CN218509163U - Detachable web rod type derrick tower top structure for assembling large-span iron tower - Google Patents
Detachable web rod type derrick tower top structure for assembling large-span iron tower Download PDFInfo
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- CN218509163U CN218509163U CN202221364758.XU CN202221364758U CN218509163U CN 218509163 U CN218509163 U CN 218509163U CN 202221364758 U CN202221364758 U CN 202221364758U CN 218509163 U CN218509163 U CN 218509163U
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Abstract
The utility model discloses a detachable web member type derrick tower top structure for assembling large span iron tower, which comprises a tower top section, a main chord member arranged at four corners, two ear plate seats positioned at the left and right sides of the tower top section and arranged on the main chord member, wherein two ear plate seats at the same side are arranged oppositely and all the ear plate seats have the same height; the detachable web member comprises a rod body and connecting ear plates arranged on two sides of the rod body; the detachable web member is detachably connected between the two lug plate seats on the same side of the tower top section through two groups of connecting lug plates; the connecting lug plate is connected with the lug plate seat through a pin shaft, and one end of the pin shaft is provided with a cotter pin. In the tower descending process, the detachable web member of the tower top structure is detached, the closing-up size of the rocker arm is reduced, the cross section size of the electric pole is reduced, and the whole section descending operation of the electric pole from the upper opening of the electric iron tower is realized.
Description
Technical Field
The utility model relates to a embrace pole tower top structure especially relates to a removable web member formula embrace pole tower top structure for assembling stride across iron tower greatly, and it belongs to the electric power machinery field.
Background
Along with transmission of electricity electric wire netting construction's development, networking engineering is constantly increasing, therefore the quantity of electric power iron tower constantly increases, in order to build electric power iron tower, need use hoisting equipment, big end down on the whole sectional area of electric power iron tower at present, the bore is littleer when utilizing electric power to hold the pole and up the dress more. Therefore, the double-rocker electric holding pole is often adopted for hoisting in the construction of the electric iron tower. Due to the limitation of the size of the tower-shaped skylight opening, the closing-in size of the double-rocker-arm electric holding pole needs to enable the cross section of the pole to smoothly pass through the iron tower skylight.
When the double-rocker electric holding rod closes the rocker, the cross section of the crane boom is triangular, so that when the crane boom is closed up by closing up the rocker, the web member on the top of the tower often becomes a factor for restricting the size of the closed-up size.
Therefore, the detachable web-bar type derrick tower top structure for assembling and erecting the large-span iron tower is simple and reasonable in structural design and convenient to assemble and disassemble, and is very important.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design simple reasonable, safe and reliable installs and removes the convenience, has improved work efficiency's removable web member formula armful of pole top of the tower structure that is used for the assemblage to stride across iron tower greatly.
The utility model adopts the following technical scheme:
a detachable web-bar derrick mast head structure for erecting large span pylons, comprising: the tower top section comprises main chords arranged at four corners and lug plate seats which are positioned at the left side and the right side of the tower top section and are arranged on the main chords, two lug plate seats at the same side are oppositely arranged, and the heights of all the lug plate seats are the same; the detachable web member comprises a rod body and connecting ear plates arranged on two sides of the rod body; the detachable web member is detachably connected between the two lug plate seats on the same side of the tower top section through two groups of connecting lug plates; the connecting lug plate is connected with the lug plate seat through a pin shaft, and one end of the pin shaft is provided with a cotter pin.
Change the horizontal web member of standard segment into removable web member, adopt round pin hub connection between removable web member and the main chord member, at the tower falling in-process, need two rocking arm electric power to embrace the pole and carry out the rocking arm binding off, and pull down the removable web member of top of the tower structure through taking off the round pin axle, reduce the binding off size of rocking arm to reduce electric power and embrace pole self cross sectional dimension, realize that electric power embraces the pole and wholly falls the festival operation from the upper portion opening part of electric power iron tower, reduce the dependence of field work to special lifting device, and reduce the potential safety hazard.
Preferably, the pin shaft is in clearance fit with the connecting lug plate and the lug plate seat hole positions, so that the pin shaft at one end is only required to be dismounted when the transverse web member is dismounted, and the transverse web member is more convenient and efficient to dismount.
Preferably, the device further comprises an X-shaped cross web member, and the X-shaped cross web member is arranged on the main chord member.
As preferred, be equipped with the platform on the horizontal web member of X type, the platform sets up on the horizontal web member of inside X type through the welding, makes things convenient for the workman to carry out the installation and the dismantlement work of web member, has reduced the potential safety hazard simultaneously, improves the work safety nature.
Preferably, the platform has a trapezoidal structure, and both side edges of the platform are welded to the cross structure of the X-shaped cross web member, so that the welding length is increased, thereby improving the connection strength between the platform and the X-shaped cross web member.
Preferably, the inclination angle of the two side edges of the platform is 45 degrees.
Preferably, the detachable cross web member comprises two platforms which are oppositely arranged on the cross structure of the X-shaped cross web member, so that the detachable web members on two sides can be conveniently detached simultaneously.
Preferably, the two ends of the rod body are provided with mounting plates, the mounting plates are provided with two connecting lug plates, the lug plate seat is provided with a lug plate structure, and the lug plate structure is embedded between the two connecting lug plates.
Preferably, the diameter of the pin shaft is 50mm.
Compared with the prior art, the utility model has the advantages of it is following:
1. the integral structure is simple and reasonable in design, safe and reliable, and convenient to assemble and disassemble, the standard section transverse web members are changed into the detachable web members, the detachable web members are connected with the main chord members through the pin shafts, in the tower descending process, the double-rocker electric holding rods are required to conduct rocker closing, the detachable web members of the tower top structure are detached through the pin shafts, and the closing size of the rockers is reduced, so that the cross section size of the electric holding rods is reduced, the integral section descending operation of the electric holding rods from the upper opening of an electric iron tower is realized, the dependence of field operation on special hoisting equipment is reduced, and the potential safety hazard is reduced;
2. a platform is arranged beside each layer of detachable web member of the standard segment, and the platform is arranged on the inner X-shaped transverse web member through welding, so that the mounting and dismounting of the web members by workers are facilitated, meanwhile, the potential safety hazard is reduced, and the working safety is improved;
3. the detachable web members are connected with the main chord members through the pin shafts, so that the detachable web members are convenient to disassemble and assemble, the weight of single pieces of the tower top structure is reduced, and the outdoor transportation is convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the top of the tower.
Fig. 2 is a partially enlarged view of a portion a of fig. 1.
Fig. 3 is a schematic structural view of a tower top section.
Fig. 4 is a schematic view of the tower top structure when the detachable web member is not detached.
Fig. 5 is a schematic view of the tower top with the removable web members removed.
Fig. 6 is a schematic view of the structure of the detachable web member.
Fig. 7 is a structural schematic diagram of the platform.
In the figure, a tower top section 1, a main chord 11, an ear plate seat 12, an X-shaped cross web member 13, a detachable web member 2, a rod body 21, a connecting ear plate 22, a pin shaft 3 and a platform 4.
Detailed Description
In order to facilitate understanding of the technical solutions of the present invention, the following detailed description is made with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1 to 7, a detachable web-type derrick tower top structure for erecting a large span iron tower comprises:
the tower top section 1 comprises main chords 11 arranged at four corners and ear plate seats 12 which are positioned at the left side and the right side of the tower top section 1 and are arranged on the main chords 11, wherein the two ear plate seats 12 at the same side are oppositely arranged and all the ear plate seats 12 have the same height;
the detachable web member 2 comprises a rod body 21 and connecting ear plates 22 arranged at two sides of the rod body 21;
the detachable web member 2 is detachably connected between the two lug plate seats 12 on the same side of the tower top section 1 through two groups of connecting lug plates 22;
the connecting ear plate 22 is connected with the ear plate seat 12 through a pin shaft 3, and one end of the pin shaft 3 is provided with a cotter pin.
Change standard festival section horizontal web member into removable web member, adopt round pin hub connection between removable web member and the main chord, at the tower in-process that falls, need two rocking arm electric power to embrace the pole and carry out the rocking arm binding off, and pull down the removable web member of tower top structure through taking off the round pin axle, reduce the binding off size of rocking arm, thereby reduce electric power and embrace pole self cross sectional dimension, realize that electric power embraces the pole and wholly fall the festival operation from the upper portion opening part of electric power iron tower, reduce the dependence of field work to special lifting device, and reduce the potential safety hazard.
Preferably, the pin shaft 3 is in clearance fit with the connecting lug plate 22 and the lug plate seat 12 hole sites, so that the pin shaft at one end only needs to be dismounted when the cross web member is dismounted, and the dismounting of the cross web member is more convenient and efficient. Under the condition that the detachable web members 2 are normally installed, the pin shaft 3 penetrates through holes of lug plates of the lug plate seats 12 and holes of lug plates of the detachable web members 1 and is fixed by using split pins, as shown in figures 4-5, after an electric iron tower is completed, the pin shaft 3 is knocked out, so that the detachable web members 2 are detached from tower top sections, the closing-up size is smaller when the electric iron tower holding rocker arm is ensured, and the tower descending and detaching work is smoothly completed.
The installation and the dismantlement of the convenient removable web member 2 of clearance fit are adopted, the weight of the tower top structure single piece is reduced simultaneously, and the field transportation is convenient.
Preferably, the string-tying device further comprises an X-shaped cross web member 13, and the X-shaped cross web member 13 is arranged on the main chord member 11.
Preferably, the platform 4 is arranged on the X-shaped cross web member 13 and is arranged on the X-shaped cross web member in the inner part in a welding mode, so that the installation and disassembly work of the web members is facilitated for workers, meanwhile, the potential safety hazards are reduced, and the working safety is improved. The platform 4 is used for the workman to install and remove removable web member 2 time work, and the platform 4 is installed by removable web member 2, with X type horizontal web member 13 welded connection, guarantees that the workman is safe convenient in installing and removing web member work.
Preferably, the platform 4 has a trapezoidal structure, and both side edges thereof are welded to the cross structure of the X-shaped cross web member 13, so that the welding length is increased, thereby increasing the connection strength between the platform 4 and the X-shaped cross web member 13.
Preferably, the inclination angle of the two sides of the platform 4 is 45 degrees.
Preferably, the detachable web member comprises two platforms 4, and the two platforms 4 are oppositely arranged on the cross structure of the X-shaped cross web member 13, so that the detachable web members 2 on the two sides can be detached simultaneously.
Preferably, the two ends of the rod body 21 are provided with mounting plates, the mounting plates are provided with two connecting ear plates 22, the ear plate seat 12 is provided with an ear plate structure, and the ear plate structure is embedded between the two connecting ear plates 22.
Preferably, the diameter of the pin shaft 3 is 50mm.
The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is defined by the scope defined by the claims, and a plurality of modifications and embellishments made by those skilled in the art without departing from the spirit and scope of the present invention should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a removable web member formula derrick tower top structure for assemblage strides across iron tower greatly which characterized in that: the method comprises the following steps: the tower top section (1) comprises main chords (11) arranged at four corners and ear plate seats (12) which are positioned at the left side and the right side of the tower top section (1) and arranged on the main chords (11), wherein the two ear plate seats (12) at the same side are arranged oppositely, and the heights of all the ear plate seats (12) are the same;
the detachable web member (2) comprises a rod body (21) and connecting ear plates (22) arranged on two sides of the rod body (21); the detachable web member (2) is detachably connected between the two lug plate seats (12) on the same side of the tower top section (1) through two groups of connecting lug plates (22);
the connecting lug plate (22) is connected with the lug plate seat (12) through a pin shaft (3), and one end of the pin shaft (3) is provided with a cotter pin.
2. The detachable web-type derrick tower top structure for assembling large span iron tower according to claim 1, wherein: and the pin shaft (3) is in clearance fit with the connecting lug plate (22) and the hole positions of the lug plate seat (12).
3. The detachable web-type derrick tower top structure for assembling large span iron tower according to claim 1, wherein: still include X type horizontal web member (13), X type horizontal web member (13) set up on main chord member (11).
4. The detachable web-type derrick tower structure for assembling large span iron tower of claim 3, wherein: and a platform (4) is arranged on the X-shaped transverse web member (13).
5. The detachable web-type derrick tower structure for erecting large span iron towers according to claim 4, wherein: the platform (4) is of a trapezoidal structure, and two side edges of the platform are welded on the cross structure of the X-shaped transverse web member (13).
6. The detachable web-type derrick tower structure for the erection of the large-span iron tower of claim 5, wherein: the inclination angles of the two side edges of the platform (4) are 45 degrees.
7. The detachable web-type derrick tower structure for erecting large span iron towers according to claim 5, wherein: the X-shaped cross web member comprises two platforms (4), wherein the two platforms (4) are oppositely arranged on a cross structure of an X-shaped cross web member (13).
8. The detachable web-type derrick tower top structure for assembling large span iron tower according to claim 1, wherein: the utility model discloses a pole body, including the body of rod (21), the body of rod (21) both ends are equipped with the mounting panel, be equipped with two on the mounting panel and connect otic placode (22), be equipped with an otic placode structure on otic placode seat (12), the otic placode structure imbeds between two connection otic placodes (22).
9. The detachable web-type derrick tower top structure for erecting large span iron towers according to claim 1, wherein: the diameter of the pin shaft (3) is 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221364758.XU CN218509163U (en) | 2022-06-02 | 2022-06-02 | Detachable web rod type derrick tower top structure for assembling large-span iron tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221364758.XU CN218509163U (en) | 2022-06-02 | 2022-06-02 | Detachable web rod type derrick tower top structure for assembling large-span iron tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218509163U true CN218509163U (en) | 2023-02-21 |
Family
ID=85204563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221364758.XU Active CN218509163U (en) | 2022-06-02 | 2022-06-02 | Detachable web rod type derrick tower top structure for assembling large-span iron tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218509163U (en) |
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2022
- 2022-06-02 CN CN202221364758.XU patent/CN218509163U/en active Active
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