CN208120600U - A kind of quick provision for disengagement of large size inside-climbing tower crane - Google Patents

Abstract

The utility model proposes a quick disassembly device for a large internal climbing tower crane, comprising: a lifting arm frame; A frame, connected to the lifting arm frame; a luffing power mechanism, connected to the lifting arm through a lifting wire rope The end point of the frame, the lifting wire rope is connected to the luffing power mechanism after being supported by the A frame; the sleeve frame is connected to the boom frame and the A frame, and the overall disassembly device is installed on the inner climbing tower crane. The utility model proposes a quick dismantling device for a large internal climbing tower crane, which can complete the dismantling of the large tower crane through one installation, and after dismantling the large tower crane, it can be disassembled by itself and transported to the ground manually, which will greatly reduce the cost of dismantling the large tower crane. The cost and risk of tower crane.

Description

A quick dismantling device for a large internal climbing tower crane

technical field

The utility model belongs to the technical field of building construction machinery and equipment, and mainly relates to a quick disassembly device for a large internal climbing tower crane.

Background technique

It is very difficult to dismantle super high-rise buildings with high-altitude tower cranes: the demolition site of tower cranes is narrow, and the dismantling and vertical transportation are all carried out at high altitudes. Due to the influence of exterior decoration, long-distance hoisting and transportation are required. There are many safety hazards in the demolition of high-altitude tower cranes in super high-rise buildings: in super high-rise construction, the boom of the tower crane is suspended at a height of 100 meters, or even hundreds of meters, and it is difficult to set up safety facilities. Certainly dangerous. The high-altitude tower crane demolition cost of super high-rise buildings is high: How to reduce the cost of tower crane dismantling under the premise of ensuring safety is the focus of formulating a tower crane demolition construction plan.

Super high-rise buildings generally use internal climbing tower cranes for the hoisting construction of steel structure high-rise buildings. The internal climbing tower crane makes full use of the height of the building itself, and has high efficiency in covering the construction area of the building. It is safer to use high-rise buildings and does not occupy the construction site. It is suitable for projects with narrow sites. It does not need multiple attachments and a large number of The investment in the standard section of the tower body has relatively significant comprehensive economic benefits, especially for the construction of super high-rise buildings, it is almost an irreplaceable crane.

After the construction of the internal climbing tower crane is completed, it is on the top of high-rise and super high-rise buildings, and it is difficult to disassemble, especially the jib. Due to the needs of hoisting functions, a considerable part of the jib exceeds the height of the building. The top plane is suspended at a height of tens of meters, more than one hundred meters, or even hundreds of meters, even if it is within the vertical plane of the building, due to the reasons of building function and appearance decoration design, the super high-rise structure is complex, and the inner climbing type The high-altitude dismantling and transshipment operations of tower cranes cause certain difficulties, which is a job with complex technology and difficult construction.

At present, in construction, the dismantling of a large internal climbing tower crane requires the use of a medium-sized tower crane whose energy level is one level lower than that of the medium-sized tower crane. The self-demolition tower crane is completed, such a very cumbersome demolition process has low efficiency and high risk, and the cost is relatively high.

Utility model content

The utility model proposes a fast dismantling device for a large internal climbing tower crane, which can complete the dismantling of the large tower crane through one installation, and after dismantling the large tower crane, it can be disassembled by itself and transported to the ground manually, which will greatly reduce the cost of dismantling Costs and risks of large tower cranes.

In order to achieve the above purpose, the utility model proposes a quick disassembly device for a large internal climbing tower crane, including:

jib;

A frame, connected to the boom frame;

The luffing power mechanism is connected to the end point of the boom frame through the lifting wire rope, and the lifting wire rope is connected to the luffing power mechanism after being supported by the A frame;

The sleeve frame is connected to the boom frame and the A frame, and the integral dismantling device is installed on the inner climbing tower crane.

Further, the sleeve frame is connected to the lifting power mechanism on the ceiling of the inner climbing tower through a steel wire rope, and driven by the steel wire rope, the dismantling device is raised to a specific height.

Further, the dismantling device is provided with a temporarily fixed steel wire rope on the boom of the inner climbing tower crane, so as to maintain the structural stability of the remaining part of the boom when the boom is disassembled.

Further, the luffing power mechanism pulls the hoisting wire rope to change the angle of the jib so that it can reach an angle at which the jib can be hoisted and disassembled.

Further, the dismantling device decomposes and dismantles the boom and the tower body in sections.

Further, a hook is provided at the end point of the jib.

The utility model proposes a quick dismantling device for a large internal climbing tower crane. After adopting the dismantling device, the dismantling of a large internal climbing tower crane does not need to rely on medium-sized tower cranes, small tower cranes and other smaller self-dismantling lifting equipment, which greatly reduces the The risk and cost of equipment use saves the construction period.

Description of drawings

Fig. 1 is a schematic structural diagram of a quick disassembly device for a large internal climbing tower crane according to a preferred embodiment of the present invention.

Fig. 2 is a schematic diagram of the structure of the jib frame and the A frame.

Figures 3 to 11 are schematic diagrams of the construction process of the quick disassembly device of the large internal climbing tower crane in a preferred embodiment of the present invention.

Detailed ways

The specific embodiments of the present invention are given below in conjunction with the accompanying drawings, but the present invention is not limited to the following embodiments. According to the following description and claims, the advantages and features of the utility model will be more clear. It should be noted that all the drawings are in very simplified form and use imprecise ratios, which are only used for the purpose of conveniently and clearly assisting in describing the embodiment of the present utility model.

Please refer to Fig. 1 and Fig. 2. Fig. 1 is a schematic diagram showing the structure of a quick disassembly device for a large internal climbing tower crane according to a preferred embodiment of the present invention, and Fig. 2 is a schematic diagram showing the structure of the jib frame and A frame. The utility model proposes a quick disassembly device for a large internal climbing tower crane, comprising: a lifting arm frame 100; an A frame 200 connected to the lifting arm frame 100; a luffing power mechanism 300 connected to the At the end point of the boom frame 100, the lifting wire rope 400 is connected to the luffing power mechanism 300 after being supported by the A frame 200; the sleeve frame 500 is connected to the boom frame 100 and the A frame 200, And install the overall dismantling device on the inner climbing tower crane.

Please refer to Figs. 3 to 11 again. Figs. 3 to 11 are schematic diagrams of the construction process of the quick disassembly device of the large internal climbing tower crane according to a preferred embodiment of the present invention.

In general building construction, the internal climbing tower crane climbs to the highest height set in the construction plan, and after completing all relevant hoisting operations, it will be dismantled. In a preferred embodiment of the present invention, after the internal climbing tower crane completes all hoisting operations, the dismantling device is hoisted on the roof of the building and installed on its own tower. Please refer to FIG. 3 . FIG. 3 shows a schematic view of the removal device being installed in place.

According to a preferred embodiment of the present utility model, the sleeve frame 500 is connected to the lifting power mechanism on the ceiling of the inner climbing tower through the steel wire rope 600, and driven by the steel wire rope 600, the dismounting device is raised to a specific height, which can make the lifting arm It has enough ability to disassemble the boom of the internal climbing tower crane. Please refer to FIG. 4 , which is a schematic diagram of lifting the dismantling device to the working height.

The dismantling device is provided with a temporarily fixed steel wire rope on the boom of the internal climbing tower crane, and is used to maintain the structural stability of the remaining part of the boom when it is disassembled. Further, the luffing power mechanism pulls the hoisting wire rope to change the angle of the jib so that it can reach an angle at which the jib can be hoisted and disassembled. Please refer to Figure 5, which is a schematic diagram of removing the boom.

The dismantling device disassembles and removes the boom in sections; then removes the tower cap and the slewing mechanism; please refer to Figure 6, which is a schematic diagram of removing the last section of the boom, slewing mechanism, etc.

Then, with the help of the hoist or other small lifting equipment installed on the roof, the demolition equipment will be lowered to the height of a tower body standard section to prepare for the removal of the tower body, and the topmost section of the tower body standard section will be removed; repeat the previous step to complete The dismantling of the standard section of the tower body; please refer to Figures 7 to 10. Figure 7 shows the schematic diagram of the top structure of the internal climbing tower crane after dismantling. Shown is a schematic diagram of dismantling a standard section, and Figure 10 is a schematic diagram of the removal device lowering the height of a standard section.

After dismantling the last section of the tower on the roof of the building, the disassembly device completes the work; the disassembly device is manually disassembled section by section, and transported to the ground by freight or construction elevators. Please refer to FIG. 11 , which is a schematic diagram of the dismantled tower body. Afterwards, the disassembly device of the present invention can be disassembled by a mechanical device or a manual disassembly method to complete all disassembly work.

Further, a hook is provided at the end point of the jib.

In summary, the utility model proposes a quick dismantling device for a large internal climbing tower crane. After adopting the dismantling device, the dismantling of a large internal climbing tower crane does not require the use of medium-sized tower cranes, small tower cranes and other self-dismantling cranes of smaller levels. equipment, which greatly reduces the risk and cost of equipment use, and saves the construction period.

Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Those with ordinary knowledge in the technical field to which the utility model belongs can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the present utility model should be defined by the claims.

Claims (6)

1. a kind of quick provision for disengagement of large size inside-climbing tower crane, which is characterized in that including：

Elevator boom rack；

A frame is connected to the elevator boom rack；

Luffing power mechanism is connected to the elevator boom rack endpoint by hoist rope, and the hoist rope passes through A frame branch The luffing power mechanism is connected to after support；

Stock is connected to the elevator boom rack and A frame, and integral demounting device is installed on inside-climbing tower crane.

2. the quick provision for disengagement of large size inside-climbing tower crane according to claim 1, which is characterized in that the stock passes through steel Cord is connected to the lifting power machine structure on inside-climbing tower crane top, is driven by wirerope, provision for disengagement is made to be increased to certain height.

3. the quick provision for disengagement of large size inside-climbing tower crane according to claim 1, which is characterized in that the provision for disengagement exists In inside-climbing tower crane large arm installation be fixed temporarily wirerope, for disintegrate large arm when, keep the stable structure of its remainder.

4. the quick provision for disengagement of large size inside-climbing tower crane according to claim 1, which is characterized in that the luffing engine Structure pulls hoist rope, realizes the angle change of elevator boom rack, can reach the angle that can lift disassembly large arm Degree.

5. the quick provision for disengagement of large size inside-climbing tower crane according to claim 1, which is characterized in that the provision for disengagement point It solves and is segmented and remove large arm and tower body.

6. the quick provision for disengagement of large size inside-climbing tower crane according to claim 1, which is characterized in that the elevator boom rack Endpoint is provided with suspension hook.