CN201747870U - Walking speed reducer for crane - Google Patents
Walking speed reducer for crane Download PDFInfo
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- CN201747870U CN201747870U CN2010205129603U CN201020512960U CN201747870U CN 201747870 U CN201747870 U CN 201747870U CN 2010205129603 U CN2010205129603 U CN 2010205129603U CN 201020512960 U CN201020512960 U CN 201020512960U CN 201747870 U CN201747870 U CN 201747870U
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 29
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract 1
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- 239000003921 oil Substances 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 3
- 239000000969 carrier Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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
- F16H1/46—Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The utility model discloses a walking speed reducer for a crane, comprising a casing, a brake, a first stage planet wheel mechanism, a second stage planet wheel mechanism and a three stage planet wheel mechanism, wherein the casing comprises a fixing body, a support flange, a barrel and an end cap, the first stage planet wheel mechanism comprises a first stage internal tooth ring, the third stage planet wheel mechanism comprises a three stage planet gear and a three stage planet rack, the first stage internal tooth ring is an independent component, the first stage internal tooth ring and the end cap are arranged on the right end of the barrel by the bolt, the center of the internal surface of the end cap has a block and is arranged on the right side of the right end plane of the first stage sun gear shaft, the three stage planet gear is sleeved on the planet gear shaft on the three stage planet rack, a roller is arranged the planet gear shaft and the three stage planet gear internal ring, a retaining ring is arranged between the axial rollers, and locating rings are arranged on the two sides of the retaining ring respectively. The walking speed reducer of the utility model has the advantages of compact structure, small volume, convenient machining, installation and maintenance.
Description
Technical field
The utility model relates to a kind of driving speed reducer that is used for hoist.
Background technique
Existing a kind of driving speed reducer that is used for hoist, it mainly contains housing, third-level planetary driving mechanism and break.The third-level planetary driving mechanism contains one-level planetary wheeling mechanism, secondary planet wheel mechanism and third-level planetary wheel mechanism.Because three ring gears of this driving speed reducer third-level planetary driving mechanism are overall structure, its difficulty of processing is big, and manufacturability is poor, the installation and maintenance inconvenience.This driving speed reducer is owing to realize slowing down by the third-level planetary driving mechanism, so output torque and reduction speed ratio are all bigger.The basic structure of one-level planetary wheeling mechanism, secondary planet wheel mechanism and third-level planetary wheel mechanism is roughly the same, all contain sun gear, planetary pinion, planet carrier and ring gear, planet carrier is provided with planet pin, on this planet pin bearing is housed, planetary pinion is sleeved on this bearing, and planetary pinion is meshed with ring gear and sun gear simultaneously.Prior art is for ensureing the requirement of strength of the third-level planetary driving mechanism that high pulling torque is exported, third-level planetary driving mechanism particularly afterbody planetary wheeling mechanism is that planet wheel shaft diameter on the planet carrier of third-level planetary wheel mechanism is all bigger, thereby causes this speed reducer to have bigger volume.
The model utility content
The technical problems to be solved in the utility model provides a kind of driving speed reducer that is used for hoist, and not only the compact structure volume is little for it, and processing, easy to installation and maintenance.
For solving the problems of the technologies described above, a kind of driving speed reducer that is used for hoist of the utility model, it contains housing, break, the one-level planetary wheeling mechanism, the secondary planet wheel mechanism, the third-level planetary wheel mechanism, housing comprises fixedly body, support flange, cylindrical shell and end cap, the left end of cylindrical shell is arranged on the right-hand member of support flange by bolt, support flange is arranged on the right surface of fixing body by bearing, on the right surface of support flange distance ring is housed and is positioned at the left side of bearing, the right-hand member of support flange is provided with locking nut, break contains cylinder body, spline housing, cylinder body right side outer surface is provided with external spline teeth, this external spline teeth and fixedly the inner spline gear that is provided with of body right side internal surface match and mesh, the left inner surface of spline housing is provided with inner spline gear, the one-level planetary wheeling mechanism comprises the one-level ring gear, primary planet pinion, primary planet carrier, the one-level sun gear, the one-level central gear shaft, the left part that the one-level central gear shaft is provided with spline tooth is installed in the spline housing left end inner splined hole, the one-level sun gear is arranged on the right part of one-level central gear shaft, the secondary planet wheel mechanism comprises the secondary ring gear, secondary planetary gear, the secondary planet frame, secondary sun gear, the third-level planetary wheel mechanism comprises three grades of ring gears, the third-level planetary gear, the third-level planetary frame, three grades of sun gears, the spline tooth that the right part of secondary sun gear is provided with is installed in the center hole of the band inner spline gear that primary planet carrier central authorities are provided with, on the center hole suit one-level central gear shaft that secondary sun gear central authorities are provided with, the secondary ring gear is arranged on the inwall of cylindrical shell right side, secondary planetary gear is by on the uniform planet pin that is arranged on the secondary planet frame of bearing, secondary planetary gear is meshed with secondary ring gear and secondary sun gear simultaneously, be provided with ring baffle between secondary sun gear and the one-level sun gear, the center hole of the band inner spline gear that secondary planet frame central authorities are provided with is sleeved on three grades of sun gears and is provided with on the right part of spline tooth, three grades of ring gears are arranged on the middle part of cylinder inboard wall, the third-level planetary gear is meshed with three grades of ring gears and three grades of sun gears simultaneously, the third-level planetary frame is provided with planet pin, the center hole of the band inner spline gear that third-level planetary frame central authorities are provided with is sleeved on outer surface of cylinder block and is provided with on the right part of external spline teeth, described one-level ring gear is parts independently, one-level ring gear and described end cap are arranged on the right-hand member of cylindrical shell by bolt, end cap internal surface central authorities are provided with block and are positioned at the right side of described one-level central gear shaft right side, described third-level planetary gear set is on the planet pin that is provided with on the described third-level planetary frame, be provided with roller between the inner ring of this planet pin and third-level planetary gear, axially be provided with back-up ring between the roller, these back-up ring both sides are respectively equipped with positioning ring.
The described one-level sun gear that is arranged on the one-level central gear shaft right part, with the one-level central gear shaft be an overall structure.
Described is three by the primary planet pinion on the uniform planet pin that is arranged on primary planet carrier of bearing, described is three to four by the secondary planetary gear on the uniform planet pin that is arranged on the secondary planet frame of bearing, and described is three to four by three planet gears on the uniform planet pin that the third-level planetary frame is set of roller.
External spline teeth on external spline teeth on the inner spline gear of the inner spline gear of the inner spline gear of described primary planet carrier center hole, secondary planet frame center hole, third-level planetary frame center hole, the one-level central gear shaft left part, the external spline teeth on the secondary sun gear right part, three grades of sun gear right parts, be the involute splines tooth.
Described end cap is provided with plug screw.
Described fixedly body is provided with air-breather.
Be provided with mechanical seal ring and V-shaped seal ring between described fixedly body and the support flange.
Described one-level ring gear, primary planet pinion, one-level sun gear, secondary ring gear, secondary planetary gear, secondary sun gear, three grades of ring gears, third-level planetary gear, three grades of sun gears, its modulus is non-standard modulus.
Because the one-level ring gear of the third-level planetary driving mechanism of above-mentioned driving speed reducer is parts independently, so to have overcome three ring gears of prior art be the deficiency that difficulty of processing is big, installation and maintenance are inconvenient that overall structure causes.Because the third-level planetary gear is sleeved on by roller on the planet pin of third-level planetary frame, therefore can reduces the size of third-level planetary gear and three grades of ring gears, thereby make above-mentioned driving speed reducer compact structure smaller volume simultaneously.
Description of drawings
Fig. 1 is a kind of structural representation that is used for the driving speed reducer of hoist of the utility model.
1. fixedly body, 2. bearing, 3. bolt, 4. support flanges among the figure, 5. third-level planetary frame, 6. cylindrical shell, 7. roller, 8. positioning ring, 9. back-up ring, 10. third-level planetary gear, 11. 3 grades of ring gears, 12. secondary ring gears, 13. secondary planetary gear, 14. bearings, 15. pins, 16. the one-level ring gear, 17. primary planet pinions, 18. end caps, 19. bearing, 20. secondary sun gears, 21. one-level central gear shafts, 22. block, 23. one-level sun gears, 24. plug screws, 25. ring baffle, 26. primary planet carriers, 27. secondary planet framves, 28. three grades of sun gears, 29. back-up rings, 30. bearings, 31. locking nut, 32. outside friction discs, 33. interior friction plates, 34. cylinder body, 35. hydraulic pressure oilholes, 36. distance rings, 37. the oil transportation hole, 38. pistons, 39. springs, 40. spline housing, 41. spring seat boards, 42. back-up rings, 43. air-breather, 44. mechanical seal rings, 45.V RunddichtringO.
Embodiment
Among Fig. 1, a kind of driving speed reducer that is used for hoist, it contains housing, break, one-level planetary wheeling mechanism, secondary planet wheel mechanism, third-level planetary wheel mechanism.Housing comprises fixedly body 1, support flange 4, cylindrical shell 6 and end cap 18.The left end of cylindrical shell 6 is arranged on the right-hand member of support flange 4 by bolt 3.Support flange 4 by the right surface that bearing 2 is arranged on fixing body 1 go up, distance ring 36 be housed on the right surface of support flange 4 and be positioned at the left side of bearing 2, the right-hand member of support flange 4 is provided with locking nut 31.Break contains spline housing 40, cylinder body 34, piston 38, spring 39, outside friction disc 32, interior friction plate 33.The left inner surface of spline housing 40 is provided with inner spline gear, and the middle part outer surface of spline housing 40 is provided with external spline teeth.Cylinder body 34 right side outer surfaces be provided with external spline teeth, this external spline teeth and fixedly the inner spline gear that is provided with of body 1 right side internal surface match and mesh, cylinder body 34 left sides are positioned at fixation machine body 1, fixedly are provided with back-up ring 42 and spring panel seat 41 in the body 1 successively and are positioned at the left side of cylinder body 34.Cylinder body 34 middle part internal surfaces are provided with inner spline gear.Piston 38 is positioned at cylinder body 34, and the right side of piston 38 is provided with annular boss, and the left side of piston 38 is provided with hole, and spring 39 is positioned at hole.The peritreme of interior friction plate 33 center holes and spline housing 40 middle part outer surfaces are provided with external spline teeth and are complementary and are sleeved on the spline tooth of spline housing 40 outer surfaces.The inner spline gear that the outward edge of outside friction disc 32 and cylinder body 34 internal surfaces are provided with matches and it is installed on the inner spline gear that cylinder body 34 internal surfaces are provided with.Interior friction plate 33 is arranged with outside friction disc 32 alternate combinations.Spline housing 40 right parts are provided with back-up ring 29, are provided with inner shield ring with these back-up ring 29 corresponding cylinder body 34 inwalls, the left side of back-up ring 29 and inner shield ring is provided with bearing 30, the inner ring of bearing 30 is sleeved on the right part of spline housing 40, the outer ring of bearing 30 is installed in the internal surface of cylinder body 34, and the left side of bearing 30 is provided with back-up ring.Cylinder body 34 is provided with hydraulic pressure oilhole 35, this hydraulic pressure oilhole 35 and links with the oil transportation hole 37 that fixing body is provided with.The external spline teeth that cylinder body 34 right side outer surfaces are provided with and fixedly the inner spline gear that is provided with of body 1 right side internal surface match and mesh.The one-level planetary wheeling mechanism comprises one-level ring gear 16, primary planet pinion 17, primary planet carrier 26, one-level sun gear 23, one-level central gear shaft 21.The left part that one-level central gear shaft 21 is provided with spline tooth is installed in the spline housing 40 left end inner splined holes, and one-level sun gear 23 is arranged on the right part of one-level central gear shaft 21.Primary planet pinion 17 is by on the uniform planet pin that is arranged on primary planet carrier 26 of bearing 19, and primary planet pinion 17 is meshed with one-level ring gear 16 and one-level sun gear 23 simultaneously.The secondary planet wheel mechanism comprises secondary ring gear 12, secondary planetary gear 13, secondary planet frame 27, secondary sun gear 20.The third-level planetary wheel mechanism comprises three grades of ring gears 11, third-level planetary gear 10, third-level planetary frame 5, three grades of sun gears 28.The spline tooth that the right part of secondary sun gear 20 is provided with is installed in the center hole of the band inner spline gear that primary planet carrier 26 central authorities are provided with, on the center hole suit one-level central gear shaft 21 that the central authorities of secondary sun gear 20 are provided with, secondary ring gear 12 is arranged on the cylindrical shell 6 right side inwalls, secondary planetary gear 13 is by on the uniform planet pin that is arranged on secondary planet frame 27 of bearing 14, and secondary planetary gear 13 is meshed with secondary ring gear 12 and secondary sun gear 20 simultaneously.Be provided with ring baffle 25 between secondary sun gear 20 and the one-level sun gear 23.The center hole of the band inner spline gear that secondary planet frame 27 central authorities are provided with is sleeved on three grades of sun gears 28 and is provided with on the right part of spline tooth, three grades of ring gears 11 are arranged on the middle part of cylindrical shell 6 inwalls, third-level planetary gear 10 is meshed with three grades of ring gears 12 and three grades of sun gears 28 simultaneously, third-level planetary frame 5 is provided with planet pin, and the center hole of the band inner spline gear that third-level planetary frame 5 central authorities are provided with is sleeved on cylinder body 34 outer surfaces and is provided with on the right part of external spline teeth.Be convenient processing, install and maintenance that one-level ring gear 16 is parts independently, one-level ring gear 16 and end cap 18 are arranged on by bolt on the right-hand member of cylindrical shell 6, for ease of locating, are provided with the pin 15 that is used to locate between one-level ring gear 16 and end cap 18.End cap 18 internal surface central authorities are provided with block 22 and are positioned at the right side, right side of one-level central gear shaft 21.Third-level planetary gear 10 is sleeved on third-level planetary frame 5 and is provided with on the planet pin, is provided with roller 7 between the inner ring of planet pin and third-level planetary gear 10, axially be provided with back-up ring 9 between the roller 7, these back-up ring 9 both sides are respectively equipped with positioning ring 8.Owing to directly be provided with roller 7 between the inner ring of the planet pin that is provided with of third-level planetary frame 5 and third-level planetary gear 10, between the inner ring of the planet pin of third-level planetary frame 5 and third-level planetary gear 10, be provided with bearing and cause speed reducer to have the deficiency of larger volume with regard to having overcome prior art like this.In practice, after the outer ring of roller bearing can being removed, be set directly between the inner ring of the planet pin of third-level planetary frame 5 and third-level planetary gear 10.In order to reduce volume, improve intensity and to be convenient to processing, be arranged on the one-level sun gear 23 on one-level central gear shaft 21 right-hand members, with one-level central gear shaft 21 be an overall structure.Be to improve intensity, the planet pin of primary planet carrier 26 is uniform to be made three and primary planet pinion 17 all is housed on it; In like manner, two planetary pinions 13 that bearing 14 is uniform to be arranged on the planet pin of secondary planet frame 27 are three to four, are three to four by three planet gears 10 on the uniform planet pin that third-level planetary frame 5 is set of roller 7.For the ease of processing, reducing production costs, external spline teeth on inner spline gear on inner spline gear on primary planet carrier 26 center holes, secondary planet frame 27 center holes, the inner spline gear on third-level planetary frame 5 center holes, the external spline teeth on one-level central gear shaft 21 left parts, the external spline teeth on secondary sun gear 20 right parts, three grades of sun gear 28 right parts, be the involute splines tooth.For ease of refueling and draining the oil, end cap 18 is provided with plug screw 24.The gas that produces for the ease of the internal cause oil temperature rise of discharging speed reducer, fixedly body 1 is provided with air-breather 43.For preventing that dust from entering in the speed reducer, fixedly be provided with mechanical seal ring 44 and V-shaped seal ring 45 between body 1 and the support flange 4.In order further to reduce the volume of speed reducer, one-level ring gear 16, primary planet pinion 17, one-level sun gear 23, secondary ring gear 12, secondary planetary gear 13, secondary sun gear 20, three grades of ring gears 11, third-level planetary gear 10, three grades of sun gears 28, its modulus is non-standard modulus.Because the one-level ring gear 16 of the third-level planetary driving mechanism of above-mentioned driving speed reducer is parts independently, so to have overcome three ring gears of prior art be the deficiency that difficulty of processing is big, installation and maintenance are inconvenient that overall structure causes.Because third-level planetary gear 10 is sleeved on by roller 7 on the planet pin of third-level planetary frame 5, therefore can reduces the size of third-level planetary gear 10 and three grades of ring gears 11, thereby make above-mentioned driving speed reducer compact structure smaller volume simultaneously.During work, hydraulic motor output shaft is installed in the left end of spline housing 40, hydraulic oil enters in it by the hydraulic pressure oilhole 35 of oil transportation hole 37 on cylinder body 34 that fixing support 1 is provided with, promotion piston 38 overcomes the elastic force of spring 39 and shifts to the left side, at this moment be in loose condition (of surface) between interior friction plate 33 and the outside friction disc 32, braking is disengaged, hydraulic motor output shaft drives spline housing 40 and rotates, spline housing 40 drives the one-level planetary wheeling mechanism, the secondary planet wheel mechanism, the secondary planet wheel mechanism, cylindrical shell 6 and support flange 4 rotate, last support flange 4 drives the walking sprocket rotation that is provided with on it, the hoist operation of walking.
Claims (8)
1. driving speed reducer that is used for hoist, it contains housing, break, the one-level planetary wheeling mechanism, the secondary planet wheel mechanism, the third-level planetary wheel mechanism, housing comprises fixedly body, support flange, cylindrical shell and end cap, the left end of cylindrical shell is arranged on the right-hand member of support flange by bolt, support flange is arranged on the right surface of fixing body by bearing, on the right surface of support flange distance ring is housed and is positioned at the left side of bearing, the right-hand member of support flange is provided with locking nut, break contains cylinder body, spline housing, cylinder body right side outer surface is provided with external spline teeth, this external spline teeth and fixedly the inner spline gear that is provided with of body right side internal surface match and mesh, the left inner surface of spline housing is provided with inner spline gear, the one-level planetary wheeling mechanism comprises the one-level ring gear, primary planet pinion, primary planet carrier, the one-level sun gear, the one-level central gear shaft, the left part that the one-level central gear shaft is provided with spline tooth is installed in the spline housing left end inner splined hole, the one-level sun gear is arranged on the right part of one-level central gear shaft, the secondary planet wheel mechanism comprises the secondary ring gear, secondary planetary gear, the secondary planet frame, secondary sun gear, the third-level planetary wheel mechanism comprises three grades of ring gears, the third-level planetary gear, the third-level planetary frame, three grades of sun gears, the spline tooth that the right part of secondary sun gear is provided with is installed in the center hole of the band inner spline gear that primary planet carrier central authorities are provided with, on the center hole suit one-level central gear shaft that secondary sun gear central authorities are provided with, the secondary ring gear is arranged on the inwall of cylindrical shell right side, secondary planetary gear is by on the uniform planet pin that is arranged on the secondary planet frame of bearing, secondary planetary gear is meshed with secondary ring gear and secondary sun gear simultaneously, be provided with ring baffle between secondary sun gear and the one-level sun gear, the center hole of the band inner spline gear that secondary planet frame central authorities are provided with is sleeved on three grades of sun gears and is provided with on the right part of spline tooth, three grades of ring gears are arranged on the middle part of cylinder inboard wall, the third-level planetary gear is meshed with three grades of ring gears and three grades of sun gears simultaneously, the third-level planetary frame is provided with planet pin, the center hole of the band inner spline gear that third-level planetary frame central authorities are provided with is sleeved on outer surface of cylinder block and is provided with on the right part of external spline teeth, it is characterized in that: described one-level ring gear is parts independently, one-level ring gear and described end cap are arranged on the right-hand member of cylindrical shell by bolt, end cap internal surface central authorities are provided with block and are positioned at the right side of described one-level central gear shaft right side, described third-level planetary gear set is on the planet pin that is provided with on the described third-level planetary frame, be provided with roller between the inner ring of this planet pin and third-level planetary gear, axially be provided with back-up ring between the roller, these back-up ring both sides are respectively equipped with positioning ring.
2. a kind of driving speed reducer that is used for hoist according to claim 1 is characterized in that: the described one-level sun gear that is arranged on the one-level central gear shaft right part, with the one-level central gear shaft be an overall structure.
3. a kind of driving speed reducer that is used for hoist according to claim 1, it is characterized in that: described is three by the primary planet pinion on the uniform planet pin that is arranged on primary planet carrier of bearing, described is three to four by the secondary planetary gear on the uniform planet pin that is arranged on the secondary planet frame of bearing, and described is three to four by three planet gears on the uniform planet pin that the third-level planetary frame is set of roller.
4. a kind of driving speed reducer that is used for hoist according to claim 1, it is characterized in that: the external spline teeth on the external spline teeth on the inner spline gear of the inner spline gear of described primary planet carrier center hole, secondary planet frame center hole, the inner spline gear of third-level planetary frame center hole, the one-level central gear shaft left part, the external spline teeth on the secondary sun gear right part, three grades of sun gear right parts, be the involute splines tooth.
5. a kind of driving speed reducer that is used for hoist according to claim 1, it is characterized in that: described end cap is provided with plug screw.
6. a kind of driving speed reducer that is used for hoist according to claim 1 is characterized in that: described fixedly body is provided with air-breather.
7. a kind of driving speed reducer that is used for hoist according to claim 1 is characterized in that: be provided with mechanical seal ring and V-shaped seal ring between described fixedly body and the support flange.
8. a kind of driving speed reducer that is used for hoist according to claim 1, it is characterized in that: described one-level ring gear, primary planet pinion, one-level sun gear, secondary ring gear, secondary planetary gear, secondary sun gear, three grades of ring gears, third-level planetary gear, three grades of sun gears, its modulus is non-standard modulus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205129603U CN201747870U (en) | 2010-09-01 | 2010-09-01 | Walking speed reducer for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205129603U CN201747870U (en) | 2010-09-01 | 2010-09-01 | Walking speed reducer for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201747870U true CN201747870U (en) | 2011-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205129603U Expired - Fee Related CN201747870U (en) | 2010-09-01 | 2010-09-01 | Walking speed reducer for crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201747870U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956787A (en) * | 2010-09-01 | 2011-01-26 | 江苏驰翔精密齿轮有限公司 | Traveling speed reducer for crane |
| CN103671862A (en) * | 2012-09-21 | 2014-03-26 | 罗伯特·博世有限公司 | Hub nut for a planetary transmission and planetary transmission |
| CN108757910A (en) * | 2018-07-05 | 2018-11-06 | 苏州亚太金属有限公司 | A kind of excavator walking gear case |
| CN110921516A (en) * | 2019-12-09 | 2020-03-27 | 江苏昱博自动化设备有限公司 | Hanging rail lifting machine |
| CN111219458A (en) * | 2018-11-23 | 2020-06-02 | 广西柳工机械股份有限公司 | Planetary gear module for a rotary drive |
| CN111720498A (en) * | 2020-07-02 | 2020-09-29 | 江苏胜立特机械有限公司 | Small-size planetary gear reducer with large transmission ratio |
| CN114538276A (en) * | 2022-04-22 | 2022-05-27 | 河南东起机械有限公司 | Crane wheel |
-
2010
- 2010-09-01 CN CN2010205129603U patent/CN201747870U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956787A (en) * | 2010-09-01 | 2011-01-26 | 江苏驰翔精密齿轮有限公司 | Traveling speed reducer for crane |
| CN101956787B (en) * | 2010-09-01 | 2013-04-17 | 江苏驰翔精密齿轮有限公司 | Traveling speed reducer for crane |
| CN103671862A (en) * | 2012-09-21 | 2014-03-26 | 罗伯特·博世有限公司 | Hub nut for a planetary transmission and planetary transmission |
| CN103671862B (en) * | 2012-09-21 | 2017-09-22 | 罗伯特·博世有限公司 | Hub nut and epicyclic transmission mechanism for epicyclic transmission mechanism |
| CN108757910A (en) * | 2018-07-05 | 2018-11-06 | 苏州亚太金属有限公司 | A kind of excavator walking gear case |
| CN111219458A (en) * | 2018-11-23 | 2020-06-02 | 广西柳工机械股份有限公司 | Planetary gear module for a rotary drive |
| CN111219458B (en) * | 2018-11-23 | 2022-02-18 | 广西柳工机械股份有限公司 | Planetary gear module for a rotary drive |
| CN110921516A (en) * | 2019-12-09 | 2020-03-27 | 江苏昱博自动化设备有限公司 | Hanging rail lifting machine |
| CN110921516B (en) * | 2019-12-09 | 2020-07-03 | 江苏昱博自动化设备有限公司 | Hanging rail lifting machine |
| CN111720498A (en) * | 2020-07-02 | 2020-09-29 | 江苏胜立特机械有限公司 | Small-size planetary gear reducer with large transmission ratio |
| CN114538276A (en) * | 2022-04-22 | 2022-05-27 | 河南东起机械有限公司 | Crane wheel |
| CN114538276B (en) * | 2022-04-22 | 2022-07-29 | 河南东起机械有限公司 | Crane wheel |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20130901 |