Supporting system for tree column structure installation
Technical Field
The invention relates to the technical field of steel structure construction, in particular to a support system for mounting a tree column structure.
Background
With the continuous application of steel structures in the field of building engineering in China, the pipe truss structure system is increasingly applied, and the combined system of the tree-shaped support and the inverted triangle truss structure is widely applied due to the simple structure, high overall strength and strong structural modeling plasticity.
When the inverted triangle pipe truss with the tree structure is installed, the conventional method adopts temporary support high-altitude installation or ground assembly integral hoisting, and the two methods have higher construction difficulty and high construction cost. If the split hoisting method is adopted, the problems of easy overturning, local deformation and the like are caused because the stability of the truss section hoisted in advance is poor.
Disclosure of Invention
The invention aims to provide a support system for mounting a tree column structure, which can conveniently slide between two adjacent tree columns and reduce the difficulty of overhead lifting.
The technical scheme includes that the support system for mounting the tree-shaped column structure comprises a main body truss, sliding devices and fixing devices, wherein the main body truss is erected on the two tree-shaped columns, the sliding devices are arranged on at least two adjacent tree-shaped columns, the main body truss is abutted to the sliding devices and connected to the sliding devices in a sliding mode, the fixing devices are arranged on one side of the main body truss, one ends of the fixing devices are fixed on the main body truss, and the other ends of the fixing devices are fixed on crotch bars of the tree-shaped columns.
Further, the main body truss is of an inverted triangle truss structure.
Further, the sliding device comprises a base and a pulley, wherein the base is fixed on the tree column, and the pulley is convexly arranged on the base and is rotationally connected with the base.
Further, a groove is formed in the side face of the pulley, the pulley is arranged around the groove in a surrounding mode, and the lower chord steel pipe of the main body truss is embedded into the groove.
Further, the fixing device comprises a connecting rod and a fixing sleeve which are connected, the end part of the connecting rod is connected with the main truss, and the fixing sleeve is sleeved on a crotch rod of the tree column and is suitable for adjusting the diameter.
Further, the fixing sleeve comprises an arc-shaped first buckling part and an arc-shaped second buckling part, and the first buckling part and the second buckling part are connected through a fastener.
Further, the end part of the connecting rod is hinged to the main body truss, and the connecting rod is fixedly connected with the fixing sleeve.
Further, the end part of the connecting rod is fixed on the main body truss, and the connecting rod is hinged with the fixing sleeve.
Further, a support frame is provided on the main body truss and adapted to slide on the main body truss.
Further, the support frame comprises a mounting seat and a support table, wherein the support table is fixed on the mounting seat, and the mounting seat is erected on the upper chord steel pipe of the main body truss and is suitable for sliding.
The invention has the beneficial effects that:
1. Before the main body truss is lifted, the sliding device is firmly placed on the tree columns, the main body truss is lifted and placed on two adjacent tree columns, the position of the main body truss can be adjusted through sliding of the sliding device, and the main body truss is fixed through the fixing device. After the main body truss is fixed, the connecting truss can be hoisted, the connecting truss section is temporarily placed on the supporting system, workers can operate and construct on the main body truss, and the connecting truss is welded to a crotch rod of the tree column. After the connection truss is fixed, the fixing device is loosened, the main body truss is slipped to the top of the next tree-shaped column, the position of the main body truss is adjusted, the main body truss is fixed on a crotch rod of a new tree-shaped column through the fixing device, and the installation of the rest connection truss sections is sequentially completed in the mode. By adopting the support system, the stable installation of the tree column structure can be realized, and the problems of overturning, local deformation and the like in the installation process can be effectively avoided.
2. The sliding device comprises a base and a pulley, the base is fixed on the tree column, and the pulley is convexly arranged on the base and is rotationally connected with the base. The side of pulley is provided with the recess, and the pulley week is established to the recess ring, and the lower chord steel pipe of main part truss imbeds in the recess. Through set up the recess on the pulley, can inject the mounted position of main part truss, make it keep good levelness, can drive the main part truss and slide along the established direction again after rotating the pulley simultaneously.
3. The fixed sleeve comprises an arc-shaped first buckling part and an arc-shaped second buckling part, and the first buckling part is connected with the second buckling part through a fastener. By adopting the structure, the diameter of the fixed sleeve can be adjusted, so that the fixed sleeve can be sleeved on crotch rods with different sizes, and the applicability of the fixed sleeve is improved.
4. The support system further comprises a support frame arranged on the main body truss and suitable for sliding on the main body truss. Before the main body truss is lifted, the sliding device is firmly placed on the tree column. And then the main body truss is hoisted and placed on two adjacent tree columns, the position of the main body truss can be slidably adjusted through the sliding device, and then the main body truss is fixed through the fixing device. At the moment, the support frame is slid, the horizontal position of the support frame is adjusted to be at a proper position, then the connecting truss section is hoisted, the connecting truss section is temporarily fixed on the support frame, and the connecting truss section is reliably connected to a crotch rod of the tree column. After the connection truss is fixed, the fixing device is loosened, the main body truss is slipped to the top of the next tree-shaped column, the position of the main body truss is adjusted, the main body truss is fixed on a crotch rod of a new tree-shaped column through the fixing device, and the installation of the rest connection truss sections is sequentially completed in the mode.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an installation position of a support system according to an embodiment of the present invention;
FIG. 2 is another schematic view of the mounting position of the support system according to the embodiment of the present invention;
FIG. 3 is a schematic view of the overall structure of a support system according to an embodiment of the present invention;
fig. 4 is a schematic diagram of the overall structure of a sliding device used in the support system according to the embodiment of the present invention;
FIG. 5 is a schematic view of the overall structure of a fixing device used in the support system according to the embodiment of the present invention;
FIG. 6 is a schematic diagram of the overall structure of a fixing device used in the support system according to the embodiment of the present invention;
FIG. 7 is a schematic view of the overall structure of another embodiment of a fixing device used in the support system according to the embodiment of the present invention;
Fig. 8 is a schematic diagram of the overall structure of a support frame used in the support system according to the embodiment of the present invention;
fig. 9 is a schematic partial structure of a support frame used in the support system according to the embodiment of the present invention.
Reference numerals illustrate:
1. The main body truss comprises a main body truss body, a sliding device, a base, a pulley, a groove, a fixing device, a connecting rod, a fixing sleeve, a supporting frame, a mounting seat, a supporting table and a tree column.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Referring to fig. 1 and 2, as a support system for installing a tree column structure provided by the embodiment of the invention, the support system is suitable for being erected between two tree columns 5, and comprises a main body truss 1, sliding devices 2 and fixing devices 3, wherein the main body truss 1 is erected on the two tree columns 5, the sliding devices 2 are at least two, one sliding device 2 is arranged on each adjacent tree column 5, the main body truss 1 is abutted against the sliding device 2 and is connected with the sliding device 2 in a sliding manner, and the fixing devices 3 are arranged on one side of the main body truss 1, one end of each fixing device is fixed on the main body truss 1, and the other end of each fixing device is fixed on a crotch rod of the tree column 5.
Before the main body truss 1 is lifted, the sliding device 2 is firmly placed on the tree columns 5, the main body truss 1 is lifted and placed on two adjacent tree columns 5, the position of the main body truss 1 can be slidingly adjusted through the sliding device 2, and the main body truss 1 is fixed through the fixing device 3. After the main body truss 1 is fixed, the connecting truss can be hoisted, the connecting truss section is temporarily placed on the supporting system, workers can operate and construct on the main body truss 1, and the connecting truss is welded to the crotch bars of the tree columns 5. After the connection truss is fixed, the fixing device 3 is loosened, the main truss 1 is slipped to the top of the next tree column 5, the position of the main truss 1 is adjusted, the main truss 1 is fixed on the crotch bar of the new tree column 5 through the fixing device 3, and the installation of the rest connection truss sections is sequentially completed in the mode. By adopting the support system, the stable installation of the tree-shaped column 5 structure can be realized, and the problems of overturning, local deformation and the like in the installation process can be effectively avoided.
Specifically, referring to fig. 3 and 4, the main truss 1 has an inverted triangle truss structure, which should have high rigidity, and the length thereof can be determined according to the distance between two adjacent tree columns 5 plus a sufficient supporting space. The triangular truss has good stability and is not easy to deform. The sliding device 2 comprises a base 21 and a pulley 22, wherein the base 21 is fixed on the tree column 5, and the pulley 22 is convexly arranged on the base 21 and is rotatably connected with the base 21. The side of the pulley 22 is provided with a groove 221, the groove 221 is looped around the pulley 22, and the lower chord steel pipe of the main truss 1 is embedded into the groove 221. By providing the grooves 221 on the pulleys 22, the installation position of the main truss 1 can be limited, so that the main truss 1 can keep good levelness, and meanwhile, the main truss 1 can be driven to slide along a preset direction after the pulleys 22 are rotated. The upper groove 221 of the pulley 22 is sized to flexibly accommodate the lower chord steel pipe of the main truss 1, and the pulley 22 and its sliding shaft should be able to bear all the vertical load carried by the main truss 1.
Further, the fixing device 3 comprises a connecting rod 31 and a fixing sleeve 32 which are connected, the end part of the connecting rod 31 is connected with the main truss 1, and the fixing sleeve 32 is sleeved on the crotch rod of the tree column 5 and is suitable for adjusting the diameter.
Specifically, referring to fig. 5 and 6, the ends of the connection rods 31 are hinged to the main body truss 1, and the connection rods 31 are fixedly connected to the fixing sleeves 32. The fixing sleeve 32 includes an arc-shaped first fastening part and an arc-shaped second fastening part, and the first fastening part and the second fastening part are connected by a fastener. By adopting the structure, the position angle and the diameter of the fixed sleeve 32 can be adjusted, so that the fixed sleeve 32 can be sleeved on crotch bars with different sizes, and the applicability of the fixed sleeve 32 is improved. The fixing device 3 is designed to be adjustable due to different branch specifications and angles of different tree columns 5. The fixing devices 3 are at least four groups, each group is two, and the two fixing devices 3 are symmetrically arranged on two sides of the upper chord steel pipe of the main truss 1.
As a variant, referring to fig. 7, it is also possible that the ends of the connecting rods 31 are fixed to the main truss 1, and the connecting rods 31 are hinged to the fixing sleeves 32. This structure can also satisfy the positional angle adjustment of the fixing sleeve 32.
Further, the support system further comprises a support frame 4, which support frame 4 is arranged on the main body truss 1 and adapted to slide on the main body truss 1.
Specifically, referring to fig. 8 and 9, the support frame 4 includes a mount 41 and a support table 42, the support table 42 is fixed on the mount 41, and the mount 41 is erected on the upper chord steel pipe of the main body truss 1 and is adapted to slide. The mount 41 after sliding may be fixed to the main body truss 1 by a fastener such as a bolt. When the connecting truss section is hoisted, the connecting truss section can be temporarily fixed on the supporting frame 4, and the supporting frame 4 plays a role in temporary supporting.
The supporting system in this embodiment is used by arranging the sliding device 2 on the tree column 5, adjusting the position, then lifting the main truss 1, placing the lower chord tube of the main truss 1 on the groove 221 of the pulley 22 of the sliding device 2, adjusting the levelness of the main truss 1, and then adjusting the fixing device 3 to fix the main truss 1 on the tree column 5. And then the position and the height of the supporting frame 4 are determined according to the actual condition of the installed inverted triangle connecting truss section, after all the above steps are completed, the connecting truss section can be hoisted, the position and the precision of the connecting truss section are well regulated, and the two upper chords of the connecting truss section are temporarily erected on the crotch bars of the tree columns 5, so that the stability of the connecting truss section is ensured. At this time, welding connection construction between the connection truss section and the tree column 5 can be performed. After the construction is completed, the fixing device 3 is loosened, the main body truss 1 is slipped to the top of the next tree column 5, the position of the main body truss 1 is adjusted, the main body truss 1 is fixed on the crotch rod of the new tree column 5 through the fixing device 3, and the installation of the rest connecting truss sections is completed in sequence in the mode.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered by the scope of the present invention.