CN211004313U - Double-lifting device of crane - Google Patents
Double-lifting device of crane Download PDFInfo
- Publication number
- CN211004313U CN211004313U CN201921840549.6U CN201921840549U CN211004313U CN 211004313 U CN211004313 U CN 211004313U CN 201921840549 U CN201921840549 U CN 201921840549U CN 211004313 U CN211004313 U CN 211004313U
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- Prior art keywords
- pulley block
- reel
- guide
- guiding
- crane
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000004804 winding Methods 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 230000007935 neutral effect Effects 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 1
- 241000282693 Cercopithecidae Species 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to a two play to rise device of hoist, including reel group, hanging beam and monkey, the reel group includes first reel and second reel, first reel lower part is provided with first loose pulley, second reel lower part is provided with the second loose pulley, is provided with first guiding mechanism between first reel and the monkey, is provided with second guiding mechanism between second reel and the monkey, first guiding mechanism and second guiding mechanism are used for two structures keep balance that play, it is provided with first movable pulley group and second movable pulley group to correspond on the hanging beam, first movable pulley group and second movable pulley group and hanging beam fixed connection. The utility model discloses be provided with two and play to rise the device, realize the balance between the two hoisting mechanism of hoist, guarantee that two hoisting mechanism can go up and down in step, reduce the accident risk, improved wire rope life.
Description
Technical Field
The utility model relates to a lifting apparatus field especially relates to a two play to rise devices of hoist.
Background
At present, two sets of independent hoisting mechanisms are generally arranged on the traditional double-hoisting-point and four-hoisting-point cranes, and steel wire ropes of the double hoisting mechanisms are wound independently. In order to ensure synchronous lifting of the double lifting mechanisms, the double lifting mechanisms are usually rigidly connected. If one set of hoisting mechanism breaks down, the hoisting mechanism of the crane stops working, and the whole crane cannot work normally, so that certain potential safety hazard exists.
Disclosure of Invention
The utility model discloses a solve current two hoisting points and four hoisting point hoist hoisting mechanism when the operation break down and easily cause the accident to and the easy cracked problem of wire rope, provide a two play to rise device of hoist, realize the balance between the two hoisting mechanism of hoist, guarantee that two hoisting mechanism can go up and down in step, reduce the accident risk, improved wire rope life.
In order to realize the purpose, the technical scheme of the utility model is that:
the utility model provides a two play to rise device of hoist, includes reel group, hanging beam and monkey, the reel group includes first reel and second reel, first reel and second reel correspond and set up in the upper end of monkey, and first reel lower part is provided with first loose pulley, and second reel lower part is provided with the second loose pulley, first loose pulley and second loose pulley set up about the symmetry of monkey median line, are provided with first guiding mechanism between first reel and the monkey, are provided with the second guiding mechanism between second reel and the monkey, first guiding mechanism and second guiding mechanism are used for two structures of rising to keep balance, correspond on the hanging beam and be provided with first movable pulley group and second movable pulley group, first movable pulley group and second movable pulley group and hanging beam fixed connection, first reel, second reel are used for two structures of rising to keep balance, The first fixed pulley block, the second fixed pulley block, the first guide mechanism, the second guide mechanism, the first movable pulley block and the second movable pulley block are connected through a steel wire rope.
Furthermore, the first guide mechanism comprises a first guide pulley block and a third guide pulley block, the first guide pulley block is arranged in parallel with the hanging beam, the third guide pulley block is arranged in perpendicular to the hanging beam, the second guide mechanism comprises a second guide pulley block and a fourth guide pulley block, the second guide pulley block is arranged in parallel with the hanging beam, the fourth guide pulley block is arranged in perpendicular to the hanging beam, and the first guide pulley block, the third guide pulley block, the second guide pulley block and the fourth guide pulley block are fixedly connected with the frame of the crane trolley.
Furthermore, the first guide pulley block and the second guide pulley block are symmetrically arranged, and the third guide pulley block and the fourth guide pulley block are symmetrically arranged.
Further, the wire rope includes a first wire rope and a second wire rope.
Furthermore, the winding direction of the first steel wire rope is from the first winding drum side to the second winding drum side, and the winding direction of the second steel wire rope is from the second winding drum side to the first winding drum side.
The utility model has the advantages that:
1. the utility model discloses be provided with two hoisting apparatus, two hoisting apparatus include first guiding mechanism and second guiding mechanism, first guiding mechanism and second guiding mechanism are used for guaranteeing two structures keep balance, make two hoisting mechanism keep even atress when the atress, stress point skew can not appear, and first guiding mechanism and second guiding mechanism can avoid the problem that the winding knotted at the during operation of multistage wire rope simultaneously, have improved two hoisting mechanism's security performance.
2. The double-lifting device is improved on the original crane, and the arranged first fixed pulley block, second fixed pulley block, first guide mechanism, second guide mechanism, first movable pulley block and second movable pulley block are all universal pulley instruments, so that the double-lifting device is easy to install, disassemble and convenient to replace and overhaul.
Drawings
Fig. 1 is the structural schematic diagram of the double-lifting device of the crane.
Fig. 2 is the first wire rope winding schematic diagram of the dual-lifting device of the crane.
FIG. 3 is the second wire rope winding schematic diagram of the dual-lifting device of the crane
The reference numbers in the drawings are as follows: 101 is a first reel, 102 is a second reel, 2 is a hanging beam, 3 is a first fixed pulley block, 4 is a second fixed pulley block, 5 is a first guide pulley block, 6 is a third guide pulley block, 7 is a second guide pulley block, 8 is a fourth guide pulley block, 9 is a first movable pulley block, 10 is a second movable pulley block, 1101 is a first steel wire rope, and 1102 is a second steel wire rope.
Detailed Description
The invention will be further explained with reference to the drawings and the detailed description below:
as shown in fig. 1 to 3, a double-lifting device of a crane comprises a reel set, a lifting beam 2 and a crane trolley, wherein the reel set comprises a first reel 101 and a second reel 102, the first reel 101 and the second reel 102 are correspondingly arranged at the upper end of the crane trolley, a first fixed pulley block 3 is arranged at the lower part of the first reel 101, a second fixed pulley block 4 is arranged at the lower part of the second reel 102, the first fixed pulley block 3 and the second fixed pulley block 4 are symmetrically arranged about a neutral line of the crane trolley, a first guide mechanism is arranged between the first reel 101 and the crane trolley, a second guide mechanism is arranged between the second reel 102 and the crane trolley, the first guide mechanism and the second guide mechanism are used for keeping balance of a double-lifting structure, a first movable pulley block 9 and a second movable pulley block 10 are correspondingly arranged on the lifting beam 2, the first movable pulley block 9 and the second movable pulley block 10 are fixedly connected with the lifting beam 2, the first winding drum 101, the second winding drum 102, the first fixed pulley block 3, the second fixed pulley block 4, the first guide mechanism, the second guide mechanism, the first movable pulley block 9 and the second movable pulley block 10 are connected through a steel wire rope.
In order to reduce the abrasion of the steel wire rope, reduce the operation resistance and avoid the knotting of the first steel wire rope 1101 and the second steel wire rope 1102, the first guide mechanism comprises a first guide pulley block 5 and a third guide pulley block 6, the first guide pulley block 5 is arranged in parallel with the hanging beam 2, the third guide pulley block 6 is arranged perpendicular to the hanging beam 2, the second guide mechanism comprises a second guide pulley block 7 and a fourth guide pulley block 8, the second guide pulley block 7 is arranged in parallel with the hanging beam 2, the fourth guide pulley block 8 is arranged perpendicular to the hanging beam 2, and the first guide pulley block 5, the third guide pulley block 6, the second guide pulley block 7 and the fourth guide pulley block 8 are fixedly connected with the frame of the crane trolley.
In order to enable the crane trolley and the hanging beam 2 to be stressed uniformly, the first guide pulley block 5 and the second guide pulley block 7 are symmetrically arranged, and the third guide pulley block 6 and the fourth guide pulley block 8 are symmetrically arranged.
In order to avoid a wrong winding direction of the wire rope, the first wire rope 1101 is wound from the first reel 101 side to the second reel 102 side, and the second wire rope 1102 is wound from the second reel 102 side to the first reel 101 side.
In this embodiment, to ensure that the double hoisting mechanisms can operate stably, the following steps are followed when winding the steel wire rope:
step 1: winding a first steel wire rope 1101 on the first winding drum 101 to be fixed, then winding one end, far away from the second winding drum 102, of the first steel wire rope 1101 around one movable pulley of the first movable pulley block 9 to be connected with one fixed pulley of the first fixed pulley block 3, and sequentially and crosswise winding the first steel wire rope 1101 on the movable pulley of the first movable pulley block 9 and the fixed pulley of the first fixed pulley block 3;
step 2: winding an outgoing line of the last movable pulley of the first movable pulley block 9 on the third guide pulley block 6, and then connecting the second guide pulley block 7, so that the first steel wire rope 1101 is fixedly connected with the second winding drum 102 through the second guide pulley block 7, and the first steel wire rope 1101 forms a closed loop;
and step 3: winding a second steel wire rope 1102 on a second winding drum 102 for fixing, then winding one end, far away from the first winding drum 101, of the second steel wire rope 1102 around a movable pulley of a second movable pulley block 10 to be connected with a fixed pulley of a second fixed pulley block 4, and sequentially and crosswise winding the second steel wire rope 1102 on the movable pulley of the second movable pulley block 10 and the fixed pulley of the second fixed pulley block 4;
and 4, step 4: and winding the outgoing line of the last movable pulley of the second movable pulley block 10 on the fourth guide pulley block 8, and then connecting the first guide pulley block 5, so that the second steel wire rope 1102 is fixedly connected with the first reel 101 through the first guide pulley block 5, and the second steel wire rope 1102 forms a closed loop.
And after the steel wire rope is wound, the crane starts to work.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.
Claims (5)
1. A double-lifting device of a crane comprises a reel set, a lifting beam (2) and a crane trolley, and is characterized in that the reel set comprises a first reel (101) and a second reel (102), the first reel (101) and the second reel (102) are correspondingly arranged at the upper end of the crane trolley, a first fixed pulley block (3) is arranged at the lower part of the first reel (101), a second fixed pulley block (4) is arranged at the lower part of the second reel (102), the first fixed pulley block (3) and the second fixed pulley block (4) are symmetrically arranged relative to the neutral line in the crane trolley, a first guide mechanism is arranged between the first reel (101) and the crane trolley, a second guide mechanism is arranged between the second reel (102) and the crane trolley, the first guide mechanism and the second guide mechanism are used for keeping balance of a double-lifting structure, a first movable pulley block (9) and a second movable pulley block (10) are correspondingly arranged on the lifting beam (2), the first movable pulley block (9) and the second movable pulley block (10) are fixedly connected with the hanging beam (2), and the first winding drum (101), the second winding drum (102), the first fixed pulley block (3), the second fixed pulley block (4), the first guide mechanism, the second guide mechanism, the first movable pulley block (9) and the second movable pulley block (10) are connected through a steel wire rope.
2. The double lifting device of a crane according to claim 1, wherein the first guiding mechanism comprises a first guiding pulley block (5) and a third guiding pulley block (6), the first guiding pulley block (5) is arranged in parallel with the lifting beam (2), the third guiding pulley block (6) is arranged perpendicular to the lifting beam (2), the second guiding mechanism comprises a second guiding pulley block (7) and a fourth guiding pulley block (8), the second guiding pulley block (7) is arranged in parallel with the lifting beam (2), the fourth guiding pulley block (8) is arranged perpendicular to the lifting beam (2), and the first guiding pulley block (5) and the third guiding pulley block (6), the second guiding pulley block (7) and the fourth guiding pulley block (8) are all fixedly connected with the frame of the crane trolley.
3. A double lifting device of a crane according to claim 2, characterized in that the first guide pulley block (5) and the second guide pulley block (7) are symmetrically arranged, and the third guide pulley block (6) and the fourth guide pulley block (8) are symmetrically arranged.
4. A crane twin hoist according to claim 1 characterised in that the wire ropes comprise a first (1101) and a second (1102) wire rope.
5. A dual hoist as claimed in claim 4, wherein the first cable (1101) is wound from the first spool (101) side to the second spool (102) side, and the second cable (1102) is wound from the second spool (102) side to the first spool (101) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921840549.6U CN211004313U (en) | 2019-10-30 | 2019-10-30 | Double-lifting device of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921840549.6U CN211004313U (en) | 2019-10-30 | 2019-10-30 | Double-lifting device of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211004313U true CN211004313U (en) | 2020-07-14 |
Family
ID=71471841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921840549.6U Expired - Fee Related CN211004313U (en) | 2019-10-30 | 2019-10-30 | Double-lifting device of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211004313U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110668338A (en) * | 2019-10-30 | 2020-01-10 | 河南省黄河防爆起重机有限公司 | A kind of crane double hoisting device and wire rope winding method |
-
2019
- 2019-10-30 CN CN201921840549.6U patent/CN211004313U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110668338A (en) * | 2019-10-30 | 2020-01-10 | 河南省黄河防爆起重机有限公司 | A kind of crane double hoisting device and wire rope winding method |
| CN110668338B (en) * | 2019-10-30 | 2025-06-17 | 河南省黄河防爆起重机有限公司 | A wire rope winding method for a double lifting device of a crane |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 |
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| CF01 | Termination of patent right due to non-payment of annual fee |