Fabricated steel latticed column structure fast to mount and dismount
By using prefabricated steel lattice column structures and assembling steel lattice columns with connecting bolts, the environmental and health problems caused by welding are solved, and rapid disassembly and assembly and efficient construction are achieved.
Patent Information
- Application Number
- CN202422708304.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-07
AI Technical Summary
Most existing steel lattice columns are fabricated by on-site welding of structural steel, which consumes a large amount of welding materials and equipment, generates toxic fumes, affects the environment and health, and the welding quality is inconsistent.
The prefabricated steel lattice column structure is adopted, in which axially compressed members, transverse connecting members and segmented connecting members are assembled into steel lattice columns by connecting bolts, avoiding welding and reducing technical requirements and environmental friendliness.
It enables rapid assembly and disassembly, saves materials, reduces environmental and health impacts, improves construction safety and economy, and is reusable.
Smart Images
Figure CN223577441U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of foundation pit excavation support especially to a quick assembly and disassembly assembly type steel lattice column structure. BACKGROUND
[0002] At present, in the process of deep foundation pit engineering design and construction, steel pipe or reinforced concrete temporary support form is usually adopted, the temporary support mainly bears axial load and resists deformation of the side wall of the foundation pit. In order to prevent the temporary support from falling under the action of dead load or other vertical temporary load, a steel lattice column needs to be arranged to bear the vertical load.
[0003] Most of the existing steel lattice columns are square-section columns processed by welding steel on site, welding process needs to consume a large amount of welding rod, welding wire, welding flux and supporting welding equipment, special operation personnel need to operate with a certificate, in addition, welding operation produces a large amount of toxic and harmful smoke, which causes certain adverse effects on the surrounding environment and the health of the operating personnel. Influenced by the welding technical level of welders, welding materials and on-site operation environment, the welding seam quality of the steel lattice column processed on site is not the same. Based on this, we propose a quick assembly and disassembly assembly type steel lattice column structure. UTILITY MODEL CONTENT
[0004] In order to improve the above-mentioned problems of most of the existing steel lattice columns being square-section columns processed by welding steel on site, welding process needing to consume a large amount of welding rod, welding wire, welding flux and supporting welding equipment, special operation personnel needing to operate with a certificate, in addition, welding operation producing a large amount of toxic and harmful smoke, which causes certain adverse effects on the surrounding environment and the health of the operating personnel, the utility model provides a quick assembly and disassembly assembly type steel lattice column structure.
[0005] The utility model provides a quick assembly and disassembly assembly type steel lattice column structure, adopts the following technical scheme:
[0006] A quick assembly and disassembly assembly type steel lattice column structure, which comprises a drill hole, a steel reinforcement cage is arranged in the inside of the drill hole, a structure bottom plate is installed at the top of the drill hole, a reinforced concrete temporary horizontal support is arranged on the side of the structure bottom plate away from the drill hole, an axial compression member is arranged in the inside of the steel reinforcement cage, a plurality of horizontal connecting members are arranged on the outside of the axial compression member, a sectional connecting member is arranged between two adjacent axial compression members, and a plurality of connecting bolts are connected between the axial compression member and the horizontal connecting member and the sectional connecting member.
[0007] By adopting the technical scheme, the length of the axial compression component is determined according to the transportation condition and the size of the temporary lateral support of the reinforced concrete, the axial compression components are assembled into steel latticed column sections with square cross sections through the lateral connecting components, the steel latticed column sections are connected into steel latticed columns with the required length for the on-site construction through the sectional connecting components, and the components are connected through connecting bolts, so that the structure is convenient to disassemble and assemble, a large amount of welding consumables is saved, the welding machine and other equipment are not needed, the operation technical requirement is low, special operation personnel are not needed for construction, the construction process is safe and environmentally friendly, and the economy is good.
[0008] Optionally, the axial compression assembly comprises four angle steel limbs, the four angle steel limbs are symmetrically distributed in pairs about the center of the reinforced cage, and a plurality of bolt holes matched with the connecting bolts are formed in the four angle steel limbs.
[0009] By adopting the technical scheme, the multiple angle steel limbs can be assembled into steel latticed column sections with square cross sections to support the foundation pit.
[0010] Optionally, the lateral connecting component comprises four steel plate patches, the four steel plate patches are connected to the outer sides of the adjacent two angle steel limbs respectively, and the four steel plate patches are fixed to the four angle steel limbs through a plurality of connecting bolts.
[0011] By adopting the technical scheme, the steel plate patches can be fixedly connected to the outer sides of the angle steel limbs through the connecting bolts.
[0012] Optionally, a plurality of bolt holes matched with the connecting bolts are formed in the four steel plate patches, and the bolt holes in the four steel plate patches and the bolt holes in the four angle steel limbs are arranged in one-to-one correspondence.
[0013] By adopting the technical scheme, the steel plate patches and the angle steel limbs are connected more firmly through the plurality of bolt holes.
[0014] Optionally, the sectional connecting component comprises a coiled steel plate, the coiled steel plate is sleeved on the outer sides of the four angle steel limbs, and the coiled steel plate is fixed to the four angle steel limbs through a plurality of connecting bolts.
[0015] By adopting the technical scheme, the coiled steel plate can be fixedly connected to the outer sides of the angle steel limbs, and then the angle steel limbs are conveniently combined and connected to connect the steel latticed column sections into steel latticed columns with the required length for the on-site construction.
[0016] Optionally, a plurality of bolt holes matched with the connecting bolts are formed in the coiled steel plate, and the bolt holes in the coiled steel plate and the bolt holes in the four angle steel limbs are arranged in one-to-one correspondence.
[0017] By adopting the technical scheme, the connection between the rolled steel plate and the angle steel limb is more firm through the arrangement of the bolt holes.
[0018] To sum up, the utility model has at least one of the following beneficial effects:
[0019] The axial compression members are fixedly connected with the transverse connecting member and the sectional connecting member through the connecting bolts, the axial compression members are combined into a steel lattice column, the steel lattice column is assembled into a length meeting the needs of on-site construction through the sectional connecting member, the structure is convenient to disassemble and reassemble, a large amount of electric welding consumables is saved, no electric welding machine and other equipment are needed, the operation technical requirement is low, no special operation personnel are needed for construction, the construction process is safe and environmentally friendly, and the economy is good.
[0020] When the main structure of the foundation pit is completed, the steel lattice column can be removed without damage because the steel plate and the angle steel limb are connected through the connecting bolts, the steel plate and the angle steel limb can be disassembled, and therefore the structure occupies small space and is convenient to transport. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the drawings for the ordinary skilled in the art without creating labor.
[0022] Figure 1 It is a whole structure schematic view of the utility model;
[0023] Figure 2 It is a connecting structure schematic view of the angle steel limb and the steel plate of the utility model;
[0024] Figure 3 It is a top view structure schematic view of the utility model Figure 2 .
[0025] Figure 4 It is a connecting structure schematic view of the angle steel limb and the rolled steel plate of the utility model;
[0026] Figure 5 It is a top view structure schematic view of the utility model Figure 4 .
[0027] In the drawing: 1, drilling hole; 2, reinforcement cage; 3, structure bottom plate; 4, temporary transverse support of reinforced concrete; 5, connecting bolt; 6, steel plate; 7, angle steel limb; 8, rolled steel plate. DETAILED DESCRIPTION
[0028] The utility model discloses make further detailed instructions to the utility model. Figures 1-5 The utility model discloses make further detailed instructions to the utility model.
[0029] Please refer to the drawings in the specification Figure 1 , Figure 3 and Figure 5 An embodiment provided by the utility model: a kind of quick installation and disassembly assembly type steel lattice column structure, including drilling 1, the inside of drilling 1 is provided with reinforcement cage 2, the top of drilling 1 is equipped with structure bottom plate 3, structure bottom plate 3 is provided with reinforced concrete temporary lateral support 4 on the side away from drilling 1, the inside of reinforcement cage 2 is provided with axial compression component, axial compression component includes four angle steel limb 7, four angle steel limb 7 is symmetrically distributed about the center of reinforcement cage 2 two by two, a plurality of bolt holes matched with connecting bolt 5 are formed in four angle steel limb 7. It can be assembled into the steel lattice column section of square cross section with multiple angle steel limb 7 and carry out support work to foundation pit.
[0030] Please refer to the drawings in the specification Figure 1 , Figure 2 and Figure 3 The outside of axial compression component is provided with a plurality of transverse connecting components, a plurality of sectional connection components are arranged between adjacent two axial compression components, a plurality of connecting bolts 5 are connected between axial compression component and transverse connecting component and sectional connection component, and the transverse connecting component includes four steel plate patch plates 6, the four steel plate patch plates 6 are connected to the outside of adjacent two angle steel limbs 7 respectively, and the four steel plate patch plates 6 are fixed with the four angle steel limbs 7 through a plurality of connecting bolts 5. So the steel plate patch plate 6 can be fixedly connected to the outside of angle steel limb 7 through connecting bolt 5.
[0031] Please refer to the drawings in the specification Figure 2 and Figure 3 A plurality of bolt holes matched with connecting bolt 5 are formed in four steel plate patch plates 6, and the bolt holes on the four steel plate patch plates 6 and the bolt holes on the four angle steel limbs 7 are one-to-one correspondingly arranged. Through the arrangement of a plurality of bolt holes, the connection between the steel plate patch plate 6 and the angle steel limb 7 is more firm.
[0032] Please refer to the drawings in the specification Figure 4 and Figure 5 The sectional connection component includes coiled steel plate 8, the coiled steel plate 8 is sleeved on the outside of four angle steel limbs 7, and the coiled steel plate 8 is fixed with the four angle steel limbs 7 through a plurality of connecting bolts 5. So the coiled steel plate 8 can be fixedly connected to the outside of angle steel limb 7, and then the angle steel limb 7 can be conveniently combined and connected, and the steel lattice column section can be connected to meet the length required by on-site construction,
[0033] Please refer to the drawings in the specification Figure 4 and Figure 5A plurality of bolt holes matched with the connecting bolts 5 are formed on the rolled steel plate 8, and the bolt holes on the rolled steel plate 8 and the bolt holes on the four angle steel limbs 7 are arranged one by one. Through the arrangement of the plurality of bolt holes, the connection between the rolled steel plate 8 and the angle steel limbs 7 is more firm.
[0034] Working principle: first, according to the traffic conditions and the size of the temporary reinforced concrete lateral support 4, the length of the angle steel limb 7 is determined, the steel plate 6 and the angle steel limb 7 are fixedly connected through the connecting bolt 5, so that the four angle steel limbs 7 are assembled into a steel lattice column section with a square cross section, and the foundation pit is supported, according to the need, the rolled steel plate 8 is connected between the upper and lower adjacent angle steel limbs 7 through the connecting bolt 5, which facilitates the connection of the steel lattice column section into a steel lattice column section with a length meeting the needs of the site construction.
[0035] Among them, the steel lattice column section below the structural bottom plate 3 needs to be permanently buried underground, and the steel lattice column section in the range of the temporary reinforced concrete lateral support 4 will also be poured in the temporary reinforced concrete lateral support 4, therefore, the section is arranged below the top surface of the structural bottom plate 3 and inside the temporary reinforced concrete lateral support 4, and the adjacent steel lattice column sections are connected through the mutual cooperation of the connecting bolts 5 and the rolled steel plates 8, and the lengths of the other steel lattice column sections are segmented according to the actual needs of the project, and are connected through the mutual cooperation of the connecting bolts 5 and the rolled steel plates 8.
[0036] When the permanent structure construction is completed, the connecting bolts 5 between the rolled steel plates 8 and the angle steel limbs 7 can be removed to quickly remove the steel lattice column section, and the connecting bolts 5 between the steel plate 6 and the angle steel limb 7 can be further removed, the steel lattice column section is divided into a plurality of steel plates 6 and angle steel limbs 7, and the materials are transported away conveniently.
[0037] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.
Claims
1. A quick assembly and disassembly of fabricated steel lattice column structure, comprising a drill hole (1), characterized in that: The inside of the drill hole (1) is provided with a reinforcement cage (2), the top of the drill hole (1) is provided with a structural bottom plate (3), the side of the structural bottom plate (3) away from the drill hole (1) is provided with a reinforced concrete temporary lateral support (4), the inside of the reinforcement cage (2) is provided with an axial compression member, the outside of the axial compression member is provided with a plurality of lateral connecting members, a sectional connecting member is arranged between adjacent two axial compression members, and a plurality of connecting bolts (5) are connected between the axial compression member and the lateral connecting member and the sectional connecting member.
2. The prefabricated steel latticed column structure of claim 1, wherein: The axial compression assembly comprises four angle steel limbs (7), the four angle steel limbs (7) are symmetrically distributed in pairs about the center of the reinforcement cage (2), and a plurality of bolt holes matched with the connecting bolts (5) are formed in the four angle steel limbs (7).
3. The prefabricated steel latticed column structure of easy and fast assembly and disassembly according to claim 2, characterized in that: The lateral connecting member comprises four steel plate patch plates (6), the four steel plate patch plates (6) are connected to the outside of adjacent two angle steel limbs (7) respectively, and the four steel plate patch plates (6) are fixed with the four angle steel limbs (7) through a plurality of connecting bolts (5).
4. The prefabricated steel latticed column structure of easy and fast assembly and disassembly according to claim 3, characterized in that: A plurality of bolt holes matched with the connecting bolts (5) are formed in the four steel plate patch plates (6), and the bolt holes in the four steel plate patch plates (6) and the bolt holes in the four angle steel limbs (7) are arranged in one-to-one correspondence.
5. The prefabricated steel latticed column structure of easy and fast assembly and disassembly according to claim 2, characterized in that: The sectional connecting member comprises a coiled steel plate (8), the coiled steel plate (8) is sleeved on the outside of the four angle steel limbs (7), and the coiled steel plate (8) is fixed with the four angle steel limbs (7) through a plurality of connecting bolts (5).
6. The prefabricated steel latticed column structure of easy and fast assembly and disassembly according to claim 5, characterized in that: A plurality of bolt holes matched with the connecting bolts (5) are formed in the coiled steel plate (8), and the bolt holes in the coiled steel plate (8) and the bolt holes in the four angle steel limbs (7) are arranged in one-to-one correspondence.