CN111395202A - Vertical rotating device of steel tower and positioning and mounting method thereof - Google Patents
Vertical rotating device of steel tower and positioning and mounting method thereof Download PDFInfo
- Publication number
- CN111395202A CN111395202A CN202010350849.7A CN202010350849A CN111395202A CN 111395202 A CN111395202 A CN 111395202A CN 202010350849 A CN202010350849 A CN 202010350849A CN 111395202 A CN111395202 A CN 111395202A
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- shaft
- steel tower
- positioning
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/08—Methods or apparatus specially adapted for erecting or assembling bridges by rotational movement of the bridge or bridge sections
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The application relates to a vertical turning device of a steel tower and a positioning and mounting method thereof, belonging to the technical field of bridge construction. The swivel device comprises a positioning shaft, a rotating shaft and at least two groups of hinged support assemblies, each hinged support assembly comprises a rotating hinged support, a fixed hinged support and a shaft hole group, each shaft hole group comprises a first shaft hole arranged on a rotating section of the steel tower and a second shaft hole arranged on a fixed section of the steel tower, and the second shaft holes are matched with the first shaft holes; when the positioning shafts are inserted into all the shaft hole groups, the rotating hinged support is connected with the rotating section of the steel tower, and the fixed hinged support is connected with the fixed section of the steel tower, the space where the positioning shafts are located forms a positioning space; the diameter of the rotating shaft is not larger than that of the positioning shaft, and the rotating shaft penetrates through the positioning space. The positioning and mounting method comprises the following steps: inserting the positioning shafts into all the shaft hole groups; connecting the rotary hinged support with the rotary section of the steel tower, and connecting the fixed hinged support with the fixed section of the steel tower; the positioning shaft is replaced by a rotating shaft.
Description
Technical Field
The application relates to the technical field of bridge construction, in particular to a vertical rotating device of a steel tower and a positioning and installing method thereof.
Background
At present, the steel tower is widely applied to urban bridges due to light dead weight and beautiful shape, and an inclined steel tower has the characteristics of higher construction difficulty, higher cost and the like if a conventional floor type support method is adopted for construction, so that the vertical swivel construction technology of the steel tower is suitable for operation, a swivel device in the vertical swivel construction technology comprises an upper hinge seat, a lower hinge seat and a rotating shaft structure for vertical swivel construction of the steel tower, the upper hinge seat is connected with a rotating section of the steel tower, the lower hinge seat is connected with a fixed section of the steel tower, the upper hinge seat is connected with the lower hinge seat through a rotating shaft and rotates around the rotating shaft, and the rotating section of the steel tower is butted with the fixed section of the steel tower to form a steel tower main body. And the general swivel device has two sets of upper and lower hinged supports, and the upper and lower hinged supports are equipped with rotating shaft holes, and the rotating shaft is inserted into the rotating shaft holes of two sets of upper and lower hinged supports. In order to ensure the stability and safety of the steel tower rotating body, the installation precision among the rotating shaft, the upper hinged support and the lower hinged support must be ensured for the closure precision of the interface when the steel tower rotating body is in place. However, the connection of the upper hinged support and the lower hinged support with the tower body needs to adopt fusion penetration welding, the welding amount is large, and the welding deformation of the upper hinged support and the lower hinged support is difficult to control.
In the related technology, the machining allowance is reserved for the rotating shaft hole, after the hinged support is completely welded, the rotating shaft hole is integrally bored in a reappearance field, and then the rotating shaft is inserted, so that the concentricity of the rotating shaft and the gap between the rotating shaft hole and the rotating shaft can be controlled, but the process has long construction period and high cost.
Disclosure of Invention
The embodiment of the application provides a vertical rotating device of a steel tower and a positioning and mounting method thereof, and aims to solve the problem that a rotating shaft needs to be positioned and mounted in a rotating shaft hole only by consuming longer time in the related technology.
In a first aspect, a vertical swivel device for a steel tower is provided, the steel tower comprising a rotating section and a fixed section, the swivel device comprising:
at least two sets of free bearing assemblies, the free bearing assembly includes:
-a swivel hinge mount for connection with the steel tower swivel segment;
-a fixed hinge base for connection with the steel tower fixed section;
-a shaft hole group comprising a first shaft hole opened on the steel tower rotating section and a second shaft hole opened on the steel tower fixing section, wherein the second shaft hole is matched with the first shaft hole;
the positioning shafts are inserted into all the shaft hole groups, when the positioning shafts are inserted into all the shaft hole groups, the rotating hinged support is connected with the rotating section of the steel tower, and when the fixed hinged support is connected with the fixed section of the steel tower, a positioning space is formed in the space where the positioning shafts are located;
the diameter of the rotating shaft is not larger than that of the positioning shaft, and the rotating shaft penetrates through the positioning space so that the rotating hinged support can rotate around the rotating shaft in a vertical plane.
In some embodiments, the swivel device further includes a limiting mechanism, and when the rotating shaft penetrates through the positioning space, the limiting mechanism is assembled on the rotating shaft and is used for limiting the rotating shaft to move along its own axis.
In some embodiments, two limiting grooves are formed on the wall surfaces at two ends of the rotating shaft in a concave manner; the stop gear includes:
the two limiting rings are respectively sleeved at two ends of the rotating shaft;
the two blocking pieces are clamped in the limiting groove and pressed on the limiting ring so as to limit the limiting ring to move along the axis of the rotating shaft.
In some embodiments, the stopper is connected to the limiting ring by a screw.
In some embodiments, the first shaft aperture and the second shaft aperture each have a diameter that is 2mm greater than a diameter of the positioning shaft.
In some embodiments, the diameter of the positioning shaft is 1mm greater than the diameter of the rotating shaft.
In some embodiments, the swivel device includes two sets of hinge mount assemblies.
In a second aspect, a positioning and mounting method for a vertical swivel device of a steel tower is provided, the steel tower comprises a steel tower rotating section and a steel tower fixing section, and the swivel device is characterized by comprising a rotating shaft and at least two sets of hinge seat assemblies, each hinge seat assembly comprises a rotating hinge seat, a fixing hinge seat and a shaft hole set, each shaft hole set comprises a first shaft hole arranged on the steel tower rotating section and a second shaft hole arranged on the steel tower fixing section, and the second shaft holes are matched with the first shaft holes;
the positioning and mounting method comprises the following steps:
providing a positioning shaft, wherein the diameter of the positioning shaft is not less than that of the rotating shaft;
inserting the positioning shafts into all the shaft hole groups;
connecting the rotary hinged support with the rotary section of the steel tower, and connecting the fixed hinged support with the fixed section of the steel tower;
and replacing the positioning shaft with the rotating shaft.
In some embodiments, replacing the positioning shaft with the rotating shaft comprises the following steps:
removing the positioning shaft;
and penetrating the rotating shaft into all the shaft hole groups.
In some embodiments, replacing the positioning shaft with the rotating shaft comprises the following steps:
moving the positioning shaft outwards for a distance to release the plurality of shaft hole groups;
inserting the rotating shaft into the released shaft hole group;
and repeating the steps until the positioning shaft is completely separated and the rotating shaft penetrates through all the shaft hole groups.
The beneficial effect that technical scheme that this application provided brought includes: the rotating shaft is prevented from being damaged in the welding process of the rotating hinged support and the fixed hinged support, and the rotating shaft can be quickly and smoothly inserted into all shaft hole groups to realize the connection of all hinged support components.
The embodiment of the application provides a vertical rotating device of a steel tower and a positioning and installing method thereof, wherein a rotating hinged support is connected with a rotating section of the steel tower, and a fixed hinged support is connected with a fixed section of the steel tower, so that the rotating hinged support and the fixed hinged support are deformed, and an overlapping area with the diameter smaller than that of a first shaft hole and that of a second shaft hole can be formed between the first shaft hole and the second shaft hole of each group of shaft hole groups. The rotating shaft is prevented from being damaged in the welding process of the rotating hinged support and the fixed hinged support, and the rotating shaft can be quickly and smoothly inserted into all shaft hole groups to realize the connection of all hinged support components.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of a steel tower vertical swivel device provided in an embodiment of the present application before a steel tower swivels;
fig. 2 is a schematic diagram of a steel tower vertical swivel device provided in an embodiment of the present application after the steel tower is swiveled;
FIG. 3 is a schematic structural view of a fixed hinge base and a fixed segment of a steel tower;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
FIG. 5 is a sectional view taken along line B-B of FIG. 3;
FIG. 6 is a schematic structural view of a rotating hinge base and a rotating section of a steel tower;
FIG. 7 is a sectional view taken along line C-C of FIG. 6;
FIG. 8 is a cross-sectional view taken along line D-D of FIG. 6;
FIG. 9 is a schematic view of the positioning shaft;
FIG. 10 is a sectional view taken along line E-E of FIG. 9;
FIG. 11 is a schematic view of a positioning space;
FIG. 12 is a schematic view of the structure of the spindle;
fig. 13 is a sectional view taken along the direction F-F of fig. 12.
In the figure: 1-a steel tower, 10-a steel tower rotating section, 11-a steel tower fixing section, 2-a hinged support assembly, 20-a rotating hinged support, 200-a first shaft hole, 21-a fixing hinged support, 210-a second shaft hole, 3-a positioning space, 4-a positioning shaft, 5-a rotating shaft, 50-a limiting groove, 6-a limiting mechanism, 60-a limiting ring and 61-a stopping piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. 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 application.
The embodiment of the application provides a vertical rotating device of a steel tower and a positioning and mounting method thereof, which can solve the problem that a rotating shaft needs to be positioned and mounted in a rotating shaft hole only by consuming longer time in the related technology.
Example 1:
referring to fig. 1 and 2, a steel tower 1 of embodiment 1 of the present application includes a steel tower rotating section 10 and a steel tower fixing section 11, the steel tower fixing section 11 is fixed on a base, and the rotation of the steel tower rotating section 10 to be in butt joint with the steel tower fixing section 11 and form the steel tower 1 is realized by a swivel device of the present application. Referring to fig. 3 to 8, the swivel device of the embodiment of the present application includes at least two sets of hinged support assemblies 2, when in use, all the hinged support assemblies 2 are arranged side by side at intervals, each hinged support assembly 2 includes a rotating hinged support 20, a fixed hinged support 21 and a shaft hole set, the rotating hinged support 20 is used for connecting with the rotating section 10 of the steel tower, and the fixed hinged support 21 is used for connecting with the fixed section 11 of the steel tower; the shaft hole group is including offering the first shaft hole 200 on steel tower rotation section 10 to and offering the second shaft hole 210 on steel tower fixed section 11, second shaft hole 210 and first shaft hole 200 looks adaptation. Referring to fig. 9 to 11, the swivel device of the embodiment of the present application further includes a positioning shaft 4 and a rotating shaft 5, and the positioning shaft 4 is configured to be inserted into all the shaft hole sets to connect all the hinge base assemblies 2 side by side, where all the shaft hole sets are disposed coaxially with the positioning shaft 4. When the positioning shaft 4 is inserted into all the shaft hole groups, the rotating hinged support 20 is connected with the rotating section 10 of the steel tower, and the fixed hinged support 21 is connected with the fixed section 11 of the steel tower, the rotating hinged support 20 and the fixed hinged support 21 can deform to different degrees, an overlapping area with a diameter smaller than that of the first shaft hole 200 and that of the second shaft hole 210 can be formed between the first shaft hole 200 and the second shaft hole 210 of each shaft hole group, the positioning shaft 4 is inserted into all the overlapping areas, a positioning space 3 is formed in a space where the positioning shaft 4 is located, the overlapping area is also located in the positioning space 3, and the positioning space 3 is a space which is formed after the rotating hinged support 20 and the fixed hinged support 21 deform and does not change any more, so long as the shaft with a diameter not larger than the positioning shaft 4 can be inserted into the positioning space 3 to connect all the hinged support assemblies 2 together. Therefore, after the diameter of the rotating shaft 5 is determined, the positioning shaft 4 with the diameter not smaller than that of the rotating shaft 5 is selected to be inserted into all shaft hole groups in advance, so that the diameter of the cross section of the positioning space 3 formed by the positioning shaft 4 is not smaller than that of the rotating shaft 5, the rotating shaft 5 can smoothly penetrate into the positioning space 3 to replace the positioning shaft 4, the rotating hinged support 20 can rotate around the rotating shaft 5 in a vertical plane, the vertical rotation of the steel tower 1 is realized, and the butt joint of the steel tower rotating section 10 and the steel tower fixing section 11 is completed.
The action principle of the swivel device of embodiment 1 of the application is as follows:
because the rotary hinged support 20 is connected with the steel tower rotary section 10, and the fixed hinged support 21 is connected with the steel tower fixed section 11, the rotary hinged support 20 and the fixed hinged support 21 are deformed, so that an overlapping area with a diameter smaller than that of the first shaft hole 200 and that of the second shaft hole 210 can be formed between the first shaft hole 200 and the second shaft hole 210 of each group of shaft hole groups, and in the embodiment 1 of the present application, a positioning shaft 4 is inserted into all shaft hole groups in advance to connect all hinged support assemblies 2, so that the positioning shaft 4 penetrates through all the overlapping areas, and a positioning space 3 with a constant diameter is formed in a space where the positioning shaft 4 is located, so that a rotating shaft 5 with a diameter smaller than or equal to that of the positioning shaft 4 can smoothly penetrate into the positioning space 3 to replace the positioning shaft 4, and the rotary hinged support 20 can rotate around the rotating shaft 5 in a vertical plane, thereby realizing vertical rotation of the steel tower 1. In the embodiment 1 of the present application, the rotating shaft 5 is prevented from being damaged in the welding process of the rotating hinged support 20 and the fixed hinged support 21, and the rotating shaft 5 can be rapidly and smoothly inserted into all the shaft hole groups, so that all the hinged support assemblies 2 are connected.
Optionally, as shown in fig. 12 and 13, the swivel device further includes a limiting mechanism 6, and when the rotating shaft 5 penetrates through the positioning space 3, the limiting mechanism 6 is disposed on the rotating shaft 5 and is used for limiting the rotating shaft 5 to move along its own axis, so as to prevent the rotating shaft 5 from separating from the shaft hole group and affecting the swivel of the steel tower 1.
Preferably, as shown in fig. 12 and 13, two limiting grooves 50 are formed on the wall surfaces of the two ends of the rotating shaft 5; the limiting mechanism 6 comprises two limiting rings 60 and two abutting pieces 61, the two limiting rings 60 are respectively sleeved at two ends of the rotating shaft 5, and the two limiting rings 60 are positioned between the two limiting grooves 50; the stop member 61 is held in the position-limiting groove 50 and pressed against the position-limiting ring 60 to limit the position-limiting ring 60 from moving along the axis of the rotating shaft 5. The retainer ring 60 is pressed against the outermost one of all the hinge assemblies 2, thereby restricting the movement of the rotation shaft 5 along its axis.
Preferably, as shown in fig. 12 and 13, the stop piece 61 is connected with the limiting ring 60 by a screw. The stop piece 61 is fixedly connected with the limit ring 60 to prevent the limit ring 60 from rotating around the axis of the rotating shaft 5.
Optionally, the diameters of the first shaft hole 200 and the second shaft hole 210 are both 2mm larger than the diameter of the positioning shaft 4, so that the positioning shaft 4 can be smoothly separated from the positioning space 3 after the rotating hinge base 20 and the fixed hinge base 21 are deformed. And the diameter of the positioning shaft 4 is 1mm larger than that of the rotating shaft 5, so that the rotating shaft 5 can be smoothly inserted into the positioning space 3 after the positioning shaft 4 is conveniently separated from the shaft hole group.
Optionally, the swivel device comprises two sets of hinged support assemblies 2, and the two sets of hinged support assemblies 2 are arranged to ensure stability of the steel tower 1 in the swivel process due to the fact that the steel tower 1 is heavy.
Example 2:
the embodiment 2 of the application provides a positioning and mounting method of a vertical rotating device of a steel tower, the steel tower 1 comprises a rotating section 10 of the steel tower and a fixing section 11 of the steel tower, the rotating device comprises a rotating shaft 5 and at least two groups of hinged support assemblies 2, each hinged support assembly 2 comprises a rotating hinged support 20, a fixing hinged support 21 and a shaft hole group, each shaft hole group comprises a first shaft hole 200 arranged on the rotating section 10 of the steel tower and a second shaft hole 210 arranged on the fixing section 11 of the steel tower, and the second shaft holes 210 are matched with the first shaft holes 200.
The positioning and mounting method comprises the following steps:
s1: providing a positioning shaft 4, wherein the diameter of the positioning shaft 4 is not less than that of the rotating shaft 5, so as to ensure that the positioning shaft 4 can penetrate into the shaft hole and the rotating shaft 5 can also penetrate into the shaft hole;
s2: inserting the positioning shaft 4 into all the shaft hole groups;
s3: connecting a rotating hinged support 20 with a rotating section 10 of the steel tower, connecting a fixed hinged support 21 with a fixed section 11 of the steel tower, and enabling the rotating hinged support 20 and the fixed hinged support 21 to deform, so that an overlapping area with the diameter smaller than that of a first shaft hole 200 and that of a second shaft hole 210 can be formed between the first shaft hole 200 and the second shaft hole 210 of each group of shaft hole groups, and a positioning space 3 with the diameter unchanged is formed in a space where a positioning shaft 4 is located, so that a rotating shaft 5 with the diameter smaller than that of the positioning shaft 4 can smoothly penetrate into the positioning space 3 to replace the positioning shaft 4;
s4: the positioning shaft 4 is replaced by a rotating shaft 5.
The positioning and mounting method of the steel tower vertical rotating body device in embodiment 2 of the application not only prevents the rotating shaft 5 from being damaged in the welding process of the rotating hinged support 20 and the fixed hinged support 21, but also can quickly and smoothly insert the rotating shaft 5 into all shaft hole groups, thereby realizing the connection of all hinge support assemblies 2.
Optionally, the step S4 of replacing the positioning shaft 4 with the rotating shaft 5 includes the following steps:
s4-1: removing the positioning shaft 4;
s4-2: the rotary shaft 5 is inserted into all the shaft hole groups.
After this application embodiment 2 demolishs location axle 4 completely, installs pivot 5 again, is suitable for the little condition of rotation free bearing 20 and fixed free bearing 21 deformation degree, demolishs location axle 4 after, rotates free bearing 20 and fixed free bearing 21 and can not continue to warp again, and the size of location space 3 no longer changes, can directly run through into in the location space 3 with pivot 5.
Optionally, the step S4 of replacing the positioning shaft 4 with the rotating shaft 5 includes the following steps:
s4-1: moving the positioning shaft 4 outwards for a certain distance to release the plurality of shaft hole groups;
s4-2: inserting the rotating shaft 5 into the released shaft hole group;
s4-3: and repeating the steps until the positioning shaft 4 is completely separated and the rotating shaft 5 penetrates through all the shaft hole groups.
This application embodiment 2 penetrates pivot 5 when pulling out location axle 4, is suitable for the big condition of rotation free bearing 20 and fixed free bearing 21 deformation degree, can avoid location axle 4 once only to break away from the back completely, rotates free bearing 20 and fixed free bearing 21 atress unstability, leads to rotating free bearing 20 and fixed free bearing 21 probably to continue to warp to influence the size of location space 3, the problem that pivot 5 can't wear to insert in location space 3 finally probably appears. Therefore, this phenomenon can be prevented by this method.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be 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 meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A steel tower vertical swivel device, the steel tower (1) comprising a steel tower turning segment (10) and a steel tower fixation segment (11), characterized in that the swivel device comprises:
at least two sets of free bearing assemblies (2), free bearing assemblies (2) include:
-a swivel hinge mount (20) for connection with the steel tower swivel segment (10);
-a fixed hinge base (21) for connection with the steel tower fixed section (11);
-a shaft hole set comprising a first shaft hole (200) opened on the steel tower rotating segment (10) and a second shaft hole (210) opened on the steel tower fixing segment (11), wherein the second shaft hole (210) is matched with the first shaft hole (200);
the positioning shaft (4) is used for being inserted into all the shaft hole groups, when the positioning shaft (4) is inserted into all the shaft hole groups, the rotating hinged support (20) is connected with the steel tower rotating section (10), and the fixed hinged support (21) is connected with the steel tower fixed section (11), a positioning space (3) is formed in a space where the positioning shaft (4) is located;
the diameter of the rotating shaft (5) is not larger than that of the positioning shaft (4), and the rotating shaft (5) is used for penetrating through the positioning space (3) so that the rotating hinged support (20) can rotate around the rotating shaft (5) in a vertical plane.
2. The steel tower vertical swivel device according to claim 1, further comprising a limiting mechanism (6), wherein when the rotating shaft (5) penetrates through the positioning space (3), the limiting mechanism (6) is assembled on the rotating shaft (5) and used for limiting the rotating shaft (5) to move along the axis of the rotating shaft (5).
3. The steel tower vertical swivel device according to claim 2, wherein the wall surfaces at both ends of the rotating shaft (5) are recessed to form two limiting grooves (50); the limiting mechanism (6) comprises:
the two limiting rings (60) are respectively sleeved at two ends of the rotating shaft (5);
the two abutting pieces (61) are clamped in the limiting groove (50) and pressed on the limiting ring (60) so as to limit the limiting ring (60) to move along the axis of the rotating shaft (5).
4. A steel tower vertical swivel arrangement according to claim 3, wherein the stop (61) is screwed to the stop ring (60).
5. A steel tower vertical swivel arrangement according to claim 1, wherein the diameter of the first shaft hole (200) and the second shaft hole (210) are each 2mm larger than the diameter of the positioning shaft (4).
6. A steel tower vertical swivel arrangement according to claim 1, characterized in that the diameter of the positioning shaft (4) is 1mm larger than the diameter of the rotating shaft (5).
7. A steel tower vertical swivel arrangement according to claim 1, characterized in that the swivel arrangement comprises two sets of hinged assemblies (2).
8. A positioning and mounting method of a vertical swivel device of a steel tower is characterized in that the swivel device comprises a rotating section (10) of the steel tower and a fixing section (11) of the steel tower, the swivel device comprises a rotating shaft (5) and at least two groups of hinged support assemblies (2), each hinged support assembly (2) comprises a rotating hinged support (20), a fixing hinged support (21) and a shaft hole group, each shaft hole group comprises a first shaft hole (200) formed in the rotating section (10) of the steel tower and a second shaft hole (210) formed in the fixing section (11) of the steel tower, and the second shaft hole (210) is matched with the first shaft hole (200);
the positioning and mounting method comprises the following steps:
providing a positioning shaft (4), wherein the diameter of the positioning shaft (4) is not less than that of the rotating shaft (5);
inserting the positioning shaft (4) into all the shaft hole groups;
connecting the rotary hinged support (20) with the steel tower rotary section (10), and connecting the fixed hinged support (21) with the steel tower fixed section (11);
and replacing the positioning shaft (4) with the rotating shaft (5).
9. The positioning and mounting method according to claim 8, wherein replacing the positioning shaft (4) with the rotating shaft (5) comprises the steps of:
removing the positioning shaft (4);
and penetrating the rotating shaft (5) into all the shaft hole groups.
10. The positioning and mounting method according to claim 8, wherein replacing the positioning shaft (4) with the rotating shaft (5) comprises the steps of:
moving the positioning shaft (4) outwards for a distance to release the plurality of shaft hole groups;
inserting the rotating shaft (5) into the released shaft hole group;
and repeating the steps until the positioning shaft (4) is completely separated and the rotating shaft (5) penetrates through all the shaft hole groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010350849.7A CN111395202A (en) | 2020-04-28 | 2020-04-28 | Vertical rotating device of steel tower and positioning and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010350849.7A CN111395202A (en) | 2020-04-28 | 2020-04-28 | Vertical rotating device of steel tower and positioning and mounting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111395202A true CN111395202A (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010350849.7A Pending CN111395202A (en) | 2020-04-28 | 2020-04-28 | Vertical rotating device of steel tower and positioning and mounting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111395202A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523108A (en) * | 2020-11-24 | 2021-03-19 | 中铁大桥局集团有限公司 | Combined rotating hinge of vertical rotating body |
| CN113020833A (en) * | 2021-03-30 | 2021-06-25 | 广州文冲船厂有限责任公司 | Method for mounting reamer beam for dredger |
-
2020
- 2020-04-28 CN CN202010350849.7A patent/CN111395202A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523108A (en) * | 2020-11-24 | 2021-03-19 | 中铁大桥局集团有限公司 | Combined rotating hinge of vertical rotating body |
| CN113020833A (en) * | 2021-03-30 | 2021-06-25 | 广州文冲船厂有限责任公司 | Method for mounting reamer beam for dredger |
| CN113020833B (en) * | 2021-03-30 | 2022-11-29 | 广州文冲船厂有限责任公司 | Method for mounting reamer beam for dredger |
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