CN113280089B - Rear-mounted speed reduction speed regulation formula permanent magnet coupler - Google Patents

Rear-mounted speed reduction speed regulation formula permanent magnet coupler Download PDF

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Publication number
CN113280089B
CN113280089B CN202110693431.0A CN202110693431A CN113280089B CN 113280089 B CN113280089 B CN 113280089B CN 202110693431 A CN202110693431 A CN 202110693431A CN 113280089 B CN113280089 B CN 113280089B
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CN
China
Prior art keywords
box body
gear
oil
permanent magnet
output shaft
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Application number
CN202110693431.0A
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Chinese (zh)
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CN113280089A (en
Inventor
黄忠念
王琪华
陈维平
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Nanjing Magnet Intelligent Technology Co ltd
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Nanjing Magnet Intelligent Technology Co ltd
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Publication of CN113280089A publication Critical patent/CN113280089A/en
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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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/70—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/002—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having teeth movable out of mesh
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/724—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously using external powered electric machines
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
    • 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
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
    • F16H57/0404—Lubricant filters
    • 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
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0412—Cooling or heating; Control of temperature
    • F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
    • 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
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0412—Cooling or heating; Control of temperature
    • F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
    • F16H57/0417—Heat exchangers adapted or integrated in the gearing
    • 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
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/042—Guidance of lubricant
    • F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
    • F16H57/0423—Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes
    • 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
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
    • 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
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0456—Lubrication by injection; Injection nozzles or tubes therefor
    • 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
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/048—Type of gearings to be lubricated, cooled or heated
    • F16H57/0482—Gearings with gears having orbital motion
    • F16H57/0484—Gearings with gears having orbital motion with variable gear ratio or for reversing rotary motion
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/32—Electric motors actuators or related electrical control means therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
    • H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02008—Gearboxes; Mounting gearing therein characterised by specific dividing lines or planes of the gear case
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Retarders (AREA)

Abstract

The invention discloses a rear-mounted speed-reducing and speed-regulating type permanent magnet coupler, which comprises a box body, a permanent magnet coupler and a speed reducer, wherein the box body comprises a lower box body and an upper box body, a partition plate is arranged in each of the lower box body and the upper box body, the lower box body and the upper box body are respectively internally divided into a coupler installation part and a speed reducer installation part through the partition plate, the permanent magnet coupler is fixedly installed on the coupler installation parts in the lower box body and the upper box body, an input shaft of the permanent magnet coupler is exposed out of the box body, an output shaft of the permanent magnet coupler extends into the speed reducer installation parts in the lower box body and the upper box body, the speed reducer is fixedly installed in the speed reducer installation parts in the lower box body and the upper box body, and the speed reducer is movably connected with the output shaft of the permanent magnet coupler; the transmission ratio of the output shaft of the permanent magnet coupler is difficult to adjust in general, and the transmission ratio of the output shaft of the permanent magnet coupler is controlled through the speed reducing device.

Description

Rear-mounted speed reduction speed regulation formula permanent magnet coupler
Technical Field
The invention relates to the field of mechanical transmission, in particular to a rear speed-reducing and speed-regulating permanent magnet coupler.
Background
At present, in the industries of steel, cement, petrifaction and electric power, a circulating fan system formed by a part of high-power motors, a speed reducer and a centrifugal fan is installed, the general power is relatively high, the motor power is generally 1000 kW-6300 kW, due to the requirements of efficiency, investment and engineering construction, the general motors are all 4-level motors, the synchronous rotating speed is 1500r/min, the rated rotating speed of the general fan is 730r/min, and the rotating speed of the corresponding 8-level motors is reduced through the 1:2 speed reducer. When the speed-regulating permanent magnet coupler is selected for speed regulation, the alternative scheme comprises the following steps of adopting a general speed-regulating permanent magnet coupler to be matched with 1: a scheme of a speed reducer. However, the scheme has the defects of large installation occupation, complex cooling and lubricating system, inconvenient operation and maintenance, low working efficiency, large investment and the like.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the rear speed reduction and speed regulation type permanent magnet coupler, which has the advantages of compact structure, small installation occupation, centralized lubrication, simple and reliable cooling and lubrication system, convenient operation and maintenance, high working efficiency, lower investment and the like.
In order to solve the technical problems, the technical scheme of the invention is realized by the following steps: the utility model provides a rear-mounted speed reduction formula permanent magnet coupler, which comprises a box body, the permanent magnet coupler, decelerator and pump oil cooling device, the box includes lower box and last box, all be equipped with a baffle in lower box and the last box, lower box and last box all divide into coupler installation department and decelerator installation department with self inside through the baffle, the permanent magnet coupler is fixed mounting in the coupler installation department of lower box and last box, the input shaft of permanent magnet coupler exposes the box, the output shaft of permanent magnet coupler stretches into the decelerator installation department in lower box and the last box, decelerator fixed mounting is in the decelerator installation department in lower box and the last box, and decelerator and the output shaft swing joint of permanent magnet coupler, pump oil cooling device sets up in the decelerator installation department;
The speed reducer comprises a circular fixing disc, a first needle bearing, a triangular fixing disc, a second needle bearing, three gear shafts, a gear ring fixing frame, six third needle bearings, six locking bolts, six planetary gears, a sun gear, a U-shaped support, a screw rod, a servo motor, a speed reducing output shaft and two fourth needle bearings, wherein one end of the circular fixing disc in the thickness direction is provided with a first circular through hole, the axis of the first circular through hole coincides with the axis of the circular fixing disc, one end of the circular fixing disc in the thickness direction is provided with a first annular boss in an outward forming manner along the edge of the first circular through hole, one end of the first annular boss, close to the circular fixing disc, is provided with a first limiting step, one end of the triangular fixing disc in the thickness direction is provided with a second circular through hole, the center of the circle of the second circular through hole is located in the geometric center of one end of the triangular fixing disc in the thickness direction, one end of the triangular fixing disc in the thickness direction is provided with a second annular boss in an outward forming manner along the edge of the second circular through hole, one end of the second annular boss, close to the first annular boss in the thickness direction is provided with a second annular boss, and the second annular boss is provided with a second limiting boss; the two ends of the U-shaped bracket are respectively provided with a first fixing seat and a second fixing seat, the lower end of the first fixing seat is provided with a first fixing clamp, the first fixing seat and the first fixing clamp are respectively provided with a first semicircular mounting groove formed inwards, the first semicircular mounting grooves on the first fixing seat and the first fixing clamp are combined into a rounding groove, the lower end of the second fixing seat is provided with a second fixing clamp, the second fixing seat and the second fixing clamp are respectively provided with a second semicircular mounting groove formed inwards, and the second semicircular mounting grooves on the second fixing seat and the second fixing clamp are combined into a rounding groove;
The middle section of each gear shaft along the length direction is provided with a first boss which is formed outwards, three groups of six planetary gears are divided into two groups of gear sets, three planetary gears in each group of gear sets are respectively arranged on the three gear shafts, the two groups of gear sets are respectively positioned at two sides of the first boss, the planetary gears and the gear shafts synchronously rotate through the matching of keys and key grooves, six locking bolts are respectively arranged on the three gear shafts, two ends of each gear shaft along the length direction are respectively provided with a locking bolt, and each locking bolt is respectively clung to the corresponding planetary gear; two ends of each gear shaft in the length direction are outwards formed with a second boss, every two groups of six third needle bearings are divided into three groups, every two groups of two third needle bearings are respectively arranged on the second bosses at two ends of the gear shafts, one end of each circular fixing disc, which is far away from the first annular boss in the thickness direction, is provided with three inwards formed first bearing grooves, the three first bearing grooves are uniformly distributed in the circumferential direction, the three gear shafts are arranged side by side, the third needle bearings at the same end of each of the three gear shafts are respectively embedded into the three first bearing grooves, three vertex angles at one end of each triangular fixing disc, which is far away from the second annular boss in the thickness direction, are respectively provided with three inwards formed second bearing grooves, and the third needle bearings at the other ends of the three gear shafts are respectively embedded into the three second bearing grooves; the first needle bearing is sleeved on the first annular boss and is propped against the first limit step, the second needle bearing is sleeved on the second annular boss and is propped against the second limit step, the first needle bearing is embedded into the first semicircular mounting groove on the first fixing seat and the first fixing card, and the second needle bearing is embedded into the second semicircular mounting groove on the second fixing seat and the second fixing card;
The output shaft of the permanent magnet coupler passes through the first circular through hole, and the axis of the output shaft of the permanent magnet coupler coincides with the axis of the first circular through hole;
The gear ring fixing frame is fixedly arranged on the partition plate, the gear ring is fixedly arranged on the gear ring fixing frame, the axis of the gear ring is coincident with the axis of the output shaft of the permanent magnet coupler, the sun gear is fixedly arranged on the output shaft of the permanent magnet coupler, the sun gear and the output shaft of the permanent magnet coupler synchronously rotate through the cooperation of keys and key grooves, the sun gear is in meshing fit with the six planetary gears, and the six planetary gears are in meshing fit with the gear ring;
A third semicircular mounting groove is formed outwards on one side wall, far away from the coupler mounting part, of each of the lower box body and the upper box body, the third semicircular mounting grooves on the lower box body and the upper box body are combined to form a rounding groove, a fourth semicircular mounting groove is formed on one side wall, far away from the speed reducer mounting part, of each of the third semicircular mounting grooves along the axial direction, and the fourth semicircular mounting grooves on the lower box body and the upper box body are combined to form a rounding groove; the middle section of the speed reduction output shaft along the length direction is provided with a third boss, two fourth needle bearings are sleeved on the speed reduction output shaft, the two fourth needle bearings are respectively positioned at two sides of the third boss, the two fourth needle bearings are respectively embedded into a third semicircular mounting groove arranged on the lower box body, the two fourth needle bearings respectively abut against two side ends of the third semicircular mounting groove along the length direction, one end of the speed reduction output shaft is positioned in the speed reduction device mounting part, one end of the speed reduction output shaft is exposed out of the box body, one end of the speed reduction output shaft positioned in the speed reduction device mounting part is provided with a tooth-shaped groove, the tooth-shaped groove is meshed and matched with the tooth-shaped boss, and the speed reduction output shaft is in sliding connection with the triangular fixed disc; a first oil seal ring is arranged on one side of the speed reduction output shaft along the length direction, and is embedded into a fourth semicircular mounting groove on the lower box body;
The upper wall inside the upper box body is internally provided with a rectangular sliding groove in an inward forming manner, one end of the rectangular sliding groove, which is far away from the coupler installation part, along the length direction is provided with a through hole penetrating through the upper box body, the side wall outside the upper box body is provided with a sealing ring groove corresponding to the through hole, one end of the screw rod penetrates through the through hole and is rotationally connected with one end, far away from the sealing ring groove, of the rectangular sliding groove through a fifth bearing, the servo motor is fixedly arranged on the side wall outside the upper box body, an output shaft of the servo motor extends into the through hole and is connected with the other end of the screw rod, the output shaft of the servo motor is also provided with a second oil seal ring, and the second oil seal ring is embedded into the sealing ring groove;
The middle section of the U-shaped support is provided with two rectangular sliding blocks in an outward molding mode, the rectangular sliding blocks are arranged far away from two ends of the U-shaped support, the rectangular sliding blocks are arranged on the screw rod in a sliding mode through threaded matching, and the rectangular sliding blocks are in sliding fit with the rectangular sliding grooves.
According to the invention, the rotating speed of the output shaft of the permanent magnet coupler is reduced by matching the two sets of gear sets with the sun gear, and the two sets of gear sets are alternately matched with the sun gear by matching the screw rod, the servo motor and the U-shaped bracket, so that the heat dissipation of the gear sets is facilitated, the service life is prolonged, and the gear sets are circularly irrigated by cooling oil in the installation part of the speed reducing device by the aid of the oil pumping cooling device, so that heat generated during the working of the gear sets is further taken away, and the abrasion during the working of the gear sets is reduced.
The technical scheme of the invention is as follows:
The pump oil cooling device comprises two oil inlets, a plurality of oil nozzles, a first pipe joint, an oil pump motor, a filter, a plate-type oil cooler and a second pipe joint; the oil pump motor, the filter, the plate-type oil cooler and the second pipe joint are all arranged on the side wall outside the lower box body, an oil drain port of the oil pump motor is connected with an inlet of the filter through a copper pipe, an outlet of the filter is connected with an oil inlet of the plate-type oil cooler through a copper pipe, an oil outlet of the plate-type oil cooler is connected with one end of the second pipe joint through a copper pipe, the other end of the second pipe joint penetrates through the side wall of the lower box body and stretches into the lower box body, a plurality of oil nozzles are arranged on one side wall, away from a coupler installation part, inside a speed reducer installation part and corresponding to a gear ring, of the oil nozzle, and the plurality of oil nozzles are all connected with one end, stretching into the lower box body, of the second pipe joint through a copper pipe; through oil pump motor and oil feed mouth cooperation, pump the cooling oil pump in the decelerator installation department to the filter, impurity filtering in with the cooling oil through the filter, the rethread plate-type oil cooler takes away the heat of cooling oil, reduces the temperature of the cooling oil that flows through plate-type oil cooler, waters cooling oil on planetary gear and sun gear through a plurality of fuel sprayer is diversified to take away planetary gear and sun gear and the heat of ring gear, reduce wearing and tearing.
The servo motor and the oil pump motor are electrically connected with a controller, and an external power line is arranged on the controller; the start and stop of the servo motor and the oil pump motor are controlled by the controller, so that the operation is simple, convenient and easy.
Cooling oil is arranged in the lower box body; the temperature of the speed reducer is reduced by the cooling oil, and the abrasion of the speed reducer is reduced.
The thickness of the planetary gear in the axial direction is m, the thickness of the sun gear in the axial direction is n, the thickness of the gear ring in the axial direction is p, the thickness of the first boss in the axial direction is q, m=q, and n=p=2m; through the data relation that sets up, when making two sets of gear train alternate, two sets of gear train and sun gear and the different position meshing cooperation of ring gear to reduce the load of sun gear and ring gear working position, extension sun gear and ring gear's life.
The beneficial effects of the invention are as follows: according to the technical scheme, the speed reduction and speed regulation type permanent magnet coupler is arranged, the two groups of gear sets are matched with the sun gear, the rotation speed of an output shaft of the permanent magnet coupler is reduced, the two groups of gear sets are alternately matched with the sun gear through the arranged screw rod, the servo motor and the U-shaped bracket, the gear sets are convenient to dissipate heat, the service life is prolonged, cooling oil in the installation part of the speed reduction device is pumped to the filter through the oil pump motor and the oil inlet nozzle, impurities in the cooling oil are filtered through the filter, heat of the cooling oil is taken away through the plate-type oil cooler, the temperature of the cooling oil flowing through the plate-type oil cooler is reduced, and the cooling oil is poured on the planet gears and the sun gear in multiple directions through the plurality of oil nozzles, so that the heat of the planet gears, the sun gear and the gear ring gear is taken away, and abrasion is reduced; the start and stop of the servo motor and the oil pump motor are controlled by the controller, so that the operation is simple, convenient and easy; through the data relation that sets up, when making two sets of gear train alternate, two sets of gear train and sun gear and the different position meshing cooperation of ring gear to reduce the load of sun gear and ring gear working position, extension sun gear and ring gear's life.
Drawings
FIG. 1 is an axial view of the overall structure of the present invention;
FIG. 2 is an exploded view of a right front axial half cross-section of the reduction gear unit of the present invention;
FIG. 3 is an exploded view of a left rear axial half section of the reduction gear of the present invention;
FIG. 4 is a front view of the present invention;
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;
FIG. 6 is an enlarged view of a portion of FIG. 5 at B;
FIG. 7 is a top view of the reduction gear of the present invention;
Wherein: 1-permanent magnet coupler, 1 a-input shaft, 1 b-output shaft, 2-lower box, 3-upper box, 4-partition plate, 4 a-limit hole, 5-coupler installation part, 6-reduction gear installation part, 7-circular fixed disk, 7 a-first bearing groove, 7 b-first circular through hole, 7 c-first annular boss, 7 d-first limit step, 8-first needle bearing, 9-triangular fixed disk, 9 a-second bearing groove, 9 b-second circular through hole, 9 c-second annular boss, 9 d-second limit step, 9 e-tooth boss, 10-second needle bearing, 11-gear shaft, 11 a-first boss, 11 b-second boss, 12-ring gear, 13-ring gear fixing frame, 14-third needle bearing, 15-locking bolt, 16-planetary gear, 17-sun gear, 18-U-shaped bracket, 18 a-rectangular slide block, 19-servo motor, 21-reduction output shaft, 21 a-third boss, 21 b-fourth tooth groove, 22-fourth groove, 23-second groove, 25-third groove, 25-fourth groove, 25-third groove, 25-second groove, 30-groove, 25-third groove, 30-second groove, 30-groove, and fourth groove, 37-oil spray nozzle, 38-first pipe joint, 39-oil pump motor, 40-filter, 41-plate oil cooler, 42-second pipe joint, 43-controller.
Detailed Description
The following describes the technical solution in the embodiment of the present invention in detail with reference to the drawings in the embodiment of the present invention.
It is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with the interior of two elements, the specific meaning of the terms in this invention will be understood by those of ordinary skill in the art.
Examples
As shown in fig. 1,2 and 3, a rear speed-reducing and speed-regulating permanent magnet coupler comprises a box body, a permanent magnet coupler 1, a speed reducer and an oil pumping cooling device, wherein the box body comprises a lower box body 2 and an upper box body 3, a partition plate 4 is arranged in each of the lower box body 2 and the upper box body 3, the lower box body 2 and the upper box body 3 are internally divided into a coupler installation part 5 and a speed reducer installation part 6 through the partition plate 4, the permanent magnet coupler 1 is fixedly installed on the coupler installation parts 5 of the lower box body 2 and the upper box body 3, an input shaft 1a of the permanent magnet coupler 1 is exposed out of the box body, a coupler output shaft 1b of the permanent magnet coupler 1 extends into the speed reducer installation parts 6 in the lower box body 2 and the upper box body 3, the speed reducer is fixedly installed in the speed reducer installation parts 6 in the lower box body 2 and the upper box body 3, the speed reducer is movably connected with a coupler output shaft 1b of the permanent magnet coupler, the oil pumping cooling device is arranged in the speed reducer installation parts 6, cooling oil is arranged in the speed reducer installation parts 6, and the oil pumping cooling device is arranged in the speed reducer installation parts 6;
The speed reducer comprises a circular fixed disk 7, a first needle bearing 8, a triangular fixed disk 9, a second needle bearing 10, three gear shafts 11, a gear ring 12, a gear ring fixing frame 13, six third needle bearings 14, six locking bolts 15, six planetary gears 16, a sun gear 17, a U-shaped bracket 18, a screw rod 19, a servo motor 20, a speed reducing output shaft 21 and two fourth needle bearings 22, wherein one end of the circular fixed disk 7 in the thickness direction is provided with a first circular through hole 7b, the axis of the first circular through hole 7b coincides with the axis of the circular fixed disk 7, a first annular boss 7c is outwards formed at one end of the circular fixed disk 7 in the thickness direction along the edge of the first circular through hole 7b, a first limit step 7d is arranged at one end of the first annular boss 7c close to the circular fixed disk 7, a second circular through hole 9b is arranged at one end of the triangular fixed disk 9 in the thickness direction, the center of the second circular through hole 9b is positioned at the geometric center of one end of the triangular fixed disk 9 in the thickness direction, a second annular boss 9c is arranged at one end of the triangular fixed disk 9c close to the second annular boss 9e; the two ends of the U-shaped bracket 18 are respectively provided with a first fixed seat 23 and a second fixed seat 24, the lower end of the first fixed seat 23 is provided with a first fixed clamp 25, the first fixed seat 23 and the first fixed clamp 25 are respectively provided with a first semicircular mounting groove 26 formed inwards, the first semicircular mounting grooves 26 on the first fixed seat 23 and the first fixed clamp 25 are combined into a rounding groove, the lower end of the second fixed seat 24 is provided with a second fixed clamp 27, the second fixed seat 24 and the second fixed clamp 27 are respectively provided with a second semicircular mounting groove 28 formed inwards, and the second semicircular mounting grooves 28 on the second fixed seat 24 and the second fixed clamp 27 are combined into a rounding groove;
The middle section of each gear shaft 11 along the length direction is provided with a first boss 11a which is formed outwards, three groups of six planetary gears 16 are divided into two groups of gear groups, three planetary gears 16 in each group of gear groups are respectively arranged on the three gear shafts 11, the two groups of gear groups are respectively positioned on two sides of the first boss 11a, the planetary gears 16 and the gear shafts 11 synchronously rotate through the matching of keys and key grooves, when one side of the planetary gears 16 rotates, the other side of the planetary gears 16 are driven to synchronously rotate, and when the U-shaped bracket 18 slides, the planetary gears 16 which are not meshed with the gear rings 12 can seamlessly slide into the gear rings 12 and are meshed with the sun gears 17;
six locking bolts 15 are respectively arranged on the three gear shafts 11, two ends of each gear shaft 11 along the length direction are respectively provided with one locking bolt 15, each locking bolt 15 is respectively clung to the corresponding planetary gear 16, and the planetary gear 16 is axially fixed by the locking bolts 15; two ends of each gear shaft 11 along the length direction are provided with a second boss 11b in an outward forming mode, every two groups of six third needle bearings 14 are divided into three groups, every two groups of two third needle bearings 14 are respectively arranged on the second bosses 11b at two ends of the gear shafts 11, one end, far away from the first annular boss 7c, of each round fixing disc 7 along the thickness direction is provided with three first bearing grooves 7a which are formed inwards, the three first bearing grooves 7a are uniformly distributed along the circumferential direction, the three gear shafts 11 are arranged side by side, the third needle bearings 14 at the same end of each of the three gear shafts 11 are respectively embedded into the three first bearing grooves 7a, three apex angles of one end, far away from the second annular boss 9c, of each triangular fixing disc 9 are respectively provided with three second bearing grooves 9a formed inwards, the third needle bearings 14 at the other end of each of the three gear shafts 11 are respectively embedded into the three second bearing grooves 9a, and the third needle bearings 14 enable the gear shafts 11 to freely rotate between the round fixing discs 7 and the triangular fixing discs 9;
The first needle bearing 8 is sleeved on the first annular boss 7c and abuts against the first limiting step 7d, the second needle bearing 10 is sleeved on the second annular boss 9c and abuts against the second limiting step 9d, the first needle bearing 8 is embedded into the first semicircular mounting groove 26 on the first fixing seat 23 and the first fixing clamp 25, the second needle bearing 10 is embedded into the second semicircular mounting groove 28 on the second fixing seat 24 and the second fixing clamp 27, and the first fixing seat 23, the first fixing clamp 25, the second fixing seat 24 and the second fixing clamp 27 are matched to limit the circular fixing disc 7 and the triangular fixing disc 9 to axially slide.
As shown in fig. 2 and 3, the coupler output shaft 1b of the permanent magnet coupler 1 passes through the first circular via hole 7b, and the axis of the coupler output shaft 1b of the permanent magnet coupler 1 coincides with the axis of the first circular via hole 7 b.
The gear ring fixing frame 13 is fixedly arranged on the partition plate 4, the gear ring 12 is fixedly arranged on the gear ring fixing frame 13, the axis of the gear ring 12 is coincident with the axis of the coupler output shaft 1b of the permanent magnet coupler 1, the sun gear 17 is fixedly arranged on the coupler output shaft 1b of the permanent magnet coupler 1, the sun gear 17 and the coupler output shaft 1b of the permanent magnet coupler 1 synchronously rotate through the cooperation of keys and key grooves, the sun gear 17 and six planetary gears 16 are in meshed fit, and the six planetary gears 16 are in meshed fit with the gear ring 12; when the sun gear 17 rotates, a group of planetary gears 16 are driven to rotate, when the planetary gears 16 rotate, the planetary gears 16 are limited by the gear ring 12, the group of planetary gears 16 rotate at a uniform speed along the circumferential direction, meanwhile, the circular fixed disk 7 and the triangular fixed disk 9 are driven to rotate, the triangular fixed disk 9 and the speed reduction output shaft 21 synchronously rotate through meshing and matching of the tooth-shaped grooves 21b and the tooth-shaped bosses 9e, and then the triangular fixed disk 9 drives the speed reduction output shaft 21 to rotate when rotating.
As shown in fig. 1 and 4, a third semicircular mounting groove 29 is formed and formed outwards on one side wall, far away from the coupler mounting part 5, of the speed reducer mounting part 6 on the lower case 2 and the upper case 3, the third semicircular mounting groove 29 on the lower case 2 and the upper case 3 is combined into a circular groove, a fourth semicircular mounting groove 30 is formed on one side wall, far away from the speed reducer mounting part 6 along the axial direction, of the third semicircular mounting groove 29, and the fourth semicircular mounting groove 30 on the lower case 2 and the upper case 3 is combined into a circular groove; the middle section of the speed reduction output shaft 21 along the length direction is provided with a third boss 21a, two fourth needle bearings 22 are sleeved on the speed reduction output shaft 21, the two fourth needle bearings 22 are respectively positioned at two sides of the third boss 21a, the two fourth needle bearings 22 are respectively embedded into a third semicircular mounting groove 29 arranged on the lower box body 2, the two fourth needle bearings 22 respectively abut against two side ends of the third semicircular mounting groove 29 along the length direction, one end of the speed reduction output shaft 21 is positioned in the speed reduction device mounting part 6, one end of the speed reduction output shaft 21 is exposed out of the box body, one end of the speed reduction output shaft 21 positioned in the speed reduction device mounting part 6 is provided with a tooth-shaped groove 21b, the tooth-shaped groove 21b is meshed with the tooth-shaped boss 9e, and the speed reduction output shaft 21 is in sliding connection with the triangular fixed disc 9; a first oil seal ring 30a is arranged on one side of the speed reduction output shaft 21 along the length direction, the first oil seal ring 30a is embedded into a fourth semicircular mounting groove 30 on the lower box body 2, and the first oil seal ring 30a prevents cooling oil in the speed reduction device mounting part 6 from leaking outwards; the two fourth needle bearings 22 are matched with the speed reduction output shaft 21, and the two fourth needle bearings 22 are matched with the fourth semicircular mounting groove 30, so that the speed reduction output shaft 21 can be axially fixed, and the speed reduction output shaft 21 can rotate in the fourth semicircular mounting groove 30.
The upper wall inside the upper box body 3 is internally provided with a rectangular sliding groove 31 in an inward forming manner, one end of the rectangular sliding groove 31, which is far away from the coupler installation part 5 along the length direction, is provided with a through hole 32 penetrating through the upper box body 3, the side wall outside the upper box body 3 is provided with a sealing ring groove 33 corresponding to the position of the through hole 32, one end of the screw rod 19 penetrates through the through hole 32 and is rotationally connected with one end, far away from the sealing ring groove 33, of the rectangular sliding groove 31 through a fifth bearing 34, the servo motor 20 is fixedly arranged on the side wall outside the upper box body 3, an output shaft of the servo motor 20 extends into the through hole 32 and is connected with the other end of the screw rod 19, a second oil seal ring 35 is further arranged on the output shaft of the servo motor 20, the second oil seal ring 35 is embedded into the sealing ring groove 33, and the second oil seal ring 35 can prevent cooling oil in the speed reducer installation part 6 from being leaked outwards; the middle section of the U-shaped bracket 18 is provided with two rectangular sliding blocks 18a in an outward molding way, the rectangular sliding blocks 18a are arranged far away from two ends of the U-shaped bracket 18, the rectangular sliding blocks 18a are arranged on the screw rod 19 in a sliding way through threaded fit, and the rectangular sliding blocks 18a are in sliding fit with the rectangular sliding grooves 31; the output shaft of the servo motor 20 rotates to drive the screw rod 19 to rotate, when the screw rod 19 rotates, the U-shaped support 18 slides along the screw rod 19 through threaded fit with the rectangular sliding block 18a, and when the U-shaped support 18 slides, the two groups of planetary gears 16 are driven to slide, so that the two groups of planetary gears 16 are alternately matched with the sun gear 17 and the gear ring 12; the servo motor 20 is controlled to start by the controller 43 every time the input source of the permanent magnet coupler 1 stops working, so that the two groups of planetary gears 16 alternate once.
As shown in fig. 7, the pump oil cooling apparatus includes two oil intake nozzles 36, a plurality of oil injection nozzles 37, a first pipe joint 38, an oil pump motor 39, a filter 40, a plate-type oil cooler 41, and a second pipe joint 42; the two oil inlets 36 are all arranged at the bottom end of the inside of the lower box body 2, the two oil inlets 36 are connected through a copper pipe, a first pipe joint 38 is arranged on the side wall of the outside of the lower box body 2, one end inlet of the first pipe joint 38 penetrates through the side wall of the lower box body 2 and stretches into the lower box body 2, one end of the first pipe joint 38 stretching into the lower box body 2 is communicated with the two oil inlets 36 through a pipeline between the copper pipe, an oil pump motor 39, a filter 40, a plate-type oil cooler 41 and a second pipe joint 42 are all arranged on the side wall of the outside of the lower box body 2, an oil inlet of the oil pump motor 39 is connected with the free end of the first pipe joint 38 through a copper pipe, an oil outlet of the oil pump motor 39 is connected with an inlet of the filter 40 through a copper pipe, an outlet of the filter 40 is connected with an oil inlet of the plate-type oil cooler 41 through a copper pipe, an oil outlet of the plate-type oil cooler 41 is connected with one end of the second pipe joint 42, the other end of the second pipe joint 42 penetrates through the side wall of the lower box body 2 and stretches into the lower box body 2, a plurality of oil nozzles 37 are arranged on one side wall of the installation part 6 of the speed reducer installation part 5, and a plurality of oil nozzles 37 are correspondingly arranged on one end of the oil injection nozzles 37 and all extend into the oil injection boxes 2; after the oil pump motor 39 is started, the cooling oil in the speed reducer mounting part 6 is pumped out through the oil inlet nozzle 36 by negative pressure and pumped to the filter 40, impurities in the flowing cooling oil are filtered by the filter 40, the filtered cooling oil is pumped to the plate-type oil cooler 41, heat carried by the flowing cooling oil is exchanged with the outside through the plate-type oil cooler 41, the temperature of the flowing cooling oil is reduced, the cooling oil is transmitted to the plurality of oil nozzles 37 through the second pipe joint 42, and the cooling oil is poured to the speed reducer in multiple directions through the plurality of oil nozzles 37.
The servo motor 20 and the oil pump motor 39 are electrically connected with a controller 43, and an external power line is arranged on the controller 43 and connected with an external power supply to supply electric energy; the servo motor 20 and the oil pump motor 39 are controlled to start and stop by the controller 43, a coded control program is arranged in the controller 43, the servo motor 20 is controlled to rotate forward and backward, the U-shaped support 18 is enabled to circularly slide on the screw rod 19, and the two groups of planetary gears 16 are enabled to be matched with the sun gear 17 and the gear ring 12 alternately.
The lower box body 2 is internally provided with cooling oil.
The thickness of the planetary gear 16 in the axial direction is m, the thickness of the sun gear 17 in the axial direction is n, the thickness of the ring gear 12 in the axial direction is p, and the thickness of the first boss 11a in the axial direction is q, m=q, n=p=2m.
The use process of the embodiment is as follows: the servo motor 20 and the oil pump motor 39 are controlled by the controller 43 to start, the input shaft 1a of the permanent magnet coupler 1 is connected with a transmission source, the transmission source drives the input shaft 1a to rotate, the coupler output shaft 1b drives the sun gear 17 to rotate, the sun gear 17 rotates to drive a group of planetary gears 16 meshed with the sun gear 17 currently to rotate, when the planetary gears 16 rotate, the planetary gears 16 are limited by the gear ring 12 to rotate at uniform speed along the circumferential direction, meanwhile, the circular fixed disc 7 and the triangular fixed disc 9 are driven to rotate, the triangular fixed disc 9 and the reduction output shaft 21 are meshed and matched with each other through the tooth-shaped grooves 21b and synchronously rotate through the tooth-shaped bosses 9e, and then the triangular fixed disc 9 drives the reduction output shaft 21 to rotate when rotating;
When the input source of the permanent magnet coupler 1 stops working, the servo motor 20 can be controlled by the controller 43 to start, the output shaft of the servo motor 20 rotates to drive the screw rod 19 to rotate, when the screw rod 19 rotates, the U-shaped support 18 slides along the screw rod 19 through threaded fit with the rectangular sliding block 18a, and when the U-shaped support 18 slides, the two groups of planetary gears 16 are driven to slide, so that the two groups of planetary gears 16 are alternately matched with the sun gear 17 and the gear ring 12, and the input source of the permanent magnet coupler 1 stops working for the next time, and then the next alternating and cyclic reciprocation are carried out;
After the oil pump motor 39 is started, the cooling oil in the speed reducer mounting part 6 is pumped out through the oil inlet nozzle 36 by negative pressure and pumped to the filter 40, impurities in the flowing cooling oil are filtered by the filter 40, the filtered cooling oil is pumped to the plate-type oil cooler 41, heat carried by the flowing cooling oil is exchanged with the outside through the plate-type oil cooler 41, the temperature of the flowing cooling oil is reduced, the cooling oil is transmitted to the plurality of oil nozzles 37 through the second pipe joint 42, and the plurality of oil nozzles 37 are used for multi-azimuth pouring to the speed reducer.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereto, and any modification made on the basis of the technical scheme according to the technical idea of the present invention falls within the protection scope of the present invention.

Claims (5)

1. The utility model provides a rear-mounted speed-reducing speed-regulating type permanent magnet coupler which is characterized in that, the utility model comprises a box body, permanent magnet coupler (1), decelerator and pump oil cooling device, the box body includes lower box body (2) and last box body (3), all be equipped with a baffle (4) in lower box body (2) and last box body (3), lower box body (2) and last box body (3) are each through baffle (4) with self internal division into coupler installation department (5) and decelerator installation department (6), permanent magnet coupler (1) fixed mounting is in coupler installation department (5) of lower box body (2) and last box body (3), coupler input shaft (1 a) of permanent magnet coupler (1) exposes the box body, decelerator installation department (6) in lower box body (2) and last box body (3) are stretched into to coupler output shaft (1 b) of permanent magnet coupler (1), decelerator installation department (6) in decelerator fixed mounting in lower box body (2) and last box body (3), and decelerator and output shaft (1) coupling department (6) are set up in pump oil cooling device;
The speed reducer comprises a circular fixed disk (7), a first needle roller bearing (8), a triangular fixed disk (9), a second needle roller bearing (10), three gear shafts (11), a gear ring (12), a gear ring fixing frame (13), six third needle roller bearings (14), six locking bolts (15), six planetary gears (16), a sun gear (17), a U-shaped support (18), a screw rod (19), a servo motor (20), a speed reducing output shaft (21) and two fourth needle roller bearings (22), one end of the circular fixed disk (7) along the thickness direction is provided with a first circular through hole (7 b), the axis of the first circular through hole (7 b) coincides with the axis of the circular fixed disk (7), a first annular boss (7 c) is outwards formed at the edge of the first circular through hole (7 b) at one end of the circular fixed disk (7) along the thickness direction, a first limit step (7 d) is arranged at one end of the first annular boss (7 c) close to the circular fixed disk (7), a first limit step (9) is arranged at one end of the triangular fixed disk (9) along the thickness direction, a geometric center of the second through hole (9 b) is arranged at one end of the triangular fixed disk (9), a second annular boss (9 c) is formed outwards along the edge of the second circular through hole (9 b) at one end of the triangular fixed disc (9) along the thickness direction, a second limit step (9 d) is arranged at one end, close to the triangular fixed disc (9), of the second annular boss (9 c), and a tooth-shaped boss (9 e) is arranged on the inner wall of the second annular boss (9 c); the U-shaped bracket is characterized in that a first fixing seat (23) and a second fixing seat (24) are respectively arranged at two ends of the U-shaped bracket (18), a first fixing clamp (25) is arranged at the lower end of the first fixing seat (23), first semicircular mounting grooves (26) formed inwards are formed in the first fixing seat (23) and the first fixing clamp (25), the first semicircular mounting grooves (26) formed in the first fixing seat (23) and the first fixing clamp (25) are combined to form a rounding groove, a second fixing clamp (27) is arranged at the lower end of the second fixing seat (24), second semicircular mounting grooves (28) formed inwards are formed in the second fixing seat (24) and the second fixing clamp (27), and the second semicircular mounting grooves (28) formed in the second fixing seat (24) and the second fixing clamp (27) are combined to form a rounding groove;
Each gear shaft (11) is provided with a first boss (11 a) which is formed outwards along the middle section of the length direction, three groups of six planetary gears (16) are divided into two groups of gear sets, the three planetary gears (16) in each group of gear sets are respectively arranged on the three gear shafts (11), the two groups of gear sets are respectively positioned on two sides of the first boss (11 a), the planetary gears (16) and the gear shafts (11) synchronously rotate through the matching of keys and key grooves, six locking bolts (15) are respectively arranged on the three gear shafts (11), one locking bolt (15) is respectively arranged at two ends of each gear shaft (11) along the length direction, and each locking bolt (15) is respectively clung to the corresponding planetary gear (16); two ends of each gear shaft (11) along the length direction are outwards formed with a second boss (11 b), six third needle bearings (14) are divided into three groups, each group of two third needle bearings (14) is respectively arranged on the second bosses (11 b) at two ends of the gear shafts (11), one end, far away from the first annular boss (7 c) along the thickness direction, of each circular fixing disc (7) is provided with three inwards formed first bearing grooves (7 a), the three first bearing grooves (7 a) are uniformly distributed along the circumferential direction, the three gear shafts (11) are arranged side by side, the third needle bearings (14) at the same end of each gear shaft (11) are respectively embedded into the three first bearing grooves (7 a), three vertex angles of each triangular fixing disc (9) at one end, far away from the second annular boss (9 c), of each triangular fixing disc (9) are respectively provided with three inwards formed second bearing grooves (9 a), and the third needle bearings (14) at the other end of each gear shaft (11) are respectively embedded into the three second bearing grooves (9 a); the first needle roller bearing (8) is sleeved on the first annular boss (7 c) and is propped against the first limiting step (7 d), the second needle roller bearing (10) is sleeved on the second annular boss (9 c) and is propped against the second limiting step (9 d), the first needle roller bearing (8) is embedded into the first semicircular mounting groove (26) on the first fixing seat (23) and the first fixing clamp (25), and the second needle roller bearing (10) is embedded into the second semicircular mounting groove (28) on the second fixing seat (24) and the second fixing clamp (27);
The coupler output shaft (1 b) of the permanent magnet coupler (1) passes through the first circular through hole (7 b), and the axis of the coupler output shaft (1 b) of the permanent magnet coupler (1) coincides with the axis of the first circular through hole (7 b);
The gear ring fixing frame (13) is fixedly arranged on the partition board (4), the gear ring (12) is fixedly arranged on the gear ring fixing frame (13), the axis of the gear ring (12) coincides with the axis of the coupler output shaft (1 b) of the permanent magnet coupler (1), the sun gear (17) is fixedly arranged on the coupler output shaft (1 b) of the permanent magnet coupler (1), the sun gear (17) and the coupler output shaft (1 b) of the permanent magnet coupler (1) synchronously rotate through the matching of keys and key grooves, the sun gear (17) is in meshed fit with the six planetary gears (16), and the six planetary gears (16) are in meshed fit with the gear ring (12);
A third semicircular mounting groove (29) is formed outwards in each side wall, far away from the coupler mounting part (5), of the upper and lower box bodies (2, 3), the third semicircular mounting groove (29) in each lower and upper box body (2, 3) is combined into a rounding groove, a fourth semicircular mounting groove (30) is formed in each side wall, far away from the speed reducer mounting part (6) in the axial direction, of each third semicircular mounting groove (29), and the fourth semicircular mounting groove (30) in each lower and upper box bodies (2, 3) is combined into a rounding groove; the middle section of the speed reduction output shaft (21) along the length direction is provided with a third boss (21 a), two fourth needle bearings (22) are sleeved on the speed reduction output shaft (21), the two fourth needle bearings (22) are respectively positioned at two sides of the third boss (21 a), the two fourth needle bearings (22) are embedded into a third semicircular mounting groove (29) arranged on the lower box body (2), the two fourth needle bearings (22) are respectively propped against two side ends of the third semicircular mounting groove (29) along the length direction, one end of the speed reduction output shaft (21) is positioned in the speed reduction device mounting part (6), one end of the speed reduction output shaft (21) is exposed out of the box body, one end of the speed reduction output shaft (21) positioned in the speed reduction device mounting part (6) is provided with a tooth-shaped groove (21 b), the tooth-shaped groove (21 b) is in meshed fit with the tooth-shaped boss (9 e), and the speed reduction output shaft (21) is in sliding connection with the triangular fixed disc (9); a first oil seal ring (30 a) is arranged on one side of the speed reduction output shaft (21) along the length direction, and the first oil seal ring (30 a) is embedded into a fourth semicircular mounting groove (30) on the lower box body (2);
The upper wall inside the upper box body (3) is internally provided with a rectangular chute (31) in an inward forming manner, one end, far away from the coupler installation part (5), of the rectangular chute (31) is provided with a through hole (32) penetrating through the upper box body (3), the side wall outside the upper box body (3) is provided with a sealing ring groove (33) corresponding to the through hole (32), one end of the screw rod (19) penetrates through the through hole (32) and is rotationally connected with one end, far away from the sealing ring groove (33), of the rectangular chute (31) through a fifth bearing (34), the servo motor (20) is fixedly arranged on the side wall outside the upper box body (3), an output shaft of the servo motor (20) extends into the through hole (32) and is connected with the other end of the screw rod (19), and a second oil seal ring (35) is further arranged on the output shaft of the servo motor (20) and embedded in the sealing ring groove (33);
the middle section of the U-shaped support (18) is provided with two rectangular sliding blocks (18 a) in an outward molding mode, the rectangular sliding blocks (18 a) are arranged far away from two ends of the U-shaped support (18), the rectangular sliding blocks (18 a) are arranged on the screw rod (19) in a sliding mode through threaded matching, and the rectangular sliding blocks (18 a) are in sliding matching with the rectangular sliding grooves (31).
2. The rear speed reducing and adjusting permanent magnet coupler according to claim 1, wherein: the pump oil cooling device comprises two oil inlets (36), a plurality of oil nozzles (37), a first pipe joint (38), an oil pump motor (39), a filter (40), a plate-type oil cooler (41) and a second pipe joint (42); the two oil inlet nozzles (36) are arranged at the bottom end of the inside of the lower box body (2), the two oil inlet nozzles (36) are connected through copper pipes, a first pipe joint (38) is arranged on the side wall of the outside of the lower box body (2), one end inlet of the first pipe joint (38) penetrates through the side wall of the lower box body (2) to stretch into the lower box body (2), one end of the first pipe joint (38) stretches into the lower box body (2) to be communicated with a pipeline between the two oil inlet nozzles (36) through copper pipes, an oil pump motor (39), a filter (40), a plate-type oil cooler (41) and a second pipe joint (42) are all arranged on the side wall of the outside of the lower box body (2), an oil inlet of the oil pump motor (39) is connected with the free end of the first pipe joint (38) through copper pipes, an oil outlet of the oil pump motor (39) is connected with an inlet of the filter (40) through copper pipes, an oil outlet of the plate-type oil cooler (41) is connected with one end of the second pipe joint (42) through copper pipes, the other end of the second pipe joint (42) is arranged on the side wall of the lower box body (2) to be far away from the oil sprayer (37) which is arranged on the side wall of the lower box body (6), and a plurality of oil spray nozzles (37) are arranged corresponding to the gear rings (12), and the oil spray nozzles (37) are connected with one end of the second pipe joint (42) extending into the lower box body (2) through copper pipes.
3. The rear speed reducing and adjusting permanent magnet coupler according to claim 1, wherein: the servo motor (20) and the oil pump motor (39) are electrically connected with a controller (43), and an external power line is arranged on the controller (43).
4. The rear speed reducing and adjusting permanent magnet coupler according to claim 1, wherein: and cooling oil is arranged in the lower box body (2).
5. The rear speed reducing and adjusting permanent magnet coupler according to claim 1, wherein: the thickness of the planetary gear (16) along the axial direction is m, the thickness of the sun gear (17) along the axial direction is n, the thickness of the gear ring (12) along the axial direction is p, the thickness of the first boss (11 a) along the axial direction is q, m=q, and n=p=2m.
CN202110693431.0A 2021-06-22 2021-06-22 Rear-mounted speed reduction speed regulation formula permanent magnet coupler Active CN113280089B (en)

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CN215059239U (en) * 2021-06-22 2021-12-07 南京玛格耐特智能科技有限公司 Rear-mounted speed reduction and speed regulation type permanent magnet coupler

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