CN219490648U - Segment beam prestressed duct positioning steel bar - Google Patents
Segment beam prestressed duct positioning steel bar Download PDFInfo
- Publication number
- CN219490648U CN219490648U CN202223559916.XU CN202223559916U CN219490648U CN 219490648 U CN219490648 U CN 219490648U CN 202223559916 U CN202223559916 U CN 202223559916U CN 219490648 U CN219490648 U CN 219490648U
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- China
- Prior art keywords
- steel bar
- rectangular frame
- shaped
- bar positioning
- rebar
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Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 83
- 239000010959 steel Substances 0.000 title claims abstract description 83
- 239000011148 porous material Substances 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 230000002787 reinforcement Effects 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 230000001154 acute effect Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 210000002435 tendon Anatomy 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model discloses a segment beam prestress pore canal positioning steel bar, which comprises the following components: a steel bar positioning frame and a cushion block; the reinforcing bar locating frame includes: rectangular frame and steel bar positioning ring, right angle pieces are welded at four corners of the rectangular frame; limiting dowel bars are welded on four sides of the rectangular frame; the cushion block comprises: the device comprises a cross base, a connecting rod and a U-shaped bracket; the U-shaped support is fixedly connected with the cross base through a connecting rod, and one side of the rectangular frame is inserted into a U-shaped groove of the U-shaped support. The cushion blocks support the steel bar positioning frames, so that the steel bar positioning rings in the steel bar positioning frames are fixed in height; the steel bar positioning rings play a role in fixing and supporting the prestressed pipeline, and the PE pipe is sequentially inserted into the steel bar positioning rings, so that the prestressed pipeline can be arranged; the problem that the deformation of the pe pipe is easily caused by the tightness degree of the binding is avoided, and the problem that the binding is difficult due to inconvenient lifting caused by weight when the pe pipe is longer can be avoided.
Description
Technical Field
The utility model relates to the technical field of segment beam manufacturing, in particular to a segment beam prestress pore canal positioning steel bar.
Background
The prefabricated box girder plays a vital supporting and stabilizing role in a building, and the quality of the prefabricated box girder relates to whether the prefabricated box girder can be safely used in the later stage of the whole engineering. When the prefabricated box girder of the existing prestressed bridge is constructed, a template is firstly supported, then reinforcement bar binding is carried out, and a prestressed duct is required to be reserved in the reinforcement bar binding process.
And (3) pouring concrete after binding the reinforcing steel bars, tensioning and sealing the prestressed tendons after pouring concrete with a certain strength, and constructing a prestressed system, so as to obtain the bridge with the long span. However, when the prestressed duct is reserved, how to ensure the accurate position of the prestressed duct plays a very important role in improving the tensioning safety of the prestressed tendons.
Disclosure of Invention
In view of the above, the utility model provides a segment beam prestressed duct positioning steel bar, which solves the technical problem that the reserved position of the reserved prestressed duct is inaccurate in the prior art. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
The utility model adopts the following technical scheme:
in some alternative embodiments, a segment beam prestressed channel spacer bar, comprising: a steel bar positioning frame and a cushion block matched with the steel bar positioning frame for use;
the steel bar positioning frame comprises: the steel bar positioning ring is arranged in the rectangular frame and is connected to four sides of the rectangular frame through connecting ribs;
right angle pieces are welded at four corners of the rectangular frame;
limiting dowel bars are welded on four sides of the rectangular frame;
the cushion block comprises: the device comprises a cross base, a connecting rod and a U-shaped bracket; the U-shaped support is fixedly connected with the cross base through the connecting rod, and one side of the rectangular frame is inserted into the U-shaped groove of the U-shaped support.
Further, the cross base includes: a first chassis sheet and a second chassis sheet; the upper end of the first base plate is welded with one end of the connecting rod, the lower end of the first base plate is provided with a first strip-shaped socket, and the upper end of the second base plate is provided with a second strip-shaped socket which is matched with the first strip-shaped socket; when the first strip-shaped socket and the second strip-shaped socket are mutually inserted, the first base plate and the second base plate are assembled into the cross base.
Further, the rectangular frame is formed by welding left steel bars, right steel bars, upper steel bars and lower steel bars; the upper edge steel bar and the lower edge steel bar are respectively provided with two limiting dowel bars; the left steel bar and the right steel bar are respectively provided with a limiting dowel bar; the lower steel bars are inserted into the U-shaped grooves of the U-shaped brackets.
Further, an annular sheath is arranged on the steel bar positioning ring; the annular sheath is fixed with the steel bar positioning ring through iron wire binding.
Further, the limiting dowel bar is composed of two section steel bars which are arranged in parallel, and the distance between the two section steel bars is larger than or equal to the diameter of the steel bars to be clamped.
Further, the limiting dowel bar is composed of two section steel bars arranged at an acute angle, and an included angle between the two section steel bars is larger than or equal to 30 DEG
The utility model has the beneficial effects that: setting a steel bar positioning frame and a cushion block, wherein the cushion block supports the steel bar positioning frame, so that a steel bar positioning ring in the steel bar positioning frame is fixed in height; the plurality of steel bar positioning rings play a role in fixing and supporting the prestressed pipeline, and the PE pipe is sequentially inserted into the plurality of steel bar positioning rings, so that the arrangement of the prestressed pipeline can be completed; compared with the traditional method of binding the PE pipe on the steel reinforcement framework, the problem that the PE pipe is easy to deform due to the tightness degree of binding is avoided, and the problem that lifting is inconvenient and binding is difficult due to weight when the PE pipe is long can be avoided.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of one embodiment of the present utility model;
FIG. 2 is a schematic diagram of a pad structure according to one embodiment of the present utility model;
fig. 3 is a schematic structural view of another embodiment of the present utility model.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the 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.
As shown in fig. 1-3, the present application discloses a segment beam prestressed duct positioning reinforcement for placement in a reinforcement cage, which serves to support and fix a prestressed pipe. The prestressed duct positioning steel bar comprises: the steel bar positioning frame 1 and the cushion block 2 matched with the steel bar positioning frame 1.
The reinforcing bar locating frame 1 includes: rectangular frame and rebar positioning ring 10. The rectangular frame is formed by welding a left steel bar 11, a right steel bar 12, an upper steel bar 13 and a lower steel bar 14. Right angle members 16 are welded at the four corners of the rectangular frame. The four sides of the rectangular frame are welded with limiting dowel bars 15.
The upper steel bar 13 and the lower steel bar 14 are respectively provided with two limiting dowel bars 15. The left steel bar 11 and the right steel bar 12 are respectively provided with a limiting dowel bar 15. The lower steel bar 14 is inserted into the U-shaped groove of the U-shaped bracket 22.
The steel bar positioning ring 10 is arranged in the rectangular frame, the steel bar positioning ring 10 is connected to four sides of the rectangular frame through connecting ribs 17, and preferably four connecting ribs 17 are welded on the left steel bar 11, the right steel bar 12, the upper steel bar 13 and the lower steel bar 14 respectively.
As shown in fig. 1-2, the pad 2 includes: cross base 20, connecting rod 21 and U type support 22.
The U-shaped bracket 22 is fixedly connected with the cross base 20 through a connecting rod 21, and one side of the rectangular frame is inserted into a U-shaped groove of the U-shaped bracket 22. Preferably, the cross base 20 is a removable structure for easy storage of the cushion 2. The cross base 20 specifically includes: a first chassis sheet 23 and a second chassis sheet 24. The upper end of the first base plate 23 is welded with one end of the connecting rod 21, the lower end of the first base plate 23 is provided with a first strip-shaped socket 25, and the upper end of the second base plate 24 is provided with a second strip-shaped socket 26 which is matched with the first strip-shaped socket 25. When the first strip-shaped socket 25 and the second strip-shaped socket 26 are inserted into each other, the first base piece 23 and the second base piece 24 are assembled into the cross base 20.
When in use, the prestressed duct positioning steel bars of the section beam are placed at set positions when the steel bar framework is bound as shown in fig. 1-2. The right angle member 16 is used for installing the steel reinforcement framework around the prestressed duct positioning steel reinforcement of the section beam, and is bound and fixed through iron wires. The spacing dowel 15 is used for carrying out the screens equipment with reinforcement cage around the reinforcement locating frame 1, and the reinforcement that will follow is further bound on spacing dowel 15 through the iron wire again, carries out further fixed. When fixing reinforcing bar locating frame 1 on the framework of steel reinforcement, in order to avoid ligature's manipulation and elasticity degree, the reinforcing bar locating frame 1 position that leads to is not fixed, and this embodiment is with cushion 2 equipment on reinforcing bar locating frame 1, supports reinforcing bar locating frame 1, and the other end of cushion 2 supports on the mould to the position of each reinforcing bar locating frame 1 has been guaranteed all to be fixed.
In an alternative embodiment, as shown in fig. 1, the steel bar positioning ring 10 is provided with an annular sheath 18, so that the steel bar positioning ring 10 is prevented from repeatedly colliding with the PE pipe in the vibration process, and the PE pipe is broken and enters the slurry. The annular sheath 18 and the steel bar positioning ring 10 are fixed by iron wire binding. The method for binding the iron wires can be selected according to actual conditions, and the binding mode and the binding method are not required to be limited.
In an alternative embodiment, as shown in fig. 1, the spacing dowel 15 is composed of two section bars arranged parallel to each other, and the distance between the two section bars is greater than or equal to the diameter of the bar to be clamped. So that the steel bars positioned around the steel bar positioning frame 1 can be clamped between two sections of steel bars, and the steel bars and the limiting dowel bars 15 are bound and fixed through iron wires.
In another alternative embodiment, as shown in fig. 1, the spacing dowel 15 is composed of two segment reinforcing bars disposed at an acute angle, and the included angle between the two segment reinforcing bars is greater than or equal to 30 °. The spacing dowel 15 that the acute angle set up is more convenient with the iron wire ligature, makes the reinforcing bar more firm with spacing dowel 15 ligature.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (6)
1. The section girder prestressing force pore channel locating steel bar, its characterized in that includes: a steel bar positioning frame and a cushion block matched with the steel bar positioning frame for use;
the steel bar positioning frame comprises: the steel bar positioning ring is arranged in the rectangular frame and is connected to four sides of the rectangular frame through connecting ribs;
right angle pieces are welded at four corners of the rectangular frame;
limiting dowel bars are welded on four sides of the rectangular frame;
the cushion block comprises: the device comprises a cross base, a connecting rod and a U-shaped bracket; the U-shaped support is fixedly connected with the cross base through the connecting rod, and one side of the rectangular frame is inserted into the U-shaped groove of the U-shaped support.
2. The segmented beam prestressing channel locating rebar of claim 1, wherein the cross base comprises: a first chassis sheet and a second chassis sheet; the upper end of the first base plate is welded with one end of the connecting rod, the lower end of the first base plate is provided with a first strip-shaped socket, and the upper end of the second base plate is provided with a second strip-shaped socket which is matched with the first strip-shaped socket; when the first strip-shaped socket and the second strip-shaped socket are mutually inserted, the first base plate and the second base plate are assembled into the cross base.
3. The segmented beam prestressing channel locating rebar of claim 2, wherein the rectangular frame is welded from left rebar, right rebar, upper rebar, and lower rebar; the upper edge steel bar and the lower edge steel bar are respectively provided with two limiting dowel bars; the left steel bar and the right steel bar are respectively provided with a limiting dowel bar; the lower steel bars are inserted into the U-shaped grooves of the U-shaped brackets.
4. A segmented beam prestressing duct locating rebar as in claim 3, wherein the rebar locating ring is provided with an annular jacket; the annular sheath is fixed with the steel bar positioning ring through iron wire binding.
5. The segment beam prestressed duct positioning reinforcement according to claim 4, wherein said spacing dowel is composed of two segment reinforcements arranged in parallel with each other, and the distance between two segment reinforcements is equal to or greater than the diameter of the reinforcement to be clamped.
6. The segmented beam prestressing channel locating steel bar according to claim 4, wherein the limiting dowel bar is composed of two segmented steel bars arranged at an acute angle, and an included angle between the two segmented steel bars is larger than or equal to 30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223559916.XU CN219490648U (en) | 2022-12-30 | 2022-12-30 | Segment beam prestressed duct positioning steel bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223559916.XU CN219490648U (en) | 2022-12-30 | 2022-12-30 | Segment beam prestressed duct positioning steel bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219490648U true CN219490648U (en) | 2023-08-08 |
Family
ID=87482451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223559916.XU Active CN219490648U (en) | 2022-12-30 | 2022-12-30 | Segment beam prestressed duct positioning steel bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219490648U (en) |
-
2022
- 2022-12-30 CN CN202223559916.XU patent/CN219490648U/en active Active
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