CN104555730B - A kind of steadily luffing assembly pulley - Google Patents
A kind of steadily luffing assembly pulley Download PDFInfo
- Publication number
- CN104555730B CN104555730B CN201510026344.4A CN201510026344A CN104555730B CN 104555730 B CN104555730 B CN 104555730B CN 201510026344 A CN201510026344 A CN 201510026344A CN 104555730 B CN104555730 B CN 104555730B
- Authority
- CN
- China
- Prior art keywords
- assembly pulley
- pulley
- mounting bracket
- shaped steel
- central shaft
- Prior art date
- 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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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 239000011229 interlayer Substances 0.000 claims abstract description 12
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
- B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
- B66D3/08—Arrangements of sheaves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pulleys (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a kind of steadily luffing assembly pulley, including: pulley mounting bracket, the first assembly pulley and the second assembly pulley, described first assembly pulley and the second assembly pulley are symmetricly set in pulley mounting bracket, described pulley mounting bracket includes four blocks of U-shaped steel plates, the described parallel stacking of U-shaped steel plate arranges three interlayers of formation, described first assembly pulley and the second assembly pulley include a central shaft and sheathed three Hot-Rolled Sheave on center shaft respectively, described central shaft is respectively and vertically fixed in pulley mounting bracket, and described Hot-Rolled Sheave is separately positioned among three interlayers.By the way, one of the present invention steady luffing assembly pulley, first assembly pulley and the second assembly pulley Parallel Symmetric are arranged, central shaft during use keeps vertical with drag-line, avoid upset or the inclination of pulley mounting bracket, central shaft is more uniformly stressed, and uses the most reliable, and safety is high.
Description
Technical field
The present invention relates to assembly pulley design field, particularly relate to a kind of steadily luffing assembly pulley.
Background technology
Flourish along with China's economy and port construction, the handling capacity of cargoes imported and exported steeply rises, therefore the most growing to the demand of crane, and luffing assembly pulley is as the important composition parts of crane, plays very important effect in the running of rope.
General luffing assembly pulley is during using, and the spacing of the fixed pulley on man-like shelf and the pulley room of running block are away from being different, and the most in most cases, running block is all to tilt.The easy stress run-off the straight of pulley center axle, the stability that impact uses, need to improve.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of steadily luffing assembly pulley, improves the stationarity and reliability used, it is to avoid the inclination of pulley spindle.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide a kind of steadily luffing assembly pulley, including: pulley mounting bracket, first assembly pulley and the second assembly pulley, described first assembly pulley and the second assembly pulley are symmetricly set in pulley mounting bracket, described pulley mounting bracket includes four blocks of U-shaped steel plates, the described parallel stacking of U-shaped steel plate arranges three interlayers of formation, described first assembly pulley and the second assembly pulley include a central shaft and sheathed three Hot-Rolled Sheave on center shaft respectively, described central shaft is respectively and vertically fixed in pulley mounting bracket, described Hot-Rolled Sheave is separately positioned among three interlayers, two ends of described pulley mounting bracket U-shaped opening are respectively arranged with drag-line and fix axle, described drag-line is fixed and is arranged with two reeded draw rings of cylindrical band on axle respectively.
In a preferred embodiment of the present invention, bolt of long stem between described U-shaped steel plate, is used to be connected.
In a preferred embodiment of the present invention, being respectively arranged with rolling bearing in the trepanning in the middle part of described Hot-Rolled Sheave, described rolling bearing is sheathed on center shaft.
In a preferred embodiment of the present invention, described central shaft is provided with the oil filler point connecting rolling bearing.
In a preferred embodiment of the present invention, described U-shaped steel plate is respectively arranged with two fixed plates extended laterally, described pulley mounting bracket is provided through the connecting rod of fixed plate end.
In a preferred embodiment of the present invention, described connecting rod and bolt of long stem recline the cylindrical of Hot-Rolled Sheave respectively.
In a preferred embodiment of the present invention, among described interlayer, it is respectively arranged with the baffle plate connecting U-shaped steel plate.
In a preferred embodiment of the present invention, described draw ring is connected to drag-line.
The invention has the beneficial effects as follows: a kind of steadily luffing assembly pulley that the present invention points out, first assembly pulley and the second assembly pulley Parallel Symmetric are arranged, central shaft during use keeps vertical with drag-line, avoid upset or the inclination of pulley mounting bracket, central shaft is more uniformly stressed, using the most reliable, safety is high.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of the present invention a kind of steady luffing assembly pulley one preferred embodiment；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is steady luffing assembly pulley wirerope-winding mode on crane.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1 to Fig. 3, the embodiment of the present invention includes:
A kind of steadily luffing assembly pulley, including: pulley mounting bracket 1, first assembly pulley and the second assembly pulley, described first assembly pulley and the second assembly pulley are symmetricly set in pulley mounting bracket 1, described pulley mounting bracket 1 includes four blocks of U-shaped steel plates, the described parallel stacking of U-shaped steel plate arranges three interlayers of formation, described first assembly pulley and the second assembly pulley include a central shaft 2 and sheathed three Hot-Rolled Sheave 3 on center shaft respectively, described central shaft 2 is respectively and vertically fixed in pulley mounting bracket 1, described Hot-Rolled Sheave 3 is separately positioned among three interlayers, two ends of described pulley mounting bracket 1U shape opening are respectively arranged with drag-line and fix axle 4, described drag-line is fixed and is arranged with two reeded draw rings of cylindrical band 6 on axle 4 respectively, groove is easy to the fixing of drag-line 7.
Described a kind of steadily luffing pulley block structure is firm, uses bolt of long stem 11 to be connected, at least use 4 bolt of long stems 11 between described U-shaped steel plate.
Further, being respectively arranged with rolling bearing 5 in the trepanning in the middle part of described Hot-Rolled Sheave 3, described rolling bearing 5 is located on central shaft 2.
Further, described central shaft 2 is provided with the oil filler point 21 connecting rolling bearing 5, reduces the friction of rolling bearing 5.
Further, two fixed plates extended laterally 13 it are respectively arranged with on described U-shaped steel plate, it is provided through the connecting rod 14 of fixed plate 13 end in described pulley mounting bracket 1, had both strengthened the structure of pulley mounting bracket 1, the slippage of steel wire rope in Hot-Rolled Sheave 3 can be limited again.
Further, described connecting rod 14 and bolt of long stem 11 recline the cylindrical of Hot-Rolled Sheave 3 respectively, prevent steel wire rope in Hot-Rolled Sheave 3 from slipping, as in figure 2 it is shown, there are 3 points to be restricted at the cylindrical of Hot-Rolled Sheave 3.
Further, among described interlayer, it is respectively arranged with the baffle plate 12 connecting U-shaped steel plate, connects the U-shaped steel plate of levels, form interlayer, reinforcement structure.
A kind of steadily luffing assembly pulley that the present invention points out, being connected to drag-line 7 on described draw ring 6, during lifting work, drag-line 7 keeps tight, central shaft 2 is perpendicular, facilitating coordinating of Hot-Rolled Sheave 3 and fixed pulley, wirerope-winding mode as shown in Figure 3, middle part one is classified as fixed pulley, right side is steady luffing assembly pulley, no-float, stability is high, relatively reliable and safety.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (8)
1. a steady luffing assembly pulley, including: pulley mounting bracket, first assembly pulley and the second assembly pulley, described first assembly pulley and the second assembly pulley are symmetricly set in pulley mounting bracket, it is characterized in that, described pulley mounting bracket includes four blocks of U-shaped steel plates, the described parallel stacking of U-shaped steel plate arranges three interlayers of formation, described first assembly pulley and the second assembly pulley include a central shaft and sheathed three Hot-Rolled Sheave on center shaft respectively, described central shaft is respectively and vertically fixed in pulley mounting bracket, described Hot-Rolled Sheave is separately positioned among three interlayers, two ends of described pulley mounting bracket U-shaped opening are respectively arranged with drag-line and fix axle, described drag-line is fixed and is arranged with two reeded draw rings of cylindrical band on axle respectively.
Steady luffing assembly pulley the most according to claim 1, it is characterised in that use bolt of long stem to be connected between described U-shaped steel plate.
Steady luffing assembly pulley the most according to claim 1, it is characterised in that be respectively arranged with rolling bearing in the trepanning in the middle part of described Hot-Rolled Sheave, described rolling bearing is sheathed on center shaft.
Steady luffing assembly pulley the most according to claim 3, it is characterised in that be provided with the oil filler point connecting rolling bearing in described central shaft.
Steady luffing assembly pulley the most according to claim 2, it is characterised in that be respectively arranged with two fixed plates extended laterally on described U-shaped steel plate, described pulley mounting bracket is provided through the connecting rod of fixed plate end.
Steady luffing assembly pulley the most according to claim 5, it is characterised in that described connecting rod and bolt of long stem recline the cylindrical of Hot-Rolled Sheave respectively.
Steady luffing assembly pulley the most according to claim 1, it is characterised in that be respectively arranged with the baffle plate connecting U-shaped steel plate among described interlayer.
Steady luffing assembly pulley the most according to claim 1, it is characterised in that be connected to drag-line on described draw ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510026344.4A CN104555730B (en) | 2015-01-20 | 2015-01-20 | A kind of steadily luffing assembly pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510026344.4A CN104555730B (en) | 2015-01-20 | 2015-01-20 | A kind of steadily luffing assembly pulley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104555730A CN104555730A (en) | 2015-04-29 |
| CN104555730B true CN104555730B (en) | 2016-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510026344.4A Active CN104555730B (en) | 2015-01-20 | 2015-01-20 | A kind of steadily luffing assembly pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104555730B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249337A (en) * | 2018-03-05 | 2018-07-06 | 苏州库力铁重工有限公司 | Lifting hook pulley component |
| CN112938806B (en) * | 2021-05-17 | 2021-07-20 | 南通峰帆运动用品有限公司 | Improved generation becomes width of cloth assembly pulley |
| CN116239005B (en) * | 2023-05-12 | 2023-07-18 | 贵州省公路工程集团有限公司 | Sideslip assembly for cable hoisting and installation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2075641U (en) * | 1989-12-28 | 1991-04-24 | 嵇先亮 | variable pulley block |
| CN202785251U (en) * | 2012-09-25 | 2013-03-13 | 河南卫华重型机械股份有限公司 | Crane hook fixture |
| CN203411265U (en) * | 2013-08-21 | 2014-01-29 | 中联重科股份有限公司 | Movable pulley block of variable-amplitude pull rod of movable arm tower crane and movable arm tower crane |
| CN103641002A (en) * | 2013-12-11 | 2014-03-19 | 徐工集团工程机械股份有限公司 | Assembling device and method of variable-amplitude pulley block |
| CN204416939U (en) * | 2015-01-20 | 2015-06-24 | 江苏振东港口机械制造有限公司 | A kind of steadily luffing assembly pulley |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005043061B3 (en) * | 2005-09-06 | 2007-05-03 | Terex-Demag Gmbh & Co. Kg | Combination double bottom block |
-
2015
- 2015-01-20 CN CN201510026344.4A patent/CN104555730B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2075641U (en) * | 1989-12-28 | 1991-04-24 | 嵇先亮 | variable pulley block |
| CN202785251U (en) * | 2012-09-25 | 2013-03-13 | 河南卫华重型机械股份有限公司 | Crane hook fixture |
| CN203411265U (en) * | 2013-08-21 | 2014-01-29 | 中联重科股份有限公司 | Movable pulley block of variable-amplitude pull rod of movable arm tower crane and movable arm tower crane |
| CN103641002A (en) * | 2013-12-11 | 2014-03-19 | 徐工集团工程机械股份有限公司 | Assembling device and method of variable-amplitude pulley block |
| CN204416939U (en) * | 2015-01-20 | 2015-06-24 | 江苏振东港口机械制造有限公司 | A kind of steadily luffing assembly pulley |
Non-Patent Citations (1)
| Title |
|---|
| 补偿滑轮组变幅机构的可靠性稳健优化设计;吴志强等;《煤矿机械》;20090331;第30卷(第3期);25-27 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104555730A (en) | 2015-04-29 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A type of stable variable amplitude pulley block Effective date of registration: 20230330 Granted publication date: 20160824 Pledgee: Yushan Linchang Branch of Jiangsu Changshu Rural Commercial Bank Co.,Ltd. Pledgor: JIANGSU ZHENGDONG PORT MACHINERY MANUFACYURING Co.,Ltd. Registration number: Y2023980037064 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |