Single-lifting-point lifting support without structural support

Abstract

The utility model discloses a single-lifting-point lifting support without structural support. The single-lifting-point lifting support comprises temporary supporting columns, horizontal cross beams, supporting longitudinal beams and reinforcing supporting plates. The temporary supporting columns are vertically installed on the two sides of the single lifting point, the horizontal beams are horizontally erected on the tops of the temporary supporting columns, and the horizontal beams are symmetrically located on the front side and the rear side of the single lifting point; the supporting longitudinal beams are vertically arranged between the horizontal cross beams, are positioned at the midspan tops of the horizontal cross beams and are symmetrically positioned on the left side and the right side of the single lifting point; the reinforcing supporting plate is horizontally arranged at the tops of the pair of supporting longitudinal beams, a steel strand hole is formed in the middle of the reinforcing supporting plate, the single lifting point is installed on the reinforcing supporting plate, and a steel strand penetrates through the steel strand hole, the gap between the pair of supporting longitudinal beams and the gap between the pair of horizontal cross beams. The utility model relates to the technical field of steel structure engineering, and can solve the problem that in the prior art, an original structural column cannot be used as a lifting point or no structural column exists at the lifting point, so that a large-span space structure cannot be integrally lifted and constructed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a steel structure engineering technical field especially relates to a single lifting point lifting support without structural support. BACKGROUND

[0002] Today's era wide-span space structure is widely used in various public buildings, and the integral lifting method is mainly used in the construction process of wide-span space structure. The lifting point and the setting of the lifting support of the integral lifting are very important in the whole construction process. At present, the conventional lifting method is to use the original structure column as the lifting point. For example, the auxiliary structure for integral lifting of steel structure net rack is disclosed in Chinese invention patent application CN103470062A, which sets up a corbel on the structure column and uses it as the lifting point for the integral lifting construction of the steel structure net rack, so as to ensure the safe lifting construction of the wide-span space structure.

[0003] However, in actual construction, the original structure column cannot be used as the lifting point in some complex structure buildings, or there is no structure column at the lifting point, which leads to the failure of the integral lifting construction of the wide-span space structure. Therefore, it is necessary to provide a single lifting point lifting support without structural support, which can solve the problem that the original structure column cannot be used as the lifting point or there is no structure column at the lifting point, leading to the failure of the integral lifting construction of the wide-span space structure. SUMMARY

[0004] The utility model aims at providing a single lifting point lifting support without structural support, which can solve the problem that the original structure column cannot be used as the lifting point or there is no structure column at the lifting point, leading to the failure of the integral lifting construction of the wide-span space structure.

[0005] The utility model is realized as follows:

[0006] A single lifting point lifting support without structural support, comprising temporary support columns, horizontal cross beams, support longitudinal beams and reinforcing support plates; a pair of temporary support columns are vertically installed on both sides of the single lifting point, the horizontal cross beams are horizontally erected on the top of the pair of temporary support columns, and a pair of horizontal cross beams are arranged at the top of the temporary support columns and symmetrically located at the front side and the rear side of the single lifting point; the support longitudinal beams are vertically arranged between the pair of horizontal cross beams, and a pair of support longitudinal beams are located at the top of the span of the horizontal cross beams and symmetrically located at the left and right sides of the single lifting point; the reinforcing support plates are horizontally arranged at the top of the pair of support longitudinal beams, the middle part of the reinforcing support plates is formed with a steel strand hole, the single lifting point is installed on the reinforcing support plates, and the steel strand of the single lifting point penetrates through the steel strand hole, the gap between the pair of support longitudinal beams and the gap between the pair of horizontal cross beams.

[0007] The support longitudinal beam is a I-shaped steel beam, and a first stiffening plate is vertically connected between the same side upper and lower flanges and the web of each support longitudinal beam.

[0008] The pair of support longitudinal beams forms a double-pasted support beam structure, the length of the reinforced support plate is consistent with the total width of the pair of support longitudinal beams, the width of the reinforced support plate is smaller than the length of the support longitudinal beam, and the first stiffening plate is located below the front end and rear end edges of the reinforced support plate.

[0009] The horizontal cross beam is an I-shaped steel beam, and a second stiffening plate is vertically connected between the upper and lower flanges and the web on the same side of each horizontal cross beam, and the second stiffening plate is located below the intersection edge of the horizontal cross beam and the support longitudinal beam.

[0010] The upper and lower flanges and the web on the same side of each horizontal cross beam are vertically connected with a third stiffening plate, and a plurality of third stiffening plates are spaced above the temporary support column.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1、 the utility model discloses a temporary support column, horizontal cross beam, support longitudinal beam and reinforced support plate are set up, and the reinforced support plate is used as the installation platform of single lifting point, and the load horizontal and vertical when the whole large-span space structure is lifted are transmitted to the ground through the temporary support column, horizontal cross beam, support longitudinal beam, need not utilize the original structure column as the lifting point, guarantees the integral lifting construction of large-span space structure, solves the problem that the original structure column cannot be used as the lifting point or there is no structure column at the lifting point in the prior art and leads to the integral lifting construction of large-span space structure.

[0013] 2、 the utility model discloses that steel material is made integrally, and the material is easy to obtain and manufacture, and the installation and dismounting are convenient, can be recycled and repeatedly used, and the safety performance and load performance of the whole support are high, which is favorable to improve the operation efficiency of the integral lifting of large-span space structure, save the construction period, and the practicality and adaptability are strong. ACCURACY

[0014] Figure 1 It is the front view of the single-lifting-point lifting support of the utility model without structure support.

[0015] Figure 2 It is the plan view of the single-lifting-point lifting support of the utility model without structure support.

[0016] Figure 3 It is the arrangement schematic view of the first stiffening plate and the second stiffening plate in the single-lifting-point lifting support of the utility model without structure support.

[0017] In the drawing, 1 is a temporary support column, 2 is a horizontal cross beam, 3 is a support longitudinal beam, 4 is a reinforced support plate, 5 is a first stiffening plate, 6 is a second stiffening plate, 7 is a steel strand hole, 8 is a single lifting point, and 9 is a third stiffening plate. CONCRETE IMPLEMENTATION

[0018] The utility model will be further described below in combination with the drawings and specific embodiments.

[0019] Please refer to the attached Figure 1 to the attached Figure 3 A single-lifting-point lifting support without structural support, comprising temporary support columns 1, horizontal cross beams 2, support longitudinal beams 3 and reinforcing support plates 4; a pair of temporary support columns 1 are respectively vertically installed on both sides of a single-lifting-point 8, the horizontal cross beams 2 are horizontally erected on the top of the pair of temporary support columns 1, and a pair of horizontal cross beams 2 are respectively arranged at the top of both ends of the temporary support columns 1 and symmetrically located at the front side and the back side of the single-lifting-point 8; the support longitudinal beams 3 are vertically arranged between the pair of horizontal cross beams 2, and a pair of support longitudinal beams 3 are located at the top of the midspan of the horizontal cross beams 2 and symmetrically located at the left and right sides of the single-lifting-point 8; the reinforcing support plates 4 are horizontally arranged on the top of the pair of support longitudinal beams 3, and the middle part of the reinforcing support plates 4 is formed with a steel strand hole 7, so that the single-lifting-point 8 is installed on the reinforcing support plates 4, and the steel strand of the single-lifting-point 8 penetrates through the steel strand hole 7, the gap between the pair of support longitudinal beams 3 and the gap between the pair of horizontal cross beams 2.

[0020] Preferably, the temporary support columns 1 can be vertically arranged by one or more lattice columns, which are used to replace the original structural columns, can be used as the lifting point of the single-lifting-point 8 for the integral lifting construction of the large-span space structure, can provide stable support, and can transmit the load downward to the ground or the floor, so as to ensure the integral lifting construction of the large-span space structure to be safely and reliably carried out without the foundation of the original structural columns.

[0021] The horizontal cross beams 2 are erected between the pair of temporary support columns 1, the support longitudinal beams 3 are erected on the horizontal cross beams 2, the horizontal cross beams 2 and the support longitudinal beams 3 are respectively arranged horizontally and vertically, the temporary support columns 1, the horizontal cross beams 2 and the support longitudinal beams 3 are vertically and welded into a whole in pairs, have high structural strength, and are used for transmitting the load of the single-lifting-point 8 in the lifting process to the pair of temporary support columns 1, so as to ensure the safety of the integral lifting construction.

[0022] The reinforcing support plates 4 are welded on the pair of support longitudinal beams 3, are used as the installation and operation platform of the lifting hydraulic cylinder of the single-lifting-point 8, and are also beneficial to uniformly transmitting the load to the pair of support longitudinal beams 3.

[0023] According to the actual construction conditions such as the structural characteristics and the weight of the integral lifting of the large-span structure space, the specifications and models of the horizontal cross beams 2, the support longitudinal beams 3 and the reinforcing support plates 4 are determined through precise calculation, so as to ensure the structural safety of the whole support and the stability in the use process.

[0024] Please refer to the attached Figure 1 and the attached Figure 3 The support longitudinal beams 3 are I-shaped steel beams, and each support longitudinal beam 3 is vertically connected with a first stiffening plate 5 between the upper and lower flanges and the web plate on the same side.

[0025] Preferably, the first stiffening plate 5 is made of steel plate, and is vertically welded between the same side upper and lower flanges of the support stringer 3, for increasing the bending resistance of the flanges of the support stringer 3, effectively resisting the bending deformation of the support stringer 3, so as to ensure the stability of the whole large-span space structure during the lifting process.

[0026] Please refer to the attached drawings Figure 1 , the pair of support stringers 3 form a double-pasted support beam structure, the length of the reinforcing support plate 4 is consistent with the total width of the pair of support stringers 3, the width of the reinforcing support plate 4 is smaller than the length of the support stringer 3, and the first stiffening plate 5 is located below the front end and rear end edges of the reinforcing support plate 4.

[0027] The first stiffening plate 5 simultaneously provides vertical support at the length direction edges of the reinforcing support plate 4, effectively resisting the bending deformation of the reinforcing support plate 4, further ensuring the stability of the whole large-span space structure during the lifting process.

[0028] Please refer to the attached drawings Figure 1 and the attached drawings Figure 3 , the horizontal cross beam 2 is an I-shaped steel beam, and the same side upper and lower flanges and the web of each horizontal cross beam 2 are vertically connected with the second stiffening plate 6, and the second stiffening plate 6 is located below the intersection edges of the horizontal cross beam 2 and the support stringer 3.

[0029] Preferably, the second stiffening plate 6 is made of steel plate, and is vertically welded between the same side upper and lower flanges and the web of the horizontal cross beam 2, for increasing the bending resistance of the flanges and the web of the horizontal cross beam 2, effectively resisting the bending deformation of the horizontal cross beam 2, so as to ensure the stability of the whole large-span space structure during the lifting process.

[0030] The plane where the second stiffening plate 6 is located is perpendicular to the plane where the first stiffening plate 5 is located, facilitating the safe transmission of load, and ensuring the bending resistance of the horizontal cross beam 2 and the support stringer 3.

[0031] Please refer to the attached drawings Figure 1 , the same side upper and lower flanges and the web of each horizontal cross beam 2 are vertically connected with the third stiffening plate 9, and the plurality of third stiffening plates 9 are spaced above the temporary support column 1.

[0032] Preferably, the third stiffening plate 9 is made of steel plate, and is vertically welded between the same side upper and lower flanges and the web of the horizontal cross beam 2, for further increasing the bending resistance of the flanges and the web of the horizontal cross beam 2, the second stiffening plate 6 and the third stiffening plate 9 are arranged at the load concentration position of the horizontal cross beam 2, effectively resisting the bending deformation of the horizontal cross beam 2, so as to ensure the stability of the whole large-span space structure during the lifting process.

[0033] Please refer to the attached drawings Figure 1 to Figure 3The construction process and working principle of the utility model are as follows:

[0034] The temporary support column 1 is built on the ground or floor by adopting lattice columns, the standardized lattice columns can be assembled flexibly, the different height single lifting point 8 arrangement requirements can be met while reliable support is ensured, and the original structure column does not need to be used.

[0035] A pair of horizontal cross beams 2 are horizontally arranged at the top of the temporary support column 1, and the temporary support column 1 and the horizontal cross beam 2 are fixed by welding. A pair of support vertical beams 3 are vertically arranged at the middle of the pair of horizontal cross beams 2, and the support vertical beam 3 and the horizontal cross beam 2 are fixed by welding. The horizontal cross beam 2 and the support vertical beam 3 are all I-shaped steel beams, the pair of horizontal cross beams 2 and the pair of support vertical beams 3 are spliced to form a cross-shaped structure, and a gap for the steel strand to pass through is formed in the middle.

[0036] The reinforcing support plate 4 is installed on the top of the pair of support vertical beams 3 by welding or screwing, the length of the reinforcing support plate 4 is consistent with the total width of the pair of support vertical beams 3, and the width of the reinforcing support plate 4 is smaller than the length of the support vertical beam 3. The middle part of the reinforcing support plate 4 is provided with a steel strand hole 7 which is slightly larger than the size of the steel strand, and the hydraulic lifting oil cylinder of the single lifting point 8 is installed on the reinforcing support plate 4, so that the steel strand of the single lifting point 8 passes through the steel strand hole 7 and the gap in the middle of the cross-shaped structure, and the steel strand is used for connecting the large-span space structure and performing overall lifting operation.

[0037] The first stiffened plate 5 is vertically welded between the same side upper and lower flanges and the web of the support vertical beam 3, and there are totally 8 first stiffened plates 5 on the pair of support vertical beams 3, and the 8 first stiffened plates 5 are located directly below the length direction edges of the reinforcing support plate 4. The second stiffened plate 6 is vertically welded between the same side upper and lower flanges and the web of the horizontal cross beam 2, and there are totally 16 second stiffened plates 6, and the second stiffened plate 6 is located at the four joint nodes between the end of the pair of support vertical beams 3 and the pair of horizontal cross beams 2. The third stiffened plate 9 is vertically welded between the same side upper and lower flanges and the web of the horizontal cross beam 2, and the number of the third stiffened plate 9 can be adjusted according to the actual support requirement, and the third stiffened plate 9 is all located above the temporary support column 1.

[0038] When the single lifting point 8 is used for overall lifting construction of the large-span space structure, the load of the single lifting point 8 is uniformly transmitted to the pair of support vertical beams 3 through the reinforcing support plate 4, the first stiffened plate 5 can improve the bearing capacity of the pair of support vertical beams 3; the load is continuously transmitted downward to the pair of horizontal cross beams 2 by the support vertical beam 3 and the first stiffened plate 5, the second stiffened plate 6 and the third stiffened plate 9 can improve the bearing capacity of the horizontal cross beam 2; the load is continuously transmitted downward to the pair of temporary support columns 1 by the horizontal cross beam 2 and the third stiffened plate 9, and finally transmitted downward to the ground or floor by the pair of temporary support columns 1.

[0039] The above merely describes the preferred embodiments of the present application, but is not intended to limit the protection scope of the present application, and thus, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A single point lift support without structural support, characterized by: The temporary support column (1), the horizontal cross beam (2), the support stringer (3) and the reinforcing support plate (4) are included; a pair of temporary support columns (1) are vertically installed on both sides of the single lifting point (8) respectively, the horizontal cross beam (2) is horizontally erected on the top of the pair of temporary support columns (1), a pair of horizontal cross beams (2) are arranged at the top of both ends of the temporary support column (1) and symmetrically located on the front side and the rear side of the single lifting point (8); the support stringer (3) is vertically arranged between the pair of horizontal cross beams (2), a pair of support stringers (3) are located at the top of the span of the horizontal cross beam (2) and symmetrically located on the left side and the right side of the single lifting point (8); the reinforcing support plate (4) is horizontally arranged on the top of the pair of support stringers (3), the middle part of the reinforcing support plate (4) is formed with a steel strand hole (7), the single lifting point (8) is installed on the reinforcing support plate (4), and the steel strand of the single lifting point (8) penetrates through the steel strand hole (7), the gap between the pair of support stringers (3) and the gap between the pair of horizontal cross beams (2).

2. The single point lift support of claim 1, wherein: The support stringer (3) is an I-shaped steel beam, and a first stiffener (5) is vertically connected between the upper and lower flanges and the web plate on the same side of each support stringer (3).

3. A single point lift support without structural support according to claim 2, characterized in that: The pair of support stringers (3) form a double-spliced support beam structure, the length of the reinforcing support plate (4) is consistent with the total width of the pair of support stringers (3), the width of the reinforcing support plate (4) is less than the length of the support stringer (3), and the first stiffener (5) is located below the front end and the rear end edge of the reinforcing support plate (4).

4. The single point lift cradle of claim 1, wherein: The horizontal cross beam (2) is an I-shaped steel beam, and a second stiffener (6) is vertically connected between the upper and lower flanges and the web plate on the same side of each horizontal cross beam (2), and the second stiffener (6) is located below the intersection edge of the horizontal cross beam (2) and the support stringer (3).

5. The single point lift cradle of claim 1, wherein: The upper and lower flanges and the web plate on the same side of each horizontal cross beam (2) are vertically connected with a third stiffener (9), and a plurality of third stiffeners (9) are spaced above the temporary support column (1).

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