CN221070772U - Aerial disassembly device for crane boom of tower crane - Google Patents
Aerial disassembly device for crane boom of tower crane Download PDFInfo
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- CN221070772U CN221070772U CN202322533814.9U CN202322533814U CN221070772U CN 221070772 U CN221070772 U CN 221070772U CN 202322533814 U CN202322533814 U CN 202322533814U CN 221070772 U CN221070772 U CN 221070772U
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- tower crane
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- rope
- crane
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 7
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000009194 climbing Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The application relates to the technical field of building construction equipment, and particularly discloses an aerial disintegration device for a crane boom of a tower crane, which comprises a derrick mast, an auxiliary fixing structure and a hoisting structure, wherein one end of the derrick mast is detachably connected with a load trolley of the crane boom of the tower crane, the auxiliary fixing structure comprises an auxiliary brace, one end of the auxiliary brace is detachably connected with the load trolley, and the other end of the auxiliary brace is detachably connected with the derrick mast; the lifting structure comprises a lifting rope, a lifting hook and a pulley which is detachably fixed at the other end of the derrick mast, wherein the lifting rope is detachably connected with an arm section to be detached, and a lifting steel wire rope of a crane boom of the tower crane penetrates through the pulley to be connected with the lifting hook. The utility model provides a when solving current roofing and hanging the tower crane jib loading boom that surpasss working radius and dismantle, need remove and fixed roofing and hang repeatedly, greatly increased the problem that the tower crane dismantled work load.
Description
Technical Field
The invention relates to the technical field of building construction equipment, in particular to an aerial disintegration device for a crane boom of a tower crane.
Background
With the high-speed development of society, different shapes and super high-rise buildings appear in all large, medium and small cities, when building, a tower crane is used as a vertical transport tool, the installation mode of the tower crane is inner climbing, inner attaching or outer attaching, however, when the tower crane is detached after the building is finished, the tower crane is influenced by surrounding environment factors or the installation mode of the tower crane and the like, and the condition that the tower crane is self-lowered to the ground or is detached is not allowed, so that most of inner climbing tower cranes and inner attaching tower cranes are detached in the air by adopting roof cranes.
In order to ensure that the roof crane meets the requirement of disassembling the heaviest components (such as a rotary assembly and a jacking sleeve frame) and vertically transporting the roof crane to the ground, the general roof crane is arranged at a place short of a tower crane, the length of a conventional roof crane arm is 20-35 m, when the tower crane is disassembled, the crane arm of the covered tower crane is not more than 30m, namely, when the length of a tower crane installation arm is more than 30m, the rest arm sections exceed the working radius of the roof crane, and if the roof crane is completely disassembled, the roof crane is required to be repeatedly moved and fixed, so that the disassembly workload of the tower crane is greatly increased; therefore, auxiliary tools are required to be designed to be matched with the roof crane to carry out aerial disassembly on the crane boom section.
Disclosure of utility model
Aiming at the defects of the prior art, the invention provides the aerial disassembly device for the tower crane boom, which solves the problems that when the existing roof crane is used for disassembling the tower crane boom exceeding the working radius, the roof crane needs to be repeatedly moved and fixed for many times, and the disassembly workload of the tower crane is greatly increased.
In order to solve the problems, the technical scheme adopted by the invention is that the overhead disassembling device for the crane boom of the tower crane comprises a derrick mast, an auxiliary fixing structure and a hoisting structure, wherein one end of the derrick mast is detachably connected with a load trolley of the crane boom of the tower crane, the auxiliary fixing structure comprises an auxiliary brace, one end of the auxiliary brace is detachably connected with the load trolley, and the other end of the auxiliary brace is detachably connected with the derrick mast; the lifting structure comprises a lifting rope, a lifting hook and a pulley which is detachably fixed at the other end of the derrick mast, wherein the lifting rope is detachably connected with an arm section to be detached, and a lifting steel wire rope of a crane boom of the tower crane penetrates through the pulley to be connected with the lifting hook.
The beneficial effect that this scheme produced is:
1. The derrick boom is assembled with the auxiliary fixing structure and the hoisting structure, so that the boom section of the tower crane, which exceeds the working radius of the roof crane, is disassembled and hoisted until the boom section is disassembled and assembled to the working range of the roof crane; so that the roof crane does not need to move, and complete disassembly of the crane boom can be completed by matching with the device;
2. The lifting hook is controlled to reciprocate by adopting the lifting steel wire rope of the lifting arm, and a lifting device is not required to be additionally arranged, so that the dead weight of the whole device is low, and the load added on the lifting arm by the device is small.
3. The derrick mast and one end of the auxiliary rod of the device are respectively connected with the load trolley of the crane boom, the device is moved along the disassembly direction of the crane boom by means of the load trolley, no additional installation of a moving device is needed, and the device is simple in structure and small in dead weight and is convenient to move.
Further, the auxiliary fixing structure further comprises a pulling arm rope, one end of the pulling arm rope is detachably fixed at one end of the derrick mast installation pulley, and the other end of the pulling arm rope is fixed at an undetached arm section of the tower crane boom. The boom rope is matched with the auxiliary stay bar to support the boom, so that the carrying capacity of the boom is improved, and the stability of the boom is improved.
Further, the derrick mast comprises two arm rods, and one ends of the two arm rods, which are far away from the load trolley, are rotationally connected together. By arranging two arm rods, a stable triangle is formed between the two arm rods and the load trolley, and the stability of the device is improved.
Further, the derrick mast further comprises a connecting plate, the connecting plate comprises a horizontal plate arranged along the horizontal direction, and a pulley lug plate and a pull arm rope lug plate which are perpendicular to the horizontal plate and fixedly connected with the horizontal plate respectively, wherein the pull arm rope lug plate and the pulley lug plate are arranged on the upper surface and the lower surface of the horizontal plate respectively, and the two arm rods are connected with the horizontal plate in a rotating mode respectively. The pull arm rope lug plate, the horizontal plate and the pulley lug plate are integrated, so that the device is convenient to install; and the pull arm rope lug plate and the pulley lug plate are arranged on two opposite surfaces, so that the pull force of the pull arm rope and the downward gravity of the pulley can offset one part.
Further, the transverse side surface of the pulley lug plate is perpendicular to the horizontal plate, and an included angle between the longitudinal side surface of the pulley lug plate and the horizontal plate is 45-60 degrees. Because the derrick mast is obliquely installed when in use, the longitudinal side surface of the pulley lug plate is obliquely arranged with the horizontal plate, so that the derrick mast is difficult to interfere with the horizontal plate when a lifting steel wire rope passes through the pulley after being installed.
Further, the one end that the armed lever is connected with the horizontal plate is fixed with the horizontal otic placode that sets up along the horizontal direction, the one end that the armed lever is connected with the load dolly is fixed with the load otic placode that sets up along vertical direction, the armed lever body of rod is fixed with vertical direction setting and with auxiliary lever articulated auxiliary otic placode, be fixed with the dolly otic placode along vertical direction on the load dolly. The arm rod is adjusted along the rotation of different planes by arranging the horizontal lug plates and the load lug plates of different planes.
Drawings
FIG. 1 is a schematic view of the assembly of the present utility model with a tower crane boom.
Fig. 2 is a perspective view of the gin pole.
FIG. 3 is a block diagram of the gin pole.
Fig. 4 is a bottom view of the connection plate.
Fig. 5 is a schematic diagram of the disassembly and lifting of the gin pole.
Fig. 6 is a schematic view of the boom end section shown disassembled.
Detailed Description
The following is a further detailed description of the embodiments:
Reference numerals in the drawings of the specification include: the crane boom 1, the load trolley 11, the lifting steel wire rope 12, the derrick mast 2, the arm rod 21, the load lug plate 22, the auxiliary lug plate 23, the connecting plate 24, the pulley lug plate 241, the pull arm rope lug plate 242, the horizontal plate 243, the horizontal lug plate 25, the auxiliary rod 3, the pull arm rope 4, the pulley 5, the lifting rope 6 and the lifting hook 7.
Example 1 this is shown in fig. 1 and 2: the utility model provides an aerial disintegration device for tower crane jib loading boom, includes lifter, auxiliary fixed knot structure and hoisting structure, and lifter one end is articulated fixedly with the load dolly of tower crane jib, and auxiliary fixed knot structure includes auxiliary stay, and auxiliary stay one end is articulated fixedly with the load dolly, and auxiliary stay other end is articulated with the lifter, and hoisting structure includes lifting rope, lifting hook and can dismantle the pulley of fixing the lifter other end, and the lifting rope is dismantled fixedly with waiting to dismantle the arm festival, and the lifting wire rope of tower crane jib passes the pulley and is connected with the lifting hook.
The gin pole comprises a connecting plate and two arm levers, and one ends of the two arm levers, which are far away from the load trolley, are connected together through the connecting plate in a rotating way. The one end that the armed lever is connected with the horizontal plate is fixed with the horizontal otic placode that sets up along the horizontal direction, and the armed lever has the load otic placode that sets up along vertical direction with articulated one end welding of load dolly, and the welding of armed lever body of rod middle part has the vertical direction to set up and with auxiliary lever articulated auxiliary otic placode. A plurality of trolley ear plates are welded on the load trolley along the vertical direction, and the auxiliary stay bars and the arm rods are respectively hinged with the trolley ear plates. The connecting plate includes the horizontal plate that sets up along the horizontal direction to and perpendicular to horizontal plate setting and respectively with horizontal plate fixed connection's pulley otic placode, arm-pulling rope otic placode weld respectively in the upper surface and the lower surface of horizontal plate, two armed levers rotate with the horizontal plate respectively and are connected. The pull arm rope lug plate, the horizontal plate and the pulley lug plate are integrated, so that the device is convenient to install; and the pull arm rope lug plate and the pulley lug plate are arranged on two opposite surfaces, so that the pull force of the pull arm rope and the downward gravity of the pulley can offset one part.
The auxiliary fixing structure further comprises a pull arm rope, one end of the pull arm rope is detachably fixed on a pull arm rope lug plate of the connecting plate, and the other end of the pull arm rope is detachably fixed on an undetached arm section of the tower crane boom. The boom rope is matched with the auxiliary stay bar to support the boom, so that the carrying capacity of the boom is improved, and the stability of the boom is improved.
The installation steps of the device are as follows:
Installing a roof crane at a planning position; moving the load trolley to the coverage area of the roof crane; installing a boom derrick mast crane by using a roof crane; the load trolley is moved to the position of the penultimate section of the crane arm and is firmly fixed; the boom derrick boom is hung and fixed on the boom upper chord through a boom rope; then the self-lifting steel wire rope of the tower crane passes through the pulley; the end part of the lifting steel wire rope is provided with a lifting hook and a lifting rope, the device is installed, and the overall arrangement is shown in figure 1.
The disassembly working process of the device is as follows:
Tightening the lifting steel wire rope until the lifting steel wire rope is stressed as shown in fig. 4 and 5; removing an upper chord member connecting pin shaft between adjacent arm sections of the crane boom; removing a connecting pin shaft or a bolt of a lower chord member of the crane boom; vertically hanging the arm section of the lifting arm to the ground; thus, the device can complete the disassembling work of a section of the boom arm section; moving the load trolley towards the rotation center direction of the tower crane, and fixing the load trolley to the upper section end part of the arm section to be disassembled; and disassembling each section of the crane boom section to be within the coverage range of the roof crane according to the method.
Embodiment 2 is shown in fig. 1 and 3, and is the same as embodiment 1, and the difference is that the lateral side of the pulley ear plate is perpendicular to the horizontal plate, and the included angle between the longitudinal side of the pulley ear plate and the horizontal plate is 45 ° -60 °, and the preferred angle of this embodiment is 45 °. Because the derrick mast is obliquely installed when in use, the longitudinal side surface of the pulley lug plate is obliquely arranged with the horizontal plate, so that the derrick mast is difficult to interfere with the horizontal plate when a lifting steel wire rope passes through the pulley after being installed.
The foregoing is merely exemplary embodiments of the present application, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present application, and these should also be considered as the scope of the present application, which does not affect the effect of the implementation of the present application and the utility of the patent. The protection scope of the present application is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (6)
1. An aerial disintegration device for a tower crane boom, which is characterized in that: the lifting device comprises a derrick mast, an auxiliary fixing structure and a lifting structure, wherein one end of the derrick mast is detachably connected with a load trolley of a crane boom of a tower crane, the auxiliary fixing structure comprises an auxiliary stay bar, one end of the auxiliary stay bar is detachably connected with the load trolley, and the other end of the auxiliary stay bar is detachably connected with the derrick mast; the lifting structure comprises a lifting rope, a lifting hook and a pulley which is detachably fixed at the other end of the derrick mast, wherein the lifting rope is detachably connected with an arm section to be detached, and a lifting steel wire rope of a crane boom of the tower crane penetrates through the pulley to be connected with the lifting hook.
2. An aerial disintegration apparatus for a tower crane boom according to claim 1, wherein: the auxiliary fixing structure further comprises a pulling arm rope, one end of the pulling arm rope is detachably fixed at one end of the derrick mast installation pulley, and the other end of the pulling arm rope is fixed at an undetached arm section of the tower crane boom.
3. An aerial disintegration apparatus for a tower crane boom according to claim 1, wherein: the derrick mast comprises two arm rods, and one ends of the two arm rods, which are far away from the load trolley, are rotationally connected together.
4. A device for aerial disintegration of a tower crane boom according to claim 3, wherein: the derrick mast further comprises a connecting plate, the connecting plate comprises a horizontal plate arranged along the horizontal direction, and a pulley lug plate and a pull arm rope lug plate which are perpendicular to the horizontal plate and fixedly connected with the horizontal plate respectively, wherein the pull arm rope lug plate and the pulley lug plate are arranged on the upper surface and the lower surface of the horizontal plate respectively, and the two arm rods are connected with the horizontal plate in a rotating mode respectively.
5. An aerial disintegration apparatus for a tower crane boom as claimed in claim 4, wherein: the transverse side surface of the pulley lug plate of the pulley is perpendicular to the horizontal plate, and the included angle between the longitudinal side surface of the pulley lug plate and the horizontal plate is 45-60 degrees.
6. An aerial disintegration apparatus for a tower crane boom as claimed in claim 4, wherein: the one end that the armed lever is connected with the horizontal plate is fixed with the horizontal otic placode that sets up along the horizontal direction, the one end that the armed lever is connected with the load dolly is fixed with the load otic placode that sets up along vertical direction, the armed lever body of rod is fixed with the auxiliary otic placode that vertical direction set up, be fixed with the dolly otic placode along vertical direction on the load dolly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322533814.9U CN221070772U (en) | 2023-09-18 | 2023-09-18 | Aerial disassembly device for crane boom of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322533814.9U CN221070772U (en) | 2023-09-18 | 2023-09-18 | Aerial disassembly device for crane boom of tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221070772U true CN221070772U (en) | 2024-06-04 |
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ID=91254155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322533814.9U Active CN221070772U (en) | 2023-09-18 | 2023-09-18 | Aerial disassembly device for crane boom of tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221070772U (en) |
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2023
- 2023-09-18 CN CN202322533814.9U patent/CN221070772U/en active Active
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