Hyperbolic paraboloid steel tower column guiding and positioning device and construction method thereof

Abstract

Provided is a hyperbolic parabola steel tower column guiding and positioning device and a construction method thereof, the steps are as follows: pre-assembly - drawing positioning lines I and II - welding double-slope guide plates and vertical plates - welding flat support plates - welding wedge-shaped stoppers - hoisting the upper segment above the lower segment and making one side of the double-slope guide plate closely fit with the double-slope vertical plate on the same side - descending and sliding - the bottom end of the double-slope guide plate contacts and presses against the upper end surface of the flat support plate - welding the joints I and II of the upper and lower segments, and completing the guiding, positioning and welding of the upper and lower segments of the steel tower column. The double-slope guide plates and vertical plates of the present invention are centered in the horizontal direction, the flat support plates are positioned in the upper limit direction of the vertical insertion depth, and the wedge-shaped stoppers are positioned in the upper limit direction of the thickness. The upper and lower segments of the steel tower column are positioned and limited from three vertical directions in three-dimensional space, respectively, to ensure the linear accuracy of the upper and lower segments of the steel tower column when they are assembled and matched, reduce the difficulty of positioning, and improve the efficiency of on-site construction.

Description

Technical Field

[0001] The invention belongs to the technical field of fixing building bridge parts, and in particular relates to a hyperbolic paraboloid steel tower column guiding and positioning device and a construction method thereof. Background Art

[0002] With the improvement of my country's comprehensive strength, people's growing needs for a better life have gradually become prominent. In order to meet people's growing spiritual and cultural needs, steel bridge construction is also developing in a diversified and natural landscape direction, and many landscape bridges with unique shapes have been presented. The structural lines of landscape bridges are also increasingly tending to complex spatial curve designs, especially in the curve design of steel tower columns, which has been sublimated from two-dimensional plane structure design to three-dimensional space structure design, which puts higher requirements on the manufacture of steel tower column structures.

[0003] Regarding the construction of steel tower columns of three-dimensional curved space structures, at present, domestic construction is still in the exploratory stage. There are no perfect measures for the on-site hoisting and welding installation of spatial curved steel tower columns, especially the precision control requirements of hoisting and welding. Therefore, how to ensure the more convenient, safe and reliable construction of spatial curved steel tower columns, while meeting the installation line accuracy requirements to meet the design specification requirements, in this regard, the following technical solutions are proposed. Summary of the invention

[0004] The technical problem solved by the present invention is as follows: a guiding and positioning device for a hyperbolic paraboloid steel tower column and a construction method thereof are provided, wherein a double-sloped vertical plate and a double-sloped guide plate are adopted, and the difficulty of construction positioning and centering is reduced by the inclined surfaces respectively provided on the vertical plate and the guide plate, and the process of the guide plate sliding down along the inclined surface of the vertical plate is the process of gradually realizing the horizontal centering and positioning; the horizontal support plate and the wedge-shaped stop block are combined to respectively realize the limitation in the depth and thickness directions, thereby solving the technical problems that the on-site construction hoisting and positioning of the curved steel tower column is difficult, the multi-directional limiting positioning in three-dimensional space cannot be realized, and the linear positioning accuracy cannot be guaranteed.

[0005] The technical solution adopted by the present invention is a construction method of a hyperbolic paraboloid steel tower column guiding and positioning device, which is characterized by comprising the following steps:

[0006] S001. Pre-assemble the upper and lower sections of the steel tower column;

[0007] S002. Based on the pre-assembly results of the upper and lower segments of the steel tower column, use a marking pen to draw the double-slope guide plate installation positioning line I on the upper segment of the steel tower column according to the left and right width d; use a marking pen to draw the double-slope vertical plate installation positioning line II on the lower segment of the steel tower column according to the left and right width D;

[0008] S003. According to the positioning line Ⅰ, the double-slope guide plate is parallelly welded to the upper segment interface wall plate Ⅰ of the steel tower column with the joint Ⅰ of the upper segment 1 of the steel tower column as the boundary; the guide slope surface Ⅰ of the double-slope guide plate is vertically downward and outward and symmetrically arranged on the left and right axes; the avoidance slope surface Ⅰ of the double-slope guide plate is vertically downward and facing the upper segment of the steel tower column; the center of the through-welding hole Ⅰ of the double-slope guide plate falls on the joint Ⅰ of the upper segment 1 of the steel tower column;

[0009] S004. According to the positioning line II, the double-slope vertical plate is parallelly welded to the interface wall plate II of the lower segment of the steel tower column with the joint II of the lower segment of the steel tower column as the boundary; the guide slope surface II of the double-slope vertical plate is vertically upward and inwardly symmetrically arranged on the left and right axes; the avoidance slope surface II of the double-slope vertical plate is vertically upward and facing the lower segment of the steel tower column; the center of the through-welding hole II of the double-slope vertical plate falls on the joint II of the lower segment of the steel tower column;

[0010] S005. Horizontally weld a flat support plate between the inner bottom of the double-slope vertical plate. The left and right length L of the flat support plate is equal to the left and right width D of the double-slope vertical plate. The longitudinal depth H of the flat support plate from the joint II of the lower segment of the steel tower column is equal to the longitudinal depth h of the avoidance slope surface I of the double-slope guide plate from the joint I of the upper segment 1 of the steel tower column.

[0011] S006. Weld and fix a wedge-shaped stopper on the outer side of the horizontal support plate, with the wedge-shaped inclined surface of the wedge-shaped stopper inclined downward and toward the lower segment of the steel tower column;

[0012] S007. Hoist the pre-assembled upper section of the steel tower column above the lower section of the steel tower column, and during the descent of the upper section of the steel tower column, make one side of the double-slope guide plate of the upper section of the steel tower column closely fit with the double-slope vertical plate on the same side of the lower section of the steel tower column;

[0013] S008, the upper section of the steel tower column slides downward along the double-sloped vertical plate of the lower section of the steel tower column;

[0014] S009, the upper section of the steel tower column slides downward on one side along the double-sloped vertical plate of the lower section of the steel tower column, and gradually changes to the upper section of the steel tower column slides downward on both sides along the double-sloped vertical plate of the lower section of the steel tower column, until the bottom end of the double-sloped guide plate of the upper section of the steel tower column contacts and tightens against the upper end surface of the flat support plate;

[0015] S010. Weld the joint I of the upper segment of the steel tower column and the joint II of the lower segment of the steel tower column together to complete the guided positioning welding of the upper and lower segments of the hyperbolic paraboloid steel tower column.

[0016] It also includes a hyperbolic parabola steel tower column guiding and positioning device used in the construction method of the hyperbolic parabola steel tower column guiding and positioning device, including an upper section of a steel tower column and a lower section of a steel tower column, characterized in that: a double-slope guide plate is installed at the lower end joint I of the upper section of the steel tower column; a double-slope vertical plate is installed at the upper end joint II of the lower section of the steel tower column; the double-slope guide plate and the double-slope vertical plate guide and position the horizontal position of the upper and lower sections of the steel tower column; a flat support plate is installed at the bottom between the double-slope vertical plates, and the flat support plate limits the longitudinal depth of the upper and lower sections of the steel tower column; a wedge-shaped stop block is installed on the outer side of the flat support plate, and the wedge-shaped stop block limits the positioning of the upper and lower sections of the steel tower column along the thickness direction.

[0017] In the above technical scheme, further: the double-slope guide plate is welded in parallel at the upper segment interface wall plate Ⅰ of the steel tower column with vertical intervals on the left and right sides, with the upper segment joint Ⅰ of the steel tower column as the boundary; the lower end of the double-slope guide plate is formed with a guide slope surface Ⅰ; the guide slope surface Ⅰ is vertically downward and outward and symmetrically arranged on the left and right axes; the lower end of the double-slope guide plate is formed with an avoidance slope surface Ⅰ; the avoidance slope surface Ⅰ is vertically downward facing the upper segment of the steel tower column; the avoidance slope surface Ⅰ is formed with a through-welding hole Ⅰ; the center of the through-welding hole Ⅰ falls on the upper segment joint Ⅰ of the steel tower column.

[0018] In the above technical scheme, further: the double-slope vertical plate is welded in parallel at the interface wall plate Ⅱ of the lower segment of the steel tower column with left and right vertical intervals with the joint Ⅱ of the lower segment of the steel tower column as the boundary; the top of the double-slope vertical plate is formed with a guide slope surface Ⅱ; the guide slope surface Ⅱ is vertically upward and inward and symmetrically arranged on the left and right axes; the top of the double-slope vertical plate is formed with an avoidance slope surface Ⅱ; the avoidance slope surface Ⅱ is vertically upward and facing the lower segment of the steel tower column; the avoidance slope surface Ⅱ is formed with a through-welding hole Ⅱ; the center of the through-welding hole Ⅱ falls on the joint Ⅱ of the lower segment of the steel tower column.

[0019] In the above technical solution, further: the left and right length L of the horizontal support plate is equal to the left and right width D of the double-slope vertical plate; the lower end of the double-slope guide plate is inclined toward the upper segment of the steel tower column and is formed with an avoidance slope surface Ⅰ; the longitudinal depth H of the horizontal support plate from the upper end joint Ⅱ of the lower segment of the steel tower column is equal to the longitudinal depth h of the avoidance slope surface Ⅰ of the double-slope guide plate from the lower end joint Ⅰ of the upper segment of the steel tower column.

[0020] In the above technical solution, further: the wedge-shaped inclined surface of the wedge-shaped stopper is arranged obliquely downward and toward the lower segment of the steel tower column; when the upper segment of the steel tower column and the lower segment of the steel tower column are matched, the outer side of the bottom end of the double-slope guide plate just rests against the inner root of the bottom end of the wedge-shaped inclined surface of the wedge-shaped stopper.

[0021] In the above technical scheme, further: the outer side of the lower end of the double-slope guide plate is provided with a left-right symmetrical guide slope surface I; the inner side of the top end of the double-slope vertical plate is provided with a left-right symmetrical guide slope surface II; the slope of the guide slope surface I and the guide slope surface II is 1:10; the slope surface roughness of the guide slope surface I and the guide slope surface II is less than or equal to 12.5μm.

[0022] In the above technical solution, further: the lower end of the double-slope guide plate is inclined toward the upper section of the steel tower column and is formed with an avoidance slope surface I; the upper end of the double-slope vertical plate is inclined toward the lower section of the steel tower column and is formed with an avoidance slope surface II; the slopes of the avoidance slope surface I and the avoidance slope surface II are 1:30 respectively.

[0023] In the above technical solution, further: the avoidance slope surface I is provided with a welding hole I at the upper segment joint I of the steel tower column; the avoidance slope surface 1 is provided with a welding hole II at the lower segment joint II of the steel tower column; the radius of the welding hole I and the welding hole II is greater than or equal to 20 mm.

[0024] The advantages of the present invention compared with the prior art are:

[0025] 1. When the upper and lower segments of the steel tower column of the present invention are assembled, the double-slope guide plate and the double-slope vertical plate guide and center the upper and lower segments in the horizontal direction, the flat support plate limits the upper and lower segments in the vertical insertion depth direction, and the wedge-shaped stopper limits the upper and lower segments in the thickness direction. The upper and lower segments of the steel tower column are respectively limited and positioned in three vertical directions in three-dimensional space, thereby ensuring the linear accuracy of the upper and lower segments of the steel tower column when assembled and matched, reducing the difficulty of positioning, and improving the efficiency of on-site construction.

[0026] 2. The invention is easy and convenient to manufacture, install, use and disassemble, has a simple structure, is safe and reliable, is convenient and easy to use, and has strong practicality.

[0027] 3. The slope of the guide slope surfaces I and II of the present invention is 1:10, and the roughness is less than or equal to 12.5 μm, which ensures that the double-slope guide plate vertical plate and the double-slope vertical plate can slide smoothly and reduce the difficulty of centering.

[0028] 4. The slopes of the avoidance slopes I and II of the present invention are 1:30, which ensures that when the upper and lower segments of the steel tower column are installed and positioned, the double-slope guide plates and the double-slope vertical plates do not interfere with or collide with the wall panels of the upper segment of the steel tower column, thereby achieving rapid positioning.

[0029] 5. The upper and lower sections of the steel tower column of the present invention are provided with avoidance slope surfaces Ⅰ and Ⅱ respectively with welding holes Ⅰ and Ⅱ, so as to ensure that sufficient space is reserved when welding the joints Ⅰ and Ⅱ of the upper and lower sections of the steel tower column.

[0030] 6. The present invention appropriately adjusts the slope surface of the double-slope vertical plate and the double-slope guide plate in the plate width direction, and after the double-slope vertical plate and the double-slope guide plate are parallelly fixed to the upper and lower sections of the steel tower column, it can be used for the guiding and positioning construction of various complex inclined curved steel tower columns; the plate thickness difference formed by the double-slope vertical plate and the double-slope guide plate can also be used to achieve the purpose of adjustment and trimming within a certain range. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is the front view of the present invention after assembly;

[0032] Figure 2 For the present invention Figure 1 Side view after assembly;

[0033] Figure 3 This is the front view of the guide positioning before the assembly of the present invention;

[0034] Figure 4 For the present invention Figure 3 Side view of the guide positioning before assembly;

[0035] Figure 5 It is a schematic diagram of an application embodiment of the present invention;

[0036] Figure 6 It is a schematic diagram of the limiting dimensions of the present invention;

[0037] Figure 7 For the present invention Figure 6 Side view of limit dimensions;

[0038] Figure 8a This is a schematic diagram of the state in which the upper section of the steel tower column is hoisted above the lower section of the steel tower column in step S007 of the present invention;

[0039] Figure 8b This is a schematic diagram of the state in which the double-slope guide plate on one side and the double-slope vertical plate on one side are closely fitted in step S007 of the present invention;

[0040] Figure 8c This is a state diagram of step S008 of the present invention;

[0041] Figure 8d This is a state diagram of step S009 of the present invention;

[0042] In the figure: 1-upper section of steel tower column, 2-lower section of steel tower column, 3-double-slope guide plate, 4-double-slope vertical plate, 5-joint I, 6-guide slope surface I, 7-avoidance slope surface I, 8-through welding hole I, 9-joint II, 10-guide slope surface II, 11-avoidance slope surface II, 12-through welding hole II, 13-flat support plate, 14-wedge-shaped stopper. DETAILED DESCRIPTION

[0043] The following will be combined with the attached embodiment of the present invention Figure 1 -8, clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] The construction method of the hyperbolic parabola steel tower column guiding and positioning device is characterized by comprising the following steps:

[0045] (like Figure 1 )S001. Pre-assemble the upper and lower sections 1 and 2 of the steel tower column on the ground; pre-assembly on the ground is safer and more convenient to operate than pre-assembly in the air.

[0046] S002. According to the pre-assembly results of the upper and lower segments 1 and 2 of the steel tower column, the upper segment 1 of the steel tower column is assembled according to the left and right width d (combined with Figure 6 ) Use a marking pen to draw the installation positioning line I of the double-slope guide plate 3. Use a marking pen to draw the installation positioning line II of the double-slope vertical plate 4 on the lower segment 2 of the steel tower column according to the left and right width D. Positioning lines I and II are drawn vertically. Position the vertical inner sides of the double-slope guide plate 3 and the double-slope vertical plate 4 respectively.

[0047] S003, according to the positioning line Ⅰ, the double-slope guide plate 3 is parallelly welded to the interface wall plate Ⅰ of the upper segment 1 of the steel tower column with the seam Ⅰ5 of the upper segment 1 of the steel tower column as the boundary; the guide slope surface Ⅰ6 of the double-slope guide plate 3 is vertically downward and outward and arranged symmetrically on the left and right axes (such as Figure 3 ); the avoidance slope surface Ⅰ7 of the double-slope guide plate 3 is vertically arranged downwardly facing the upper segment 1 of the steel tower column; the center of the through-welding hole Ⅰ8 of the double-slope guide plate 3 falls on the joint Ⅰ5 of the upper segment 1 of the steel tower column (such as Figure 4 The guiding slope surface Ⅰ6 of the double-slope guide plate 3 is used for guiding and centering the upper segment 1 of the steel tower column relative to the lower segment 2 of the steel tower column in the horizontal direction.

[0048] S004. According to the positioning line II, the double-slope vertical plate 4 is parallelly welded to the interface wall plate II of the lower segment 2 of the steel tower column with the seam II9 of the lower segment 2 of the steel tower column as the boundary; the guide slope surface II10 of the double-slope vertical plate 4 is vertically upward and inwardly symmetrically arranged on the left and right axes (such as Figure 3 ); make the avoidance slope surface Ⅱ11 of the double-slope vertical plate 4 vertically face upward and set at the lower section 2 of the steel tower column; make the center of the welding hole Ⅱ12 of the double-slope vertical plate 4 fall at the joint Ⅱ9 of the lower section 2 of the steel tower column (such as Figure 4 The guide slope surface II10 of the double-slope vertical plate 4 is used for guiding and positioning the upper segment 1 of the steel tower column relative to the lower segment 2 of the steel tower column in the horizontal direction.

[0049] S005, horizontally weld the flat support plate 13 (such as Figures 1 to 4 ), the length L of the horizontal support plate 13 is equal to the width D of the double inclined vertical plate 4 (combined with Figure 6 ); the longitudinal depth H of the horizontal support plate 13 from the joint Ⅱ9 of the lower segment 2 of the steel tower column is equal to the longitudinal depth h of the double-slope guide plate 3 to avoid the slope surface Ⅰ7 from the upper segment 1 of the steel tower column Ⅰ5 (combined Figure 6 , Figure 7 ); The horizontal support plate 13 is used to limit the longitudinal depth position of the upper section 1 of the steel tower column relative to the lower section 2 of the steel tower column.

[0050] S006. A wedge-shaped stopper 14 is welded and fixed on the outside of the horizontal support plate 13. The wedge-shaped inclined surface of the wedge-shaped stopper 14 is inclined downward and is arranged toward the lower segment 2 of the steel tower column. The wedge-shaped stopper 14 is used for limiting the positioning of the upper segment 1 of the steel tower column relative to the lower segment 2 of the steel tower column in the thickness direction.

[0051] S007. Lift the pre-assembled upper section 1 of the steel tower column to the top of the lower section 2 of the steel tower column (such as Figure 8a As shown), during the descent of the upper segment 1 of the steel tower column, the double-slope guide plate 3 on one side, i.e., the left side, of the upper segment 1 of the steel tower column is closely fitted with the double-slope vertical plate 4 on the same side, i.e., the left side, of the lower segment 2 of the steel tower column (as shown in FIG. Figure 8b shown);

[0052] S008, the upper section 1 of the steel tower column slides downward along the double-sloped vertical plate 4 of the lower section 2 of the steel tower column (such as Figure 8c shown);

[0053] S009, the upper section 1 of the steel tower column slides downward on one side along the double-slope vertical plate 4 of the lower section 2 of the steel tower column, and gradually changes to the upper section 1 of the steel tower column slides downward on both sides along the double-slope vertical plate 4 of the lower section 2 of the steel tower column, until the bottom end of the double-slope guide plate 3 of the upper section 1 of the steel tower column contacts and presses against the upper end surface of the flat support plate 13 (such as Figure 8d shown);

[0054] S010. Weld the joint I5 of the upper segment 1 of the steel tower column and the joint II9 of the lower segment 2 of the steel tower column into one, and complete the guided positioning welding of the upper and lower segments 1 and 2 of the hyperbolic paraboloid steel tower column.

[0055] (like Figures 1 to 4 ) also includes a hyperbolic parabola steel tower column guiding and positioning device used in a construction method of a hyperbolic parabola steel tower column guiding and positioning device, including an upper steel tower column segment 1 and a lower steel tower column segment 2.

[0056] The double-slope guide plate 3 is installed at the lower end joint Ⅰ5 of the upper segment 1 of the steel tower column. In the above embodiment, further: the double-slope guide plate 3 is welded parallel to the interface wall plate Ⅰ of the upper segment 1 of the steel tower column with the joint Ⅰ5 of the upper segment 1 of the steel tower column at a vertical interval on the left and right.

[0057] The upper end joint II9 of the lower section 2 of the steel tower column is provided with a double-slope vertical plate 4. In the above embodiment, further: the double-slope vertical plate 4 is parallelly welded at the interface wall plate II of the lower section 2 of the steel tower column with the joint II9 of the lower section 2 of the steel tower column as the boundary.

[0058] The double-slope guide plate 3 and the double-slope vertical plate 4 guide and locate the horizontal positions of the upper and lower sections of the steel tower column. The double-slope guide plate 3 and the double-slope vertical plate 4 are used for guiding and centering positioning.

[0059] A flat support plate 13 is installed at the bottom between the double-slope vertical plates 4. The flat support plate 13 limits the longitudinal depth of the upper and lower sections of the steel tower column. In the above embodiment, further: the left and right length L of the flat support plate 13 is equal to the left and right width D of the double-slope vertical plates 4. The longitudinal depth H of the flat support plate 13 from the upper end joint II9 of the lower section 2 of the steel tower column is equal to the longitudinal depth h of the avoidance slope surface I7 of the double-slope guide plate 3 from the lower end joint I5 of the upper section 1 of the steel tower column.

[0060] A wedge-shaped stopper 14 is installed on the outside of the horizontal support plate 13, and the wedge-shaped stopper 14 limits the positioning of the upper and lower segments of the steel tower column in the thickness direction. In the above embodiment, further: the wedge-shaped inclined surface of the wedge-shaped stopper 14 is arranged obliquely downward and toward the lower segment 2 of the steel tower column; when the upper segment 1 of the steel tower column and the lower segment 2 of the steel tower column are matched, the outer side of the bottom end of the double-inclined guide plate 3 just abuts against the inner root of the bottom end of the wedge-shaped inclined surface of the wedge-shaped stopper 14, so as to limit the positioning of the upper and lower segments of the steel tower column in the thickness direction.

[0061] The lower end of the double-slope guide plate 3 is provided with a guide slope surface Ⅰ6; the guide slope surface Ⅰ6 is vertically downward and outwardly symmetrically arranged on the left and right axes to guide the double-slope guide plate 3 inward.

[0062] The lower end of the double-slope guide plate 3 is formed with a relief slope surface Ⅰ7; the relief slope surface Ⅰ7 is vertically arranged downwardly facing the upper segment 1 of the steel tower column. In the above embodiment, further: the lower end of the double-slope guide plate 3 is inclined toward the upper segment 1 of the steel tower column and is formed with a relief slope surface Ⅰ7. The top of the double-slope vertical plate 4 is avoided by the relief slope surface Ⅰ7.

[0063] The avoidance slope surface Ⅰ7 is provided with a through-welding hole Ⅰ8; the center of the through-welding hole Ⅰ8 falls at the joint Ⅰ5 of the upper segment 1 of the steel tower column. The through-welding hole Ⅰ8 is used to provide an avoidance space for the welding of welds Ⅰ and Ⅱ.

[0064] The top of the double-slope vertical plate 4 is provided with a guide slope surface II 10; the guide slope surface II 10 is vertically upward and inwardly symmetrically arranged on the left and right axes to guide the double-slope guide plate 3 inwardly.

[0065] The top of the double-slope vertical plate 4 is provided with an avoidance slope surface II 11 ; the avoidance slope surface II 11 is vertically arranged upwardly facing the lower section 2 of the steel tower column. The avoidance slope surface II 11 is used to avoid the double-slope guide plate 3 .

[0066] The avoidance slope surface II11 is provided with a through-welding hole II12, the center of which falls at the joint II9 of the lower section 2 of the steel tower column. The through-welding hole II12 provides an avoidance space for the welding of welds I and II.

[0067] In the above embodiment, further: the lower end of the double-slope guide plate 3 is provided with a left-right axis-symmetrical guide slope surface Ⅰ6; the top of the double-slope vertical plate 4 is provided with a left-right axis-symmetrical guide slope surface Ⅱ10; the slope of the guide slope surface Ⅰ6 and the guide slope surface Ⅱ10 is 1:10; the slope surface roughness of the guide slope surface Ⅰ6 and the guide slope surface Ⅱ10 is less than or equal to 12.5μm. This ensures that the double-slope guide plate 3 and the vertical plate 4 can slide smoothly and reduce the difficulty of centering.

[0068] In the above embodiment, further: the lower end of the double-slope guide plate 3 is inclined toward the upper segment 1 of the steel tower column and is formed with an avoidance slope surface Ⅰ7; the upper end of the double-slope vertical plate 4 is inclined toward the lower segment 2 of the steel tower column and is formed with an avoidance slope surface Ⅱ11; the slopes of the avoidance slope surface Ⅰ7 and the avoidance slope surface Ⅱ11 are 1:30 respectively. The avoidance slope surface Ⅰ7 and the avoidance slope surface Ⅱ11 are used to ensure that when the upper and lower segments of the steel tower column are installed and positioned, the double-slope guide plate 3 and the double-slope vertical plate 4 do not interfere with or collide with the wall plate of the upper segment of the steel tower column, thereby achieving rapid positioning.

[0069] In the above embodiment, further: the avoidance slope surface Ⅰ7 is provided with a through-welding hole Ⅰ8 at the joint Ⅰ5 of the upper segment 1 of the steel tower column; the avoidance slope surface Ⅱ11 is provided with a through-welding hole Ⅱ12 at the joint Ⅱ9 of the lower segment 2 of the steel tower column; the radius of the through-welding hole Ⅰ8 and the through-welding hole Ⅱ12 is greater than or equal to 20 mm, so as to ensure that sufficient space is reserved when welding the joints Ⅰ and Ⅱ of the upper and lower segments of the steel tower column.

[0070] The working principle of the present invention is as follows: when the upper and lower segments of the steel tower column of the present invention are assembled, the double-slope guide plate 3 and the double-slope vertical plate 4 guide and center the upper and lower segments in the horizontal direction, the flat support plate 13 limits the upper and lower segments in the vertical insertion depth direction, and the wedge-shaped stopper 14 limits the upper and lower segments in the thickness direction. The upper and lower segments of the steel tower column are respectively limited and positioned in three vertical directions in three-dimensional space, thereby ensuring the linear accuracy of the upper and lower segments of the steel tower column when assembled and matched, reducing the difficulty of positioning, and improving the efficiency of on-site construction.

[0071] The invention has a simple structure and strong operability, and effectively solves the problem of requiring the circumference and height direction of the hyperbolic paraboloid steel tower to be matched and positioned simultaneously during on-site installation and construction. It has significant effects in terms of safe operation and improved productivity, and the construction quality is effectively improved, which has high practical and promotion value.

[0072] In summary, the present invention is easy and convenient to manufacture, install, use and disassemble, has a simple structure, is safe and reliable, is easy to operate and has strong practicality. After properly adjusting the slopes of the double-slope vertical plate and the double-slope guide plate in the plate width direction and parallelly consolidating the double-slope vertical plate and the double-slope guide plate to the upper and lower sections of the steel tower column, it can be used for the guiding and positioning construction of various complex inclined curved steel tower columns; the plate thickness difference formed by the double-slope vertical plate and the double-slope guide plate can also be used to achieve the purpose of adjustment and trimming within a certain range.

[0073] Each embodiment in this specification is described in a related manner, and the same or similar parts between the embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0074] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. A construction method for a hyperbolic paraboloid steel tower column guiding and positioning device, characterized in that: The steps include: S001. Pre-assemble the upper and lower segments (1, 2) of the steel tower column; S002. Based on the pre-assembly results of the upper and lower segments (1, 2) of the steel tower column, a double-slope guide plate (3) is drawn with a marking pen on the upper segment (1) of the steel tower column according to the left and right width d to install a positioning line I; and a double-slope vertical plate (4) is drawn with a marking pen on the lower segment (2) of the steel tower column according to the left and right width D to install a positioning line II; S003, according to the positioning line I, the double-slope guide plate (3) is parallelly welded to the interface wall plate I of the upper segment (1) of the steel tower column with the joint I (5) of the upper segment (1) of the steel tower column as the boundary; the guide slope surface I (6) of the double-slope guide plate (3) is vertically downward and outwardly arranged symmetrically with the left and right axes; the avoidance slope surface I (7) of the double-slope guide plate (3) is vertically arranged downward facing the upper segment (1) of the steel tower column; the center of the through-welding hole I (8) of the double-slope guide plate (3) is located at the joint I (5) of the upper segment (1) of the steel tower column; S004, according to the positioning line II, the double-slope vertical plate (4) is parallelly welded to the interface wall plate II of the lower segment (2) of the steel tower column with the joint II (9) of the lower segment (2) of the steel tower column as the boundary; the guide slope surface II (10) of the double-slope vertical plate (4) is vertically upward and inwardly arranged symmetrically with the left and right axes; the avoidance slope surface II (11) of the double-slope vertical plate (4) is vertically arranged upward facing the lower segment (2) of the steel tower column; the center of the through-welding hole II (12) of the double-slope vertical plate (4) is located at the joint II (9) of the lower segment (2) of the steel tower column; S005. A flat support plate (13) is horizontally welded between the inner bottoms of the double-slope vertical plates (4). The left and right length L of the flat support plate (13) is equal to the left and right width D of the double-slope vertical plates (4). The longitudinal depth H of the flat support plate (13) from the joint II (9) of the lower section (2) of the steel tower column is equal to the longitudinal depth h of the avoidance slope surface I (7) of the double-slope guide plate (3) from the joint I (5) of the upper section (1) of the steel tower column. S006. Welding a fixed wedge-shaped stopper (14) on the outside of the horizontal support plate (13), wherein the wedge-shaped inclined surface of the wedge-shaped stopper (14) is inclined downward and disposed toward the lower segment (2) of the steel tower column; S007, hoisting the pre-assembled upper steel tower column segment (1) above the lower steel tower column segment (2), and during the lowering process of the upper steel tower column segment (1), making one side of the double-sloped guide plate (3) of the upper steel tower column segment (1) closely fit with the double-sloped vertical plate (4) on the same side of the lower steel tower column segment (2); S008, the upper section (1) of the steel tower column slides downward along the double-sloped vertical plate (4) of the lower section (2) of the steel tower column; S009, the upper section (1) of the steel tower column slides downward on one side along the double-sloped vertical plate (4) of the lower section (2) of the steel tower column, and gradually changes into the upper section (1) of the steel tower column slides downward on both sides along the double-sloped vertical plate (4) of the lower section (2) of the steel tower column, until the bottom end of the double-sloped guide plate (3) of the upper section (1) of the steel tower column is in contact with and tightly pressed against the upper end surface of the flat support plate (13); S010, welding the joint I (5) of the upper segment (1) of the steel tower column and the joint II (9) of the lower segment (2) of the steel tower column into one, thereby completing the guided positioning welding of the upper and lower segments (1, 2) of the hyperbolic paraboloid steel tower column; A hyperbolic paraboloid steel tower column guiding and positioning device comprises an upper steel tower column segment (1) and a lower steel tower column segment (2), wherein a double-slope guide plate (3) is installed at a lower end joint I (5) of the upper steel tower column segment (1); a double-slope guide plate (3) is installed at an upper end joint II (9) of the lower steel tower column segment (2); the double-slope guide plate (3) and a double-slope vertical plate (4) guide and position the horizontal positions of the upper and lower steel tower column segments; a flat support plate (13) is installed at the bottom between the double-slope vertical plates (4), and the flat support plate (13) limits the longitudinal depth of the upper and lower steel tower column segments; a wedge-shaped stopper (14) is installed on the outer side of the flat support plate (13), and the wedge-shaped stopper (14) limits the positioning of the upper and lower steel tower column segments in the thickness direction; The double-slope guide plate (3) is welded parallel to the interface wall plate I of the upper segment (1) of the steel tower column with a vertical interval on the left and right sides with the joint I (5) of the upper segment (1) of the steel tower column as the boundary; the lower end of the double-slope guide plate (3) is provided with a guide slope surface I (6); the guide slope surface I (6) is vertically downward and outwardly symmetrically arranged on the left and right axes; the lower end of the double-slope guide plate (3) is provided with an avoidance slope surface I (7); the avoidance slope surface I (7) is vertically downwardly arranged facing the upper segment (1) of the steel tower column; the avoidance slope surface I (7) is provided with a through-welding hole I (8); the center of the through-welding hole I (8) falls on the joint I (5) of the upper segment (1) of the steel tower column; The double-slope vertical plate (4) is welded parallel to the interface wall plate II of the lower segment (2) of the steel tower column with a vertical interval on the left and right sides with the joint II (9) of the lower segment (2) of the steel tower column as the boundary; the top of the double-slope vertical plate (4) is provided with a guide slope surface II (10); the guide slope surface II (10) is vertically upward and inwardly arranged symmetrically with the left and right axes; the top of the double-slope vertical plate (4) is provided with an avoidance slope surface II (11); the avoidance slope surface II (11) is vertically upward and arranged facing the lower segment (2) of the steel tower column; the avoidance slope surface II (11) is provided with a through-welding hole II (12); the center of the through-welding hole II (12) falls on the joint II (9) of the lower segment (2) of the steel tower column; The left and right length L of the horizontal support plate (13) is equal to the left and right width D of the double-slope vertical plate (4); the lower end of the double-slope guide plate (3) is inclined toward the upper section (1) of the steel tower column and is provided with an avoidance slope surface I (7); the longitudinal depth H of the horizontal support plate (13) from the upper end joint II (9) of the lower section (2) of the steel tower column is equal to the longitudinal depth h of the avoidance slope surface I (7) provided on the double-slope guide plate (3) from the lower end joint I (5) of the upper section (1) of the steel tower column; The wedge-shaped inclined surface of the wedge-shaped stopper (14) is arranged obliquely downward and toward the lower segment (2) of the steel tower column; when the upper segment (1) of the steel tower column and the lower segment (2) of the steel tower column are matched, the outer side of the bottom end of the double-inclined guide plate (3) just abuts against the inner root of the bottom end of the wedge-shaped inclined surface of the wedge-shaped stopper (14); The lower outer side of the double-slope guide plate (3) is provided with a left-right symmetrical guide slope surface I (6); the upper inner side of the double-slope vertical plate (4) is provided with a left-right symmetrical guide slope surface II (10); the slope of the guide slope surface I (6) and the guide slope surface II (10) is 1:10; the slope surface roughness of the guide slope surface I (6) and the guide slope surface II (10) is less than or equal to 12.5 μm; The upper end of the double-slope vertical plate (4) is inclined toward the lower section (2) of the steel tower column and is provided with an avoidance slope surface II (11); the slopes of the avoidance slope surface I (7) and the avoidance slope surface II (11) are respectively 1:30; The avoidance slope surface I (7) is provided with a through-welding hole I (8) at the joint I (5) of the upper section (1) of the steel tower column; the avoidance slope surface II (11) is provided with a through-welding hole II (12) at the joint II (9) of the lower section (2) of the steel tower column; the radii of the through-welding hole I (8) and the through-welding hole II (12) are greater than or equal to 20 mm.

2. The hyperbolic parabola steel tower column guiding and positioning device used in the construction method of the hyperbolic parabola steel tower column guiding and positioning device as claimed in claim 1 comprises an upper steel tower column segment (1) and a lower steel tower column segment (2), characterized in that: A double-slope guide plate (3) is installed at the lower end joint I (5) of the upper segment (1) of the steel tower column; a double-slope guide plate (3) is installed at the upper end joint II (9) of the lower segment (2) of the steel tower column; the double-slope guide plate (3) and the double-slope vertical plate (4) guide and locate the horizontal positions of the upper and lower segments of the steel tower column; a flat support plate (13) is installed at the bottom between the double-slope vertical plates (4), and the flat support plate (13) limits the longitudinal depth of the upper and lower segments of the steel tower column; a wedge-shaped stopper (14) is installed on the outer side of the flat support plate (13), and the wedge-shaped stopper (14) limits the positioning of the upper and lower segments of the steel tower column along the thickness direction; The double-slope guide plate (3) is welded parallel to the interface wall plate I of the upper segment (1) of the steel tower column with a vertical interval on the left and right sides with the joint I (5) of the upper segment (1) of the steel tower column as the boundary; the lower end of the double-slope guide plate (3) is provided with a guide slope surface I (6); the guide slope surface I (6) is vertically downward and outwardly symmetrically arranged on the left and right axes; the lower end of the double-slope guide plate (3) is provided with an avoidance slope surface I (7); the avoidance slope surface I (7) is vertically downwardly arranged facing the upper segment (1) of the steel tower column; the avoidance slope surface I (7) is provided with a through-welding hole I (8); the center of the through-welding hole I (8) falls on the joint I (5) of the upper segment (1) of the steel tower column; The double-slope vertical plate (4) is welded parallel to the interface wall plate II of the lower segment (2) of the steel tower column with a vertical interval on the left and right sides with the joint II (9) of the lower segment (2) of the steel tower column as the boundary; the top of the double-slope vertical plate (4) is provided with a guide slope surface II (10); the guide slope surface II (10) is vertically upward and inwardly arranged symmetrically with the left and right axes; the top of the double-slope vertical plate (4) is provided with an avoidance slope surface II (11); the avoidance slope surface II (11) is vertically upward and arranged facing the lower segment (2) of the steel tower column; the avoidance slope surface II (11) is provided with a through-welding hole II (12); the center of the through-welding hole II (12) falls on the joint II (9) of the lower segment (2) of the steel tower column; The left and right length L of the flat support plate (13) is equal to the left and right width D of the double-slope vertical plate (4); the longitudinal depth H of the flat support plate (13) from the upper end joint II (9) of the lower section (2) of the steel tower column is equal to the longitudinal depth h of the avoidance slope surface I (7) of the double-slope guide plate (3) from the lower end joint I (5) of the upper section (1) of the steel tower column; The wedge-shaped inclined surface of the wedge-shaped stopper (14) is arranged obliquely downward and toward the lower segment (2) of the steel tower column; when the upper segment (1) of the steel tower column and the lower segment (2) of the steel tower column are matched, the outer side of the bottom end of the double-inclined guide plate (3) just abuts against the inner root of the bottom end of the wedge-shaped inclined surface of the wedge-shaped stopper (14); The lower outer side of the double-slope guide plate (3) is provided with a left-right symmetrical guide slope surface I (6); the upper inner side of the double-slope vertical plate (4) is provided with a left-right symmetrical guide slope surface II (10); the slope of the guide slope surface I (6) and the guide slope surface II (10) is 1:10; the slope surface roughness of the guide slope surface I (6) and the guide slope surface II (10) is less than or equal to 12.5 μm; The upper end of the double-slope vertical plate (4) is inclined toward the lower section (2) of the steel tower column and is provided with an avoidance slope surface II (11); the slopes of the avoidance slope surface I (7) and the avoidance slope surface II (11) are respectively 1:30; The avoidance slope surface I (7) is provided with a through-welding hole I (8) at the joint I (5) of the upper section (1) of the steel tower column; the avoidance slope surface II (11) is provided with a through-welding hole II (12) at the joint II (9) of the lower section (2) of the steel tower column; the radii of the through-welding hole I (8) and the through-welding hole II (12) are greater than or equal to 20 mm.

Images