CN203545548U - Hoisting mechanism and engineering machinery - Google Patents
Hoisting mechanism and engineering machinery Download PDFInfo
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- CN203545548U CN203545548U CN201320598207.4U CN201320598207U CN203545548U CN 203545548 U CN203545548 U CN 203545548U CN 201320598207 U CN201320598207 U CN 201320598207U CN 203545548 U CN203545548 U CN 203545548U
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- row
- pulley
- downside
- hoisting mechanism
- column
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Abstract
The utility model provides a hoisting mechanism and engineering machinery. The hoisting mechanism comprises a winding drum, a fixed pulley group and a movable pulley group; a steel wire rope sequentially penetrates through a pulley on the upper side of the second row and the second column, a pulley on the upper side of the first row and the first column, a pulley on the upper side of the second row and the first column, a pulley on the lower side of the first row and the first column, a pulley on the lower side of the second row and the first column, a pulley on the upper side of the first row and the second column, a pulley on the lower side of the second row and the second column, a pulley on the upper side of the first row and the third column, a pulley on the upper side of the second row and the third column, a pulley on the lower side of the first row and the third column and a pulley on the lower side of the second row and the third column through a large pulley and is fixedly connected to a support of the fixed pulley group. Two sides of the movable pulley group of the hoisting mechanism are uniformly stressed, eleven pulleys are used for achieving twelvefold zoom, the pulleys are fully utilized, the efficiency of the movable pulley group is improved, and only two pulleys are arranged on each pulley shaft at most, so that the service life of the pulley shaft can be prolonged.
Description
Technical field
The utility model relates to engineering machinery field, particularly a kind of hoisting mechanism and construction machinery and equipment.
Background technology
The hoisting mechanism of the construction machinery and equipments such as existing hoisting crane, pile driver, is provided with running block conventionally, and existing running block adopts two kinds mostly, and a kind of is the six axles versions of totally ten one pulleys, and also having a kind of is the four axles versions of totally ten two pulleys.
For running block, because the reason of efficiency of pulley, the power of steel rope first pulley from elevator to running block, be far longer than last pulley of running block to the power of fixed pulley group, therefore, the wirerope-winding method of the running block of the first version can cause running block two ends unbalance stress, the steel rope of stressed large one end has the danger being pulled off, and although the running block of the second version has been avoided the problem of running block unbalance stress, but every sheave shaft has born the power of three movable pulleys, wearing and tearing to sheave shaft are larger, simultaneously, with 12 movable pulleys, but only has the zoom rate of ten times, do not give full play to the efficiency of movable pulley.
Utility model content
In view of this, the utility model is intended to propose a kind of hoisting mechanism and construction machinery and equipment, to solve the problem of running block unbalance stress and to improve the efficiency of movable pulley.
For achieving the above object, the technical solution of the utility model is achieved in that
On the one hand, the utility model discloses a kind of hoisting mechanism, comprise reel, fixed pulley group and running block, described fixed pulley group and running block comprise two row's three the row six roots of sensation is parallel to each other altogether sheave shaft and 11 horizontally disposed pulleys, wherein, and three assemblies that sheave shaft is fixed pulley group of first row, three assemblies that sheave shaft is running block of second row, in described three row sheave shafts, middle one classifies secondary series as, and other two row are respectively first row and the 3rd row, on the sheave shaft of first row secondary series, be provided with a pulley, on all the other five sheave shafts, be respectively arranged with upside and downside totally two pulleys, and the pulley of the upside of these five sheave shafts be positioned at the same side, described fixed pulley group also comprises a large pulley vertically arranging, steel rope sequentially passes the pulley of second row secondary series upside by large pulley, the pulley of first row first row upside, the pulley of second row first row upside, the pulley of first row first row downside, the pulley of second row first row downside, pulley on first row secondary series, the pulley of second row secondary series downside, first ranked third the pulley that lists side, second ranked third the pulley that lists side, first ranked third the pulley of row downside, second ranked third the pulley of row downside and is fixedly attached on the support of described fixed pulley group.
Further, the pulley on described first row secondary series is arranged on the middle part of described sheave shaft.
Further, the pulley of described first row first row upside and first ranked third the pulley that lists side and is positioned at same plane, and the pulley of the upside of three sheave shafts of described second row is positioned at same plane.
Further, the pulley of described first row first row downside and the first pulley that ranked third row downside are positioned at same plane, and the pulley of the downside of three sheave shafts of described second row is positioned at same plane.
Further, described large pulley aligns with the sheave shaft of described first row secondary series.
On the other hand, the invention also discloses a kind of construction machinery and equipment, described construction machinery and equipment is provided with hoisting mechanism as above.
Further, described construction machinery and equipment is hoisting crane or pile driver.
With respect to prior art, the utlity model has following advantage: the both sides of the running block of hoisting mechanism described in the utility model are stressed evenly, use 11 pulleys to reach duodenary zoom, pulley is fully used, improved the efficiency of running block, and on every sheave shaft, only have at most two pulleys, can increase the service life of sheave shaft.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the hoisting mechanism described in the utility model embodiment.
Description of reference numerals:
1-reel, 2-large pulley, 3-pulley, 4-sheave shaft, 5-support, A-first row first row, B-second ranked third row.
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the utility model can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Fig. 1 is the relevant drawings of the present embodiment, as shown in FIG., hoisting mechanism described in the present embodiment comprises reel 1, fixed pulley group and running block, fixed pulley group and running block comprise two row's three the row six roots of sensation is parallel to each other altogether sheave shaft 4 and 11 pulleys 3, wherein, three sheave shafts 4 of first row are the assembly of fixed pulley group, the assembly that three sheave shafts 4 of second row are running block, in three row sheave shafts 4, one of centre is classified secondary series as, other two row are respectively first row and the 3rd row, in the present embodiment, label taking note A place is first row first row, label taking note B place second ranked third row, on the middle part of the sheave shaft 4 of first row secondary series, be provided with a pulley 3, be respectively arranged with upside and downside totally two pulleys 3 on all the other five sheave shafts 4, said upside and downside, be all for the pulley 3 at first row secondary series middle part here.And in these five sheave shafts 4, the pulley 3 of first row first row upside and first ranked third the pulley 3 that lists side and is positioned at same plane, the pulley 3 of the upside of three sheave shafts 4 of second row is positioned at same plane, the pulley 3 that the pulley 3 of first row first row downside and first ranked third row downside is positioned at same plane, and the pulley 3 of the downside of three sheave shafts 4 of second row is also positioned at same plane, fixed pulley group also comprises a large pulley 2 vertically arranging, steel rope sequentially passes the pulley 3 of second row secondary series upside by large pulley 2, the pulley 3 of first row first row upside, the pulley 3 of second row first row upside, the pulley 3 of first row first row downside, the pulley 3 of second row first row downside, pulley 3 on first row secondary series, the pulley 3 of second row secondary series downside, first ranked third the pulley 3 that lists side, second ranked third the pulley 3 that lists side, first ranked third the pulley 3 of row downside, second ranked third the pulley 3 of row downside and is fixedly attached on the support 5 of fixed pulley group.This large pulley 2 aligns with the sheave shaft 4 of first row secondary series.
The both sides of the running block of the hoisting mechanism described in the present embodiment are stressed evenly, use 11 pulleys to reach duodenary zoom rate, pulley is fully used, improved the efficiency of running block, and on every sheave shaft, only have at most two pulleys, can increase the service life of sheave shaft.
Except above-mentioned hoisting mechanism, the utility model also provides a kind of construction machinery and equipment that is provided with above-mentioned hoisting mechanism, and this project machinery can be hoisting crane or pile driver, and the structure of other each several part of this hoisting crane or pile driver, with reference to prior art, repeats no more herein.
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 modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a hoisting mechanism, comprise reel (1), fixed pulley group and running block, it is characterized in that, described fixed pulley group and running block comprise two row's three the row six roots of sensation is parallel to each other altogether sheave shaft (4) and 11 horizontally disposed pulleys (3), wherein, three sheave shafts (4) of first row are the assembly of fixed pulley group, the assembly that three sheave shafts (4) of second row are running block, in described three row sheave shafts (4), middle one classifies secondary series as, and other two row are respectively first row and the 3rd row, on the sheave shaft (4) of first row secondary series, be provided with a pulley (3), on all the other five sheave shafts (4), be respectively arranged with upside and downside totally two pulleys (3), described fixed pulley group also comprises a large pulley (2) vertically arranging, steel rope sequentially passes the pulley (3) of second row secondary series upside by large pulley (2), the pulley (3) of first row first row upside, the pulley (3) of second row first row upside, the pulley (3) of first row first row downside, the pulley (3) of second row first row downside, pulley on first row secondary series (3), the pulley (3) of second row secondary series downside, first ranked third the pulley (3) that lists side, second ranked third the pulley (3) that lists side, first ranked third the pulley (3) of row downside, second ranked third the pulley (3) of row downside and is fixedly attached on the support (5) of described fixed pulley group.
2. hoisting mechanism according to claim 1, is characterized in that, the pulley (3) on described first row secondary series is arranged on the middle part of described sheave shaft (4).
3. hoisting mechanism according to claim 1 and 2, it is characterized in that, the pulley (3) and first of described first row first row upside ranked third the pulley (3) that lists side and is positioned at same plane, and the pulley (3) of the upside of three sheave shafts (4) of described second row is positioned at same plane.
4. hoisting mechanism according to claim 1 and 2, it is characterized in that, the pulley (3) that the pulley (3) and first of described first row first row downside ranked third row downside is positioned at same plane, and the pulley (3) of the downside of three sheave shafts (4) of described second row is positioned at same plane.
5. hoisting mechanism according to claim 3, is characterized in that, described large pulley (2) aligns with the sheave shaft (4) of described first row secondary series.
6. a construction machinery and equipment, is characterized in that, described construction machinery and equipment is provided with the hoisting mechanism as described in claim 1 to 5 any one.
7. construction machinery and equipment according to claim 6, is characterized in that, described construction machinery and equipment is hoisting crane or pile driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320598207.4U CN203545548U (en) | 2013-09-26 | 2013-09-26 | Hoisting mechanism and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320598207.4U CN203545548U (en) | 2013-09-26 | 2013-09-26 | Hoisting mechanism and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203545548U true CN203545548U (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320598207.4U Expired - Fee Related CN203545548U (en) | 2013-09-26 | 2013-09-26 | Hoisting mechanism and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203545548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347002A (en) * | 2022-02-11 | 2022-04-15 | 清华大学 | Cable-driven series-parallel robot palletizer with light weight and high bearing characteristic |
-
2013
- 2013-09-26 CN CN201320598207.4U patent/CN203545548U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347002A (en) * | 2022-02-11 | 2022-04-15 | 清华大学 | Cable-driven series-parallel robot palletizer with light weight and high bearing characteristic |
| CN114347002B (en) * | 2022-02-11 | 2024-01-30 | 清华大学 | Cable-driven parallel-serial palletizing robot with light weight and high bearing characteristic |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20170926 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |