Background
The cable tower refers to a tower-shaped structure for supporting a main cable of a suspension bridge or a cable-stayed bridge, and the cable tower is a basic bearing component and an important component of the cable-stayed bridge and is not only required to bear the self weight and the weight of a main beam deck system transmitted by the stay cable, but also required to bear the vertical load and the horizontal load of the deck system. Common forms of cable towers include single-column, A-shaped, inverted Y-shaped, and the like. In order to avoid the single shape of the cable tower, designers can arrange a decorative component outside the cable tower, so that the cable tower is more unique and attractive. The cable tower is higher usually, and the construction degree of difficulty of the external decoration component of cable tower is high, and the hoist and mount risk is big. The conventional construction method at present comprises the following steps: 1. arranging a special attached type operation platform on the upper tower column, and installing a hoisting device hoisting decorative member in place; 2. and occupying another hoisting equipment hoisting operation platform, and installing the hoisting equipment hoisting decorative member in place. However, in the special cable tower structure, the space curved surface is complex, the structure size changes nonlinearly, the size of the decorative component has great difference, the installation space is narrow, and the following defects exist in the conventional installation method:
(1) the space is limited, so that the crawling ladder cannot be arranged, and the attached working platform cannot be used for transferring when the personnel are installed at the upper side and the lower side, so that redundant labor is consumed;
(2) the setting up and dismantling of the attached operating platform takes time and labor, the high-place installation and dismantling risk is huge, and the embedded parts are not easy to repair;
(3) the operation platform and the decorative component are hoisted separately, so that redundant hoisting equipment can be occupied, and certain requirements are met for the hoisting capacity of the operation platform;
(4) the size difference of the decorative components is large, the operation platform with a single size cannot meet the requirement, and the processing of the platform with the adaptive size consumes labor hour and materials.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an integration hoisting platform for construction of cable tower decoration component.
To achieve these objects and other advantages in accordance with the present invention, there is provided an integrated hoisting platform suitable for construction of cable tower decoration members, comprising a hoisting device, a truss, and work platforms respectively disposed at upper and lower portions of the truss;
the operation platform is used for constructors to construct after the cable tower decoration member is hoisted to a position to be constructed by the hoisting device, and comprises an operation flat plate which is formed by fixedly combining a plurality of chords and provided with an operation plane with a plurality of grids, wherein a panel is arranged in each grid;
the operation flat plate is arranged on the truss and can transversely slide along the horizontal direction of the truss;
the operation panel is also provided with a plurality of connecting members at equal intervals for connecting the decoration members, and the truss is also provided with a plurality of lifting lugs for connecting the lifting device.
Preferably, the outside level of one side of truss is unsettled to be provided with bears the frame, the operation is dull and stereotyped to be set up bear on the frame, bear and be provided with a plurality of stop device according to with dull and stereotyped length of operation unanimous direction, it all is including setting up bear a pair of riser of width direction both sides to and the limiting plate of setting between a pair of riser, the limiting plate with bear and form spacing space between the frame, the operation is dull and stereotyped to be restricted in spacing space.
Preferably, the two sides of the truss are also provided with crawling ladders.
Preferably, a circle of guardrails is arranged on the circumferential side edge of the top of the truss, and an operation flat plate is arranged on the top of the truss.
Preferably, the truss is provided with a plurality of cross connection members at equal intervals with respect to upper and lower portions of one side of the work platform.
Preferably, the panel is a metal lath.
Preferably, the middle part of the truss is provided with a plurality of stiffening connecting rods which are arranged in the truss along the height direction of the truss in a staggered manner.
A construction method of an integrated hoisting platform suitable for construction of cable tower decoration components is characterized by comprising the following steps:
s1, hoisting the hoisting device to the connecting side of the cable tower decoration component by using the hoisting device, and performing pre-connection;
s2, hoisting the hoisting device for the first time to test hoisting, adjusting the balance between the hoisting device and the cable tower decoration member, and then formally connecting;
s3, hoisting the hoisting device for the second time, hoisting the cable tower decoration member connected with the hoisting device to an area to be installed of the cable tower, and splicing and installing the cable tower decoration member and the cable tower;
s4, disassembling the hoisting device and the cable tower decoration component to complete the assembly of the cable tower decoration component.
Preferably, the splicing and mounting of the decoration member and the cable tower comprises the step of connecting the decoration member and the cable tower by welding through a working platform at the top of the truss and ladder stands arranged on two sides of the truss after the decoration member is close to the cable tower.
The utility model discloses at least, include following beneficial effect:
1. factor of safety is high, adopts dedicated hanging flower basket device, greatly reduced the installation operation risk of decorative board when the construction, increased installation operation efficiency, practiced thrift time limit for a project and cost.
2. The construction efficiency is high, a 'hanging and safety integrated' installation idea method is adopted, the use is convenient, the safety and the risk are low, the working time, the materials and the machinery can be saved, and the safety and the cost control of projects are facilitated.
3. Stable in structure, as whole hoist device's structural material through the truss, connection structure is firm, and the truss clearance can regard as a plurality of strong points, can effectively utilize this strong point to carry out construction operations such as personnel's support, or component placement.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
In the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-2, an integrated hoisting platform 10 for construction of cable tower decoration members comprises a hoisting device, a truss 1 and working platforms respectively arranged at the upper part and the lower part of the truss 1;
the operation platform is used for constructors to construct after the cable tower decoration component is hoisted to a position to be constructed by the hoisting device, and comprises an operation flat plate 4 which is formed by fixedly combining a plurality of chords and is provided with an operation plane with a plurality of grids, and a panel is arranged in each grid;
the operation flat plate 4 is arranged on the truss 1 and can transversely slide along the horizontal direction of the truss 1;
the operation flat plate 4 is also provided with a plurality of connecting members 7 at equal intervals for connecting the decoration members, and the truss 1 is also provided with a plurality of lifting lugs for connecting the lifting device.
In the technical scheme, the hoisting platform 10 is used for hoisting the cable tower decoration component and simultaneously providing a manual installation operation platform, so that an integrated multi-purpose functional effect is realized;
the truss 1 is used as a main structural support body, an integral rigid structure is formed by welding metal or alloy, an inclined strut is arranged in the truss 1 to enhance the stability of the truss, reserved positions for installing operation platforms are arranged at the upper part and the lower part of the truss 1, and then the two operation platforms are sequentially installed at the upper part and the lower part of the truss 1 to form a manual construction operation platform;
furthermore, a plurality of hoisting points are arranged on the truss 1 and are used for hoisting by an external hoisting device. The work platform slab is used to form a manual standing area and the work platform slab 4 can slide relative to the truss 1 to accommodate local position adjustments during the hoisting process.
In another kind of technical scheme, the outside level of one side of truss 1 is unsettled to be provided with bears frame 2, operation flat board 4 sets up bear on the frame 2, bear on the frame 2 according to with operation flat board 4 length unanimous direction is provided with a plurality of stop device, and it all is including setting up bear a pair of riser 9 of 2 width direction both sides to and set up limiting plate 8 between a pair of riser 9, limiting plate 8 with bear and form spacing space between the frame 2, operation flat board 4 is restricted in spacing space.
In above-mentioned technical scheme, the stop device on bearing frame 2 is used for forming spacingly to operation flat board 4, when needs adjustment operation flat board 4 position, opens the limiting plate 8 between a pair of riser 9 of stop device, then locks limiting plate 8 behind the dull and stereotyped 4 position of adjustment operation, prevents that operation flat board 4 from taking place to slide.
In another technical scheme, two sides of the truss 1 are also provided with crawling ladders 5.
In the above technical solution, the ladder stand 5 is used for climbing from the lower part to the upper part of the truss 1 manually.
In another technical scheme, a circle of guardrails 3 are arranged on the circumferential side edge of the top of the truss 1, and an operation flat plate 4 is arranged on the top of the truss 1.
In the above-described technical solution, the work plate 4 is used for the auxiliary installation construction of the decorative member by the hand.
In another solution, the truss 1 is provided with a plurality of cross connecting members 7 at equal distances from the upper and lower parts of one side of the work platform.
In another technical scheme, the panel is a metal expanded metal.
In the technical scheme, the metal plate net is net-shaped, and the construction working condition below can be observed through the net holes when a plane is formed.
In another technical scheme, a plurality of stiffening connecting rods 6 are arranged in the middle of the truss 1 and are arranged in the truss 1 along the height direction of the truss 1 in a staggered manner.
At above-mentioned technical scheme, be used for consolidating the inner structure of truss 1 at stiffening connecting rod 6, simultaneously, in truss 1, set up safety on the stiffening connecting rod 6 and hang the rope, safety is hung the rope and is included:
a fixed end fixed on the stiffening connecting rod 6;
the middle section is a telescopic rope body, and the telescopic length is suitable for the length of the upper part and the lower part of the truss 1;
and the free end is provided with a hook and used for hanging an external safety component of the ladder.
A construction method of an integrated hoisting platform 10 suitable for construction of cable tower decoration components comprises the following steps:
s1, hoisting the hoisting device to the connecting side of the cable tower decoration component by using the hoisting device, and performing pre-connection;
s2, hoisting the hoisting device for the first time to test hoisting, adjusting the balance between the hoisting device and the cable tower decoration member, and then formally connecting;
s3, hoisting the hoisting device for the second time, hoisting the cable tower decoration member connected with the hoisting device to an area to be installed of the cable tower, and splicing and installing the cable tower decoration member and the cable tower;
s4, disassembling the hoisting device and the cable tower decoration component to complete the assembly of the cable tower decoration component.
In another technical scheme, the splicing and mounting of the decorative member and the cable tower comprises the step of connecting the decorative member and the cable tower by welding manually through a working platform at the top of the truss 1 and the crawling ladders 5 arranged at two sides of the truss 1 after the decorative member is close to the cable tower.
The first embodiment is as follows:
(1) after the components of the hanging basket are integrally welded and assembled, the decoration components and the hanging basket are adjusted to be in a flat posture, so that gaps between the hanging basket device and the decoration plate connecting base are aligned to positions, and then the hanging basket device and the decoration components are assembled. The basket device can be assembled to the middle-length decorative member and connected by the shoulder pole beam 11.
(2) And (4) trial hoisting is carried out on the hanging basket device by utilizing hoisting equipment, and the stability of the hanging basket device frame body and the hoisting balance are checked.
(3) In order to prevent the decorative component from tilting forward after being lifted, the side bottom of the decorative component and the hanging basket device are inserted into the connecting pin 12, and the hanging basket device assembled with the decorative component is slowly hung to be in a vertical state by using lifting equipment.
(4) Lifting the hanging basket device, approaching the top of the main tower to the position close to the top of the main tower, lowering the hanging basket device at a low speed by constructors on the top of the tower to the upper part of the truss 1, lowering the decorative member and the hanging basket device to be in place in the area where the decorative member is to be installed, and welding and fixing the decorative plate and the main tower.
(5) After the decoration component is installed, the tower crane slowly rises to hook, so that the hanging basket device slightly moves relative to the decoration component, the connecting pin shaft 12 is loosened and pulled out, the connection with the decoration component is released, the hanging basket device is slowly lifted away, and the decoration component is installed.
(6) And repeating the steps to finish the installation of all the decorative components.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.