WO2003006845A1 - Type de reducteur de vitesse ou dispositif de variation de vitesse presentant un ensemble de roue motrice-roue dentee - Google Patents

Type de reducteur de vitesse ou dispositif de variation de vitesse presentant un ensemble de roue motrice-roue dentee Download PDF

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Publication number
WO2003006845A1
WO2003006845A1 PCT/CN2001/001165 CN0101165W WO03006845A1 WO 2003006845 A1 WO2003006845 A1 WO 2003006845A1 CN 0101165 W CN0101165 W CN 0101165W WO 03006845 A1 WO03006845 A1 WO 03006845A1
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WO
WIPO (PCT)
Prior art keywords
gear
star
row
speed
double
Prior art date
Application number
PCT/CN2001/001165
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English (en)
Chinese (zh)
Inventor
Ganxu Zhou
Original Assignee
Ganxu Zhou
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ganxu Zhou filed Critical Ganxu Zhou
Priority to CN01815956.7A priority Critical patent/CN1262772C/zh
Priority to PCT/CN2001/001165 priority patent/WO2003006845A1/fr
Publication of WO2003006845A1 publication Critical patent/WO2003006845A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/46—Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/04—Combinations of toothed gearings only

Definitions

  • the present invention relates to the technical field of gear transmissions, and in particular, to a star gear reducer or governor (a star gear governor also known as a "multifunctional star gear reducer") using a double-row or single-row star gear transmission assembly.
  • a star gear reducer or governor a star gear governor also known as a "multifunctional star gear reducer”
  • the present invention aims to overcome the above-mentioned shortcomings, thereby providing a high-capacity star-wheel reducer or governor using a double-row star-wheel drive assembly and a star-wheel reducer or a widely-used star-wheel reducer or Governor.
  • the single-row star-wheel drive assembly series is first universalized and standardized.
  • the single-row star-wheel drive assembly consists of a row of n as a torque and speed transmission mechanism-by high load capacity Bearing and double crank (double eccentric) rolling star wheel combined with a star wheel shaft, two planetary gears with exactly the same technical parameters, a double crank eccentric sleeve, n supporting shafts and a planet carrier made up of front and rear supporting disks, and a planet carrier
  • the internal gears are combined; the two planetary gears are 180 ° symmetrical and mesh with the internal gears at the same time.
  • the n rolling star wheels and n supporting shafts on the single-row or double-row star gear transmission assembly are distributed on the center circle with diameter D z and diameter D x , respectively.
  • the two single-row star wheel transmission assemblies that have achieved generalization and standardization use an intermediate support disk and n long support shafts are fastened and connected in parallel to form an integrated structure to form a double-row star wheel transmission.
  • Module, each model and specification of the single-row star-wheel drive assembly series is connected in parallel as described above to form a double-row star-wheel drive assembly series, and its bearing capacity is 0.75 to 1 times higher than that of the single-row star-wheel drive assembly series.
  • the planetary gear transmission unit that matches the bearing capacity of the single-row star gear transmission assembly, and realize serialization, generalization and standardization;
  • the single-row planetary gear drive unit consists of a floating sun gear , N rotatable planetary gears, a planet carrier with n support shafts and n force transmission shafts for fastening the front and rear support discs together, and a rotatable internal gear.
  • the high-speed output planetary gear transmission unit series that matches the bearing capacity of the single-row star gear transmission assembly series, and also achieve generalization and standardization; the high-speed output planetary gear transmission unit
  • the structure includes a set of planetary gear mechanism for speed adjustment and a set of speed-increasing planetary gear mechanism.
  • the two sets of mechanisms share a planet carrier, and the planetary gear mechanism for speed control transmission.
  • the internal gear is rotatable and used.
  • the planetary gear mechanism for speed-up transmission has fixed internal gears, and the sun gears of both are floating.
  • the star wheel reducer and governor using the star wheel transmission component are composed of a serialized, generalized and standardized star wheel transmission component and a planetary gear transmission unit according to different technical requirements and The combination of different connection methods.
  • the star wheel transmission assembly uses a rolling star wheel as a torque and speed transmission mechanism.
  • the rolling star wheel is an independent component.
  • a double crank with a symmetrical 180 ° arrangement (the eccentricity of the crank is the center distance of the gear) and A double-shaft star wheel shaft and four rolling or sliding bearings mounted on the double-shaft and double-shaft star wheel shaft are combined;
  • a single-row star wheel drive assembly is composed of a double crank eccentric sleeve (the eccentricity of the crank is the center distance of the gear) ),
  • Two planetary gears with the same technical parameters, two planetary gears that are symmetrically 180 ° simultaneously meshing internal gears, n rolling star wheels, and a planet carrier that is fastened and connected by n support shafts and front and rear support disks.
  • the double-row star wheel transmission assembly is composed of two double crank eccentric sleeves, four planetary gears with the same technical parameters, and four planetary gear pairs. 180 ° two internal gear while meshing, the n double star wheel and tighten scroll by the support shaft and the n number three bearing plate
  • the planetary carrier and other main parts are combined together;
  • the single-row planetary gear transmission unit is composed of a floating sun gear, n planet gears, a rotatable internal gear, and n support shafts and n transmissions.
  • the force shaft is combined with the main parts such as the planet carrier which is fastened to the front and rear support discs.
  • the double-row planetary gear transmission unit is composed of two floating sun gears, double-row n planetary gears, and two rotatable technical parameters.
  • the internal gears, as well as the planetary carrier with n support shafts and n power transmission shafts tightly connected to the front and rear support disks, are combined;
  • the planetary gear transmission unit with high speed output consists of a sun gear and n planetary gears.
  • a planetary gear transmission mechanism for speed control with a rotatable internal gear, a planetary gear transmission mechanism for speed increase with another sun gear and n planetary gears, a fixed internal gear, etc., and n support shafts And n force-transmitting shafts are used to fasten the front and rear support discs into a whole-two sets of planetary gears common to the planetary gear transmission mechanism are combined; the above components and units are Requirements, different ways of coupling can be used to assemble the various applications, the installation of various types of planetary reducer or governor.
  • Figure 1 Schematic diagram of the structure of a star wheel reducer using a double-row star gear transmission assembly, a high-speed series single-row planetary gear drive unit, and the output of the inner gear housing;
  • Figure 2 Schematic diagram of a parallel-axis star gear reducer using a double-row star gear transmission component that meshes with a cylindrical gear through the external teeth of the component;
  • Figure 3 Two star-wheel reducers combined with a double-row star gear drive assembly, high-speed star-wheel reducers combined with a single-row star gear drive assembly in series, and floating bridge gears in parallel Schematic diagram of the double-in and double-out star wheel reducer transmission;
  • Figure 4 Schematic diagram of a low-speed star speed governor using a double-row star gear transmission assembly and a combination of external teeth and a double-row planetary gear unit;
  • Figure 5 Schematic diagram of a low-speed star speed governor using a dual-row star gear transmission assembly through an internal gear and a double-row planetary gear unit in series;
  • Figure 6 Principle diagram of star wheel governor transmission with single-row star gear transmission assembly, low speed output through combination of external teeth and single-row planetary gear unit;
  • Figure 7 Using a single-row star wheel transmission assembly, planetary gears with external teeth and high speed output Transmission principle diagram of star wheel governor with high speed output in parallel combination of wheel transmission unit;
  • Figure 8 The principle diagram of the low-speed output star gear governor using a single-row star gear transmission assembly and a series combination of an internal gear and a single-row planetary gear drive unit.
  • This embodiment is a star-wheel reducer using a star-wheel transmission component, which adopts a combination type of a double-row star-wheel transmission component and a single-row planetary gear transmission unit.
  • the input shaft of the double-row star-wheel transmission component is a hollow shaft.
  • the star gear unit is installed on the outer end of the reducer.
  • the inner cavity of the reducer is convenient for installing signal sensing components.
  • the decelerated motion is directly output by the convex circle on the outer circle of the internal gear of the star gear transmission assembly.
  • the reducer is equipped with an oil distribution plate. As shown in Figure 1.
  • the high-speed stage of the star wheel reducer is a single unit composed of (12), (13), (14), (16), (17), (18), (19), (20), (26) Row planetary gear transmission unit, the input shaft (26) is connected to the motor shaft extension (25) through a coupling, and the other end of the input shaft (26) passes through the hole center shaft (21) and is supported in the bearing of the front cover (15) In the hole, an external gear (17) is fastened to the input shaft, and the internal teeth of the sun gear (18) are floatingly engaged with the external teeth (17), and the external gear of the sun gear (18) is engaged with the planetary gear (19).
  • the planetary gear is rotatably mounted on the power transmission shaft (20) through rolling bearings, and the support disks (16) and (13) are fastened to form an integral planet carrier through the support shaft (14) and the power transmission shaft (20).
  • the support plate (16) is supported by the bearing in the inner hole of the front cover (15).
  • the support plate (13) of the planet carrier is tightly coupled with the hollow shaft (21), and the planet gear (19) meshes with the internal gear (12).
  • the gear is connected to the fixed support plate (9), and can float radially on the support plate (9), but cannot rotate; the low-speed stage shown in Figure 1 is made of parts (1 ) ⁇ (9), (21), (22), (23)
  • a double-row star wheel transmission assembly the movement is input by a hollow shaft (21), and the hollow shaft is fastened with two double eccentric (double cranks) )
  • Sleeve (5) two eccentric sleeves are rotatably sleeved in the center hole of four planetary gears (2) with the same technical parameters through rolling bearings, n rows of two rolling star wheels (two on a star wheel shaft Axial extension with two symmetrical 180 ° offsets
  • the heart crank is equipped with a total of four rolling bearings or four sliding bearings, and the combination of the star wheel shaft and the four bearings is collectively referred to as a rolling star wheel.)
  • Rolling star wheel (4)
  • the bearings on the double crank are set on the planetary gear (2).
  • the bearings of both ends of the rolling star wheel are respectively set in the bearing holes of the front support plate (9), the intermediate support plate (6) and the rear support plate (8), and n pieces are staggered with the rolling star wheel (4).
  • the support shaft (7) passes through the perforations of the four planetary gears (2) ( ⁇ the support disks (6), (8) and (9) are fastened to form an integrally fixed planet carrier, the internal gear (1)
  • the technical parameters are the same as (3).
  • the four planetary gears (2) are symmetrically engaged with the internal gear at 180 °, the front bearing block (10) and the internal gear (3) are tightly connected, and the rear bearing block (30) and The internal gear (1) is tightly connected, so that the front and rear bearing housings and the internal gear form an integral housing, which is connected to the wheel hub (32) through the convex circle of the housing.
  • the component (31) in Figure 1 is the oil distribution plate, and the component ( 29) is a coupling seat, one end is inserted into the spline hole of the back support plate (8), and the other end is connected to the fixed plate (28)
  • the black bar indicated by the letter “K” in Figure 1 is the position of the sensing element that picks up vibration, noise, and temperature, and the signal line can also be led out through the appropriate position of the oil distribution plate (31).
  • the reducer is This works: when the motor shaft extension (25) rotates, the gear (17) on the input shaft (26) rotates; the piece (17) drives the sun gear (18), and the sun gear (18) drives the planet gear (19) to rotate
  • the planetary gear (19) meshes with the internal gear (12).
  • the planetary gear pushes the planet carrier for rotation through the force transmission shaft (20), and the planetary carrier support plate (13) and the hollow shaft (21) Tighten the connection, so that the rotary motion of the motor shaft is decelerated by the high-speed planetary gear transmission unit, and the decelerated motion is input to the low-speed shaft (21) by the support plate (13); when the hollow shaft (21) During rotation, the four planetary gears (2) are moved simultaneously by the rolling bearings on the crank of the two eccentric sleeves (5) fixed to the hollow shaft, and the rolling star wheels (4) are moved synchronously by the planetary gears.
  • the planetary gear (2) can only make revolutions but not rotate under the combined action of the eccentric sleeve and the rolling star wheel.
  • the rolling star wheel can only perform the rotation motion but not the revolution motion.
  • the planetary gear makes the revolution motion while pushing the internal gears (1) and (3) for the rotation motion, and simultaneously pushes the wheel hub (32) for the rotation motion, thereby reducing the speed.
  • the brake can brake the high-speed input shaft (26), and the low-speed input shaft (21);
  • the filtered special lubricating oil enters the inner hole of the rolling star wheel (4) shaft through the oil distribution plate (31), and flows out from the through hole of the supporting shaft (7); the sensor indicated by the letter K
  • the component continuously sends out the signal of the internal condition of the reducer's internal cavity to provide a condition for remote monitoring of the condition of the reducer.
  • the sun gear (18) the number of teeth is 2
  • the internal gear (12) the number of teeth Z 2 the number of teeth of the planetary gear (2) for Z 3
  • the number of teeth of the internal gear (1) and (3) is Z 4
  • the present invention has the following characteristics:
  • the low-speed stage of the present invention adopts a double-row star-wheel drive assembly which is composed of two single-row star-wheel drive assemblies in parallel. It consists of four planetary gears, two internal gears, three support disks, two-row n-rolling star wheels, and ⁇ .
  • the root bearing shaft, two eccentric sleeves, and other major components are combined. Relative to a specific effective circle diameter D and a specific width L, its load capacity, allowable input speed, component structure size, rolling bearing used, use
  • the six aspects of life and production process are the same for any of the transmission ratios. They do not change due to the change of the transmission ratio. The change of the transmission ratio only needs to change the gear parameters and eccentricity (gear center distance).
  • a high degree of generalization and standardization This highly generalized and standardized star wheel transmission assembly can be used to combine other various types of mounting and connection types and various purposes of star wheel reducers and governors.
  • the main parts of the gear, star wheel shaft, support shaft and other parts of the double-row star wheel transmission assembly of the present invention are made of high-performance alloy steel and advanced heat treatment process; the structural design makes the internal gear part of the reducer casing, making the effective circle Get the most full use;
  • the four planetary gears are symmetrical at 180 ° and the internal gears can simultaneously mesh with up to 56 pairs of teeth, and achieve two-way balance of the moving parts; therefore, the bearing capacity of the present invention is as high as 140N.m / lkg or more, and it also has work Reliable, long life, smooth transmission and high efficiency. 3.
  • High-speed single-row planetary gear transmission also use double-row planetary gear transmission unit
  • the mechanism is installed on the outer end of the reducer-the most convenient place to disassemble, which not only facilitates maintenance, but also shortens the suspension distance of the reducer and enhances the whole machine. rigidity.
  • the high-speed sun gear relies on its internal ring gear to floatably fit on the external gear fixed to the input shaft.
  • This sun gear floating mechanism has the remarkable feature of short axial size.
  • the present invention adopts the internal gear output type, the planet carrier is fixed, and has the characteristics of convenient installation of a sensing element in the inner cavity of the reducer.
  • the present invention has designed a series of products that can transmit a maximum torque of more than 7480KN.m.
  • the nominal transmission ratio can be selected between 1: 90 ⁇ 1: 1000.
  • the present invention can be changed to a single-row planetary gear transmission unit and a single-row star gear transmission assembly in series, or the high-speed stage can be eliminated.
  • Output single-stage drive star gear reducer can be changed to a single-row planetary gear transmission unit and a single-row star gear transmission assembly in series, or the high-speed stage can be eliminated.
  • This embodiment is a star gear reducer adopting a star gear transmission assembly.
  • a parallel-axis star gear reducer using a double-row star gear transmission assembly and a cylindrical gear is used in parallel.
  • a single-row star gear transmission assembly and a cylinder may be used as required.
  • the gears are connected in parallel to form a set-type parallel shaft star gear reducer, as shown in FIG. 2.
  • the parallel shaft star gear reducer is a combination of a double-row star gear transmission component and a cylindrical gear in parallel.
  • the reducer uses a split casing.
  • the double-row star gear transmission component consists of two internal gears (46), four with the same technical parameters.
  • Planetary gears (2) with the same technical parameters, n rows of rolling star wheels (4), an input shaft (43) equipped with two eccentric sleeves (5), bearing housings (42) at both ends of the input shaft, and ( 48), composed of n supporting shafts (7) and supporting discs (6), (8), (9), and integrally connected with the main planetary carrier and external gear (40), as shown in FIG. 1
  • the difference is that the outer ring gear (40) is added to the double-row star gear transmission assembly, and both internal gears are fastened in the inner hole of the ring gear (40).
  • the second difference is the front and rear support discs of the planet carrier ( 8) and (9) are fastened to the machine base (54) by the flat key (41) and bolts;
  • the third difference is that the input shaft is a solid shaft;
  • the fourth difference is the front and rear bearing housings (45 ) And the internal gear (46) are fastened to the two ends of the ring gear (40) at the same time by bolts, and the bearing housing (45) is rotatably mounted through a rolling bearing.
  • the second part of the present invention is composed of cylindrical gears (53), flat keys (52), bearings (51), retaining rings (49), and hollow (solid shafts can also be used) output shafts and other major components; the present invention is This works: when the input shaft (43) rotates, the two eccentric sleeves (5) are driven to rotate, and the two eccentric sleeves simultaneously move the four planetary gears (2) through the four rolling bearings mounted on the eccentric crank.
  • the bearings of both ends of the n rolling star wheels are set in the bearing holes of the three supporting discs (6), (8) and (9), and the supporting discs are fixed. Therefore, the four planetary gears can only push the rolling star wheels to rotate.
  • the planetary gear can only revolve but cannot rotate.
  • the planetary gear meshes with the internal gear and pushes the internal gear for rotation. Because the internal gear (46) is tightly connected with the ring gear (40), the ring gear ( 40) Drive the cylindrical gear (53) to rotate in the reverse direction, and the cylindrical gear drives the hollow output shaft (50) to rotate through the flat key (52), thereby outputting the decelerated motion.
  • the present invention can also adopt a single-row star gear transmission assembly and a cylindrical gear in parallel to form a parallel shaft star gear reducer.
  • the parallel shaft reducer used to replace a three-stage or more cylindrical gear transmission with a transmission ratio of 22.4 ⁇ 100 or more can reduce the volume and weight by more than 25%.
  • the parallel shaft star gear reducer overcomes the shortcomings of the standard star gear reducer which is inconvenient to adopt a hollow output shaft package structure. 4.
  • n star gear transmission components with the same technical parameters are evenly distributed on the circumference with the center distance A as the radius, and its ring gear meshes with the cylindrical gear that can float at the same time (floating mechanism).
  • its output torque can be increased by (0.75 ⁇ 1) n times; on the contrary, with the star gear transmission component as the center, n cylindrical gears with the same technical parameters are evenly distributed on the circumference with the center distance A as the radius. At the same time, it meshes with the ring gear of the star gear transmission assembly to form a parallel shaft star gear reducer with n output shafts.
  • This embodiment is a star-wheel reducer using a star-wheel transmission component.
  • a single-row star-wheel transmission component is combined into a universal star-wheel reducer, and a double-row star-wheel transmission component can also be combined into a universal star-wheel reducer.
  • Two technical parameters combined by a double-row star wheel transmission assembly can be used The same number of star gear reducers are connected in series at the input of the reducer.
  • a star gear reducer composed of a single row of star gear transmission components with the same technical parameters is connected in parallel, and then two sets of gear reducers are connected in parallel through the bridge gear.
  • a double-in and double-out star wheel reducer is assembled, as shown in FIG. 3.
  • Double-in and double-out star gear reducer is a star gear reducer combined with a double-row star gear transmission assembly. It consists of two internal gears (68), four planetary gears (67), and double-row n rolls. Star wheel (4), two eccentric sleeves (5) mounted on the input shaft (69), and three support disks (60), (62) and (65) fastened by n support shafts (61) The integrated planetary carrier and other major components are combined; the planetary carrier front support plate (62) and the output shaft (64) are firmly connected, and the front support plate (62) and the rear support plate (60) are supported by rolling bearings. In the inner hole of the casing, the two internal gears have the same technical parameters and are fixed to the casing.
  • the four planetary gears (67) have the same technical parameters. They are rotatably mounted on the four eccentric cranks of the two eccentric sleeves through rolling bearings.
  • the rolling bearings on the rows of n rolling star wheel cranks are set in the planetary gear shaft holes, and the rolling bearings at both ends are respectively set in the bearing holes of the front and rear support disks and the intermediate support disk (65).
  • the n support shafts (61) pass through four d x perforations planet gears, and the n-th rolling double star wheel are staggered
  • the reducer works as follows: When the input shaft (69) rotates, the four planetary gears are simultaneously moved by the rolling bearings on the eccentric sleeve (5), and the four planetary gears are symmetrically 180 ° and mesh with the internal gear (68). Because the internal gear is fixedly connected to the casing, the planetary gear performs both revolutions and rotations under the combined action of the eccentric sleeve (5) and the internal gears (68), and promotes n rows of rolling star wheels for revolutions and rotations.
  • the planetary gears propel the planet carrier for rotation through the n rolling star wheels, and the front supporting disc of the planet carrier is tightly coupled with the output shaft (64). Then the planet carrier pushes the output shaft to output the decelerated motion.
  • a high-speed end of the reducer is connected in series with a star-wheel reducer using a single-row star-wheel transmission assembly, which is composed of an internal gear (70), a planetary gear (71), a rolling star gear (4), an eccentric sleeve (5), and an input shaft ( 74), front support plate (76), support shaft (77), rear support plate (75) and other major components are combined;
  • a high-speed reducer works as follows: the input shaft (74) is connected to the motor, and when the motor starts The input shaft (74) pushes the two planetary gears (71) through the rolling bearing on the eccentric sleeve crank, because they are evenly distributed on the diameter Dz .
  • the technical parameters of the two low-speed star gear reducers used to form a double-in and double-out star gear reducer are the same; the technical parameters of the same two high-speed star gear reducers are also the same.
  • the invention is mainly used for driving two binding rollers of a plate rolling machine, two output shafts (64) are connected to the plate rolling machine rollers through a coupling, and two input shafts (74) have the same technical parameters through a coupling.
  • the motor shaft extension is connected (not shown in the figure).
  • the two sets of reducers are connected in parallel through the gear (79) and the bridge gear (78) to complete the machine.
  • the two output shafts (64) are controlled to rotate forward and backward frequently in the same direction, thereby driving the two tying rollers (not shown in the figure) to synchronize forward and reverse, and frequently reciprocate the left and right steel plates,
  • the shape of the steel plate is gradually changed, but in the process of making the steel plate, the two output shafts exchange to bear the maximum load torque, so the power of the two motors, through the gears (79) and (78), exchanges the flow to the low speed that bears the maximum load torque.
  • Grade star wheel reducer to meet the requirements of the two output shafts can exchange to withstand the maximum load torque.
  • the invention has designed a series of double-inlet and double-outlet star wheel reducer products with a transmission ratio of 1:
  • the low-speed stage star gear reducer and the high-speed stage star gear reducer are respectively designed with a single-stage transmission star gear reducer series product.
  • Star wheel reducer series there is a star wheel reducer series with a transmission ratio expansion mechanism in series at the input end of the low-speed star wheel reducer;
  • the product of the invention has small volume, light weight, large carrying capacity, high efficiency and workability Relying on the significant advantages of high standardization and generalization.
  • This embodiment is a star wheel speed governor using a star wheel transmission assembly, and a low-speed output star wheel speed governor composed of a parallel combination of a dual-row star wheel transmission assembly and a dual-row planetary gear transmission unit is shown in FIG. 4 As shown. Comparing FIG. 4 with FIG. 2, the double-row star gear transmission assembly used is the same, except that the double-row star gear transmission assembly shown in FIG. 4 is connected to the ring gear ( 86) The two parts are meshed in parallel, and the main motor power and the control motor power are parallel input. It is suitable for high-powered star speed governor (the motor is not shown in the figure). The double-row planetary gear transmission unit is driven by the input shaft.
  • (80) are combined into a single planetary carrier and main parts such as bearing blocks (81), (95), (94); the input shaft (82) is supported on the bearing block (94) and the support plate ( In the inner hole of 80), the front support plate (90) and the rear support plate (80) are mounted on the bearing seat (81) through rolling bearings. And (95), the bearing housings (81) and (95) are fastened to the split housing (83), and the ring gears (86) have end covers (88) at both ends that are rotatably installed. On the cylinders of the bearing housings (95) and (81), the front support disc (90) is fastened to the output shaft (98) by means of a flat key (93).
  • a flat key 93
  • the invention works like this-it is driven by two motors, the input shaft (43) is connected to the control motor M ⁇ (not shown in the figure), the control motor is usually a low-voltage low-power motor; the input shaft (82) is connected to the main power motor M is connected (not shown in the figure).
  • the main power motor M is usually a high-voltage and high-power motor.
  • the control motor M K drives the input shaft (43) to rotate.
  • the double crank eccentric sleeve (5) simultaneously drives the four planetary gears (2) through rolling bearings.
  • the planetary gears make revolutions under the combined action of the planetary carrier and the eccentric sleeve (5), and push the rolling star wheel ( 4)
  • the planetary gear meshes with the internal gear (46), and the internal gear (46) is tightly coupled with the ring gear (40), thus pushing the ring gear (40) to slow down
  • the ring gear (40) meshes with the ring gear (86), so that the ring gear (86) is driven to rotate at a slow speed.
  • the ring gear (87) drives the planetary gear ( 97) Make revolution and rotation movement around the sun gear (91), and drive the output shaft (98) for decelerating rotation movement through the force transmission shaft (96) and the support plate (90), and the output shaft obtains a regulated speed n d;
  • the main power motor M drives the main power input shaft (82) to rotate.
  • the input shaft (82) is driven by an external gear ( 92) Drive the sun gear (91) to rotate, the sun gear meshes with the planetary gear (97), and drive the planetary gear to orbit and rotate around the ring gear (87), and its orbital motion drives the planet carrier through the force transmission shaft (96) Rotate the output shaft (98) to obtain an intermediate working speed n H;
  • the main power motor M continues to drive the input shaft (82) to rotate, without stopping the motor, start the control motor M ⁇ and the main power motor. M Rotate in the same direction, output shaft (98) Another working speed n f is obtained .
  • a high-speed motor can be used to replace a low-speed motor with a lot of consumables used to drive equipment such as water pumps, and the high-speed motor can be realized by reducing the speed of the high-speed motor through a star wheel governor Speed-adjusting operation not only saves a lot of motor materials, but also achieves the purpose of saving electrical energy by speed-adjusting.
  • the low-speed output shaft of the present invention can be connected in series with a large speed reducer or a large speed increaser.
  • the main motor power of the present invention can reach a maximum of 10,000 kW.
  • This embodiment is a star gear governor using a star gear transmission assembly.
  • a double-row star gear transmission assembly and a double-row planetary gear transmission unit are combined in series to form a low symmetrical 180 ° arrangement of the main motor input shaft and the control motor input shaft.
  • the star speed governor with speed output is shown in Figure 5.
  • the main differences shown in Figure 5 and Figure 4 are: The double-row star gear transmission assembly is combined with the double-row planetary gear drive unit in series through the internal gears (103) and (110) to regulate the motor!
  • ⁇ (not shown in the figure) is connected to the input shaft (100), the main power motor is connected to the input shaft (116) through a coupling, the main power input shaft (116) and the regulated power input shaft (100) are symmetrical 180 ° Arrangement; speed-adjusted working speeds n d , n H , n f , n g are output through external splines (118) on the support plate (117) of the planetary gear transmission unit; Fixing is through the rear support plate
  • the present invention works as follows: when the main power input shaft (116) is braked, and the starter control motor M ⁇ drives the input shaft (100) to rotate, the four planetary gears (2) are simultaneously pushed by the rolling bearings on the crank through the eccentric sleeve (5) The movement of the planetary carrier is fixed because the supporting discs (104), (6), (102) and n supporting shafts (7) are fastened. Therefore, the planetary gear only works under the combined action of the planetary carrier and the eccentric sleeve. Can make orbital motion and push the rolling star wheel (4) for rotation, planetary gear and internal gear
  • the internal gear (103) meshes, thereby pushing the internal gear to perform a slow rotation motion.
  • the internal gear (103) is fastened into the internal gear (110) by bolts (106) and bearing housings (105) and (107), thereby driving the internal gear.
  • the gear (110) rotates slowly. Because the sun gear (114) is fixed, the internal gear (110) drives the planet gear (120) to rotate and orbit around the sun gear (114).
  • the planet gear (120) can be rotated through a rolling bearing.
  • This embodiment is a star-wheel speed governor using a star-wheel drive component.
  • a single-row star-wheel drive component and a single-row planetary gear unit are combined in parallel to form a commonly-used low-speed output star-wheel speed governor, as shown in FIG. 6.
  • It is a commonly used low-speed star speed governor that uses a single-row planetary gear assembly and a single-row planetary gear unit in parallel. Its working principle is exactly the same as that shown in FIG. 4.
  • the planetary gear unit consists of an input shaft (143), a floating sun gear (140), a planet gear (138), an internal gear (137), and a planet carrier (142 ), Two end caps (141), and output shaft (139) are combined; similarly, the low-speed output shaft (139) of the present invention can be connected in series with either a heavy-duty transmission reducer or a speed increaser.
  • the main motor M rotates continuously during the operation of the present invention, and the method for obtaining various output speeds by controlling and controlling the rotation and speed of the
  • the advantages of the invention are: 1.
  • the application range is wide, the maximum power of the main motor can reach more than 5000kW, not only can be used for low-speed water pump speed control operation, but also often used for low-speed and heavy-load mechanical speed control operation.
  • the output shaft (139) speed increaser in series It can be widely used in high-speed water pumps, fans and other equipment for speed regulation operation.
  • the star wheel transmission component series and load capacity are designed to match it.
  • the planetary gear unit series can be combined into a wide range of star speed governor series. Series products have high standardization and generalization, and other advantages are shown in Figure 4.
  • This embodiment is a star wheel governor using a star wheel transmission assembly.
  • a single-row star wheel transmission assembly is used in parallel with a planetary gear transmission unit with a high speed output to form a commonly used star wheel speed governor with a high speed output, such as Figure 7 shows.
  • It is a high-speed output star-wheel governor, which is a combination of the standardized and universal single-row star gear transmission assembly shown in Figure 6 and the standardized and general-purpose high-speed output planetary gear transmission unit.
  • the planetary gear transmission unit consists of a main power input shaft (156), a sun gear (153), a planetary gear (154), a rotatable internal gear (155), an outer ring gear (144), a front and rear end cover (150), and a planet
  • the frame (151), fixed internal gear (145), planetary gear (146), sun gear (147), and output shaft (148) are combined; the main technical features are: the planetary gear transmission unit contains two sets
  • the planetary gear transmission mechanism is composed of a sun gear (153), a planet gear (154), an internal gear (155), and the like for speed adjustment. Its function is similar to that of the planetary gear transmission unit shown in FIG. 4 and FIG. 6. It is the same; the planetary gear transmission speed increasing mechanism is composed of the sun gear (147), the planet gear (146), and the fixed internal gear (145); its speed increasing ratio
  • the invention is mainly used for speed regulating operation of high-speed water pumps, fans and other fluid conveying equipment, and the average power saving rate can reach more than 20%.
  • a prominent feature of the present invention is that the rotation speed of working equipment such as water pumps and fans is not restricted by the rotation speed of the main motor within a certain range, and the speed of the equipment can be adjusted to a direction where the rotation speed of the motor is low.
  • Directional speed regulation is not only for setting
  • the design department of the design department has created the conditions for the optimal speed of the equipment, and it is helpful for the user to reasonably configure the equipment.
  • the invention can also be used in other mechanical transmission fields. The rest is described in FIG. 6.
  • This embodiment is a star-wheel speed governor using a star-wheel transmission component.
  • a single-row star-wheel transmission component and a single-row planetary gear transmission unit are combined in series to form two commonly used input shafts.
  • the 180 ° starwheel governor with low speed output is shown in Figure 8. It is a star-wheel governor with an input shaft symmetry of 180 ° arranged by combining the speed governor shown in Figure 5 with a double-row star gear transmission assembly and a double-row planetary gear transmission unit into a single-row structure.
  • the working principle is shown in Figure 5. 5 stated.
  • the single-row star wheel transmission assembly of the present invention is supported by a regulated power input shaft (160), an eccentric sleeve (5), a planetary gear (2), a rolling star wheel (4), and front and rear support discs (162), (161), and supports.
  • the shaft (163) is firmly combined with the planet carrier and the rotatable internal gear (1) and other major components;
  • the single-row planetary gear transmission unit of the present invention is composed of a main power input shaft (167), a sun gear (168), The planetary gear (171), the internal gear (172), and the planet carrier (170) are combined.
  • the speed-adjusted movement is output by the spline (169) on the front support plate (170) of the planet carrier; two The internal gears (1) and (172) of the components are tightly coupled; the speed regulation method and working principle of the present invention are described in FIG. 5.
  • the structural feature of the present invention is that it adopts an integral casing, and the two components are directly connected through two internal gears, thereby eliminating the processing of the large-sized external gears (135) and (136) shown in FIG.
  • the present invention is mainly used for speed-adjusting operation of mechanical equipment such as horizontal mills and vertical mills, and speed-adjusting operation of fluid conveying equipment such as water pumps and wind turbines, and the others are described in FIGS. 4 and 5 and 6.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
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Abstract

L'invention se rapporte à un type de réducteur de vitesse ou à un dispositif de variation de vitesse présentant un ensemble de roue motrice-roue dentée. L'invention est constituée d'une rangée simple ou double d'ensembles roue motrice-roue dentée connectés avec une rangée simple ou double de mécanismes de train planétaire à haute vitesse. Le couple maximum d'un tel réducteur de vitesse peut atteindre 7840 KN-m. Grâce au dispositif de variation de vitesse de cette invention, il est possible de commander un équipement à puissance élevée et à haute tension avec un moteur de commande d'une petite puissance. Le dispositif de cette invention présente les avantages suivants: forte charge, structure compacte, fonctionnement sans à-coups, entretien aisé, longue durée de vie et haute efficacité. Il peut être utilisé comme réducteur de vitesse de roue motrice-roue dentée dans une machine lourde de type racloir, dans un équipement de transport de fluide, comme par exemple une pompe ou un système de type soufflante.
PCT/CN2001/001165 2001-07-09 2001-07-09 Type de reducteur de vitesse ou dispositif de variation de vitesse presentant un ensemble de roue motrice-roue dentee WO2003006845A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN01815956.7A CN1262772C (zh) 2001-07-09 2001-07-09 一种采用星轮传动组件的星轮减速器
PCT/CN2001/001165 WO2003006845A1 (fr) 2001-07-09 2001-07-09 Type de reducteur de vitesse ou dispositif de variation de vitesse presentant un ensemble de roue motrice-roue dentee

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PCT/CN2001/001165 WO2003006845A1 (fr) 2001-07-09 2001-07-09 Type de reducteur de vitesse ou dispositif de variation de vitesse presentant un ensemble de roue motrice-roue dentee

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Cited By (8)

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CN102168740A (zh) * 2010-12-28 2011-08-31 哈尔滨国海星轮传动有限公司 混凝土搅拌运输车专用齿轮箱
EP2381130A3 (fr) * 2010-04-23 2012-01-25 Jtekt Corporation Appareil de changement de vitesse
CN107575541A (zh) * 2017-09-08 2018-01-12 重庆清平机械有限责任公司 具少齿差减速机构的行星减速器
CN107725712A (zh) * 2017-09-14 2018-02-23 李云峰 一种往复‑旋转运动转换机构及其水泵
CN109899478A (zh) * 2019-04-11 2019-06-18 湖北恒欣传动设备股份有限公司 一种高精度行星少齿差双差速减速机构
CN110878816A (zh) * 2019-12-11 2020-03-13 西安航天精密机电研究所 一种单/双输入双输出行星齿轮减速器
CN110905975A (zh) * 2019-12-11 2020-03-24 西安航天精密机电研究所 一种多速比复合输出减速器
CN113374834A (zh) * 2021-07-16 2021-09-10 中国科学院合肥物质科学研究院 一种液压驱动机器人关节无级变速装置

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CN101294618B (zh) * 2007-04-24 2011-10-19 周干绪 行星调速器
CN104196989A (zh) * 2014-08-06 2014-12-10 吴小杰 夹层水冷箱体锌基合金轴承支承之星轮减速箱
CN104235274A (zh) * 2014-09-02 2014-12-24 南京捷力齿轮箱技术有限公司 多用途齿轮箱
CN113339473B (zh) * 2021-05-25 2024-07-05 湖北斯微特传动有限公司 用于转盘精确定位的周期性变速装置

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US4841810A (en) * 1986-07-31 1989-06-27 Lew Hyok S Dual orbiting gear planetary drive
US5322485A (en) * 1991-12-24 1994-06-21 Sumitomo Heavy Industries Ltd. Internally meshing planetary gear structure
CN1166578A (zh) * 1996-05-29 1997-12-03 湖南省机械研究所 一种新结构的星轮减速器和变速器
CN1232146A (zh) * 1998-04-14 1999-10-20 周干绪 多功能星轮减速器
CN2429688Y (zh) * 1999-11-22 2001-05-09 胡瑞生 多动力并联装置

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2381130A3 (fr) * 2010-04-23 2012-01-25 Jtekt Corporation Appareil de changement de vitesse
US8152676B2 (en) 2010-04-23 2012-04-10 Jtekt Corporation Speed change gear
CN102168740A (zh) * 2010-12-28 2011-08-31 哈尔滨国海星轮传动有限公司 混凝土搅拌运输车专用齿轮箱
CN107575541A (zh) * 2017-09-08 2018-01-12 重庆清平机械有限责任公司 具少齿差减速机构的行星减速器
CN107725712A (zh) * 2017-09-14 2018-02-23 李云峰 一种往复‑旋转运动转换机构及其水泵
CN107725712B (zh) * 2017-09-14 2023-12-08 襄阳涌盛星水泵有限公司 一种往复-旋转运动转换机构及其水泵
CN109899478A (zh) * 2019-04-11 2019-06-18 湖北恒欣传动设备股份有限公司 一种高精度行星少齿差双差速减速机构
CN109899478B (zh) * 2019-04-11 2024-05-03 深圳市金鸿达传动设备有限公司 一种高精度行星少齿差双差速减速机构
CN110878816A (zh) * 2019-12-11 2020-03-13 西安航天精密机电研究所 一种单/双输入双输出行星齿轮减速器
CN110905975A (zh) * 2019-12-11 2020-03-24 西安航天精密机电研究所 一种多速比复合输出减速器
CN113374834A (zh) * 2021-07-16 2021-09-10 中国科学院合肥物质科学研究院 一种液压驱动机器人关节无级变速装置
CN113374834B (zh) * 2021-07-16 2024-02-23 中国科学院合肥物质科学研究院 一种液压驱动机器人关节无级变速装置

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