CN204281120U - Steel cable pulley and comprise the hoisting crane of this Steel cable pulley - Google Patents
Steel cable pulley and comprise the hoisting crane of this Steel cable pulley Download PDFInfo
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- CN204281120U CN204281120U CN201420654048.XU CN201420654048U CN204281120U CN 204281120 U CN204281120 U CN 204281120U CN 201420654048 U CN201420654048 U CN 201420654048U CN 204281120 U CN204281120 U CN 204281120U
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- cable pulley
- steel cable
- roller
- center shaft
- utility
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Abstract
The utility model relates to weight-lifting equipment field, particularly a kind of Steel cable pulley, also relates to the hoisting crane comprising this Steel cable pulley.Steel cable pulley provided by the utility model, comprise support, the roller be made up of flexible material and be embedded in the center shaft of described roller, described center shaft and roller closely cooperate, and are connected with support by bearing.Center shaft and roller are as integrative-structure by stent support, then the pressure of suffered steel rope can be passed to center shaft by roller, and pressure can be passed to support by bearing again by center shaft.Like this avoiding irony roller under the prerequisite of the wearing and tearing of steel rope, improve the integral rigidity of Steel cable pulley, its coaxial rotating can be ensured, effectively reduce the generation of catching phenomenon.
Description
Technical field
The utility model relates to weight-lifting equipment field, particularly a kind of Steel cable pulley, also relates to the hoisting crane comprising this Steel cable pulley.
Background technology
The wirerope-winding of hoisting crane is on the elevator of afterbody, wherein one end is by being fixed on suspension hook above arm, under arm is in the very little state of level or the elevation angle, steel rope is very near apart from the distance of arm and turntable, like this in steel rope folding and unfolding process, steel rope easily rubs with its generation, thus the service life of minimizing steel rope, and affect outward appearance.
For reducing the friction of steel rope, generally in Steel wire rope discharge position, elevator front, carrying roller being installed, for steel rope is held up, thus avoiding steel rope to contact with arm, turntable and producing and rub.For reducing the friction that carrying roller produces steel rope, structurally, require that carrying roller freely can rotate with steel rope folding and unfolding; In material, roller material generally elects the flexible materials such as nylon as.
At present, Steel cable pulley generally comprises nylon roller, center shaft, bearing and support, and wherein, nylon roller is connected by bearing with center shaft, and center shaft is then fixed on support by plain shaft baffle plate.
Steel cable pulley is subject to the restriction of space and function, general length at 1000mm, diameter at about 80mm, belong to typical elongate rod (L/D ratio value is greater than 6 for elongate rod), when bearing diametral load, elongated wire rope roller rigidity is poor, when its long-time stressed time, easily produce flexural deformation.
Therefore, above-mentioned Steel cable pulley structure of the prior art, Yin Nilong roller supported on both sides, span is large, and under steel rope pressure, easily produce flexural deformation, cause carrier roller integral disalignment, transmission process easily clamping stagnation occurs, thus loses efficacy.
Utility model content
The utility model solve a technical matters be, nylon roller insufficient rigidity in prior art, when its long-time stressed time, easily produce flexural deformation, cause carrier roller integral disalignment, transmission process generation clamping stagnation.
In order to solve the problems of the technologies described above, the utility model provides a kind of Steel cable pulley 10 on the one hand, it center shaft 103 comprising support 105, the roller 101 be made up of flexible material and be embedded in described roller 101, described center shaft 103 closely cooperates with roller 101, and is connected with support 105 by bearing 102.
Alternatively, center shaft 103 is hollow structure.
Alternatively, flexible material is nylon.
Alternatively, center shaft 103 is made up of the material of hardness higher than roller 101 material.
Alternatively, the material of center shaft 103 is metal.
Further, Steel cable pulley 10 provided by the utility model can also comprise two end caps 104, is plugged in the both sides of described center shaft 103 respectively.
Further, the length-diameter ratio of Steel cable pulley 10 provided by the utility model is greater than 6.
The utility model additionally provides a kind of hoisting crane 1 on the other hand, and it comprises steel rope 20 and elevator 30, also comprises any one Steel cable pulley 10 foregoing, and this Steel cable pulley 10 is installed on steel rope 20 rope stretching position, elevator 30 front.
Steel cable pulley provided by the utility model, its center shaft 103 closely cooperates with roller 101, and be connected by bearing 102 between center shaft 103 with support 105, then center shaft 103 and roller 101 are equivalent to one, the pressure of suffered steel rope 20 can be passed to center shaft 103 by roller 101, and pressure can be passed to support 105 by bearing 102 again by center shaft 103.Like this avoiding irony roller under the prerequisite of the wearing and tearing of steel rope, improve the integral rigidity of Steel cable pulley, can coaxial rotating be ensured, effectively reduce the generation of catching phenomenon.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 illustrates the cutaway view of Steel cable pulley structure of the present utility model.
Fig. 2 illustrates the three-dimensional disassembly diagram of Steel cable pulley structure of the present utility model.
Fig. 3 illustrates the structural representation of hoisting crane of the present utility model.
Fig. 4 illustrates the installation site of Steel cable pulley in hoisting crane.
In figure: 1, hoisting crane; 10, Steel cable pulley; 20, steel rope; 30, elevator; 101, roller; 102, bearing; 103, center shaft; 104, end cap; 105, support.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the utility model and application or use.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit scope of the present utility model.
Meanwhile, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not draw according to the proportionate relationship of reality.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part of authorizing specification sheets.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
See figures.1.and.2, the utility model provides a kind of Steel cable pulley 10, it center shaft 103 comprising support 105, the roller 101 be made up of flexible material and be embedded in described roller 101, described center shaft 103 closely cooperates with roller 101, and is connected with support 105 by bearing 102.
Wherein, flexible material comprises nylon, plastics and rubber etc., effectively can reduce the wearing and tearing of roller 101 pairs of steel ropes, also can alleviate the overall weight of Steel cable pulley 10.
Steel cable pulley structure provided by the utility model, its center shaft 103 closely cooperates with roller 101, and bearing 102 is arranged on the shaft shoulder at center shaft 103 two ends, for connecting center shaft 103 and support 105, center shaft 103 and roller 101 are supported by support 105 as integrative-structure, then the pressure of suffered steel rope 20 can be passed to center shaft 103 by roller 101, and pressure can be passed to support 105 by bearing 102 again by center shaft 103.Like this avoiding irony roller under the prerequisite of the wearing and tearing of steel rope, improve the integral rigidity of Steel cable pulley 10, its coaxial rotating can be ensured, effectively reduce the generation of catching phenomenon.
In a specific embodiments of the present utility model, center shaft 103 is hollow structure.
Because the rotor inertia of solid axle is comparatively large, running starts comparatively difficulty, therefore, center shaft 103 is set to hollow structure, Steel cable pulley 10 can be made more easily to start; In addition, this hollow structure can alleviate the weight of Steel cable pulley 10 further, convenient installation and maintenance; Under the prerequisite ensureing rigidity, material can also be saved, reduces costs.
In order to strengthen the rigidity of Steel cable pulley 10 further, center shaft 103 can be made up of the material of hardness higher than roller 101 material, such as metallic material.The rigidity of such center shaft 103 can be formed the roller 101 be made up of flexible material and support better, thus can improve the rigidity of Steel cable pulley 10 further, reduces the risk that it lost efficacy because of flexural deformation.
In further embodiment, Steel cable pulley 10 provided by the utility model, can also comprise two end caps 104, be plugged in the both sides of center shaft 103 respectively, thus realize the effect of sealing and dustproof.
Further, the length-diameter ratio of Steel cable pulley 10 provided by the utility model is greater than 6.
With reference to Fig. 3, hoisting crane 1 provided by the utility model, comprises steel rope 20 and elevator 30, also comprises any one Steel cable pulley 10 foregoing.With reference to Fig. 4, Steel cable pulley 10 is installed on steel rope 20 rope stretching position, elevator 30 front.Because Steel cable pulley 10 has above-mentioned technique effect, the hoisting crane comprising this Steel cable pulley 10 also has corresponding technique effect.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a Steel cable pulley (10), it is characterized in that, comprise support (105), the roller (101) be made up of flexible material and the center shaft (103) being embedded in described roller (101), described center shaft (103) and roller (101) closely cooperate, and are connected with support (105) by bearing (102).
2. Steel cable pulley according to claim 1 (10), is characterized in that, described center shaft (103) is hollow structure.
3. Steel cable pulley according to claim 2 (10), is characterized in that, described flexible material is nylon.
4. Steel cable pulley according to claim 3 (10), is characterized in that, center shaft (103) is made up of the material of hardness higher than roller (101) material.
5. Steel cable pulley according to claim 4 (10), is characterized in that, the material of described center shaft (103) is metal.
6. Steel cable pulley according to claim 5 (10), is characterized in that, also comprises two end caps (104), is plugged in the both sides of described center shaft (103) respectively.
7., according to the arbitrary described Steel cable pulley (10) of claim 1-6, it is characterized in that, the length-diameter ratio of described Steel cable pulley (10) is greater than 6.
8. a hoisting crane (1), comprise steel rope (20) and elevator (30), it is characterized in that, also comprise as arbitrary in claim 1-7 as described in Steel cable pulley (10), described Steel cable pulley (10) is installed on steel rope (20) rope stretching position, elevator (30) front.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420654048.XU CN204281120U (en) | 2014-11-04 | 2014-11-04 | Steel cable pulley and comprise the hoisting crane of this Steel cable pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420654048.XU CN204281120U (en) | 2014-11-04 | 2014-11-04 | Steel cable pulley and comprise the hoisting crane of this Steel cable pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204281120U true CN204281120U (en) | 2015-04-22 |
Family
ID=52864305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420654048.XU Expired - Fee Related CN204281120U (en) | 2014-11-04 | 2014-11-04 | Steel cable pulley and comprise the hoisting crane of this Steel cable pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204281120U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105271016A (en) * | 2015-09-30 | 2016-01-27 | 徐州建机工程机械有限公司 | Steel wire rope supporting device |
| CN107628565A (en) * | 2017-11-13 | 2018-01-26 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of remote-controlled vehicle lays the anti-wear fixed pulley of retracting device anti-hopping |
-
2014
- 2014-11-04 CN CN201420654048.XU patent/CN204281120U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105271016A (en) * | 2015-09-30 | 2016-01-27 | 徐州建机工程机械有限公司 | Steel wire rope supporting device |
| CN107628565A (en) * | 2017-11-13 | 2018-01-26 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of remote-controlled vehicle lays the anti-wear fixed pulley of retracting device anti-hopping |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20191104 |