CN215925714U - Construction tool for integral vertical rotation of steel tower - Google Patents
Construction tool for integral vertical rotation of steel tower Download PDFInfo
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- CN215925714U CN215925714U CN202122510015.0U CN202122510015U CN215925714U CN 215925714 U CN215925714 U CN 215925714U CN 202122510015 U CN202122510015 U CN 202122510015U CN 215925714 U CN215925714 U CN 215925714U
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- vertical rotation
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Abstract
The utility model discloses a construction tool for the integral vertical rotation of a steel tower, which comprises a crane for completing the vertical rotation of the steel tower, a lifting mechanism arranged on the crane, an upper hinge point support arranged at the upper part of the steel tower, a lower anchor ear arranged at the root part of the steel tower and a lower hinge point support arranged on a chassis of the crane, wherein the upper hinge point support is fixedly arranged on the upper part of the steel tower; the upper hinge point support comprises an upper hoop arranged at the upper part of the steel tower and a connecting piece hinged with the upper hoop; the connecting piece is hinged with the lifting mechanism; the lower hinge point support is hinged with the lower anchor ear. The construction tool for the integral vertical rotation of the steel tower can realize the integral vertical rotation of the steel tower on the basis of ensuring the mounting quality precision and the construction period safety of the steel tower.
Description
Technical Field
The utility model belongs to the technical field of vertical rotation construction of steel towers, and particularly relates to a construction tool for integral vertical rotation of a steel tower, which is mainly used for solving the problems of limited construction space of integral vertical rotation and conversion of a vertical rotation unloading system.
Background
Because the steel tower cable-stayed bridge has aesthetic property, the design and the application of the steel tower cable-stayed bridge are more and more extensive; the general steel tower is manufactured in a factory in sections, and then transported to an installation site to be assembled by adopting a traditional layered overlapping assembly method;
considering the limitation of a plurality of factors such as the special structural shape of the steel tower, the site construction condition and the like, and simultaneously, in order to ensure the installation quality precision and the construction period safety of the steel tower, a construction method of horizontal total splicing and integral vertical rotation is needed, namely, after the steel tower segments and the accessories (such as an anchor cylinder and a platform) thereof are spliced in a horizontal state and qualified through inspection, the steel tower segments and the accessories are installed through integral vertical rotation.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a construction tool for integrally vertically rotating a steel tower, which can realize the integral vertical rotation of the steel tower on the basis of ensuring the installation quality precision and the construction period safety of the steel tower.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a construction tool for the integral vertical rotation of a steel tower, which comprises a crane for completing the vertical rotation of the steel tower, a lifting mechanism arranged on the crane, a vertical rotation support arranged at the upper part of the steel tower, and a rotary support arranged on a chassis of the crane, wherein the lifting mechanism is arranged on the crane;
the vertical rotating support comprises an upper hoop arranged at the upper part of the steel tower and a connecting piece hinged with the upper hoop; the connecting piece is hinged with the lifting mechanism;
the rotary support comprises a lower hoop arranged at the root of the steel tower and a lower hinged point support arranged on the crane chassis; the lower anchor ear is hinged with the lower hinge point support.
Preferably, the lower anchor ear is connected with the lower hinge point support through a hinge shaft.
Preferably, the lifting mechanism comprises a winch arranged on the crane rack, a fixed pulley block arranged at the top of the crane rack, a movable pulley block hinged with the connecting piece and a winding system; one end of the winding system is connected with the winch, and the other end of the winding system bypasses the fixed pulley block and is connected with the movable pulley block.
Preferably, the lower hoop is a corbel network-shaped stiffening hoop structure.
Preferably, the construction tool for the integral vertical rotation of the steel tower further comprises a jacking mechanism;
the jacking mechanism comprises a jacking bracket welded with the lower anchor ear and a jack arranged on the lower hinge point support; the jack is used for propping the jacking support.
Preferably, the construction tool for the integral vertical rotation of the steel tower further comprises a jig frame for supporting the steel tower.
The utility model has the beneficial effects that:
1. the construction tool for the integral vertical rotation of the steel tower comprehensively considers the integral layout of a crane, a lifting mechanism, a vertical rotation support and a rotary support, a lower anchor ear is arranged at the root of the steel tower and connected with the lower hinge point support through a hinge shaft, and the rotary support synchronously processes four hinge shaft holes of two lower hinge point supports during design to ensure the rotation coaxiality of the steel tower;
2. because the rotary support bears larger stress load in the integral vertical rotation process of the steel tower, the lower hoop of the construction tool for the integral vertical rotation of the steel tower is designed into a bracket network reinforced hoop structure, and the lower hinge point support is connected with the chassis of the crane, so that the steel tower and the frame of the crane can be connected into a whole, and the bearing load of the root part of the steel tower is reduced;
3. because the steel tower is heavy, in order to guarantee that the system conversion process is stable and reliable after the vertical rotation is completed, except for adopting a tighter unloading procedure, the construction tool for the whole vertical rotation of the steel tower is provided with a jacking mechanism on a rotary support, namely a jacking support is welded on a lower hoop, a jack is arranged on a support at a lower hinge point to jack the jacking support, so that the steel tower is convenient to support and stabilize, after the vertical rotation is completed, a flange at the bottom of the steel tower is reliably connected with a universal hinge support of a bearing platform of the steel tower, and then the rotary support and the vertical rotation support fixed on the steel tower are dismantled, so that the whole vertical rotation of the steel tower is completed.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the construction tool for integral vertical rotation of the steel tower of the utility model;
FIG. 2 is a schematic structural diagram of a movable pulley block and a vertical rotation support of the construction tool for integral vertical rotation of the steel tower;
FIG. 3a is a schematic structural diagram of a vertical rotation support of the construction tool for integral vertical rotation of the steel tower;
FIG. 3b is a schematic view of the direction A-A in FIG. 3 a;
FIG. 4 is a schematic structural diagram of a jacking mechanism of the construction tool for integral vertical rotation of the steel tower;
FIG. 5 is a schematic view of the steel tower from the initial position of the vertical rotation to the completion of the vertical rotation.
Detailed Description
In order to better understand the technical solutions of the present invention, the following further describes the technical solutions of the present invention with reference to the accompanying drawings and examples.
Referring to fig. 1, the construction tool for the integral vertical rotation of the steel tower provided by the utility model comprises a crane 1 for completing the vertical rotation of the steel tower 9, a lifting mechanism arranged on the crane 1, a vertical rotation support 6 arranged on the upper part of the steel tower 9, and a rotary support arranged on a chassis 10 of the crane; referring to fig. 2, the vertical rotation support 6 includes an upper hoop 61 disposed at the upper portion of the steel tower 9 and a connector 62 hinged to the upper hoop 61; the connecting piece 62 is hinged with the lifting mechanism; referring to fig. 3a, the rotating support comprises a lower anchor ear 8 arranged at the root of the steel tower 9 and a lower hinge point support 7 connected with the crane chassis 10; the lower anchor ear 8 is hinged with the lower hinge point support 7; the construction tool for the integral vertical rotation of the steel tower comprehensively considers the integral layout of the crane 1, the lifting mechanism, the vertical rotation support 6 and the rotary support, in the integral vertical rotation process of the steel tower 9, the power of the construction tool comes from the winch 2 on the crane 1 which is fixed at the rear, the acting point for drawing the upper part of the steel tower 9 is the vertical rotation support 6, in the whole vertical rotation process, the dynamic load of the rotation of the steel tower 9 automatically forms balance stability on the metal structure of the frame of the crane 1, and the vertical rotation of the steel tower 9 is conveniently and stably carried out.
Referring to fig. 1 and 2, the lifting mechanism includes a winch 2 disposed on the frame of the crane 1, a fixed pulley block 3 disposed on the top of the frame of the crane 1, a movable pulley block 4 hinged to a connecting member 62, and a winding system 5; one end of the winding system 5 is connected with the winch 2, and the other end of the winding system is connected with the movable pulley block 4 by bypassing the fixed pulley block 3.
Referring to fig. 3a and 3b, the lower anchor ear 8 of the revolving support is a corbel network-shaped stiffening anchor ear structure, the lower anchor ear 8 is connected with a lower hinge point support 7 through hinge shafts, wherein 2 lower hinge point supports 7 are provided, two hinge shaft holes for mounting the hinge shafts are designed on the corresponding lower anchor ear 8, and the hinge shaft holes are bored on the lower hinge point support 7 on site, so that the coaxiality is guaranteed; the lower hinge point support 7 is fixedly connected to a crane chassis 10, a flange at the bottom of the steel tower is fixedly connected with a universal hinge base 11 of a steel tower bearing platform after the vertical rotation of the steel tower 9 is completed, and then the whole vertical rotation of the steel tower can be dismantled by adopting a stricter unloading procedure through a construction tool.
As shown in fig. 4, since the steel tower 9 has a large dead weight, in order to ensure that the vertical rotation process is performed stably and reliably, the construction tool for the overall vertical rotation of the steel tower further comprises a jacking mechanism; the jacking mechanism comprises a jacking bracket 12 welded with the lower anchor ear 8 and a jack 13 arranged on the lower hinged point support 7; the jack 13 is used for propping against the jacking bracket 12; in the vertical rotation process of the steel tower, a jack 13 is used for supporting the jacking frame 12 and stabilizing the steel tower 9 so as to ensure that a tower bottom flange of the steel tower 9 is reliably connected with the universal hinge base 11 of the steel tower bearing platform after the vertical rotation of the steel tower 9 is finished, and then a lower hoop 8 and the like fixed on the steel tower 9 are removed to finish the integral vertical rotation of the steel tower 9.
The construction tool for the integral vertical rotation of the steel tower also comprises a jig frame for supporting the steel tower 9; before the steel tower 9 is vertically rotated, the steel tower 9 needs to be placed at a proper position, specifically, a jig frame can be assembled according to field conditions, and then the assembled steel tower 9 is placed on the jig frame.
Referring to fig. 5, when the construction tool for integral vertical rotation of the steel tower is used specifically, the specific process is as follows: 1) assembling the steel tower in sections, and selecting the mounting position of a vertical rotating support on the steel tower; 2) determining an initial position of the steel tower before vertical rotation, and installing a crane and a splicing jig frame according to the field condition; 3) sequentially installing the construction tools for the integral vertical rotation of the steel tower, inspecting the connection relation of each part of the construction tools for the integral vertical rotation of the steel tower, and performing trial hoisting evaluation on the construction tools for the integral vertical rotation of the steel tower; 4) formally carrying out the overall vertical rotation of the steel tower, fixing a flange at the bottom of the steel tower on a universal hinge base of a bearing platform of the steel tower when the steel tower reaches a final position from an initial position, and then adopting a stricter unloading procedure to carry out the overall vertical rotation of the steel tower to be dismantled by using a construction tool so as to complete the overall vertical rotation of the steel tower.
In summary, the construction tool for the integral vertical rotation of the steel tower comprehensively considers the integral layout of the crane, the lifting mechanism, the vertical rotation support and the rotary support, the lower anchor ear is arranged at the root of the steel tower and connected with the lower hinge point support through the hinge shaft, and the rotary support is synchronously processed with four hinge shaft holes of two lower hinge point supports during design to ensure the rotation coaxiality of the steel tower; because the rotary support bears larger stress load in the integral vertical rotation process of the steel tower, the lower hoop of the construction tool for the integral vertical rotation of the steel tower is designed into a bracket network-shaped stiffening hoop structure, and the lower hinge point support is connected with the chassis of the crane, so that the steel tower and the frame of the crane can be connected into a whole, and the bearing load of the root part of the steel tower is reduced; because the steel tower is heavy, in order to guarantee that the system conversion process is stable and reliable after the vertical rotation is finished, except for adopting a tighter unloading procedure, the construction tool for the whole vertical rotation of the steel tower is provided with a jacking mechanism on a rotary support, namely, a jacking support is welded on a lower hoop, a jack is designed on a support at a lower hinge point to hold the jacking support, so that the steel tower is convenient to support and stabilize, after the vertical rotation is finished, a flange at the bottom of the steel tower is reliably connected with a universal hinge support of a bearing platform of the steel tower, and then the rotary support fixed on the steel tower is detached, so that the whole vertical rotation of the steel tower is finished.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (6)
1. A construction tool for the integral vertical rotation of a steel tower is characterized by comprising a crane for completing the vertical rotation of the steel tower, a lifting mechanism arranged on the crane, a vertical rotation support arranged on the upper part of the steel tower, and a rotary support arranged on a chassis of the crane;
the vertical rotating support comprises an upper hoop arranged at the upper part of the steel tower and a connecting piece hinged with the upper hoop; the connecting piece is hinged with the lifting mechanism;
the rotary support comprises a lower hoop arranged at the root of the steel tower and a lower hinged point support arranged on the crane chassis; the lower anchor ear is hinged with the lower hinge point support.
2. The construction tool for the integral vertical rotation of the steel tower according to claim 1, wherein the lower anchor ear is connected with the lower hinge point support through a hinge shaft.
3. The construction tool for the integral vertical rotation of the steel tower according to claim 1, wherein the lifting mechanism comprises a winch arranged on the crane frame, a fixed pulley block arranged on the top of the crane frame, a movable pulley block hinged with the connecting piece and a winding system; one end of the winding system is connected with the winch, and the other end of the winding system bypasses the fixed pulley block and is connected with the movable pulley block.
4. The construction tool for the integral vertical rotation of the steel tower according to claim 1, wherein the lower hoop is a corbel network-shaped stiffening hoop structure.
5. The construction tool for the integral vertical rotation of the steel tower according to claim 1, further comprising a jacking mechanism;
the jacking mechanism comprises a jacking bracket welded with the lower anchor ear and a jack arranged on the lower hinge point support; the jack is used for propping the jacking support.
6. The construction tool for the integral vertical rotation of the steel tower according to any one of claims 1 to 5, further comprising a jig frame for supporting the steel tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122510015.0U CN215925714U (en) | 2021-10-19 | 2021-10-19 | Construction tool for integral vertical rotation of steel tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122510015.0U CN215925714U (en) | 2021-10-19 | 2021-10-19 | Construction tool for integral vertical rotation of steel tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215925714U true CN215925714U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122510015.0U Active CN215925714U (en) | 2021-10-19 | 2021-10-19 | Construction tool for integral vertical rotation of steel tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215925714U (en) |
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2021
- 2021-10-19 CN CN202122510015.0U patent/CN215925714U/en active Active
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