CN202936123U - Rope stopping device for pulley and pulley assembly - Google Patents
Rope stopping device for pulley and pulley assembly Download PDFInfo
- Publication number
- CN202936123U CN202936123U CN 201220677822 CN201220677822U CN202936123U CN 202936123 U CN202936123 U CN 202936123U CN 201220677822 CN201220677822 CN 201220677822 CN 201220677822 U CN201220677822 U CN 201220677822U CN 202936123 U CN202936123 U CN 202936123U
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- pulley
- catch
- ward
- rope device
- adapter plate
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 71
- 239000010959 steel Substances 0.000 claims abstract description 71
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 6
- 230000002452 interceptive effect Effects 0.000 description 4
- 210000001138 tear Anatomy 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model discloses a keep off rope device for pulley, wherein, should keep off rope device (10) including pin (11) and a plurality of separation blade (12), these a plurality of separation blade (12) set up and pass through along axial interval pin (11) are connected. The utility model also discloses a loose pulley assembly. The rope blocking device can separate the steel wire ropes wound on the pulleys from each other, so that the steel wire ropes are prevented from winding on each other, and abrasion of the pulleys and the steel wire ropes is reduced.
Description
Technical field
The utility model relates to engineering machinery field, particularly, relates to a kind of ward off rope device for pulley and pulley assembly.
Background technology
In elevator machinery, in order to change the luffing angle of crane arm, usually have luffing mechanism in elevator machinery, the luffing mechanism of steel wire rope type is very common.The steel rope of the luffing mechanism of steel wire rope type usually is wound around a plurality of assembly pulley tractions and carries out folding and unfolding, thereby realizes luffing.But in the process of luffing mechanism luffing, steel rope can become tensioning state by loose condition (of surface), owing to there is no axial position limiting structure on pulley, cause steel rope easily to slip in adjacent grooving and be wound around, thus generation disorder cable phenomenon.When steel rope was in loose condition (of surface), steel rope may interfere each other; When the unexpected tensioning of steel rope, between steel rope, the mutual friction of meeting phase, cause pulley and steel rope to be worn, and long-term use may cause wire cable rupture and cause safety misadventure.
The utility model content
The purpose of this utility model is to provide a kind of ward off rope device for pulley and pulley assembly, and this ward off rope device can be separated the steel rope that is wrapped on pulley mutually, thereby prevents that steel rope is wound around mutually, reduces the wearing and tearing of pulley and steel rope.
To achieve these goals, one side of the present utility model provides a kind of ward off rope device for pulley, and wherein, this ward off rope device comprises pin and a plurality of catch, and these a plurality of catch interval vertically arrange and connect by described pin.
Preferably, described catch is circular arc, and described lever extends through described a plurality of catch vertically.
Preferably, described pin is two, and these two pins extend through respectively described a plurality of catch vertically, and the central angle of the part of described catch between described two pins is not less than 180 °.
Preferably, described catch comprises the first paragraph that is circular arc, second segment and the 3rd section, the central angle of described first paragraph and described the 3rd section is less than 90 °, the central angle of described second segment is greater than or equal to 180 °, the lower end of described first paragraph and described the 3rd section is passed respectively at described first paragraph and described the 3rd section two ends that are connected to described second segment, described two pins.
Preferably, be formed with through hole on each described catch, described pin passes described through hole and described catch is fixed.
Preferably, described ward off rope device also comprises adapter plate, and this adapter plate is connected to the end of described catch.
Preferably, be formed with mounting hole on described adapter plate.
Preferably, described adapter plate is connected on the end of two adjacent described catch.
Preferably, described adapter plate is a plurality of, and these a plurality of adapter plates lay respectively at the two ends of described catch, and is positioned at the described adapter plate interval setting vertically of the identical end of described catch.
Of the present utility modelly provide on the other hand a kind of pulley assembly, this pulley assembly comprises pulley bracket and the pulley that is arranged on this pulley bracket, wherein, be provided with the ward off rope device for pulley recited above on described pulley, a plurality of catch of this ward off rope device are wrapped between the adjacent steel rope on described pulley and separate by described catch along the axially spaced-apart setting of described pulley.
Preferably, described pulley has a plurality of flanges, is limited with grooving between adjacent described flange, is formed with the gap between the catch of described ward off rope device and corresponding described flange.
Preferably, the end that is formed with breach and described catch between the two ends of described catch is connected with adapter plate, and the top of described pulley bracket is contained in described breach, and described adapter plate is captiveed joint with the top of described pulley bracket.
Preferably, described adapter plate is a plurality of, and these a plurality of adapter plates lay respectively at the two ends of described catch, and the described adapter plate that is positioned at the identical end of described catch arranges and connects with a corresponding side on the top of described pulley bracket in the interval vertically.
Preferably, described adapter plate is fastenedly connected by fastener and described pulley bracket.
Pass through technique scheme, ward off rope device of the present utility model is arranged on pulley, each catch is between adjacent steel rope, thereby the steel rope that will be wrapped on pulley is separated mutually, when preventing that steel rope from becoming tight by pine, play is in adjacent grooving, avoid mutually interfering between steel rope, reduce the wearing and tearing of steel rope and pulley.In addition, when steel rope was in loose condition (of surface), pin can limit steel rope along pulley position radially, prevented that steel rope from expanding outwardly and skidding off grooving, guaranteed that further steel rope can play, to reduce wearing and tearing, increased the service life.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification sheets, is used from explanation the utility model with the following specific embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the ward off rope device for pulley of the present utility model;
Fig. 2 is the structural representation of pulley assembly of the present utility model; And
Fig. 3 is the lateral plan of pulley assembly of the present utility model.
Description of reference numerals
10 ward off rope device 11 pins
12 catch 12a first paragraphs
The 3rd section of 12b second segment 12c
13 adapter plate 14 mounting holes
20 pulley 30 pulley brackets
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
As shown in Figure 1, one side of the present utility model provides a kind of ward off rope device for pulley, and wherein, this ward off rope device 10 comprises pin 11 and a plurality of catch 12, and these a plurality of catch 12 interval vertically arrange and connect by described pin 11.
Please also refer to Fig. 2, ward off rope device 10 of the present utility model is arranged on pulley 20, each catch 12 is between adjacent steel rope, thereby the steel rope that will be wrapped on pulley 20 is separated mutually, when preventing that steel rope from becoming tight by pine, play is in adjacent grooving, avoid mutually interfering between steel rope, reduce the wearing and tearing of steel rope and pulley.In addition, when steel rope was in loose condition (of surface), pin 11 can limit steel rope along pulley position radially, prevented that steel rope from expanding outwardly and skidding off grooving, guaranteed that further steel rope can play, to reduce wearing and tearing, increased the service life.
Usually, pulley 20 forms cylindrical, and for the shape with pulley 20 is complementary, as shown in Figure 1, preferably, described catch 12 is circular arc, and described pin 11 extends through described a plurality of catch 12 vertically.The catch 12 of circular arc not only facilitates installation but also can be complementary with the shape of pulley 20, guarantees that further steel rope can play, avoids mutually interfering between steel rope, to reduce its wearing and tearing.Pin 11 is set can be limited in the steel rope that extends in pulley 20 both sides in grooving, expands outwardly when preventing the steel rope loose condition (of surface) and breaks away from grooving.
As shown in Figure 1, in order to make pin 11 steel rope to be kept off in corresponding grooving better, preferably, described pin 11 is two, these two pins 11 extend through respectively described a plurality of catch 12 vertically, and the central angle of the part of described catch 12 between described two pins 11 is not less than 180 °.The length that contacts with pulley 20 due to the individual pen steel rope is generally the length of the half cycle of pulley 20, the central angle of catch 12 is set to be not less than 180 °, adjacent steel rope can be separated fully, and steel rope is wound around half-turn along pulley 20, two pins 11 lay respectively at the position that the steel rope of pulley 20 both sides will separate with pulley 20, this is in and the most easily interferes problem when steel rope is in loose condition (of surface), thereby more effectively avoid steel rope to break away from from grooving, prevent between steel rope interfering and wear and tear.Both sides at pulley 20 all arrange pin 11, and the steel rope that pin 11 can be from the left and right sides will extend in pulley 20 both sides be limited in grooving, expand outwardly when preventing the steel rope loose condition (of surface) and break away from grooving.
as shown in Figure 1, because catch 12 is circular arc and by iron, the hard materials such as corrosion-resistant steel are made, in order easily catch 12 to be arranged on pulley 20, preferably, described catch 12 comprises the first paragraph 12a that is circular arc, second segment 12b and the 3rd section 12c, the central angle of described first paragraph 12a and described the 3rd section 12c is less than 90 °, the central angle of described second segment 12b is greater than or equal to 180 °, described first paragraph 12a and described the 3rd section 12c are connected to the two ends of described second segment 12b, described two levers 11 pass respectively described first paragraph 12a and described the 3rd section 12c.The shape of first paragraph 12a, second segment 12b and the 3rd section 12c all adapts with the shape of pulley 20, and catch 12 links together after can segmentation being installed on pulley 20, thereby convenient for assembly and make.
Because ward off rope device 10 has a plurality of catch 12, in order to further facilitate installation, as shown in Figure 1, two levers 11 pass respectively first paragraph 12a and the 3rd section 12c, particularly, one of them described pin 11 passes the middle part of described first paragraph 12a, and another described pin 11 passes the lower end of described the 3rd section 12c.When mounting block rope device 10, can first first paragraph 12a be joined together to form left catch group by one of them pin 11, the 3rd section 12c is joined together to form right catch group by another described pin 11, then second segment 12b is arranged in the corresponding position on pulley 20, by fastener, left catch group and right catch group are connected at last on the two ends of second segment 12b and complete installation, whole fitting process is simple, and is easy to operate.
In addition, ward off rope device 10 of the present utility model is applicable to the fixed pulley of the luffing mechanism of the construction machinery and equipments such as crawler crane, and the steel rope on fixed pulley is to tilt to extend, therefore, one of them pin 11 is arranged on the middle part of first paragraph 12a, and another pin 11 is arranged on the lower end of the 3rd section 12c, can guarantee that pin 11 had both played position-limiting action to steel rope, can guarantee again not contact with steel rope, thereby can not wear and tear steel rope.
As shown in Figure 1, in order to facilitate pin 11, each catch 12 is linked together, preferably, be formed with through hole on each described catch 12, described pin 11 passes described through hole and described catch 12 is fixing.Pin 11 can be fixed together by mode and the catch 12 of welding, and the spacing distance between adjacent catch 12 and the diameter of steel rope be complementary, with the assurance steel rope that do not wear and tear.Such assembly connection mode is simple and practical, and the structure of ward off rope device 10 is more firm.
For the installation that facilitates ward off rope device 10 and fixing, as shown in Figure 1, preferably, described ward off rope device 10 also comprises adapter plate 13, this adapter plate 13 is connected to the end of described catch 12, thereby ward off rope device 10 can be installed on pulley bracket 30 by adapter plate 13, and adapter plate 13 easily is connected with pulley bracket 30, can not be subject to the obstruction of catch 12.Adapter plate 13 can form the tabular of strip shape or other shape, and the end of each catch 12 can all be connected with adapter plate 13, can be also wherein several catch 12 be connected (for example shown in embodiment of the present utility model) with adapter plate 13.
As shown in Figure 1, in order to facilitate the setting of adapter plate 13, preferably, described adapter plate 13 is connected on the end of two adjacent described catch 12.Adapter plate 13 is square tabular, and can be fixedly connected on the end of two adjacent catch 12 by modes such as welding, and sound construction connects simple, and easy to assembly.
As shown in Figure 1, in order to improve the connective stability of ward off rope device 10 and pulley bracket 30, preferably, described adapter plate 13 is a plurality of, and these a plurality of adapter plates 13 lay respectively at the two ends of described catch 12.The two ends of catch 12 are provided with adapter plate 13, thus the two ends of catch 12 captive joint with pulley bracket 30 by adapter plate 13, make installation more stable.When mounting block rope device 10, left catch group and right catch the group adapter plate 13 by separately respectively are fixed on the correct position of pulley bracket 30, and then second segment 12b is placed on the correct position of pulley 20 tops and connects respectively with the 3rd section 12c with corresponding first paragraph 12a by fastener, thereby complete installation, whole installation process is easy, easy to operate, and accurate positioning.
As shown in Figure 1, in order further to increase the connective stability of ward off rope device 10 and pulley bracket 30, preferably, the described adapter plate 13 that is positioned at the identical end of described catch 12 arranges at the interval vertically, be catch 12 identical end be provided with a plurality of adapter plates 13, in embodiment of the present utility model be two, be connected firmly with assurance.
As shown in Figure 2, of the present utility modelly provide on the other hand a kind of pulley assembly, this pulley assembly comprises pulley bracket 30 and the pulley 20 that is arranged on this pulley bracket 30, wherein, be provided with the ward off rope device for pulley recited above on described pulley 20, a plurality of catch 12 of this ward off rope device 10 are wrapped between the adjacent steel rope on described pulley 20 and separate by described catch 12 along the axially spaced-apart setting of described pulley 20.Owing to being provided with ward off rope device 10 on pulley 20, the catch 12 of ward off rope device 10 can be separated the steel rope that is wrapped on pulley 20 mutually, and steel rope is limited in separately grooving, play occurs when preventing steel rope from loose condition (of surface) to tensioning state, avoided steel rope interference each other, to reduce wearing and tearing each other, prolonging service life of steel wire.
As shown in Figures 2 and 3, for the blocking effect that guarantees ward off rope device 10 and the normal use that does not affect steel rope, preferably, described pulley 20 has a plurality of flanges, be limited with grooving between adjacent described flange, be formed with the gap between the catch 12 of described ward off rope device 10 and corresponding described flange, can not be subject to the obstruction of ward off rope device 10 to facilitate pulley 20 to rotate.Usually, steel rope is positioned at grooving separately, and along with the folding and unfolding of hoisting mechanism is moved, steel rope slides in grooving separately.Usually be wound around the multi-turn steel rope on each pulley 20, thereby pulley 20 has a plurality of groovings, be formed with flange between adjacent grooving, be formed with the gap of 4-6mm between each catch 12 and corresponding flange, both guaranteed steel rope is separated and be limited in separately grooving and moved, prevent the steel rope play and cause wearing and tearing, can not contact and the steel rope that weares and teares with steel rope again, also can not affect trend and the motion of steel rope.
As shown in Figure 2, for fixed stop rope device 10, make its position stability, preferably, it is jaggy circular-arc that described catch 12 integral body form a side, the end that is formed with breach and described catch 12 between the two ends of described catch 12 is connected with adapter plate 13, and the top of described pulley bracket 30 is contained in described breach, and described adapter plate 13 is captiveed joint with the top of described pulley bracket 30.Further preferably, adapter plate 13 is fastenedly connected by fastener and described pulley bracket 30, thereby easy for installation, is connected firmly, and makes position and the Stability Analysis of Structures of ward off rope device 10.
As shown in Figure 2, for the installation that further guarantees ward off rope device 10 is stablized, preferably, described adapter plate 13 is a plurality of, these a plurality of adapter plates 13 lay respectively at the two ends of described catch 12, and the described adapter plate 13 that is positioned at the identical end of described catch 12 arranges and connects with a corresponding side on the top of described pulley bracket 30 in the interval vertically.A plurality of adapter plates 13 connect with the relative both sides on the top of pulley bracket 30 respectively, make position and the Stability Analysis of Structures of ward off rope device 10, can not shake, and avoid affecting the rotation of pulley 20.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove in addition, each concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.
In addition, also can carry out combination in any between various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (12)
1. a ward off rope device that is used for pulley, is characterized in that, this ward off rope device (10) comprises pin (11) and a plurality of catch (12), and these a plurality of catch (12) interval vertically arrange and connect by described pin (11).
2. the ward off rope device for pulley according to claim 1, is characterized in that, described catch (12) is circular arc, and described pin (11) extends through described a plurality of catch (12) vertically.
3. the ward off rope device for pulley according to claim 2, it is characterized in that, described pin (11) is two, these two pins (11) extend through respectively described a plurality of catch (12) vertically, and the central angle that described catch (12) is positioned at the part between described two pins (11) is not less than 180 °.
4. the ward off rope device for pulley according to claim 3, it is characterized in that, described catch (12) comprises the first paragraph (12a) that is circular arc, second segment (12b) and the 3rd section (12c), the central angle of described first paragraph (12a) and described the 3rd section (12c) is less than 90 °, the central angle of described second segment (12b) is greater than or equal to 180 °, described first paragraph (12a) and described the 3rd section (12c) are connected to the two ends of described second segment (12b), described two levers (11) pass respectively described first paragraph (12a) and described the 3rd section (12c).
5. the ward off rope device for pulley according to claim 1, is characterized in that, is formed with through hole on each described catch (12), and described pin (11) passes described through hole and described catch (12) is fixing.
6. the described ward off rope device for pulley of any one according to claim 1-5, is characterized in that, described ward off rope device (10) also comprises adapter plate (13), and this adapter plate (13) is connected to the end of described catch (12).
7. the ward off rope device for pulley according to claim 6, it is characterized in that, described adapter plate (13) is a plurality of, these a plurality of adapter plates (13) lay respectively at the two ends of described catch (12), and are positioned at described adapter plate (13) the interval setting vertically of the identical end of described catch (12).
8. pulley assembly, this pulley assembly comprises pulley bracket (30) and is arranged on pulley (20) on this pulley bracket (30), it is characterized in that, be provided with the described ward off rope device for pulley of any one according to claim 1-5 on described pulley (20), a plurality of catch (12) of this ward off rope device (10) are wrapped between the adjacent steel rope on described pulley (20) and separate by described catch (12) along the axially spaced-apart setting of described pulley (20).
9. pulley assembly according to claim 8, it is characterized in that, described pulley (20) has a plurality of flanges, is limited with grooving between adjacent described flange, is formed with the gap between the catch (12) of described ward off rope device (10) and corresponding described flange.
10. pulley assembly according to claim 8, it is characterized in that, the end that is formed with breach and described catch (12) between the two ends of described catch (12) is connected with adapter plate (13), the top of described pulley bracket (30) is contained in described breach, and described adapter plate (13) is captiveed joint with the top of described pulley bracket (30).
11. pulley assembly according to claim 10, it is characterized in that, described adapter plate (13) is a plurality of, these a plurality of adapter plates (13) lay respectively at the two ends of described catch (12), and the described adapter plate (13) that is positioned at the identical end of described catch (12) arranges and connects with a corresponding side on the top of described pulley bracket (30) in the interval vertically.
12. pulley assembly according to claim 10 is characterized in that, described adapter plate (13) is fastenedly connected by fastener and described pulley bracket (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220677822 CN202936123U (en) | 2012-12-10 | 2012-12-10 | Rope stopping device for pulley and pulley assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220677822 CN202936123U (en) | 2012-12-10 | 2012-12-10 | Rope stopping device for pulley and pulley assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202936123U true CN202936123U (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220677822 Expired - Lifetime CN202936123U (en) | 2012-12-10 | 2012-12-10 | Rope stopping device for pulley and pulley assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202936123U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010978A (en) * | 2012-12-10 | 2013-04-03 | 上海中联重科桩工机械有限公司 | Rope stopping device for pulley and pulley assembly |
| CN104724607A (en) * | 2015-01-29 | 2015-06-24 | 徐工集团工程机械股份有限公司 | Steel wire rope groove-releasing protection device and mounting method thereof |
-
2012
- 2012-12-10 CN CN 201220677822 patent/CN202936123U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010978A (en) * | 2012-12-10 | 2013-04-03 | 上海中联重科桩工机械有限公司 | Rope stopping device for pulley and pulley assembly |
| CN103010978B (en) * | 2012-12-10 | 2016-01-13 | 上海中联重科桩工机械有限公司 | Rope stopping device for pulley and pulley assembly |
| CN104724607A (en) * | 2015-01-29 | 2015-06-24 | 徐工集团工程机械股份有限公司 | Steel wire rope groove-releasing protection device and mounting method thereof |
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Granted publication date: 20130515 |
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| CX01 | Expiry of patent term |