CN219410677U - Quick height-connecting device for existing concrete guardrail - Google Patents
Quick height-connecting device for existing concrete guardrail Download PDFInfo
- Publication number
- CN219410677U CN219410677U CN202320677309.9U CN202320677309U CN219410677U CN 219410677 U CN219410677 U CN 219410677U CN 202320677309 U CN202320677309 U CN 202320677309U CN 219410677 U CN219410677 U CN 219410677U
- Authority
- CN
- China
- Prior art keywords
- concrete
- prefabricated
- concrete guardrail
- guardrail
- cover plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model discloses a rapid height-connecting device for an existing concrete guardrail, which belongs to the technical field of guardrails and comprises the following components: the steel bar framework and prefabricated apron, prefabricated apron is the H type, prefabricated apron and the top fixed connection of concrete guardrail, pour the concrete in the prefabricated apron, steel bar framework one end stretches into in the concrete guardrail, and the other end alternates in the concrete. The prefabricated cover plate is H-shaped, so that the prefabricated cover plate can be prevented from deforming in the concrete pouring process.
Description
Technical Field
The utility model belongs to the technical field of guardrails, and particularly relates to a rapid height-connecting device for an existing concrete guardrail.
Background
Along with the high-speed development of the economy in China, many old roads face reconstruction and expansion, particularly, some roads with pavements subjected to finish overhaul have mostly insufficient guardrail height, once vehicles collide, malignant accidents of breaking the guardrail or crossing the guardrail to fall off the bridge easily occur, and the old roads are modified from the aspect of safety so as to meet the requirement of improving the anti-collision grade. The mode of heightening the conventional concrete guardrail mainly comprises the following steps: the utility model provides a mould cast in place concrete behind planting muscle, add steel member etc. patent CN214362868U discloses a concrete guardrail increases device, including connecting at least one and increasing the prefabricated section on the top surface of original guardrail, increase the prefabricated section and for being the lid of falling U type, the concrete placement hole has been seted up at the horizontal top of lid, this concrete guardrail plants the muscle at concrete guardrail top and makes the heightening part be connected with original concrete guardrail to construct vertical reinforcing bar and constitute the reinforcement cage, paste prefabricated type lid of falling U on concrete guardrail, later pour self-compaction concrete through the concrete placement hole and link into a whole. According to the technical scheme, the steel reinforcement framework and the prefabricated inverted U-shaped cover body are not connected, the integrity is poor, and in the concrete pouring process, the prefabricated inverted U-shaped cover body is easy to deform or separate from the concrete guardrail, so that the pouring failure is caused.
Disclosure of Invention
Based on the problems in the prior art, the utility model provides a rapid height-connecting device for an existing concrete guardrail, and specifically discloses the following technical scheme:
an existing concrete guardrail quick height-connecting device, comprising: the steel bar framework and prefabricated apron, prefabricated apron is the H type, prefabricated apron and the top fixed connection of concrete guardrail, pour the concrete in the prefabricated apron, steel bar framework one end stretches into in the concrete guardrail, and the other end alternates in the concrete.
Further, the prefabricated cover plate comprises a connecting plate and two guard plates, the guard plates are arranged oppositely, and two ends of the two guard plates are fixedly connected through the connecting plate.
Further, the steel bar frame comprises at least two vertical steel bars and at least two longitudinal steel bars, the vertical steel bars and the longitudinal steel bars are crossed to form a net structure, one end of each vertical steel bar stretches into the concrete guardrail, the other end of each vertical steel bar stretches into the concrete, and the longitudinal steel bars are inserted into the concrete.
Further, the connecting plate is provided with a through hole, and the longitudinal steel bar penetrates through the through hole.
Further, the top of the concrete guardrail is provided with a connecting groove, and the bottom end of the prefabricated cover plate is fixedly connected with the connecting groove.
Further, the prefabricated cover plate is adhered to the connecting groove through epoxy joint glue.
Further, the guard plate wall thickness is 2cm.
The utility model has the beneficial effects that:
the utility model provides a rapid height-connecting device for an existing concrete guardrail, wherein a prefabricated cover plate is H-shaped, and is not easy to deform in the process of pouring concrete; the connecting plates are fixedly connected with the guard plates which are oppositely arranged, so that the integral strength of the prefabricated cover plate is improved, and the prefabricated cover plate is not easy to deform; the reinforcing bar frame runs through the connecting plate, and is fixed in advance to the connecting plate, can improve the device wholeness, avoids pouring concrete in-process prefabrication apron to warp or break away from with the concrete guardrail, improves the stability of guardrail elevating gear, and the practicality is extremely strong.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a rapid height-connecting device for an existing concrete guardrail.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a front view of a prefabricated cover plate in the present utility model.
Fig. 4 is a top view of a prefabricated cover plate in the present utility model.
Fig. 5 is a side view of a prefabricated cover panel in accordance with the present utility model.
Wherein, in the figure:
1. a concrete guardrail; 2. vertical steel bars; 3. longitudinal steel bars; 4. prefabricating a cover plate; 4-1, guard plates; 4-2, connecting the plates; 5. and a through hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1-5, a rapid height-connecting device for an existing concrete guardrail comprises: the steel bar frame and the prefabricated cover plate 4, the prefabricated cover plate 4 is H-shaped, the prefabricated cover plate 4 is not easy to deform due to the design, the prefabricated cover plate 4 is fixedly connected with the top of the concrete guardrail 1, concrete is poured into the prefabricated cover plate 4, one end of the steel bar frame extends into the concrete guardrail 1, and the other end of the steel bar frame penetrates into the concrete in an penetrating manner, so that the concrete guardrail is heightened.
The prefabricated cover plate 4 comprises a connecting plate 4-2 and two guard plates 4-1, the two guard plates 4-1 are oppositely arranged, two ends of the two guard plates 4-1 are fixedly connected through the connecting plate 4-2, the guard plates can be prevented from deforming outwards in the concrete pouring process and are separated from the concrete guard bars, and the stability of the guard bar heightening device is improved.
The steel bar framework comprises at least two vertical steel bars 2 and at least two longitudinal steel bars 3, the vertical steel bars 2 and the longitudinal steel bars 3 are crossed to form a net structure to form an integral steel bar framework, one end of each vertical steel bar 2 stretches into the concrete guardrail 1, the other end stretches into the concrete, and the longitudinal steel bars 3 are inserted into the concrete and are used for being connected with the concrete guardrail and the heightening part in advance.
The connecting plate 4-2 is provided with a through hole 5, and the longitudinal steel bar 3 penetrates through the through hole 5, so that the steel bar frame and the prefabricated cover plate are integrated.
The concrete guardrail 1 top is equipped with the spread groove, and prefabricated apron 4 bottom and spread groove are connected in advance to be convenient for, and prefabricated apron 4 one end and spread groove fixed connection.
The prefabricated cover plate 4 is adhered to the connecting groove through epoxy joint glue, so that the sealing and fixing effects are realized.
The wall thickness of the guard plate 4-1 is 2cm.
The concrete construction steps are as follows:
1. firstly, a connecting groove is carved on the top of a concrete guardrail;
2. after the top surface of the concrete guardrail is treated, the diameter and the interval of the planted bars are designed to be planted with vertical steel bars;
3. placing the prefabricated cover plate on the connecting groove, and constructing longitudinal steel bars, so that the longitudinal steel bars penetrate through the through holes of the connecting plates in the prefabricated cover plate;
4. adjusting the position of the prefabricated cover plate, sealing the notch at the bottom of the prefabricated cover plate by using epoxy joint glue, and firmly fixing the prefabricated cover plate;
5. pouring self-compacting concrete in the pre-cover plate;
6. finally, curing the concrete, and finishing after the concrete is inspected to be qualified.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a quick high device that connects of existing concrete guardrail which characterized in that includes: the steel bar framework and prefabricated apron (4), prefabricated apron (4) are the H type, the top fixed connection of prefabricated apron (4) and concrete guardrail (1), pour the concrete in prefabricated apron (4), steel bar framework one end stretches into in concrete guardrail (1), and the other end alternates in the concrete.
2. The rapid height-connecting device for the existing concrete guardrail according to claim 1, wherein the prefabricated cover plate (4) comprises a connecting plate (4-2) and two guard plates (4-1), the guard plates (4-1) are oppositely arranged, and two ends of the two guard plates (4-1) are fixedly connected through the connecting plate (4-2).
3. The rapid height-connecting device for the existing concrete guardrail according to claim 2, wherein the steel bar framework comprises at least two vertical steel bars (2) and at least two longitudinal steel bars (3), the vertical steel bars (2) and the longitudinal steel bars (3) are crossed to form a net structure, one end of each vertical steel bar (2) stretches into the concrete guardrail (1), the other end stretches into the concrete, and the longitudinal steel bars (3) are inserted into the concrete.
4. A quick-action height-engaging device for existing concrete barriers according to claim 3, characterized in that said connection plate (4-2) is provided with a through-hole (5), said longitudinal reinforcement (3) passing through said through-hole (5).
5. The rapid height-connecting device for the existing concrete guardrail according to claim 1, wherein a connecting groove is formed in the top of the concrete guardrail (1), and the bottom end of the prefabricated cover plate (4) is fixedly connected with the connecting groove.
6. The rapid height-connecting device for existing concrete guardrails according to claim 5, wherein the prefabricated cover plate (4) is bonded at the connecting groove through epoxy joint glue.
7. An existing concrete guardrail quick-action height-engaging device according to claim 2, characterized in that the wall thickness of the guard plate (4-1) is 2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320677309.9U CN219410677U (en) | 2023-03-27 | 2023-03-27 | Quick height-connecting device for existing concrete guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320677309.9U CN219410677U (en) | 2023-03-27 | 2023-03-27 | Quick height-connecting device for existing concrete guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219410677U true CN219410677U (en) | 2023-07-25 |
Family
ID=87232051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320677309.9U Active CN219410677U (en) | 2023-03-27 | 2023-03-27 | Quick height-connecting device for existing concrete guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219410677U (en) |
-
2023
- 2023-03-27 CN CN202320677309.9U patent/CN219410677U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101487332B (en) | Prefabricated hollow superposed beam, and cast-in-situ construction method for beam and precast slab | |
| CN101424075B (en) | Concrete box girder bridge widening and reinforced structure and construction method thereof | |
| CN105297641B (en) | Highway T beam diaphragm plate prestressed reinforcement structure and carry out the engineering method reinforced with it | |
| CN106401207B (en) | The overlapping connection structure and its construction method on pillar basis are added for existing building | |
| CN102877407B (en) | Concrete continuous box girder of corrugated steel web for curved bridge | |
| CN205777098U (en) | A kind of detachable assembling type concrete-filled circular steel tube column | |
| CN105200929B (en) | The reinforcement means of single slab bearing beam bridge hoop presstressed reinforcing steel | |
| CN107553693A (en) | The preparation method of crash bearer | |
| CN109518858A (en) | Fabricated Beam-Slab connection structure and its construction method | |
| CN111118997A (en) | Prefabricated assembled type lane plate | |
| CN203200656U (en) | Light corrugated steel-high strength reactive powder concrete combined bridge deck slab | |
| CN209556195U (en) | Fabricated Beam-Slab connection structure | |
| CN219410677U (en) | Quick height-connecting device for existing concrete guardrail | |
| CN109868751A (en) | Notch, template and construction method are poured after a kind of assembled track girder concrete | |
| CN213596822U (en) | Reinforced concrete box culvert reinforcing apparatus | |
| CN212865473U (en) | Prefabricated assembled type lane plate | |
| CN211079799U (en) | Reinforced structure of impaired concrete road surface panel | |
| CN105369981B (en) | A kind of arrangement of reinforcement formula buckle connection permanent beam template, concrete structure member and manufacture method | |
| CN209368859U (en) | A kind of foundation structure system of low-rise building | |
| CN208266590U (en) | A kind of novel steel reinforced concrete combined track plate | |
| CN208440970U (en) | Bent cap, bridge pier, the bridge of prefabrication and assembly construction bridge pier | |
| CN206562792U (en) | Overlapping for existing structure strengthening reconstruction changes antitorque structure | |
| CN212715463U (en) | Assembled wall body | |
| CN209024966U (en) | Meet the median strip concrete wall type guard rail connection structure of double width bridge differential settlement | |
| CN211690084U (en) | Pavement additional paving structure using existing waveform guard bar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |