CN211102056U

CN211102056U - Pipeline cutting device

Info

Publication number: CN211102056U
Application number: CN201920836412.7U
Authority: CN
Inventors: 张振增; 王召军; 刘忠波; 杨平; 陈晓辉; 姜兴安
Original assignee: Daqing Petroleum Administration Bureau; Daqing Oilfield Construction Group Co Ltd
Current assignee: Daqing Petroleum Administration Bureau; China National Petroleum Corp; Daqing Oilfield Construction Group Co Ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-07-28
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a pipeline cutting device, including the cutting torch subassembly, the cutting torch subassembly includes the flame cutting torch, its characterized in that: the cutting torch assembly is connected with the rotary driving mechanism; the rotary driving mechanism is connected to the pipeline and used for driving the cutting torch component to rotate by taking the axis of the pipeline as a center, and meanwhile, the flame cutting torch cuts along the loop line of the pipeline; the problems that the edge of a cutting opening is uneven in manual cutting, the cutting machine is not suitable for cutting the spiral pipeline and the like are solved.

Description

Pipeline cutting device

Technical Field

The utility model relates to a small-bore pipeline cutting equipment, specific is a cutting appurtenance.

Background

The traditional pipe cutting method is manual flame cutting torch cutting or pipe cutting machine cutting. The manual flame-holding cutting torch cuts along the pipeline loop line, has the defects of unstable operation and uneven edge of a cutting opening due to the limitation of the instinctive reason of human respiration, needs to be polished after cutting, is labor-consuming and time-consuming, and has low efficiency. The pipeline cutting machine has the problems of unsuitability for cutting the spiral steel pipe, complex operation and high cost.

Disclosure of Invention

In view of this, the utility model provides a pipeline cutting device.

In order to achieve the above object, the pipe cutting apparatus includes a cutting torch assembly, the cutting torch assembly includes a flame cutting torch, and the pipe cutting apparatus is characterized in that:

the cutting torch assembly is connected with the rotary driving mechanism;

the rotary driving mechanism is connected to the pipeline and used for driving the cutting torch component to rotate by taking the axis of the pipeline as a center, and meanwhile, the flame cutting torch cuts along the loop line of the pipeline.

Preferably, the rotary drive mechanism includes: a fixed sleeve and a rotary sleeve;

the fixed sleeve is connected to the pipeline;

the rotating sleeve is sleeved outside the fixed sleeve and rotates relative to the fixed sleeve;

the rotating sleeve is connected with the cutting torch assembly.

Preferably, a ball is arranged between the fixed sleeve and the rotating sleeve;

the ball is used for enabling the rotary sleeve to rotate relative to the fixed sleeve.

Preferably, a handle is connected to the rotating sleeve;

the handle is used for manually driving the rotary sleeve to rotate relative to the fixed sleeve.

Preferably, the internal diameter of said harness is greater than the external diameter of said pipe;

the fixed sleeve is circumferentially connected with a jackscrew;

the jackscrew is used for connecting and fixing the fixed sleeve on the pipeline.

Preferably, at least one side of the fixing sleeve is provided with a limiting hoop;

the limiting hoop is connected to the pipeline and used for limiting the axial movement of the rotary sleeve.

Preferably, the cutting torch assembly is attached to the rotating sleeve by the cutting torch bracket.

Preferably, the cutting torch assembly, comprising: rotating the angle clamping;

the rotation angle clamp is connected to the cutting torch bracket and used for adjusting the relative position of the flame cutting torch and the loop.

Preferably, the cutting torch assembly, comprising: a cutting nozzle fixing sleeve;

the cutting nozzle fixing sleeve is used for fixing the flame cutting torch.

Preferably, the cutting nozzle fixing sleeve is connected to the tail end of the support rod;

the support rod is clamped on the rotation angle clamping clamp and used for adjusting the distance between the cutting torch fixing sleeve and the loop line.

The utility model discloses following beneficial effect has:

compared with manual cutting, the cutting device of the utility model overcomes the problem of uneven cutting edges, has low operation cost compared with a large-scale cutting machine, and can be suitable for cutting spiral pipelines; has strong practicability.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

fig. 1 is a front view of a pipe cutting apparatus according to an embodiment of the present invention;

fig. 2 is a left side view of fig. 1.

Detailed Description

The present invention will be described below based on examples, but it should be noted that the present invention is not limited to these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. However, for parts not described in detail, those skilled in the art can fully understand the present invention.

Furthermore, those skilled in the art will appreciate that the drawings are provided for purposes of illustrating the objects, features, and advantages of the invention and are not necessarily drawn to scale.

Also, unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, the meaning of "includes but is not limited to".

Fig. 1 is a front view of a pipe cutting apparatus according to an embodiment of the present invention; fig. 2 is a left side view of fig. 1. As shown in fig. 1 and 2, a pipe cutting apparatus includes a cutting torch assembly including a flame cutting torch, the cutting torch assembly being connected to a rotary driving mechanism; and the rotary driving mechanism is connected to the pipeline and used for driving the cutting torch component to rotate by taking the axis of the pipeline as a center, and simultaneously, the flame cutting torch cuts along the circular line of the pipeline.

In fig. 1 and 2, the rotation driving mechanism includes: a fixed sleeve 3 and a rotary sleeve 2; the fixed sleeve 3 is connected on the pipeline; the rotary sleeve 2 is sleeved outside the fixed sleeve 3 and rotates relative to the fixed sleeve 3; the rotating sleeve 2 is connected with a cutting torch assembly.

In fig. 2, the fixed sleeve 3 and the rotating sleeve 2 have balls 5 between them; balls 5 for rotating the rotating sleeve 2 with respect to the fixed sleeve 3.

In fig. 1 and 2, a handle 1 is connected to a rotary sleeve 2; the handle 1 is used for manually driving the rotary sleeve 2 to rotate relative to the fixed sleeve 3. The inner diameter of the fixed sleeve 3 is larger than the outer diameter of the pipeline; the fixed sleeve 3 is circumferentially connected with a jackscrew 4; and the jackscrew 4 is used for connecting and fixing the fixing sleeve 3 on the pipeline.

In fig. 1, at least one side of the fixing sleeve 3 is provided with a limiting hoop 10; and the limiting hoop 10 is connected to the pipeline and used for limiting the axial movement of the rotary sleeve 2.

In fig. 1 and 2, the cutting torch assembly is connected to the rotating sleeve 2 by a torch holder 6.

In fig. 1 and 2, the cutting torch assembly further comprises a rotation angle clip 7; and the rotation angle clamp 7 is connected to the cutting torch bracket 6 and is used for adjusting the relative position of the flame cutting torch and the coil.

In fig. 1 and 2, the cutting torch assembly further comprises a cutting tip retaining sleeve 9; and the cutting nozzle fixing sleeve 9 is used for fixing the flame cutting torch.

In fig. 1 and 2, a cutting nozzle fixing sleeve 9 is connected to the tail end of the support rod 8; the support rod 8 is clamped on the rotating angle clamp 7 and is used for adjusting the distance between the cutting nozzle fixing sleeve 9 and a loop line.

Specifically, the pipe cutting device of the present invention is further described with reference to fig. 1-2:

this pipeline cutting device structure is similar with semi-automatic cutting machine, with fixed cover 3 on the pipeline outer wall that rises with jackscrew 4 and tightly rise, carries out manual drive through handle 1 on the swivel mount 2, the cutting pipeline adopt on-the-spot cutting torch cutting commonly used can.

The diameter of fixed cover 3 is greater than the pipeline diameter of being cut, taps the screw hole on fixed cover 3, adopts jackscrew 4 to rise tightly on the pipeline outer wall of different models, realizes that the device is fixed with the pipeline fast and keeps both concentricity.

Fixed 3 overcoat of cover has swivel housing 2, utilizes swivel housing 2 to drive cutting torch support 6 and rotates, sets up ball 5 and handle 1 on the swivel housing 2, carries out hand drive swivel housing 2 through handle 1, and ball 5 between swivel housing 2 and the fixed cover 3 plays the effect of reducing friction. And two ends of the fixed sleeve 3 are respectively welded with a limiting hoop 10, and the rotating sleeve 2 is ensured to be axially fixed by the limiting hoop 10.

The cutting torch bracket 6 is connected with a rotation angle clamp 7, and the rotation angle clamp 7 can realize the arbitrary adjustment of the cutting degree of the cutting torch; the rotation angle clamp 7 clamps the support rod 8, and the distance from the tail end of the support rod 8 to a coil on a cut pipeline can be adjusted through the difference of clamping positions of the support rod 8 on the rotation angle clamp 7. Due to the action of the rotating angle clamp 7, the support rod 8 becomes an adjustable telescopic rod. That is, the effective distance of the flame of the cutting nozzle is realized by the adjustable telescopic support rod 8, and the use of the large and small pipe diameters is realized; the lower end of the adjustable telescopic support rod 8 is provided with a cutting nozzle fixing sleeve 9, and the cutting nozzle extends into the cutting nozzle fixing sleeve 9 for fixing, so that the cutting torch can walk stably.

During the use, fix the cutting torch in cutting torch fixed cover 9, adjustment rotation angle clamping 7 and branch 8 for the cutting torch is moderate apart from the circle line position of waiting to cut the pipeline, and the angle is suitable, can open the cutting torch, and uses waiting to cut the pipeline axial and be rotatory as the center through handle 1 drive swivel mount 2, and the cutting torch cuts along waiting to cut the circle line of pipeline simultaneously, finishes until the cutting.

The above-mentioned embodiments are merely embodiments for expressing the invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, substitutions, modifications, etc. can be made without departing from the spirit of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A pipe cutting apparatus comprising a cutting torch assembly, the cutting torch assembly comprising a flame cutting torch, characterized in that:

the cutting torch assembly is connected with the rotary driving mechanism;

2. The pipe cutting apparatus of claim 1, wherein:

the rotary drive mechanism includes: a fixed sleeve (3) and a rotary sleeve (2);

the fixed sleeve (3) is connected to the pipeline;

the rotating sleeve (2) is sleeved outside the fixed sleeve (3) and rotates relative to the fixed sleeve (3);

the rotating sleeve (2) is connected with the cutting torch component.

3. The pipe cutting apparatus of claim 2, wherein:

balls (5) are arranged between the fixed sleeve (3) and the rotating sleeve (2);

the ball (5) is used for enabling the rotary sleeve (2) to rotate relative to the fixed sleeve (3).

4. The pipe cutting apparatus of claim 2, wherein:

the rotating sleeve (2) is connected with a handle (1);

the handle (1) is used for manually driving the rotary sleeve (2) to rotate relative to the fixed sleeve (3).

5. The pipe cutting apparatus of claim 2, wherein:

the inner diameter of the fixed sleeve (3) is larger than the outer diameter of the pipeline;

the circumference of the fixed sleeve (3) is connected with a jackscrew (4);

the jackscrew (4) is used for connecting and fixing the fixed sleeve (3) on the pipeline.

6. The pipe cutting apparatus of claim 2, wherein:

at least one side of the fixed sleeve (3) is provided with a limiting hoop (10);

the limiting anchor ear (10) is connected to the pipeline and used for limiting the axial movement of the rotary sleeve (2).

7. The pipe cutting apparatus according to any one of claims 2 to 6, wherein:

the cutting torch component is connected to the rotating sleeve (2) through a cutting torch bracket (6).

8. The pipe cutting apparatus of claim 7, wherein:

the cutting torch assembly, comprising: a rotation angle clip (7);

the rotation angle clamp (7) is connected to the cutting torch bracket (6) and used for adjusting the relative position of the flame cutting torch and the coil.

9. The pipe cutting apparatus of claim 8, wherein:

the cutting torch assembly, comprising: a cutting nozzle fixing sleeve (9);

the cutting nozzle fixing sleeve (9) is used for fixing the flame cutting torch.

10. The pipe cutting apparatus of claim 9, wherein:

the cutting nozzle fixing sleeve (9) is connected to the tail end of the support rod (8);

the support rod (8) is clamped on the rotation angle clamping clip (7) and used for adjusting the distance between the cutting torch fixing sleeve (9) and the loop line.