CN213294410U - Hoisting tool for steel pipe tower of power transmission line - Google Patents
Hoisting tool for steel pipe tower of power transmission line Download PDFInfo
- Publication number
- CN213294410U CN213294410U CN202021630672.8U CN202021630672U CN213294410U CN 213294410 U CN213294410 U CN 213294410U CN 202021630672 U CN202021630672 U CN 202021630672U CN 213294410 U CN213294410 U CN 213294410U
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- Prior art keywords
- bottom plate
- hoisting
- steel pipe
- shackle
- lifting lug
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 230000005540 biological transmission Effects 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a hoisting tool for a steel pipe tower of a transmission line, which comprises a bottom plate and a lifting lug; the lifting lug is provided with a shackle hole and is erected on the bottom plate; and a pair of mounting holes which are symmetrically arranged about the lifting lug are formed at two ends of the bottom plate so as to be assembled with the flange plate. The whole tool is simple in structure, convenient to select materials, process and produce, short in manufacturing period and low in cost. On the other hand, the tool is used in a paired mode in actual application, a pair of hoisting tools are symmetrically assembled on the steel pipe flange, the hoisting tools are respectively aligned with the corresponding bolt holes in the flange through a pair of mounting holes in the bottom plate of the hoisting tools, then the hoisting tools are locked through matched bolts and nuts, the steel pipe flange is assembled, the shackle holes are guaranteed to be located between two connection points, namely, the hoisting points are located at the centers of the two bolts during hoisting, transverse stress on the shackle is avoided, and safety is improved.
Description
Technical Field
The utility model belongs to the technical field of transmission line steel pipe shaft tower hoist and mount construction, especially, relate to a transmission line steel pipe shaft tower lifting device.
Background
The hoisting point setting of the hoisting construction of the steel tube tower of the power transmission line is difficult, and because the weight of a single section of a main material of the steel tube tower is large and limited by the round shape of a steel tube, the steel wire rope or the hanging strip is directly adopted to be difficult to set a binding hoisting point, or the steel wire rope and a steel tube flange plate rub each other in the hoisting process, the phenomena of shearing, sliding and the like of the steel wire rope are easy to occur, and great potential safety hazards exist.
At present, a simple hoisting point plate or a bolt type flange auxiliary hoisting tool is mostly machined in hoisting construction of a steel pipe tower of a power transmission line. When the simple hoisting point plate is adopted, the tool is simple to process, the hoisting point plate is bent at a certain angle, two screw holes are processed, one screw hole penetrates through a flange bolt, the other screw hole penetrates through an shackle, the tool is stressed by a single bolt, and the shackle in the hoisting process has transverse stress and certain safety risk. When the bolt type flange auxiliary hoisting tool is adopted, high-strength steel needs to be selected, integral machining is needed, screw threads need to be machined, the process is complex, and the cost is high; and also for single bolt atress, there is the safety risk.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a low in cost and can avoid the transmission line steel pipe shaft tower lifting device of horizontal atress.
The utility model provides a hoisting tool for a steel pipe tower of a power transmission line, which comprises a bottom plate and a lifting lug; the lifting lug is provided with a shackle hole and is erected on the bottom plate; and a pair of mounting holes which are symmetrically arranged about the lifting lug are formed at two ends of the bottom plate so as to be assembled with the flange plate.
In one embodiment, the bottom plate is a flat plate made of Q345 steel.
Preferably, the hole pitch between the mounting holes is matched with the hole pitch on the flange plate.
In order to improve the stability, one end of the lifting lug is a rectangular surface, the other end of the lifting lug is an arc surface, and the shackle hole and the arc surface are concentric; the lug welds on the bottom plate with its rectangle face, and the long limit of rectangle face sets up along the length direction of bottom plate.
In order to further improve the stress stability, the circle centers of the shackle holes and the pair of mounting holes are positioned on the same straight line.
The utility model discloses simple structure, the material selection processing production of being convenient for, preparation cycle is short and low cost. On the other hand, the tool is used in a paired mode in actual application, a pair of hoisting tools are symmetrically assembled on the steel pipe flange, the hoisting tools are respectively aligned with the corresponding bolt holes in the flange through a pair of mounting holes in the bottom plate of the hoisting tools, then the hoisting tools are locked through matched bolts and nuts, the steel pipe flange is assembled, the shackle holes are guaranteed to be located between two connection points, namely, the hoisting points are located at the centers of the two bolts during hoisting, transverse stress on the shackle is avoided, and safety is improved.
Drawings
Fig. 1 is a schematic front view of a preferred embodiment of the present invention.
Fig. 2 is a schematic top view of fig. 1.
Fig. 3 is a schematic view of the use state of the present preferred embodiment.
Sequence numbers of the drawings:
1-bottom plate, 11-mounting hole;
2, lifting lugs, 21, shackle holes;
and 3, a steel pipe flange.
Detailed Description
As shown in fig. 1 and fig. 2, the hoisting tool for the steel tube tower of the power transmission line disclosed in the embodiment comprises a bottom plate 1 and a lifting lug 2, wherein the lifting lug stands on the bottom plate, and the bottom plate and the lifting lug are both processed by using a steel plate made of a Q345 material which is common in the market. The method only needs simple cutting, blanking and punching, and has simple and easy processing technology and lower requirement on equipment.
During design, a common steel pipe pole tower-shaped diagram is inquired, relevant sizes of the flanges are collected, and the special lifting appliance is designed, checked and processed according to the size conditions of the diameters, the bolt hole distances, the hole diameters, the wall thicknesses and the like of the flanges and passes a tension test.
The bottom plate 1 is a flat plate, and both ends thereof are provided with a pair of mounting holes 11 arranged in central symmetry with respect to the length direction.
One end of the lifting lug 2 is a rectangular surface, the other end is an arc surface, and a shackle hole 21 is arranged on the lifting lug and is concentric with the arc surface; the lug welds in bottom plate length direction center with its rectangular surface to set up the long limit of rectangular surface along the length direction of bottom plate, the centre of a circle of shackle hole and the centre of a circle of a pair of mounting hole are located collinear. Thereby guarantee that the shackle is located two bolt centers, avoid the horizontal atress of shackle to appear, improve the security.
As shown in fig. 3, this embodiment is used in pairs when in actual use, symmetrically assembles a pair of lifting device on steel pipe flange 3, and lifting device aligns with the bolt hole that corresponds on the ring flange respectively with a pair of mounting hole on its bottom plate, then locks through supporting bolt and nut, accomplishes the assembly with the steel pipe flange, guarantees that the shackle hole is in the centre of two tie points, and the hoisting point is located two bolt centers when hoist and mount promptly, avoids the horizontal atress to appear in the shackle, improves the security.
Through the on-site repeated implementation verification, the novel steel pipe tower hoisting tool for the power transmission line can improve the construction efficiency and safety of the steel pipe tower.
Compare in current lifting device, the utility model has the advantages of it is following:
1. the steel plate made of Q345 material which is common in the market is adopted, and the lifting stress requirement of a common steel pipe tower can be met through design stress checking calculation; the purchasing and processing are simple, and the manufacturing period is short.
2. The tool is simple in structure, the bottom plate and the lifting lugs are fixedly connected and welded, the welding mode is simple, and the cost is low.
3. The tool adopts double bolts for connection, utilizes the existing steel pipe tower bolts, is convenient and efficient to connect, and improves the safety and reliability.
4. The tool can avoid transverse stress during shackle lifting, and improves safety and reliability.
Claims (2)
1. The utility model provides a transmission line steel pipe shaft tower lifting device which characterized in that: the lifting device comprises a bottom plate and lifting lugs; the lifting lug is provided with a shackle hole and is erected on the bottom plate; a pair of mounting holes which are symmetrically arranged relative to the lifting lugs are formed in the two ends of the bottom plate so as to be assembled with the flange plate;
the hole distance between the mounting holes is matched with the hole distance on the flange plate;
one end of the lifting lug is a rectangular surface, the other end of the lifting lug is an arc surface, and the shackle hole and the arc surface share the same center of circle; the lifting lug is welded on the bottom plate by a rectangular surface, and the long edge of the rectangular surface is arranged along the length direction of the bottom plate;
the circle centers of the shackle holes and the circle centers of the pair of mounting holes are positioned on the same straight line.
2. The hoisting tool for the steel tube towers of the power transmission line of claim 1, which is characterized in that: the bottom plate is a Q345 steel flat plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021630672.8U CN213294410U (en) | 2020-08-07 | 2020-08-07 | Hoisting tool for steel pipe tower of power transmission line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021630672.8U CN213294410U (en) | 2020-08-07 | 2020-08-07 | Hoisting tool for steel pipe tower of power transmission line |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213294410U true CN213294410U (en) | 2021-05-28 |
Family
ID=76023748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202021630672.8U Active CN213294410U (en) | 2020-08-07 | 2020-08-07 | Hoisting tool for steel pipe tower of power transmission line |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213294410U (en) |
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2020
- 2020-08-07 CN CN202021630672.8U patent/CN213294410U/en active Active
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