CN201704007U - Hoisting speed reducer for crane - Google Patents
Hoisting speed reducer for crane Download PDFInfo
- Publication number
- CN201704007U CN201704007U CN2010202200480U CN201020220048U CN201704007U CN 201704007 U CN201704007 U CN 201704007U CN 2010202200480 U CN2010202200480 U CN 2010202200480U CN 201020220048 U CN201020220048 U CN 201020220048U CN 201704007 U CN201704007 U CN 201704007U
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 20
- 230000008878 coupling Effects 0.000 claims abstract description 39
- 238000010168 coupling process Methods 0.000 claims abstract description 39
- 238000005859 coupling reaction Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model discloses a hoisting speed reducer for a crane. A shell of the speed reducer comprises a fixed seat, a barrel and an end cover. A brake of the speed reducer comprises a coupling sleeve and a cylinder body. A first-stage planet gear mechanism of the speed reducer comprises a first-stage inner gear ring, a first-stage planet gear, a first-stage planet rack, a first-stage sun gear and a first-stage sun gear shaft, wherein a spline gear on the first-stage sun gear shaft is inserted into an inner spline hole at the right end of the coupling sleeve; the first-stage planet gear is engaged with the first-stage inner gear ring and the first-stage sun gear. A second-stage planet gear mechanism of the speed reducer comprises a second-stage inner gear ring, a second-stage planet gear, a second-stage planet rack and a second-stage sun gear, wherein a spline gear on the right end part of the second-stage sun gear is inserted into an inner spline gear central hole in the center of the first-stage planet rack; the second-stage planet gear is engaged with the second-stage inner gear ring and the second-stage sun gear at the same time; and the central hole with the inner spline gear in the center of the second-stage planet rack is sleeved on the outer spline gear sleeved on a right platform cylinder on the outer surface of the cylinder body. The speed reducer has the advantages of compact structure and low power consumption.
Description
Technical field
The utility model relates to the hoisting speed reducer that a kind of hoisting crane is used.
Background technology
Existing a kind of hoisting mechanism that is used for hoisting crane mainly contains HM Hydraulic Motor, drg, retarder and reel.The HM Hydraulic Motor and the drg of this hoisting mechanism link, and drg and retarder link, and the output shaft of retarder links by coupler and reel.Because it is that cycloidal-pin wheel subtracts device that above-mentioned HM Hydraulic Motor, drg, retarder are independently cell cube, particularly retarder, so its occupation space is big especially, and said mechanism makes watt loss bigger by repeatedly connecting.
The utility model content
The technical problems to be solved in the utility model provides the hoisting speed reducer that a kind of hoisting crane is used, it not only compact conformation take up space for a short time, and can reduce the watt loss of hoisting mechanism.
For solving the problems of the technologies described above, the hoisting speed reducer that a kind of hoisting crane of the utility model is used, it contains housing, drg, also contains one-level planetary wheeling mechanism, secondary planet wheel mechanism; Described housing comprises permanent seat, cylindrical shell and end cap, end cap is arranged on the right-hand member of cylindrical shell by bolt, the end cap inside face is provided with baffle ring, end cap inside face central authorities are provided with locating piece, the right side that the left end of cylindrical shell is contained on the surface of right part of permanent seat by bearing carrier ring and steady ring, bearing are equipped with in the left side of bearing is provided with back-up ring and stop nut successively, be provided with sealing arrangement between the left end of cylindrical shell and the permanent seat, the inner chamber body of permanent seat is that the inside face of three rank round platform column structure shapes, its right Rotary-table is provided with inner spline gear; Described drg contains coupling sleeve, cylinder body, piston, spring, outside friction disc, the internal friction sheet, the left side of coupling sleeve, be respectively equipped with inner spline gear on the inside face at right two ends, the middle part outside face of coupling sleeve is provided with external spline teeth, outer surface of cylinder block is a second order round platform column structure shape, inner surface of cylinder block is three rank Rotary-table planforms, the outside face of the right round platform cylinder of outer surface of cylinder block is provided with external spline teeth, the inner spline gear that the inside face of right Rotary-table is provided with in this external spline teeth and the permanent seat matches and meshes, outer surface of cylinder block left side round platform cylinder is arranged in permanent seat inner chamber round platform cylinder, the left side of cylinder body is provided with ring baffle, this baffle plate is installed in the permanent seat inner chamber in the round platform cylinder, the inner hole sleeve of this baffle plate is contained on the left end of coupling sleeve, be provided with left back-up ring in the permanent seat inner chamber body in the round platform cylinder and be positioned at the left side of ring baffle, the right Rotary-table of inner surface of cylinder block is provided with inner spline gear, the piston appearance is a second order Rotary-table structure, its left Rotary-table is arranged in the inner surface of cylinder block Rotary-table, the right side of piston is provided with annular boss, the left side of piston is provided with hole, spring is positioned at hole, the internal friction sheet is annular steel disc, its central authorities are provided with centre hole, the spline tooth that the peritreme of this centre hole and coupling sleeve outside face are provided with is complementary and is sleeved on the spline tooth of coupling sleeve outside face, outside friction disc is annular steel disc, its central authorities are provided with centre hole, establish on the Rotary-table of the outward flange of an outside friction disc and inner surface of cylinder block left side that inner spline gear matches and it is installed on the inner spline gear that inner surface of cylinder block left side Rotary-table is provided with, internal friction sheet and outside friction disc alternate combinations are arranged, the coupling sleeve right-hand member is provided with right outer back-up ring, be provided with right inner shield ring with the inwall of the right Rotary-table of the corresponding inner surface of cylinder block of back-up ring outside this right side, the left side of right outer back-up ring and right inner shield ring is provided with bearing, bearing cone is sleeved on the right part of coupling sleeve, the outer ring of bearing is installed in the right Rotary-table of inner surface of cylinder block, the left side of bearing is provided with back-up ring, the inner hole sleeve of this back-up ring is contained on the coupling sleeve, the outward flange of this back-up ring is installed in the right Rotary-table of inner surface of cylinder block, and inner surface of cylinder block left side Rotary-table is provided with the hydraulic pressure oilhole, the oil transportation hole that this hydraulic pressure oilhole and permanent seat are provided with links; The one-level planetary wheeling mechanism comprises one-level internally toothed annulus, primary planet pinion, primary planet carrier, one-level sun gear, one-level central gear shaft, the one-level internally toothed annulus is arranged on the interior right side of cylindrical shell of housing, the spline tooth that the left part of one-level central gear shaft is provided with is installed in the coupling sleeve right-hand member internal splined hole, the one-level sun gear is arranged on the right-hand member of one-level central gear shaft, primary planet pinion is arranged on the primary planet carrier by bearing is uniform, and primary planet pinion is meshed with one-level internally toothed annulus and one-level sun gear simultaneously; The secondary planet wheel mechanism comprises the secondary internally toothed annulus, secondary planetary gear, the secondary planet frame, secondary sun gear, the spline tooth that the right part of secondary sun gear is provided with is installed in the centre hole of the band inner spline gear that primary planet carrier central authorities are provided with, on the centre hole suit one-level central gear shaft that the central authorities of secondary sun gear are provided with, the secondary internally toothed annulus is arranged on the inwall of cylindrical shell of housing and is positioned at the left side of one-level internally toothed annulus, secondary planetary gear is arranged on the secondary planet frame by bearing is uniform, secondary planetary gear is meshed with secondary internally toothed annulus and secondary sun gear simultaneously, be sleeved in the centre hole of the band inner spline gear that secondary planet frame central authorities are provided with on the external spline teeth that the right round platform cylinder of outer surface of cylinder block is provided with, establish ring baffle in the right-hand member of the centre hole of secondary planet frame.
The described one-level sun gear that is arranged on the one-level central gear shaft right-hand member, with the one-level central gear shaft be an integral structure.
Described is three by the uniform primary planet pinion that is arranged on the primary planet carrier of bearing, and described is three by the uniform secondary planetary gear that is arranged on the secondary planet frame of bearing.
It is described that to be positioned at one-level internally toothed annulus on the cylinder inboard wall and secondary internally toothed annulus and cylindrical shell be integral structure.
Inner spline gear on the inside and outside spline tooth of described coupling sleeve, the inner spline gear on the primary planet carrier centre hole, the secondary planet frame centre hole, the external spline teeth on the one-level central gear shaft left part, the external spline teeth on the secondary sun gear right part are the invoice serration tooth.
Because above-mentioned hoisting speed reducer has adopted two groups of planetary wheeling mechanisms to realize slowing down, therefore compared with prior art not only compact conformation, volume are little, and transmission when transfer torque is big.Simultaneously, therefore compared with prior art connect and reduce, so the watt loss of hoisting mechanism reduces owing to drg is arranged in the permanent seat of housing and the reel of hoisting mechanism can directly be sleeved on the cylindrical shell of housing.
Description of drawings
Fig. 1 is the structural representation of the hoisting speed reducer used of a kind of hoisting crane of the utility model.
1. permanent seats among the figure, 2. sealing arrangement, 3. steady ring, 4. bearing, 5. back-up ring, 6. stop nut, 7. secondary planet frame, 8. secondary internally toothed annulus, 9. secondary planetary gear, 10. one-level internally toothed annulus, 11. primary planet pinions, 12. primary planet carriers, 13. baffle ring, 14. one-level sun gears, 15. end caps, 16. locating piece, 17. one-level central gear shafts, 18. secondary sun gears, 19. ring baffle, 20. right outer back-up rings, 21. cylindrical shells, 22. right inner shield ring, 23. bearings, 24. back-up rings, 25. the internal friction sheet, 26. outside friction discs, 27. hydraulic pressure oilholes, 28. the oil transportation hole, 29. coupling sleeves, 30. annular boss, 31. piston, 32. holes, 33. ring baffles, 34. spring, 35. left back-up rings, 36. cylinder bodies.
The specific embodiment
Among Fig. 1, the hoisting speed reducer that a kind of hoisting crane is used, it contains housing, drg, also contains one-level planetary wheeling mechanism, secondary planet wheel mechanism.Housing comprises permanent seat 1, cylindrical shell 21 and end cap 15.End cap 15 is arranged on by bolt on the right-hand member of cylindrical shell 21, and end cap 15 inside faces are provided with baffle ring 13, end cap 15 inside face central authorities are provided with locating piece 16.The right side that the left end of cylindrical shell 21 is sleeved on the surface of right part of permanent seat 1 by bearing 4 and steady ring 3, bearing 4 are equipped with in the left side of bearing 4 is provided with back-up ring 5 and stop nut 6 successively.Be provided with sealing arrangement 2 between the left end of cylindrical shell 21 and the permanent seat 1.The inner chamber body of permanent seat 1 is that the inside face of three rank round platform column structure shapes, its right Rotary-table is provided with inner spline gear.Drg contains coupling sleeve 29, cylinder body 36, piston 31, spring 34, outside friction disc 26, internal friction sheet 25.Be respectively equipped with inner spline gear on the inside face at the left and right two ends of coupling sleeve 29, the middle part outside face of coupling sleeve 29 is provided with external spline teeth.Cylinder body 36 outside faces are second order round platform column structure shape, and cylinder body 36 inside faces are three rank Rotary-table planforms.The outside face of the right round platform cylinder of cylinder body 36 outside faces is provided with inner spline gear that the inside face of external spline teeth, this external spline teeth and the right Rotary-table of permanent seat 1 inner chamber body is provided with and matches and mesh.Cylinder body 36 outside faces left side round platform cylinder is arranged in permanent seat 1 inner chamber round platform cylinder.The left side of cylinder body 36 is provided with that ring baffle 33, this baffle plate 33 are installed in permanent seat 1 inner chamber in the round platform cylinder, the inner hole sleeve of this baffle plate 33 is contained on the left end of coupling sleeve 29.Be provided with left back-up ring 35 in permanent seat 1 inner chamber body in the round platform cylinder and be positioned at the left side of ring baffle 33.The right Rotary-table of cylinder body 36 inside faces is provided with inner spline gear.Piston 31 appearance are that second order Rotary-table structure, its left Rotary-table are arranged in cylinder body 36 inside face Rotary-tables, and the right side of piston 31 is provided with annular boss 30, and the left side of piston 31 is provided with hole 32, and spring 34 is positioned at hole 32.Internal friction sheet 25 is provided with the peritreme of centre hole, this centre hole for annular steel disc, its central authorities and spline tooth that coupling sleeve 29 outside faces are provided with is complementary, and the centre hole of internal friction sheet 25 is sleeved on the spline tooth of coupling sleeve 29 outside faces.Outside friction disc 26 is provided with centre hole for annular steel disc, its central authorities, establishes on the outward flange of outside friction disc 26 and the cylinder body 36 inside faces left side Rotary-table that inner spline gear matches and its outward flange is installed on the inner spline gear that the left Rotary-table of cylinder body 36 inside faces is provided with.Internal friction sheet 25 is arranged with outside friction disc 26 alternate combinations.Coupling sleeve 29 right-hand members be provided with right outer back-up ring 20, with this right side outside the inwall of back-up ring 20 corresponding cylinder body 36 inside faces right side Rotary-tables be provided with right inner shield ring 22.The left side of right outer back-up ring 20 and right inner shield ring 22 is provided with bearing 23, the inner ring of bearing 23 is sleeved on the right part of coupling sleeve 29, the outer ring of bearing 23 is installed in the right Rotary-table of cylinder body 36 inside faces, and the inner hole sleeve that the left side of bearing 23 is provided with back-up ring 24, this back-up ring 24 is contained on the coupling sleeve 29, the outward flange of this back-up ring 24 is installed in the right Rotary-table of cylinder body 36 inside faces.Cylinder body 36 inside faces left side Rotary-table is provided with hydraulic pressure oilhole 27, this hydraulic pressure oilhole 27 links with the oil transportation hole 28 that permanent seat 1 is provided with.The one-level planetary wheeling mechanism comprises one-level internally toothed annulus 10, primary planet pinion 11, primary planet carrier 12, one-level sun gear 14, one-level central gear shaft 17.One-level internally toothed annulus 10 is arranged on the cylindrical shell 21 interior right sides of housing, and the spline tooth that the left part of one-level central gear shaft 17 is provided with is installed in the coupling sleeve 29 right-hand member internal splined holes.One-level sun gear 14 is arranged on the right-hand member of one-level central gear shaft 17, and primary planet pinion 11 is arranged on the primary planet carrier 12 by bearing is uniform, and primary planet pinion 11 is meshed with one-level internally toothed annulus 10 and one-level sun gear 14 simultaneously.The secondary planet wheel mechanism comprises secondary internally toothed annulus 8, secondary planetary gear 9, secondary planet frame 7, secondary sun gear 18.The spline tooth that the right part of secondary sun gear 18 is provided with is installed in the centre hole of the band inner spline gear that primary planet carrier 12 central authorities are provided with, on the centre hole suit one-level central gear shaft 17 that the central authorities of secondary sun gear 18 are provided with.Secondary internally toothed annulus 8 is arranged on the inwall of cylindrical shell 21 of housing and is positioned at the left side of one-level internally toothed annulus 10.Secondary planetary gear 18 is arranged on the secondary planet frame 7 by bearing is uniform, and secondary planetary gear 18 is meshed with secondary internally toothed annulus 8 and secondary sun gear 18 simultaneously.Be sleeved in the centre hole of the band inner spline gear that secondary planet frame 7 central authorities are provided with on the external spline teeth that the right round platform cylinder of cylinder body 36 outside faces is provided with, establish ring baffle 19 in the right-hand member of the centre hole of secondary planet frame 7.For ease of making and installing, be arranged on the one-level sun gear 14 on one-level central gear shaft 17 right-hand members, with one-level central gear shaft 17 be an integral structure.For strengthening the stability of two groups of planetary wheeling mechanism operations, be three by the uniform primary planet pinion 11 that is arranged on the primary planet carrier 12 of bearing, be three by the uniform secondary planetary gear 9 that is arranged on the secondary planet frame 7 of bearing.Install for convenient, the one-level internally toothed annulus 10 and the secondary internally toothed annulus 8 that are positioned on cylindrical shell 21 inwalls are integral structure with cylindrical shell 21.For ease of processing, inner spline gear on the inside and outside spline tooth of coupling sleeve 29, primary planet carrier 12 centre holes, the inner spline gear on secondary planet frame 7 centre holes, the external spline teeth on one-level central gear shaft 17 left parts, the external spline teeth on secondary sun gear 18 right parts are the invoice serration tooth.During work, hydraulic motor output shaft is installed in the left end of coupling sleeve 29, hydraulic oil enters in it by the hydraulic pressure oilhole of oil transportation hole 28 on cylinder body 36 that permanent seat 1 is provided with, promotion piston 31 overcomes the elastic force of spring 34 and shifts to the left side, at this moment be in loose condition (of surface) between internal friction sheet 25 and the outside friction disc 26, braking is disengaged, the output shaft of dynamicliquid pressure motor drives coupling sleeve 29 and rotates, coupling sleeve 29 drives one-level planetary wheeling mechanism, secondary planet wheel mechanism, cylindrical shell 21 rotations, and last cylindrical shell 21 drives reel rotation the carrying out elevator operation that is provided with on it.Because above-mentioned hoisting speed reducer has adopted two groups of planetary wheeling mechanisms to realize slowing down, therefore compared with prior art not only compact conformation, volume are little, and transmission when transfer torque is big.Simultaneously, therefore compared with prior art connect and reduce, so the watt loss of hoisting mechanism reduces owing to drg is arranged in the permanent seat 1 of housing and the reel of hoisting mechanism can directly be sleeved on the cylindrical shell 21 of housing.
Claims (5)
1. hoisting speed reducer that hoisting crane is used, it contains housing, drg, it is characterized in that: also contain one-level planetary wheeling mechanism, secondary planet wheel mechanism; Described housing comprises permanent seat, cylindrical shell and end cap, end cap is arranged on the right-hand member of cylindrical shell by bolt, the end cap inside face is provided with baffle ring, end cap inside face central authorities are provided with locating piece, the right side that the left end of cylindrical shell is contained on the surface of right part of permanent seat by bearing carrier ring and steady ring, bearing are equipped with in the left side of bearing is provided with back-up ring and stop nut successively, be provided with sealing arrangement between the left end of cylindrical shell and the permanent seat, the inner chamber body of permanent seat is that the inside face of three rank round platform column structure shapes, its right Rotary-table is provided with inner spline gear; Described drg contains coupling sleeve, cylinder body, piston, spring, outside friction disc, the internal friction sheet, the left side of coupling sleeve, be respectively equipped with inner spline gear on the inside face at right two ends, the middle part outside face of coupling sleeve is provided with external spline teeth, outer surface of cylinder block is a second order round platform column structure shape, inner surface of cylinder block is three rank Rotary-table planforms, the outside face of the right round platform cylinder of outer surface of cylinder block is provided with external spline teeth, the inner spline gear that the inside face of right Rotary-table is provided with in this external spline teeth and the permanent seat matches and meshes, outer surface of cylinder block left side round platform cylinder is arranged in permanent seat inner chamber round platform cylinder, the left side of cylinder body is provided with ring baffle, this baffle plate is installed in the permanent seat inner chamber in the round platform cylinder, the inner hole sleeve of this baffle plate is contained on the left end of coupling sleeve, be provided with left back-up ring in the permanent seat inner chamber body in the round platform cylinder and be positioned at the left side of ring baffle, the right Rotary-table of inner surface of cylinder block is provided with inner spline gear, the piston appearance is a second order Rotary-table structure, its left Rotary-table is arranged in the inner surface of cylinder block Rotary-table, the right side of piston is provided with annular boss, the left side of piston is provided with hole, spring is positioned at hole, the internal friction sheet is annular steel disc, its central authorities are provided with centre hole, the spline tooth that the peritreme of this centre hole and coupling sleeve outside face are provided with is complementary and is sleeved on the spline tooth of coupling sleeve outside face, outside friction disc is annular steel disc, its central authorities are provided with centre hole, establish on the Rotary-table of the outward flange of an outside friction disc and inner surface of cylinder block left side that inner spline gear matches and it is installed on the inner spline gear that inner surface of cylinder block left side Rotary-table is provided with, internal friction sheet and outside friction disc alternate combinations are arranged, the coupling sleeve right-hand member is provided with right outer back-up ring, be provided with right inner shield ring with the inwall of the right Rotary-table of the corresponding inner surface of cylinder block of back-up ring outside this right side, the left side of right outer back-up ring and right inner shield ring is provided with bearing, bearing cone is sleeved on the right part of coupling sleeve, the outer ring of bearing is installed in the right Rotary-table of inner surface of cylinder block, the left side of bearing is provided with back-up ring, the inner hole sleeve of this back-up ring is contained on the coupling sleeve, the outward flange of this back-up ring is installed in the right Rotary-table of inner surface of cylinder block, and inner surface of cylinder block left side Rotary-table is provided with the hydraulic pressure oilhole, the oil transportation hole that this hydraulic pressure oilhole and permanent seat are provided with links; The one-level planetary wheeling mechanism comprises one-level internally toothed annulus, primary planet pinion, primary planet carrier, one-level sun gear, one-level central gear shaft, the one-level internally toothed annulus is arranged on the interior right side of cylindrical shell of housing, the spline tooth that the left part of one-level central gear shaft is provided with is installed in the coupling sleeve right-hand member internal splined hole, the one-level sun gear is arranged on the right-hand member of one-level central gear shaft, primary planet pinion is arranged on the primary planet carrier by bearing is uniform, and primary planet pinion is meshed with one-level internally toothed annulus and one-level sun gear simultaneously; The secondary planet wheel mechanism comprises the secondary internally toothed annulus, secondary planetary gear, the secondary planet frame, secondary sun gear, the spline tooth that the right part of secondary sun gear is provided with is installed in the centre hole of the band inner spline gear that primary planet carrier central authorities are provided with, on the centre hole suit one-level central gear shaft that the central authorities of secondary sun gear are provided with, the secondary internally toothed annulus is arranged on the inwall of cylindrical shell of housing and is positioned at the left side of one-level internally toothed annulus, secondary planetary gear is arranged on the secondary planet frame by bearing is uniform, secondary planetary gear is meshed with secondary internally toothed annulus and secondary sun gear simultaneously, be sleeved in the centre hole of the band inner spline gear that secondary planet frame central authorities are provided with on the external spline teeth that the right round platform cylinder of outer surface of cylinder block is provided with, establish ring baffle in the right-hand member of the centre hole of secondary planet frame.
2. the hoisting speed reducer that a kind of hoisting crane according to claim 1 is used is characterized in that: the described one-level sun gear that is arranged on the one-level central gear shaft right-hand member, with the one-level central gear shaft be an integral structure.
3. the hoisting speed reducer that a kind of hoisting crane according to claim 1 is used, it is characterized in that: described is three by the uniform primary planet pinion that is arranged on the primary planet carrier of bearing, and described is three by the uniform secondary planetary gear that is arranged on the secondary planet frame of bearing.
4. the hoisting speed reducer that a kind of hoisting crane according to claim 1 is used is characterized in that: described to be positioned at one-level internally toothed annulus on the cylinder inboard wall and secondary internally toothed annulus and cylindrical shell be integral structure.
5. the hoisting speed reducer that a kind of hoisting crane according to claim 1 is used, it is characterized in that: the inner spline gear on the inside and outside spline tooth of described coupling sleeve, the inner spline gear on the primary planet carrier centre hole, the secondary planet frame centre hole, the external spline teeth on the one-level central gear shaft left part, the external spline teeth on the secondary sun gear right part are the invoice serration tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202200480U CN201704007U (en) | 2010-06-09 | 2010-06-09 | Hoisting speed reducer for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202200480U CN201704007U (en) | 2010-06-09 | 2010-06-09 | Hoisting speed reducer for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201704007U true CN201704007U (en) | 2011-01-12 |
Family
ID=43441163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202200480U Expired - Lifetime CN201704007U (en) | 2010-06-09 | 2010-06-09 | Hoisting speed reducer for crane |
Country Status (1)
| Country | Link |
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| CN (1) | CN201704007U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880015A (en) * | 2010-06-09 | 2010-11-10 | 江苏驰翔精密齿轮有限公司 | Hoisting speed reducer for crane |
| CN102718161A (en) * | 2011-03-24 | 2012-10-10 | 意宁液压股份有限公司 | Hydraulic winch |
| CN103569896A (en) * | 2012-07-19 | 2014-02-12 | 大连益利亚工程机械有限公司 | Free falling body winch brake device applied to dynamic compactor |
| CN106438966A (en) * | 2016-11-22 | 2017-02-22 | 徐州圣邦机械有限公司 | Winch lubricating oil way system capable of performing lateral refueling |
| CN108046147A (en) * | 2017-12-28 | 2018-05-18 | 南京高速齿轮制造有限公司 | With the integrated crane reduction box of reel |
-
2010
- 2010-06-09 CN CN2010202200480U patent/CN201704007U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880015A (en) * | 2010-06-09 | 2010-11-10 | 江苏驰翔精密齿轮有限公司 | Hoisting speed reducer for crane |
| 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 |
| CN102718161A (en) * | 2011-03-24 | 2012-10-10 | 意宁液压股份有限公司 | Hydraulic winch |
| CN102718161B (en) * | 2011-03-24 | 2015-05-06 | 意宁液压股份有限公司 | Hydraulic winch |
| CN103569896A (en) * | 2012-07-19 | 2014-02-12 | 大连益利亚工程机械有限公司 | Free falling body winch brake device applied to dynamic compactor |
| CN103569896B (en) * | 2012-07-19 | 2017-03-22 | 大连益利亚工程机械有限公司 | Free falling body winch brake device applied to dynamic compactor |
| CN106438966A (en) * | 2016-11-22 | 2017-02-22 | 徐州圣邦机械有限公司 | Winch lubricating oil way system capable of performing lateral refueling |
| CN108046147A (en) * | 2017-12-28 | 2018-05-18 | 南京高速齿轮制造有限公司 | With the integrated crane reduction box of reel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110112 Effective date of abandoning: 20121010 |