CN1928390A - Star-wheel speed regulator - Google Patents
Star-wheel speed regulator Download PDFInfo
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- CN1928390A CN1928390A CN 200510098385 CN200510098385A CN1928390A CN 1928390 A CN1928390 A CN 1928390A CN 200510098385 CN200510098385 CN 200510098385 CN 200510098385 A CN200510098385 A CN 200510098385A CN 1928390 A CN1928390 A CN 1928390A
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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 star wheels transport mechanism, the power input mechanism that connects with star wheels transport mechanism, and described star wheels transport mechanism comprises crankshaft, internal gear [1], is contained in the N that meshes with internal gear [1] on the crankshaft
1N on individual planetary pinion [2], the planetary pinion [2]
2Root spider gear shaft [3], the whole planet carrier of forming by left supporting disk [5], right supporting disk [6], wherein, this star-wheel speed regulator also includes planetary gears, has tie-plate [22] by internal gear [1] star wheels transport mechanism to be connected with the planetary gears with power output.
Described planetary gears can comprise the internal gear [21] that connects with tie-plate [22], the sun gear [15] that connects with power input mechanism, the identical N of technical parameter that meshes with internal gear [21] respectively
3Individual two-row planetary gear [20], supporting axle [16], supporting axle [16] connect left supporting disk [17], right supporting disk [14] and form whole planet carrier, and N is arranged
3Root planet axis [19] is passed N respectively
3Individual two-row planetary gear [20] connects with whole planet carrier, and sun gear [15] and two-row planetary gear [20] engagement are connected with hole output shaft [18] on the left supporting disk [17].
The output terminal of described planetary gears can be in series with low-speed planets and enlarge mechanism, described low-speed planets enlarge mechanism comprise fixing internal gear [42], with the N of internal gear [42] engagement
4Individual planetary pinion [41] and N
4Sun gear [38], left supporting disk [39], right supporting disk [43], the supporting axle [47] of individual planetary pinion [41] engagement, supporting axle [47] connect left supporting disk [39], right supporting disk [43] and form whole planet carrier, have N root planet axis [40] to pass N respectively
4Individual planetary pinion [41] connects with whole planet carrier, and the input shaft of sun gear [38] connects with the input end of described planetary gears, is connected with output shaft [37] on the left supporting disk [39].
Preferably, have the external gear [36] and the internal tooth of sun gear [38] to mesh, external gear [36] connects with the output terminal of planetary gears, and planetary pinion [41] is bearing on the 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 internal gear [44], with the N of internal gear [44] engagement
5Individual planetary pinion [45] and N
5Sun gear [46], the supporting axle of individual planetary pinion [45] engagement, supporting axle connect supporting disk and form whole planet carrier, and N is arranged
5The root planet axis is passed N respectively
5Individual planetary pinion [45] connects with whole planet carrier, and described planet axis connects with the input end that low-speed planets enlarges mechanism, and the input shaft of sun gear [46] connects with the output terminal of planetary gears.
Preferably, described sun gear [46] connects with the output terminal of planetary gears by attachment tooth [48], the external tooth engagement of the internal tooth of sun gear [46] and attachment tooth [48], and 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 left supporting disk [27], right supporting disk [14], and a toothrow wheel set that is used to slow down comprises the sun gear [29] that connects rotating internal gear [33] with tie-plate [22], meshes with N the planetary pinion [32] of internal gear [33] engagement, with N planetary pinion [32]; A toothrow wheel set that is used for speedup comprises fixing internal gear [31], the sun gear [28], the supporting axle [16] that mesh with N the planetary pinion [30] of internal gear [31] engagement, with N planetary pinion [30], supporting axle [16] connects left supporting disk [27], right supporting disk [14] and forms whole planet carrier, having N root planet axis [19] to pass two toothrow wheel sets connects with whole planet carrier, sun gear [28] connects with output shaft [26], and sun gear [29] connects with power input mechanism.
Wherein, power input mechanism can be a pair of or the two pairs of bevel gear pairs or cylindrical gear pair.
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: the 1-internal gear; 2,30,32,41,45-planetary pinion; The 3-spider gear shaft; The 4-steel ball; 5,27,39-left side supporting disk; 6,14, the right supporting disk of 43-; The 7-small cylinder gear; The 8-Control Shaft; 9-big column gear; 10-master's power shaft; The hollow eccentric bushing of 11-; 12,16,47-supporting axle; 13,21,31,33,42,44-internal gear; 15,28,29,38,46-sun gear; 17-left side supporting disk; 18-hole output shaft; 19,40-planet axis; The 20-two-row planetary gear; The 22-tie-plate; The 23-Control Shaft; The 24-bevel pinion; The 25-bevel gear wheel; 26,37-output shaft; 34-shaft coupling tooth; The 35-transmission shaft; The 36-external gear; The 48-attachment tooth; The 49-support; 50-holds seat; The 51-cover; The 52-electric wire; The 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, internal gear [1], is contained in the N that meshes with internal gear [1] on the crankshaft
1N on individual planetary pinion [2], the 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] planetary gears to be connected with star wheels transport mechanism by internal gear [1].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 internal gear [21] two-row planetary gear [20] identical with sun gear [15] and technical parameter, wherein each planetary pinion endoporus of two-row planetary gear [20] all is installed in rotation on planet axis [19] upward to realize axial float by a selfaligning bearing (not shown), and set to realize the two-way floating of sun gear [15] by the backlash of internal gear [13] and 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 internal gears [31] that technical parameter is different, [33] and sun gear [28], [29], planetary pinion [30] that technical parameter is different and planetary pinion [32] and bearing are formed by combining, wherein internal gear [31] is fixed, internal gear [33] is rotating, each planetary pinion endoporus of the compound planetary gearing of same this type all is installed in rotation on planet axis [19] by a bearing and goes up to realize axial float, the setting of the backlash by internal gear [13] and 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 of double-crank [11], internal gear [1], 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, planetary pinion [2] is installed in rotation on the double-crank of hollow eccentric bushing [11], identical with technical parameter, staggered 180 ° of whiles of two planetary pinions [2] structure drive tie-plate [22] rotation with internal gear [1] engagement and by internal gear [1], the center hole of 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 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 planetary pinion [2] bearing hole, twin shaft stretches by bearing housing and is contained in the bearing hole of left supporting disk [5] and right supporting disk [6], wherein to go up the throw of eccentric of double-crank identical with the throw of eccentric of hollow eccentric bushing [11] double-crank for spider gear shaft [3].On 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 fastening connection of right supporting disk [6] that root supporting axle [12] passes perforation dx, and left supporting disk [5] end face is 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 internal gear [21], connects internal gear [13], sun gear [15], the identical N of two drainage technique parameters of usefulness
3Individual planetary pinion [20], N
3Root planet axis [19] and N
3Root supporting axle [16], left supporting disk [17], right supporting disk [14] and bearing, N
3Individual supporting axle [16] and have the N of two-row planetary gear [20] and bearing
3Root planet axis [19] is respectively charged in the endoporus of left supporting disk [17] and right supporting disk [14], just forms a whole planet carrier.Be connected with hole output shaft [18] on the left side supporting disk [17], right supporting disk [14] and left 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].Internal gear [21] is driven by tie-plate [22], sun gear [15] is to be driven by internal gear [13] by main power shaft [10], drive planetary pinion [20] rotation, thereby promote whole planet carrier rotation and, so just form compound planetary gearing with two degrees of freedom by hole output shaft [18] output.
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 fastening connection of hollow eccentric bushing [11].
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 connection, 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)
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 of braking [10], and the control motor M
KDrive Control Shaft [8] rotation, small gear [7] on the Control Shaft [8] drives gearwheel [9] and rotates, because gearwheel [9] and fastening connection of hollow eccentric bushing [11], so gearwheel [9] drives hollow eccentric bushing [11] rotation, two 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 internal gear [1] rotation, and by tie-plate [22] drive internal gear [21], because sun gear [15] maintains static, internal gear [21] drives two-row planetary gear [20] and makes revolution and spinning motion around sun gear [15], and by the motion after the deceleration of planet axis [19] drive hole output shaft [18] do, 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] rotation, main power shaft [10] drives sun gear [15] rotation by internal gear [13], because internal gear this moment [21] maintains static, so sun gear [15] drives two-row planetary gear [20] and makes revolution and spinning motion around 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] rotation when starting main power motor, restart the control motor M
KDrive Control Shaft [8] rotation, make internal gear [21] and sun gear [15] when rotating in the same way behind double reduction, 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 internal gear [1] is fastened in tie-plate [22] the right-hand member endoporus in the star wheels transport mechanism.Compound planetary gearing has two degrees of freedom, the internal gear of compound planetary gearing [21] is fastened in tie-plate [22] the left end endoporus, by tie-plate [22] internal gear [1] and [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, from main power shaft [10] to the main power velocity ratio of hole output shaft [18] i
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] rotation, 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 fastening connection of hollow eccentric bushing [11], thereby order about two planetary pinions [2] by hollow eccentric bushing [11] and make revolution motion, pass through tie-plate [22] again till hole output shaft [18] output movement.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 2 Control Shafts [23] that have bevel pinion [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 supports 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 two drainage technique parameters different planetary pinion [30], [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 internal gear [33]
B1), with internal gear [33] planet gear meshed [32], with the sun gear [29] of planetary pinion [32] engagement, wherein the number of teeth of sun gear [29] is Z
A1A toothrow wheel set that is used for speedup comprises that (number of teeth is Z to the internal gear [31] that is fixed on the support
B2), with internal gear [31] planet gear meshed [30], supporting axle [16], with the sun gear [28] of planetary pinion [30] engagement, sun gear [28] places on the output shaft [26], the number of teeth of sun gear [28] is Z
A2, there is planet axis [19] to pass two rows of planetary gears [30], [32], supporting axle [16] is formed whole planet carrier with left supporting disk [27], the fastening connection of right supporting disk [14], and sun gear [29] connects with internal gear [13] on the main power shaft [10].External tooth on the internal tooth of sun gear [28] and the output shaft [26] floats to connect and drive output shaft [26] and rotates, 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 of braking [10], and the control motor M
KDrive Control Shaft [8] rotation, up to driving internal gear [33] by tie-plate [22].Because sun gear [29] maintains static, internal gear [33] drive planetary pinion [32] is made revolution and spinning motion, is also done the motion after the deceleration by planet axis [19], supporting axle [16] around sun gear [29], force to drive planetary pinion [30] by planet axis [19] then and carry out the speedup motion, and drive sun gear [28] and drive external tooth on the output shaft [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 main power shaft [10] rotation, drive sun gear [29] rotation, because internal gear this moment [33] maintains static, carry out retarded motion so sun gear [29] drives planetary pinion [32] around internal gear [33], force to drive planetary pinion [30] by planet axis [19] then and do the speedup motion, and drive sun gear [28] and output shaft [26] output, at this moment, subtract speedup rear output shaft [26] by two-stage and obtain a working speed n
HDrive main power shaft [10] rotation when starting main power motor, restart the control motor M
KDrive Control Shaft [8] rotation, make an internal gear [33] and a sun gear [29] when rotating in the same way after three grades of decelerations, output shaft [26] 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 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 shaft, 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 mainly by 1 internal gear [42], 1 sun gear [38], 1 joint shaft gear [36], N
4Individual planetary pinion [41], 1 left supporting disk [39], N
4Root planet axis [40] and supporting axle [47] and bearing are formed by combining, and planetary pinion [41] is installed on planet axis [40] cylinder to realize that axial float, sun gear [38] pass through the setting of its internal gear and external gear [36] backlash 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: shaft coupling tooth [34] drives external gear [36] rotation after the star-wheel speed-regulating part obtains rotating speed there, external gear [36] meshes with the internal tooth of sun gear [38], thereby drive sun gear [38] rotation, because of internal gear [42] is fixed, so the output shaft [37] that moves through after sun gear [38] drive planetary pinion [41] rotation and promotion 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, sun gear [38] is realized 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 1 internal gear [44], 1 attachment tooth [48], 1 sun gear [46], N
5Individual planetary pinion [45], 1 pivoted arm, N
5Root planet axis and bearing are formed by combining, in like manner planetary pinion [45] by Bearing Installation on planet axis, 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 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 fixed annulus [44]
5Individual planetary pinion [45] carries out retarded motion, and by pivoted arm specific rotating speed is passed to attachment tooth [36], and attachment tooth [36] then drives sun gear [38] rotation, drives N under the acting in conjunction of sun gear [38] and fixed annulus [42]
4Individual planetary pinion [41] continues retarded motion, thereby passes through N
4It is that pivoted arm is exported needed rotating speed and torque that individual planet axis [40] and supporting axle [47] drive left supporting disk [39], 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 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 (10)
1. a star-wheel speed regulator comprises star wheels transport mechanism, the power input mechanism that connects with star wheels transport mechanism, and described star wheels transport mechanism comprises crankshaft, internal gear [1], is contained in the N that meshes with internal gear [1] on the crankshaft
1N on individual planetary pinion [2], the planetary pinion [2]
2Root spider gear shaft [3], the whole planet carrier of forming by left supporting disk [5], right supporting disk [6], it is characterized in that this star-wheel speed regulator also includes planetary gears, have tie-plate [22] star wheels transport mechanism to be connected with the planetary gears with power output by internal gear [1].
2. star-wheel speed regulator according to claim 1 is characterized in that described planetary gears comprises the internal gear [21] that connects with tie-plate [22], the sun gear [15] that connects with power input mechanism, the identical N of technical parameter that meshes with internal gear [21] respectively
3Individual two-row planetary gear [20], supporting axle [16], supporting axle [16] connect left supporting disk [17], right supporting disk [14] and form whole planet carrier, and N is arranged
3Root planet axis [19] is passed N respectively
3Individual two-row planetary gear [20] connects with whole planet carrier, and sun gear [15] and two-row planetary gear [20] engagement are connected with hole output shaft [18] on the left supporting disk [17].
3. star-wheel speed regulator according to claim 2, the output terminal that it is characterized in that described planetary gears are in series with low-speed planets and enlarge mechanism, described low-speed planets enlarge mechanism comprise fixing internal gear [42], with the N of internal gear [42] engagement
4Individual planetary pinion [41] and N
4Sun gear [38], left supporting disk [39], right supporting disk [43], the supporting axle [47] of individual planetary pinion [41] engagement, supporting axle [47] connect left supporting disk [39], right supporting disk [43] and form whole planet carrier, and N is arranged
4Root planet axis [40] is passed N respectively
4Individual planetary pinion [41] connects with whole planet carrier, and the input shaft of sun gear [38] connects with the input end of described planetary gears, is connected with output shaft [37] on the left supporting disk [39].
4. star-wheel speed regulator according to claim 3, the internal tooth engagement of it is characterized in that external gear is arranged [36] and sun gear [38], external gear [36] connects with the output terminal of planetary gears, and planetary pinion [41] is bearing on the planet axis [40] by bearing.
5. star-wheel speed regulator according to claim 3, 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 internal gear [44], with the N of internal gear [44] engagement
5Individual planetary pinion [45] and N
5Sun gear [46], the supporting axle of individual planetary pinion [45] engagement, supporting axle connect supporting disk and form whole planet carrier, and N is arranged
5The root planet axis is passed N respectively
5Individual planetary pinion [45] connects with whole planet carrier, and described planet axis connects with the input end that low-speed planets enlarges mechanism, and the input shaft of sun gear [46] connects with the output terminal of planetary gears.
6. star-wheel speed regulator according to claim 5, it is characterized in that described sun gear [46] connects with the output terminal of planetary gears by attachment tooth [48], the external tooth engagement of the internal tooth of sun gear [46] and attachment tooth [48], planetary pinion [45] is bearing on the planet axis by bearing.
7. star-wheel speed regulator according to claim 1, it is characterized in that described planetary gears includes the different gear pair of two drainage technique parameters and left supporting disk [27], right supporting disk [14], a toothrow wheel set that is used to slow down comprises the sun gear [29] that connects rotating internal gear [33] with tie-plate [22], meshes with N the planetary pinion [32] of internal gear [33] engagement, with N planetary pinion [32]; A toothrow wheel set that is used for speedup comprises fixing internal gear [31], the sun gear [28], the supporting axle [16] that mesh with N the planetary pinion [30] of internal gear [31] engagement, with N planetary pinion [30], supporting axle [16] connects left supporting disk [27], right supporting disk [14] and forms whole planet carrier, having N root planet axis [19] to pass two toothrow wheel sets connects with whole planet carrier, sun gear [28] connects with output shaft [26], and sun gear [29] connects with power input mechanism.
8. according to the described star-wheel speed regulator of one of claim 1-7, it is characterized in that power input mechanism is a pair of or the two pairs of bevel gear pairs or cylindrical gear pair.
9. according to the described star-wheel speed regulator of one of claim 1-7, it is characterized in that being equipped with on each whole planet carrier and draw electric wire, the pipeline of oil stream and the sensor K of various functions.
10. according to the described star-wheel speed regulator of one of claim 1-7, it is characterized in that tie-plate [22] two ends are by bearing or cylindrical roller rotatably support.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1928390A true CN1928390A (en) | 2007-03-14 |
| CN100470085C CN100470085C (en) | 2009-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100983850A Active CN100470085C (en) | 2005-09-09 | 2005-09-09 | Star-wheel speed regulator |
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| CN (1) | CN100470085C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294618B (en) * | 2007-04-24 | 2011-10-19 | 周干绪 | Planet speed regulator |
| CN109538701A (en) * | 2018-03-07 | 2019-03-29 | 深圳市奇诺动力科技有限公司 | Differential planetary transmission |
-
2005
- 2005-09-09 CN CNB2005100983850A patent/CN100470085C/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294618B (en) * | 2007-04-24 | 2011-10-19 | 周干绪 | Planet speed regulator |
| CN109538701A (en) * | 2018-03-07 | 2019-03-29 | 深圳市奇诺动力科技有限公司 | Differential planetary transmission |
| CN109538701B (en) * | 2018-03-07 | 2021-12-21 | 深圳市奇诺动力科技有限公司 | Differential planetary transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100470085C (en) | 2009-03-18 |
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Application publication date: 20070314 Assignee: The energy saving Polytron Technologies Inc 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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