CN218205758U - Different strength concrete intercepting device - Google Patents
Different strength concrete intercepting device Download PDFInfo
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- CN218205758U CN218205758U CN202221980971.3U CN202221980971U CN218205758U CN 218205758 U CN218205758 U CN 218205758U CN 202221980971 U CN202221980971 U CN 202221980971U CN 218205758 U CN218205758 U CN 218205758U
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- water bag
- concrete
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- steel bar
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Abstract
The utility model discloses a different strength concrete interception device, which comprises a cover plate arranged above a reinforcing mesh; a water bag is arranged between the two layers of reinforcing meshes below the cover plate; the dowel bars are vertically arranged and inserted in the first dowel bar holes on the cover plate; protective steel bars are obliquely arranged and inserted in the second steel bar inserting holes on the cover plate; the upper surface of the cover plate is provided with two fixed steel bars, and the cover plate is fixed by binding the fixed steel bars and the reinforcing mesh. The invention utilizes the characteristics of difficult water compression and strong fluidity to form a specific shape through the water bag to play the role of separating concrete; the water bag is expanded by water injection and is pressed by concrete, and the reinforcing steel bar gaps are deformed towards all directions to fill the reinforcing steel bar gaps, so that the concrete outflow is blocked. After the concrete is initially set, the water injection and drainage pipe and the exhaust pipe are opened, the water injection and drainage pipe is placed at the bottom of the beam, water in the water bag is discharged, the pressure of the water bag on the periphery disappears, after the fixed reinforcing steel bars are taken down, the cover plate, the inserted steel bars and the protective reinforcing steel bars can be easily taken down, and finally the water bag is taken out.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a different intensity concrete intercepting device.
Background
In the building project construction process, to pouring the longer or because of different load structures of structure, need pour different structural strength concretes, for preventing cast-in-place reinforced concrete structure because self shrink uneven or subside the harmful crack that uneven probably produced, according to the construction standard requirement, reserve at foundation slab, wall, roof beam relevant position and establish interim construction joint.
Due to the reasons of concrete pouring interruption, construction joints, post-cast strips and the like, the concrete needs to be intercepted, and the traditional method mainly comprises the step of inserting steel bars to match with a steel wire mesh or a template and the like for intercepting. The template is made of rigid material, and is inconvenient to mount and dismount in the middle of the reinforcing mesh; the interception of the steel wire mesh is not tight, the interception effect is not ideal, secondary picking and chiseling are needed in the later period, and time and labor are wasted; and to the pouring of different load structure roof beams, need establish 45 degrees angles of blocking the cross section, the steel wire net installation is comparatively inconvenient, and is difficult to control the installation angle of steel wire net. Therefore, it is necessary to design a device for effectively intercepting concrete to solve the above problems.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in overcoming the not enough of prior art, provides an ann and tears the convenience open, does not need the secondary to pick the different intensity concrete intercepting device of chisel.
The utility model discloses a following technical scheme realizes:
a different strength concrete interception apparatus comprising:
the cover plate (1) is arranged above the steel bar mesh (6) and is used for blocking the water bag (2) and protective layer concrete on the upper part of the steel bar mesh (6);
the water bag (2) is arranged in the middle of the two layers of the reinforcing mesh, and the water bag (2) is positioned right below the cover plate (1) and used for blocking poured concrete;
the vertical rows 12 of the inserting ribs (3) are inserted into the first inserting rib holes (11) in the cover plate (1), and the inserting ribs (3) are positioned on the outer side of the water bag (2) and used for preventing the water bag (2) from moving outwards;
the protective steel bars (4) are arranged and inserted into the second steel bar inserting holes (12) in the cover plate (1), and the protective steel bars (4) are arranged on one side, close to concrete, of the water bag (2) and used for protecting the water bag (2) from contacting the vibrating rod during vibrating;
the fixing steel bars (5) are arranged on the upper surface of the cover plate (1) and used for binding and fixing the cover plate (1) to the steel bar mesh (6);
wherein the water bag (2) is a flexible water bag, and the water bag (2) can fill the gaps of the reinforcing mesh (6) through water injection expansion.
The cover plate (1) comprises a concrete baffle (13) and a water bag baffle (14), the concrete baffle (13) and the water bag baffle (14) are connected in a welding mode at an included angle of 90 degrees, side plates (15) are arranged on two sides of the concrete baffle (13) and two sides of the water bag baffle (14), and at least two connecting holes (151) are formed in the side plates (15).
In a further proposal, the height of the concrete baffle (13) is not less than 30 mm.
The water bag (2) is in a ladder-shaped structure with one side vertical to the other side and an angle of 45 degrees, wherein the ladder-shaped structure is big at the top and small at the bottom.
Furthermore, the lower part of the outer side of the water bag (2) is provided with a flexible water injection and drainage pipe (21), the upper part of the outer side of the water bag (2) is provided with a flexible exhaust pipe (22), and the ports of the water injection and drainage pipe (21) and the exhaust pipe (22) are provided with detachable sealing covers (23).
The width of the first dowel hole (11) is larger than the diameter of the dowel (3); the width of the second dowel hole (12) is larger than the diameter of the protective steel bar (4).
According to a further scheme, a steel bar inserting positioning piece (16) is arranged on the outer side of the first steel bar inserting hole (11), and a protective steel bar positioning piece (17) is arranged on one side, close to the concrete baffle (13), of the second steel bar inserting hole (12).
In a further scheme, the steel bar inserting positioning piece (16) and the water bag baffle (14) form an included angle of 90 degrees, and the protective steel bar positioning piece (17) and the water bag baffle (14) form an included angle of 45 degrees.
Further, the length of the fixed reinforcing steel bar (5) is larger than that of the cover plate (1).
In a further scheme, the arrangement distance between the inserting bars (3) and the protective steel bars (4) is not more than 100 mm.
The utility model discloses a theory of operation:
the invention utilizes the characteristics of difficult water compression and strong fluidity to form a specific shape through the water bag to play the role of separating concrete; meanwhile, the water bag is prevented from moving upwards by the water bag baffle, the concrete is prevented from moving upwards by the concrete baffle, the concrete is protected by the steel bar protection layer at the upper part of the steel bar, the water bag is positioned at one side, close to the concrete, of the water bag through the protection steel bar, the water bag is protected from being in contact with the vibrating rod, and the water bag is prevented from moving outwards by the inserted bars; because the water bag is fixed by the water bag baffle, the bottom plate template, the joint bar, the protection bar and the side mold respectively at the upper part, the lower part, the left part, the right part, the front part and the rear part of the water bag, when the water bag is pressed by concrete, the water bag deforms towards the gaps of the steel bars in all directions to fill the gaps of the steel bars, thereby blocking the concrete from flowing outwards.
After the concrete is initially set, the water injection and drainage pipe and the exhaust pipe are opened, the water injection and drainage pipe is placed at the bottom of the beam, water in the water bag is discharged, the pressure of the water bag on the periphery disappears, the cover plate, the inserted steel bar and the protective steel bar can be easily taken down after the fixed steel bar is taken down, and finally the water bag is taken out.
The utility model discloses compare prior art's beneficial effect:
the utility model utilizes the flexible water bag to intercept the concrete, the water bag is filled with water and expanded to fill the gap of the reinforcing mesh, the concrete interception effect is good, and the problems of picking and chiseling of the concrete in the later period, concrete leakage, slurry leakage and the like caused by poor interception are avoided;
the utility model utilizes the concrete baffle plate on the cover plate to block the concrete on the reinforcing bar protective layer on the upper part of the reinforcing bar mesh, thereby preventing the concrete from leaking slurry from the upper part of the reinforcing bar mesh;
the utility model utilizes the inserted bars to block the water bag, thereby ensuring that the water bag does not move outwards when being pressed by concrete;
the utility model prevents the vibrating spear from contacting the water bag by utilizing the protective steel bars, and prevents the vibrating spear from contacting the water bag to damage the water bag when pouring concrete;
the utility model can arrange and intercept the concrete according to the width, has wide applicability, and can be widely applied to the concrete construction with different strength grades;
the utility model is convenient to install and dismantle, the cover plate, the water bag, the protective steel bar, the joint bar and the fixed steel bar can be repeatedly used, the material is saved, and the cost is reduced; and the whole structure is simple, the installation and the disassembly are convenient and rapid, and the time and the labor are saved.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention;
fig. 2 is a usage status diagram of a first embodiment of the present invention;
fig. 3 is an exploded view of a first embodiment of the present invention;
fig. 4 is a schematic perspective view of a cover plate according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a second embodiment of the present invention;
fig. 6 is a schematic perspective view of a second cover plate according to an embodiment of the present invention.
The reference numbers in the figures:
1-cover plate, 11-first dowel hole, 12-second dowel hole, 13-concrete baffle, 14-water bag baffle, 15-side plate, 151-connecting hole, 16-dowel positioning piece and 17-protective steel bar positioning piece;
2-water bag, 21-water filling and draining pipe, 22-exhaust pipe, 23-sealing cover;
3-inserting the steel bar;
4-protecting the reinforcing steel bars;
5-fixing the steel bars;
6-reinforcing mesh.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is provided with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 to 4, a different strength concrete intercepting apparatus, comprising: a cover plate 1 arranged above the reinforcing mesh 6; a water bag 2 is arranged between the two layers of reinforcing meshes 6 below the cover plate 1; the dowel bars 3 are vertically arranged and inserted in the first dowel bar holes 11 on the cover plate 1; protective steel bars 4 are obliquely arranged and inserted in the second steel bar inserting holes 12 on the cover plate 1; two fixed steel bars 5 are arranged on the upper surface of the cover plate 1, and the cover plate 1 is fixed through binding the fixed steel bars 5 and the steel bar mesh 6.
In some embodiments, as shown in fig. 4, the cover plate 1 comprises a concrete baffle 13 and a water bag baffle 14, the concrete baffle 13 and the water bag baffle 14 are welded at an included angle of 90 degrees, and the concrete baffle 13 is used for blocking the concrete of the reinforcement protection layer on the upper part of the steel mesh 6 and preventing the concrete from leaking slurry above the steel mesh; the water bag stopper 14 serves to block the upward movement of the water bag 2.
In some embodiments, as shown in fig. 4, the side plates 15 on both sides of the concrete barrier 13 and the water bag barrier 14 are used to reinforce the structural stability of the cover 1; the two connecting holes 151 on the side plate 15 are used for connecting and fixing two adjacent cover plates 1.
In some embodiments, the height of the concrete dam 13 is not less than 30 mm, which facilitates effective blocking of the concrete above the mesh reinforcement 6.
In some embodiments, the water bag 2 is made of a fiber-reinforced waterproof flexible material, and the water bag 2 is filled with water and expanded to fill the gaps of the reinforcing mesh 6, so as to prevent concrete leakage and slurry leakage.
In some embodiments, as shown in the figures, the water bag 2 is made into a trapezoidal structure with a 45-degree angle between one side and one side, so as to meet the section requirements of concrete interfaces with different strengths, the length of the upper part is not less than 100 mm, and the width of the water bag 2 is the same as the width of a beam.
In some embodiments, as shown in fig. 1, 2 and 3, the water filling and draining pipe 21 is disposed at a lower position of the vertical side of the water bag 2 to facilitate filling and draining of water into and out of the water bag 2; the upper part of the vertical side of the water bag 2 is provided with an exhaust pipe 22 for exhausting all gas from the exhaust pipe 22 when water is filled, so that the water bag can be filled with water conveniently.
In some embodiments, as shown in fig. 2 and 3, the filling and draining pipe 21 and the exhaust pipe 22 are provided with detachable sealing caps 23 at their ends, and the sealing caps 23 are covered to form a sealed water bag 2 to prevent water leakage when the water bag 2 is squeezed by concrete.
In some embodiments, the width of the first dowel hole 11 is greater than the diameter of the dowel 3; the width of the second dowel hole 12 is larger than the diameter of the protective steel bar 4; it is convenient for the dowel 3 and the protective steel bar 4 to be inserted into the first dowel hole 11 and the second dowel hole 12.
In some embodiments, as shown in fig. 4, a rib positioning element 16 is disposed outside the first rib hole 11, the rib positioning element 16 forms an included angle of 90 degrees with the water bag baffle 14, and the rib positioning element 16 is used for positioning the rib 3.
In some embodiments, as shown in fig. 4, a protective steel bar positioning member 17 is disposed at one side of the second steel bar inserting hole 12 close to the concrete baffle 13, the protective steel bar positioning member 17 forms a 45-degree included angle with the water bag baffle 14, and the protective steel bar positioning member 17 is used for positioning the protective steel bar 4, so that the protective steel bar 4 and the surface of the protective steel bar 4 form a 45-degree angle when the protective steel bar 4 is inserted, thereby meeting the requirements of the cross sections of concrete interfaces with different strengths.
In some embodiments, the length of the fixing bar 5 is greater than that of the cover plate 1, and the length is left to be sufficient to facilitate the wire-tying of the fixing bar 5 and the mesh reinforcement 6.
In some embodiments, the arrangement distance between the steel bars 3 and the protective steel bars 4 is not more than 100 mm, so that the water bag 2 is prevented from being extruded and deformed outwards from the gap due to the overlarge gap between the steel bars, and the concrete interception effect is prevented from being influenced.
In some embodiments, the diameter of the steel bar 3 and the protection bar 4 is not less than 10 mm, so as to prevent the steel bar 3 and the protection bar 4 from bending and deforming due to too small diameter and low strength, and prevent the water bag 2 from being blocked by the steel bar 3 and the protection bar 4.
In some embodiments, the surfaces of the cover plate 1, the joint bar 3 and the protective steel bar 4 are all subjected to corrosion prevention treatment.
The second embodiment:
in some embodiments, as shown in fig. 5, compared with the first embodiment, the water bag 2 is made into a flexible "C" shaped structure, the water bag 2 with the "C" shaped structure is used for post-cast concrete interception work with a water stop steel plate, and the water bag 2 is filled with water to wrap half of the water stop steel plate.
In some embodiments, as shown in fig. 6, compared to the first embodiment, the protecting-rebar positioning element 17 is disposed at one side of the second-rebar-inserting hole 12 close to the rebar 3, the protecting-rebar positioning element 17 forms an included angle of 90 degrees with the water-bag baffle 14, the protecting-rebar positioning element 17 is used for positioning the protecting rebar 4, and when the water bag 2 is expanded by injecting water, the protecting-rebar positioning element 17 can prevent the protecting rebar 4 from inclining outward.
The utility model discloses a working method:
use the utility model discloses the time, construct according to following step:
the first step is as follows: binding a lower layer of reinforcing mesh 6, placing a water bag 2 according to the interception requirement (post-pouring belt and expansion joint), and then binding an upper layer of reinforcing mesh 6 (two water stop steel plates are installed according to the requirement in the embodiment);
the second step is that: placing the cover plate 1 at the upper part of the water bag 2, placing the fixed steel bars 5 at the upper part of the cover plate 1, and binding the fixed steel bars 5 with the steel bar mesh 6 in an iron wire binding manner, thereby fixing the cover plate;
the third step: the inserted steel bar 3 and the protective steel bar 4 are respectively inserted through the first inserted steel bar hole 11 and the second inserted steel bar hole 12, and the lower parts of the inserted steel bar 3 and the protective steel bar 4 are respectively arranged at the outer side and the inner side of the stirrup, so that the lower parts of the inserted steel bar 3 and the protective steel bar 4 can not move when pressure is applied;
the fourth step: the cover plates 1 of a plurality of groups of concrete interception facilities are fixedly connected through the side plates 15;
the fifth step: the sealing cover 23 of the water filling and draining pipe 21 and the exhaust pipe 22 is opened, the water filling and draining pipe 21 is used for filling the water bag with water, and then the sealing cover 23 of the water filling and draining pipe 21 and the exhaust pipe 22 is covered;
and a sixth step: after the steel bars and the templates are accepted, pouring concrete;
the seventh step: after the concrete is initially set, opening the sealing covers 23 of the water injection and drainage pipe 21 and the exhaust pipe 22, placing the water injection and drainage pipe 21 to the bottom position, and discharging water in the water bag 2;
the eighth step: the dowel bar 3 and the protective reinforcing bar 4 are removed, and then the cover plate 1 is removed.
The ninth step: and taking out the water bag 2 from the gap of the steel bars, cleaning the residual concrete on the water bag 2, and cleaning the residual concrete for the next use.
It should be noted that the above detailed description is made on the technical solution of the present invention, and the principle of the present invention is described, and the above description of the working principle is only used to help understanding the core idea of the present invention. It should be noted that modifications and adaptations of the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the appended claims.
Claims (10)
1. The utility model provides a different intensity concrete intercepting device which characterized in that: the method comprises the following steps:
the cover plate (1) is arranged above the steel bar mesh (6) and is used for blocking the water bag (2) and protective layer concrete on the upper part of the steel bar mesh (6);
the water bag (2) is arranged in the middle of the two layers of the reinforcing meshes, and the water bag (2) is positioned right below the cover plate (1) and used for blocking poured concrete;
the inserted ribs (3) are vertically arranged and inserted into the first inserted rib holes (11) in the cover plate (1), and the inserted ribs (3) are positioned on the outer side of the water bag (2) and used for preventing the water bag (2) from moving outwards;
the protective steel bars (4) are arranged and inserted into the second steel bar inserting holes (12) in the cover plate (1), and the protective steel bars (4) are arranged on one side, close to concrete, of the water bag (2) and used for protecting the water bag (2) from contacting the vibrating spear during vibration;
the fixing reinforcing steel bars (5), at least two fixing reinforcing steel bars (5) are arranged on the upper surface of the cover plate (1) and used for binding and fixing the cover plate (1) on the reinforcing mesh (6);
wherein the water bag (2) is a flexible water bag, and the water bag (2) can fill the gaps of the reinforcing mesh (6) through water injection expansion.
2. A different strength concrete intercepting apparatus according to claim 1, wherein: the cover plate (1) comprises a concrete baffle (13) and a water bag baffle (14), the concrete baffle (13) and the water bag baffle (14) are connected in a welding mode through a 90-degree included angle, side plates (15) are arranged on two sides of the concrete baffle (13) and two sides of the water bag baffle (14), and at least two connecting holes (151) are formed in the side plates (15).
3. A different strength concrete intercepting apparatus according to claim 2, wherein: the height of the concrete baffle (13) is not less than 30 mm.
4. A different strength concrete intercepting apparatus according to claim 1, wherein: the water bag (2) is in a ladder-shaped structure with one side vertical to one side and an angle of 45 degrees, wherein the upper part is big and the lower part is small.
5. A different strength concrete intercepting apparatus according to claim 1, wherein: the water bag is characterized in that a flexible water filling and draining pipe (21) is arranged at the lower part of the outer side of the water bag (2), a flexible exhaust pipe (22) is arranged at the upper part of the outer side of the water bag (2), and detachable sealing covers (23) are arranged at the ports of the water filling and draining pipe (21) and the exhaust pipe (22).
6. A different strength concrete intercepting apparatus according to claim 1, wherein: the width of the first dowel hole (11) is larger than the diameter of the dowel (3); the width of the second dowel hole (12) is larger than the diameter of the protective steel bar (4).
7. A different strength concrete intercepting apparatus according to claim 1, wherein: a steel bar inserting positioning piece (16) is arranged on the outer side of the first steel bar inserting hole (11), and a protective steel bar positioning piece (17) is arranged on one side, close to the concrete baffle (13), of the second steel bar inserting hole (12).
8. A different strength concrete intercepting apparatus according to claim 7, wherein: the steel bar inserting positioning piece (16) and the water bag baffle (14) form an included angle of 90 degrees, and the protective steel bar positioning piece (17) and the water bag baffle (14) form an included angle of 45 degrees.
9. A different strength concrete intercepting apparatus according to claim 1, wherein: the length of the fixed steel bar (5) is greater than that of the cover plate (1).
10. A different strength concrete intercepting apparatus according to claim 1, wherein: the arrangement distance between the inserted steel bars (3) and the protective steel bars (4) is not more than 100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221980971.3U CN218205758U (en) | 2022-07-29 | 2022-07-29 | Different strength concrete intercepting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221980971.3U CN218205758U (en) | 2022-07-29 | 2022-07-29 | Different strength concrete intercepting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218205758U true CN218205758U (en) | 2023-01-03 |
Family
ID=84652296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221980971.3U Active CN218205758U (en) | 2022-07-29 | 2022-07-29 | Different strength concrete intercepting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218205758U (en) |
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2022
- 2022-07-29 CN CN202221980971.3U patent/CN218205758U/en active Active
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