CN214640991U - Sleeve welding joint for connecting vertical steel bars - Google Patents
Sleeve welding joint for connecting vertical steel bars Download PDFInfo
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- CN214640991U CN214640991U CN202022728044.XU CN202022728044U CN214640991U CN 214640991 U CN214640991 U CN 214640991U CN 202022728044 U CN202022728044 U CN 202022728044U CN 214640991 U CN214640991 U CN 214640991U
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- sleeve
- crucible
- vertical steel
- liquid outlet
- steel bar
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Abstract
The utility model discloses a sleeve welded joint for vertical steel bar connection, which comprises a crucible, a flow guide pipe and a sleeve, wherein the crucible is provided with an opening at the top and a liquid outlet at the bottom, the liquid inlet of the flow guide pipe is communicated with the liquid outlet at the bottom of the crucible, and the liquid outlet of the flow guide pipe is positioned at the opening at the top of the sleeve; the sleeve is sleeved at the joint of the vertical steel bar. The utility model provides a problem of the vertical reinforcing bar on-site connection of reinforced concrete assembled component, under the condition of job site no power and electric welding, with the vertical reinforcing bar of assembled component, through thermite welded connection.
Description
Technical Field
The utility model relates to a building engineering technical field, more specifically the sleeve welded joint who relates to a be used for vertical steel bar connection that says so.
Background
In recent years, China actively explores and develops assembly type buildings, and the assembly type buildings refer to buildings which are formed by transferring a large amount of field operation work in the traditional construction mode to a factory, processing and manufacturing building components and accessories (such as floor slabs, wall plates, stairs, balconies and the like) in the factory, transporting the components and accessories to a building construction site, and assembling and installing the components and the accessories on the site through a reliable connection mode. The prefabricated building mainly comprises a prefabricated concrete structure, a steel structure, a modern wood structure building and the like, and is a representative of a modern industrial production mode due to the adoption of standardized design, factory production, assembly construction, informatization management and intelligent application.
The steel bar connection of the vertical member of the existing fabricated building mainly adopts sleeve grouting connection and welding connection, and the electric welding technology used at present can not be carried out under the condition that no power supply or electric welding machine is arranged on the construction site.
Therefore, how to provide a sleeve welding joint for vertical steel bar connection is a problem which needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a sleeve welded joint for connecting vertical steel bars, so as to solve at least one of the above technical problems in the background art.
In order to realize the technical scheme, the utility model discloses a following technical scheme:
a sleeve welded joint for connecting vertical steel bars comprises a crucible, a flow guide pipe and a sleeve, wherein the top of the crucible is provided with an opening, the bottom of the crucible is provided with a liquid outlet, a liquid inlet of the flow guide pipe is communicated with the liquid outlet at the bottom of the crucible, and the liquid outlet of the flow guide pipe is positioned at the opening at the top of the sleeve; the sleeve is sleeved at the joint of the vertical steel bar.
The utility model provides a problem of the vertical reinforcing bar on-site connection of reinforced concrete assembled component, under the condition of job site no power and electric welding, with the vertical reinforcing bar of assembled component, through thermite welded connection.
Preferably, in the welded sleeve joint for connecting vertical steel bars, the crucible contains thermite.
Preferably, in the above sleeve welded joint for vertical steel bar connection, the bottom of the sleeve and the vertical steel bar are plugged by fireproof mortar.
Preferably, in the welded sleeve joint for connecting vertical steel bars, the sleeve is a steel sleeve, and the inner diameter of the steel sleeve is greater than the outer diameter of the vertical steel bars.
Can know via foretell technical scheme, compare with prior art, the utility model discloses a sleeve welded joint for vertical steel bar connection, the utility model discloses an aluminothermic fusion welding technique welds as the heat source through the chemical reaction heat. Put the thermite and react in the crucible, make it take place reduction exothermic reaction, become high temperature liquid metal and slag, liquid metal flows into the honeycomb duct through the liquid outlet of crucible bottom, finally enters into in the sleeve, fills up the joint space of sleeve and steel bar joint department, forms the welding seam metal after the cooling, and the slag then floats on the crucible surface, and sleeve and vertical reinforcement welding are as an organic whole, adopt the utility model discloses weld, technology easy operation does not need external power source, and welding quality is reliable and stable, and welding speed is fast, and is efficient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
The attached drawing of figure 1 is the utility model discloses a construction schematic diagram.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses a sleeve welded joint for vertical steel bar connection, including crucible 1, honeycomb duct 2 and sleeve 3, wherein the open-top design of crucible 1, the liquid outlet has been seted up to the bottom, the inlet of honeycomb duct 2 communicates with the liquid outlet of crucible 1 bottom, the liquid outlet of honeycomb duct 2 is located the open-top of sleeve 3; the sleeve 3 is sleeved at the joint of the vertical steel bar 5.
The utility model provides a problem of the vertical reinforcing bar of reinforced concrete assembled component 5 field connection, under the condition of job site no power and electric welding, with the vertical reinforcing bar of assembled component 5, through thermite welded connection.
In order to further optimize the technical scheme, thermite is contained in the crucible 1.
In order to further optimize the technical scheme, the bottom of the sleeve 3 and the vertical steel bar 5 are plugged by adopting fireproof mortar 8.
In order to further optimize the technical scheme, the sleeve 3 is a steel sleeve, and the inner diameter of the steel sleeve is larger than the outer diameter of the vertical steel bar 5 by 5-10 mm.
The construction method comprises the following steps:
the method comprises the following steps: and (3) carrying out rust removal treatment on the vertical steel bars 5 at the positions of the joints of the vertical steel bars 5, wherein the joints are 50mm long, removing rust on the surfaces, exposing metallic luster, and keeping the surfaces clean and tidy without impurities.
Step two: and (3) mounting the assembled column 6 or the shear wall, adjusting the position of the vertical stressed steel bar, and supporting the assembled column 6 or the shear wall above by using the supporting steel bar or the section steel 7 during adjustment, so that the adjustment is convenient, and the axes of the vertical steel bars 5 which are butted up and down are coincided.
Step three: sleeving the sleeve 3 on the periphery of the joint of the vertical steel bar 5, and plugging the bottom of the sleeve 3 and the vertical steel bar 5 by adopting fireproof mortar 8 to prevent molten metal from losing; putting thermite into the crucible 1, specifically selecting a mixture of aluminum powder and iron oxide powder, compacting the mixture, igniting the flux, and reacting;
step four: liquid metal flows into honeycomb duct 2 through the liquid outlet of crucible 1 bottom, finally enters into in the sleeve 3, fills up the joint space of sleeve 3 and steel bar joint department, forms welding seam metal 4 after the cooling, and after the welding is accomplished, demolish crucible 1 and honeycomb duct 2, clearance sleeve 3 and welded joint's surface, and sleeve 3 welds as an organic wholely with vertical reinforcing bar 5.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. 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 invention. Thus, the present invention 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 (1)
1. A sleeve welded joint for connecting vertical steel bars is characterized by comprising a crucible, a flow guide pipe and a sleeve, wherein the top of the crucible is open, a liquid outlet is formed in the bottom of the crucible, the liquid inlet of the flow guide pipe is communicated with the liquid outlet in the bottom of the crucible, and the liquid outlet of the flow guide pipe is positioned at the top opening of the sleeve; the sleeve is sleeved at the joint of the vertical steel bar; the crucible is filled with thermite; the bottom of the sleeve and the vertical steel bar are blocked by fireproof daub; the sleeve is a steel sleeve, and the inner diameter of the steel sleeve is larger than the outer diameter of the vertical steel bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728044.XU CN214640991U (en) | 2020-11-23 | 2020-11-23 | Sleeve welding joint for connecting vertical steel bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728044.XU CN214640991U (en) | 2020-11-23 | 2020-11-23 | Sleeve welding joint for connecting vertical steel bars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214640991U true CN214640991U (en) | 2021-11-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022728044.XU Active CN214640991U (en) | 2020-11-23 | 2020-11-23 | Sleeve welding joint for connecting vertical steel bars |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214640991U (en) |
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2020
- 2020-11-23 CN CN202022728044.XU patent/CN214640991U/en active Active
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