CN111977512A - Vertical upset hoisting structure of steel arch tower - Google Patents
Vertical upset hoisting structure of steel arch tower Download PDFInfo
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- CN111977512A CN111977512A CN202010687937.6A CN202010687937A CN111977512A CN 111977512 A CN111977512 A CN 111977512A CN 202010687937 A CN202010687937 A CN 202010687937A CN 111977512 A CN111977512 A CN 111977512A
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- lifting lug
- lifting
- hoisting
- turning
- loading
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
- B66C13/085—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions electrical
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- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a vertical overturning and hoisting structure of a steel arch tower, which comprises: the lifting device comprises a beam, a turning-over lifting lug (1), a loading lifting lug (2), a lifting lug (3) and a tail sliding auxiliary lifting lug (4); the turning-over lifting lug (1), the loading lifting lug (2), the lifting lug (3) and the tail sliding auxiliary lifting lug (4) are all connected with the beam; wherein the turning lifting lug (1), the lifting lug (3) and the tail sliding auxiliary lifting lug (4) are all positioned on the same side of the beam; the loading lifting lug (2) is positioned on the upper side surface of the beam. The structure is simple, the operation is convenient and flexible, the auxiliary equipment and the material investment are less, the construction efficiency is high, and the operability is strong.
Description
Technical Field
The invention relates to a vertical overturning and hoisting structure of a steel arch tower, and belongs to the technical field of steel structure hoisting.
Background
After the steel structure product is formed into a unit beam section by parts, the steel structure product is generally rarely turned over in order to ensure the safety quality, especially after large sections are divided. However, steel structure bridges often span roads and rivers, and meanwhile, in order to reduce the workload of field welding, large sections are generally considered to be divided for transportation by combining with design requirements. The large section has a heavy weight and usually exceeds the hoisting load of a gantry crane, a traveling crane and the like. For flexible and rapid construction, mobile cranes are mostly selected by steel structure professional construction units. In order to avoid a large amount of overhead welding work, prevent the transportation of the overall dimension of a steel structure from exceeding the standard, or meet the requirement of swivel hoisting, the beam section needs to be turned over during the planning. Therefore, how to overturn the large-section member by using the truck crane is a problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a vertical overturning and hoisting structure of a steel arch tower, which aims to realize the purpose of ensuring safety with less investment and meet the requirement of rapid construction on the premise of ensuring safety.
In order to achieve the purpose, the invention adopts the technical scheme that the steel arch tower vertical overturning hoisting structure comprises:
comprises a beam, a turning-over lifting lug, a loading lifting lug, a lifting lug and a tail sliding auxiliary lifting lug;
the turning lifting lug, the loading lifting lug, the hoisting lifting lug and the tail sliding auxiliary lifting lug are all connected with the beam;
preferably, the turning-over lifting lug, the lifting lug and the tail sliding auxiliary lifting lug are all positioned on the same side of the beam; the loading lifting lug is positioned on the upper side surface of the beam;
preferably, the number of the turning-over lifting lugs is two, the turning-over lifting lugs are positioned at the lower part of the beam and are respectively positioned at the left side and the right side of the mass center of the beam; the two turning-over lifting lugs are coaxially arranged, and the axial direction of the turning-over lifting lugs is the left-right direction;
preferably, the number of the lifting lugs is two, the lifting lugs are positioned on the left side of the mass center of the beam and are respectively positioned on the upper part and the lower part of the beam; the axial directions of the hoisting lifting lugs deflect towards the direction of the mass center;
preferably, the number of the tail sliding auxiliary lifting lugs is two, the two tail sliding auxiliary lifting lugs are positioned on the right side of the mass center of the beam and are respectively positioned on the upper part and the lower part of the beam; the two tail sliding auxiliary lifting lugs are coaxially arranged, and the axial direction of the tail sliding auxiliary lifting lugs is in the vertical direction;
preferably, the turning-over lifting lug, the loading lifting lug, the hoisting lifting lug and the tail sliding auxiliary lifting lug have the same structure, the middle of each lifting lug is a lifting ring, and the two sides of the circumferential direction of each lifting ring are respectively provided with a connecting plate; the connecting plate is connected with the lifting ring through welding;
preferably, the loading lifting lugs are arranged on the left side and the right side of the upper side face of the beam, the loading lifting lug on the preferred left side is positioned between the mass center and the left end of the beam, and the loading lifting lug on the right side is positioned between the mass center and the right end of the beam;
also discloses a use method of the vertical overturning and hoisting structure of the steel arch tower.
Step one, manufacturing the beam in a factory, finding out the mass center of the beam through computer-aided selection, and marking;
step two, manufacturing turning-over lifting lugs, loading lifting lugs, hoisting lifting lugs and tail sliding auxiliary lifting lugs; welding the turning lifting lug, the loading lifting lug, the hoisting lifting lug and the tail sliding auxiliary lifting lug to a beam, and performing full penetration UT detection on a welding line;
step three, when the vehicle is loaded and delivered out of a factory, connecting the turning-over lifting lug and the loading lifting lug by using a truck crane in the factory to lift the beam section into the transport vehicle;
and step four, after the beam enters the site, one large crane is connected with the hoisting lifting lug to hoist, and the other large crane is connected with the auxiliary lifting lug to hoist to prevent tail slipping. The hoisting lifting lugs and the sliding tail lifting lugs are used for converting the arch sections into hoisting postures, and the overturning operation is completed under the cooperation of the two cranes.
The structure has the advantages of simple structure, convenient and flexible operation, realization by only matching with a large-tonnage crane (required for manufacturing and installation and no secondary approach cost), less auxiliary equipment and material investment, high construction efficiency and strong operability; and the design and construction of the device are carried out through three-dimensional simulation and strict scientific calculation, and the safety is higher.
Aiming at different process purposes, the positions of the mass center of the beam section and the lifting lug are found through cad three-dimensional modeling, the length and the included angle of the steel wire rope are determined, and the steel wire rope is applied after being qualified through MIDAS finite element stress calculation, so that safe and stable overturning and lifting are realized.
The method is characterized in that: the operation is flexible due to the cooperation construction with the crane; the hoisting structure is only a steel lifting lug, has simple structure, does not occupy effective operation area and does not hinder construction.
The method comprises the following steps: the construction method comprises a turning-over lifting lug, a hoisting lifting lug and a tail sliding auxiliary lifting lug, and the lifting lugs are required to be arranged at effective positions of segments to realize respective functions.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of a vertical overturning and hoisting structure of a steel arch tower.
In the figure: 1. turning-over lifting lugs; 2. loading a lifting lug; 3. hoisting the lifting lug; 4. auxiliary lifting lug for tail sliding
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the terms are only used for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms "first," "second," and the like in the description of the present invention are only used for distinguishing between the descriptions and are not intended to indicate or imply relative importance.
Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present invention do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The structure of the invention is as follows:
a vertical overturning and hoisting structure of a steel arch tower comprises a beam, a turning-over lifting lug 1, a loading lifting lug 2, a hoisting lifting lug 3 and a tail sliding auxiliary lifting lug 4;
the turning-over lifting lug 1, the loading lifting lug 2, the hoisting lifting lug 3 and the tail sliding auxiliary lifting lug 4 are all connected with the beam;
wherein, the turning-over lifting lug 1, the lifting lug 3 and the tail sliding auxiliary lifting lug 4 are all positioned on the same side of the beam; the loading lifting lug 2 is positioned on the upper side surface of the beam;
the turning-over lifting lugs 1 are two in number, are positioned at the lower part of the beam and are respectively positioned at the left side and the right side of the mass center of the beam; the two turning-over lifting lugs 1 are coaxially arranged, and the axial direction of the turning-over lifting lugs 1 is the left-right direction;
the number of the lifting lugs 3 is two, the lifting lugs are positioned on the left side of the mass center of the beam and are respectively positioned on the upper part and the lower part of the beam; the axial directions of the hoisting lifting lugs 3 deflect towards the direction of the mass center;
the two tail sliding auxiliary lifting lugs 4 are positioned on the right side of the mass center of the beam and are respectively positioned on the upper part and the lower part of the beam; the two auxiliary sliding tail lifting lugs 4 are coaxially arranged, and the axial direction of the auxiliary sliding tail lifting lug 4 is the vertical direction;
the turning-over lifting lug 1, the loading lifting lug 2, the hoisting lifting lug 3 and the tail sliding auxiliary lifting lug 4 are the same in structure, the middle of each lifting lug is a lifting ring, and the two circumferential sides of each lifting ring are respectively provided with a connecting plate; the connecting plate is connected with the lifting ring through welding;
the loading lifting lugs 2 are arranged on the left side and the right side of the upper side face of the beam, the preferred loading lifting lug 2 on the left side is positioned between the mass center and the left end of the beam, and the loading lifting lug 2 on the right side is positioned between the mass center and the right end of the beam;
also discloses a use method of the vertical overturning and hoisting structure of the steel arch tower.
The method comprises the following steps that firstly, a beam is manufactured in a factory, the mass center of the beam is found through the assistance of a computer and is marked;
secondly, manufacturing a turning-over lifting lug 1, a loading lifting lug 2, a hoisting lifting lug 3 and a tail sliding auxiliary lifting lug 4; welding the turning lifting lug 1, the loading lifting lug 2, the hoisting lifting lug 3 and the tail sliding auxiliary lifting lug 4 to a beam, and performing full penetration UT detection on a welding line;
step three, when the truck is loaded and delivered out of a factory, the truck crane in the factory is used for connecting the turning-over lifting lug 1 and the loading lifting lug 2 to hoist the beam section into the transport vehicle;
and step four, after the beam enters the site, one large crane is connected with the hoisting lifting lug 3 to hoist, and the other crane is connected with the auxiliary lifting lug 4 to hoist to prevent tail slipping. The hoisting lifting lugs and the sliding tail lifting lugs are used for converting the arch sections into hoisting postures, and the overturning operation is completed under the cooperation of the two cranes.
The structure has the advantages of simple structure, convenient and flexible operation, realization by only matching with a large-tonnage crane (required for manufacturing and installation and no secondary approach cost), less auxiliary equipment and material investment, high construction efficiency and strong operability; and the design and construction of the device are carried out through three-dimensional simulation and strict scientific calculation, and the safety is higher.
Aiming at different process purposes, the positions of the mass center of the beam section and the lifting lug are found through cad three-dimensional modeling, the length and the included angle of the steel wire rope are determined, and the steel wire rope is applied after being qualified through MIDAS finite element stress calculation, so that safe and stable overturning and lifting are realized.
The method is characterized in that: the operation is flexible due to the cooperation construction with the crane; the hoisting structure is only a steel lifting lug, has simple structure, does not occupy effective operation area and does not hinder construction.
The method comprises the following steps: the construction method comprises a turning-over lifting lug, a hoisting lifting lug and a tail sliding auxiliary lifting lug, and the lifting lugs are required to be arranged at effective positions of segments to realize respective functions.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a vertical upset hoisting structure of steel arch tower which characterized in that includes: the lifting device comprises a beam, a turning-over lifting lug (1), a loading lifting lug (2), a lifting lug (3) and a tail sliding auxiliary lifting lug (4);
the turning-over lifting lug (1), the loading lifting lug (2), the lifting lug (3) and the tail sliding auxiliary lifting lug (4) are all connected with the beam;
the turning-over lifting lug (1), the lifting lug (3) and the tail sliding auxiliary lifting lug (4) are all positioned on the same side of the beam; the loading lifting lug (2) is positioned on the upper side surface of the beam.
2. The steel arch tower vertical overturning and hoisting structure of claim 1, wherein:
the turning-over lifting lugs (1) are two in number, are positioned at the lower part of the beam and are respectively positioned at the left side and the right side of the mass center of the beam; the two turning-over lifting lugs (1) are coaxially arranged, and the axial direction of the turning-over lifting lugs (1) is the left-right direction.
3. The steel arch tower vertical overturning and hoisting structure of claim 1, wherein:
the number of the lifting lugs (3) is two, the lifting lugs are positioned on the left side of the mass center of the beam and are respectively positioned on the upper part and the lower part of the beam; the axial directions of the hoisting lifting lugs (3) deflect towards the direction of the mass center.
4. The steel arch tower vertical overturning and hoisting structure of claim 1, wherein:
the two tail sliding auxiliary lifting lugs (4) are positioned on the right side of the mass center of the beam and are respectively positioned on the upper part and the lower part of the beam; the two sliding tail auxiliary lifting lugs (4) are coaxially arranged, and the axial direction of the sliding tail auxiliary lifting lugs (4) is the vertical direction.
5. The steel arch tower vertical overturning hoisting structure according to any one of claims 1 to 4, wherein:
the turning-over lifting lug (1), the loading lifting lug (2), the lifting lug (3) and the tail sliding auxiliary lifting lug (4) are the same in structure, the middle of each lifting lug is a lifting ring, and connecting plates are arranged on two sides of the circumferential direction of each lifting ring; the connecting plate is connected with the hanging ring through welding.
6. The steel arch tower vertical overturning and hoisting structure of claim 1, wherein:
the loading lifting lug (2) is arranged on the left side and the right side of the upper side face of the beam, the loading lifting lug (2) on the left side is positioned in the middle of the mass center and the left end of the beam, and the loading lifting lug (2) on the right side is positioned in the middle of the mass center and the right end of the beam.
7. The steel arch tower vertical overturning and hoisting structure of claim 1, wherein:
the turning-over lifting lug (1), the loading lifting lug (2), the hoisting lifting lug (3) and the tail sliding auxiliary lifting lug (4) are welded with the beam.
8. The use method of the vertical overturning and hoisting structure of the steel arch tower is characterized in that:
step one, manufacturing the beam in a factory, finding out the mass center of the beam through computer-aided selection, and marking;
step two, manufacturing turning-over lifting lugs, loading lifting lugs, hoisting lifting lugs and tail sliding auxiliary lifting lugs; welding the turning lifting lug, the loading lifting lug, the hoisting lifting lug and the tail sliding auxiliary lifting lug to a beam, and performing full penetration UT detection on a welding line;
step three, when the vehicle is loaded and delivered out of a factory, connecting the turning-over lifting lug and the loading lifting lug by using a truck crane in the factory to lift the beam section into the transport vehicle;
fourthly, after the beam enters the site, one large crane is connected with a hoisting lifting lug for hoisting, and the other large crane is connected with a tail sliding auxiliary lifting lug for hoisting to prevent tail sliding; the hoisting lifting lugs and the sliding tail lifting lugs are used for converting the arch sections into hoisting postures, and the overturning operation is completed under the cooperation of the two cranes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010687937.6A CN111977512A (en) | 2020-07-16 | 2020-07-16 | Vertical upset hoisting structure of steel arch tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010687937.6A CN111977512A (en) | 2020-07-16 | 2020-07-16 | Vertical upset hoisting structure of steel arch tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111977512A true CN111977512A (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010687937.6A Pending CN111977512A (en) | 2020-07-16 | 2020-07-16 | Vertical upset hoisting structure of steel arch tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111977512A (en) |
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2020
- 2020-07-16 CN CN202010687937.6A patent/CN111977512A/en active Pending
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