CN218754685U - Crane with telescopic and pitching boom - Google Patents
Crane with telescopic and pitching boom Download PDFInfo
- Publication number
- CN218754685U CN218754685U CN202223156801.6U CN202223156801U CN218754685U CN 218754685 U CN218754685 U CN 218754685U CN 202223156801 U CN202223156801 U CN 202223156801U CN 218754685 U CN218754685 U CN 218754685U
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- crane
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- wire rope
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Abstract
A crane with a telescopic boom comprises a tower body, a rotary table arranged at the top of the tower body, the telescopic boom arranged on the rotary table, an angle adjusting structure arranged on the rotary table and used for adjusting the pitching angle of the boom, and a lifting mechanism arranged on the boom; the lifting mechanism comprises a steel wire rope reel, a steel wire rope, a guide wheel and a lifting hook arranged at the tail end of the steel wire rope, the steel wire rope reel is installed on the rotary table, the guide wheel is arranged at the extending end of the crane boom, the steel wire rope extends out of the steel wire rope reel and sequentially passes through the steel wire rope reel, and the crane boom is close to the guide wheel at one side of the rotary table and the guide wheel at the extending end of the crane boom and hangs downwards. By adopting the scheme, the requirements of hoisting objects at large depth and covering large areas can be met simultaneously.
Description
Technical Field
The utility model belongs to the technical field of tower crane technique and specifically relates to a hoist of scalable every single move of jib loading boom.
Background
At present, a self-elevating tower crane which is rotated upwards to lift and is connected with a joint to be high is widely used on the building site. Along with the development of the technology, the application field is continuously increased, the requirement construction period of a large building is shorter and shorter, the working condition working environment is denser and narrower, the adaptability to the working environment of the tower crane is improved, and the requirement of normal and safe working under the dense and narrow working environment can be met.
The trolley amplitude-variable horizontal jib tower crane changes amplitude position by moving an amplitude-variable trolley along a horizontal jib, and controls the position of a lifting hook by the convolution of the jib and the far and near movement amplitude of the trolley. Is not favorable for being concentrated narrow space usage.
The second type: every single move becomes width of cloth jib crane tower machine. It is luffed by changing the elevation angle of the boom. The working pitch angle of the tower crane is generally between 15 and 85 degrees, and the heave angle of the crane boom is large, so that the crane boom has the defects of long installation length, inflexible installation and length change according to requirements, and the crane boom is easy to overturn at a super-elevation angle or due to the action of wind force when working at the elevation angle in a critical state, thereby causing major accidents.
Therefore, improvements are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hoist of scalable every single move of jib loading boom can satisfy the big depth simultaneously and lift by crane the object and by a wide margin the demand that the region covered. In order to achieve the above purpose, the utility model adopts the following technical scheme:
a crane with a telescopic boom comprises a tower body, a rotary table arranged at the top of the tower body, the telescopic boom arranged on the rotary table, an angle adjusting structure arranged on the rotary table and used for adjusting the pitching angle of the boom, and a lifting mechanism arranged on the boom; the lifting mechanism comprises a steel wire rope reel, a steel wire rope, a guide wheel and a lifting hook arranged at the tail end of the steel wire rope, the steel wire rope reel is installed on the rotary table, the guide wheel is arranged at the extending end of the crane boom, the steel wire rope extends out of the steel wire rope reel and sequentially passes through the steel wire rope reel, and the crane boom is close to the guide wheel at one side of the rotary table and the guide wheel at the extending end of the crane boom and hangs downwards.
Furthermore, the rotary table comprises an upper rotary support and a lower rotary support, the lower rotary support is fixed at the top of the tower body, and the crane boom and the angle adjusting mechanism are arranged on the upper rotary support.
Furthermore, the angle adjusting mechanism is a hydraulic jacking cylinder, one end of the hydraulic jacking cylinder is hinged to the upper rotary support, the other end of the hydraulic jacking cylinder is hinged to the lower surface of the cargo boom, one end of the cargo boom is hinged to the rotary table, and the other end of the cargo boom droops to form a lifting hook of the lifting mechanism.
Furthermore, the steel wire rope winding drum further comprises a balance arm, wherein the balance arm is installed on the upper rotating support, and the steel wire rope winding drum is installed on the balance arm.
Furthermore, the balance arm is provided with an installation lug, and the end part of the crane arm is hinged with the installation lug.
Furthermore, the crane boom comprises a plurality of sections of boom sections, and the crane boom is telescopically adjusted through a hydraulic driving mechanism.
Further, the tower body comprises a plurality of standard joints, and a sleeve frame is arranged on the tower body.
By adopting the technical scheme, the crane boom can adjust the length through extension and retraction, and can adjust the pitch angle, so that the crane boom can be combined and changed together to meet the change of different working ranges, the large elevation angle of the crane boom is equivalent to increase the height of a tower body, the working range of the crane boom is almost a hemispherical space taking the length of the crane boom as the radius, the working range of the tower crane is greatly widened, a hoisting mechanism using a steel wire rope can meet the requirements of high-speed, high-efficiency and large-depth hoisting of objects, the working efficiency can be effectively improved, the tower crane has higher utilization rate and adaptability due to new combination, and the crane can better contribute to city construction.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is an enlarged schematic view of a point a in fig. 1.
Fig. 3 is a schematic view of the boom in an extended state.
Fig. 4 is a schematic view of the boom in a high elevation position.
Detailed Description
The present invention will be described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 4, a crane with a boom capable of telescoping and pitching comprises a tower body 1, a rotary table arranged at the top of the tower body 1, a telescoping boom 2 arranged on the rotary table, a balance arm 3 arranged on the rotary table, a counterweight arranged on the balance arm 3, an angle adjusting structure arranged on the rotary table for adjusting the pitching angle of the boom 2, and a lifting mechanism arranged on the boom 2.
The tower body 1 comprises a plurality of standard sections, a sleeve frame 4 is arranged on the tower body 1, the rotary table comprises an upper rotary support 5 and a lower rotary support 6, the lower rotary support 6 is fixed at the top of the tower body 1, and the crane boom 2, the balance arm 3 and the angle adjusting mechanism are arranged on the upper rotary support 5.
The crane boom 2 comprises a plurality of sections of boom sections, and the crane boom 2 is telescopically adjusted through a hydraulic driving mechanism.
The angle adjusting mechanism is a hydraulic jacking cylinder 7, one end of the hydraulic jacking cylinder 7 is hinged with the upper rotary support 5, the other end of the hydraulic jacking cylinder 7 is hinged with the lower surface of the crane boom 2, one end of the crane boom 2 is hinged on the upper rotary support 5, and the other end of the crane boom 2 droops to form a lifting hook 8 of the lifting mechanism.
The lifting mechanism comprises a steel wire rope reel 9, a steel wire rope 10, a guide wheel 11 and a lifting hook 8 arranged at the tail end of the steel wire rope 10, the steel wire rope reel 9 is arranged on the balance arm 3, an installation lug 12 is arranged on the balance arm 3, the end part of the crane boom 2 is hinged with the installation lug 12, the guide wheel 11 is arranged at one side of the crane boom 2 close to the rotary table and at the extending end of the crane boom 2, the steel wire rope 10 extends from the steel wire rope reel 9 and sequentially passes through, and the guide wheel 11 at one side of the crane boom 2 close to the rotary table and the guide wheel 11 at the extending end of the crane boom 2 hang downwards.
By adopting the technical scheme, the crane boom 2 can adjust the length through stretching and retracting, and can adjust the pitch angle, so that the change of different working ranges can be met through combined change, the large elevation angle of the crane boom 2 is equivalent to the increase of the height of the tower body 1, the working range of the crane boom almost adopts a hemispherical space with the length of the crane boom as the radius, the working range of the tower crane is greatly widened, a hoisting mechanism using the steel wire rope 10 can meet the requirement of hoisting objects at high speed, high efficiency and large depth, the working efficiency can be effectively improved, the telescopic crane boom 2 is adopted, and compared with the crane boom 2 with fixed length, the crane boom 2 can be prevented from working at large elevation angle under the state of extreme length as much as possible, the risk of major accidents caused by overturning at an over-elevation angle or overturning due to the action of wind force is reduced, the new combination endows the tower crane with higher utilization rate and adaptability, and can better contribute to city construction.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, which may be modified, combined, and varied by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. A crane with a boom capable of telescoping and pitching is characterized in that: the lifting mechanism comprises a tower body, a rotary table arranged at the top of the tower body, a telescopic crane boom arranged on the rotary table, an angle adjusting structure arranged on the rotary table and used for adjusting the pitching angle of the crane boom, and a lifting mechanism arranged on the crane boom;
the lifting mechanism comprises a steel wire rope reel, a steel wire rope, a guide wheel and a lifting hook arranged at the tail end of the steel wire rope, the steel wire rope reel is arranged on the rotary table, the guide wheel is arranged at the extending end of the crane boom, the steel wire rope extends out of the steel wire rope reel and sequentially passes through the steel wire rope reel, and the crane boom is close to the guide wheel at one side of the rotary table and the guide wheel at the extending end of the crane boom and hangs downwards.
2. The boom telescopically tiltable crane of claim 1, wherein: the rotary table comprises an upper rotary support and a lower rotary support, the lower rotary support is fixed to the top of the tower body, and the crane boom and the angle adjusting mechanism are arranged on the upper rotary support.
3. A boom telescopically tiltable crane according to claim 2, characterized in that: the angle adjusting mechanism is a hydraulic jacking cylinder, one end of the hydraulic jacking cylinder is hinged to the upper rotary support, the other end of the hydraulic jacking cylinder is hinged to the lower surface of the crane boom, one end of the crane boom is hinged to the rotary table, and the other end of the crane boom droops to form a lifting hook of the lifting mechanism.
4. A boom telescopically tiltable crane according to claim 3, characterized in that: the steel wire rope winding drum is characterized by further comprising a balance arm, wherein the balance arm is installed on the upper slewing bearing, and the steel wire rope winding drum is installed on the balance arm.
5. A crane with telescopic boom for lifting according to claim 4, characterized in that: the balance arm is provided with an installation lug, and the end part of the crane boom is hinged with the installation lug.
6. The boom telescopically tiltable crane of claim 1, wherein: the crane boom comprises a plurality of sections of boom sections, and the crane boom is telescopically adjusted through a hydraulic driving mechanism.
7. The boom telescopically tiltable crane of claim 1, wherein: the tower body comprises a plurality of standard joints, and a sleeve frame is arranged on the tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223156801.6U CN218754685U (en) | 2022-11-28 | 2022-11-28 | Crane with telescopic and pitching boom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223156801.6U CN218754685U (en) | 2022-11-28 | 2022-11-28 | Crane with telescopic and pitching boom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218754685U true CN218754685U (en) | 2023-03-28 |
Family
ID=85676379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223156801.6U Active CN218754685U (en) | 2022-11-28 | 2022-11-28 | Crane with telescopic and pitching boom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218754685U (en) |
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2022
- 2022-11-28 CN CN202223156801.6U patent/CN218754685U/en active Active
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