CN1089150C - Multifunctional planetary speed reducer - Google Patents
Multifunctional planetary speed reducer Download PDFInfo
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- CN1089150C CN1089150C CN98112433A CN98112433A CN1089150C CN 1089150 C CN1089150 C CN 1089150C CN 98112433 A CN98112433 A CN 98112433A CN 98112433 A CN98112433 A CN 98112433A CN 1089150 C CN1089150 C CN 1089150C
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Abstract
The present invention relates to a multifunctional planetary gear decelerator, which is formed by the serial combination of a planetary gear transmission assembly, a planetary gear mechanism and a bevel gear pair. After driving the bevel gear pair and the planetary gear transmission assembly to decelerate, a plurality of control shafts (11) drive an internal gear (1). A main power shaft (17) is directly connected with a central gear (24), a rotating arm (29) is fixedly connected with an output shaft (27), and the multifunctional planetary gear decelerator with main power single-stage transmission is combined. The control shaft and the main power shaft can be distributed perpendicularly or in parallel or symmetrically for 180 DEG, and the output shaft can be serially connected with various deceleration, acceleration and speed change mechanisms. The present invention has designed serial products with torque of 2646KN. m and power of lower than 4000kw, achieves the purpose of the speed regulation of high power transmission through the speed regulation of a control motor with low power, overcomes the disadvantage of single functions of universal decelerators, and has the advantages of high bearing capacity, compact structure, long service life, good effects of energy saving and material saving, etc.
Description
The present invention relates to gear drive, be specifically related to that (the present invention both can permanent power perseverance torque transmission as changeing the multifunctional planetary speed reducer that is formed by combining apart from modification star-wheel transmitting assemblies and the planetary gears of rotating speed transfer mechanism with multicrank rolling star-wheel, also can realize becoming the permanent torque transmission of power, so all right speedup after the speed governing is the general designation multifunctional planetary speed reducer).
Universal speed reducer had only a velocity ratio, a kind of output speed, exists function singleness, can not change the shortcoming of technical parameter by the main frame working conditions change present age, thereby the power of motor of retarder coupling often is more than 1.5～2 times of actual loading power, cause the energy and material to be not fully utilized, also be not easy to realize the production automation, especially outstanding at high-power transmission field; The various mechanical stepless transmissions of prior art, the stepless speed regulation of direct current generator controllable silicon, alternating current machine pole-changing or frequency control of motor speed, Hydraulic Adjustable Speed etc. have partly overcome the shortcoming of retarder function singleness, but are used for specific smaller power transmission field more; The transmission example that adopts special-purpose differential planetary retarder is arranged on lifting, metallurgical equipment, but structure huge, do not have a versatility; At coal pulverizer, cement grinding mill the transmission scheme that adopts two retarder exchange series connection to use is arranged, but shortcomings such as Utilization ratio is low, floor space big, operation inconvenience are arranged; The blower fan coupling heavy-duty motor that power industry is used, working condition requirement can change working speed, the factory that has adopts the high-power pole-changing transmission of double winding, but is difficult to satisfy the optimum Working requirement, adopts frequency control of motor speed to exist again that technical difficulty is big, shortcoming such as cost an arm and a leg.The inventor is in 96118189.3 patent documentations at application number, has narrated a kind of star-wheel speed changer of new structure and can realize that permanent power becomes the torque transmission, but existed the shortcoming that needs to shut down speed change.
The present invention is intended to overcome above-mentioned deficiency, can be by working conditions change thereby provide, do not shut down multifunctional planetary speed reducer various types, general that changes technical parameter, is transferred to high-power transmission from small-power.
The object of the present invention is achieved like this: with modification star-wheel transmitting assemblies is the basic element of character, assembly goes out end string dress planetary gears, speed end string dress bevel gear pair, its bevel pinion is contained on the n root Control Shaft, Control Shaft drives bevel gear pair and modification star-wheel transmitting assemblies deceleration back drives the planetary gears internal gear, a main power input shaft passes the sun gear (central pinion) of modification star-wheel transmitting assemblies center direct connection planetary gears, so planetary gears just becomes the differential planetary mechanism with two degrees of freedom, the planetary mechanism pivoted arm is contained on the output shaft, just be combined into the multifunctional planetary speed reducer of main power single-stage driving, by the operation Control Shaft, the transmission that realization and main frame working conditions change adapt under non-stop-machine state; Control Shaft both can be arranged vertically, also can cancel the parallel or symmetrical 180 ° of layouts of bevel gear pair with main power input shaft; Output terminal both can connect all kinds of reducing gears, gear, the also all kinds of speed increasing mechanisms of can connecting; The multifunctional planetary speed reducer of one-tenth various uses below just capable of being combined and pattern.
Below in conjunction with example structure principle accompanying drawing in detail the present invention is described in detail:
Fig. 1: adopt the star-wheel transmission modification assembly of hollow double-crank eccentric bushing and the multifunctional planetary speed reducer structure principle chart that planetary gears, bevel gear pair are formed;
Fig. 2: the multifunctional planetary speed reducer structure principle chart that the low speed end is connected with combined type star wheel reducer structure;
Fig. 3: the multifunctional planetary speed reducer structure principle chart that the low speed end is connected with double star-wheel transmission speed reducer structure;
Fig. 4: output terminal increases the multifunctional planetary speed reducer structure principle chart of planetary pinion speed increasing mechanism.
The described multifunctional planetary speed reducer embodiment's of above-mentioned Fig. 1 to Fig. 4 the basic element of character all is the modification star-wheel transmitting assemblies (single or double, double star-wheel transmitting assemblies is formed by single star-wheel transmitting assemblies and tandem compound) through seriation; Each modification star-wheel transmitting assemblies (the following star-wheel assembly that is called for short without exception of star-wheel transmitting assemblies) is by the center double crank shaft, n rolling star-wheel, two identical and staggered 180 ° of whiles of technical parameter and internal gear planet gear meshed, planet carrier and the bearing be made up of n root supporting axle and front and back supporting disk combine, the rolling star-wheel is a stand-alone assembly, the spider gear shaft that it is stretched by double-crank (double-crank throw of eccentric a be Gear center apart from) with 180 ° of layouts of symmetry and twin shaft and be contained in the spider gear shaft double-crank and rolling bearing that twin shaft is stretched combines, uniform n rolling star-wheel on planetary pinion distribution circle Dz circumference, bearing housing on the rolling star-wheel double-crank is contained in the planetary gear bearing hole, the bearing housing that twin shaft is stretched is contained in the bearing hole of the front and back supporting disk of forming planet carrier, uniform n perforation dx on planetary pinion distribution circle Dx circumference, it is whole planet carrier with rolling star-wheel interlaced arrangement and with fastening connection of front and back supporting disk that n root supporting axle passes perforation dx, two planetary pinions are installed in rotation on the double-crank of center double crank shaft by rolling bearing, the center double-crank is identical with the throw of eccentric of spider gear shaft double-crank, and the center double crank shaft is bearing in the supporting disk endoporus of front and back by bearing.
Embodiment 1:(is referring to accompanying drawing 1)
Multifunctional planetary speed reducer shown in Figure 1 mainly partly is made up of planetary gears, the star-wheel modification assembly with hollow double-crank eccentric bushing, bevel gear pair three.Star-wheel modification assembly is mainly by 1 internal gear, two planetary pinions, n rolling star-wheel, 1 hollow double-crank eccentric bushing, compositions such as 1 planet carrier and rolling bearing, internal gear [6] and front-end bearing pedestal [2], rear bearing block [10] also uses bolton on casing by internal gear cylindrical place screw for whole admittedly, two planetary structures are identical with technical parameter, and staggered 180 ° of whiles mesh with internal gear [6], planetary pinion [5] distribution circle Dz goes up a uniform n bearing hole, rolling bearing [7] on spider gear shaft [4] double-crank is inserted in this bearing hole, the center hole of planetary pinion [5] is sleeved on the cylindrical of bearing [21], the inner hole sleeve of two bearings [21] is contained on the double-crank of hollow eccentric bushing [18], uniform n perforation dx on the planetary pinion distribution circle Dx circumference, and with n bearing hole interlaced arrangement, pass perforation dx with n supporting axle [20], and with preceding supporting disk [3], back supporting disk [8] connects and is tightened to a whole planet carrier, whole planet carrier is supported in the endoporus of antero posterior axis bearing [2] and [10] by bearing [9], n root spider gear shaft [4] two ends shaft extension is inserted in by rolling bearing [7] that (the rolling star-wheel is a kind of torque rotary speed transfer mechanism in the planet carrier n bearing hole, it is a stand-alone assembly, it is by double-crank and spider gear shaft [4] that twin shaft is stretched with 180 ° of layouts of symmetry and be contained in the spider gear shaft double-crank and four rolling bearings [7] that twin shaft is stretched combine), the double-crank of the double-crank of hollow eccentric bushing [18] and spider gear shaft [4] should guarantee that throw of eccentric a value is consistent, eccentric bushing bearings at both ends [15] pack into before and after supporting disks [3] and [8] endoporus in; Planetary gears is made up of sun gear, a n planetary pinion, force transmission shaft, pivoted arm and bearing, internal gear [1] is by fastening connection of supporting disk [3] before spline and bolt and the planet carrier, sun gear [24] and n planetary pinion [32] engagement, n planetary pinion meshes with internal gear [1] simultaneously, planetary pinion is contained on force transmission shaft [30] cylinder rotationally by bearing [31], n root force transmission shaft [30] is distributed on pivoted arm [29] distribution map Da and upward and with pivoted arm is fastening connects, pivoted arm is the output shaft block bearing with fastening connection of output shaft [27], bearing [28]; Bevel gear pair is made up of bevel gear [19], [13], bevel gear [19] connects with hollow eccentric bushing is fastening, bevel pinion is installed on the Control Shaft [11], Control Shaft is supported in the hole of rear bearing block [10] by bearing [12], main power input shaft [17] (hereinafter to be referred as main power shaft) is supported in the bearing hole of end seat [14] by bearing [16], main power shaft passes star-wheel assembly center hole, by spline housing [23] and sun gear [24] rotating shaft [25] direct connection; Retarder 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 [11] direct connection, the break (not shown) is installed at coupling cylindrical place; Another motor called after master power motor M, its rated power is that P (main power), rated speed are n, M is by coupling and main power shaft [17] direct connection (not shown), and the control motor rated power is generally 0.05～0.35 times of main motor current P, decides on working condition requirement.The transmission principle of retarder is: when the main power shaft of braking [17], and the control motor M
KDrive Control Shaft [11] rotation, bevel pinion on the Control Shaft drives bevel gear wheel [19] and rotates, because bevel gear wheel [19] and fastening connection of hollow eccentric bushing [18], so bevel gear [19] drives hollow eccentric bushing [18] rotation, two planetary pinions [5] are made revolution and spinning motion under the acting in conjunction of [18] two double-cranks of hollow eccentric bushing and fixed annulus [6], owing to the bearing housing on n the rolling star-wheel crank is contained in the planetary pinion n bearing hole, thereby planetary pinion promotes rolling star-wheel work revolution and spinning motion synchronously, rolling star-wheel bearings at both ends is sleeved in the bearing hole of planet carrier, so promote the planet carrier spinning motion by the rolling star-wheel.And then drive internal gear [1] by planet carrier and rotate at a slow speed, because sun gear [24] maintains static, internal gear [1] drives planetary pinion [32] and centers on sun crop rotation revolution and spinning motion, also does the automatic motion after the deceleration by bearing [31], force transmission shaft [30] drive pivoted arm [29], pivoted arm and fastening connection of output shaft [27], thereby will move output, by after three grades of decelerations, retarder obtains a control rotation speed n like this
dWhen braking Control Shaft [11], main power motor drive main power shaft [17] rotation, part [17] drives sun gear [24] rotation, because internal gear this moment [1] maintains static, so sun gear drives planetary pinion [32] and makes revolution and spinning motion around internal gear [1], the output that rotatablely moves after in like manner will slowing down by bearing [31], force transmission shaft [30], pivoted arm [29], output shaft [27], at this moment, obtain a working speed n by one-level deceleration rear output shaft
HDrive main power shaft [17] rotation when starting main power motor, restart the control motor M
KDrive Control Shaft [11] rotation, make internal gear [1] and sun gear [24] when rotating in the same way behind double reduction, output shaft [27] 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, i
KThe resultant gear ratio of retarder when braking main power shaft [17], the resultant gear ratio of i retarder during for braking Control Shaft [11]; 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.
Retarder is work like this: 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.This multifunctional planetary speed reducer structural feature mainly contains:
1, structurally, is the synthetic complete parts of core group from piece number [1] to [23] with the star-wheel modification assembly with hollow double-crank eccentric bushing, is synthetic another the complete parts of core group from piece number [24] to [32] with planetary pinion and sun gear, two parts be loaded on simultaneously make internal gear [1] and planetary pinion [32] correct engagement, spline housing [23] link just in the casing with rotating shaft [25] assembly is the multifunctional planetary speed reducer of the main power single-stage driving of various installation patterns, it is very convenient to install and remove.
2, in a specific diameter is effective circle of D, the area shared to the major part of two parts carries out the most rational distribution, bearing capacity of the present invention is big, transmission efficiency is high to reach, the life-span is long, and two parts reach or near the technical requirements of equal strength and equivalent-load ability, to realize the purpose of the mutual balance of torque that double power flow produces.
3, the vertical input of secondary power (power is little), through three grades of decelerations output of will moving, main power passes the coaxial direct input planet gear of hollow eccentric bushing mechanism, not only met bevel gear transmitted power features of limited, but also made large diameter internal gear [1] be in low speed smooth operation state, both satisfied the compact structure requirement, made the efficient transmission of high-power realization again.
4, with respect to the star-wheel modification assembly of a specific effective circular diameter D, six aspect opposite any one velocity ratios such as the rolling bearing of its bearing capacity, input speed allowable, design of part size, employing, working life, production technology all are identical, the change because of velocity ratio does not change, the change of velocity ratio only need change tooth portion parameter and throw of eccentric a, thereby component have very high generalization and standardization level.
5, the present invention has designed effective circular diameter D from φ 250～1600mm, presses R
40Preferred numbers is divided 31 effectively product lines of circle, transmits peak torque 382.2KN.m, transmits maximum main power 4000kW, the highest input speed 1500r/min, the velocity ratio i from Control Shaft [11] to output shaft
K=31.5～125, from main power shaft to velocity ratio i=4～10 that go out end.
Embodiment 2:(is referring to accompanying drawing 2)
Shown in Figure 2 the velocity ratio expansion that can make multifunctional planetary speed reducer is more than 16～400 times at the one-level combined type star wheel reducer structure that goes out to hold to connect shown in Figure 1, and its output torque also increases along with the expansion of velocity ratio.Combined type star wheel reducer structure is mainly formed by double star-wheel assemblying.The technical parameter of two planetary pinions [169] is identical, and the number of teeth is Z
2, and staggered 180 ° of whiles and internal gear [170] engagement, the internal gear number of teeth is Z
1, the module of gear pair is m
12, eccentric bushing [160] is housed in rotating shaft [159], the center planetary gear hole is contained on the double-crank of eccentric bushing rotationally by bearing [165], and its throw of eccentric is a
12(being the Gear center distance), uniform n rolling star-wheel [167] on distribution circle Dz circumference, the rolling bearing on the rolling star-wheel double-crank is sleeved in the planetary bearing hole, and bearings at both ends is packed in the planet carrier bearing hole; Another row's star-wheel transmitting assemblies is made up of staggered 180 ° of whiles of two identical planetary pinions of technical parameter [176] and internal gear [173] engagement, and the planetary pinion number of teeth is Z
3, the internal gear number of teeth is Z
4, the module of gear pair is m
34, internal gear is fixed in the casing end, and eccentric bushing [178] is housed in same rotating shaft [159], and planetary pinion [176] center hole is contained in rotationally by bearing on the double-crank of eccentric bushing, and its throw of eccentric is a
34, uniform n rolling star-wheel [172] on same distribution circle Dz circumference, its double-crank upper bearing sleeve is contained in the planetary bearing hole, and bearings at both ends is packed in the bearing hole of planet carrier; Whole planet carrier is made up of preceding supporting disk [166], back supporting disk [175], n root supporting axle [158], middle supporting disk [179], n root supporting axle [158] and the fastening connection of three dishes, and the supporting disk end has bearing [174] to be supported in the casing endoporus behind planet carrier.Its working principle is: when pivoted arm [29] drives rotating shaft [159] rotation, two planetary pinions [176] entry into service under the effect of eccentric bushing double-crank [178], because of planetary pinion and fixed annulus [173] engagement, so planetary pinion is made revolution and spinning motion under the acting in conjunction of double-crank and internal gear, and promotion rolling star-wheel [172] is made revolution and spinning motion synchronously, the rolling star-wheel promotes planet carrier by bearings at both ends and makes spinning motion, and the rotating speed of planetary pinion [176] is passed to planetary pinion [169] with 1: 1 relation; Rotating shaft [159] rotation drives eccentric bushing [160] rotation simultaneously, because planet carrier rotates with planet gear [176], rolling star-wheel [167] bearings at both ends is contained in again in the endoporus of planet carrier, so planetary pinion [169] is made revolution and spinning motion under the acting in conjunction of eccentric bushing [160] double-crank and planet carrier, planetary pinion [169] is meshed with internal gear [170], internal gear with fastening connection of output shaft [163], thereby the motion that planetary pinion will promote after internal gear will slow down with output shaft is exported.All the other is characterized in that as described in Figure 1:
1, bearing capacity, rotating speed allowable, standard piece, structural dimensions, the working life of each row's star-wheel assembly of the double star-wheel assembly of composition are identical, and the change because of velocity ratio does not change; And with a planet carrier, thereby standardization of the present invention, generalization degree height.
2, have identical bearing capacity and life-span for satisfying each row's star-wheel assembly, tooth of the present invention portion parameter satisfies Z
2* m
12≈ Z
3* m
34Requirement.
3, for satisfying efficient transmission requirement, internal gear of the present invention [170] is realized rotation in the same way with rotating shaft [159], and with respect to any one velocity ratio in the reducing gear velocity ratio series, tooth portion parameter satisfies Z
1-Z
2〉=Z
4-Z
3, a
12〉=a
34, velocity ratio i=+Z
1Z
3/ (Z
1Z
3-Z
2Z
4) requirement.
4, the present invention is by Z
1, Z
2, Z
3, Z
44 variable number of teeth permutation and combination become a large amount of velocity ratios, and velocity ratio preferably commonly used is more than 16～400, and maximum transmission ratio can reach more than 10000.
5, the present invention has realized that by 4 planetary reasonable Arrangement driving component self is bidirectional balanced, phoresys very steady.
Be applicable to the multifunctional planetary speed reducer of the main power twin-stage transmission of above-mentioned combined reducing gear unit structure series connection and want that cube is little, the king-sized low speed transmission field of velocity ratio, all the other as described in Figure 1.
Embodiment 3:(is referring to accompanying drawing 3)
Multifunctional planetary speed reducer slow speed turbine stage series connection shown in Figure 3 is by the double star wheel reducer structure of the identical star-wheel assembly of two drainage technique parameters combination in parallel, be to mesh with internal gear [191] by staggered 180 ° of whiles of four identical planetary pinions of technical parameter [190], by bearing [182], planetary pinion is contained on the double-crank of eccentric bushing [181] rotationally, and rotating shaft [180] is by bearing [28] and [186] supporting.By front and back supporting disk [187], [193], middle supporting disk [196], the whole planet carrier end of the fastening connection of n root supporting axle [195] is supported in the casing endoporus by bearing [192] and [183], when pivoted arm drives rotating shaft [180] rotation, two identical double-crank eccentric bushings [181] of physical dimension promote four planetary pinion motions simultaneously, planetary pinion and fixed annulus engagement, so four planetary pinions are made revolution and spinning motion under the acting in conjunction of internal gear and double-crank, and n rolling star-wheel of promotion [188] made revolution and spinning motion synchronously, promoting planet carrier by rolling star-wheel bearings at both ends rotates, because planet carrier and fastening connection of output shaft [185], thereby the output of the motion after will slowing down.Output shaft is supported in the casing endoporus by bearing [184] and [183].The characteristics of this reducing gear are that bearing capacity is higher 0.75～1 times than single star-wheel assembly, and driving component is realized two-way self balance, connect multifunctional planetary speed reducer velocity ratio i=50～800, the i of main power twin-stage transmission of this kind reducing gear of slow speed turbine stage
K=125～10000, all the other as described in Figure 1.
Embodiment 4:(is referring to accompanying drawing 4)
Multifunctional planetary speed reducer shown in Figure 4 is to be the basic element of character with the modification star-wheel assembly with hollow double-crank eccentric bushing and bevel gear pair [13] and [19]; Be combined into the planetary gears of using do speed governing by the sun gear [199] that connects with rotating shaft [205], a n planetary pinion [212], internal gear [213]; Be combined into the planetary gears of using as speedup by sun gear [203], a n planetary pinion [209], internal gear [211]; Be connected into whole planet carrier by the n root supporting axle [201] on the distribution circle Da circumference and n root force transmission shaft [204] and preceding supporting disk [202], back supporting disk [198] are fastening, two cover planetary gears are arranged in parallel and shared above-mentioned whole planet carrier; Internal gear [213] and fastening connection of basic element of character supporting disk [3], internal gear [211] outer ring connects with casing is fastening, sun gear [203] connects with output shaft [208], output shaft is supported in the endoporus of casing and preceding supporting disk [202] by bearing [206] and [207], planet carrier is supported in the endoporus of casing and internal gear [213] by two bearings [197], main power shaft [17] is by spline housing [23] direct connection rotating shaft [205], more than just be combined into the multifunctional planetary speed reducer of high rotating speed output (output speed also can be lower than can be higher than main motor speed).Working principle of the present invention is: the planetary gears of using do speed governing as described in Figure 1 makes planet carrier (its function is identical with pivoted arm [29] among Fig. 1) obtain after four specific rotation speeds because planetary pinion [209] and [212] and all is contained in rotationally on the force transmission shaft [204], so planet carrier forces planetary pinion [209] to make revolution and spinning motion around internal gear [211] by force transmission shaft [204], planetary pinion drives sun gear [203] and output shaft [208] is done the speedup motion, and establishing internal gear [211] number of teeth is Z
B1, sun gear [203] number of teeth is Z
A1, planet carrier rotating speed speedup (Z then
A1+ Z
B1)/Z
A1Doubly, through sun gear [203] and output shaft [208] output, so that the present invention reaches the purpose of speedup output.All the other as described in Figure 1.
Characteristics of the present invention are that the heavy-duty motor that can realize couplings such as blower fan, water pump is exported at a high speed and the requirement of speed governing transmission, for reaching this technical requirements, except that increasing above-mentioned speed increasing mechanism, also can set up parallel axes or coaxial planetary pinion transmission speed increasing mechanism at the output terminal of the described retarder of Fig. 1, narration is omitted.
Adopt the technology of the present invention to design the series of products that transmitting torque 2646KN.m is following, transmitted power 4000kW is following, gearratio 4～25000 scopes are interior, systematically overcome the in the past shortcoming of universal speed reducer function singleness, advantage of the present invention is that significantly major advantage is:
1, transmission efficiency height, main power single-stage driving efficient 98%, single-stage speedup transmission efficiency can reach 96% with On;
2, good energy-conserving effect moves average power saving rate for the heavy-duty machinery drive speed-adjusting and can reach more than 10%, uses In conveying equipment for fluid substances speed governing operations such as water pumps, average power saving rate can reach more than 15～22%;
3, 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.
4, output terminal of the present invention can realize exporting at a high speed the speed governing transmission by speed increasing mechanism, realizes not shutting down the stepless or step speed regulation in ground for blower fans such as power industry, pump motor advantage is provided.
5, product structure adopts blocking assembly, fabricated structure, thereby product component generalization and standardization level height, helps large-scale production.
Claims (4)
1, multifunctional planetary speed reducer is to adopt star-wheel transmitting assemblies and planetary gears and bevel gear pair tandem compound with two degrees of freedom to form: the star-wheel transmitting assemblies is by the hollow eccentric bushing of double-crank [18], two identical and staggered 180 ° of whiles of technical parameter and internal gear planet gear meshed [5], by preceding supporting disk [3], back supporting disk [8], the fastening connection of n root supporting axle [20] and planet carrier and the bearing formed combine, uniform n rolling star-wheel on planetary pinion distribution circle Dz circumference, the bearing housing on the rolling star-wheel double-crank is contained in the planetary gear bearing hole, bearings at both ends is sleeved in the bearing hole of planet carrier; Uniform n perforation dx on distribution circle Dx circumference, n root supporting axle pass the perforation dx and with rolling star-wheel interlaced arrangement, rolling star-wheel double-crank has identical throw of eccentric α with the eccentric bushing double-crank, two planetary pinions are contained on the double-crank of eccentric bushing rotationally by bearing [21], eccentric bushing [18] is contained in the bearing hole of planet carrier by bearing [22] and [15], planet carrier is contained in the endoporus of bearing support [2] and [10] by bearing [9], bearing support [2], [10] be one with internal gear [6] with bolton, and be installed on the support by internal gear cylindrical end face screw; The bevel gear wheel of bevel gear pair [19] and eccentric bushing [18] be fastening to be connected, bevel pinion [13] is contained in Control Shaft [11] end, and Control Shaft is loaded in the bearing hole of bearing support [10] with bearing [12]; Planetary gears is made up of sun gear [24], a n planetary pinion [32], internal gear [1], planetary pinion is installed in rotation on the force transmission shaft [30] by bearing [31], n root force transmission shaft be distributed on the circumference of distribution circle Da and with fastening connection of pivoted arm [29], pivoted arm [29] and fastening connection of shaft [27]; Main power shaft [17] passes eccentric bushing [18] endoporus, an end is supported in the bearing hole of end cap [14] by bearing [16], and the other end is by spline housing [23] and sun gear rotating shaft [25] direct connection, and rotating shaft [25] is packed into bearing [26] in pivoted arm [29] endoporus; Control Shaft drives the internal gear [1] of bevel gear pair and star-wheel transmitting assemblies deceleration back drive planetary gears; main power input shaft [17] passes the sun gear [24] of star-wheel transmitting assemblies center direct connection planetary gears; so planetary gears just becomes the differential planet gear mechanism with two degrees of freedom; planetary gears pivoted arm [29] is contained on the output shaft [27]; just be combined into a kind of multifunctional planetary speed reducer of main power single-stage driving, by the operation Control Shaft, under non-stop-machine state, realize the speed governing operation that adapts with the main frame working conditions change.
It is characterized in that:
A, structurally, is the synthetic complete parts of core group from internal gear [1] to spline housing [23] with star-wheel transmission modification assembly, is synthetic another the complete parts of core group from sun gear [24] to planetary pinion [32] with planetary pinion and sun gear, two parts are loaded in the casing simultaneously, and assembly is the multifunctional planetary speed reducer of various installation patterns to make internal gear [1] and planetary pinion [32] correct engagement, spline housing [23] link just with sun gear rotating shaft [25].
B, secondary power (power is little) are by the vertical input of Control Shaft [11], through three grades of decelerations output of will moving, main power passes directly input planet gear structure of hollow eccentric bushing [18] by input shaft [17], both met bevel gear transmitted power features of limited, make large diameter internal gear [1] be in low speed smooth operation state again, both satisfied the compact structure requirement, made the efficient transmission of high-power realization again.
C, the double-crank eccentric bushing [18] in star-wheel transmission modification assembly are integral body and the special eccentric bushing with endoporus, are beneficial to main power shaft and pass the center.
D, multifunctional planetary speed reducer output shaft [27] can connect all kinds of reducing gears, gear, all kinds of speed increasing mechanisms of also can connecting.
2, the multifunctional planetary speed reducer of a kind of main power twin-stage transmission is characterized in that wanting to be combined into that cube is little, the multifunctional planetary speed reducer of the king-sized main power twin-stage of velocity ratio transmission at the described multifunctional planetary speed reducer output terminal of claim 1 a kind of combined type star wheel reducer structure of connecting; Combined type star wheel reducer structure is to be combined by two different star-wheel assembly parallel connections of tooth portion parameter, and the star-wheel assembly of close output shaft [163] is Z by eccentric bushing [160], spider gear shaft [167] and bearing [168], two numbers of teeth
2Planetary pinion [169], the number of teeth be Z
1Internal gear [170], supporting axle [158], preceding supporting disk [166], middle supporting disk [179] form, the rotating shaft [159] of eccentric bushing [160] is passed through bearing [161] one end bearings in internal gear [170] endoporus, the other end is supported in the casing endoporus by bearing [28], planetary pinion [169] is contained on the crank of eccentric bushing [160] by bearing [165], internal gear [170] and fastening connection of output shaft [163], output shaft [163] is supported in the casing endoporus a by bearing [162] and [164]
12The centre distance of expression internal gear [170] and planetary pinion [169]; Another star-wheel assembly is Z by eccentric bushing [178], spider gear shaft [172] and bearing [171], two numbers of teeth
3Planetary pinion [176], the number of teeth be Z
4Internal gear [173], supporting axle [158], middle supporting disk [179], back supporting disk [175] form, planetary pinion [176] is contained on the crank of eccentric bushing [178] by bearing [177], internal gear [173] cylindrical is fixed on the casing a
34The centre distance of expression internal gear [173] and planetary pinion [176]; Pivoted arm [29] and fastening connection of rotating shaft [159], two the shared n root of star-wheel assembly supporting axles [158], rotating shaft [159] and middle supporting disk [179].
3, the multifunctional planetary speed reducer of a kind of main power twin-stage transmission is characterized in that at the described multifunctional planetary speed reducer output terminal of claim 1 multifunctional planetary speed reducer of a kind of double star wheel reducer structure with the main power twin-stage transmission that is combined into big speed ratio, big torque of connecting; Double star wheel reducer structure is by the eccentric bushing [181] that is fixed in two identical throw of eccentric a in the rotating shaft [180], spider gear shaft [188] and bearing [189], four identical planetary pinions of technical parameter [190], internal gear [191], supporting axle [195], preceding supporting disk [187], middle supporting disk [196], back supporting disk [193] is formed, rotating shaft [180] is supported in the preceding supporting disk endoporus by bearing [186], the other end is supported in the casing endoporus by bearing [28], four planetary pinions are contained on the crank of eccentric bushing by bearing [182], internal gear [191] is fixed with casing, preceding supporting disk [187] and fastening connection of output shaft [185], output shaft is supported in the casing endoporus by bearing [184] and [183]; Pivoted arm [29] is coupled to one with rotating shaft [180].
4, a kind of multifunctional planetary speed reducer of high rotating speed output is characterized in that, the simple planetary arrangement of the described multifunctional planetary speed reducer of claim 1 is made into compound planetary gearing, thereby is combined into the multifunctional planetary speed reducer of high rotating speed output; Be combined into the planetary gears of using do speed governing by sun gear [199], planetary pinion [212], internal gear [213] with rotating shaft [205] connection; Be combined into the planetary gears of using as speedup by sun gear [203], planetary pinion [209], internal gear [211]; Form the shared whole planet carrier of compound planetary gearing by supporting axle [201], force transmission shaft [204], preceding supporting disk [202], back supporting disk [198]; Internal gear [213] and fastening connection of supporting disk [3], internal gear [211] outer ring connects with casing is fastening, sun gear [203] connects with output shaft [208], output shaft is supported in the endoporus of casing and preceding supporting disk [202] by bearing [206] and [207], planet carrier is supported in the endoporus of casing and internal gear [213] by two bearings [197], main power shaft [17] is by spline housing [23] direct connection rotating shaft [205], more than just be combined into output speed and can be lower than the multifunctional planetary speed reducer that also can be higher than main motor speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98112433A CN1089150C (en) | 1998-04-14 | 1998-04-14 | Multifunctional planetary speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98112433A CN1089150C (en) | 1998-04-14 | 1998-04-14 | Multifunctional planetary speed reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1232146A CN1232146A (en) | 1999-10-20 |
| CN1089150C true CN1089150C (en) | 2002-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98112433A Expired - Fee Related CN1089150C (en) | 1998-04-14 | 1998-04-14 | Multifunctional planetary speed reducer |
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| Country | Link |
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| CN (1) | CN1089150C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317521C (en) * | 2003-01-10 | 2007-05-23 | 中国科学院金属研究所 | A composite planetary actuator |
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| WO2003006845A1 (en) * | 2001-07-09 | 2003-01-23 | Ganxu Zhou | A type of speed reducer or speed-varying device with sprocket-wheel drive assembly |
| JP4160628B1 (en) * | 2007-11-26 | 2008-10-01 | 昌幸 池田 | Transmission |
| CN101949439B (en) * | 2010-09-09 | 2013-01-09 | 江苏泰隆减速机股份有限公司 | Vertical star-wheel differential speed regulation device |
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| CN103089940B (en) * | 2011-11-04 | 2015-07-15 | 陈伟 | Large involute star wheel speed regulator |
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| CN108007686A (en) * | 2017-10-23 | 2018-05-08 | 华南理工大学 | A kind of robot harmonic wave speed reducing machine test platform precision analysis test method |
| CN113070902B (en) * | 2021-04-08 | 2022-09-16 | 合肥工业大学 | Three-axis rotating robot joint |
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1998
- 1998-04-14 CN CN98112433A patent/CN1089150C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317521C (en) * | 2003-01-10 | 2007-05-23 | 中国科学院金属研究所 | A composite planetary actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1232146A (en) | 1999-10-20 |
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Assignee: Changsha Xinglun Transmission Equipment Co.,Ltd. Assignor: Hunan Provincial Machinery Institute|Zhou Ganxu Contract fulfillment period: 2006.2.9 to 2016.2.9 contract change Contract record no.: 2008430000041 Denomination of invention: Multifunctional planetary speed reducer Granted publication date: 20080814 License type: Exclusive license Record date: 20081128 |
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