CN220223338U - Pulley steel wire rope protector for tower crane - Google Patents
Pulley steel wire rope protector for tower crane Download PDFInfo
- Publication number
- CN220223338U CN220223338U CN202321443241.4U CN202321443241U CN220223338U CN 220223338 U CN220223338 U CN 220223338U CN 202321443241 U CN202321443241 U CN 202321443241U CN 220223338 U CN220223338 U CN 220223338U
- Authority
- CN
- China
- Prior art keywords
- pulley
- wire rope
- steel wire
- tower crane
- protection frame
- 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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Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 27
- 239000010959 steel Substances 0.000 title claims abstract description 27
- 230000001012 protector Effects 0.000 title claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model relates to the technical field of crane pulley steel wire rope protection, and provides a tower crane pulley steel wire rope protection device, which comprises a crane arm beam, a pulley and an annular protection frame arranged on the outer side of the pulley in the radial direction; a plurality of reinforcing rods arranged in the axial direction of the outer side of the pulley; the reinforcing rod penetrates through the annular protection frame and is fixedly connected with the annular protection frame; the crane boom is fixedly connected with a connecting plate, and the end part of the reinforcing rod is detachably connected with the connecting plate. Aiming at the problem that the steel wire rope of the pulley of the tower crane falls off in the use process, the special protection mechanism is arranged, the annular protection frame is arranged in the radial direction of the outer side of the pulley, and the reinforcing rods are arranged in the axial direction of the outer side of the pulley, so that the steel wire rope of the pulley cannot be separated from the pulley in any direction, and the steel wire rope and the pulley are effectively protected; and the reinforcing rod is detachably connected with the crane boom, so that the crane boom is convenient to install and detach, the application range is enlarged, and the application prospect is wide.
Description
Technical Field
The utility model relates to the technical field of crane pulley steel wire rope protection, in particular to a tower crane pulley steel wire rope protection device.
Background
The tower crane is used for large-scale engineering installation operations such as construction, chemical industry and the like, the luffing mechanism is a transmission device for the tower crane to finish the horizontal movement of the load trolley, and the steel wire rope is guided by the guide wheel and then wound on a winding drum of the luffing mechanism.
At present, the length of a lifting arm of the tower crane is basically more than 50 meters, the length of a steel wire rope at the long end of the lifting arm is also more than 95 meters, an included angle is inevitably generated between the steel wire rope and a guide wheel due to the ultra-long steel wire rope, the steel wire rope gradually deviates laterally relative to the guide wheel, and the steel wire rope rubs with a pulley and even breaks away from the edge of the pulley.
Disclosure of Invention
In order to solve the problems in the background technology, the utility model provides a pulley steel wire rope protection device of a tower crane, which comprises a crane arm beam, a pulley and an annular protection frame arranged on the radial direction of the outer side of the pulley; a plurality of reinforcing rods arranged in the axial direction of the outer side of the pulley; the reinforcing rod penetrates through the annular protection frame and is fixedly connected with the annular protection frame; the crane boom is characterized in that a connecting plate is fixedly connected to the crane boom, and the end part of the reinforcing rod is detachably connected with the connecting plate.
In the preferred scheme, the annular protection frame is provided with three, sets up respectively in both sides and the middle part of pulley.
In a preferred embodiment, three reinforcing rods are provided.
In a preferred embodiment, the reinforcing rods are uniformly distributed along the circumference of the annular protective frame.
In the preferred scheme, the tip of stiffener is provided with screw thread portion, and the through-hole has been seted up to the connecting plate, screw thread portion runs through the through-hole and be equipped with screw thread portion complex fastening nut.
In a preferred embodiment, the reinforcing rod is a steel sleeve.
The beneficial effects achieved by the utility model are as follows:
aiming at the problem that the steel wire rope of the pulley of the tower crane falls off in the use process, the special protection mechanism is arranged, the annular protection frame is arranged in the radial direction of the outer side of the pulley, and the reinforcing rods are arranged in the axial direction of the outer side of the pulley, so that the steel wire rope of the pulley cannot be separated from the pulley in any direction, and the steel wire rope and the pulley are effectively protected; and the reinforcing rod is detachably connected with the crane boom, so that the crane boom is convenient to install and detach, the application range is enlarged, and the application prospect is wide.
Drawings
FIG. 1 is a top view of the overall structure of the present utility model;
fig. 2 is a front view of the overall structure of the present utility model.
Reference numerals in the drawings:
1. an annular protective frame; 2. a reinforcing rod; 21. a threaded portion; 3. a connecting plate; 4. a pulley; 5. a boom beam; 6. and (5) fastening the nut.
Detailed Description
The embodiments of the present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which the embodiments of the present utility model are shown by way of illustration only, and the utility model is not limited to the embodiments of the present utility model, but other embodiments of the present utility model will be apparent to those skilled in the art without making any inventive effort.
Referring to fig. 1-2, the pulley steel wire rope protection device of the tower crane comprises a crane arm beam 5, a pulley 4 and an annular protection frame 1 arranged on the outer side of the pulley 4 in the radial direction; a plurality of reinforcing rods 2 installed in the axial direction of the outer side of the pulley 4; the reinforcing rod 2 penetrates through the annular protection frame 1 and is fixedly connected with the annular protection frame 1; the boom beam 5 is fixedly connected with a connecting plate 3, and the end part of the reinforcing rod 2 is detachably connected with the connecting plate 3.
The annular protection frame 1 is preferably provided with three reinforcing rods 2 which are respectively arranged at the two sides and the middle part of the pulley 4 and matched with the pulley, and the reinforcing rods are uniformly distributed along the circumference of the annular protection frame 1 at 120-degree intervals. The reinforcing rod 2 is preferably a steel sleeve, the annular protection frame 1 is also preferably a steel structure, and the reinforcing rod 2 and the annular protection frame 1 are connected in a welding mode, so that the stability of the whole protection device is greatly improved.
The end of the reinforcing rod 2 is detachably connected with the connecting plate 3, and in a specific preferred mode, the end of the reinforcing rod 2 is provided with a threaded part 21, the connecting plate 3 is provided with a through hole, the threaded part 21 penetrates through the through hole and is provided with a fastening nut 6 matched with the threaded part 21, the position of the fastening nut 6 is adjusted through a metal plate hand, and the connection fastening degree of the reinforcing rod 2 and the crane boom 5 can be adjusted.
When the pulley 4 is used, the steel wire rope arranged on the pulley 4 is protected by the reinforcing rod 2 and the annular protection frame 1, and the steel wire rope cannot be separated from the pulley 4 from any direction, so that the steel wire rope and the pulley 4 are effectively protected; when not in use, the fastening nut 6 is detached from the end part of the reinforcing rod 2, the reinforcing rod 2 is separated from the through hole of the mounting plate, and the whole protection device can be detached.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. The utility model provides a tower crane pulley wire rope protector, its includes jib loading boom (5) and pulley (4), its characterized in that still includes:
an annular protection frame (1) arranged on the outer side of the pulley (4) in the radial direction;
a plurality of reinforcing rods (2) arranged in the axial direction outside the pulley (4);
the reinforcing rod (2) penetrates through the annular protection frame (1) and is fixedly connected with the annular protection frame (1);
the crane boom (5) is fixedly connected with a connecting plate (3), and the end part of the reinforcing rod (2) is detachably connected with the connecting plate (3).
2. The tower crane pulley rope guard of claim 1, wherein: the annular protection frames (1) are arranged at three sides and the middle of the pulley (4) respectively.
3. The tower crane pulley rope guard of claim 1, wherein: the reinforcing rods (2) are arranged in three.
4. A tower crane pulley rope guard according to claim 3, wherein: the reinforcing rods (2) are uniformly distributed along the circumference of the annular protection frame (1).
5. The tower crane pulley rope guard of claim 1, wherein: the end part of the reinforcing rod (2) is provided with a threaded part (21), the connecting plate (3) is provided with a through hole, and the threaded part (21) penetrates through the through hole and is provided with a fastening nut (6) matched with the threaded part (21).
6. The tower crane pulley rope guard of claim 1, wherein: the reinforcing rod (2) is a steel sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321443241.4U CN220223338U (en) | 2023-06-06 | 2023-06-06 | Pulley steel wire rope protector for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321443241.4U CN220223338U (en) | 2023-06-06 | 2023-06-06 | Pulley steel wire rope protector for tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220223338U true CN220223338U (en) | 2023-12-22 |
Family
ID=89196774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321443241.4U Active CN220223338U (en) | 2023-06-06 | 2023-06-06 | Pulley steel wire rope protector for tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220223338U (en) |
-
2023
- 2023-06-06 CN CN202321443241.4U patent/CN220223338U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |