CN219863354U - Welding nail connecting piece - Google Patents

Abstract

The utility model relates to a welding nail connecting piece, which comprises a steel beam, wherein the upper side of the steel beam is fixedly connected with a bottom plate, and the surface of the upper side of the bottom plate is fixedly connected with a plurality of welding nail connecting components; the welding nail connecting assembly comprises a plurality of bases, the inner wall of the upper side of each base is rotationally connected with a connecting rod, the upper side of each connecting rod is fixedly connected with a welding nail body, a first concrete layer is covered on the outer side of each welding nail body, and one side, far away from the welding nail body, of each first concrete layer is attached with a circular pipe. This weld nail connecting piece, through base downside welding at bottom plate upside surface, the recess inner wall that sets up the connecting rod threaded connection base of welding nail body downside is fixed to the fixed pipe is cup jointed in welding nail body outside, waters with first concrete layer between pipe and welding nail body afterwards, has strengthened the intensity in welding nail body outside and has improved fatigue resistance simultaneously.

Description

Welding nail connecting piece

Technical Field

The utility model relates to the technical field of welding nail connectors, in particular to a welding nail connector.

Background

In order to combine the excellent properties of steel and concrete, it is often necessary to cast concrete on the surface of the steel structure. The welding nail is a high strength and rigid connecting fastener, and is commonly used for connecting steel and concrete structures and has the function of reinforcing ribs.

Chinese patent CN 208717743U discloses an assembled welding pin connector, comprising a base and a screw, wherein the base is provided with a concave circular groove, and the inner wall of the circular groove is provided with an internal thread; the side wall of one end of the screw rod is provided with the external thread, and the external thread and the internal thread can be connected in a matched mode.

However, the patent only plays a role of screw connection and fixation on the outer side of the root part of the lower side of the welding nail, and is easy to break at the root part and reduce the fatigue resistance of the structure, so that the welding nail connecting piece has limitations in steel concrete structure connection and cannot meet the use requirement, and the welding nail connecting piece is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the welding nail connecting piece which has the advantages of reinforcing the welding nail, preventing the welding nail from breaking at the welding position, improving the strength and rigidity of a connecting node and the like, and solves the problems that only the outer side of the root part of the lower side of the welding nail is in threaded connection and fixed, the root part is easy to break and the fatigue resistance of the structure is reduced, so that the limitation exists in the connection of a steel concrete structure.

In order to realize the purposes of reinforcing the welding nails, preventing the welding nails from breaking at the welding positions and improving the strength and the rigidity of the connecting nodes, the utility model provides the following technical scheme: the utility model provides a weld nail connecting piece, includes the girder steel, girder steel upside fixedly connected with bottom plate, bottom plate upside surface fixedly connected with a plurality of weld nail coupling assembling.

The welding nail connecting assembly comprises a plurality of bases, the inner wall of the upper side of each base is rotationally connected with a connecting rod, the upper side of each connecting rod is fixedly connected with a welding nail body, a first concrete layer is covered on the outer side of each welding nail body, and one side, far away from the welding nail body, of each first concrete layer is attached with a circular pipe.

Further, an enlarged head is welded on the upper side of the welding nail body, and the outer diameter of the enlarged head is of a cylindrical structure.

Further, the outer diameter of the enlarged head is larger than that of the welding nail body, and the bottom plate is made of steel plates.

Further, the outer wall of the connecting rod is provided with external threads, and the inner wall of the base is provided with internal threads.

Further, the inside of base upside is seted up flutedly, connecting rod outside screw thread and recess inboard screw thread form threaded connection.

Further, the outer side of the circular tube is covered with a second concrete layer, and the first concrete layer is made of ultra-high performance concrete with good corrosion resistance.

Further, the bottom end of the round tube is welded and fixed on the surface of the upper side of the bottom plate.

Further, the round tube is vertically fixed with the bottom plate.

Compared with the prior art, the utility model provides a welding nail connecting piece, which has the following beneficial effects:

1. this weld nail connecting piece, through base downside welding at bottom plate upside surface, the recess inner wall that sets up the connecting rod threaded connection base of welding nail body downside is fixed to the fixed pipe is cup jointed in welding nail body outside, waters with first concrete layer between pipe and welding nail body afterwards, has strengthened the intensity in welding nail body outside and has improved fatigue resistance simultaneously.

2. The welding nail connecting piece is sequentially welded on the upper side surface of the bottom plate through the plurality of bases according to the required long width, so that the problem that the welding nail connecting piece is limited in steel concrete structure connection because the welding nail connecting piece is only in threaded connection and fixed on the outer side of the root part of the lower side of the welding nail and is easy to break at the root part and the fatigue resistance of the structure is reduced is solved.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a perspective view of the structure of the welding pin body of the present utility model;

FIG. 3 is a perspective view of the bridge of the present utility model;

fig. 4 is a cross-sectional view of the base of the present utility model.

In the figure: 1 bottom plate, 2 pipes, 3 first concrete layer, 4 enlarged footing, 5 welding nail body, 6 welding nail coupling assembling, 7 second concrete layer, 8 girder steel, 9 bases, 10 recesses, 11 connecting rods.

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.

Embodiment one:

referring to fig. 1-4, a welding pin connecting piece in this embodiment includes a steel beam 8, a bottom plate 1 fixedly connected to an upper side of the steel beam 8, the bottom plate 1 is made of a steel plate, and a plurality of welding pin connecting assemblies 6 are fixedly connected to an upper side surface of the bottom plate 1.

The welding nail connecting assembly 6 comprises a plurality of bases 9, the inner walls of the bases 9 are provided with internal threads, grooves 10 are formed in the upper side of the bases 9, threads on the outer sides of connecting rods 11 are in threaded connection with threads on the inner sides of the grooves 10, the inner walls on the upper sides of the bases 9 are rotationally connected with connecting rods 11, the outer walls of the connecting rods 11 are provided with external threads, welding nail bodies 5 are fixedly connected with the upper sides of the connecting rods 11, first concrete layers 3 are covered on the outer sides of the welding nail bodies 5, the first concrete layers 3 are made of ultra-high performance concrete with good corrosion resistance, round tubes 2 are attached to one sides of the first concrete layers 3 away from the welding nail bodies 5, the bottom ends of the round tubes 2 are welded and fixed on the upper side surface of the base plate 1, vertical fixing is achieved between the round tubes 2 and the base plate 1, and second concrete layers 7 are covered on the outer sides of the round tubes 2.

In this embodiment, the first concrete layer 3 adopts ultra-high performance concrete to effectively improve the corrosion resistance of the outer side of the welding nail body 5, and simultaneously, the strength is improved by being welded on the outer side of the welding nail body 5 in combination with the round pipe 2.

Embodiment two:

referring to fig. 1, 2 and 4, in accordance with the first embodiment, the welding head comprises an enlarged head 4 welded on the upper side of the welding pin body 5, the outer diameter of the enlarged head 4 is in a cylindrical structure, and the outer diameter of the enlarged head 4 is larger than the outer diameter of the welding pin body 5.

By adopting the technical scheme, the enlarged head 4 can twist downwards when the welding nail body 5 is rotated, and better stress is realized.

The working principle of the embodiment is as follows:

the long width of a plurality of bases 9 is welded in proper order at bottom plate 1 upside fixed surface as required, later with welding nail body 5 downside connecting rod 11 outside set up the external screw thread with the inboard recess 10 of base 9 set up internal screw thread assorted formation threaded connection fixed, and laminate simultaneously in bottom plate 1 upside one end welded fastening with pipe 2 cover in welding nail body 5 outside, and water with first concrete layer 3 between pipe 2 and welding nail body 5 and handle, the effectual intensity and the rigidity that has strengthened the connected node, reinforcing system holistic atress performance, second concrete layer 7 covers pipe 2 and second concrete layer 7 cover and be the plane at pipe 2 outside surface.

The beneficial effects of the embodiment are as follows:

this weld nail connecting piece, through base 9 downside welding at bottom plate 1 upside surface, the recess 10 inner wall that the connecting rod 11 threaded connection base 9 of the downside of welding nail body 5 was seted up is fixed to the fixed pipe 2 is cup jointed in welding nail body 5 outside, waters with first concrete layer 3 between pipe 2 and welding nail body 5 afterwards, has strengthened the intensity in welding nail body 5 outside and has improved fatigue resistance simultaneously.

The welding nail connecting piece is sequentially welded on the upper side surface of the bottom plate 1 through the plurality of bases 9 according to the required long width, so that the problem that the welding nail connecting piece is limited in steel concrete structure connection because the welding nail connecting piece is only in threaded connection and fixed on the outer side of the root part of the lower side of the welding nail and is easy to break at the root part and the fatigue resistance of the structure is reduced is solved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a weld nail connecting piece, includes girder steel (8), its characterized in that: the upper side of the steel beam (8) is fixedly connected with a bottom plate (1), and the surface of the upper side of the bottom plate (1) is fixedly connected with a plurality of welding nail connecting assemblies (6);

the welding nail connecting assembly (6) comprises a plurality of bases (9), connecting rods (11) are rotatably connected to the inner walls of the upper sides of the bases (9), welding nail bodies (5) are fixedly connected to the upper sides of the connecting rods (11), first concrete layers (3) are covered on the outer sides of the welding nail bodies (5), and round tubes (2) are attached to one sides, far away from the welding nail bodies (5), of the first concrete layers (3).

2. A solder nail connection according to claim 1, wherein: an enlarged head (4) is welded on the upper side of the welding nail body (5), and the outer diameter of the enlarged head (4) is of a cylindrical structure.

3. A solder nail connection according to claim 2, wherein: the outer diameter of the enlarged head (4) is larger than that of the welding nail body (5), and the bottom plate (1) is made of a steel plate.

4. A solder nail connection according to claim 1, wherein: the outer wall of the connecting rod (11) is provided with external threads, and the inner wall of the base (9) is provided with internal threads.

5. A solder nail connection according to claim 4, wherein: the inside of base (9) upside has offered recess (10), the screw thread forms threaded connection with recess (10) inboard screw thread in connecting rod (11).

6. A solder nail connection according to claim 2, wherein: the outer side of the round pipe (2) is covered with a second concrete layer (7), and the first concrete layer (3) is made of ultra-high performance concrete with good corrosion resistance.

7. A solder nail connection according to claim 3, wherein: the bottom end of the round tube (2) is welded and fixed on the upper side surface of the bottom plate (1).

8. The weld stud attachment of claim 7, wherein: the round tube (2) is vertically fixed with the bottom plate (1).