Foldable post-cast strip protection device
By designing a foldable post-pouring protection device, the problems of insufficient hardness and unenvironmentality of traditional protection methods are solved, and the effects of high structural strength, reusability and quick construction are achieved.
Patent Information
- Application Number
- CN202421882006.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-08-05
AI Technical Summary
The traditional back-pouring tape protection method has insufficient hardness, short service life, frequent maintenance, and is not environmentally friendly, and cannot be reused, which increases construction costs.
A foldable rear casting tape protection device is designed, including a left support and a right support arranged in parallel, a support rod and a foldable protection plate. The protection plate is folded and unfolded through a hinged connection. The support member and support rod are hollow tubes to enhance structural strength.
The device has good structural strength, extends the service life of the post-pouring tape protection period, and is reusable, environmentally friendly, fast and convenient to construct, and reduces the cost of construction measures.
Smart Images

Figure CN222862938U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a foldable post-casting belt protection device. Background Art
[0002] At present, in the construction of most housing construction projects, factors such as temperature shrinkage and settlement of reinforced concrete are often considered. Therefore, the post-cast strips are divided according to requirements during the design stage. Post-cast strips are generally cast after the main body is capped. During the recovery period, the post-cast strip area needs to be protected to prevent vehicles, personnel, etc. from damaging it, thereby causing quality problems such as steel deformation. The traditional protection method is to lay waste multi-layer formwork above the post-cast strip area as temporary protection, but the biggest problem of this method is insufficient hardness, short service life, frequent maintenance, and easy to be damaged by humans. At the same time, used multi-layer formwork cannot be reused, which not only increases the cost, but also does not conform to the concept of green construction. Therefore, it is necessary to propose a foldable post-cast strip protection device with better structural hardness, reusability, and easy installation and disassembly. Summary of the invention
[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a foldable post-casting strip protection device.
[0004] In order to achieve the above-mentioned purpose of the invention, the technical solution adopted by the utility model is: it includes a left support member and a right support member arranged in parallel, two parallel support rods are arranged on the left support member and the right support member, and support openings for placing the support rods are arranged on the left support member and the right support member; foldable protective plates are arranged on the top of the two support rods.
[0005] Furthermore, the foldable protective plate includes several protective plates, and two short sides of adjacent protective plates are connected by a connecting piece. The connecting piece is provided with two hinge holes, and each hinge hole is provided with a hinge screw. Threaded holes matching the hinge screws are provided on two adjacent protective plates, and the connecting piece is connected to the two adjacent protective plates through the two hinge screws.
[0006] Furthermore, the protection plate is a wooden board, a plastic board or a hollow metal board.
[0007] Furthermore, the outer part of the hinge screw that cooperates with the connecting piece is a polished rod.
[0008] Furthermore, the hinge hole on the connecting piece is a countersunk hole.
[0009] Furthermore, the width of the support opening is greater than the width of the support rod.
[0010] Furthermore, a bottom support plate is provided at the bottom of the left support member and the bottom of the right support member, and the bottom support plate is welded and fixed to the left support member.
[0011] Furthermore, the left support member, the right support member and the support rod are all hollow tubes.
[0012] Furthermore, the left support member, the right support member and the support rod are all square tubes or round tubes.
[0013] The beneficial effects of the utility model are:
[0014] The left support and the right support of the utility model are provided with support openings, and two support rods are installed on the left support and the right support through the support openings. The two support rods form a plane for installing the foldable protection plate, so that the foldable protection plate has good structural strength under the support of the two support rods, thereby extending the service life of the post-casting belt protection period. The foldable protection plate can be curled or folded for storage, and the left support, the right support and the support rod can be easily disassembled and stored, so as to facilitate the transfer and use of the foldable post-casting belt protection device.
[0015] The post-cast strip protection device of the utility model has good structural strength, can prolong the service life of the post-cast strip during the protection period, and the protection device can be repeatedly recycled, is green and environmentally friendly, and is quick and convenient to construct.
[0016] The utility model is inspired by the design of bamboo slips and camping egg roll tables. The egg roll table is quick and convenient to unfold and fold, so we slightly improve its structure and lay it on the post-cast strip as a protective device for the post-cast strip.
[0017] The foldable post-casting belt protection device of the utility model can improve construction efficiency, has good durability, can be used cyclically, reduces construction measure costs, and is green and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model in a top view;
[0019] Figure 2 It is a structural schematic diagram of a support member and a support rod;
[0020] Figure 3 is a top view of the foldable protection plate;
[0021] Figure 4 It is a partial structural view of the foldable protection plate in the top view direction;
[0022] Figure 5 This is the unfolding schematic diagram of the foldable protection plate;
[0023] Figure 6 The figure is a folding principle diagram of the foldable protective plate;
[0024] Figure 7 The working principle of the utility model is shown in FIG. Figure 1 ;
[0025] Figure 8 The working principle of the utility model is shown in FIG. Figure 2 ;
[0026] Fig. 9 The working principle of the utility model is shown in FIG. Figure 3 ;
[0027] The symbols of the components are as follows:
[0028] 1. Left support member; 11. Support opening; 2. Right support member; 3. Support rod; 4. Foldable protection plate; 41. Protection plate; 42. Connector; 43. Hinge screw; 5. Post-cast strip; 6. Cement mortar; 7. Concrete floor slab. DETAILED DESCRIPTION
[0029] The specific implementation methods of the utility model are described below to facilitate technical personnel in this technical field to understand the utility model, but it should be clear that the utility model is not limited to the scope of the specific implementation methods. For ordinary technical personnel in this technical field, as long as various changes are within the spirit and scope of the utility model defined and determined by the attached claims, these changes are obvious, and all utility model creations using the concept of the utility model are protected.
[0030] like Figure 1 , 2 As shown in Figure 3, the foldable post-cast strip protection device includes a left support member 1 and a right support member 2 arranged in parallel, two parallel support rods 3 are arranged on the left support member 1 and the right support member 2, and support openings 11 for placing the support rods 3 are arranged on the left support member 1 and the right support member 2. The two support rods 3 are installed on the left support member 1 and the right support member 2 through the support openings 11. A foldable protection plate 4 is arranged on the top of the two support rods 3, and the two support rods 3 form a supporting surface for installing the foldable protection plate 4. The foldable protection plate 4 is unfolded and placed on the two support rods 3, so as to cover and protect the top of the post-cast strip to ensure the solidification of the post-cast strip.
[0031] like Figure 4 , 5As shown in Figure 6, the foldable protective plate 4 includes a plurality of protective plates 41, and two short sides of adjacent protective plates 41 are connected by a connecting piece 42. The connecting piece 42 is provided with two hinge holes, and a hinge screw 43 is provided in each hinge hole. Two adjacent protective plates 41 are provided with threaded holes that cooperate with the hinge screws 43. The connecting piece 42 is connected to the two adjacent protective plates 41 through two hinge screws 43, wherein the outer part where the hinge screws 43 cooperate with the connecting piece 42 is a bare rod, so that the rotation between the connecting piece 42 and the hinge screw 43 is smoother. The plurality of protective plates 41 of the foldable protective plate 4 are connected by the connecting piece 42 to form a structure similar to bamboo slips. The foldable protective plate 4 can be curled and stored through the connecting piece 42, or it can be folded and stored, so as to facilitate the storage of the connecting piece 42. The protective plate 2 is preferably a wooden board, a plastic board or a hollow metal board. It is also possible to select two side protection plates 41 on the foldable protection plate 4, the two protection plates 41 are symmetrically arranged, and two U-shaped buckles are arranged at the bottom of the two protection plates 41, and the U-shaped buckles can be snap-fitted with the support rod 3, and the shape of the U-shaped buckles is adapted to the shape of the support rod 3. When the support rod 3 has a circular cross section, the U-shaped buckles can be water pipe plastic buckles.
[0032] In this embodiment, the hinge hole on the connecting member 42 is a countersunk hole, and the countersunk hole can cooperate with the large end of the hinge screw 4, so as to realize the rotational fixation of the connecting member 42 by the hinge screw 4.
[0033] In this embodiment, the width of the support opening 11 is greater than the width of the support rod 3. The distance between the left support member 1 and the right support member 2 is less than the length of the support rod 3, which prevents the support rod 3 from sliding off on the left support member 1 and the right support member 2.
[0034] In this embodiment, a bottom support plate is provided at the bottom of the left support member 1 and the right support member 2, and the bottom support plate is welded and fixed to the left support member 1. There can be multiple bottom support plates, and the left support member 1 and the right support member 2 can be placed and fixed by the bottom support plates, so as to facilitate the installation of the support rod 3.
[0035] In this embodiment, the left support member 1, the right support member 2 and the support rod 3 are preferably hollow tubes. The left support member 1, the right support member 2 and the support rod 3 are preferably square tubes or round tubes.
[0036] Working process and principle:
[0037] S1. First, pour the concrete floor slab 7 on both sides of the post-cast strip. When the concrete strength grade reaches 1.2Mpa, people start construction. At 100mm away from the edges of both sides of the post-cast strip, cement mortar 6 is used to fix the left support member 1 and the right support member at the same height and on the same straight line. The left support member 1 and the right support member 2 are preferably 20mm×60mm square steel rectangular tubes, such as Figure 7 and8 ; It is also possible not to use cement mortar 6 to fix the left support member 1 and the right support member 2. A bottom support plate can be set at the bottom of the left support member 1 and the right support member 2. The left support member 1 and the right support member 2 can be placed and fixed by using the bottom support plate. This method can greatly facilitate the installation and disassembly of the left support member 1 and the right support member 2;
[0038] S2, installing two support rods 3 in the support openings on the left support member 1 and the right support member 2, and using the two support rods 3 to form a mounting plane for the foldable protection plate 4;
[0039] S3, after the strength of cement mortar 6 reaches the requirement, unfold the foldable protection plate 4, and then spread and fix it on two support rods 3. After installation, it can play the role of post-casting belt protection. Fig. 9 As shown; when a U-shaped buckle is provided at the bottom of the foldable protective plate 4, the U-shaped buckle can be snapped onto the two support rods 3 so that the foldable protective plate 4 will not move or fall off after installation;
[0040] S4. After the later use is completed, the foldable protection plate 4 is folded and stored, the left support member 1, the right support member 2 and the support rod 3 are removed, and the foldable post-casting belt protection device is transported to the next construction site for use.
Claims
1. A foldable post-casting strip protection device, characterized in that: The invention comprises a left support member (1) and a right support member (2) which are arranged in parallel, wherein two parallel support rods (3) are arranged on the left support member (1) and the right support member (2), and support openings (11) for placing the support rods (3) are arranged on the left support member (1) and the right support member (2); and foldable protective plates (4) are arranged on the tops of the two support rods (3).
2. The foldable post-casting strip protection device according to claim 1 is characterized in that: The foldable protective plate (4) comprises a plurality of protective plates (41), two short sides of adjacent protective plates (41) are connected by a connecting piece (42), two hinge holes are arranged on the connecting piece (42), a hinge screw (43) is arranged in each hinge hole, threaded holes cooperating with the hinge screw (43) are arranged on two adjacent protective plates (41), and the connecting piece (42) is connected to the two adjacent protective plates (41) by the two hinge screws (43).
3. The foldable post-casting strip protection device according to claim 2 is characterized in that: The protection plate (41) is a wooden board, a plastic board or a hollow metal board.
4. The foldable post-casting strip protection device according to claim 2 is characterized in that: The outer part of the hinge screw (43) that cooperates with the connecting piece (42) is a polished rod.
5. The foldable post-casting strip protection device according to claim 2 is characterized in that: The hinge hole on the connecting piece (42) is a countersunk hole.
6. The foldable post-casting strip protection device according to claim 1 is characterized in that: The width of the support opening (11) is greater than the width of the support rod (3).
7. The foldable post-casting strip protection device according to claim 1 is characterized in that: The bottoms of the left support member (1) and the right support member (2) are both provided with bottom support plates, and the bottom support plates are fixed to the left support member (1) by welding.
8. The foldable post-casting strip protection device according to claim 1 is characterized in that: The left support member (1), the right support member (2) and the support rod (3) are all hollow tubes.
9. The foldable post-casting strip protection device according to claim 1, characterized in that: The left support member (1), the right support member (2) and the support rod (3) are all square tubes or round tubes.