CN105465289A - Hub reduction gear - Google Patents
Hub reduction gear Download PDFInfo
- Publication number
- CN105465289A CN105465289A CN201510984384.XA CN201510984384A CN105465289A CN 105465289 A CN105465289 A CN 105465289A CN 201510984384 A CN201510984384 A CN 201510984384A CN 105465289 A CN105465289 A CN 105465289A
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- China
- Prior art keywords
- outside framework
- oil seal
- frame
- ring
- framework oil
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 98
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 238000005461 lubrication Methods 0.000 abstract description 5
- 238000005065 mining Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 9
- 238000010009 beating Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- 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
- F16H1/36—Toothed gearings for conveying rotary motion with gears having orbital motion with two central gears coupled by intermeshing orbital gears
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- 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
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- 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
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- 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
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- 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
- F16H57/08—General details of gearing of gearings with members having orbital motion
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- 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
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a hub reduction gear for an off-highway mining dump truck. The hub reduction gear comprises a driving motor, a frame, a driving ring, an input end sealing assembly, an output end sealing assembly, a hub, tapered roller bearings, a connecting flange, a torque tube, a duplex inner gear ring, a primary planetary carrier, a secondary planetary carrier, an end cover, a friction plate combination, a secondary sun gear, a limiting device and a primary sun gear; the driving ring penetrates through the input end sealing assembly that is fixedly connected with the frame through a bolt; the output end sealing assembly is mounted between the hub and the frame; the hub is rotatably supported on the frame through a pair of tapered roller bearings; the connecting flange abuts against one tapered roller bearing; the end cover is connected with the secondary planetary carrier through a bolt; the friction plate combination is mounted between an end face of the secondary sun gear and an end face of an inner cavity of the end cover; and the limiting device is located between corresponding end faces of the primary sun gear and the secondary sun gear. The hub reduction gear is simple in structure, sufficient in lubrication and high in service life.
Description
Technical field
The present invention relates to a kind of highway quarry tipper, especially about mining electric transmission dumping car wheel reductor.
Background technique
Through the development of decades, quarry tipper maximizes increasingly from miniaturization, for large-tonnage mine car, traditional mechanical transmission cannot meet high speed, high pulling torque and the high requirement of transmission efficiency, the substitute is electric transmission, and adopt the wheel reductor of Gear Planet Transmission to be used widely in large-scale mine car electric transmission.At present, the wheel reductor that Domestic market adopts generally adopts two-stage planetary differential train (one-level differential gear train and one-level quasi-planet train), and this planetary transmission structure is complicated, planetary gear train and bearing lubrication is insufficient, the life-span is low, maintenance is inconvenient.
Summary of the invention
The present invention aims to provide that a kind of structure is simple, planetary gear train and bearing lubrication is abundant, the life-span is high wheel-side reduction device.
The technological scheme realizing above-mentioned purpose is: a kind of wheel-side reduction device, comprises drive motor, frame, driving ring, input end sealing assembling, output terminal sealing assembling, wheel hub, tapered roller bearing, adpting flange, torque tube, duplex ring gear, primary planet carrier assembles, secondary planet frame assembles, end cap, friction plate combines, secondary solar gear, limit stoper and one-level sun gear, described primary planet carrier assembling comprises primary planet carrier, primary planet is taken turns, and described secondary planet frame assembling comprises secondary planet frame, secondary planet is taken turns, described drive motor is bolted to connection in frame, and the axle of drive motor and one-level sun gear are by driving ring spline joint, the primary planet that one-level sun gear and primary planet carrier assemble is taken turns and is engaged, primary planet wheel engages with duplex ring gear, the primary planet carrier that described secondary solar gear is assembled by spline and primary planet carrier is connected, the secondary planet that secondary solar gear and secondary planet frame assemble is taken turns and is engaged, secondary planet wheel engages with duplex ring gear, primary planet carrier assembling is in the side near the large end of frame, secondary planet frame assembles the side be in away from the large end of frame
Described driving ring is through input end sealing assembling, and input end sealing assembling is bolted to connection with frame,
Described adpting flange and frame are bolted to connection, and duplex ring gear and adpting flange are bolted to connection, and the secondary planet frame that described torque tube and secondary planet frame assemble is bolted to connection, and wheel hub and torque tube are bolted to connection,
Described wheel hub is rotatably supported in frame by a pair tapered roller bearing, and adpting flange and one of them tapered roller bearing offset,
Described output terminal sealing assembling is contained between wheel hub and frame,
Described end cap and secondary planet frame are bolted, and described friction plate combination is loaded in secondary solar gear end face and end cap between resonator end surface,
Described limit stoper is between one-level sun gear and the corresponding end-faces of secondary solar gear.
Described input end sealing assembling comprises sealing seat, guide ring, first outside framework oil seal, oil sealing spacer ring, second outside framework oil seal, one O shape circle and the 2nd O shape circle, described frame has the first endoporus, described sealing seat to be inserted on the first endoporus and to be fixedly connected with frame, described sealing seat has the second endoporus, described first outside framework oil seal and the second outside framework oil seal are arranged in the second endoporus of sealing seat and its outer ring and the second endoporus interference fit, described oil sealing spacer ring to be arranged in the second endoporus and to be interposed between the first outside framework oil seal and the second outside framework oil seal, the outer ring of oil sealing spacer ring and the second endoporus Spielpassung, described guide ring is fixedly connected on sealing seat, guide ring) endoporus one end there is approaching face, stretching in the second endoporus and with an end face of the first outside framework oil seal away from approaching face one end of guide ring offsets, a described O shape circle is arranged between sealing seat and the first endoporus of frame, described 2nd O shape circle is arranged between guide ring and the second endoporus of sealing seat, described driving ring to be inserted in the second endoporus of sealing seat and to contact with the inner ring of the first outside framework oil seal with the second outside framework oil seal.
Described sealing seat is fixedly connected in frame by the first bolt and check washer; Described guide ring is fixedly connected on sealing seat by the second bolt and check washer.
Described sealing seat has an O shape ring recess, a described O shape circle is contained in a described O shape ring recess; One end stretched in the second endoporus of described guide ring has the 2nd O shape ring recess, and described 2nd O shape circle is contained in the 2nd O shape ring recess.
Described first outside framework oil seal and the second outside framework oil seal are all Double-lip framework oil sealings.
Second endoporus of described sealing seat has shoulder block near one end of the second outside framework oil seal, and an end face of shoulder block and the second outside framework oil seal offsets.
Described output terminal sealing assembling comprises wear ring, annular felt, oil sealing base, one O shape circle, first outside framework oil seal, 2nd O shape circle and the second outside framework oil seal, described wear ring is fixedly connected in frame, described oil sealing base is fixedly connected on wheel hub, described oil sealing base has the first endoporus, felt mounting groove and annular slot, described first outside framework oil seal and the second outside framework oil seal are contained in the first endoporus of oil sealing base and its outer ring and the first endoporus interference fit, described annular felt is arranged in felt mounting groove, described wear ring has axle journal and annular flange portion, the axle journal of described wear ring inserts the first outside framework oil seal and contacts with the lip of the first outside framework oil seal with the second outside framework oil seal with in the endoporus of the second outside framework oil seal, the annular flange portion of described wear ring is inserted in the annular slot of oil sealing base, and the inner ring of annular flange portion and annular felt contacts, a described O shape circle is installed between wheel hub and oil sealing base, described 2nd O shape circle is installed between frame and wear ring.
Described first outside framework oil seal is single lip outside framework oil seal of band separation pad, and the second outside framework oil seal is single lip outside framework oil seal, and separation pad and second outside framework oil seal of the first outside framework oil seal offset, and the backstop on the side away from separation pad of the first outside framework oil seal and oil sealing base offsets.
Described wheel hub has an O shape ring recess, an O shape circle is installed in an O shape ring recess; Described frame has the 2nd O shape ring recess, the 2nd O shape circle is installed in the 2nd O shape ring recess.
Described oil sealing base is fixedly connected on wheel hub by bolt and gasket assembly, and the axle journal of described wear ring is fixedly connected in frame by interference fit.
Described limit stoper comprises position limit pin, first steel friction plate, copper friction plate, second steel friction plate, friction bar, described position limit pin has assembly department, blocked part and pin portion, the assembly department of position limit pin is fixedly connected in the first center hole of one-level sun gear, described friction bar is fixedly connected on primary planet carrier, described friction bar has friction plate chamber, described first steel friction plate, copper friction plate and the second steel friction plate be enclosed within to Spielpassung successively position limit pin pin portion and be arranged in friction bar friction plate chamber, first steel friction plate, the periphery of copper friction plate and the second steel friction plate and the inner circle wall Spielpassung in the friction plate chamber of friction bar, blocked part and first steel friction plate of described position limit pin are facing, friction plate chamber diapire and second steel friction plate of described friction bar are facing, the pin portion of described position limit pin has mesopore and radial hole, one end of radial hole communicates with mesopore, the other end leads to the periphery in pin portion, the mesopore in pin portion communicates with the second center hole of secondary solar gear.
Described friction bar has adpting flange, and the periphery of adpting flange is fixedly connected with the endoporus of primary planet carrier by interference fit.
The position, place, friction plate chamber of described friction bar sinks in the center counterbore of secondary solar gear.
Relative to prior art, wheel-side reduction device of the present invention adopts gear for two stage planetary gear train transmission, and duplex ring gear is fixed, and planet carrier exports, simple much in structure.When assembling, I and II planet carrier part can be assembled into parts overall package again, is similar to modularization, so assembling is than being easier to; In the present invention, primary planet carrier assembling and one-level sun gear, secondary solar gear all float, achieve the function that two-stage is all carried well, I and II planetary gear train all has rotation, planet wheel has revolution, each gear lubrication is abundant, and these can effectively improve gear mesh efficiency and working life; At one-level sun gear and secondary solar gear and adopt multidisc friction plate to combine between secondary solar gear and end cap to carry out axial limiting, have oil lubrication between friction plate, reduce friction factor, improve the life-span of limit stoper, be also convenient for changing friction plate; I and II planetary gear train part is all in the outside of wheel hub, is convenient to dismounting and safeguards; Radial force from tire is born primarily of frame, wheel hub and two tapered roller bearings with impacting, I and II planetary gear train part mainly bears moment of torsion, seldom bear radial load and impact, the transmission of I and II planetary gear train is tended to be steady, improve the working life of gear; Driving ring adopts integral type, has internal spline structure, improve machining accuracy and assembly precision in hole, effectively reduces beating of high speed input end, and transmission is more steady, and the life-span of input end sealing assembling improves.
Accompanying drawing explanation
The present invention is further detailed explanation for the embodiment provided below in conjunction with accompanying drawing.
Fig. 1 is the structure sectional view of wheel-side reduction device of the present invention;
Fig. 2 is the right part enlarged view of Fig. 1;
Fig. 3 is the partial enlarged drawing of limit stoper in Fig. 2 and friction plate combination;
Fig. 4 is I partial enlarged drawing of Fig. 1;
Fig. 5 is II partial enlarged drawing of Fig. 4;
Fig. 6 is III partial enlarged drawing of Fig. 1;
Fig. 7 is IV partial enlarged drawing of Fig. 3.
Embodiment
As Fig. 1, 2, 3, 4, 5, 6, shown in 7, a kind of wheel-side reduction device of the present invention, comprises drive motor 1, frame 2, driving ring 3, input end sealing assembling 4, output terminal sealing assembling 5, wheel hub 6, tapered roller bearing 7, adpting flange 8, torque tube 9, duplex ring gear 10, primary planet carrier assembling 13, secondary planet frame assembling 16, end cap 17, friction plate combination 18, secondary solar gear 19, limit stoper 20 and one-level sun gear 21, described primary planet carrier assembling 13 comprises primary planet carrier 12, primary planet wheel 11, described secondary planet frame assembling 16 comprises secondary planet frame 15, secondary planet wheel 14, described drive motor 1 is bolted to connection in frame 2, and the axle of drive motor 1 and one-level sun gear 21 are by driving ring 3 spline joint, the primary planet that one-level sun gear 21 and primary planet carrier assemble 13 is taken turns 11 and is engaged, primary planet wheel 11 engages with duplex ring gear 10, the primary planet carrier 12 that described secondary solar gear 19 assembles 13 by spline and primary planet carrier is connected, the secondary planet that secondary solar gear 19 and secondary planet frame assemble 16 is taken turns 14 and is engaged, secondary planet wheel 14 engages with duplex ring gear 10, primary planet carrier assembling 13 is in the side of holding greatly near frame 2, secondary planet frame assembling 16 is in the side away from the large end of frame
Described driving ring 3 is through input end sealing assembling 4, and input end sealing assembling 4 is bolted to connection with frame 2,
Described adpting flange 8 is bolted to connection with frame 2, duplex ring gear 10 and adpting flange 8 are bolted to connection, the secondary planet frame 15 that described torque tube 9 and secondary planet frame assemble 16 is bolted to connection, and wheel hub 6 and torque tube 9 are bolted to connection
Described wheel hub 6 is rotatably supported in frame 2 by a pair tapered roller bearing 7, and adpting flange 8 and one of them tapered roller bearing 7 offset,
Described output terminal sealing assembling 5 is contained between wheel hub 6 and frame 2,
Described end cap 17 is bolted with secondary planet frame 15, and described friction plate combination 18 is loaded in secondary solar gear 19 end face and end cap 17 between resonator end surface,
Described limit stoper 20 is between the corresponding end-faces of one-level sun gear 21 and secondary solar gear 19.
As Fig. 4, shown in 5, described input end sealing assembling 4 comprises sealing seat 4-6, guide ring 4-2, first outside framework oil seal 4-9, oil sealing spacer ring 4-8, second outside framework oil seal 4-7, one O shape circle 4-5 and the 2nd O shape circle 4-3, described frame 2 has the first endoporus 2-1, described sealing seat 4-6 to be inserted on the first endoporus 2-1 and to be fixedly connected with frame 2, described sealing seat 4-6 has the second endoporus 4-6-1, described first outside framework oil seal 4-9 and the second outside framework oil seal 4-7 is arranged in the second endoporus 4-6-1 of sealing seat 4-6 and its outer ring and the second endoporus 4-6-1 interference fit, described oil sealing spacer ring 4-8 to be arranged in the second endoporus 4-6-1 and to be interposed between the first outside framework oil seal 4-9 and the second outside framework oil seal 4-7, the outer ring of oil sealing spacer ring 4-8 and the second endoporus 4-6-1 Spielpassung, described guide ring 4-2 is fixedly connected on sealing seat 4-6, endoporus one end of guide ring 4-2 has approaching face 4-2-2, guide ring 4-2 to stretch in the second endoporus 4-6-1 away from approaching face 4-2-2 one end and offsets with an end face of the first outside framework oil seal 4-9, a described O shape circle 4-5 is arranged between sealing seat 4-6 and the first endoporus 2-1 of frame 2, described 2nd O shape circle 4-3 is arranged between the second endoporus 4-6-1 of guide ring 4-2 and sealing seat 4-6, described driving ring 3 to be inserted in the second endoporus 4-6-1 of sealing seat 4-6 and to contact with the inner ring of the second outside framework oil seal 4-7 with the first outside framework oil seal 4-9.
As shown in Figure 5, described sealing seat 4-6 is fixedly connected in frame 2 by the first bolt and check washer 4-4; Described guide ring 4-2 is fixedly connected on sealing seat 4-6 by the second bolt and check washer 4-1.
As shown in Figure 5, described sealing seat 4-6 has an O shape ring recess 4-6-2, a described O shape circle 4-5 is contained in a described O shape ring recess 4-6-2; One end stretched in the second endoporus 4-6-1 of described guide ring 4-2 has the 2nd O shape ring recess 4-2-1, and described 2nd O shape circle 4-3 is contained in the 2nd O shape ring recess 4-2-1.
As shown in Figure 5, described first outside framework oil seal 4-9 and the second outside framework oil seal 4-7 is all Double-lip framework oil sealings.
As shown in Figure 5, the second endoporus 4-6-1 of described sealing seat 4-6 has shoulder block 4-6-3 near one end of the second outside framework oil seal 4-7, and an end face of shoulder block 4-6-3 and the second outside framework oil seal 4-7 offsets.
As Fig. 1, shown in 6, described output terminal sealing assembling 5 comprises wear ring 5-2, annular felt 5-3, oil sealing base 5-4, one O shape circle 5-6, first outside framework oil seal 5-8, 2nd O shape circle 5-9 and the second outside framework oil seal 5-10, described wear ring 5-2 is fixedly connected in frame 2, described oil sealing base 5-4 is fixedly connected on wheel hub 6, described oil sealing base 5-4 has the first endoporus 5-4-1, felt mounting groove 5-4-2 and annular slot 5-4-3, described first outside framework oil seal 5-8 and the second outside framework oil seal 5-10 is contained in the first endoporus 5-4-1 of oil sealing base 5-4 and its outer ring and the first endoporus 5-4-1 interference fit, described annular felt 5-3 is arranged in felt mounting groove 5-4-2, described wear ring 5-2 has axle journal 5-2-1 and annular flange portion 5-2-2, the axle journal 5-2-1 of described wear ring 5-2 inserts the first outside framework oil seal 5-8 and contacts with the lip of the second outside framework oil seal 5-10 with the first outside framework oil seal 5-8 with in the endoporus of the second outside framework oil seal 5-10, the annular flange portion 5-2-2 of described wear ring 5-2 is inserted in the annular slot 5-4-3 of oil sealing base 5-4, and the inner ring of annular flange portion 5-2-2 contacts with annular felt 5-3, a described O shape circle 5-6 is installed between wheel hub 6 and oil sealing base 5-4, described 2nd O shape circle 5-9 is installed between frame 2 and wear ring 5-2.
As shown in Figure 6, described first outside framework oil seal 5-8 is single lip outside framework oil seal of band separation pad, second outside framework oil seal 5-10 is single lip outside framework oil seal, separation pad and the second outside framework oil seal 5-10 of the first outside framework oil seal 5-8 offset, and the backstop 5-4-4 on the side away from separation pad of the first outside framework oil seal 5-8 and oil sealing base 5-4 offsets.
As shown in Figure 6, described wheel hub 6 has an O shape ring recess 6-1, an O shape circle 5-6 is installed in an O shape ring recess 6-1; Described frame 2 has the 2nd O shape ring recess 2-1, the 2nd O shape circle 9 is installed in the 2nd O shape ring recess 2-1.
As shown in Figure 6, described oil sealing base 5-4 is fixedly connected on wheel hub 6 by bolt and gasket assembly 5-5, and the axle journal 5-2-1 of described wear ring 5-2 is fixedly connected in frame 2 by interference fit.
As Fig. 1, 3, shown in 7, described limit stoper 20 comprises position limit pin 20-2, first steel friction plate 20-3, copper friction plate 20-4, second steel friction plate 20-5, friction bar 20-6, described position limit pin 20-2 has assembly department 20-2-1, blocked part 20-2-2 and pin portion 20-2-3, the assembly department 20-2-1 of position limit pin 20-2 is fixedly connected in the first center hole 21-1 of one-level sun gear 21, described friction bar 20-6 is fixedly connected on primary planet carrier 12, described friction bar 20-6 has friction plate chamber 20-6-1, described first steel friction plate 20-3, copper friction plate 20-4 and the second steel friction plate 20-5 is enclosed within to Spielpassung the pin portion 20-2-3 of position limit pin 20-2 successively and is arranged in the friction plate chamber 20-6-1 of friction bar 20-6, first steel friction plate 20-3, the periphery of copper friction plate 20-4 and the second steel friction plate 20-5 and the inner circle wall Spielpassung of the friction plate chamber 20-6-1 of friction bar 20-6, blocked part 20-2-2 and the first steel friction plate 20-3 of described position limit pin 20-2 are facing, friction plate chamber 20-6-1 diapire and the second steel friction plate 20-5 of described friction bar 20-6 are facing, the pin portion 20-2-3 of described position limit pin 20-2 has mesopore 20-2-4 and radial hole 20-2-5, one end of radial hole 20-2-5 communicates with mesopore 20-2-4, the other end leads to the periphery of pin portion 20-2-3, the mesopore 20-2-4 of pin portion 20-2-3 communicates with the second center hole 19-1 of secondary solar gear 19.
As shown in Figure 7, described friction bar 20-6 has adpting flange 20-6-2, and the periphery of adpting flange 20-6-2 is fixedly connected with by the endoporus of interference fit with primary planet carrier 12.
As shown in Figure 7, the position, 20-6-1 place, friction plate chamber of described friction bar 20-6 sinks in the center counterbore 19-2 of secondary solar gear 19.
Claims (13)
1. a wheel-side reduction device, comprises drive motor (1), frame (2), driving ring (3), input end sealing assembling (4), output terminal sealing assembling (5), wheel hub (6), tapered roller bearing (7), adpting flange (8), torque tube (9), duplex ring gear (10), primary planet carrier assembling (13), secondary planet frame assembling (16), end cap (17), friction plate combination (18), secondary solar gear (19), limit stoper (20) and one-level sun gear (21), described primary planet carrier assembling (13) comprises primary planet carrier (12), primary planet wheel (11), described secondary planet frame assembling (16) comprises secondary planet frame (15), secondary planet wheel (14), described drive motor (1) is bolted to connection in frame (2), and the axle of drive motor (1) and one-level sun gear (21) are by driving ring (3) spline joint, one-level sun gear (21) assembles (13) primary planet with primary planet carrier is taken turns (11) and is engaged, primary planet wheel (11) engages with duplex ring gear (10), described secondary solar gear (19) to assemble (13) by spline primary planet carrier (12) with primary planet carrier is connected, secondary solar gear (19) assembles (16) secondary planet with secondary planet frame is taken turns (14) and is engaged, secondary planet wheel (14) engages with duplex ring gear (10), primary planet carrier assembling (13) is in the side of holding greatly near frame (2), secondary planet frame assembling (16) is in the side away from the large end of frame, it is characterized in that:
A, described driving ring (3) are through input end sealing assembling (4), and input end sealing assembling (4) and frame (2) are bolted to connection,
B, described adpting flange (8) and frame (2) are bolted to connection, duplex ring gear (10) and adpting flange (8) are bolted to connection, the secondary planet frame (15) that described torque tube (9) and secondary planet frame assemble (16) is bolted to connection, wheel hub (6) and torque tube (9) are bolted to connection
C, described wheel hub (6) are rotatably supported in frame (2) by a pair tapered roller bearing (7), and adpting flange (8) and one of them tapered roller bearing (7) offset,
D, described output terminal sealing assembling (5) are contained between wheel hub (6) and frame (2),
E, described end cap (17) and secondary planet frame (15) are bolted, and described friction plate combination (18) is loaded between secondary solar gear (19) end face and end cap (17) interior resonator end surface,
F, described limit stoper (20) are between the corresponding end-faces of one-level sun gear 21 and secondary solar gear (19).
2. wheel-side reduction device according to claim 1, it is characterized in that: described input end sealing assembling (4) comprises sealing seat (4-6), guide ring (4-2), first outside framework oil seal (4-9), oil sealing spacer ring (4-8), second outside framework oil seal (4-7), one O shape circle (4-5) and the 2nd O shape circle (4-3), described frame (2) has the first endoporus (2-1), described sealing seat (4-6) is inserted into the first endoporus (2-1) and goes up and be fixedly connected with frame (2), described sealing seat (4-6) has the second endoporus (4-6-1), described first outside framework oil seal (4-9) and the second outside framework oil seal (4-7) to be arranged in second endoporus (4-6-1) of sealing seat (4-6) and its outer ring and the second endoporus (4-6-1) interference fit, described oil sealing spacer ring (4-8) to be arranged in the second endoporus (4-6-1) and to be interposed between the first outside framework oil seal (4-9) and the second outside framework oil seal (4-7), the outer ring of oil sealing spacer ring (4-8) and the second endoporus (4-6-1) Spielpassung, described guide ring (4-2) is fixedly connected on sealing seat (4-6), endoporus one end of guide ring (4-2) has approaching face (4-2-2), the stretching in the second endoporus (4-6-1) away from approaching face (4-2-2) one end and offset with an end face of the first outside framework oil seal (4-9) of guide ring (4-2), described O shape circle (4-5) is arranged between first endoporus (2-1) of sealing seat (4-6) and frame (2), described 2nd O shape circle (4-3) is arranged between second endoporus (4-6-1) of guide ring (4-2) and sealing seat (4-6), described driving ring 3 to be inserted in second endoporus (4-6-1) of sealing seat (4-6) and to contact with the inner ring of the first outside framework oil seal (4-9) with the second outside framework oil seal (4-7).
3. wheel-side reduction device according to claim 2, is characterized in that: described sealing seat (4-6) is fixedly connected in frame (2) by the first bolt and check washer (4-4); Described guide ring (4-2) is fixedly connected on sealing seat (4-6) by the second bolt and check washer (4-1).
4. wheel-side reduction device according to claim 2, is characterized in that: described sealing seat (4-6) has an O shape ring recess (4-6-2), and described O shape circle (4-5) is contained in a described O shape ring recess (4-6-2); One end stretched in the second endoporus (4-6-1) of described guide ring (4-2) has the 2nd O shape ring recess (4-2-1), and described 2nd O shape circle (4-3) is contained in the 2nd O shape ring recess (4-2-1).
5. wheel-side reduction device according to claim 2, is characterized in that: described first outside framework oil seal (4-9) and the second outside framework oil seal (4-7) are all Double-lip framework oil sealings.
6. wheel-side reduction device according to claim 2, it is characterized in that: second endoporus (4-6-1) of described sealing seat (4-6) has shoulder block (4-6-3) near one end of the second outside framework oil seal (4-7), and shoulder block (4-6-3) offsets with an end face of the second outside framework oil seal (4-7).
7. wheel-side reduction device according to claim 1, it is characterized in that: described output terminal sealing assembling (5) comprises wear ring (5-2), annular felt (5-3), oil sealing base (5-4), one O shape circle (5-6), first outside framework oil seal (5-8), 2nd O shape circle (5-9) and the second outside framework oil seal (5-10), described wear ring (5-2) is fixedly connected in frame (2), described oil sealing base (5-4) is fixedly connected on wheel hub (6), described oil sealing base (5-4) has the first endoporus (5-4-1), felt mounting groove (5-4-2) and annular slot (5-4-3), described first outside framework oil seal (5-8) and the second outside framework oil seal (5-10) to be contained in first endoporus (5-4-1) of oil sealing base (5-4) and its outer ring and the first endoporus (5-4-1) interference fit, described annular felt (5-3) is arranged in felt mounting groove (5-4-2), described wear ring (5-2) has axle journal (5-2-1) and annular flange portion (5-2-2), the axle journal (5-2-1) of described wear ring (5-2) inserts the first outside framework oil seal (5-8) and contacts with the lip of the first outside framework oil seal (5-8) with the second outside framework oil seal (5-10) with in the endoporus of the second outside framework oil seal (5-10), the annular flange portion (5-2-2) of described wear ring (5-2) is inserted in the annular slot (5-4-3) of oil sealing base (5-4), and the inner ring of annular flange portion (5-2-2) contacts with annular felt (5-3), described O shape circle (5-6) is installed between wheel hub (6) and oil sealing base (5-4), described 2nd O shape circle (5-9) is installed between frame (2) and wear ring (5-2).
8. wheel-side reduction device according to claim 7, it is characterized in that: described first outside framework oil seal (5-8) is single lip outside framework oil seal of band separation pad, second outside framework oil seal (5-10) is single lip outside framework oil seal, separation pad and second outside framework oil seal (5-10) of the first outside framework oil seal (5-8) offset, and the backstop (5-4-4) on the side away from separation pad of the first outside framework oil seal (5-8) and oil sealing base (5-4) offsets.
9. wheel-side reduction device according to claim 7, is characterized in that: described wheel hub (6) has an O shape ring recess (6-1), and O shape circle (5-6) is installed in an O shape ring recess (6-1); Described frame (2) has the 2nd O shape ring recess (2-1), the 2nd O shape circle (9) is installed in the 2nd O shape ring recess (2-1).
10. wheel-side reduction device according to claim 7, it is characterized in that: described oil sealing base (5-4) is fixedly connected on wheel hub (6) by bolt and gasket assembly (5-5), the axle journal (5-2-1) of described wear ring (5-2) is fixedly connected in frame (2) by interference fit.
11. wheel-side reduction devices according to claim 1, it is characterized in that: described limit stoper (20) comprises position limit pin (20-2), first steel friction plate (20-3), copper friction plate (20-4), second steel friction plate (20-5), friction bar (20-6), described position limit pin (20-2) has assembly department (20-2-1), blocked part (20-2-2) and pin portion (20-2-3), the assembly department (20-2-1) of position limit pin (20-2) is fixedly connected in first center hole (21-1) of one-level sun gear (21), described friction bar (20-6) is fixedly connected on primary planet carrier (12), described friction bar (20-6) has friction plate chamber (20-6-1), described first steel friction plate (20-3), copper friction plate (20-4) and the second steel friction plate (20-5) be enclosed within to Spielpassung successively position limit pin (20-2) pin portion (20-2-3) and be arranged in friction bar (20-6) friction plate chamber (20-6-1), first steel friction plate (20-3), the periphery of copper friction plate (20-4) and the second steel friction plate (20-5) and the inner circle wall Spielpassung in the friction plate chamber (20-6-1) of friction bar (20-6), the blocked part (20-2-2) of described position limit pin (20-2) is facing with the first steel friction plate (20-3), friction plate chamber (20-6-1) diapire and second steel friction plate (20-5) of described friction bar (20-6) are facing, the pin portion (20-2-3) of described position limit pin (20-2) has mesopore (20-2-4) and radial hole (20-2-5), one end of radial hole (20-2-5) communicates with mesopore (20-2-4), the other end leads to the periphery in pin portion (20-2-3), the mesopore (20-2-4) in pin portion (20-2-3) communicates with second center hole (19-1) of secondary solar gear (19).
12. wheel-side reduction devices according to claim 11, it is characterized in that: described friction bar (20-6) has adpting flange (20-6-2), the periphery of adpting flange (20-6-2) is fixedly connected with by the endoporus of interference fit with primary planet carrier (12).
13. wheel-side reduction devices according to claim 11, is characterized in that: friction plate chamber (20-6-1) position, place of described friction bar (20-6) sinks in the center counterbore (19-2) of secondary solar gear (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510984384.XA CN105465289B (en) | 2015-12-25 | 2015-12-25 | Wheel-side reduction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510984384.XA CN105465289B (en) | 2015-12-25 | 2015-12-25 | Wheel-side reduction device |
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| CN105465289A true CN105465289A (en) | 2016-04-06 |
| CN105465289B CN105465289B (en) | 2017-12-12 |
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| CN108340776A (en) * | 2018-03-02 | 2018-07-31 | 第拖拉机股份有限公司 | A kind of power train rear cabinet for paddy field type crawler tractor |
| CN109958741A (en) * | 2017-12-26 | 2019-07-02 | 比亚迪股份有限公司 | Speed changer and rail vehicle used for rail vehicle |
| WO2021047290A1 (en) * | 2019-09-09 | 2021-03-18 | 中车戚墅堰机车车辆工艺研究所有限公司 | Wheel drive system |
| CN113357320A (en) * | 2021-05-28 | 2021-09-07 | 徐州徐工矿业机械有限公司 | Hub reduction gear with two-stage planet carrier double-coupling structure |
| CN114538276A (en) * | 2022-04-22 | 2022-05-27 | 河南东起机械有限公司 | Crane wheel |
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| CN113357320A (en) * | 2021-05-28 | 2021-09-07 | 徐州徐工矿业机械有限公司 | Hub reduction gear with two-stage planet carrier double-coupling structure |
| CN113357320B (en) * | 2021-05-28 | 2022-05-20 | 徐州徐工矿业机械有限公司 | Hub reduction gear with two-stage planet carrier double-coupling structure |
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| CN114538276B (en) * | 2022-04-22 | 2022-07-29 | 河南东起机械有限公司 | Crane wheel |
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| CN105465289B (en) | 2017-12-12 |
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Effective date of registration: 20211210 Address after: 213100 No. 99, Wuyi Road, Wujin District, Changzhou City, Jiangsu Province Patentee after: Changzhou CRRC Ruitai Equipment Technology Co.,Ltd. Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Address before: 213011 No. 51 Wuyi Road, Qishuyan, Changzhou, Jiangsu, 258 Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
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Address after: 213100 No. 99, Wuyi Road, Wujin District, Changzhou City, Jiangsu Province Patentee after: Changzhou CRRC Ruitai Equipment Technology Co.,Ltd. Country or region after: China Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Address before: 213100 No. 99, Wuyi Road, Wujin District, Changzhou City, Jiangsu Province Patentee before: Changzhou CRRC Ruitai Equipment Technology Co.,Ltd. Country or region before: China Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |