CN217106220U - Lifting device for large-scale space steel truss girder - Google Patents
Lifting device for large-scale space steel truss girder Download PDFInfo
- Publication number
- CN217106220U CN217106220U CN202220421009.XU CN202220421009U CN217106220U CN 217106220 U CN217106220 U CN 217106220U CN 202220421009 U CN202220421009 U CN 202220421009U CN 217106220 U CN217106220 U CN 217106220U
- Authority
- CN
- China
- Prior art keywords
- lifting
- fixedly connected
- lifting device
- steel truss
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Rod-Shaped Construction Members (AREA)
Abstract
The utility model discloses a lifting device of a large space steel truss girder, which comprises a stand column, a pull rod and a lifting beam, wherein the upper end of the pull rod is fixedly connected with the upper end of the stand column, and the lower end of the pull rod inclines towards the direction of a preassembly section and is fixedly connected with the preassembly section; one end of the lifting beam is fixedly connected with the upper end of the upright post, and the other end of the lifting beam horizontally extends towards the edge of the pre-installation section to form a lifting point; a lifting device is vertically fixed on the upper side of the lifting hoisting point; the lower side of the inclined strut is fixedly connected with the upper end of the inclined strut, and the left side or the right side of the inclined strut is fixedly connected with one end of the reinforcing rod; the lower end of the inclined strut inclines towards the direction of the pre-installation section and is fixedly connected with the pre-installation section; the other end of the reinforcing rod inclines towards the pre-assembly section and is fixedly connected with the pre-assembly section; the lifting equipment comprises a hydraulic lifter, a hydraulic oil pump, a lifting steel strand and a computer synchronous control device, wherein the computer synchronous control device is used for controlling the operation of the hydraulic lifter. The utility model discloses can realize the promotion of big shaped steel truss girder in the narrow space.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to hoisting device of large-scale space steel truss girder.
Background
The space structure usually has a beautiful building shape and excellent mechanical properties, and particularly the large-span space structure can span a larger space, is magnificent and brings people to the enjoyment of beauty. The general large-span space structure refers to various structures transversely spanning over a space of more than 60m, and meets the requirement that people span larger spaces for large-scale places such as airports, exhibition halls, movie theaters, stadiums and the like needing to accommodate a large number of people. With the rapid and steady growth of national economic construction and the vigorous development of infrastructure construction, the number of large-span bridges built in China is continuously increased, and the number of buildings in large-span stadiums is also continuously increased. The building models are more and more novel, the structures are more and more complex, the traditional reinforced concrete structure can not meet the requirements of structural stress and building models, and compared with the reinforced concrete structure, the steel structure has the characteristics of light dead weight, high strength, good ductility, short construction period, good anti-seismic performance, industrial production and the like, and can meet the requirements of various complex building models, so that the space large-span steel structure buildings occupy more and more in proportion in the building market. The common structural forms include a folded plate structure, a shell structure, a net frame structure, a suspension cable structure and the like. In order to fully utilize the advantages of each structure in stress, composite structures such as beam-string structures, cable dome-latticed shells, beam-string three-dimensional trusses, suspension cable-truss structures and the like are rapidly developed.
The truss has the characteristics of simple and convenient design and manufacture and large adaptive span range, so that the truss is widely applied to engineering construction. Common mounting methods include an overhead bulk mounting method, a sliding method, a strip (block) hoisting method, an integral lifting method, an integral jacking method and the like, and the methods are suitable for different engineering requirements. The traditional assembly mode of the large-sized steel truss girder is a high-altitude assembly method, and the method has high requirements on the field range and the bearing capacity and has great safety and quality risks. The difficulty of construction is big, is unfavorable for the control of safety, quality and the time limit for a project of steel construction field installation. For the project adopting integral lifting, the main construction process comprises installation, lifting and unloading, and the construction method generally needs to be provided with a structure lifting frame for auxiliary lifting. However, some main towers of cable-stayed bridges are designed to be H-shaped, the lower cross beam of a tower column is generally a prestressed concrete box-shaped beam, the upper cross beam is generally designed to be a large-sized spatial steel truss beam, and the upper cross beam is difficult to provide a sufficient construction site in construction, has no support at the lower part, is poor in hoisting condition and is difficult to adopt a conventional hoisting method; meanwhile, for some narrow large-span stadiums in construction sites or with basements and stands, the backfill amount of peripheral soil bodies is large, a large crane cannot enter the field, and the integral hoisting construction difficulty of the truss girder is very large.
SUMMERY OF THE UTILITY MODEL
For overcoming the not enough of prior art, the utility model provides a hoisting device of large-scale space steel truss girder has solved because of the unable incoming of the large-scale crane of place restriction, causes the big technical problem of the integral hoisting construction degree of difficulty of truss girder.
The utility model discloses a following technical scheme realizes:
a lifting device of a large space steel truss girder is characterized by comprising an upright column vertically arranged on a pre-installation section, wherein both sides of the upper end of the upright column are respectively provided with a pull rod and a lifting beam, and the lower end of the upright column is fixedly connected with the pre-installation section; the upper end of the pull rod is fixedly connected with the upper end of the upright post, and the lower end of the pull rod inclines towards the direction of the pre-installation section and is fixedly connected with the pre-installation section; one end of the lifting beam is fixedly connected with the upper end of the upright post, and the other end of the lifting beam horizontally extends towards the edge of the pre-installation section to form a lifting point; a lifting device is vertically fixed on the upper side of the lifting point, the lower side of the lifting point is fixedly connected with the upper end of the inclined strut, and the left side or the right side of the lifting point is fixedly connected with one end of the reinforcing rod; the lower end of the inclined strut inclines towards the direction of the pre-installation section and is fixedly connected with the pre-installation section; the other end of the reinforcing rod inclines towards the edge of the pre-installation section and is fixedly connected with the pre-installation section.
Further, the lifting device comprises a hydraulic lifter; the hydraulic oil pump is used for driving the hydraulic lifter to operate; the computer synchronous control device is used for controlling the operation of the hydraulic lifter; and one end of the steel strand is connected to a connection point of the lifting support, and the other end of the steel strand penetrates through the hydraulic lifter and is connected to a lifting point of the truss girder.
Furthermore, the hydraulic lifter is a YS-SJ-75 type and/or a YS-SJ-180 type hydraulic lifter.
Furthermore, the lifting steel strand is a high-strength low-relaxation prestressed steel strand, and the diameter of a single strand is more than or equal to 17.80 mm.
Further, the size of the pillars is 400mm 13 mm.
Further, the tie rod has a dimension of 300mm by 10 mm.
Further, the size of the lifting beam is 450mm 400mm 20 mm.
Further, the size of bracing is 300mm 10 mm.
Furthermore, an embedded part is embedded in the preassembly section, and the reinforcing rod is fixedly connected with the embedded part.
Furthermore, the upright posts, the pull rods, the lifting beams, the inclined struts and the reinforcing rods are all H-shaped steel.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the structure is simple, and the steel plate mainly consists of H-shaped steel (I-shaped steel) with enough stress strength, so that the processing is convenient, the stability is good, the reliability is high, and the cost is low; the hoisting frame is used for replacing a large crane to hoist, and the economical efficiency is good.
2. The steel truss girder has wider application range, and can be conveniently suitable for lifting narrow spaces, basements and stands in cities, or large-span stadium roofs with large backfill amount of peripheral soil bodies and large-span large-scale space steel truss girders.
3. The lifting frame is more convenient to use and convenient to move for repeated use, and after the steel truss girder is lifted, the lifting frame can be taken down and moved to other places for repeatedly lifting the steel truss girder.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a side view of a lifting device for a large space steel truss girder according to an embodiment of the present invention;
fig. 2 is a top view of a lifting device of a large space steel truss girder according to an embodiment of the present invention;
fig. 3 is a schematic view of an overall structure of a lifting device for a large space steel truss girder according to an embodiment of the present invention;
fig. 4 is a schematic view of lifting by using the lifting device according to the embodiment of the present invention;
reference numbers and corresponding part names in the drawings:
the method comprises the following steps of 1-pull rods, 2-stand columns, 3-lifting beams, 4-lifting equipment, 5-inclined struts, 6-steel strands, 7-reinforcing rods and 8-embedded parts.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, materials, or methods have not been described in detail in order to avoid obscuring the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", and the like 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, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention.
Examples
This embodiment provides a lifting device for large space steel truss girder, as shown in fig. 1 to 4,
the utility model relates to a lifting device of a large space steel truss girder, which is characterized in that the lifting device comprises a vertical column 2 vertically arranged on a preassembly section, two sides of the upper end of the vertical column 2 are respectively provided with a pull rod 1 and a lifting beam 3, and the lower end is fixedly connected with the preassembly section; the upper end of the pull rod 1 is fixedly connected with the upper end of the upright post 2, and the lower end of the pull rod inclines towards the direction of the pre-installation section and is fixedly connected with the pre-installation section; the distance between the lower end of the upright post 2 and the edge of the pre-installation section is smaller than the distance between the lower end of the upright post 2 and the fixed end of the pre-installation section of the pull rod 1; one end of the lifting beam 3 is fixedly connected with the upper end of the upright post 2, and the other end of the lifting beam horizontally extends towards the edge of the pre-installation section to form a lifting point; a lifting device 4 is vertically fixed on the upper side of the lifting point, the lower side of the lifting point is fixedly connected with the upper end of an inclined strut 5, and the left side or the right side of the lifting point is fixedly connected with one end of a reinforcing rod 7; the lower end of the inclined strut 5 inclines towards the direction of the preassembly section and is fixedly connected with the preassembly section; the other end of the reinforcing rod 7 is inclined towards the edge of the pre-assembly section and is fixedly connected with the pre-assembly section.
In some preferred embodiments, the lifting device 4 comprises a YS-SJ-75 type and/or a YS-SJ-180 type hydraulic lifter; the hydraulic oil pump is used for driving the hydraulic lifter to operate; the computer synchronous control device is used for controlling the operation of the hydraulic lifter; the steel strand 6 is used as a flexible bearing rigging, a high-strength low-relaxation prestressed steel strand is adopted, the tensile strength is 1860MPa, the diameter of a single steel strand is 17.80mm, the breaking tension is not less than 36t, one end of the steel strand 6 is connected to a connection point of a lifting support, and the other end of the steel strand penetrates through the hydraulic lifter and is connected to a lifting point of a truss girder.
In some preferred embodiments, the pillars 2 have a size of 400mm x 13mm, the tie rods 1 have a size of 300mm x 10mm, the lift beams 3 have a size of 450mm x 400mm x 20mm, and the sprags 5 have a size of 300mm x 10 mm.
In some preferred embodiments, an embedded part 8 is arranged in the pre-installation section, and one end of the reinforcing rod 7 is fixedly connected with the embedded part 8, so that the stability and the strength of the whole lifting device can be further improved.
In some preferred embodiments, the tie rods 1, the columns 2, the lifting beams 3 and the diagonal braces 5 are all H-shaped steel.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The lifting device for the large-scale space steel truss girder is characterized by comprising an upright post (2) vertically arranged on a pre-installation section, wherein both sides of the upper end of the upright post (2) are respectively provided with a pull rod (1) and a lifting beam (3), and the lower end of the upright post is fixedly connected with the pre-installation section; the upper end of the pull rod (1) is fixedly connected with the upper end of the upright post (2), and the lower end of the pull rod is inclined towards the direction of the pre-assembly section and is fixedly connected with the pre-assembly section; one end of the lifting beam (3) is fixedly connected with the upper end of the upright post (2), and the other end of the lifting beam horizontally extends towards the edge of the pre-installation section to form a lifting point; a lifting device (4) is vertically fixed on the upper side of the lifting point; the lower side is fixedly connected with the upper end of the inclined strut (5), and the left side or the right side is fixedly connected with one end of the reinforcing rod (7); the lower end of the inclined strut (5) inclines towards the direction of the pre-assembling section and is fixedly connected with the pre-assembling section; the other end of the reinforcing rod (7) inclines towards the pre-assembly section and is fixedly connected with the pre-assembly section;
the lifting device (4) comprises:
a hydraulic lifter;
the hydraulic oil pump is used for driving the hydraulic lifter to operate;
the computer synchronous control device is used for controlling the operation of the hydraulic lifter;
and one end of the lifting steel strand (6) is connected to a connection point of the lifting support, and the other end of the lifting steel strand penetrates through the hydraulic lifter and is connected to a lifting point of the truss girder.
2. The lifting device of a large space steel truss girder according to claim 1, wherein the hydraulic lifter is a YS-SJ-75 type and/or a YS-SJ-180 type hydraulic lifter.
3. The lifting device of a large space steel truss girder according to claim 1, wherein the lifting steel strands (6) are high strength low relaxation prestressed steel strands, and the diameter of each is greater than or equal to 17.80 mm.
4. A lifting device for large space steel truss girders according to claim 1, characterized in that the size of the columns (2) is 400mm x 13 mm.
5. A lifting device for large space steel truss girders according to claim 1, characterized in that the tie rods (1) have dimensions of 300mm x 10 mm.
6. A lifting device for large space steel truss girders according to claim 1, characterized in that the size of the lifting beam (3) is 450mm x 400mm x 20 mm.
7. A lifting device for large space steel truss girders according to claim 1, characterized in that the size of said diagonal bracing (5) is 300mm x 10 mm.
8. The lifting device of a large space steel truss girder according to claim 1, wherein the pre-assembled section is provided with pre-embedded parts (8), and one end of the reinforcing rod (7) is fixedly connected with the pre-embedded parts (8).
9. A lifting device of a large space steel truss girder according to claim 1, wherein the tie rods (1), the columns (2), the lifting beams (3) and the diagonal braces (5) are all H-shaped steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220421009.XU CN217106220U (en) | 2022-02-28 | 2022-02-28 | Lifting device for large-scale space steel truss girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220421009.XU CN217106220U (en) | 2022-02-28 | 2022-02-28 | Lifting device for large-scale space steel truss girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217106220U true CN217106220U (en) | 2022-08-02 |
Family
ID=82601544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220421009.XU Active CN217106220U (en) | 2022-02-28 | 2022-02-28 | Lifting device for large-scale space steel truss girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217106220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116497945A (en) * | 2023-04-18 | 2023-07-28 | 中国建筑第二工程局有限公司 | Roofing steel truss accumulated lifting reaction frame and construction method |
-
2022
- 2022-02-28 CN CN202220421009.XU patent/CN217106220U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116497945A (en) * | 2023-04-18 | 2023-07-28 | 中国建筑第二工程局有限公司 | Roofing steel truss accumulated lifting reaction frame and construction method |
| CN116497945B (en) * | 2023-04-18 | 2024-02-27 | 中国建筑第二工程局有限公司 | Roofing steel truss accumulated lifting reaction frame and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112482577B (en) | Large-span space chord supporting wheel spoke type truss structure system and construction method | |
| CN210887559U (en) | Low multi-storey steel structure residential system | |
| CN105544865A (en) | Prestressing assembly type special-shaped composed column | |
| CN217106220U (en) | Lifting device for large-scale space steel truss girder | |
| CN112695952A (en) | Building roof truss support structure and construction method | |
| CN102330470B (en) | Single-layer prestressing frame structure | |
| CN207017483U (en) | The full precast shear wall structural system of regenerative steel skeleton | |
| CN112323978A (en) | Corner structure of encorbelmenting and building structure | |
| CN114837483B (en) | High-low span portal steel frame building structure and construction process thereof | |
| CN207905104U (en) | A kind of assembled architecture truss structure | |
| CN206916942U (en) | A kind of interior is without load-bearing pillar extra space arch multi-layer construction structure | |
| CN105220609B (en) | Combined beam self-anchored suspension bridge and construction process thereof | |
| CN215253455U (en) | Assembled multidirectional swing self-resetting barrel structure system | |
| CN115680181A (en) | Material-saving and wind-resistant cable-membrane structure building and construction method thereof | |
| CN202831219U (en) | Large-span precast monolithic concrete structure | |
| CN110469126B (en) | Binding trolley for concrete reinforcing steel bars and binding construction method thereof | |
| CN214245330U (en) | Novel large-tonnage tension swing pier structure of cable-stayed bridge auxiliary pier | |
| CN210659321U (en) | Trolley structure for binding concrete reinforcing steel bars | |
| CN208763473U (en) | A kind of cooling tower | |
| CN210636293U (en) | Vertical steel arch cable-stayed bridge | |
| CN220978747U (en) | High-altitude cantilever structure formwork construction platform easy to assemble and disassemble and capable of being turned | |
| CN214089440U (en) | Large-span stiff skeleton concrete arch bridge accurate assembling construction structure | |
| CN219033527U (en) | Assembled pipe network structure | |
| CN218204890U (en) | Arc vestibule bearing structure | |
| CN217810527U (en) | Asynchronous hanging basket hoisting system with corrugated steel web self-bearing function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |