CN204416939U - A kind of steadily luffing assembly pulley - Google Patents
A kind of steadily luffing assembly pulley Download PDFInfo
- Publication number
- CN204416939U CN204416939U CN201520036320.2U CN201520036320U CN204416939U CN 204416939 U CN204416939 U CN 204416939U CN 201520036320 U CN201520036320 U CN 201520036320U CN 204416939 U CN204416939 U CN 204416939U
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- CN
- China
- Prior art keywords
- assembly pulley
- pulley
- mounting bracket
- center shaft
- shaped steel
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of steadily luffing assembly pulley, comprise: pulley mounting bracket, first assembly pulley and the second assembly pulley, described first assembly pulley and the second assembly pulley are symmetricly set on pulley mounting bracket, described pulley mounting bracket comprises four blocks of U-shaped steel plates, described U-shaped steel plate is parallel stackedly arranges formation three interlayers, described first assembly pulley and the second assembly pulley comprise a center shaft and sheathed three Hot-Rolled Sheave on center shaft respectively, described center shaft is vertically fixed on pulley mounting bracket respectively, described Hot-Rolled Sheave is separately positioned among three interlayers.By the way, the steady luffing assembly pulley of one described in the utility model, first assembly pulley and the second assembly pulley Parallel Symmetric are arranged, center shaft in use procedure and drag-line keep vertical, avoid upset or the inclination of pulley mounting bracket, center shaft is stressed more even, and use steadily reliable, safety is high.
Description
Technical field
The utility model relates to assembly pulley design field, particularly relates to a kind of steadily luffing assembly pulley.
Background technology
Flourish along with China's economy and port construction, the loading and unloading capacity of cargoes imported and exported sharply rises, therefore also growing to the demand of hoisting crane, and luffing assembly pulley is as the important composition parts of hoisting crane, in the operational process of rope, play very important effect.
General luffing assembly pulley is in the process used, and the spacing of the fixed pulley on Shears and the pulley room of running block are apart from being different, and so in most cases, running block is all tilt.The easy stressed run-off the straight of pulley center axle, the stability that impact uses, needs to improve.
Utility model content
The technical matters that the utility model mainly solves is to provide a kind of steadily luffing assembly pulley, improves the stationarity and reliability that use, avoids the inclination of sheave shaft.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of steadily luffing assembly pulley, comprise: pulley mounting bracket, first assembly pulley and the second assembly pulley, described first assembly pulley and the second assembly pulley are symmetricly set on pulley mounting bracket, described pulley mounting bracket comprises four blocks of U-shaped steel plates, described U-shaped steel plate is parallel stackedly arranges formation three interlayers, described first assembly pulley and the second assembly pulley comprise a center shaft and sheathed three Hot-Rolled Sheave on center shaft respectively, described center shaft is vertically fixed on pulley mounting bracket respectively, 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 anchor shaft, described drag-line anchor shaft is arranged with respectively two reeded draw rings of cylindrical band.
In the utility model preferred embodiment, between described U-shaped steel plate, bolt of long stem is adopted to be connected.
In the utility model preferred embodiment, be respectively arranged with antifriction-bearing box in the trepanning in the middle part of described Hot-Rolled Sheave, described antifriction-bearing box is on center shaft sheathed.
In the utility model preferred embodiment, in described center shaft, be provided with the oil hole connecting antifriction-bearing box.
In the utility model preferred embodiment, described U-shaped steel plate is respectively arranged with two adapter plates extended laterally, described pulley mounting bracket is provided with the connecting rod running through adapter plate end.
In the utility model preferred embodiment, described connecting rod and bolt of long stem recline the cylindrical of Hot-Rolled Sheave respectively.
In the utility model preferred embodiment, among described interlayer, be respectively arranged with the baffle plate connecting U-shaped steel plate.
In the utility model preferred embodiment, described draw ring is connected to drag-line.
The beneficial effects of the utility model are: the steady luffing assembly pulley of one that the utility model is pointed out, first assembly pulley and the second assembly pulley Parallel Symmetric are arranged, center shaft in use procedure and drag-line keep vertical, avoid upset or the inclination of pulley mounting bracket, center shaft is stressed more even, use steadily reliable, safety is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, 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, wherein:
Fig. 1 is the structural representation of a kind of steady luffing assembly pulley one of the utility model preferred embodiment;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the wirerope-winding mode of steady luffing assembly pulley on hoisting crane.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the utility model embodiment below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 to Fig. 3, the utility model embodiment comprises:
A kind of steadily luffing assembly pulley, comprise: pulley mounting bracket 1, first assembly pulley and the second assembly pulley, described first assembly pulley and the second assembly pulley are symmetricly set on pulley mounting bracket 1, described pulley mounting bracket 1 comprises four blocks of U-shaped steel plates, described U-shaped steel plate is parallel stackedly arranges formation three interlayers, described first assembly pulley and the second assembly pulley comprise a center shaft 2 and sheathed three Hot-Rolled Sheave 3 on center shaft respectively, described center shaft 1 is vertically fixed on pulley mounting bracket 1 respectively, 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 anchor shaft 4, described drag-line anchor shaft 4 is arranged with respectively two reeded draw rings 6 of cylindrical band, groove is convenient to the fixing of drag-line 7.
The steady luffing pulley block structure of described one is firm, adopts bolt of long stem 11 to be connected between described U-shaped steel plate, at least adopts 4 bolt of long stems 11.
Further, be respectively arranged with antifriction-bearing box 5 in the trepanning in the middle part of described Hot-Rolled Sheave 3, described axis of rolling bearing sleeve 5 is located on center shaft 2.
Further, in described center shaft 2, be provided with the oil hole 21 connecting antifriction-bearing box 5, reduce the friction of antifriction-bearing box 5.
Further, described U-shaped steel plate is respectively arranged with two adapter plates extended laterally 13, described pulley mounting bracket 1 is provided with the connecting rod 14 running through adapter plate 13 end, had both strengthened the structure of pulley mounting bracket 1, the slippage of steel 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, and prevent steel rope slippage in Hot-Rolled Sheave 3, as shown in Figure 2, the cylindrical place of Hot-Rolled Sheave 3 has 3 points to be restricted.
Further, among described interlayer, be respectively arranged with the baffle plate 12 connecting U-shaped steel plate, connect the U-shaped steel plate of levels, form interlayer, strengthen structure.
The steady luffing assembly pulley of one that the utility model is pointed out, described draw ring 6 is connected to drag-line 7, and in the process of lifting work, drag-line 7 keeps tight, center shaft 1 is perpendicular, facilitate 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, more reliable and safety.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. a steady luffing assembly pulley, comprise: pulley mounting bracket, first assembly pulley and the second assembly pulley, described first assembly pulley and the second assembly pulley are symmetricly set on pulley mounting bracket, it is characterized in that, described pulley mounting bracket comprises four blocks of U-shaped steel plates, described U-shaped steel plate is parallel stackedly arranges formation three interlayers, described first assembly pulley and the second assembly pulley comprise a center shaft and sheathed three Hot-Rolled Sheave on center shaft respectively, described center shaft is vertically fixed on pulley mounting bracket respectively, 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 anchor shaft, described drag-line anchor shaft is arranged with respectively two reeded draw rings of cylindrical band.
2. steady luffing assembly pulley according to claim 1, is characterized in that, adopts bolt of long stem to be connected between described U-shaped steel plate.
3. steady luffing assembly pulley according to claim 1, is characterized in that, be respectively arranged with antifriction-bearing box in the trepanning in the middle part of described Hot-Rolled Sheave, described antifriction-bearing box is on center shaft sheathed.
4. steady luffing assembly pulley according to claim 3, is characterized in that, is provided with the oil hole connecting antifriction-bearing box in described center shaft.
5. steady luffing assembly pulley according to claim 2, is characterized in that, described U-shaped steel plate is respectively arranged with two adapter plates extended laterally, and described pulley mounting bracket is provided with the connecting rod running through adapter plate end.
6. steady luffing assembly pulley according to claim 5, is characterized in that, described connecting rod and bolt of long stem recline the cylindrical of Hot-Rolled Sheave respectively.
7. steady luffing assembly pulley according to claim 1, is characterized in that, is respectively arranged with the baffle plate connecting U-shaped steel plate among described interlayer.
8. steady luffing assembly pulley according to claim 1, is characterized in that, described draw ring is connected to drag-line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036320.2U CN204416939U (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 |
|---|---|---|---|
| CN201520036320.2U CN204416939U (en) | 2015-01-20 | 2015-01-20 | A kind of steadily luffing assembly pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204416939U true CN204416939U (en) | 2015-06-24 |
Family
ID=53467328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520036320.2U Withdrawn - After Issue CN204416939U (en) | 2015-01-20 | 2015-01-20 | A kind of steadily luffing assembly pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204416939U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555730A (en) * | 2015-01-20 | 2015-04-29 | 江苏振东港口机械制造有限公司 | Stable amplitude variable pulley block |
| CN109761161A (en) * | 2019-03-26 | 2019-05-17 | 石家庄辰启科技有限公司 | Anti-lost rope pulley |
-
2015
- 2015-01-20 CN CN201520036320.2U patent/CN204416939U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555730A (en) * | 2015-01-20 | 2015-04-29 | 江苏振东港口机械制造有限公司 | Stable amplitude variable pulley block |
| CN104555730B (en) * | 2015-01-20 | 2016-08-24 | 江苏振东港口机械制造有限公司 | A kind of steadily luffing assembly pulley |
| CN109761161A (en) * | 2019-03-26 | 2019-05-17 | 石家庄辰启科技有限公司 | Anti-lost rope pulley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150624 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |