working speed n
HDrive main power shaft 10 rotations when starting main power motor, restart the control motor M
KDrive Control Shaft 8 rotations, when a planetary gears first internal gear 33 and planetary gears first sun gear 29 are rotated in the same way, the high workload rotation speed n of one of output shaft 26 acquisition
g, obtain an optimum start-up rotation speed n during counterrotating
f, more than the relation of each technical parameter identical with Fig. 1, the working procedure of present embodiment and Fig. 1 in like manner, narration is omitted.
In the present embodiment, output shaft 26 adopts the profile of tooth output shafts, and present embodiment both can be separately as the star-wheel speed regulator use like this, also makes things convenient at output terminal to connect various reducing gears or speed increasing mechanism to be combined into the star-wheel speed regulator of various different purposes.
The advantage of present embodiment mainly contains: compound planetary gearing is because existence is slowed down and the specific function of speedup, make this star-wheel speed regulator output speed both can be higher than main motor speed and also can be lower than main motor speed, can satisfy the requirement of various output speeds, the speed governing operation of exporting at a high speed for the heavy-duty motor of realizing couplings such as blower fan, water pump has been created advantage like this.
Embodiment 5:
Slow speed turbine stage planetary pinion of output terminal series connection at the star-wheel speed-regulating part that is combined by star wheels transport mechanism and planetary gears shown in Figure 3 enlarges mechanism, just forms the structure principle chart of star-wheel speed regulator shown in Figure 5.
As shown in Figure 5, this planetary pinion enlarges mechanism and mainly enlarges 38,1 joint shaft gear 36 of 42,1 low-speed planets expansion mechanism's sun gear of mechanism's internal gear, N by 1 low-speed planets
4Individual low-speed planets enlarges 41,1 low-speed planets of mechanism's planetary pinion and enlarges mechanism's left side supporting disk 39, N
4The root low-speed planets enlarges mechanism's planet axis 40 and low-speed planets expansion mechanism's supporting axle 47 and bearing and is formed by combining, and low-speed planets enlarges mechanism's planetary pinion 41 and is installed on low-speed planets expansion mechanism planet axis 40 cylinders to realize that axial float, low-speed planets enlarge mechanism's sun gear 38 and pass through the setting of its internal gear and external gear 36 backlashs to realize two-way floating by a selfaligning bearing.This planetary pinion expansion mechanism can make the velocity ratio of star-wheel speed-regulating part enlarge more than 3.55 times, and its output torque also increases along with the expansion of velocity ratio.
It is as follows that planetary pinion enlarges mechanism's its working procedure under the star-wheel speed-regulating part drives: drive external gear 36 rotations after shaft coupling tooth 34 obtains rotating speed there from the star-wheel speed-regulating part, external gear 36 meshes with the internal tooth that low-speed planets enlarges mechanism's sun gear 38, thereby drive low-speed planets and enlarge 38 rotations of mechanism's sun gear, because of enlarging mechanism's internal gear 42, low-speed planets fixes, so the low-speed planets expansion mechanism output shaft 37 that moves through after 38 drive low-speed planets expansion mechanism planetary pinions 41 rotations of low-speed planets expansion mechanism sun gear and promotion low-speed planets expansion mechanism's planet axis 40 and whole planet carrier will slow down is exported, all the other structures are identical with embodiment 1.
The scallop output terminal series connection primary planet pinion of star-wheel speed-regulating part enlarges the low-speed heave-load type star-wheel speed regulator of mechanism, planetary pinion enlarges mechanism and adopts planet axis, the whole planet carrier that left and right sides supporting disk and supporting axle combine, the sun gear of planetary gears is installed on the rotating shaft external gear, setting by backlash, low-speed planets enlarges mechanism's sun gear 38 and realizes two-way floating, N planetary each planetary pinion only adopts a bearing to be contained in rotationally on the planet axis to realize axial float, and a level star-wheel speed-regulating part can adopt different secondary power input modes as required at a high speed.
Embodiment 6:
Enlarge mechanism at middling speed level planetary pinion of star-wheel speed-regulating part output terminal series connection shown in Figure 2, the slow speed turbine stage planetary pinion of connecting again enlarges mechanism, just forms the structure principle chart of star-wheel speed regulator shown in Figure 6.Wherein, middling speed level and slow speed turbine stage planetary pinion enlarge mechanism, and the velocity ratio of star-wheel speed-regulating part is enlarged more than 10 times, and its output torque also increases along with the expansion of velocity ratio.
In the present embodiment, the composition of slow speed turbine stage planetary pinion expansion mechanism is identical with the structure among the embodiment 5.
Middling speed level planetary pinion enlarges mechanism mainly by 48,1 middle speed planetary gear enlarger structure sun gear 46 of 44,1 attachment tooth of 1 middle speed planetary gear enlarger structure internal gear, N
545,1 pivoted arm of speed planetary gear enlarger structure planetary pinion, N in individual
5Root planet axis and bearing are formed by combining, in like manner middle speed planetary gear enlarger structure planetary pinion 45 by a Bearing Installation on planet axis, middle speed planetary gear enlarger structure sun gear 46 floats with attachment tooth 48 and connects, has sun gear two-way floating, the axial unsteady characteristics of planetary pinion equally.
Two working procedure of planetary pinion expansion mechanism under the star-wheel speed-regulating part drives are as follows: after middle speed planetary gear enlarger structure sun gear 46 obtains rotating speed by attachment tooth 48 there from the star-wheel speed-regulating part, drive N under the acting in conjunction of speed planetary gear enlarger structure internal gear 44 in fixing
5Speed planetary gear enlarger structure planetary pinion 45 carries out retarded motion in individual, and specific rotating speed is passed to attachment tooth 36 by pivoted arm, 36 of attachment tooth drive low-speed planets and enlarge 38 rotations of mechanism's sun gear, low-speed planets enlarge mechanism's sun gear 38 and fixedly low-speed planets enlarge under the acting in conjunction of mechanism's internal gear 42 and drive N
4Individual low-speed planets enlarges mechanism's planetary pinion 41 and continues retarded motion, thereby passes through N
4Individual low-speed planets enlarges mechanism's planet axis 40 and low-speed planets expansion mechanism supporting axle 47 drive low-speed planets expansion mechanisms left side supporting disks 39 are that pivoted arm is exported needed rotating speed and torque, and all the other structures are identical with embodiment 1.
The output terminal series connection two-stage planet of star-wheel speed-regulating part enlarges mechanism, two-stage planet enlarges mechanism and all has the axially unsteady characteristics of sun gear two-way floating, planetary pinion, the slow speed turbine stage planetary pinion enlarges the whole planet carrier that mechanism adopts planet axis, left and right sides supporting disk and supporting axle to combine, and level star-wheel speed-regulating part can adopt different secondary power input modes as required at a high speed.
Present embodiment can satisfy the demand of the series product that transmitting torque 5000KN.m is following, transmitted power 5000kW is following, systematically overcome the shortcoming and defect of prior art, particularly overcome the shortcoming that oneself has rigidity deficiency in the prior art, is not suitable for high-power transmission, its major advantage is:
1, the internal gear of star wheels transport mechanism is rotating, and multiduty whole planet carrier is fixed, thereby compact structure, good rigidly, is applicable to the powerful device speed governing operation, the star-wheel speed regulator that can extensively meet the need of market;
2, transmission efficiency height, main power single-stage driving efficient 98%, the twin-stage transmission efficiency can reach more than 96%;
3, adopt and to have axially the float compound planetary gearing of characteristics of sun gear two-way floating, planetary pinion and make transmission more steadily reliable, product structure is suitable for the powerful device speed governing operation;
4, good energy-conserving effect is used for the heavy-duty machinery drive speed-adjusting and moves average power saving rate and can reach more than 5～10%, is used for conveying equipment for fluid substances speed governing operations such as water pump, and average power saving rate can reach more than 15～22%;
5, can be by lower-powered control motor stepless or step speed regulation reach the purpose that the stepless or step speed regulation in ground is not shut down in high-power transmission, overcome the shortcoming of heavy-duty motor speed governing difficulty, for improve host performance, the production automation provides advantage;
6, the product structure inner chamber is convenient to sensor installation, for operating condition, the developing intellectual resource type speed control device of remote monitoring equipment have been created advantage.
7, present embodiment culminant star wheel speed-regulating part slows down and the planetary gears output speed of speedup function both can be lower than main motor speed, also can be higher than main motor speed by having, and realizes not shutting down the stepless or step speed regulation in ground for conveying equipment for fluid substances such as blower fan, water pumps advantage is provided.
8, product structure adopts the star-wheel speed-regulating part and the flexible combination mode thereof of seriation, adds the blocking of each mechanism, thereby product parts generalization and standardization level height, helps large-scale production.
Among the embodiment 1-embodiment 6, various part of the present invention all is through seriation, unitized star-wheel speed-regulating part, the revolute pair of all rotating components all adopts rolling bearing (all not showing among the figure), wherein sensors such as " K " expression temperature, noise, vibration.The sensor K of various functions all can be installed on each whole planet carrier, not only conveniently draw electric wire and oil stream pipeline can conveniently be set by each supporting axle endoporus.
Claims (14)
1. star-wheel speed regulator, comprise support [49], support has star wheels transport mechanism, planetary gears, power input mechanism in [49], and described star wheels transport mechanism comprises crankshaft, star wheels transport mechanism internal gear [1], is contained in the N that meshes with star wheels transport mechanism internal gear [1] on the crankshaft
1N on individual star wheels transport mechanism planetary pinion [2], the star wheels transport mechanism planetary pinion [2]
2Root spider gear shaft [3], be fixed on whole planet carrier on the support [49] by what left supporting disk [5] and right supporting disk [6] were formed, it is characterized in that tie-plate is arranged [22] connect described star wheels transport mechanism by star wheels transport mechanism internal gear [1] in the star wheels transport mechanism and the planetary gears internal gear [21] in the planetary gears with the planetary gears with power output, described star wheels transport mechanism internal gear [1] is fastened in the end endoporus of tie-plate [22], described planetary gears internal gear [21] is fastened in the other end endoporus of tie-plate [22], by tie-plate [22] star wheels transport mechanism internal gear [1] and planetary gears internal gear [21] are connected into a whole rotating disk, tie-plate [22] two ends are rotatably supported in the endoporus of support [49] by bearing or cylindrical roller.
2. star-wheel speed regulator according to claim 1, it is characterized in that described planetary gears comprise center sun gear, planetary gears internal gear [21], respectively with the N of center sun gear and planetary gears internal gear [21] engagement
3Individual planetary gears planetary pinion, N
3Individual planetary gears supporting axle [16], planetary gears left side supporting disk [17] and the right supporting disk [14] of planetary gears have N
3The root planet axis is passed N respectively
3Individual planetary gears planetary pinion, N
3Individual planetary gears supporting axle [16] and N
3The root planet axis is respectively charged in the endoporus of planetary gears left side supporting disk [17] and the right supporting disk of planetary gears [14], constitutes a whole planet carrier.
3. star-wheel speed regulator according to claim 2, it is characterized in that described power take-off mechanism includes main power input mechanism and secondary power input mechanism, described secondary power input mechanism is bevel gear pair or cylindrical gear pair, and the input end of bevel gear pair or cylindrical gear pair can connect the control motor M
K, its output terminal connects with the crankshaft of star wheels transport mechanism, and the input end of described main power input mechanism can connect main power motor M, and its output terminal connects with the center sun gear of planetary gears, described main power motor M and control motor M
KPlace the same side of support [49].
4. star-wheel speed regulator according to claim 3, it is characterized in that described planetary gears planetary pinion adopts two-row planetary gear [20], described center sun gear adopts the center sun gear [15] that connects with main power mechanism in the described power input mechanism, is connected with hole output shaft [18] on the left supporting disk of described planetary gears [17].
5. star-wheel speed regulator according to claim 4, the output terminal that it is characterized in that described planetary gears is in series with low-speed planets expansion mechanism, and described low-speed planets enlarges mechanism and comprises that fixing low-speed planets enlarges mechanism's internal gear [42], enlarges the N that mechanism's internal gear [42] meshes with low-speed planets
4Individual low-speed planets enlarges mechanism's planetary pinion [41] and N
4Low-speed planets expansion mechanism's sun gear [38], the low-speed planets that individual low-speed planets enlarges mechanism's planetary pinion [41] engagement enlarges mechanism's left side supporting disk [39], low-speed planets enlarges the right supporting disk [43] of mechanism, low-speed planets expansion mechanism's supporting axle [47], low-speed planets expansion mechanism's supporting axle [47] enlarges mechanism's left side supporting disk [39], the whole planet carrier of the low-speed planets expansion right supporting disk of mechanism [43] connection composition with low-speed planets, and N is arranged
4The root low-speed planets enlarges mechanism's planet axis [40] and passes N respectively
4Individual low-speed planets enlarges mechanism's planetary pinion [41] and connects with whole planet carrier, the input shaft that low-speed planets enlarges mechanism's sun gear [38] connects with the output terminal of described planetary gears, is connected with low-speed planets on low-speed planets expansion mechanism's left side supporting disk [39] and enlarges mechanism's output shaft [37].
6. star-wheel speed regulator according to claim 5, mesh with the internal tooth that low-speed planets enlarges mechanism's sun gear [38] [36] to it is characterized in that external gear is arranged, external gear [36] connects with the output terminal of planetary gears, and low-speed planets enlarges mechanism's planetary pinion [41] and is bearing on low-speed planets expansion mechanism's planet axis [40] by bearing.
7. star-wheel speed regulator according to claim 5, it is characterized in that planetary gears and low-speed planets enlarge also be in series with between the mechanism in speed planetary gear enlarger structure, described in speed planetary gear enlarger structure comprise fixing middle speed planetary gear enlarger structure internal gear [44], with the N of middle speed planetary gear enlarger structure internal gear [44] engagement
5Speed planetary gear enlarger structure planetary pinion [45] and N in individual
5Middle speed planetary gear enlarger structure sun gear [46], the supporting axle of speed planetary gear enlarger structure planetary pinion [45] engagement in individual, supporting axle connects supporting disk and forms whole planet carrier, and N is arranged
5The root planet axis is passed N respectively
5Speed planetary gear enlarger structure planetary pinion [45] connects with whole planet carrier in individual, described planet axis connects with the input end that low-speed planets enlarges mechanism, and the input shaft of middle speed planetary gear enlarger structure sun gear [46] connects with the output terminal of planetary gears.
8. star-wheel speed regulator according to claim 7, it is characterized in that described middle speed planetary gear enlarger structure sun gear [46] connects with the output terminal of planetary gears by attachment tooth [48], the internal tooth of middle speed planetary gear enlarger structure sun gear [46] and the engagement of the external tooth of attachment tooth [48], middle speed planetary gear enlarger structure planetary pinion [45] is bearing on the planet axis by bearing.
9. star-wheel speed regulator according to claim 1, it is characterized in that described planetary gears includes different gear pair of two drainage technique parameters and planetary gears left side supporting disk [27], the right supporting disk [14] of planetary gears, a toothrow wheel set that is used to slow down comprise with tie-plate [22] and connect rotating planetary gears first internal gear [33], N planetary gears first planetary pinion [32] with planetary gears first internal gear [33] engagement, with N planetary gears first planetary pinion [32] planet gear meshed mechanism first sun gear [29]; A toothrow wheel set that is used for speedup comprises fixing planetary gears secondary annulus [31], N planetary gears second planetary pinion [30] with planetary gears secondary annulus [31] engagement, with N planetary gears second planetary pinion [30] planet gear meshed mechanism second sun gear [28], planetary gears supporting axle [16], planetary gears supporting axle [16] is with planetary gears left side supporting disk [27], the right supporting disk of planetary gears [14] connects forms whole planet carrier, having N root planet axis [19] to pass two toothrow wheel sets connects with whole planet carrier, planetary gears second sun gear [28] connects with output shaft [26], and planetary gears first sun gear [29] connects with main power input mechanism in the power input mechanism.
10. according to the described star-wheel speed regulator of one of claim 1-9, it is characterized in that the secondary power input mechanism in the described power input mechanism adopts a pair of or two pairs of bevel gear pair/cylindrical gear pairs, described crankshaft adopts hollow eccentric bushing [11], described main power input mechanism comprises main power shaft [10], and main power shaft [10] places in the hollow eccentric bushing [11].
11., it is characterized in that being equipped with on each whole planet carrier the pipeline of drawing electric wire, oil stream etc. and the sensor K of various functions according to the described star-wheel speed regulator of one of claim 1-9.
12. star-wheel speed regulator according to claim 4, it is characterized in that center sun gear [15] but adopt the sun gear of two-way floating, two-row planetary gear [20] but adopt the planetary pinion of axial float.
13. star-wheel speed regulator according to claim 7, it is characterized in that low-speed planets enlarge mechanism's sun gear [38], middle speed planetary gear enlarger structure sun gear [46] but adopt the sun gear of two-way floating, low-speed planets enlarges mechanism's planetary pinion [41], middle speed planetary gear enlarger structure planetary pinion [45] but adopts the planetary pinion of axial float.
14. star-wheel speed regulator according to claim 9, it is characterized in that planetary gears second sun gear [28], planetary gears first sun gear [29] but adopt the sun gear of two-way floating, planetary gears second planetary pinion [30], planetary gears first planetary pinion [32] but adopt the planetary pinion of axial float.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100983850A CN100470085C (en) | 2005-09-09 | 2005-09-09 | Star-wheel speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100983850A CN100470085C (en) | 2005-09-09 | 2005-09-09 | Star-wheel speed regulator |
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| Publication Number | Publication Date |
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| CN1928390A CN1928390A (en) | 2007-03-14 |
| CN100470085C true CN100470085C (en) | 2009-03-18 |
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| CNB2005100983850A Expired - Fee Related CN100470085C (en) | 2005-09-09 | 2005-09-09 | Star-wheel speed regulator |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294618B (en) * | 2007-04-24 | 2011-10-19 | 周干绪 | Planet speed regulator |
| CN109538701B (en) * | 2018-03-07 | 2021-12-21 | 深圳市奇诺动力科技有限公司 | Differential planetary transmission |
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Application publication date: 20070314 Assignee: ZHANKAI ENERGY SAVING SCIENCE AND TECHNOLOGY CO.,LTD. Assignor: Zhou Ganxu Contract record no.: 2016230000035 Denomination of invention: Star-wheel speed regulator Granted publication date: 20090318 License type: Exclusive License Record date: 20161009 |
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