Reusable steel fiber concrete prefabricated slab
By precasting protective structures and reinforcement ribs inside the precast steel fiber concrete prefabricated slab, the problem of the four corners not having reinforced protection is solved, and the corner protection and efficient lifting, disassembly and reuse of the slab are achieved.
Patent Information
- Application Number
- CN202421135667.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-01-10
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The four corners of the existing steel fiber concrete prefabricated plate lack a reinforced protective structure, which leads to easy damage during demolition and transportation, affecting reuse, and inconvenient removal and lifting.
The fixed sleeves, anti-slip blocks, anti-slip plates, fixed columns and reinforcement ribs are precast inside the prefabricated steel fiber concrete plates, and extension rods and shallow grooves are installed to facilitate protection of corners of the protective plate, facilitate lifting and disassembly, and increase the strength of the plate.
Effectively prevent corner damage, simplify the demolition and transportation process, and improve the reuse effect and convenience of prefabricated steel fiber concrete plates.
Smart Images
Figure CN222333090U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel fiber concrete prefabricated panels, in particular to a reusable steel fiber concrete prefabricated panel. Background Art
[0002] Steel fiber concrete is a new type of multiphase composite material formed by adding randomly distributed short steel fibers to ordinary concrete. These randomly distributed steel fibers can effectively hinder the expansion of microcracks inside the concrete and the formation of macrocracks, significantly improving the tensile, bending, impact and fatigue resistance of the concrete, and has good ductility.
[0003] Most of the existing steel fiber concrete precast panels do not have reinforced protective structures at the four corners. When the steel fiber concrete precast panels are dismantled and transported for reuse, the corners are easily damaged, which affects the reuse of the steel fiber concrete precast panels and is also inconvenient when dismantling and hoisting the steel fiber concrete precast panels. Utility Model Content
[0004] The utility model provides a reusable steel fiber concrete precast panel, aiming to solve the problem that most of the existing steel fiber concrete precast panels have no reinforced protective structure at the four corners, and when the steel fiber concrete precast panels are reused after being dismantled and transported, the corners are easily damaged, which affects the reuse of the steel fiber concrete precast panels, and it is also inconvenient to dismantle and hoist the steel fiber concrete precast panels, thus affecting the use effect.
[0005] The utility model is implemented as follows: a reusable steel fiber concrete prefabricated board comprises a steel fiber concrete prefabricated board body, a protective mechanism is arranged on the surface of the steel fiber concrete prefabricated board body, and extension rods are arranged on the front and rear sides of the steel fiber concrete prefabricated board body;
[0006] The protective mechanism includes a protective plate, a plurality of anti-skid discs and a plurality of fixed columns. The surface of the protective plate contacts the surface of the steel fiber concrete precast panel body, the anti-skid discs are fixedly connected to the surfaces of the fixed columns, and the surfaces of the fixed columns are fixedly connected to the surface of the protective plate.
[0007] In order to facilitate the effect of stably connecting the protective plate to the steel fiber concrete precast plate body, as a preferred reusable steel fiber concrete precast plate of the utility model, the surfaces of the anti-slip plate and the fixed column are fixedly connected to the inner wall of the steel fiber concrete precast plate body.
[0008] In order to achieve the effect of conveniently connecting the fixing sleeve with the steel fiber concrete precast panel body, a reusable steel fiber concrete precast panel of the utility model is preferably provided with fixing sleeves on the front and rear sides of the steel fiber concrete precast panel body, and casting holes are provided on the front and rear sides of the steel fiber concrete precast panel body, and the surface of the fixing sleeve is fixedly connected to the inner wall of the casting hole.
[0009] In order to achieve a more stable connection between the fixing sleeve and the steel fiber concrete precast panel body, as a preferred reusable steel fiber concrete precast panel of the utility model, the surface of the fixing sleeve is fixedly connected with an anti-sliding block, and the surface of the anti-sliding block is fixedly connected to the inside of the steel fiber concrete precast panel body.
[0010] In order to facilitate the movement of the extension rod, as a preferred reusable steel fiber concrete precast panel of the utility model, the extension rod extends to the interior of the fixing sleeve on one side close to the fixing sleeve and is connected to the internal thread of the fixing sleeve, and a hexagonal hole is opened inside the extension rod.
[0011] In order to facilitate the pulling of the steel fiber concrete precast panel body, a preferred reusable steel fiber concrete precast panel of the utility model has a shallow groove on the top of the steel fiber concrete precast panel body.
[0012] In order to increase the strength of the steel fiber concrete precast panel body, a reusable steel fiber concrete precast panel of the utility model is preferably provided with reinforcing ribs embedded inside the steel fiber concrete precast panel body, wherein the number of the reinforcing ribs is four and the reinforcing ribs are evenly distributed inside the steel fiber concrete precast panel body.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The reusable steel fiber concrete precast panel is prepared by pre-casting a fixing sleeve, an anti-slip block, an anti-slip plate, a fixing column and reinforcing ribs inside the steel fiber concrete precast panel body. At this time, the protective plate can protect the corners of the steel fiber concrete precast panel body, so as to avoid bumping and damage to the corners of the steel fiber concrete precast panel body during installation and disassembly of the steel fiber concrete precast panel body, thereby affecting the reuse of the steel fiber concrete precast panel body. By rotating the extension rod out of the fixing sleeve, the steel fiber concrete precast panel body can be conveniently hoisted by hanging an external sling on the surface of the extension rod. By hooking the external hook into the shallow groove, the steel fiber concrete precast panel body can be By pulling, it is convenient to pull a gap between the installed steel fiber concrete precast panel body and the steel fiber concrete precast panel body, so as to facilitate the removal of the extension rod from the fixing sleeve, and the strength of the steel fiber concrete precast panel body can be strengthened by pre-casting the reinforcing ribs inside the steel fiber concrete precast panel body, so as to facilitate the reuse of the steel fiber concrete precast panel body, and avoid the problem that most of the existing steel fiber concrete precast panels do not have a reinforced protective structure at the four corners. When the steel fiber concrete precast panels are dismantled and transported for reuse, the corners are easily damaged, which affects the reuse of the steel fiber concrete precast panels, and it is also inconvenient to dismantle and hoist the steel fiber concrete precast panels. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is the overall structural diagram of the reusable steel fiber concrete prefabricated panel of the utility model;
[0016] Figure 2 It is a three-dimensional structural schematic diagram of the steel fiber concrete prefabricated panel body in the utility model;
[0017] Figure 3 It is a three-dimensional exploded schematic diagram of the main body and the protective plate of the steel fiber concrete prefabricated panel in the utility model;
[0018] Figure 4 This is a cross-sectional view of the internal structure of the steel fiber concrete prefabricated panel body in the utility model;
[0019] Figure 5 It is a three-dimensional connection schematic diagram of the protection mechanism in the utility model;
[0020] Figure 6 For this utility model Figure 2 A partial enlarged view of the middle A;
[0021] Figure 7 It is a three-dimensional exploded schematic diagram of the fixing sleeve and the extension rod in the utility model.
[0022] In the figure, 1. Steel fiber concrete precast panel body; 2. Protection mechanism; 201. Protection plate; 202. Anti-skid plate; 203. Fixed column; 3. Casting hole; 4. Hexagonal hole; 5. Reinforcement rib; 6. Extension rod; 7. Fixed sleeve; 8. Shallow groove; 9. Anti-sliding block. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.
[0025] See also Figure 1-7 The utility model provides a technical solution: a reusable steel fiber concrete precast panel, comprising a steel fiber concrete precast panel body 1, a protective mechanism 2 is arranged on the surface of the steel fiber concrete precast panel body 1, and extension rods 6 are arranged on the front and rear sides of the steel fiber concrete precast panel body 1;
[0026] The protective mechanism 2 includes a protective plate 201, several anti-skid discs 202 and several fixed columns 203. The surface of the protective plate 201 contacts the surface of the steel fiber concrete precast panel body 1. The anti-skid discs 202 are fixedly connected to the surfaces of the fixed columns 203. The surfaces of the fixed columns 203 are fixedly connected to the surfaces of the protective plate 201.
[0027] In this embodiment: by pre-casting the fixing sleeve 7, the anti-slip block 9, the anti-slip plate 202, the fixing column 203 and the reinforcing rib 5 inside the steel fiber concrete precast panel body 1, the protective plate 201 can protect the corners of the steel fiber concrete precast panel body 1 to avoid bumping and damage to the corners of the steel fiber concrete precast panel body 1 during installation and disassembly of the steel fiber concrete precast panel body 1, which affects the reuse of the steel fiber concrete precast panel body 1. By rotating the extension rod 6 out of the fixing sleeve 7, the steel fiber concrete precast panel body 1 can be conveniently hoisted by hanging an external sling on the surface of the extension rod 6. By using an external hook to hook into the shallow groove 8, the steel fiber concrete precast panel body 1 can be hoisted. By pulling, it is convenient to pull a gap between the installed steel fiber concrete precast panel body 1 and the steel fiber concrete precast panel body 1, so as to facilitate the extension rod 6 to be moved out of the fixing sleeve 7, and the strength of the steel fiber concrete precast panel body 1 can be strengthened by pre-casting the reinforcing ribs 5 inside the steel fiber concrete precast panel body 1, so as to facilitate the reuse of the steel fiber concrete precast panel body 1, thereby avoiding the problem that most of the existing steel fiber concrete precast panels do not have a reinforced protective structure at the four corners, and the corners are easily damaged when the steel fiber concrete precast panels are reused after being dismantled and transported, which affects the reuse of the steel fiber concrete precast panels, and is also inconvenient when the steel fiber concrete precast panels are dismantled and hoisted.
[0028] As a technical optimization solution of the present invention, the surfaces of the anti-skid plate 202 and the fixed column 203 are both fixedly connected to the inner wall of the steel fiber concrete precast panel body 1 .
[0029] In this embodiment: by pre-casting the anti-skid plate 202 and the fixed column 203 inside the steel fiber concrete precast panel body 1, the connection between the protective plate 201 and the steel fiber concrete precast panel body 1 can be made more stable, thereby achieving the effect of facilitating the stable connection between the protective plate 201 and the steel fiber concrete precast panel body 1.
[0030] As a technical optimization solution of the utility model, a fixing sleeve 7 is provided on the front and rear sides of the steel fiber concrete precast panel body 1, and a casting hole 3 is provided on the front and rear sides of the steel fiber concrete precast panel body 1, and the surface of the fixing sleeve 7 is fixedly connected to the inner wall of the casting hole 3.
[0031] In this embodiment, the fixing sleeve 7 can be connected to the steel fiber concrete precast panel body 1 by pouring the fixing sleeve 7 inside the steel fiber concrete precast panel body 1, thereby achieving the effect of facilitating the connection of the fixing sleeve 7 to the steel fiber concrete precast panel body 1.
[0032] As a technical optimization solution of the utility model, the surface of the fixing sleeve 7 is fixedly connected with an anti-sliding block 9, and the surface of the anti-sliding block 9 is fixedly connected to the inside of the steel fiber concrete prefabricated panel body 1.
[0033] In this embodiment: by casting the anti-sliding block 9 inside the steel fiber concrete precast board body 1, the casting connection between the fixing sleeve 7 and the steel fiber concrete precast board body 1 can be made more stable, thereby achieving the effect of making the connection between the fixing sleeve 7 and the steel fiber concrete precast board body 1 more stable.
[0034] As a technical optimization solution of the utility model, the side of the extension rod 6 close to the fixing sleeve 7 extends to the inside of the fixing sleeve 7 and is connected with the internal thread of the fixing sleeve 7. A hexagonal hole 4 is opened inside the extension rod 6.
[0035] In this embodiment, since the extension rod 6 is threadedly connected to the inner wall of the fixing sleeve 7, when an external hexagonal wrench is inserted into the hexagonal hole 4 to rotate the extension rod 6, the extension rod 6 can be moved, thereby achieving the effect of facilitating the movement of the extension rod 6.
[0036] As a technical optimization solution of the utility model, a shallow groove 8 is opened on the top of the steel fiber concrete prefabricated panel body 1.
[0037] In this embodiment, by using an external hook to hook into the shallow groove 8, the steel fiber concrete prefabricated panel body 1 can be conveniently pulled, thereby achieving the effect of conveniently pulling the steel fiber concrete prefabricated panel body 1.
[0038] As a technical optimization solution of the present utility model, reinforcing ribs 5 are embedded inside the steel fiber concrete precast panel body 1 . The number of the reinforcing ribs 5 is four and they are evenly distributed inside the steel fiber concrete precast panel body 1 .
[0039] In this embodiment: by pre-casting the reinforcing ribs 5 inside the steel fiber concrete precast panel body 1, the strength of the steel fiber concrete precast panel body 1 can be strengthened, the steel fiber concrete precast panel body 1 can be prevented from cracking easily, the steel fiber concrete precast panel body 1 can be reused conveniently, and the effect of increasing the strength of the steel fiber concrete precast panel body 1 is achieved.
[0040] Working principle: First of all, it should be explained that the fixing sleeve 7, the anti-slip block 9, the anti-slip plate 202, the fixing column 203 and the reinforcing rib 5 are all pre-cast inside the steel fiber concrete precast panel body 1, so that the connection between the fixing sleeve 7 and the protective plate 201 and the steel fiber concrete precast panel body 1 is more stable, and the protective plate 201 can protect the corners of the steel fiber concrete precast panel body 1 to avoid the corners of the steel fiber concrete precast panel body 1 being easily damaged during dismantling and transportation, affecting the reuse of the steel fiber concrete precast panel body 1. When hoisting, use an external hexagonal wrench to insert into the hexagonal hole 4 and rotate it. Since the surface of the extension rod 6 is connected with the internal thread of the fixing sleeve 7, the extension rod 6 can be rotated out of the fixing sleeve 7. At this time, the external sling can be conveniently hung on the surface of the extension rod 6 to hoist the steel fiber concrete prefabricated panel body 1. After the steel fiber concrete prefabricated panel body 1 is hoisted to a suitable position, the extension rod 6 is rotated into the fixing sleeve 7 to store the extension rod 6. At this time, the external hook is hooked into the shallow groove 8 to pull the steel fiber concrete prefabricated panel body 1. The steel fiber concrete precast panel body 1 is finally installed in place. When the steel fiber concrete precast panel body 1 needs to be dismantled, an external hook is used to hook into the shallow groove 8 to pull a gap between the installed steel fiber concrete precast panel body 1 and the steel fiber concrete precast panel body 1. Then the extension rod 6 is rotated and moved to the outside of the fixing sleeve 7 to facilitate the disassembly and lifting of the steel fiber concrete precast panel body 1. At the same time, the protective plate 201 protects the corners of the steel fiber concrete precast panel body 1 to avoid damage that affects reuse. The reinforcing ribs 5 are pre-cast on The interior of the steel fiber concrete precast panel body 1 can strengthen the strength of the steel fiber concrete precast panel body 1, avoid cracking of the steel fiber concrete precast panel body 1, facilitate the reuse of the steel fiber concrete precast panel body 1, and avoid the problem that most of the existing steel fiber concrete precast panels do not have a reinforced protective structure at the four corners. When the steel fiber concrete precast panels are dismantled and transported for reuse, the corners are easily damaged, affecting the reuse of the steel fiber concrete precast panels, and it is also inconvenient to dismantle and hoist the steel fiber concrete precast panels.
[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A reusable steel fiber concrete prefabricated panel, comprising a steel fiber concrete prefabricated panel body (1), characterized in that: A protective mechanism (2) is provided on the surface of the steel fiber concrete precast panel body (1), and extension rods (6) are provided on the front and rear sides of the steel fiber concrete precast panel body (1); The protection mechanism (2) comprises a protection plate (201), a plurality of anti-skid discs (202) and a plurality of fixed columns (203); the surface of the protection plate (201) contacts the surface of the steel fiber concrete precast panel body (1); the anti-skid discs (202) are fixedly connected to the surfaces of the fixed columns (203); and the surfaces of the fixed columns (203) are fixedly connected to the surface of the protection plate (201).
2. The reusable steel fiber concrete prefabricated panel according to claim 1, characterized in that: The surfaces of the anti-slip plate (202) and the fixing column (203) are both fixedly connected to the inner wall of the steel fiber concrete prefabricated panel body (1).
3. The reusable steel fiber concrete prefabricated panel according to claim 1, characterized in that: The front and rear sides of the steel fiber concrete precast panel body (1) are both provided with fixing sleeves (7), the front and rear sides of the steel fiber concrete precast panel body (1) are both provided with casting holes (3), and the surface of the fixing sleeve (7) is fixedly connected to the inner wall of the casting hole (3).
4. The reusable steel fiber concrete prefabricated panel according to claim 3, characterized in that: The surface of the fixing sleeve (7) is fixedly connected with an anti-sliding block (9), and the surface of the anti-sliding block (9) is fixedly connected to the inside of the steel fiber concrete prefabricated panel body (1).
5. The reusable steel fiber concrete prefabricated panel according to claim 3, characterized in that: The side of the extension rod (6) close to the fixing sleeve (7) extends to the inside of the fixing sleeve (7) and is threadedly connected to the inside of the fixing sleeve (7). A hexagonal hole (4) is provided inside the extension rod (6).
6. The reusable steel fiber concrete prefabricated panel according to claim 1, characterized in that: A shallow groove (8) is provided on the top of the steel fiber concrete prefabricated panel body (1).
7. The reusable steel fiber concrete prefabricated panel according to claim 1, characterized in that: The steel fiber concrete precast panel body (1) is inlaid with reinforcing ribs (5), and the number of the reinforcing ribs (5) is four and they are evenly distributed inside the steel fiber concrete precast panel body (1).