Combined supporting and mounting tool for bottom of floor slab of spring floor staircase
By designing and combining support installation tools, the integrity and stability issues of floor slab support in duplex stairwells were resolved, achieving stability and aesthetics during construction, meeting green construction requirements, and facilitating reuse.
Patent Information
- Application Number
- CN202423146269.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-19
AI Technical Summary
In existing technologies, the floor slab support components for duplex stairwells suffer from insufficient integrity and stability. Furthermore, the commonly used materials are fragile and not easily reused, which affects construction safety and aesthetics.
A combined support installation tool including a base, support sleeve, load-bearing components, support plate, and scissor brace was designed. The support sleeve and support protrusion cooperate to form a stable support structure. The tool uses one-piece molded plastic parts and size-matched components, which facilitates processing and assembly.
It achieves stability and integrity of floor slab support, reduces cracking and displacement during construction, improves safety and aesthetics, and is easy to reuse, meeting the requirements of green construction.
Smart Images

Figure CN223577559U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building engineering construction technical field especially relates to a kind of combined support installation tool of floor slab bottom in leap layer stairwell. BACKGROUND
[0002] In engineering construction, as cast-in-place reinforced concrete stair slab disc buckle type steel pipe lower support component, it is required to meet the requirements of integrity, stability and other requirements, and also needs to meet the requirements of applicability, economy, green construction and other requirements, generally commonly used plain concrete cushion block, reinforced welded aircraft component as support component, both components have certain problems.
[0003] Commonly used plain concrete cushion block is generally prefabricated by using on-site excess concrete, and the cushion block section size is 5cm*5cm, and the thickness is equal to the thickness of the stair slab. The plain concrete is a brittle material, and if the vibrator is used for concrete vibration during the construction process, the cushion block is easily broken, displaced and other phenomena when contacting the cushion block. Moreover, the concrete cushion block must be customized in advance, and the combination of the cushion block and the concrete floor is poor, and shrinkage cracks are easily generated.
[0004] Commonly used aircraft type reinforced support component generally adopts steel bars with a diameter of not less than 16mm for welding connection, and the support component cannot be taken out for reuse when directly poured in concrete, and is prone to overall instability under the action of axial force and eccentric force, causing the support frame to overturn and causing safety accidents. Moreover, the component is prone to rust on the platform bottom after being wet, affecting the appearance. INVENTION CONTENTS
[0005] The utility model aims at providing a kind of combined support installation tool of floor slab bottom in leap layer stairwell, solve the technical problem of the insufficient integrity and stability of leap layer stairwell floor support in prior art.
[0006] The embodiment of the application discloses a kind of combined support installation tool of floor slab bottom in leap layer stairwell, including:
[0007] Base;
[0008] Support sleeve is vertically installed on the base, and support protrusions are arranged at the outer side of the support sleeve in intervals;
[0009] Load-bearing member is vertically arranged, and the bottom end of the load-bearing member extends into the support sleeve;
[0010] Support plate is installed on the load-bearing member, and a through hole is formed in the support plate for the load-bearing member to pass through;
[0011] The formwork support stand vertical rod is screwed to the bottom of the load bearing part, that is, a thread is arranged on the outer surface of the load bearing part, which cooperates with the formwork support stand vertical rod to form a threaded connection, thereby completing the screwing operation;
[0012] The scissors brace is installed inside the formwork support stand vertical rod.
[0013] The support sleeve cooperates with the support protrusion to form stable support, and cooperates with the subsequent load bearing part, and is convenient to disassemble.
[0014] On the basis of the above technical scheme, the embodiment of the application can also be improved as follows:
[0015] Further, the support protrusion is T-shaped, and the beneficial effect of this step is to prevent shrinkage joints caused by shrinkage of solidified concrete.
[0016] Further, the support sleeve, the support protrusion and the base are integrally formed plastic parts, and the beneficial effect of this step is that the integrally formed parts are convenient for subsequent processing.
[0017] Further, the diameter of the load bearing part is smaller than the diameter of the through hole, and the beneficial effect of this step is to ensure that the subsequent load bearing part is welded and fixed through size design.
[0018] Further, the load bearing part is a vertical load bearing rib with a diameter of 18 mm, the support plate is a steel plate with a thickness of 1 cm, and the diameter of the through hole is 20 mm, and the beneficial effect of this step is that the subsequent welding and fixing are convenient.
[0019] Further, the cross-sectional area of the base is larger than the cross-sectional area of the support sleeve, and the beneficial effect of this step is to ensure the stable support of the support sleeve.
[0020] The one or more technical solutions provided in the embodiment of the application have at least the following technical effects or advantages:
[0021] 1. The application is provided with a support sleeve and a support protrusion, which can form stable support when subsequent concrete is poured.
[0022] 2. The specific sizes of the various components are designed, which is convenient for subsequent processing and assembly. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0024] Figure 1 The structural schematic view of the combined support installation tool at the bottom of the floor slab of the jump floor stairwell of the specific embodiment of the present application;
[0025] Figure 2 For Figure 1 The structural schematic view of the support sleeve and the base part in the middle;
[0026] Figure 3 For Figure 1 The structural schematic view of the load-bearing part and the support plate part in the middle;
[0027] 1-base; 2-support sleeve; 3-supporting protrusion; 4-load-bearing part; 5-support plate; 6-through hole; 7-mold support stand; 8-shearing support. Specific embodiments
[0028] The embodiments of the technical solutions of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.
[0029] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be understood as the usual meaning understood by the skilled person in the field of the present application.
[0030] In the present application, unless otherwise specified and limited, the terms "mounting", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0031] In order to better understand the above technical solutions, the above technical solutions will be described in detail below with reference to the drawings in the specification and the specific embodiments.
[0032] Embodiment:
[0033] For example, Figures 1-3As shown, the application discloses a kind of bottom combination support installation tools of jump floor stair floor, can meet integrity, stability and other requirements, also can benefit energy saving and environmental protection, green construction, especially cost saving, social resources can be recycled.
[0034] As Figure 1 , 2 As shown, the specific structure of the application includes:
[0035] Base 1, the base 1 is mainly used as support, the application is multiple together when using;
[0036] Support sleeve 2 is vertically installed on the base 1, and support protrusions 3 are arranged at intervals on the outer side of the support sleeve 2;The application can further ensure the stability during pouring by using support protrusions 3;
[0037] Load-bearing member 4 is vertically arranged, the bottom end of the load-bearing member 4 is installed into the support sleeve 2, and the top end of the load-bearing member 4 extends out of the support sleeve 2, the load-bearing member 4 extends into the supporting full hall scaffold stand, for ensuring stability;
[0038] Support plate 5 is installed on the load-bearing member 4, and a through hole 6 is formed in the support plate 5 for the load-bearing member to pass through, the support plate 5 plays a supporting role, for ensuring the stability of the supporting formwork stand;
[0039] Formwork stand 7 is screwed to the load-bearing member 4 at the bottom, and the formwork stand 7 can be an existing stand;
[0040] Scissors 8 is installed inside the formwork stand 7 to ensure the stability of the formwork stand 7 structure.
[0041] In order to further improve the stability during pouring, the application designs the support protrusions as T-shaped, which cooperates with the concrete to further prevent shrinkage cracks caused by solidified concrete shrinkage.
[0042] At the same time, in order to facilitate the production and manufacture of related parts, the support sleeve 2 and the support protrusions 3 are integrally formed plastic parts.
[0043] In order to ensure the stable assembly of the load-bearing member and the support plate, the diameter of the load-bearing member 4 is less than the diameter of the through hole 6, and full welding is carried out after assembly.
[0044] Specifically, in order to ensure the strength after assembly, as shown in the figure, Figure 3 The load-bearing member 4 is a vertical load-bearing bar with a diameter of 18mm, the support plate 5 is a steel plate with a thickness of 1cm, and the diameter of the through hole 6 is 20mm.
[0045] At the same time, the cross-sectional area of the base 1 is larger than the cross-sectional area of the support sleeve 2.
[0046] The support sleeve in the application is made of plastic.
[0047] The manufacturing method of the application is as follows:
[0048] S1: according to the size requirements of the drawings, the components in the application are batched and cut;
[0049] S2: the steel support plate (support plate) and the vertical bearing bar (bearing member) are respectively batch welded and assembled, in order to ensure that the application can bear the upper load with sufficient strength, the support plate is provided with a hole in the center, and the hole is plugged and welded at the height of 180mm of the vertical bearing bar.
[0050] S3: according to the size of the drawings, the plastic protective sleeve (support sleeve) is selected, in order to ensure the stability of the formwork support, the base and the support sleeve are selected, the vertical bearing steel bar is placed in the sleeve, and the transparent adhesive tape is used to seal the gap between the sleeve and the vertical bearing steel bar to prevent the concrete from pouring into the sleeve during the concrete operation.
[0051] S4: according to the design scheme, the point position of the assembly of the application is determined by pop line on the template;
[0052] S5: the formwork support stand is directly placed on the steel support plate of the application and is temporarily connected by horizontal pull rods, after all the vertical rods and horizontal pull rods are erected, the verticality of the vertical rods and the levelness of the pull rods are adjusted. The cantilever length of the adjustable support of the formwork support extending out of the top horizontal rod is strictly prohibited to exceed 650mm, and the exposed length of the screw rod is strictly prohibited to exceed 300mm, and the insertion length of the adjustable support into the vertical rod should not be less than 200mm;
[0053] S6: the scissors support is erected, the bottom end of the vertical scissors support rod should be tightly contacted with the base plate or the ground, the inclination angle is between 45° and 60°, the rotating buckle is preferably close to the main node, and the distance between the center line and the main node is not greater than 150mm.
[0054] In the specification of the utility model, a large number of specific details are explained. However, it can be understood that the embodiments of the utility model can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail, so as not to obscure the understanding of the specification.
[0055] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.
[0056] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.
Claims
1. A tool for installing a combined support at the bottom of a duplex staircase floor slab, characterized in that, include: Base; A support sleeve is vertically installed on the base, and support protrusions are provided at intervals around the outer perimeter of the support sleeve; The load-bearing component is vertically installed, and its bottom end extends into the support sleeve. A support plate is installed on the load-bearing component, and the support plate has a through hole for the load-bearing component to pass through; The bottom of the formwork support upright is screwed onto the load-bearing component; The scissor brace is installed inside the upright of the formwork support frame.
2. The combined support installation tool for the bottom of the floor slab of a duplex stairwell according to claim 1, characterized in that, The support protrusion is T-shaped.
3. The combined support installation tool for the bottom of the floor slab of a duplex stairwell according to claim 2, characterized in that, The support sleeve, the support protrusion, and the base are integrally molded plastic parts.
4. The combined support installation tool for the bottom of the floor slab of a duplex stairwell according to claim 1, characterized in that, The diameter of the load-bearing component is smaller than the diameter of the through hole.
5. The combined support installation tool for the bottom of the floor slab of a duplex stairwell according to claim 4, characterized in that, The load-bearing component is a vertical load-bearing rib with a diameter of 18mm, the support plate is a 1cm steel plate, and the diameter of the through hole is 20mm.
6. The combined support installation tool for the bottom of the floor slab of a duplex stairwell according to claim 1, characterized in that, The cross-sectional area of the base is larger than the cross-sectional area of the support sleeve.