CN205634719U - Hoist and pulley gear thereof - Google Patents
Hoist and pulley gear thereof Download PDFInfo
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- CN205634719U CN205634719U CN201620486498.1U CN201620486498U CN205634719U CN 205634719 U CN205634719 U CN 205634719U CN 201620486498 U CN201620486498 U CN 201620486498U CN 205634719 U CN205634719 U CN 205634719U
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- pulley
- wire rope
- fixed pulley
- group
- steel wire
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Abstract
The utility model relates to a hoist and pulley gear thereof, wherein the pulley gear includes left and right assembly pulley, and every assembly pulley all includes at least one fixed pulley and a movable pulley, gets into at least one transition pulley behind the assembly pulley of the wire rope pile warp right side and introduces left assembly pulley from the transition pulley, and the part of wire rope between each pulley is all perpendicular with the pulley axis, so wire rope reduces the wearing and tearing of wire rope and pulley not to the helpful power of grooving lateral wall of each pulley.
Description
Technical field
This utility model relates to crane field, particularly to a kind of crane and pulley gear thereof.
Background technology
Steel wire rope and pulley are the important components that crane realizes lifting heavy function, and the embodiment of pulley gear has directly impact, notification number CN for the life-span of steel wire rope Yu pulley
nullThe Chinese patent of 201236103 Y discloses the winding mechanism of a kind of lifting mechanism of gantry crane steel wire rope May 13 2009 day for announcing，Including movable pulley、Fixed pulley、Reel and steel wire rope，The symmetrical running block being disposed with at least two groups vertically below in spool shaft，Running block is in parallel by equalizer pulley，The fixed pulley group that the axis of identical group of number is paralleled is arranged with running block axis on running block，Equalizer pulley and fixed pulley group are arranged on vehicle frame，Steel wire rope from reel through fixed pulley group and running block at equalizer pulley at join，When passing through the pulley in fixed pulley group and running block due to steel wire rope，Steel wire rope is not orthogonal to pulley axis，Steel wire rope has active force to the grooving sidewall of pulley，Cause the grooving sidewall phase mutual friction of steel wire rope and pulley，Pulley has the trend towards axis direction upset，Thus increase the abrasion of steel wire rope and pulley，Steel wire rope is made to reduce with the service life of pulley.
Utility model content
The purpose of this utility model is to provide a kind of crane and pulley gear thereof, to solve the problem that steel wire rope has active force to the grooving sidewall of pulley.
The technical scheme of this utility model pulley gear is: a kind of pulley gear, it is characterized in that: include a left side, right pulley group, each assembly pulley all includes at least one fixed pulley and a movable pulley, moving in each assembly pulley, the pivot center of fixed pulley is parallel to each other and dynamic, the cross-section of the center position in the longitudinal direction of fixed pulley is in the approximately the same plane perpendicular with described pivot center, pulley gear also includes steel wire rope, steel wire rope at least one transition fixed pulley of pile warp after left chain wheel group is drawn commutates to right pulley group, the steel wire rope part being between right pulley group and transition fixed pulley is both perpendicular to the axis of each pulley in the axis of transition fixed pulley and right pulley group, the steel wire rope part being between left chain wheel group and transition fixed pulley is both perpendicular to the axis of each pulley in the axis of transition fixed pulley and left chain wheel group.
It is parallel to each other between the same plane at the cross section place of the center position in the longitudinal direction of the movable and fixed pulley in the same plane at the cross section place of the center position in the longitudinal direction of the movable and fixed pulley in left chain wheel group and right pulley group.
The steel wire rope part between steel wire rope part and each assembly pulley and transition fixed pulley between each assembly pulley fixed pulley and movable pulley the most vertically extends.
Often group assembly pulley includes a fixed pulley and two movable pulleys.
nullThe technical scheme of this utility model crane is: crane，Including pulley gear、Vehicle frame、Reel and suspension hook，It is characterized in that: pulley gear includes a left side、Right pulley group，Each assembly pulley all includes at least one fixed pulley and a movable pulley，Moving in each assembly pulley、The pivot center of fixed pulley is parallel to each other and dynamic、The cross-section of the center position in the longitudinal direction of fixed pulley is in the approximately the same plane perpendicular with described pivot center，Pulley gear also includes steel wire rope，Steel wire rope at least one transition fixed pulley of pile warp after left chain wheel group is drawn commutates to right pulley group，The steel wire rope part being between right pulley group and transition fixed pulley is both perpendicular to the axis of each pulley in the axis of transition fixed pulley and right pulley group，The steel wire rope part being between left chain wheel group and transition fixed pulley is both perpendicular to the axis of each pulley in the axis of transition fixed pulley and left chain wheel group.
It is parallel to each other between the same plane at the cross section place of the center position in the longitudinal direction of the movable and fixed pulley in the same plane at the cross section place of the center position in the longitudinal direction of the movable and fixed pulley in left chain wheel group and right pulley group.
The steel wire rope part between steel wire rope part and each assembly pulley and transition fixed pulley between each assembly pulley fixed pulley and movable pulley the most vertically extends.
Often group assembly pulley includes a fixed pulley and two movable pulleys.
Steel wire rope one transition fixed pulley of pile warp after left chain wheel group is drawn commutates to right pulley group.
The beneficial effects of the utility model are: owing to the pulley in assembly pulley is in the same plane, steel wire rope is vertical with the axis of pulley at the pulley in assembly pulley, avoid the friction between the grooving sidewall of steel wire rope and pulley, pulley stress is perpendicular to axis simultaneously, avoid the abrasion of the pulley that pulley causes to the upset trend of axis direction, so that pulley and the life of steel wire rope.
Further, steel wire rope part before entering each assembly pulley, steel wire rope part between steel wire rope part and each assembly pulley and transition fixed pulley between each assembly pulley fixed pulley and movable pulley are positioned at approximately the same plane, steel wire rope relative to the angle of plane, does not improves effective lifting altitude.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of pulley gear of the present utility model；
Fig. 2 is that the axle of Fig. 1 pulley gear measures intention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the embodiment of this utility model crane and pulley gear thereof is described further.
nullThe specific embodiment of crane of the present utility model，Including pulley gear、Pulley base 4、Suspension hook 9、Reel 1 and vehicle frame 8，Wherein pulley gear is as shown in Figure 1 to Figure 2，Pulley gear includes a left side、Right pulley group、Steel wire rope 2 and transition fixed pulley 6，Left chain wheel group includes left first movable pulley 31、Left first fixed pulley 71 and left second movable pulley 51，Right pulley group includes right first movable pulley 3、Right first fixed pulley 7 and right second movable pulley 5，Moving in each assembly pulley、The pivot center of fixed pulley is parallel to each other and dynamic、The cross-section of the center position in the longitudinal direction of fixed pulley is in the approximately the same plane perpendicular with described pivot center，The above-mentioned plane of left chain wheel group is parallel to each other with the above-mentioned plane of right pulley group，Reel 1 is positioned at the right of two assembly pulleys，It is vertical with the axis of each pulley in each assembly pulley with the top of right second movable pulley 5 and axis that transition fixed pulley 6 is positioned at left second movable pulley 51，Transition pulley 6、Left first fixed pulley 71 is installed on carriage 8 with right first fixed pulley 7，Each movable pulley of two assembly pulleys is arranged on pulley base 4，Suspension hook 9 is arranged on pulley base 4 lower end，Steel wire rope 2 enters right pulley group by transition fixed pulley 6 after the pile warp left chain wheel group of reel 1，The right front length of cable 21 of right first fixed pulley 7 both sides、Behind the right side, steel wire rope fragment 22 vertically extends and the axis of pulley each with right pulley group is mutually perpendicular to，The left front length of cable 211 of left first fixed pulley 7 both sides in the assembly pulley of left side、Left back steel wire rope fragment 221 vertically extends and the axis of pulley each with left chain wheel group is mutually perpendicular to，Left length of cable 231 on the left of right length of cable on the right side of transition fixed pulley 6 23 and transition fixed pulley 6 be parallel to each other and all with transition pulley 6、In each assembly pulley, the axis of each pulley is mutually perpendicular to，So steel wire rope 2 does not has active force to the grooving sidewall of each pulley，Ensure that steel wire rope 2 does not rub with the grooving sidewall of each pulley，Each pulley is not to the trend of axis direction upset，Thus decrease the abrasion of steel wire rope 2 and pulley，Increase the service life.
In other embodiments, behind right front length of cable 21, the right side, steel wire rope fragment 22, left front length of cable 211, left back steel wire rope fragment 221, right length of cable 23, left length of cable 231 can not also vertically extend.
In other embodiments, the pivot center of the movable and fixed pulley in each assembly pulley is parallel to each other and the cross-section of center position in the longitudinal direction of movable and fixed pulley is in the approximately the same plane perpendicular with described pivot center, and the above-mentioned plane of left chain wheel group can not also be parallel to each other with the above-mentioned plane of right pulley group.
In other embodiments, each assembly pulley can have a fixed pulley and a movable pulley, it is possibility to have two fixed pulleys and two movable pulleys.
In other embodiments, transition pulley 6 can have two.
In other embodiments, steel wire rope 2 can also enter the fixed pulley 71 in left chain wheel group by the fixed pulley 7s pile warp transition pulley 6 from right pulley group.
The specific embodiment of pulley gear of the present utility model is as shown in Figure 1 to Figure 2 and identical with above-mentioned crane middle pulley device detailed description of the invention.
Claims (10)
1. a pulley gear, it is characterized in that: include a left side, right pulley group, each assembly pulley all includes at least one fixed pulley and a movable pulley, moving in each assembly pulley, the pivot center of fixed pulley is parallel to each other and dynamic, the cross-section of the center position in the longitudinal direction of fixed pulley is in the approximately the same plane perpendicular with described pivot center, pulley gear also includes steel wire rope, steel wire rope at least one transition fixed pulley of pile warp after left chain wheel group is drawn commutates to right pulley group, the steel wire rope part being between right pulley group and transition fixed pulley is both perpendicular to the axis of each pulley in the axis of transition fixed pulley and right pulley group, the steel wire rope part being between left chain wheel group and transition fixed pulley is both perpendicular to the axis of each pulley in the axis of transition fixed pulley and left chain wheel group.
Pulley gear the most according to claim 1, it is characterised in that: it is parallel to each other between the same plane at the cross section place of the center position in the longitudinal direction of the movable and fixed pulley in the same plane at the cross section place of the center position in the longitudinal direction of the movable and fixed pulley in left chain wheel group and right pulley group.
Pulley gear the most according to claim 1, it is characterised in that: the steel wire rope part between steel wire rope part and each assembly pulley and transition fixed pulley between each assembly pulley fixed pulley and movable pulley the most vertically extends.
4. according to pulley gear described in claim 1 or 2 or 3, it is characterised in that: often group assembly pulley includes a fixed pulley and two movable pulleys.
Pulley gear the most according to claim 1, it is characterised in that: steel wire rope one transition fixed pulley of pile warp after left chain wheel group is drawn commutates to right pulley group.
null6. a crane，Including pulley gear、Vehicle frame、Reel and suspension hook，It is characterized in that: pulley gear includes a left side、Right pulley group，Each assembly pulley all includes at least one fixed pulley and a movable pulley，Moving in each assembly pulley、The pivot center of fixed pulley is parallel to each other and dynamic、The cross-section of the center position in the longitudinal direction of fixed pulley is in the approximately the same plane perpendicular with described pivot center，Pulley gear also includes steel wire rope，Steel wire rope at least one transition fixed pulley of pile warp after left chain wheel group is drawn commutates to right pulley group，The steel wire rope part being between right pulley group and transition fixed pulley is both perpendicular to the axis of each pulley in the axis of transition fixed pulley and right pulley group，The steel wire rope part being between left chain wheel group and transition fixed pulley is both perpendicular to the axis of each pulley in the axis of transition fixed pulley and left chain wheel group.
Crane the most according to claim 6, it is characterised in that: it is parallel to each other between the same plane at the cross section place of the center position in the longitudinal direction of the movable and fixed pulley in the same plane at the cross section place of the center position in the longitudinal direction of the movable and fixed pulley in left chain wheel group and right pulley group.
Crane the most according to claim 6, it is characterised in that: the steel wire rope part between steel wire rope part and each assembly pulley and transition fixed pulley between each assembly pulley fixed pulley and movable pulley the most vertically extends.
9. according to crane described in claim 6 or 7 or 8, it is characterised in that: often group assembly pulley includes a fixed pulley and two movable pulleys.
Crane the most according to claim 6, it is characterised in that: steel wire rope one transition fixed pulley of pile warp after left chain wheel group is drawn commutates to right pulley group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620486498.1U CN205634719U (en) | 2016-05-25 | 2016-05-25 | Hoist and pulley gear thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620486498.1U CN205634719U (en) | 2016-05-25 | 2016-05-25 | Hoist and pulley gear thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205634719U true CN205634719U (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620486498.1U Active CN205634719U (en) | 2016-05-25 | 2016-05-25 | Hoist and pulley gear thereof |
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| CN (1) | CN205634719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111422772A (en) * | 2020-04-17 | 2020-07-17 | 中船黄埔文冲船舶有限公司 | Marine pulley lifting system and installation method thereof |
-
2016
- 2016-05-25 CN CN201620486498.1U patent/CN205634719U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111422772A (en) * | 2020-04-17 | 2020-07-17 | 中船黄埔文冲船舶有限公司 | Marine pulley lifting system and installation method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |