CN108116997B - H-shaped power transmission bearing structure for winch - Google Patents

H-shaped power transmission bearing structure for winch Download PDF

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Publication number
CN108116997B
CN108116997B CN201711150719.3A CN201711150719A CN108116997B CN 108116997 B CN108116997 B CN 108116997B CN 201711150719 A CN201711150719 A CN 201711150719A CN 108116997 B CN108116997 B CN 108116997B
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China
Prior art keywords
end cover
main shaft
assembly
planet carrier
gear
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CN201711150719.3A
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CN108116997A (en
Inventor
杨涛
周珍明
焦保坤
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Guizhou Aerospace Linquan Motor Co Ltd
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Guizhou Aerospace Linquan Motor Co Ltd
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Priority to CN201711150719.3A priority Critical patent/CN108116997B/en
Publication of CN108116997A publication Critical patent/CN108116997A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/14—Power transmissions between power sources and drums or barrels
    • B66D1/22—Planetary or differential gearings, i.e. with planet gears having movable axes of rotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28—Other constructional details
    • B66D1/30—Rope, cable, or chain drums or barrels
    • 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Retarders (AREA)

Abstract

The invention provides an H-shaped power transmission bearing structure for a winch, which comprises a left end cover, a right end cover and a winding drum assembly, wherein the left end cover is connected with the right end cover; the left end cover and the right end cover are respectively arranged at two ends of the winding drum component, a main shaft component, a planet carrier component II and a planet carrier component I are sequentially arranged on one side of the winding drum component, a rolling bearing is arranged between the winding drum component and the main shaft component, and the left end cover, the right end cover and the main shaft component form a rack; the left end cover is fixed on the main shaft assembly through a screw I, the right end cover is fixed on the main shaft assembly through a screw II and a screw III, and a bearing retainer ring II is arranged on the right end cover. The invention can bear the lifting gravity while effectively transmitting power, has enough strength and rigidity, has large lifting load weight of about 1.2T, small effective diameter of the winch of 78mm and short axial dimension of only 226mm, has compact structural design, effectively reduces the weight, and can realize large load output and gravity support under small volume.

Description

H-shaped power transmission bearing structure for winch
Technical Field
The invention relates to an H-shaped power transmission bearing structure for a winch, and belongs to the technical field of H-shaped power design for winches.
Background
The winch structure is an outer rotor structure, an outer rotor of the winch structure not only bears the gravity of a hoisting load, but also transfers driving torque for the hoisting load, the structure is an important component of a hanging rack system for a built-in magazine of a new generation of airplane, and is limited by the volume and the weight of a carrier, the rigidity and the strength of the existing load transfer structure are poor, the weight is heavy, and large-load output and gravity support cannot be achieved under a small volume.
Disclosure of Invention
In order to solve the technical problems, the invention provides an H-shaped power transmission bearing structure for a winch, which adopts an integrated design for the H-shaped power transmission bearing structure, has enough rigidity and strength when bearing lifting gravity, and simultaneously adopts a multi-gear meshing mode to provide driving torque for a winding drum.
The invention is realized by the following technical scheme.
The invention provides an H-shaped power transmission bearing structure for a winch, which comprises a left end cover, a right end cover and a winding drum assembly, wherein the left end cover is connected with the right end cover; the left end cover and the right end cover are respectively arranged at two ends of the winding drum component, a main shaft component, a planet carrier component II and a planet carrier component I are sequentially arranged on one side of the winding drum component, a rolling bearing is arranged between the winding drum component and the main shaft component, and the left end cover, the right end cover and the main shaft component form a rack; the left end cover is fixed on the main shaft assembly through a screw I, the right end cover is fixed on the main shaft assembly through a screw II and a screw III, and a bearing retainer ring II is arranged on the right end cover; all be equipped with the bearing ball in left end lid, the right-hand member lid, one side of left end lid, right-hand member lid all is equipped with the bearing, and the bearing is adjacent with planet carrier subassembly I, and the bearing ball is adjacent with the reel subassembly.
The rolling bearing comprises a retainer II and a screw VI, an inner hole is formed in the middle of the retainer II, a retainer I and a bearing roller pin I are sequentially arranged on the outer side of the retainer II, and the retainer I is fixed on the retainer II through the screw VI.
The other side of the winding drum component is provided with a pressing shaft and a protective sleeve in turn, and one end of the protective sleeve is provided with a locking nut.
The reel subassembly comprises reel and sleeve, and the reel setting is in telescopic outside.
Three-stage gear transmission is arranged in the sleeve and is respectively engaged with a two-stage planetary reduction gear and a one-stage internal gear.
The two-stage planetary reduction is respectively a planet carrier component II and a planet carrier component I, and a primary inner gear is meshed with a main shaft component.
Planet carrier subassembly I includes planet wheel I and planet carrier I, is equipped with the ring gear in planet carrier I, and I middle part of planet wheel is equipped with the hole, and planet wheel I meshes with the ring gear, is equipped with axle I in the hole of planet wheel I, and one side of axle I is equipped with kingpin I, and the one end of kingpin I is equipped with kingpin retaining ring I.
The planet carrier assembly II comprises a planet carrier II, a planet wheel II and a screw V, an inner gear ring is arranged in the planet carrier II, an inner hole is formed in the middle of the planet wheel II, the planet wheel II is meshed with the inner gear ring, a shaft II is arranged in the inner hole of the planet wheel II, a bearing needle roller II is arranged on one side of the shaft II, and a needle roller retainer ring II is arranged on one side of the bearing needle roller II; and one end of the shaft II is provided with a bearing retainer ring I, and the bearing retainer ring I is fixed on the shaft II through a screw V.
The spindle assembly comprises a gear assembly, an inner gear and a screw IV, wherein an inner gear ring is arranged in the gear assembly, an inner hole is formed in the inner gear, the inner gear is meshed with the inner gear ring, a pin I is arranged between the gear assembly and the inner gear, and a pin II is arranged below the pin I; a main shaft I is arranged in an inner hole of the internal gear and is fixed on the gear assembly through a screw IV;
the gear assembly comprises a main shaft II and a shaft III, a jack is arranged on the main shaft II, the shaft III is positioned in the jack, a gear is arranged on the shaft III, a roller pin II is arranged on one side of the gear, and a roller pin retainer ring III is arranged at one end of the roller pin II; the main shaft I is fixed on the main shaft II.
Planet carrier I meshes with planet wheel II, and planet wheel I, planet carrier II all mesh with the internal gear, and main shaft II is connected with the hole of holder II.
The invention has the beneficial effects that: the hoisting device can bear hoisting gravity while effectively transmitting power, has enough strength and rigidity, has large hoisting load weight of about 1.2T, small effective diameter of a winch of 78mm and short axial dimension of only 226mm, has compact structural design, effectively reduces weight, and can realize large load output and gravity support under small volume.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the left end cap of the present invention;
FIG. 3 is a schematic structural view of the right end cap of the present invention;
FIG. 4 is a schematic view of the construction of the hold down shaft of the present invention;
FIG. 5 is a schematic view of the construction of the spool assembly of the present invention;
FIG. 6 is a top plan view of the planet carrier assembly member I of the present invention;
FIG. 7 is a cross-sectional schematic view of FIG. 6;
FIG. 8 is a top plan view of the planet carrier assembly member II of the present invention;
FIG. 9 is a cross-sectional schematic view of FIG. 8;
FIG. 10 is a top plan view of the spindle assembly of the present invention;
FIG. 11 is a cross-sectional schematic view of FIG. 10;
fig. 12 is a plan view of the rolling bearing of the present invention;
FIG. 13 is a cross-sectional schematic view of FIG. 12;
FIG. 14 is a top view of the gear assembly;
FIG. 15 is a cross-sectional schematic view of FIG. 14;
in the figure: 1-left end cap, 2-right end cap, 3-rolling bearing, 31-cage II, 32-screw VI, 33-cage I, 34-bearing needle I, 4-planet carrier assembly I, 41-planet wheel I, 42-planet carrier I, 43-needle I, 44-needle retainer I, 45-shaft I, 5-planet carrier assembly II, 51-planet carrier II, 52-planet wheel II, 53-bearing retainer I, 54-shaft II, 55-bearing needle II, 56-needle retainer II, 57-screw V, 6-spindle assembly, 61-gear assembly, 62-internal gear, 63-spindle I, 64-pin I, 65-screw IV, 66-pin II, 611-spindle II, 612-spindle III, 613-needle roller retainer III, 614-gear, 615-needle roller II, 7-roller assembly, 71-roller, 72-sleeve, 8-screw I, 9-pressing shaft, 10-locking nut, 11-protective sleeve, 12-bearing retainer II, 13-screw II, 14-screw III, 15-bearing and 16-bearing ball.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, an H-shaped power transmission load-bearing structure for a winch comprises a left end cover 1, a right end cover 2 and a winding drum assembly 7; the left end cover 1 and the right end cover 2 are respectively arranged at two ends of the winding drum component 7, a main shaft component 6, a planet carrier component II 5 and a planet carrier component I4 are sequentially arranged on one side of the winding drum component 7, a rolling bearing 3 is arranged between the winding drum component 7 and the main shaft component 6, and the left end cover 1, the right end cover 2 and the main shaft component 6 form a frame and serve as a supporting main body; the left end cover 1 is fixed on the main shaft assembly 6 through a screw I8, the right end cover 2 is fixed on the main shaft assembly 6 through a screw II 13 and a screw III 14, and a bearing retainer ring II 12 is arranged on the right end cover 2, as shown in figures 2 and 3; bearing balls 16 are arranged in the left end cover 1 and the right end cover 2, bearings 15 are arranged on one sides of the left end cover 1 and the right end cover 2, the bearings 15 are adjacent to the planet carrier assembly I4, and the bearing balls 16 are adjacent to the winding drum assembly 7; the reel assembly 7 is radially supported through a rolling bearing 3, and the bearing balls 16 in the left end cover 1 and the right end cover 2 are axially positioned.
The rolling bearing 3 comprises a retainer II 31 and a screw VI 32, an inner hole is formed in the middle of the retainer II 31, a retainer I33 and a bearing needle roller I34 are sequentially arranged on the outer side of the retainer II 31, and the retainer I33 is fixed on the retainer II 31 through the screw VI 32, as shown in fig. 12 and 13.
The other side of the winding drum component 7 is provided with a pressing shaft 9 and a protective sleeve 11 in turn, and one end of the protective sleeve 11 is provided with a locking nut 10, as shown in fig. 4.
The spool assembly 7 is composed of a spool 71 and a sleeve 72, and the spool 71 is disposed outside the sleeve 72, as shown in fig. 5.
Three-stage gear transmission is arranged in the sleeve 72 and respectively comprises two-stage planetary reduction and one-stage internal gear meshing, the two-stage planetary reduction transmits power to the one-stage internal gear meshing, the one-stage internal gear meshing drives the rolling bearing 3 to move, and the power is transmitted to the rolling bearing 3.
The two-stage planetary reduction is respectively a planet carrier component II 5 and a planet carrier component I4, and a primary internal gear is meshed with a main shaft component 6.
The planet carrier assembly I4 comprises a planet wheel I41 and a planet carrier I42, an inner gear ring is arranged in the planet carrier I42, an inner hole is formed in the middle of the planet wheel I41, the planet wheel I41 is meshed with the inner gear ring, a shaft I45 is arranged in the inner hole of the planet wheel I41, a roller I43 is arranged on one side of the shaft I45, and a roller retainer I44 is arranged at one end of the roller I43, as shown in FIGS. 6 and 7.
The planet carrier assembly II 5 comprises a planet carrier II 51, a planet wheel II 52 and a screw V57, an inner gear ring is arranged in the planet carrier II 51, an inner hole is formed in the middle of the planet wheel II 52, the planet wheel II 52 is meshed with the inner gear ring, a shaft II 54 is arranged in the inner hole of the planet wheel II 52, a bearing needle roller II 55 is arranged on one side of the shaft II 54, and a needle roller retainer II 56 is arranged on one side of the bearing needle roller II 55; one end of the shaft II 54 is provided with a bearing retainer I53, and the bearing retainer I53 is fixed on the shaft II 54 through a screw V57, as shown in figures 8 and 9.
The spindle assembly 6 comprises a gear assembly 61, an internal gear 62 and a screw IV 65, wherein an internal gear ring is arranged in the gear assembly 61, an inner hole is formed in the internal gear 62, the internal gear 62 is meshed with the internal gear ring, a pin I64 is arranged between the gear assembly 61 and the internal gear 62, and a pin II 66 is arranged below the pin I64; a main shaft I63 is arranged in an inner hole of the internal gear 62, and the main shaft I63 is fixed on the gear assembly 61 through a screw IV 65, as shown in FIGS. 10 and 11; the gear assembly 61 comprises a main shaft II 611 and a shaft III 612, the main shaft II 611 is provided with a jack, the shaft III 612 is located in the jack, the shaft III 612 is provided with a gear 614, one side of the gear 614 is provided with a roller pin II 615, and one end of the roller pin II 615 is provided with a roller pin retaining ring III 613; the main shaft i 63 is fixed to a main shaft ii 611, as shown in fig. 14 and 15.
The planet carrier I42 is meshed with the planet wheel II 52, the planet wheel I41 and the planet carrier II 51 are both meshed with the internal gear 62, and the main shaft II 611 is connected with an inner hole of the retainer II 31.

Claims (10)

1. The utility model provides a H type power transmission load-bearing structure for winch, includes left end lid (1), right-hand member lid (2), reel subassembly (7), its characterized in that: the left end cover (1) and the right end cover (2) are respectively arranged at two ends of the winding drum component (7), one side of the winding drum component (7) is sequentially provided with a main shaft component (6), a planet carrier component II (5) and a planet carrier component I (4), a rolling bearing (3) is arranged between the winding drum component (7) and the main shaft component (6), and the left end cover (1), the right end cover (2) and the main shaft component (6) form a rack; the left end cover (1) is fixed on the main shaft assembly (6) through a screw I (8), the right end cover (2) is fixed on the main shaft assembly (6) through a screw II (13) and a screw III (14), and a bearing retainer ring II (12) is arranged on the right end cover (2); all be equipped with bearing ball (16) in left end lid (1), right-hand member lid (2), one side of left end lid (1), right-hand member lid (2) all is equipped with bearing (15), and bearing (15) are adjacent with planet carrier subassembly I (4), and bearing ball (16) are adjacent with reel subassembly (7).
2. The H-shaped power transmitting load bearing structure for a winch of claim 1, wherein: the rolling bearing (3) comprises a retainer II (31) and a screw VI (32), an inner hole is formed in the middle of the retainer II (31), a retainer I (33) and a bearing roller pin I (34) are sequentially arranged on the outer side of the retainer II (31), and the retainer I (33) is fixed on the retainer II (31) through the screw VI (32).
3. The H-shaped power transmitting load bearing structure for a winch of claim 1, wherein: the other side of the winding drum component (7) is provided with a pressing shaft (9) and a protective sleeve (11) in turn, and one end of the protective sleeve (11) is provided with a locking nut (10).
4. The H-shaped power transmitting load bearing structure for a winch of claim 3, wherein: the winding drum assembly (7) is composed of a winding drum (71) and a sleeve (72), and the winding drum (71) is arranged on the outer side of the sleeve (72).
5. The H-shaped power transmitting load bearing structure for a winch of claim 4, wherein: three-stage gear transmission is arranged in the sleeve (72) and is respectively a two-stage planetary reduction and a one-stage internal gear meshing.
6. The H-shaped power transmitting load bearing structure for a winch of claim 5, wherein: the two-stage planetary reduction is respectively planet carrier assembly II (5) and planet carrier assembly I (4), and the meshing of one-stage internal gear is main shaft assembly (6).
7. The H-shaped power transmitting load bearing structure for a winch of claim 6, wherein: the planet carrier assembly I (4) comprises a planet wheel I (41) and a planet carrier I (42), an inner gear ring is arranged in the planet carrier I (42), an inner hole is formed in the middle of the planet wheel I (41), the planet wheel I (41) is meshed with the inner gear ring, a shaft I (45) is arranged in the inner hole of the planet wheel I (41), a roller pin I (43) is arranged on one side of the shaft I (45), and a roller pin retainer ring I (44) is arranged at one end of the roller pin I (43).
8. The H-shaped power transmitting load bearing structure for a winch of claim 6, wherein: the planet carrier assembly II (5) comprises a planet carrier II (51), a planet wheel II (52) and a screw V (57), an inner gear ring is arranged in the planet carrier II (51), an inner hole is formed in the middle of the planet wheel II (52), the planet wheel II (52) is meshed with the inner gear ring, a shaft II (54) is arranged in the inner hole of the planet wheel II (52), a bearing needle roller II (55) is arranged on one side of the shaft II (54), and a needle roller retainer II (56) is arranged on one side of the bearing needle roller II (55); one end of the shaft II (54) is provided with a bearing retainer ring I (53), and the bearing retainer ring I (53) is fixed on the shaft II (54) through a screw V (57).
9. The H-shaped power transmitting load bearing structure for a winch of claim 6, wherein: the spindle assembly (6) comprises a gear assembly (61), an internal gear (62) and a screw IV (65), wherein an internal gear ring is arranged in the gear assembly (61), an inner hole is formed in the internal gear (62), the internal gear (62) is meshed with the internal gear ring, a pin I (64) is arranged between the gear assembly (61) and the internal gear (62), and a pin II (66) is arranged below the pin I (64); a main shaft I (63) is arranged in an inner hole of the inner gear (62), and the main shaft I (63) is fixed on the gear assembly (61) through a screw IV (65);
the gear assembly (61) comprises a main shaft II (611) and a shaft III (612), a jack is arranged on the main shaft II (611), the shaft III (612) is located in the jack, a gear (614) is arranged on the shaft III (612), a roller pin II (615) is arranged on one side of the gear (614), and a roller pin retaining ring III (613) is arranged at one end of the roller pin II (615); the main shaft I (63) is fixed on the main shaft II (611).
10. The H-shaped power transmitting load bearing structure for a winch of claim 7, wherein: the planet carrier I (42) is meshed with the planet wheel II (52), the planet wheel I (41) and the planet carrier II (51) are both meshed with the internal gear (62), and the main shaft II (611) is connected with an inner hole of the retainer II (31).
CN201711150719.3A 2017-11-18 2017-11-18 H-shaped power transmission bearing structure for winch Active CN108116997B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711150719.3A CN108116997B (en) 2017-11-18 2017-11-18 H-shaped power transmission bearing structure for winch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711150719.3A CN108116997B (en) 2017-11-18 2017-11-18 H-shaped power transmission bearing structure for winch

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CN108116997B true CN108116997B (en) 2020-04-24

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116443755B (en) * 2023-04-25 2023-10-20 徐州博远传动机械有限公司 Planet wheel limiting equipment for lifting mechanism

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206398053U (en) * 2016-11-22 2017-08-11 徐州圣邦机械有限公司 The hoist engine lubricant passage way system that a kind of side coil refuels

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5613419B2 (en) * 2010-01-22 2014-10-22 Ｇｋｎドライブラインジャパン株式会社 Power transmission device
CN101880015B (en) * 2010-06-09 2012-10-10 江苏驰翔精密齿轮有限公司 Hoisting speed reducer for crane
CN201747867U (en) * 2010-07-28 2011-02-16 浙江军联机械电子控股有限公司 Static hydraulic rotary speed reducer
CN201739443U (en) * 2010-08-09 2011-02-09 中信重工机械股份有限公司 Parallel shaft type planetary gear reducer of large-sized rolling press
CN201787049U (en) * 2010-09-26 2011-04-06 泰安泰山福神齿轮箱有限责任公司 Connection device of a planet wheel and a planet rack
CN102205933A (en) * 2011-03-25 2011-10-05 胡世璇 Hydraulic winch with built-in variable axial piston hydraulic motor
CN202214178U (en) * 2011-08-04 2012-05-09 安徽省六安市朝晖机械制造有限公司 Winch
CN102358585B (en) * 2011-08-25 2013-08-07 沈佐华 Built-in compact-typed winch transmission device
CN102518413B (en) * 2011-12-29 2015-01-07 天津机电职业技术学院 Two-stage planetary reduction pumping unit with built-in winding drum

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206398053U (en) * 2016-11-22 2017-08-11 徐州圣邦机械有限公司 The hoist engine lubricant passage way system that a kind of side coil refuels

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