CN104340904A - Rotatable guide pulley device - Google Patents
Rotatable guide pulley device Download PDFInfo
- Publication number
- CN104340904A CN104340904A CN201410563564.6A CN201410563564A CN104340904A CN 104340904 A CN104340904 A CN 104340904A CN 201410563564 A CN201410563564 A CN 201410563564A CN 104340904 A CN104340904 A CN 104340904A
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- CN
- China
- Prior art keywords
- pulley
- shaft
- rotatable guide
- sheave
- bearing
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- 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.)
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Classifications
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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
- B66D1/28—Other constructional details
- B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
- B66D1/38—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains by means of guides movable relative to drum or barrel
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pulleys (AREA)
Abstract
The invention provides a rotatable guide pulley device which comprises one or more pulley components and a pulley shaft, wherein each pulley component comprises a pulley rack, a guide pulley, a fixed shaft and a bearing; the fixed shaft is fixed on the pulley rack; the guide pulley is arranged on the fixed shaft and can rotate around the fixed shaft; the bearing is mounted on the pulley rack; each pulley component is connected with the pulley shaft through a bearing and can rotate around the pulley shaft. As the pulley components can rotate in the winding movement direction of a steel wire rope when the steel wire rope is wound, the friction generated when the steel wire rope passes through the pulley components is as small as possible, the phenomenon that the steel wire rope deviates from a groove or is blocked in the groove is avoided, the abrasion degree of the steel wire rope is reduced, and the service life of the steel wire rope is prolonged. Moreover, as the pulley components are connected with the pulley shaft through respective bearing and can rotate respectively without being interfered by one another, and the rotatable guide pulley device is completely applicable to the movement direction of the steel wire rope.
Description
Technical field
The present invention relates to a kind of leading sheave, especially relate to a kind of guide pulley device that can rotate.
Background technology
Leading sheave is the same with fixed pulley, being a kind of pulley gear for changing steel rope trend, having the features such as structure is simple, easy for installation, workable, being mainly used in crane crab steel cable winding system.
Wirerope-winding mode is generally one of gordian technique in rubber tyre gantry crane design, due to crane structure and space restriction and affect the layout of pulley, directly cause the winding direction of steel rope to have polytropy.Common leading sheave is directional tagging within the scope of certain angle only, and therefore winding system is in institution staff process, and de-groove or draw-in groove phenomenon often appear in steel rope.
Summary of the invention
Based on the problems referred to above, the invention provides a kind of rotatable guide pulley device, to avoid occurring steel rope now de-groove or draw-in groove phenomenon.
For reaching above-mentioned purpose, the invention provides a kind of rotatable guide pulley device, it comprises: at least one pulley assembly, each pulley assembly comprises pulley yoke, leading sheave, anchor shaft and bearing, anchor shaft is fixed on pulley yoke, leading sheave is arranged on anchor shaft, and can rotate around anchor shaft, and bearing is installed on pulley yoke; And sheave shaft, each pulley assembly is connected to sheave shaft by bearing, and can rotate around sheave shaft.。
The present invention is compared to the beneficial effect of prior art: because pulley assembly can rotate, therefore in the process of wirerope-winding, pulley assembly can be complied with sense of motion that steel rope twines and rotate, make steel rope little as far as possible by the friction force produced during pulley assembly, avoid de-groove and draw-in groove phenomenon, reduce the degree of wear of steel rope, improve the service life of steel rope.Further, because each pulley assembly is all connected with sheave shaft by respective bearing, therefore, pulley assembly can each spinning, does not mutually interfere, thus adapts to the sense of motion of steel rope completely.
Accompanying drawing explanation
Fig. 1 is the front view of the rotatable guide pulley device of the present invention.
Fig. 2 is the side sectional view of the rotatable guide pulley device of the present invention.
Fig. 3 is the block diagram of the rotatable guide pulley device of the present invention.
Detailed description of the invention
More fully example embodiment is described referring now to accompanying drawing.But example embodiment can be implemented in a variety of forms, and should not be understood to be limited to embodiment set forth herein; On the contrary, provide these embodiments to make the present invention more comprehensively with complete, and the design of example embodiment is conveyed to those skilled in the art all sidedly.In the drawings, in order to clear, may be exaggerated the thickness of region and layer.Reference numeral identical in the drawings represents same or similar structure, thus will omit their detailed description.
In addition, described feature, structure or characteristic can be combined in one or more embodiment in any suitable manner.In the following description, provide many details thus provide fully understanding embodiments of the invention.But, one of skill in the art will appreciate that and can put into practice technical scheme of the present invention and not have in described specific detail one or more, or other method, constituent element, material etc. can be adopted.In other cases, known features, material or operation is not shown specifically or describes to avoid fuzzy major technique intention of the present invention.
Shown in Fig. 3, the invention provides a kind of rotatable guide pulley device, it comprises: at least one pulley assembly 10 and sheave shaft 20.In the present embodiment, be provided with two pulley assemblies 10, should be appreciated that the quantity that can adjust arbitrarily pulley assembly as required.
Each pulley assembly 10 comprises pulley yoke 11, leading sheave 12, anchor shaft 13 and bearing 14, and anchor shaft 13 is fixed on pulley yoke 11, and leading sheave 12 is arranged on anchor shaft 13, and can rotate around anchor shaft 13, and bearing 14 is installed on pulley yoke 11.Each pulley assembly 10 is connected to sheave shaft 20 by bearing 14, and can rotate around sheave shaft 20.
In the process that steel rope (not shown) is wound around on pulley assembly 10, the screw-in angle of steel rope can change always, when angle changes, leading sheave 12 is subject to the side force of steel rope by bearing 14 sheave shaft 20 rotating to leading sheave 12 stress balance position, make steel rope little as far as possible by the friction force produced during pulley assembly, avoid de-groove and draw-in groove phenomenon, reduce the degree of wear of steel rope, improve the service life of steel rope.Further, because each pulley assembly is all connected with sheave shaft by respective bearing, therefore, pulley assembly can each spinning, does not mutually interfere, thus adapts to the sense of motion of steel rope completely.
In the present embodiment, rotatable guide pulley device also comprises erecting bed 30 and multiple installation baffle plate 40, installs baffle plate 40 and is vertically fixed on erecting bed 30, and the both sides of each pulley assembly 10 are provided with two and install baffle plate 40, and sheave shaft 20 runs through installs baffle plate 40.The both sides of pulley assembly 10 are located in, therefore, it is possible to avoid pulley assembly 10 along the end float misalignment of sheave shaft 20 owing to installing baffle plate 40.
The two ends of sheave shaft 20 are fixedly connected with the installation baffle plate 40 being positioned at two ends respectively.Be specially: as shown in Figure 1, the installation baffle plate 40 at two ends is passed at the two ends of sheave shaft 20, and is fixed by bolt 21 and installation baffle plate 40, and the installation baffle plate 40 at two ends is being provided with oil nozzle 22 corresponding to sheave shaft 20 place, oil is coated on each bearing 14, to lubricate by sheave shaft 20.
As shown in Figure 1,3, rotatable guide pulley device also comprises bracket 50, and it to be arranged on erecting bed 30, and corresponding with pulley assembly 10, and pulley assembly 10, can by bracket 50 backstop in sheave shaft 20 rotary course.Namely bracket 50 limits the end position of pulley assembly hand of rotation, prevents pulley assembly from rotating excessive and colliding erecting bed 30.
In the present embodiment, erecting bed 30 can be vertical placement, and pulley assembly 10 is downward-sloping due to gravity in rotary course, for avoiding colliding with erecting bed 30 in the process of having a down dip, can respectively be provided with a bracket 50 in the below of each pulley assembly 10, thus support pulley assembly 10.Preferably, bracket 50 is provided with recess in the side of contiguous pulley assembly 10, avoids interfering with the lower end of pulley assembly 10, affects it and rotates.In other embodiments, can respectively arrange a bracket at the upper and lower of each pulley assembly 10, the quantity of bracket, position, set-up mode are not limited thereto, such as, can be detouchable and be connected to erecting bed 30, so that install pulley assembly.
In the present embodiment, pulley yoke 11 comprises two end caps 111, limiting section 112 and bearing seat 113, two end caps 111 are fixed in the two ends of anchor shaft 13, limiting section 112 is connected between two end cap 111, wirerope-winding is on leading sheave 12, and move between leading sheave 12 and limiting section 112, the two ends of two end cap 111 are respectively provided with a bearing seat 113, for accommodating bearing 14.In the present embodiment, limiting section 112 is multiple studs along the circumferential direction arranged.
Pulley yoke 11 also can comprise pulley bearings 114, axle sleeve 115 and pulley oil nozzle 116.Pulley bearings 114 is sheathed between anchor shaft 13 and leading sheave 12.Axle sleeve 115 is located between end cap 111 and pulley bearings 114.Pulley oil nozzle 116 is positioned at one end of anchor shaft 13, to lubricate via anchor shaft 13 pairs of pulley bearings 114.
As shown in Figure 3, the both sides of end cap 111 are provided with fin 117, and fin 117 is corresponding with the boundary position of bracket 50, and when leading sheave 12 rotates to when being supported by bracket 50, the fin 117 of adjacent brackets 50 side of leading sheave 12 contacts with bracket 50.In the present embodiment, the structure of two side convex ribs 117 of end cap 111 is identical, is so convenient to assembling.When should be appreciated that the effect of two side convex ribs 117 of end cap 111 is respectively when preventing from moving downward and bracket collides and prevents upward movement and erecting bed 30 collide, therefore, shape, the position of two side convex ribs can be different.
In sum, advantage of the present invention and beneficial effect are:
It is simple that rotatable guide pulley device has structure, easy for installation, low to requirements of installation space, mainly overcome the de-groove draw-in groove phenomenon very easily produced when steel rope screws in angle change, significantly reduce the friction force of steel rope by producing during pulley, reduce the degree of wear of steel rope, improve the service life of steel rope.The present invention sticks to traditional fixed pulley mode, but is designed to rotatable guide pulley device, thus can screw in the change of angle according to steel rope and change, and actv. prevents steel cable slot disengaging and possesses the directional tagging in institution staff overall process.
In addition, this device is not only applied to wirerope-winding, can also be applied to the changed course in the winding process such as cable, umbilical cables, can reduce its wearing and tearing in winding process, improve its service life.
Therefore, the present invention is widely used, and processing and manufacturing is simple, and feasibility is high, has good market outlook.
Although exemplary embodiment describe the present invention with reference to several, should be appreciated that term used illustrates and exemplary and nonrestrictive term.Spirit or the essence of invention is not departed from because the present invention can specifically implement in a variety of forms, so be to be understood that, above-described embodiment is not limited to any aforesaid details, and explain widely in the spirit and scope that should limit in claim of enclosing, therefore fall into whole change in claim or its equivalent scope and remodeling and all should be claim of enclosing and contained.
Claims (9)
1. a rotatable guide pulley device, it comprises:
At least one pulley assembly, each pulley assembly comprises pulley yoke, leading sheave, anchor shaft and bearing, and anchor shaft is fixed on pulley yoke, and leading sheave is arranged on anchor shaft, and can rotate around anchor shaft, and bearing is installed on pulley yoke; And
Sheave shaft, each pulley assembly is connected to sheave shaft by bearing, and can rotate around sheave shaft.
2. rotatable guide pulley device as claimed in claim 1, wherein, also comprises erecting bed and multiple installation baffle plate, installs baffle plate and is vertically fixed on erecting bed, and the both sides of each pulley assembly are provided with two and install baffle plate, and sheave shaft runs through installation baffle plate.
3. rotatable guide pulley device as claimed in claim 2, wherein, the quantity of pulley assembly is multiple, and the two ends of sheave shaft are fixedly connected with the installation baffle plate being positioned at two ends respectively.
4. rotatable guide pulley device as claimed in claim 3, wherein, also comprise bracket, it is arranged on erecting bed, and corresponding with pulley assembly, and pulley assembly, can by bracket backstop in sheave shaft rotary course.
5. rotatable guide pulley device as claimed in claim 4, wherein, erecting bed is vertically place, and the below of each pulley assembly is respectively provided with a bracket, and bracket is provided with recess in the side of contiguous pulley assembly.
6. rotatable guide pulley device as claimed in claim 5, wherein, pulley yoke comprises two end caps, limiting section and bearing seats, two end caps are fixed in the two ends of anchor shaft, limiting section is connected between two end cap, and wirerope-winding on leading sheave, and moves between leading sheave and limiting section, the two ends of two end cap are respectively provided with a bearing seat, for accommodating bearing.
7. rotatable guide pulley device as claimed in claim 6, wherein, limiting section is multiple studs along the circumferential direction arranged.
8. rotatable guide pulley device as claimed in claim 6, wherein, the both sides of end cap are provided with fin, and fin is corresponding with the boundary position of bracket, and when leading sheave rotates to when being supported by bracket, the fin of the adjacent brackets side of leading sheave contacts with bracket.
9. rotatable guide pulley device as claimed in claim 3, wherein, the installation baffle plate at two ends is being provided with oil nozzle corresponding to sheave shaft place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410563564.6A CN104340904B (en) | 2014-10-21 | 2014-10-21 | Rotatable guide pulley device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410563564.6A CN104340904B (en) | 2014-10-21 | 2014-10-21 | Rotatable guide pulley device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104340904A true CN104340904A (en) | 2015-02-11 |
| CN104340904B CN104340904B (en) | 2016-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410563564.6A Expired - Fee Related CN104340904B (en) | 2014-10-21 | 2014-10-21 | Rotatable guide pulley device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104340904B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439006A (en) * | 2015-12-15 | 2016-03-30 | 武汉船用机械有限责任公司 | Hoist cable stabilizing device for crane |
| CN108454782A (en) * | 2018-04-25 | 2018-08-28 | 中国船舶重工集团公司第七0四研究所 | A kind of power-assisted rotation fairlead peculiar to vessel |
| CN108548685A (en) * | 2018-04-26 | 2018-09-18 | 广东产品质量监督检验研究院（国家质量技术监督局广州电气安全检验所、广东省试验认证研究院、华安实验室） | A kind of static submissive system safety testing device of robot |
| CN111153342A (en) * | 2020-01-20 | 2020-05-15 | 三一海洋重工有限公司 | Swing pulley device and crane |
| CN111170181A (en) * | 2020-02-26 | 2020-05-19 | 天津山江德润科技有限公司 | Pulley mechanism for offshore platform crane |
| CN112247961A (en) * | 2020-10-15 | 2021-01-22 | 中国科学院自动化研究所 | Cable traction parallel mechanism experimental device |
| CN115171455A (en) * | 2022-06-20 | 2022-10-11 | 河北汉光重工有限责任公司 | Traction device for rolling and loading training rack of conveyor |
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| GB1132211A (en) * | 1966-01-26 | 1968-10-30 | Paul Bert Elvstrom | A sheave device |
| CN2428629Y (en) * | 2000-05-25 | 2001-05-02 | 揭阳市南光实业有限公司 | Universal pulley seat |
| EP0794413B1 (en) * | 1996-03-08 | 2002-11-20 | Demag Cranes & Components GmbH | Measuring device with a load measuring element |
| CN201276705Y (en) * | 2008-12-22 | 2009-07-22 | 湖南路桥建设集团公司 | Automatic anchor rope regulating apparatus of underwater floater facilities |
| CN101913540A (en) * | 2010-06-28 | 2010-12-15 | 北京市三一重机有限公司 | Rotary drilling rig and wire rope guiding device thereof |
| CN202296952U (en) * | 2011-10-28 | 2012-07-04 | 恒天九五重工有限公司 | Steel wire rope guide device of winding engine |
| CN202465080U (en) * | 2011-12-16 | 2012-10-03 | 芜湖威仕科材料技术有限公司 | Traveling crane wire rope stripping preventing device |
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2014
- 2014-10-21 CN CN201410563564.6A patent/CN104340904B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1132211A (en) * | 1966-01-26 | 1968-10-30 | Paul Bert Elvstrom | A sheave device |
| EP0794413B1 (en) * | 1996-03-08 | 2002-11-20 | Demag Cranes & Components GmbH | Measuring device with a load measuring element |
| CN2428629Y (en) * | 2000-05-25 | 2001-05-02 | 揭阳市南光实业有限公司 | Universal pulley seat |
| CN201276705Y (en) * | 2008-12-22 | 2009-07-22 | 湖南路桥建设集团公司 | Automatic anchor rope regulating apparatus of underwater floater facilities |
| CN101913540A (en) * | 2010-06-28 | 2010-12-15 | 北京市三一重机有限公司 | Rotary drilling rig and wire rope guiding device thereof |
| CN202296952U (en) * | 2011-10-28 | 2012-07-04 | 恒天九五重工有限公司 | Steel wire rope guide device of winding engine |
| CN202465080U (en) * | 2011-12-16 | 2012-10-03 | 芜湖威仕科材料技术有限公司 | Traveling crane wire rope stripping preventing device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439006A (en) * | 2015-12-15 | 2016-03-30 | 武汉船用机械有限责任公司 | Hoist cable stabilizing device for crane |
| CN108454782A (en) * | 2018-04-25 | 2018-08-28 | 中国船舶重工集团公司第七0四研究所 | A kind of power-assisted rotation fairlead peculiar to vessel |
| CN108454782B (en) * | 2018-04-25 | 2020-03-17 | 中国船舶重工集团公司第七0四研究所 | Marine power-assisted rotary guide cable device |
| CN108548685A (en) * | 2018-04-26 | 2018-09-18 | 广东产品质量监督检验研究院（国家质量技术监督局广州电气安全检验所、广东省试验认证研究院、华安实验室） | A kind of static submissive system safety testing device of robot |
| CN111153342A (en) * | 2020-01-20 | 2020-05-15 | 三一海洋重工有限公司 | Swing pulley device and crane |
| CN111170181A (en) * | 2020-02-26 | 2020-05-19 | 天津山江德润科技有限公司 | Pulley mechanism for offshore platform crane |
| CN112247961A (en) * | 2020-10-15 | 2021-01-22 | 中国科学院自动化研究所 | Cable traction parallel mechanism experimental device |
| CN115171455A (en) * | 2022-06-20 | 2022-10-11 | 河北汉光重工有限责任公司 | Traction device for rolling and loading training rack of conveyor |
| CN115171455B (en) * | 2022-06-20 | 2024-04-26 | 河北汉光重工有限责任公司 | Conveyor roll-on and roll-off training rack traction device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104340904B (en) | 2016-09-07 |
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Granted publication date: 20160907 Termination date: 20211021 |
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| CF01 | Termination of patent right due to non-payment of annual fee |