CN210764025U - Multi-arm safety tower crane - Google Patents
Multi-arm safety tower crane Download PDFInfo
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- CN210764025U CN210764025U CN201921705966.XU CN201921705966U CN210764025U CN 210764025 U CN210764025 U CN 210764025U CN 201921705966 U CN201921705966 U CN 201921705966U CN 210764025 U CN210764025 U CN 210764025U
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Abstract
A multi-arm safety tower crane belongs to the technical field of building equipment. Including body of tower (2) and the driver's cabin of setting on body of tower (2), its characterized in that: the tower body (2) is sequentially provided with a lower suspension arm and an upper suspension arm from bottom to top, swing mechanisms are arranged between the lower suspension arm and the upper suspension arm as well as between the lower suspension arm and the tower body (2), lifting mechanisms are arranged on the upper suspension arm and the lower suspension arm, and luffing mechanisms are arranged between the upper suspension arm and the lower suspension arm as well as between the lifting parts of the corresponding lifting mechanisms. This last davit and the independent work of davit down of multi-arm safety tower crane can enough realize hoisting the article alone to the turned angle of two davits has been reduced, the problem of because the too big operating personnel of turned angle can't see the peripheral condition clearly has been solved, therefore, the security is high, the efficiency of lifting by crane has still been improved, when lifting by crane the longer or highly higher article of length, two davits can cooperate to lift by crane, the problem of rocking has been avoided appearing too greatly to the article, and then the rocking of tower crane has been avoided, the stability of lifting by crane has been improved.
Description
Technical Field
A multi-arm safety tower crane belongs to the technical field of building equipment.
Background
The tower crane is the most common hoisting equipment on the building site, is used for hoisting building construction raw materials such as reinforcing steel bars, wood, concrete, steel pipes, building blocks and the like, and is an essential equipment on the building site. In the high-rise building construction, the construction material is transported to the construction site from ground to the tower crane, when hoist and mount length is longer or highly great article, appears rocking very easily, leads to hoist and mount unstability, and the stability of article hoist and mount in-process is difficult to guarantee, and the tower crane also can from this and take place to rock, influences the stability of tower crane. When the tower crane works in the high altitude, in order to lift different materials, the swing angle is usually too large, and operators cannot clearly see the surrounding conditions, so that the operation is inconvenient.
In addition, the driver's cabin of tower crane is located the top of tower crane usually, and operating personnel need climb the top operation of tower crane, wastes time and energy, and the security of climbing in-process can't obtain guaranteeing.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide one kind and more stable when hoist and mount the longer or high object of height, avoid the safe tower crane of multi-arm who rocks.
The utility model provides a technical scheme that its technical problem adopted is: this multi-arm safety tower crane, including the tower body and set up the driver's cabin on the tower body, its characterized in that: the tower body is sequentially provided with a lower suspension arm and an upper suspension arm from bottom to top, swing mechanisms are arranged between the lower suspension arm and the tower body and between the upper suspension arm and the tower body, lifting mechanisms are arranged on the upper suspension arm and the lower suspension arm, and luffing mechanisms are arranged between the upper suspension arm and the lower suspension arm and the lifting parts of the corresponding lifting mechanisms.
Preferably, the cab is arranged on the lower boom.
Preferably, there is one and only one cab.
Preferably, the upper suspension arm is mounted on the tower body through an upper main shaft, the main shaft is rotatably connected with the tower body, the upper suspension arm is connected with the main shaft and synchronously rotates along with the main shaft, and the main shaft is connected with a corresponding swing mechanism.
Preferably, the lower suspension arm is installed on the tower body through an installation sleeve, the installation sleeve is rotatably sleeved on the tower body, the lower suspension arm is connected with the installation sleeve and synchronously rotates along with the installation sleeve, and the installation sleeve is connected with the corresponding swing mechanism.
Preferably, the middle or middle upper part of the tower body is provided with a vertical mounting shaft, and the mounting sleeve is rotatably sleeved on the mounting shaft.
Preferably, the length of the upper suspension arm is larger than that of the lower suspension arm.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
1. this last davit and the independent work of davit down of multi-arm safety tower crane can enough realize hoisting the article alone to the turned angle of two davits has been reduced, the problem of because the too big operating personnel of turned angle can't see the peripheral condition clearly has been solved, therefore, the security is high, the efficiency of lifting by crane has still been improved, when lifting by crane the longer or highly higher article of length, two davits can cooperate to lift by crane, the problem of rocking has been avoided appearing too greatly to the article, and then the rocking of tower crane has been avoided, the stability of lifting by crane has been improved.
2. The driver's cabin sets up under on the davit, and the driver's cabin has and only one, and operating personnel need not climb to the top of body of the tower, has reduced operating personnel's the height that climbs, has improved the security, has solved the problem that wastes time and energy that traditional tower crane exists.
3. The upper suspension arm is arranged on the tower body through the main shaft, and the main shaft can be directly connected with the tower body in a rotating mode due to the fact that the upper suspension arm is arranged on the top of the tower body, and therefore the upper suspension arm can be conveniently installed.
4. Because the lower suspension arm is arranged in the middle or the middle upper part of the tower body, the lower suspension arm is convenient to install by matching the installation shaft with the installation sleeve.
5. The length of the upper suspension arm is larger than that of the lower suspension arm, so that mutual interference between the upper suspension arm and the lower suspension arm is avoided.
Drawings
Fig. 1 is a schematic front view of a multi-arm safety tower crane.
Fig. 2 is a schematic view of the installation of the upper balance arm and the upper boom.
Fig. 3 is a schematic view of the installation of the lower balance arm and the lower boom.
In the figure: 1. the tower crane comprises a tower crane foundation 2, a tower body 3, a lower balance arm 4, a lower balance weight 5, a lower pull rope 6, a lower load-carrying trolley 7, a lower lifting hook 8, a lower lifting arm 9, an upper balance arm 10, an upper balance weight 11, an upper pull rope 12, an upper lifting arm 13, an upper load-carrying trolley 14, an upper lifting hook 15, a tower cap 16, a main shaft 17, an installation shaft 18 and an installation sleeve.
Detailed Description
Fig. 1 to 3 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 3.
A multi-arm safety tower crane comprises a tower body 2 and a cab arranged on the tower body 2, wherein a lower suspension arm and an upper suspension arm are sequentially arranged on the tower body 2 from bottom to top, swing mechanisms are arranged between the lower suspension arm and the tower body 2 and between the upper suspension arm and the tower body, lifting mechanisms are arranged on the upper suspension arm and the lower suspension arm, and luffing mechanisms are arranged between the upper suspension arm and the corresponding lifting portions of the lifting mechanisms. This last davit and the independent work of davit down of multi-arm safety tower crane can enough realize hoisting the article alone to the turned angle of two davits has been reduced, the problem of because the too big operating personnel of turned angle can't see the peripheral condition clearly has been solved, therefore, the security is high, the efficiency of lifting by crane has still been improved, when lifting by crane the longer or highly higher article of length, two davits can cooperate to lift by crane, the problem of rocking has been avoided appearing too greatly to the article, and then the rocking of tower crane has been avoided, the stability of lifting by crane has been improved.
The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.
Specifically, the method comprises the following steps: as shown in FIGS. 1 to 3: the vertical setting of body of the tower 2, body of the tower 2 is by supreme multisection that is provided with down, and detachable connects between every two sections adjacent body of the tower 2, and the downside society of body of the tower 2 has tower crane foundation 1 certainly to guaranteed body of the tower 2's installation intensity, also guaranteed that body of the tower 2 is more stable at the during operation.
The upper suspension arm and the lower suspension arm are arranged on the tower body 2 at intervals from bottom to top, the upper suspension arm is arranged at the top end of the tower body 2, and the lower suspension arm is arranged at the upper part of the tower body 2. The top of the tower body 2 is also provided with a tower cap 15.
The upper boom is mounted on the tower body 2 through a main shaft 16, the main shaft 16 is rotatably mounted on the tower body 2 through a slewing bearing (not shown in the figure), the upper part of the main shaft 16 extends out of the tower body 2, the upper boom is connected with the upper part of the main shaft 16 and rotates synchronously therewith, and the main shaft 16 is connected with a corresponding slewing mechanism (not shown in the figure).
The lower suspension arm is installed on the tower body 2 through an installation shaft 17 and an installation sleeve 18, the installation shaft 17 is arranged at the upper part of the tower body 2, the installation shaft 17 is vertically arranged, the installation sleeve 18 is rotatably sleeved outside the installation shaft 17, a slewing bearing (not shown in the figure) is arranged between the installation sleeve 18 and the installation shaft 17 or between the installation sleeve 18 and the tower body 2, the lower suspension arm is connected with the installation sleeve 18 and synchronously rotates along with the installation sleeve 18, and the installation sleeve 18 is connected with a corresponding slewing mechanism (not shown in the figure).
The slewing mechanism comprises a slewing motor and a gear transmission mechanism, the slewing motor is arranged on the tower body 2, and an output shaft of the slewing motor is connected with the main shaft 16 or the mounting sleeve 18 through the gear transmission mechanism.
The upper suspension arm comprises an upper balance arm 9 and an upper lifting arm 12, the upper balance arm 9 and the upper lifting arm 12 are symmetrically arranged on two sides of a main shaft 16, the upper balance arm 9 and the upper lifting arm 12 are horizontally arranged along the radial direction of the main shaft 16, one end of the upper balance arm 9 is fixedly connected with the main shaft 16, and the other end of the upper balance arm is provided with an upper balance weight 10. A hoisting mechanism (not shown) on the upper boom is mounted on the upper balance arm 9, and the hoisting part of the upper boom is mounted on the upper boom 12.
An upper loading trolley 13 is slidably mounted on the upper boom 12, the upper loading trolley 13 slides along the length direction of the upper boom 12, and a luffing mechanism (not shown in the figure) on the upper boom is connected with the upper loading trolley 13 and pushes the upper loading trolley 13 to translate. The lifting part of the upper boom is mounted on the upper load-carrying trolley 13.
The hoisting mechanism on the upper boom comprises an upper winch, an upper pull rope 11 and an upper lifting hook 14, fixed pulleys are arranged on a tower cap 15 and an upper load-carrying trolley 13, the upper winch is arranged on the upper side of one end of the upper balance arm 9 far away from a main shaft 16, one end of the upper pull rope 11 is connected with the upper winch, the other end of the upper pull rope is connected with the upper lifting hook 14 after sequentially bypassing the fixed pulley at the upper end of the tower cap 15 and the fixed pulley on the upper load-carrying trolley 13, and the upper lifting hook 14 is arranged on the lower side of the upper load-carrying.
The lower suspension arm comprises a lower balance arm 3 and a lower crane boom 8, the lower balance arm 3 and the lower crane boom 8 are symmetrically arranged on two sides of the mounting sleeve 18, the lower balance arm 3 and the lower crane boom 8 are horizontally arranged along the radial direction of the mounting sleeve 18, one end of the lower balance arm 3 is fixedly connected with the mounting sleeve 18, and the other end of the lower balance arm is provided with a lower balance weight 4. A hoisting mechanism (not shown) on the lower boom is mounted on the lower boom 3, and a hoisting part of the lower boom is mounted on the lower boom 8.
The lower cargo boom 8 is provided with a lower load trolley 6 in a sliding way, the lower load trolley 6 slides along the length direction of the lower cargo boom 8, and a luffing mechanism (not shown in the figure) on the lower suspension arm is connected with the lower load trolley 6 and pushes the lower load trolley to move horizontally. The lifting part of the lower suspension arm is arranged on the lower weighing trolley 6.
The hoisting mechanism on the lower suspension arm comprises a lower winch, a lower pull rope 5 and a lower lifting hook 7, fixed pulleys are arranged on the upper portion of one end, close to the mounting sleeve 18, of the lower crane arm 8 and on the lower load-carrying trolley 6, the lower winch is mounted on the upper side of one end, far away from the mounting sleeve 18, of the lower balance arm 3, one end of the lower pull rope 5 is connected with the lower winch, the other end of the lower pull rope sequentially bypasses the fixed pulleys on the upper side of the lower crane arm 8 and the fixed pulleys on the lower load-carrying trolley 6 and then is connected with the lower lifting hook 7, and the lower lifting hook 7 is.
The amplitude variation mechanism comprises a winch and an amplitude variation pull rope, and the winch is connected with the upper load-carrying trolley 13 or the lower load-carrying trolley 6 through the amplitude variation pull rope and drives the upper load-carrying trolley or the lower load-carrying trolley to move horizontally.
The length of the upper boom 12 is greater than the length of the lower boom 8 so as to avoid interference between the upper boom 12 and the lower boom 8. The driver's cabin sets up on lower davit to need not operating personnel to climb to the top of body of the tower 2, and operating personnel can control two davits convenient operation simultaneously in the driver's cabin. The upper suspension arm and the lower suspension arm are both provided with limit switches for limiting the rotating angle, so that the work of the upper suspension arm and the lower suspension arm is prevented from being interfered with each other.
The upper and lower booms are both provided with a camera, the upper lifting hook 14 can be monitored through the camera on the upper boom, and the lower lifting hook 7 can be monitored through the camera on the lower boom, so that the work of the two lifting hooks can be monitored in real time.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a multi-arm safe tower crane, includes body of the tower (2) and sets up the driver's cabin on body of the tower (2), its characterized in that: the tower body (2) is sequentially provided with a lower suspension arm and an upper suspension arm from bottom to top, swing mechanisms are arranged between the lower suspension arm and the upper suspension arm as well as between the lower suspension arm and the tower body (2), lifting mechanisms are arranged on the upper suspension arm and the lower suspension arm, and luffing mechanisms are arranged between the upper suspension arm and the lower suspension arm as well as between the lifting parts of the corresponding lifting mechanisms.
2. The multi-arm safety tower crane of claim 1, wherein: the cab is arranged on the lower suspension arm.
3. The multi-arm safety tower crane according to claim 1 or 2, wherein: there is one and only one cab.
4. The multi-arm safety tower crane of claim 1, wherein: the upper suspension arm is arranged on the tower body (2) through an upper main shaft (16), the main shaft (16) is rotatably connected with the tower body (2), the upper suspension arm is connected with the main shaft (16) and synchronously rotates along with the main shaft, and the main shaft (16) is connected with a corresponding swing mechanism.
5. The multi-arm safety tower crane of claim 1, wherein: the lower suspension arm is installed on the tower body (2) through an installation sleeve (18), the installation sleeve (18) is rotatably sleeved on the tower body (2), the lower suspension arm is connected with the installation sleeve (18) and synchronously rotates along with the installation sleeve, and the installation sleeve (18) is connected with a corresponding slewing mechanism.
6. The multi-arm safety tower crane of claim 5, wherein: the middle or middle upper part of the tower body (2) is provided with a vertical mounting shaft (17), and a mounting sleeve (18) is rotatably sleeved on the mounting shaft (17).
7. The multi-arm safety tower crane of claim 1, wherein: the length of the upper suspension arm is larger than that of the lower suspension arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921705966.XU CN210764025U (en) | 2019-10-12 | 2019-10-12 | Multi-arm safety tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921705966.XU CN210764025U (en) | 2019-10-12 | 2019-10-12 | Multi-arm safety tower crane |
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| Publication Number | Publication Date |
|---|---|
| CN210764025U true CN210764025U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921705966.XU Active CN210764025U (en) | 2019-10-12 | 2019-10-12 | Multi-arm safety tower crane |
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| CN (1) | CN210764025U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824957A (en) * | 2020-06-24 | 2020-10-27 | 山东富友慧明测控设备有限公司 | Control system and control method of multi-layer multi-arm tower crane |
| CN112678696A (en) * | 2020-12-18 | 2021-04-20 | 重庆市合川区昌友机械制造有限责任公司 | Hoisting device for fan gear machining machine tool |
| CN113548589A (en) * | 2021-07-19 | 2021-10-26 | 中国十九冶集团有限公司 | Hoisting method for high-rise building construction |
-
2019
- 2019-10-12 CN CN201921705966.XU patent/CN210764025U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824957A (en) * | 2020-06-24 | 2020-10-27 | 山东富友慧明测控设备有限公司 | Control system and control method of multi-layer multi-arm tower crane |
| CN112678696A (en) * | 2020-12-18 | 2021-04-20 | 重庆市合川区昌友机械制造有限责任公司 | Hoisting device for fan gear machining machine tool |
| CN113548589A (en) * | 2021-07-19 | 2021-10-26 | 中国十九冶集团有限公司 | Hoisting method for high-rise building construction |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200811 Address after: Room 601, unit 3, building 12, Yinling Shijia living area, Qingcheng Road, Gaoqing County, Zibo City, Shandong Province Patentee after: Liu Chengeng Address before: 256300 swimming pool of private economic Park, Gaoqing County, Zibo City, Shandong Province Patentee before: Wang Yongzheng |