Rotary type electric pipe cutting machine device

Abstract

The utility model discloses a rotary type electric pipe cutting machine device, which belongs to the technical field of pipeline cutting and comprises a power unit assembly, the power unit assembly is an electric circular saw, and the electric circular saw is used for cutting a large-diameter pipeline. The power unit assembly is installed on the movable assembly, the left side and the right side of the movable assembly are connected with the chain-shaped annular track assembly through connecting plates, the side edge of the movable assembly is provided with a guide track assembly fixedly installed on a to-be-cut pipeline, and the guide track assembly is of a chain-shaped structure capable of being expanded at will; the guide rail assembly is used for adapting to assembly of pipelines with different diameters, and a tensioning mechanism assembly for adjusting the locking force is installed on the guide rail assembly. The rotary type electric pipe cutting machine device can be freely adjusted according to different diameters of pipelines, can meet the cutting requirements of thick-wall pipelines, is extremely convenient and rapid to mount and dismount, and can be suitable for cutting the pipelines in narrow and limited areas.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline cutting, in particular to a rotary electric pipe cutting machine device. Background Art

[0002] A pipeline refers to a device connected by pipes, pipe connectors and valves for conveying gas, liquid or fluid with solid particles. In the petroleum, chemical, natural gas and other industries, electric pipe cutting machines are usually used to cut large-diameter and thick-walled plastic pipes into corresponding sizes.

[0003] For example, a pneumatic pipe cutting machine with publication number CN217072496U includes a machine base, on which a lower pipe support and an upper pipe support are arranged, wherein the lower pipe support and the upper pipe support together form a pipe cutting area for fixing the pipe to be cut, and the machine base is provided with a guide member that passes through the upper pipe support; the number of the upper pipe support is at least two groups, and corresponding gaps are left between the two groups of the upper pipe support and on the lower pipe support, a cutter is arranged in the gap, and a feed drive source for driving the cutter to feed is arranged on the machine base.

[0004] The above-mentioned prior art has the following technical problems: the existing pipe cutting machine occupies a large overall space when in use, while the space between the pre-buried pipelines, pipe corridors and pipelines is narrow, and the quality requirements for the cut end face are high. Traditional larger pipe cutting machines cannot be used for construction, which increases the difficulty of cutting large-diameter and thick-walled plastic pipes in areas with limited space.

[0005] Therefore we propose a rotary electric pipe cutting machine device to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a rotary electric pipe cutting machine device to solve the problem raised by the above-mentioned background technology that the existing pipe cutting machines on the market currently occupy a large overall space when in use, while the space between pre-buried pipelines, pipe corridors and pipelines is narrow, and the quality requirements for the cut end face are high, and traditional larger pipe cutting machines cannot be used for construction, which increases the difficulty of cutting large-diameter and thick-walled plastic pipes in areas with limited space.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotary electric pipe cutting machine device, including a power unit assembly, wherein the power unit assembly is an electric circular saw, and the electric circular saw is used to cut large diameter pipes; the power unit assembly is installed on a movable assembly, and the left and right sides of the movable assembly are interconnected with a chain-shaped annular track assembly through a connecting plate, and a guide track assembly fixedly installed on the pipe to be cut is installed on the side of the movable assembly, and the guide track assembly is a chain-shaped structure that can be arbitrarily expanded to adapt to the assembly of pipes of different diameters, and a tensioning mechanism assembly for adjusting the locking force is installed on the guide track assembly.

[0008] Preferably, the movable assembly includes a fixed base and guide wheels, and the fixed base is fixedly installed below the electric circular saw, and guide wheels are installed on both the front and rear sides of the fixed base.

[0009] By adopting the above technical solution, the guide wheel rotates along the outer wall of the large-diameter plastic pipe, so that the fixed base can drive the electric circular saw to move synchronously, thereby achieving cutting of the large-diameter pipe.

[0010] Preferably, the side of the guide wheel is clearance-fitted with the side of the guide rail assembly, and the guide rail assembly is assembled by hingedly connecting multiple guide chains, and the guide wheels are symmetrically arranged about the transverse center axis of the fixed base, and the guide wheels cooperate with the guide rail assembly to operate.

[0011] By adopting the above technical solution, the guide rail assembly is formed by combining multiple guide chains, so that its assembly diameter can be controlled, which is convenient for adjustment according to the actual diameter of the pipe to be cut, thereby improving the adaptability between the guide rail assembly and pipes of different diameters.

[0012] Preferably, the chain-shaped annular track assembly is an assembly formed by combining a sliding trolley assembly, a tensioning trolley assembly and a tensioning assembly using a connecting assembly.

[0013] By adopting the above technical solution, the power unit assembly can be rotated synchronously by rotating the chain-shaped annular track assembly along the outer wall of the pipeline.

[0014] Preferably, the sliding trolley assembly consists of a trolley body, rollers located in front and behind the trolley body, and a handle on the top; the tensioning trolley assembly consists of two tensioning bodies, guide wheels located in front and behind the tensioning bodies, center guide shafts on the two tensioning bodies, and tension springs; a locking bolt is screwed on the center guide shaft, and the center guide shafts on the two tensioning bodies are connected to each other through tension springs; the connecting assembly consists of a pin shaft and an adapter plate; and the tensioning assembly consists of a draw hook and an articulated guide head.

[0015] By adopting the above technical solution, the draw hook is connected to the hinged guide head, so that the open chain-shaped annular track component can be enclosed to form a closed structure.

[0016] Preferably, the trolley body and the tensioning body are both configured as arch structures, and the ends of the tensioning body are interconnected by a plurality of tension springs and a sliding trolley assembly, and arc grooves are provided at the ends of the trolley body and the tensioning body.

[0017] By adopting the above technical solution, the provision of the arc-shaped groove can facilitate the insertion of the pin shaft at the end of the adapter plate.

[0018] Preferably, the pin shaft is symmetrically arranged with respect to the vertical center axis of the adapter plate, and the parts connected to the pin shaft can realize 350° rotation.

[0019] By adopting the above technical solution, adjacent components can be easily assembled and connected to each other through the pins at the left and right ends of the adapter plate.

[0020] Preferably, the tensioning mechanism assembly consists of two tensioning thread blocks and a tensioning screw rod, and the tensioning thread block is connected to the guide chain, and the two tensioning thread blocks are connected to each other through the tensioning screw rod.

[0021] By adopting the above technical solution, the two tensioning threaded blocks interconnected with the guide chain can form a closed structure through the arrangement of the tensioning screw rod.

[0022] Preferably, the tensioning screw rod and the tensioning threaded blocks at the left and right ends are threadedly connected, and the threads at the left and right ends of the tensioning screw rod have opposite directions.

[0023] By adopting the above technical solution, the tensioning thread blocks at the left and right ends can be relatively moved by rotating the tensioning screw rod.

[0024] Compared with the prior art, the beneficial effects of the utility model are as follows: the rotary electric pipe cutting machine device can be adjusted arbitrarily according to different pipe diameters and can meet the requirements for cutting thick-walled pipes. It is extremely convenient and quick to install and disassemble, and can adapt to cutting pipes in narrow and limited areas. The connecting component combines the sliding trolley component, the tensioning trolley component and the tensioning component to form a chain-like annular track component, so that the chain-like annular track component can be attached to the outside of the pipe to be cut, thereby utilizing the rotation of the chain-like annular track component to drive the electric circular saw to rotate synchronously, and utilizing the electric circular saw to cut the pipe. At the same time, an indicating scale is provided on the electric circular saw, so as to adjust and observe the cutting depth of the electric circular saw. A tensioning trolley component is provided, and the tensioning trolley component provided on the chain-like annular track component can be tightened to adjust the cutting depth of the trolley component. A tension spring ensures that the wheel-shaped component can be evenly pressed on the pipeline, and the central guide shaft ensures that the entire chain-shaped circular track always runs on a vertical plane; the guide track assembly is composed of a plurality of hinged guide chains, so that the guide track assembly forms a flexible track, and then the number of guide chains can be adjusted arbitrarily according to the different diameters of the pipelines on the construction site, and then the number of guide track assemblies can be changed to adapt to the installation of pipelines with different diameters; a tensioning mechanism assembly is provided, and the reverse threads at the left and right ends can be used to make the two tensioning thread blocks move synchronously relative to each other through the rotation of the tensioning screw rod, thereby realizing rapid tensioning of the guide track assembly; the sliding trolley assembly adopts an arched structure design, with arc grooves at both ends, which are connected to the pins on the adapter plate through the arc grooves, so that the overall connection is convenient and fast, which is extremely practical for the inspection and maintenance of subsequent equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the front three-dimensional structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the fixed base and guide wheel structure of the utility model;

[0027] Figure 3 This is a schematic diagram of the structure of the fixed base and the connecting plate of the utility model;

[0028] Figure 4 This is a schematic diagram of the structure of the tensioning vehicle body and the guide wheel of the utility model;

[0029] Figure 5 This is a schematic diagram of the structure of the trolley body and the handle of the utility model;

[0030] Figure 6 This is a schematic diagram of the central guide shaft and tension spring structure of the utility model;

[0031] Figure 7 This is a schematic diagram of the structure of the tensioning thread block and the tensioning screw rod of the utility model;

[0032] Figure 8 This is a schematic diagram of the structure of the draw hook and the hinged guide head of the utility model;

[0033] Fig. 9 This is a schematic diagram of the structure of the guide chain and tensioning mechanism components of the utility model.

[0034] In the figure: 1. Power unit assembly; 101. Electric circular saw; 2. Movable assembly; 201. Fixed base; 202. Guide wheel; 3. Chain ring track assembly; 301. Sliding trolley assembly; 3011. Trolley body; 3012. Roller; 3013. Handle; 302. Tension trolley assembly; 3021. Tension trolley body; 3022. Guide wheel; 3023. Center guide shaft; 3024. Tension spring; 303. Connecting assembly; 3031. Pin; 3032. Adapter plate; 304. Tensioning assembly; 3041. Draw hook; 3042. Articulated guide head; 4. Guide track assembly; 401. Guide chain; 5. Tensioning mechanism assembly; 501. Tensioning thread block; 502. Tensioning screw rod; 6. Connecting plate. DETAILED DESCRIPTION

[0035] 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 in 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.

[0036] See also Figure 1-Figure 9 , the utility model discloses the following technical contents: a rotary electric pipe cutting machine device, comprising a power unit assembly 1, the power unit assembly 1 is an electric circular saw 101, and the electric circular saw 101 is used to cut large diameter pipes;

[0037] The electric circular saw 101 is controlled by a foot switch, and a rotation angle fixing device is installed on the rotating shaft of the saw blade cover on the electric circular saw 101. When cutting, the saw blade cover is rotated to adjust the saw blade to a suitable cutting depth according to the indicated scale, and the angle of the saw blade cover is fixed by the rotation angle fixing device;

[0038] The power unit assembly 1 is mounted on the movable assembly 2, and the left and right sides of the movable assembly 2 are connected to the chain-shaped circular track assembly 3 through the connecting plate 6. The movable assembly 2 includes a fixed base 201 and a guide wheel 202, and the fixed base 201 is fixedly mounted below the electric circular saw 101, and the guide wheels 202 are installed on both the front and rear sides of the fixed base 201. The chain-shaped circular track assembly 3 is an assembly formed by combining the sliding trolley assembly 301, the tensioning trolley assembly 302 and the tensioning assembly 304 using the connecting assembly 303. The sliding trolley assembly 301 consists of a trolley body 3011, rollers 3012 located in front and behind the trolley body 3011, and a handle 3013 on the top. The tensioning trolley assembly 302 consists of two tensioning trolley bodies 3021, guide wheels 3022 located in front and behind the tensioning trolley bodies 3021, center guide shafts 3023 on the two tensioning trolley bodies 3021, and tension springs 3024. A locking bolt is screwed on the center guide shaft 3023, and the center guide shafts 3023 on the two tensioning trolley bodies 3021 are connected to each other through the tension spring 3024. The connecting assembly 303 consists of a pin shaft 3031 and an adapter plate 3032. The tensioning assembly 304 consists of a hook 3041 and a hinged guide head 3042.

[0039] Among them, a tensioning trolley assembly 302 is installed on the chain-shaped annular track assembly 3, and four tension springs 3024 are used to ensure that the wheel-shaped components on the pipe cutting machine can be evenly pressed against the outer wall of the pipe, ensuring that the entire chain-shaped annular track assembly 3 always runs on a vertical plane, thereby making the chain-shaped annular track assembly 3 have a compensating profiling function, so that it can also adapt to elliptical pipes; the trolley body 3011 and the tensioning trolley body 3021 are both set as arch structures, and the ends of the tensioning trolley body 3021 are connected to each other through multiple tension springs 3024 and the sliding trolley assembly 301, and the ends of the trolley body 3011 and the tensioning trolley body 3021 are both provided with arc grooves. The pin shaft 3031 is symmetrically arranged about the vertical central axis of the adapter plate 3032, and the parts connected to the pin shaft 3031 can achieve 350° rotation.

[0040] Among them, each connection part adopts a quick-disassembly structure design, each connection part is hinged and can be rotated 350°, and the installation and disassembly are extremely convenient and quick. The trolley body 3011 adopts an arched structure design with arc grooves at both ends. The connection is convenient and fast, which is extremely practical for the subsequent inspection and maintenance of equipment.

[0041] The side of the movable component 2 is provided with a guide rail component 4 fixedly mounted on the pipe to be cut. The guide rail component 4 is a chain-shaped structure that can be arbitrarily expanded to adapt to the assembly of pipes of different diameters. A tensioning mechanism component 5 for adjusting the locking force is installed on the guide rail component 4. The side of the guide wheel 202 is clearance-matched with the side of the guide rail component 4, and the guide rail component 4 is hingedly assembled by a plurality of guide chains 401, and the guide wheel 202 is symmetrically arranged about the transverse central axis of the fixed base 201, and the guide wheel 202 cooperates with the guide rail component 4 to operate. The tensioning mechanism component 5 is composed of two tensioning thread blocks 501 and a tensioning screw rod 502, and the tensioning thread block 501 is interconnected with the guide chain 401, and the two tensioning thread blocks 501 are interconnected through the tensioning screw rod 502. The tensioning screw rod 502 is threadedly connected to the tensioning thread blocks 501 at the left and right ends, and the threads of the left and right ends of the tensioning screw rod 502 are opposite.

[0042] Working principle: When cutting a pipe, a suitable number of guide chains 401 are assembled according to the diameter of the pipe to be cut, and then the assembled guide track assembly 4 is sleeved on the pipe to be cut, and then the tensioning screw rod 502 is rotated. The rotation of the tensioning screw rod 502 can make the tensioning thread blocks 501 on the left and right sides move relative to each other, thereby fixing the guide track assembly 4 on the pipe, and then the power unit assembly 1, the movable assembly 2, the sliding trolley assembly 301 and the tensioning trolley assembly 302 are connected to form a chain-shaped annular track assembly 3 that matches the diameter of the pipe by using the connecting assembly 303 and the connecting plate 6. 3 is installed on the pipe, and the chain-shaped ring track assembly 3 is closed by hooking and fixing the draw hook 3041 on the hinged guide head 3042, and the blade of the electric circular saw 101 is aligned with the position to be cut. After that, the guide wheel 202 on the movable assembly 2 is matched with the guide track assembly 4, and the handle 3013 is rotated to make the electric circular saw 101 rotate along the outer wall of the pipe to see whether it is on a vertical plane. After adjustment, power is turned on, and the foot switch is stepped on. The circular saw blade slowly falls until it cuts through the pipe wall thickness. Then, the cutting depth is locked by the angle fixing device, and the handle 3013 is slowly rotated along the pointer until a circle of cutting is completed. The whole cutting process is completed.

[0043] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0044] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rotary electric pipe cutting machine device, comprising a power unit assembly (1), wherein the power unit assembly (1) is an electric circular saw (101), and the electric circular saw (101) is used to cut large diameter pipes; characterized in that: The power unit assembly (1) is mounted on the movable assembly (2), and the left and right sides of the movable assembly (2) are connected to the chain-shaped annular track assembly (3) via a connecting plate (6), and a guide track assembly (4) fixedly mounted on the pipe to be cut is mounted on the side of the movable assembly (2), and the guide track assembly (4) is a chain-shaped structure that can be expanded arbitrarily and is used to adapt to the assembly of pipes of different diameters, and a tensioning mechanism assembly (5) for adjusting the locking force is mounted on the guide track assembly (4).

2. A rotary electric pipe cutting machine device according to claim 1, characterized in that: The movable assembly (2) comprises a fixed base (201) and a guide wheel (202), wherein the fixed base (201) is fixedly mounted below the electric circular saw (101), and the guide wheels (202) are mounted on both the front and rear sides of the fixed base (201).

3. A rotary electric pipe cutting machine device according to claim 2, characterized in that: The side surface of the guide wheel (202) and the side surface of the guide track assembly (4) are clearance-matched, and the guide track assembly (4) is formed by hinged assembly of a plurality of guide chains (401), and the guide wheels (202) are symmetrically arranged about the transverse center axis of the fixed base (201), and the guide wheels (202) and the guide track assembly (4) cooperate in operation.

4. A rotary electric pipe cutting machine device according to claim 1, characterized in that: The chain-shaped annular track assembly (3) is an assembly formed by combining a sliding trolley assembly (301), a tensioning trolley assembly (302) and a tensioning assembly (304) using a connecting assembly (303).

5. A rotary electric pipe cutting machine device according to claim 4, characterized in that: The sliding trolley assembly (301) is composed of a trolley body (3011), rollers (3012) located in front and behind the trolley body (3011), and a handle (3013) on the top; the tensioning trolley assembly (302) is composed of two tensioning trolley bodies (3021), guide wheels (3022) located in front and behind the tensioning trolley bodies (3021), central guide shafts (3023) on the two tensioning trolley bodies (3021), and tension springs (3024); a locking bolt is screwed onto the central guide shaft (3023), and the central guide shafts (3023) on the two tensioning trolley bodies (3021) are connected to each other via the tension spring (3024); the connecting assembly (303) is composed of a pin shaft (3031) and an adapter plate (3032); and the tensioning assembly (304) is composed of a draw hook (3041) and a hinged guide head (3042).

6. A rotary electric pipe cutting machine device according to claim 5, characterized in that: The trolley body (3011) and the tensioning body (3021) are both configured as arch structures, and the ends of the tensioning body (3021) are connected to each other via a plurality of tension springs (3024) and the sliding trolley assembly (301), and arc grooves are provided at the ends of the trolley body (3011) and the tensioning body (3021).

7. A rotary electric pipe cutting machine device according to claim 5, characterized in that: The pin shaft (3031) is symmetrically arranged with respect to the vertical center axis of the adapter plate (3032), and the parts connected to the pin shaft (3031) can all realize 350° rotation.

8. A rotary electric pipe cutting machine device according to claim 3, characterized in that: The tensioning mechanism assembly (5) is composed of two tensioning thread blocks (501) and a tensioning screw rod (502), and the tensioning thread block (501) is connected to the guide chain (401), and the two tensioning thread blocks (501) are connected to each other via the tensioning screw rod (502).

9. A rotary electric pipe cutting machine device according to claim 8, characterized in that: The tensioning screw rod (502) and the tensioning thread blocks (501) at the left and right ends are threadedly connected, and the threads at the left and right ends of the tensioning screw rod (502) have opposite directions.

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