Traction head device of pipe penetrating device

Abstract

The utility model discloses a pipe penetrating device drawing head device which comprises a drawing head and a connecting assembly, the drawing head is composed of a plurality of bent rods, the tops of the bent rods are fixed through welding, the bottoms of the bent rods are fixedly connected with the connecting assembly, each bent rod is in an olive shape, an oval shape or a gourd shape, and the connecting assembly is fixedly connected with the connecting assembly. The maximum diameter of the bent rods is larger than two times of the diameter of the pipe penetrating device, the number of the bent rods of the traction head is at least three, and the connecting assembly comprises connecting pipes fixedly connected with the bottoms of the bent rods of the traction head. In the utility model, the traction head and the connecting component are arranged, the traction head consists of at least three olive-shaped, elliptical or calabash-shaped bent rods, the tops of the bent rods are welded and fixed, the bottoms of the bent rods are welded and fixed with the connecting component, and the maximum diameter of the traction head is more than twice of the diameter of the pipe penetrating device. The drawing head can smoothly pass through uneven pipe walls and joints in a pipeline, so that the physical output of workers is small, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe threaders, in particular to a traction head device of a pipe threader. Background Art

[0002] The pipe threader traction head is a device for placing electrical cables or optical cables through pipes and pulling components such as wire ropes or other ropes from one end of the pipe to the other end, and then using wire ropes to pull electrical cables or optical cables through the pipe to the required length.

[0003] However, the maximum diameter of the existing pipe piercing head is less than twice that of the pipe piercing head. Since the inner wall and the joint of the pipe are not smooth, the resistance of the pipe piercing head is large and it is difficult to pass through the pipe. It consumes a lot of physical strength of the workers and reduces work efficiency. Therefore, the utility model proposes a pipe piercing head device. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a pipe threader pulling head device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a traction head device of a pipe threader, including a traction head and a connecting assembly, the traction head is composed of a plurality of bent rods, the tops of the plurality of bent rods are fixed by welding, and the bottoms of the plurality of bent rods are fixedly connected to the connecting assembly, each of the bent rods is olive-shaped, oval-shaped or gourd-shaped, and the maximum diameter of the bent rod is greater than twice the diameter of the pipe threader.

[0006] Furthermore, the traction head has at least three curved rods.

[0007] Furthermore, the connecting assembly includes a connecting pipe fixedly connected to the bottom of the multiple bent rods of the traction head, and the inner wall of the connecting pipe is provided with an internal thread.

[0008] Furthermore, the connection assembly includes a round tube fixedly connected to the bottom of the multiple bent rods of the traction head, a screw hole is opened on the side wall of the round tube, and an extrusion bolt is rotatably connected inside the screw hole.

[0009] Furthermore, the connecting assembly includes a pipe fitting fixedly connected to the bottom of multiple bent rods of the traction head, a tapered tube fixedly connected to the bottom end of the pipe fitting, and the tapered tube and the pipe fitting are an integrated structure, an external thread is provided on the surface of the pipe fitting, and an internal threaded sleeve is rotatably connected to the surface of the pipe fitting, a circular opening is opened at the bottom of the internal threaded sleeve, and the diameter of the circular opening is smaller than the outer diameter of the pipe fitting.

[0010] Beneficial effects of the utility model:

[0011] When the utility model is in use, the traction head device of the pipe threader is provided with a traction head and a connection assembly, the traction head is composed of at least three olive-shaped, elliptical or gourd-shaped bent rods, the tops of the bent rods are fixed by welding, and the bottoms of the bent rods are welded and fixed to the connection assembly, the maximum diameter of the traction head is more than twice the diameter of the pipe threader, and the traction head can smoothly pass through uneven pipe walls and joints in the pipeline, thereby reducing the physical exertion of workers and greatly improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 : A three-dimensional diagram of the first embodiment of the utility model;

[0014] Figure 2 : A perspective view of the second embodiment of the utility model;

[0015] Figure 3 : A three-dimensional diagram of the third embodiment of the present utility model.

[0016] The reference numerals are as follows:

[0017] 1. Traction head; 2. Connection assembly; 21. Connection pipe; 23. Round pipe; 24. Screw hole; 25. Extrusion bolt; 26. Pipe fitting; 27. Tapered pipe; 28. Internal threaded sleeve; 29. ​​Round mouth. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Embodiment 1

[0019] like Figure 1 As shown, it relates to a pipe threader traction head device, including a traction head 1 and a connecting assembly 2. The traction head 1 is composed of multiple bent rods, the tops of the multiple bent rods are fixed by welding, and the bottoms of the multiple bent rods are fixedly connected to the connecting assembly 2. Each bent rod is olive-shaped, elliptical or gourd-shaped, and the maximum diameter of the bent rod is greater than twice the diameter of the pipe threader.

[0020] One end of the bent rod away from the connecting assembly 2 is designed to be arc-shaped and smooth, and the bent rod is made of iron or other materials.

[0021] The traction head 1 has at least three curved rods to ensure that the size of the traction head 1 is sufficient to smoothly pass through the interior of the pipeline.

[0022] The connecting assembly 2 comprises a connecting pipe 21 fixedly connected to the bottom of a plurality of bent rods of the traction head 1 , and an inner wall of the connecting pipe 21 is provided with an internal thread.

[0023] When the pipe threader is a screw rod, in this embodiment, when installing the traction head, the screw rod of the pipe threader can be screwed into the connecting pipe 21 to achieve the connection between the sensor and the traction head. Embodiment 2

[0024] like Figure 2 As shown, as an alternative to the connection component 2 in the first embodiment, in this embodiment, the connection component 2 includes a round tube 23 fixedly connected to the bottom of multiple bent rods of the traction head 1, and a screw hole 24 is opened on the side wall of the round tube 23, and an extrusion bolt 25 is rotatably connected inside the screw hole 24.

[0025] When the pipe threader is a hard pipe, when installing the traction head, first insert the pipe of the pipe threader into the round pipe 23, and then tighten the extrusion bolt 25 to squeeze and fix the pipe. Embodiment 3

[0026] like Figure 3 As shown, as a replacement solution for the connecting component 2 in the first embodiment, in this embodiment, the connecting component 2 includes a pipe fitting 26 fixedly connected to the bottom of the multiple bent rods of the traction head 1, a tapered tube 27 is fixedly connected to the bottom of the pipe fitting 26, and the tapered tube 27 and the pipe fitting 26 are an integral structure, an external thread is provided on the surface of the pipe fitting 26, and an internal threaded sleeve 28 is rotatably connected to the surface of the pipe fitting 26, a circular opening 29 is provided at the bottom of the internal threaded sleeve 28, and the diameter of the circular opening 29 is smaller than the outer diameter of the pipe fitting 26.

[0027] When the tube threader is a hose, when installing the traction head, the hose of the tube threader is sleeved on the surface of the tapered tube 27, and then the internal threaded sleeve 28 is twisted along the surface of the pipe 26, and the circular opening 29 is used to squeeze the hose so that the hose is fixed on the surface of the tapered tube 27.

[0028] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A pipe threader pulling head device, characterized in that: The invention comprises a traction head (1) and a connection assembly (2), wherein the traction head (1) is composed of a plurality of bent rods, the tops of the plurality of bent rods are fixed by welding, and the bottoms of the plurality of bent rods are fixedly connected to the connection assembly (2), each of the bent rods is olive-shaped, oval-shaped or gourd-shaped, and the maximum diameter of the bent rod is greater than twice the diameter of the pipe threader.

2. A pipe threader pulling head device according to claim 1, characterized in that: The traction head (1) has at least three bent rods.

3. A pipe threader pulling head device according to claim 1, characterized in that: The connection assembly (2) comprises a connection pipe (21) fixedly connected to the bottom of a plurality of bent rods of the traction head (1), and the inner wall of the connection pipe (21) is provided with an internal thread.

4. A pipe threader pulling head device according to claim 1, characterized in that: The connection assembly (2) comprises a round tube (23) fixedly connected to the bottom of a plurality of bent rods of the traction head (1), a screw hole (24) is provided on the side wall of the round tube (23), and an extrusion bolt (25) is rotatably connected inside the screw hole (24).

5. The pipe threader pulling head device according to claim 1, characterized in that: The connection assembly (2) comprises a pipe fitting (26) fixedly connected to the bottom of a plurality of bent rods of the traction head (1); a tapered tube (27) is fixedly connected to the bottom end of the pipe fitting (26); the tapered tube (27) and the pipe fitting (26) are an integral structure; an external thread is provided on the surface of the pipe fitting (26); an internal thread sleeve (28) is rotatably connected to the surface of the pipe fitting (26); a circular opening (29) is provided at the bottom of the internal thread sleeve (28); and the diameter of the circular opening (29) is smaller than the outer diameter of the pipe fitting (26).

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