Steel column auxiliary installation device under reverse building method construction space

Abstract

The utility model provides an auxiliary installation device for a steel column under a reverse building method construction space, which comprises a pair of support frames which are symmetrically installed on the outer wall of the steel column to be installed relative to the central surface of the steel column, and each support frame comprises an upper support beam and a lower support beam which are connected through a support rod and are parallel to each other; a pair of upper lug plate combinations and a pair of lower lug plate combinations are symmetrically welded on the outer wall of the steel column relative to the center face of the steel column, the upper supporting beam and the lower supporting beam are connected with the corresponding upper lug plate combinations and the corresponding lower lug plate combinations respectively, the lower supporting beam is parallel to the width direction of the steel column, and the two ends of the lower supporting beam extend out of the steel column. The device can be installed on the two sides of the steel column to assist a forklift in moving the steel column, and the problem that the large-section steel column is difficult to install in the limited space of reverse building method construction is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to reverse construction technology field, more specifically, relate to a kind of steel column auxiliary installation device under reverse construction space. BACKGROUND

[0002] The principle of reverse construction is to construct underground continuous wall or other supporting structure along the basement axis or around the building, while pouring or laying intermediate support piles and columns at relevant positions inside the building as support to bear the weight of upper structure and construction load during construction before bottom plate is sealed. Then, the beam-slab floor structure of ground floor is constructed as support with great rigidity of underground continuous wall, and then excavate soil and pour each layer of underground structure layer by layer downward until the bottom plate is sealed.

[0003] In some areas where conventional construction methods cannot be used, reverse construction method is required. However, the environment for reverse construction is complex, and the construction space is limited due to factors such as environment, layer height, and cross-section of components. Therefore, manual or inverted construction methods are often used.

[0004] In reverse construction, conventional hoisting and installation methods are not suitable for such environment and site. There are many lattice supports in the lower reverse layer, and large hoisting machinery cannot operate in the limited space. Therefore, the installation of large-section steel columns becomes a major problem. SUMMARY

[0005] In view of the above problems, the utility model aims to provide a steel column auxiliary installation device under reverse construction space, which is installed on both sides of the steel column to assist the forklift in transporting the steel column, solving the problem of difficult installation of large-section steel columns in limited space in reverse construction.

[0006] The utility model provides a steel column auxiliary installation device under reverse construction space, which comprises a pair of support frames symmetrically installed on the outer wall of the steel column about the center plane of the steel column, wherein,

[0007] The support frame comprises upper and lower support beams connected by support rods;

[0008] A pair of upper ear plates and a pair of lower ear plates are symmetrically welded on the outer wall of the steel column about the center plane of the steel column, and the upper and lower support beams are connected with the corresponding upper and lower ear plate assemblies, respectively. The lower support beam is parallel to the width direction of the steel column and extends beyond the steel column at both ends.

[0009] The length of the upper support beam is less than the length of the lower support beam, the center line of the upper support beam and the center line of the lower support beam are on the same straight line, and the center line of the upper support beam and the center line of the lower support beam are on the same plane with one center plane of the steel column.

[0010] The support rod comprises a middle rod connected between the middle portions of the upper support beam and the lower support beam and two inclined rods connected between the same direction end portions of the upper support beam and the lower support beam.

[0011] The middle rod, the inclined rods, the upper support beam and the lower support beam are all H-shaped steel.

[0012] Two upper connecting plates are arranged in the upper middle portion of the upper support beam, two through holes are arranged on the upper connecting plates, round holes corresponding to the through holes are arranged on the upper lug plates, the upper lug plates are inserted between the two upper connecting plates and are fixed by bolts passing through the through holes and the round holes.

[0013] Lower connecting plates are uniformly arranged on the side faces of the lower support beam facing the steel columns, through holes are arranged on the lower connecting plates, and the lower lug plate assembly comprises lower lug plates corresponding to the lower connecting plates arranged on the outer walls of the steel columns, round holes are arranged on the lower lug plates, and the lower connecting plates are attached to the corresponding lower lug plates and are fixed by bolts passing through the opposite through holes and round holes.

[0014] The spacing of the upper support beam and the lower support beam is not less than one third of the height of the steel column.

[0015] The reverse construction method construction space lower steel column auxiliary installation device is installed in the middle lower portion of the steel column.

[0016] The support frame is parallel to the steel column.

[0017] The lower support beam is respectively held on the two lifting arms of the forklift.

[0018] As can be seen from the above description, the reverse construction method construction space lower steel column auxiliary installation device provided by the utility model comprises a pair of support frames symmetrically installed on the outer walls of the steel columns to be installed with respect to the center plane of the steel columns, and the two lifting arms of the forklift can hold the two support frames to hold the steel column, so that the steel column is vertically moved and transported instead of hoisting equipment. BRIEF DESCRIPTION OF DRAWINGS

[0019] Other purposes and results of the utility model will be more apparent and easy to understand by referring to the content of the following description in combination with the drawings and with a more comprehensive understanding of the utility model. In the drawings:

[0020] Figure 1 It is a structural schematic view of the reverse construction method construction space lower steel column auxiliary installation device according to the utility model embodiment.

[0021] Figure 2 FIG. 1 is a perspective view of a steel column auxiliary installation device according to an embodiment of the present application;

[0022] Figure 3 FIG. 2 is a top view of the steel column auxiliary installation device according to the embodiment of the present application;

[0023] Figure 4 FIG. 3 is a structural schematic view of a lower ear plate combination according to an embodiment of the present application;

[0024] wherein 1 is a support frame, 11 is an upper support beam, 12 is a lower support beam, 13 is a support rod, 131 is a middle rod, 132 is an inclined rod, 2 is an upper ear plate, 3 is a lower ear plate combination, 31 is a lower ear plate, 4 is an upper connecting plate, 5 is a lower connecting plate, and 6 is a steel column;

[0025] The same reference numerals in all the drawings indicate similar or corresponding features or functions. DETAILED DESCRIPTION

[0026] The present application can be modified in various ways and can have various embodiments, and a specific embodiment is illustrated in the accompanying drawings and described. However, the present application is not limited to the specific embodiment, and encompasses all modifications, equivalents, and substitutions falling within the scope of the idea and technology of the present application, and should be understood to be included.

[0027] Numerical terms such as first, second, and the like can be used to describe various constituent elements, but the constituent elements are not limited to the terms. The terms are used only to distinguish one constituent element from another. For example, a second constituent element can be named as a first constituent element without departing from the scope of the claims of the present application, and similarly, a first constituent element can be named as a second constituent element. The term and / or a combination of a plurality of items or one item among a plurality of items which are associatedly described.

[0028] It should be understood that when a certain constituent element is referred to as being "connected" or "contacted" with another constituent element, this includes not only a case where the certain constituent element is directly connected or contacted with the other constituent element, but also a case where another constituent element is present therebetween. Conversely, when a certain constituent element is referred to as being "directly connected" or "directly contacted" with another constituent element, it should be understood that there is no other constituent element therebetween.

[0029] In the description of the embodiments, when described as a certain constituent element is formed "on or under" another constituent element, "on or under" includes that the two constituent elements are in direct contact with each other or at least one of the other constituent elements is disposed between the two constituent elements. Also, when described as on or under, with a certain constituent element as a reference, not only an upward direction but also a downward direction can be included.

[0030] The terms used in the present application are used only to describe particular embodiments and are not intended to limit the present application. Unless otherwise explicitly defined herein, singular expressions include plural expressions. In the present application, it should be understood that the terms "include" or "have" or the like are used to designate the presence of features, numbers, steps, operations, constituent elements, components, or combinations thereof described in the specification, and do not preclude the presence or addition of one or more other features, numbers, steps, operations, constituent elements, components, or combinations thereof.

[0031] Unless otherwise defined, including technical or scientific terms, all terms used herein have the same meaning as understood by a person skilled in the art. Terms generally defined in a dictionary are interpreted in accordance with the meaning in the context of the relevant technology, and if not explicitly defined in the present application, they should not be interpreted as ideal or overly formal meanings.

[0032] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0033] As Figures 1-4 As shown in the drawings, the steel column auxiliary installation device for reverse construction space can be used for vertical moving and auxiliary installation of large-section steel columns in cooperation with a forklift in a reverse construction space, and can also be used for vertical moving of steel columns in other narrow spaces in cooperation with a forklift.

[0034] The steel column auxiliary installation device for reverse construction space includes a pair of support frames 1 symmetrically installed about the center of the steel column 6 on the outer wall of the steel column to be installed. Two support frames 1 are respectively installed on both sides of the steel column 6, used to receive the lifting arms of the forklift to lift the steel column in the middle.

[0035] In order to stabilize the lifting of the steel column, the support frame 1 can include upper and lower support beams 11 and 12 connected by a support rod 13. The upper and lower support beams 11 and 12 have a certain spacing, and the lower support beam 12 is placed on the lifting arm along the length of the lifting arm. After the forklift lifts a pair of support frames 1, the pair of support frames 1 can vertically sandwich the steel column 6 in the middle to stably lift the steel column 6.

[0036] In order to facilitate connection with the support frame 1, a pair of upper ears 2 and a pair of lower ear combinations 3 are symmetrically welded on the outer wall of the steel column 6 about the center plane of the steel column 6, and the upper support beam 11 and the lower support beam 12 are connected with the corresponding upper ear 2 and lower ear combination 3 respectively. The upper ear 2 and the lower ear combination 3 should be fully penetrated welded with the outer wall of the steel column 6 to ensure firm welding. The upper support beam 11 and the lower support beam 12 of each support frame 1 are connected with the upper ear 2 and the lower ear combination 3 on the same side respectively, and the two support frames 1 are symmetrically installed about a center plane of the steel column 6, which can balance and support the steel column.

[0037] In order to vertically stabilize and support the steel column, the lower support beam 12 is parallel to the width direction of the steel column 6 and extends out of the steel column 6 at both ends. The length of the lower support beam 12 is longer than the width of the steel column 6, and the lifting arm has sufficient contact length with the lower support beam 12, so that the heavy steel column can be smoothly supported.

[0038] In one embodiment of the present application, in order to stabilize the support frame 1, the length of the upper support beam 11 is less than the length of the lower support beam 12, the center line of the upper support beam 11 and the center line of the lower support beam 12 are on the same straight line, and are on the same plane with a center plane of the steel column 6. The length of the upper support beam 11 can be less than the width of the steel column 6, the support frame 1 is narrow at the top and wide at the bottom, and the center line of the support frame 1 is located in the center of the width of the side wall of the steel column 6, so that the steel column is more stable when being supported.

[0039] In one embodiment of the present application, in order to further stabilize the support frame 1, the support rod 13 includes a middle rod 131 and two inclined rods 132, the middle rod 131 is connected between the middle portions of the upper support beam 11 and the lower support beam 12, and the inclined rod 132 is connected between the same direction end portions of the upper support beam 11 and the lower support beam 12. The two inclined rods 132, the upper support beam 11 and the lower support beam 12 form a trapezoidal structure, and the support frame 1 with the two trapezoidal structures fixes the steel column in the middle and supports more stably. The middle rod 131 is connected in the middle of the trapezoidal structure, which can avoid deformation of the support frame 1 in long-term use.

[0040] In one embodiment of the present application, the middle rod 131, the inclined rod 132, the upper support beam 11 and the lower support beam 12 are all H-shaped steel. The H-shaped steel structure is stable, the support frame 1 formed by welding is stable in structure, and the welding method adopts full penetration welding. The specification of the H-shaped steel is determined according to the specific construction condition, and the width of the lower support beam 12 should satisfy the stable contact area with the lifting arm. The H-shaped steel can adopt Q355B material.

[0041] In one specific embodiment of the utility model, in order to be connected with upper support beam 11, two upper connecting plates 4 are arranged in the upper middle part of upper support beam 11, two through holes are arranged on each upper connecting plate 4, upper lug plate 2 is welded along the length direction of steel column, and a round hole corresponding to the through hole is arranged on upper lug plate 2; upper lug plate 2 is inserted between two upper connecting plates 4 and is fixed by the bolt passing through the through hole and the round hole.

[0042] The spacing of two upper connecting plates 4 is adapted to the width of upper lug plate 2, and two upper connecting plates 4 clamp upper lug plate 2 in the middle and are connected together by a bolt and a nut.

[0043] In one specific embodiment of the utility model, in order to be connected with lower support beam, lower connecting plate 5 is uniformly arranged on the side of lower support beam 12 towards the steel column, the weld of lower connecting plate 5 is along the width direction of lower support beam 12, a through hole is arranged on lower connecting plate 5, lower lug plate combination 3 includes lower lug plate 31 corresponding to lower connecting plate 5 arranged on the outer wall of steel column 6, the weld of lower lug plate 31 is along the length direction of steel column, a round hole is arranged on lower lug plate 31, the spacing of lower lug plate 31 and lower connecting plate 5 is the same in number, but is staggered by the thickness of one lower connecting plate 5, and when installation, lower connecting plate 5 is attached to the corresponding lower lug plate 31 and is fixed by the bolt passing through the opposite through hole and round hole. The connection of multiple pairs of lower connecting plate 5 and lower lug plate 31 can make the lower support plate connection stable and firm, and the steel column is lifted stably. In the embodiment, the number of lower connecting plate 5 can be four.

[0044] If the steel column is a square column, each lower lug plate 31 is the same size. If the steel column is a cylindrical column, the length of each lower lug plate 31 is different, but the midpoint line of the round hole of each lower lug plate 31 is along the cross-sectional direction of the cylindrical column and parallel to the symmetry plane.

[0045] In one specific embodiment of the utility model, the spacing of upper support beam 11 and lower support beam 12 is not less than one third of the height of steel column 6. The spacing of upper support beam 11 and lower support beam 12 should make support frame 1 have sufficient connection height with steel column 6, so that the steel column can be stably and vertically lifted and moved without overturning.

[0046] In one specific embodiment of the utility model, the steel column auxiliary installation device under the construction space of the reverse construction method can be installed in the middle lower part of steel column 6. According to the construction condition and the convenience of lifting, two support frames 1 are installed in the middle lower part of steel column 6, the forklift lifts the steel column in the middle lower part of steel column 6, and the installation is convenient.

[0047] In one specific embodiment of the utility model, support frame 1 is parallel to steel column 6. Support frame 1 is vertical, and the spacing between support frame 1 and the outer wall of steel column 6 is not greater than 10 cm, so that the lifting arm can be stably supported to lift lower support beam 12.

[0048] In one specific embodiment of the present application, the distance between the two lifting arms of the forklift is adjusted to be greater than the width of the steel column 6 and not greater than the distance between the two lower support beams 12, the two lifting arms of the forklift can be stably supported below the two lower support beams 12, and the steel column 6 is lifted by the assistance of the two support frames 1.

[0049] The auxiliary installation device for the steel column under the construction space of the top-down method according to the present application is described above with reference to the drawings in an exemplary manner. However, it should be understood by those skilled in the art that various improvements can be made to the auxiliary installation device for the steel column under the construction space of the top-down method according to the present application without departing from the content of the present application. Therefore, the protection scope of the present application should be determined by the content of the appended claims.

Claims

1. A device for assisting installation of a steel column in a space under construction by top-down construction method, characterized in that, A pair of support frames are symmetrically installed on the outer wall of a steel column to be installed with respect to the center plane of the steel column, wherein The support frame comprises upper and lower support beams connected by a support rod, the upper and lower support beams being parallel to each other; A pair of upper and lower ear plates are symmetrically welded on the outer wall of the steel column with respect to the center plane of the steel column, the upper and lower support beams are connected to the corresponding upper and lower ear plate assemblies respectively, and the lower support beam is parallel to the width direction of the steel column and extends out of the steel column at both ends.

2. The auxiliary installation device for the steel column under the construction space of the top-down method according to claim 1, wherein The length of the upper support beam is less than that of the lower support beam, the center line of the upper support beam and the center line of the lower support beam are on the same line, and are in the same plane with one of the center planes of the steel column.

3. The auxiliary installation device for the steel column under the construction space of the top-down method according to claim 2, wherein, The support rod comprises a middle rod connected between the middle portions of the upper and lower support beams, and two inclined rods connected between the same end portions of the upper and lower support beams.

4. The auxiliary installation device for the steel column under the construction space of the top-down method according to claim 3, wherein, The middle rod, the inclined rods, the upper support beam and the lower support beam are all H-shaped steel.

5. The auxiliary installation device for the steel column under the construction space of the top-down method according to claim 1, wherein Two upper connecting plates are provided on the upper side of the middle portion of the upper support beam, two through holes are provided on each of the upper connecting plates, a round hole corresponding to the through hole is provided on the upper ear plate, the upper ear plate is inserted between the two upper connecting plates and is fixed by a bolt passing through the opposite through holes and round holes. 6.The auxiliary installation device for the steel column under the construction space of the top-down method according to claim 1, wherein, A lower connecting plate is uniformly provided on the side of the lower support beam facing the steel column, a through hole is provided on the lower connecting plate, and the lower ear plate assembly comprises a lower ear plate provided on the outer wall of the steel column corresponding to the lower connecting plate, a round hole is provided on the lower ear plate, and the lower connecting plate is fitted with the corresponding lower ear plate and is fixed by a bolt passing through the opposite through holes and round holes.

7. The auxiliary installation device for the lower steel column of the top-down construction space according to claim 1, wherein, The spacing between the upper support beam and the lower support beam is not less than one third of the height of the steel column. 8.The auxiliary installation device for the steel column under the construction space of the top-down method according to claim 1, wherein, The lower portion of the steel column auxiliary installation device is installed in the reverse construction space. 9.The auxiliary installation device for the steel column under the construction space of the top-down method according to claim 1, wherein, The support frame is parallel to the steel column. 10.The auxiliary installation device for the steel column under the construction space of the top-down method according to claim 1, wherein, The lower support beam is respectively supported on the two lifting arms of the forklift.

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