CN219909639U - Anti-drop concrete round cushion block - Google Patents
Anti-drop concrete round cushion block Download PDFInfo
- Publication number
- CN219909639U CN219909639U CN202321705312.3U CN202321705312U CN219909639U CN 219909639 U CN219909639 U CN 219909639U CN 202321705312 U CN202321705312 U CN 202321705312U CN 219909639 U CN219909639 U CN 219909639U
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- China
- Prior art keywords
- cushion block
- concrete
- steel bar
- block
- stop block
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- 239000004567 concrete Substances 0.000 title claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 21
- 238000010276 construction Methods 0.000 abstract description 7
- 239000011241 protective layer Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 238000012797 qualification Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Abstract
The utility model discloses an anti-drop concrete round cushion block, which comprises a concrete cushion block and a stop block; the shape of the stop block is the same as that of the mounting notch, and the stop block is mounted in the mounting notch. The two side walls of the mounting notch are both formed into a saw-tooth structure, and correspondingly, the two side walls of the stop block are also formed into a saw-tooth structure; according to the utility model, the serrated stop block is arranged in the serrated mounting notch, so that the stop block is not easy to separate from the cushion block, and the cushion block is not easy to drop from the steel bar, so that the cushion block is prevented from falling off, the cushion block is prevented from falling off or sliding due to tamping or vibrating the steel bar when concrete is poured, and the support stability of the cushion block is improved; the cushion block is sleeved on the steel bar through the installation notch during installation, and the installation notch is plugged by the stop block, so that the thickness of the protective layer at the cushion block installation position is consistent, and the installation is convenient, so that the qualification rate of the protective layer and the construction efficiency of the steel bar framework are greatly improved, and the method has great popularization significance.
Description
Technical Field
The utility model relates to the technical field of cushion blocks for concrete pouring, in particular to an anti-drop concrete round cushion block.
Background
At present, the reinforced protection layer is mainly controlled by binding the concrete cushion block on the reinforced bar, but the existing reinforced concrete cushion block is generally bound on the reinforced bar, and the cushion block is not easy to install because of being bound, and therefore the binding cannot be very firm, so that the cushion block often has deviation in thickness of the protection layer due to collision displacement, breakage defect and the like during mold entering, and the structural safety is directly influenced.
Therefore, it is necessary to develop a concrete round pad for preventing the drop-off to solve the above problems.
Disclosure of Invention
The utility model aims to design an anti-drop concrete round cushion block for solving the problems.
The utility model realizes the above purpose through the following technical scheme:
anti-drop concrete round cushion includes:
a concrete cushion block; the concrete cushion block is formed into a cylinder shape, a penetrating round steel bar perforation is arranged at the axis of the concrete cushion block, a mounting notch is arranged on the side wall of the concrete cushion block, the length of the mounting notch is the same as that of the concrete cushion block, and the inner side of the mounting notch is communicated with the steel bar perforation; the concrete cushion block is sleeved on the steel bar through the steel bar perforation; the length between the inner wall and the outer wall of the concrete cushion block is equal to the thickness of the concrete protection layer;
a stop block; the shape of the stop block is the same as that of the mounting notch, and the stop block is mounted in the mounting notch.
Specifically, both side walls of the mounting notch are formed into a saw-tooth structure, and correspondingly, both side walls of the stop block are also formed into a saw-tooth structure.
Specifically, the minimum width of the mounting gap is greater than the diameter of the rebar.
Specifically, the stop block is a plastic stop block.
Specifically, the inboard of dog is provided with the arc recess that matches with the reinforcing bar radian, and the outside of dog forms the cambered surface the same with the lateral wall of concrete pad.
The utility model has the beneficial effects that:
1. according to the utility model, the serrated stop block is arranged in the serrated mounting notch, so that the stop block is not easy to separate from the cushion block, and the cushion block is not easy to drop from the steel bar, so that the cushion block is prevented from falling off, the cushion block is prevented from falling off or sliding due to tamping or vibrating the steel bar when concrete is poured, and the support stability of the cushion block is improved;
2. the cushion block is sleeved on the steel bar through the installation notch during installation, and the installation notch is plugged by the stop block, so that the thickness of the protective layer at the cushion block installation position is consistent, and the installation is convenient, so that the qualification rate of the protective layer and the construction efficiency of the steel bar framework are greatly improved, and the method has great popularization significance.
Drawings
FIG. 1 is a top view of the present utility model, schematically illustrating the use thereof;
FIG. 2 is a schematic view of the structure of a concrete pad according to the present utility model;
in the figure: 1-concrete cushion block, 11-steel bar perforation, 12-installation notch, 2-stop block and 3-steel bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships conventionally put in place when the inventive product is used, or the directions or positional relationships conventionally understood by those skilled in the art are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The following describes specific embodiments of the present utility model in detail with reference to the drawings.
As shown in fig. 1 and 2, the drop-off preventing concrete round pad includes:
a concrete cushion block 1; the concrete cushion block 1 is formed into a cylinder shape, a round steel bar perforation 11 penetrating through is arranged at the axis of the concrete cushion block 1, a mounting notch 12 is arranged on the side wall of the concrete cushion block 1, the length of the mounting notch 12 is the same as that of the concrete cushion block 1, and the inner side of the mounting notch 12 is communicated with the steel bar perforation 11; the concrete cushion block 1 is sleeved on the steel bar 3 through a steel bar perforation 11; the length between the inner wall and the outer wall of the concrete cushion block 1 is equal to the thickness of the concrete protection layer;
a stopper (2); the shape of the stop block 2 is the same as that of the mounting notch 12, and the stop block 2 is mounted in the mounting notch 12.
Both side walls of the mounting notch 12 are formed into a saw-tooth structure, and correspondingly, both side walls of the stop block 2 are also formed into a saw-tooth structure.
The minimum width of the installation gap 12 is larger than the diameter of the reinforcing bar 3. Such a design is convenient for the spacer to be sleeved on the reinforcing steel bar 3.
The stop block 2 is a plastic stop block 2. The plastic stop block 2 has elasticity, and in some cases, when the plastic stop block 2 is installed, the steel bar 3 is closely contacted with the plastic stop block 2, and the relative axial displacement between the steel bar 3 and the concrete cushion block 1 can be prevented by friction force.
The inner side of the stop block 2 is provided with an arc-shaped groove matched with the radian of the steel bar 3, and the outer side of the stop block 2 is formed into an arc surface identical to the side wall of the concrete cushion block 1.
The production and installation of the utility model comprises the following steps:
s1, determining the outer diameter of a cushion block;
s2, determining the diameter of a preformed hole in the cushion block;
s3, determining the thickness of the cushion block and the strength of the concrete;
s4, determining the size of a saw tooth opening of the cushion block;
s5, determining the size and the material of the plastic stop block;
s6, installing and using the cushion block.
Wherein step S1, determining the outer diameter comprises the steps of:
a1, designing the thickness of a protective layer as a radius according to the planned installation position of the cushion block, and determining the outer diameter of the cushion block;
a2, allowing the thickness deviation range of the protective layer and the distance between the steel reinforcement frameworks to refine the outer diameter of the cushion block according to the design and the specification.
Step S2, determining the diameter of a preformed hole in the cushion block comprises the following steps:
b1, determining the diameter of a preformed hole in the cushion block according to the diameter of a steel bar at the to-be-installed position of the cushion block after properly considering the movable space (generally 2 mm);
wherein, step S3, determining the thickness of the cushion block and the strength of the concrete comprises the following steps:
c1, designing a required cushion block thickness according to a cushion block to-be-installed position, and determining the cushion block thickness;
c2, according to the outer diameter of the cushion block, considering the integrality of the cushion block in the processes of demoulding, transportation, installation and use, and refining the thickness of the cushion block;
and C3, designing the strength of concrete according to the planned installation position of the cushion block, and determining that the strength of the cushion block is not less than the strength.
Wherein step S4, determining the size of the saw tooth opening of the cushion block comprises the following steps:
d1, setting the edges of the grooves into a sawtooth shape for preventing the plastic stop blocks from falling off;
and D2, the minimum clearance between the two sawtooth grooves is the same as the diameter of the reserved hole in the cushion block, so that the steel bar can be conveniently penetrated.
Step S5, determining the size and the material of the plastic stop block comprises the following steps:
e1, the size of the plastic stop block is matched with that of the saw tooth opening of the cushion block;
e2, the corner point of the plastic stop block near the inner reserved hole area is sharp, and the plastic stop block is designed to be in an arc chamfer mode;
e3, the plastic stop block material meets the corresponding strength, rigidity and stability under the construction conditions (high temperature, low temperature, rain and snow, fire resistance and the like) of the reinforced concrete;
the step S6 is that the cushion block installation and use flow comprises the following steps:
f1, determining the specification and the size of the cushion block and the plastic stop block according to the design requirement of the reinforced concrete at the to-be-installed position of the cushion block;
f2, carrying out centralized production in a prefabricated field according to the determined specification and size of the cushion block and the plastic stop block;
and F3, according to the arrangement of the construction site, inserting a concrete round cushion block into a planned installation position in a steel bar storage area or a steel bar installation process, and then installing a plastic stop block to complete the installation of the rear-wearing type anti-drop concrete round cushion block.
Examples
The pile diameters of the pile foundation of the bridge pier of the 342 provincial ordinary east-segment reconstruction and expansion engineering are 1.2m and 1.6m, the concrete strength is C30 underwater, and four cushion blocks are distributed at equal intervals along the reinforcing stirrups. According to the distance between the steel reinforcement frameworks and the allowable deviation range of the thickness of the designed protective layer, the outer diameter of the cushion block is respectively 24cm and 24.7cm. Considering the movable space and the diameter of the steel bar, the diameter of a preformed hole in the cushion block is 4cm, and the minimum clearance between two sawtooth grooves of the cushion block is the same as the inner preformed diameter. According to design requirements and the strength of the cast-in-place pile concrete, the integrity of the cushion block in the demolding, transportation, installation and use processes is considered, and a C30 cushion block with the thickness of 10cm is adopted. And analyzing the strength, rigidity and stability requirements corresponding to construction conditions, wherein the stop block is made of plastic materials, the size of the stop block is matched with that of the saw tooth opening of the cushion block, and the area close to the reserved hole is designed into an arc chamfer form so as to be convenient for inserting the reinforcing steel bar. The cushion blocks are produced in a centralized manner in a prefabricated field, and when the concrete round cushion block is used, the concrete round cushion block is inserted into a planned installation position, and then the plastic stop block is installed. The utility model has simple structure and convenient manufacture, adopts the arc chamfer form plastic stop block, has the size matched with the saw tooth opening of the cushion block, has accurate positioning, is convenient for penetrating the reinforcing steel bar, is quickly fixed, and improves the construction efficiency of the reinforcing steel bar cushion block; the utility model reduces the production cost of the cushion block, saves energy in construction, protects environment and has little pollution to the surrounding environment.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (5)
1. Anti-drop concrete round cushion, its characterized in that includes:
a concrete cushion block; the concrete cushion block is formed into a cylinder shape, a penetrating round steel bar perforation is arranged at the axis of the concrete cushion block, a mounting notch is arranged on the side wall of the concrete cushion block, the length of the mounting notch is the same as that of the concrete cushion block, and the inner side of the mounting notch is communicated with the steel bar perforation; the concrete cushion block is sleeved on the steel bar through the steel bar perforation; the length between the inner wall and the outer wall of the concrete cushion block is equal to the thickness of the concrete protection layer;
a stop block; the shape of the stop block is the same as that of the mounting notch, and the stop block is mounted in the mounting notch.
2. The rounded pad of anti-slip concrete as recited in claim 1, wherein both sidewalls of the mounting notch are formed in a zigzag structure, and correspondingly, both sidewalls of the stopper are formed in a zigzag structure.
3. The drop-resistant concrete round pad of claim 2, wherein the minimum width of the mounting gap is greater than the diameter of the rebar.
4. A concrete rounded pad according to any one of claims 1 to 3, wherein the stop is a plastic stop.
5. The drop-resistant concrete rounded pad of claim 1, wherein the inner side of the stopper is provided with an arc-shaped groove matching the arc of the reinforcing steel bar, and the outer side of the stopper is formed as the same arc surface as the side wall of the concrete pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321705312.3U CN219909639U (en) | 2023-06-30 | 2023-06-30 | Anti-drop concrete round cushion block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321705312.3U CN219909639U (en) | 2023-06-30 | 2023-06-30 | Anti-drop concrete round cushion block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219909639U true CN219909639U (en) | 2023-10-27 |
Family
ID=88433356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321705312.3U Active CN219909639U (en) | 2023-06-30 | 2023-06-30 | Anti-drop concrete round cushion block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219909639U (en) |
-
2023
- 2023-06-30 CN CN202321705312.3U patent/CN219909639U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |