Pipeline cutting device for boiler installation

Abstract

The utility model discloses a pipeline cutting device for boiler installation, which belongs to the technical field of pipeline cutting and is characterized by comprising a pipeline body, arc-shaped clamping plates are arranged at the top and the bottom of the pipeline body, and clamping rollers are arranged on the sides, close to the pipeline body, of the arc-shaped clamping plates. The problems that in the existing cutting process, the surface of a pipeline is usually sleeved with a cutting device from one end of the pipeline, then the cutting device is moved to the position needing to be cut, then the cutting device and the pipeline are clamped and fixed, and then the pipeline is cut through annular movement; the problems that an existing cutting device needs to be arranged from one end of a pipeline in a sleeving mode and moved to the position needing to be cut in the prior art, operation is troublesome, when the pipeline with a corner is cut, the existing cutting device cannot be moved to the position needing to be cut, certain limitation exists when the existing cutting device is used, and pipelines with different thicknesses are inconvenient to clamp and fix are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline cutting, in particular to a pipeline cutting device for boiler installation. Background Art

[0002] A boiler is an energy conversion device. The energy input into the boiler includes chemical energy and electrical energy in the fuel, and the boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of thermal energy.

[0003] At present, there is a Chinese patent with announcement number CN212945734U. The utility model discloses a boiler pipe cutting device, including a cutting machine and a boiler pipe. A rotating block is fixedly installed on the top outer surface of the cutting machine, a plug rod is installed on one side of the rotating block, a handle is fixedly installed on one end of the plug rod, and a slicer is rotatably installed on the bottom of the cutting machine. Fixed blocks are fixedly installed on the outer surfaces of both sides of the cutting machine, a spring is fixedly installed inside the fixed block, a baffle is fixedly installed on one end of the spring, a fixed plate is fixedly installed on one side of the cutting machine, a mounting plate is fixedly installed on one side of the fixed plate, and a clamping block is fixedly installed on the upper end of the mounting plate. In the utility model, the pulley and support plate are set, the pipe can be fixed more conveniently and flexibly, and there is no need to rotate the pipe for cutting during cutting, which saves a lot of manpower and material resources, and is more convenient for staff to use.

[0004] When installing the boiler, it is necessary to cut the pipe, which requires a pipe cutting device. In the existing method of cutting, the cutting device is usually put on the pipe surface from one end of the pipe, and then moved to the position where cutting is required, and then the cutting device and the pipe are clamped and fixed, and then the pipe is cut by circular movement. However, the existing cutting device also needs to be put on from one end of the pipe and then moved to the position where cutting is required, which is troublesome. Moreover, when cutting a pipe with a corner, it cannot be moved to the position where cutting is required. There are certain limitations when using it, and it is not convenient to clamp and fix pipes of different thicknesses. Utility Model Content

[0005] The utility model provides a pipe cutting device for boiler installation, aiming to solve the problem that when cutting, the cutting device is usually sleeved on the pipe surface from one end of the pipe, then moved to the position where cutting is required, and then the cutting device and the pipe are clamped and fixed, and then the pipe is cut by circular movement. However, the existing cutting device also needs to be sleeved from one end of the pipe and then moved to the position where cutting is required, which is troublesome. Moreover, when cutting a pipe with a corner, it cannot be moved to the position where cutting is required, and there are certain limitations when it is used. Moreover, it is not convenient to clamp and fix pipes of different thicknesses.

[0006] The utility model is implemented as follows: a pipe cutting device for boiler installation comprises a pipe body, wherein the top and bottom of the pipe body are both provided with arc-shaped clamping plates, a clamping roller is provided on the side of the arc-shaped clamping plate close to the pipe body, an adjusting component is fixedly connected to the side of the clamping roller away from the pipe body, a support frame is provided on the right side of the pipe body, a transmission component used in conjunction with the arc-shaped clamping plate is provided on the left side of the support frame, a fixing block is fixedly connected to the right side of the front side of the support frame, an electric telescopic rod is fixedly connected to the front and rear sides of the left side of the fixing block, a fixing plate is fixedly connected to the output end of the electric telescopic rod, a cutting machine is fixedly connected to the left side of the fixing plate, and a handle is fixedly connected to the right side of the rear side of the support frame;

[0007] The adjustment assembly includes a handle, a threaded rod and a positioning plate, wherein the side of the threaded rod close to the handle is fixedly connected to the handle, the side of the threaded rod away from the handle passes through the arc-shaped clamping plate and extends to the inner cavity of the positioning plate, the side of the threaded rod surface close to the inner wall of the positioning plate is rotatably connected to the inner wall of the positioning plate through a bearing, and the side of the positioning plate close to the clamping roller is fixedly connected to the clamping roller.

[0008] In order to achieve the effect of driving the two arc-shaped clamping plates to move in relative or opposite directions, as a preferred boiler installation pipe cutting device of the utility model, the transmission assembly includes a forward and reverse motor, a bidirectional screw, a first transmission block and a second transmission block. The top of the bidirectional screw is fixedly connected to the output end of the forward and reverse motor, and the bottom of the bidirectional screw passes through the bottom of the support frame. The inner walls of the first transmission block and the second transmission block are respectively connected to the surface of the bidirectional screw by threads, and the first transmission block and the second transmission block are respectively fixedly connected to the arc-shaped clamping plate on one side close to the arc-shaped clamping plate.

[0009] In order to achieve the effect that the threaded rod can move through the thread when it rotates, and the position of the threaded rod can be positioned through the thread, as a preferred boiler installation pipe cutting device of the utility model, a threaded hole used in conjunction with the threaded rod is opened on the side of the arc-shaped clamping plate away from the pipe body, and the surface of the threaded rod is connected to the inner wall of the threaded hole through a thread.

[0010] In order to limit the position of the positioning plate so that the positioning plate does not rotate, as a preferred boiler installation pipe cutting device of the utility model, the front side and the rear side of the positioning plate away from the clamping roller are fixedly connected to a limiting rod, and the limiting rod passes through the arc-shaped clamping plate on the side away from the positioning plate.

[0011] In order to achieve the effect of allowing the limit rod to move when the positioning plate moves, as a preferred boiler installation pipe cutting device of the utility model, the arc-shaped clamping plate is provided with a limit hole used in conjunction with the limit rod on one side close to the clamping roller, and the surface of the limit rod is slidably connected to the inner wall of the limit hole.

[0012] In order to achieve the effect of allowing the bidirectional screw to rotate conveniently through the bearing, as a preferred boiler installation pipe cutting device of the utility model, movable holes for use with the bidirectional screw are opened on the left side of the top and bottom of the support frame, and the top and bottom of the bidirectional screw surface are respectively rotatably connected to the inner wall of the movable hole through bearings.

[0013] In order to limit the position of the first transmission block and the second transmission block so that the first transmission block and the second transmission block do not rotate, as a preferred boiler installation pipe cutting device of the utility model, a positioning rod is fixedly connected to the right side of the top of the inner wall of the support frame, and the bottom of the positioning rod passes through the first transmission block and the second transmission block in sequence and is fixedly connected to the right side of the bottom of the inner wall of the support frame.

[0014] In order to achieve the effect of allowing the first transmission block and the second transmission block to slide on the surface of the positioning rod, as a preferred boiler installation pipe cutting device of the utility model, the tops of the first transmission block and the second transmission block are each provided with a positioning hole used in conjunction with the positioning rod, and the surface of the positioning rod is slidably connected to the inner wall of the positioning hole.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The boiler installation pipe cutting device is provided with a pipe body, an arc-shaped clamping plate, a clamping roller, an adjustment component, a support frame, a transmission component, a fixing block, an electric telescopic rod, a fixing plate, a cutting machine and a handle. When in use, two arc-shaped clamping plates are directly clamped at the appropriate position where the pipe body needs to be cut, and then the transmission component is started to drive the two arc-shaped clamping plates to move in opposite directions, and the arc-shaped clamping plates drive the clamping roller to move through the adjustment component, so that the clamping roller contacts the pipe body, thereby clamping the pipe body in an arc shape through a plurality of clamping rollers, and then the electric telescopic rod is started, and the electric telescopic rod is fixed to the pipe body. The fixed plate moves the cutting machine to the cutting point for cutting, and then the handle can be held to move the support frame in a circle around the pipe body through the clamping roller, thereby driving the cutting machine to move in a circle to cut the pipe body. A large space is left between the two arc-shaped clamping plates, so that the pipe body can be directly clamped at the position where it needs to be cut on the surface of the pipe body. It does not need to be inserted from one end of the pipe body, which is more convenient. When cutting pipe bodies of different thicknesses, the position of the clamping roller can be adjusted by adjusting the component, so as to achieve the effect of facilitating the clamping, fixing and cutting of pipe bodies of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural diagram of the boiler installation pipe cutting device of the utility model;

[0018] Figure 2 This is a structural diagram of the arc-shaped clamping plate, clamping roller, adjustment assembly, support frame and transmission assembly in the utility model;

[0019] Figure 3 This is a structural diagram of the arc-shaped clamping plate, the support frame, the first transmission block and the second transmission block in the utility model;

[0020] Figure 4 It is a structural diagram of the adjustment component in the utility model;

[0021] Figure 5 It is a structural diagram of the fixing block, the electric telescopic rod, the fixing plate and the cutting machine in the utility model.

[0022] In the figure, 1. pipe body; 2. arc clamping plate; 3. clamping roller; 4. adjustment component; 401. turning handle; 402. threaded rod; 403. positioning plate; 5. support frame; 6. transmission component; 601. forward and reverse motor; 602. bidirectional screw; 603. first transmission block; 604. second transmission block; 7. fixing block; 8. electric telescopic rod; 9. fixing plate; 10. cutting machine; 11. handle; 12. threaded hole; 13. limit rod; 14. limit hole; 15. movable hole; 16. positioning rod; 17. positioning hole. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0025] See also Figure 1-5 The utility model provides a technical solution: a pipe cutting device for boiler installation, comprising a pipe body 1, an arc-shaped clamping plate 2 is arranged on the top and bottom of the pipe body 1, a clamping roller 3 is arranged on the side of the arc-shaped clamping plate 2 close to the pipe body 1, an adjusting component 4 is fixedly connected to the side of the clamping roller 3 away from the pipe body 1, a support frame 5 is arranged on the right side of the pipe body 1, a transmission component 6 used in conjunction with the arc-shaped clamping plate 2 is arranged on the left side of the support frame 5, a fixing block 7 is fixedly connected to the right side of the front side of the support frame 5, an electric telescopic rod 8 is fixedly connected to the front and rear sides of the left side of the fixing block 7, a fixing plate 9 is fixedly connected to the output end of the electric telescopic rod 8, a cutting machine 10 is fixedly connected to the left side of the fixing plate 9, and a handle 11 is fixedly connected to the right side of the rear side of the support frame 5;

[0026] The adjustment assembly 4 includes a turning handle 401, a threaded rod 402 and a positioning plate 403. The side of the threaded rod 402 close to the turning handle 401 is fixedly connected to the turning handle 401, the side of the threaded rod 402 away from the turning handle 401 passes through the arc-shaped clamping plate 2 and extends to the inner cavity of the positioning plate 403, the side of the surface of the threaded rod 402 close to the inner wall of the positioning plate 403 is rotatably connected to the inner wall of the positioning plate 403 through a bearing, and the side of the positioning plate 403 close to the clamping roller 3 is fixedly connected to the clamping roller 3.

[0027] In this embodiment: by setting the pipeline body 1, the arc clamping plate 2, the clamping roller 3, the adjustment component 4, the support frame 5, the transmission component 6, the fixing block 7, the electric telescopic rod 8, the fixing plate 9, the cutting machine 10 and the handle 11, when in use, the two arc clamping plates 2 are directly clamped at the appropriate position where the pipeline body 1 needs to be cut, and then the transmission component 6 is started, and the two arc clamping plates 2 are driven to move in opposite directions by the transmission component 6, and the arc clamping plate 2 drives the clamping roller 3 to move through the adjustment component 4, so that the clamping roller 3 contacts with the pipeline body 1, so that the pipeline body 1 is clamped in an arc shape by multiple clamping rollers 3, and then the electric telescopic rod 8 is started, and the electric telescopic rod 8 is driven by The fixing plate 9 moves the cutting machine 10 to the cutting point for cutting, and then the handle 11 can be held to move the support frame 5 in a circle around the pipe body 1 through the clamping roller 3, thereby driving the cutting machine 10 to move in a circle to cut the pipe body 1. A large space is left between the two arc-shaped clamping plates 2, so that the effect of directly clamping the pipe body 1 at the cutting position on the surface of the pipe body 1 is achieved, and there is no need to insert it from one end of the pipe body 1, which is more convenient. When cutting pipe bodies 1 of different thicknesses, the position of the clamping roller 3 can be adjusted by adjusting the component 4, so as to achieve the effect of facilitating the clamping, fixing and cutting of pipe bodies 1 of different thicknesses.

[0028] As a technical optimization scheme of the utility model, the transmission assembly 6 includes a forward and reverse motor 601, a bidirectional screw 602, a first transmission block 603 and a second transmission block 604. The top of the bidirectional screw 602 is fixedly connected to the output end of the forward and reverse motor 601, and the bottom of the bidirectional screw 602 passes through the bottom of the support frame 5. The inner walls of the first transmission block 603 and the second transmission block 604 are respectively connected to the surface of the bidirectional screw 602 by threads, and the first transmission block 603 and the second transmission block 604 are respectively fixedly connected to the arc clamping plate 2 on one side close to the arc clamping plate 2.

[0029] In this embodiment: by setting up a forward and reverse motor 601, the bidirectional screw 602 can be driven to rotate. By setting up the bidirectional screw 602, the first transmission block 603 and the second transmission block 604 can be driven to move in relative or opposite directions through the thread. By setting up the first transmission block 603 and the second transmission block 604, the two arc-shaped clamping plates 2 can be driven to move in relative or opposite directions respectively.

[0030] As a technical optimization solution of the utility model, a threaded hole 12 for use with the threaded rod 402 is opened on the side of the arc-shaped clamping plate 2 away from the pipe body 1, and the surface of the threaded rod 402 is connected to the inner wall of the threaded hole 12 by threads.

[0031] In this embodiment, the threaded hole 12 is provided so that the threaded rod 402 can move through the thread when it rotates, and the position of the threaded rod 402 can be positioned through the thread.

[0032] As a technical optimization solution of the utility model, the front side and the rear side of the positioning plate 403 away from the clamping roller 3 are fixedly connected to the limiting rod 13, and the side of the limiting rod 13 away from the positioning plate 403 passes through the arc-shaped clamping plate 2.

[0033] In this embodiment, by providing the limiting rod 13, the position of the positioning plate 403 can be limited so that the positioning plate 403 does not rotate.

[0034] As a technical optimization solution of the utility model, a limiting hole 14 used in conjunction with the limiting rod 13 is opened on one side of the arc-shaped clamping plate 2 close to the clamping roller 3, and the surface of the limiting rod 13 is slidably connected to the inner wall of the limiting hole 14.

[0035] In this embodiment, the limiting hole 14 is provided so that the limiting rod 13 can move when the positioning plate 403 moves.

[0036] As a technical optimization solution of the utility model, movable holes 15 for use with the bidirectional screw 602 are opened on the left side of the top and bottom of the support frame 5, and the top and bottom of the surface of the bidirectional screw 602 are respectively rotatably connected to the inner wall of the movable hole 15 through bearings.

[0037] In this embodiment, the movable hole 15 is provided so that the bidirectional screw 602 can be easily rotated through the bearing.

[0038] As a technical optimization solution of the utility model, a positioning rod 16 is fixedly connected to the right side of the top of the inner wall of the support frame 5, and the bottom of the positioning rod 16 passes through the first transmission block 603 and the second transmission block 604 in sequence and is fixedly connected to the right side of the bottom of the inner wall of the support frame 5.

[0039] In this embodiment, by providing the positioning rod 16, the positions of the first transmission block 603 and the second transmission block 604 can be limited so that the first transmission block 603 and the second transmission block 604 cannot rotate.

[0040] As a technical optimization solution of the utility model, the tops of the first transmission block 603 and the second transmission block 604 are both provided with positioning holes 17 used in conjunction with the positioning rod 16 , and the surface of the positioning rod 16 is slidably connected to the inner wall of the positioning hole 17 .

[0041] In this embodiment, the positioning hole 17 is provided so that the first transmission block 603 and the second transmission block 604 can slide on the surface of the positioning rod 16 .

[0042] Working principle: First, directly clamp the two arc-shaped clamping plates 2 at the appropriate position where the pipe body 1 needs to be cut, and then start the forward and reverse motor 601. The output end of the forward and reverse motor 601 drives the bidirectional screw 602 to rotate, and the first transmission block 603 and the second transmission block 604 are moved in opposite directions by the rotation of the bidirectional screw 602. The first transmission block 603 and the second transmission block 604 respectively drive the two arc-shaped clamping plates 2 to move in opposite directions. The arc-shaped clamping plates 2 drive the clamping rollers 3 to move through the threaded rods 402 and the positioning plates 403, so that the clamping rollers 3 contact the pipe body 1, thereby clamping the pipe body 1 in an arc shape through a plurality of clamping rollers 3, and then start the electric telescopic rod 8. The electric telescopic rod 8 moves the cutting machine 10 to the cutting point through the fixing plate 9 to perform cutting work. Then, the handle 11 can be held in hand, and the support frame 5 can be moved in a circle around the pipe body 1 through the clamping roller 3, thereby driving the cutting machine 10 to move in a circle to cut the pipe body 1. A large space is left between the two arc-shaped clamping plates 2, so that the effect of directly clamping the pipe body 1 at the position where the cutting is required on the surface of the pipe body 1 can be achieved. There is no need to insert it from one end of the pipe body 1, which is more convenient. When cutting pipe bodies 1 of different thicknesses, the handle 401 can be turned, and the handle 401 drives the threaded rod 402 to rotate and move through the thread. The threaded rod 402 drives the positioning plate 403 to move, and the positioning plate 403 drives the clamping roller 3 to move, and the position of the clamping roller 3 is adjusted, thereby achieving the effect of facilitating the clamping, fixing and cutting of pipe bodies 1 of different thicknesses.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pipe cutting device for boiler installation, comprising a pipe body (1), characterized in that: The top and bottom of the pipe body (1) are both provided with an arc-shaped clamping plate (2); a clamping roller (3) is provided on the side of the arc-shaped clamping plate (2) close to the pipe body (1); an adjusting component (4) is fixedly connected to the side of the clamping roller (3) away from the pipe body (1); a support frame (5) is provided on the right side of the pipe body (1); a transmission component (6) used in conjunction with the arc-shaped clamping plate (2) is provided on the left side of the support frame (5); a fixing block (7) is fixedly connected to the right side of the front side of the support frame (5); an electric telescopic rod (8) is fixedly connected to the front and rear sides of the left side of the fixing block (7); a fixing plate (9) is fixedly connected to the output end of the electric telescopic rod (8); a cutting machine (10) is fixedly connected to the left side of the fixing plate (9); and a handle (11) is fixedly connected to the right side of the rear side of the support frame (5); The adjustment assembly (4) comprises a turning handle (401), a threaded rod (402) and a positioning plate (403); the side of the threaded rod (402) close to the turning handle (401) is fixedly connected to the turning handle (401); the side of the threaded rod (402) away from the turning handle (401) passes through the arc-shaped clamping plate (2) and extends to the inner cavity of the positioning plate (403); the side of the surface of the threaded rod (402) close to the inner wall of the positioning plate (403) is rotatably connected to the inner wall of the positioning plate (403) via a bearing; the side of the positioning plate (403) close to the clamping roller (3) is fixedly connected to the clamping roller (3).

2. A boiler installation pipe cutting device according to claim 1, characterized in that: The transmission assembly (6) comprises a forward and reverse motor (601), a bidirectional screw (602), a first transmission block (603) and a second transmission block (604); the top of the bidirectional screw (602) is fixedly connected to the output end of the forward and reverse motor (601); the bottom of the bidirectional screw (602) passes through the bottom of the support frame (5); the inner walls of the first transmission block (603) and the second transmission block (604) are respectively connected to the surface of the bidirectional screw (602) by threads; the first transmission block (603) and the second transmission block (604) are respectively fixedly connected to the arc clamping plate (2) on one side close to the arc clamping plate (2).

3. A boiler installation pipe cutting device according to claim 1, characterized in that: A threaded hole (12) for use with a threaded rod (402) is provided on one side of the arc-shaped clamping plate (2) away from the pipe body (1), and the surface of the threaded rod (402) is connected to the inner wall of the threaded hole (12) via threads.

4. A boiler installation pipe cutting device according to claim 1, characterized in that: The front side and the rear side of the positioning plate (403) away from the clamping roller (3) are both fixedly connected to the limiting rod (13), and the side of the limiting rod (13) away from the positioning plate (403) passes through the arc-shaped clamping plate (2).

5. A boiler installation pipe cutting device according to claim 4, characterized in that: A limiting hole (14) for use with a limiting rod (13) is provided on one side of the arc-shaped clamping plate (2) close to the clamping roller (3); the surface of the limiting rod (13) is slidably connected to the inner wall of the limiting hole (14).

6. A boiler installation pipe cutting device according to claim 2, characterized in that: The left sides of the top and bottom of the support frame (5) are provided with movable holes (15) for use with the bidirectional screw (602), and the top and bottom of the surface of the bidirectional screw (602) are rotatably connected to the inner wall of the movable hole (15) through bearings.

7. A boiler installation pipe cutting device according to claim 2, characterized in that: A positioning rod (16) is fixedly connected to the right side of the top of the inner wall of the support frame (5), and the bottom of the positioning rod (16) passes through the first transmission block (603) and the second transmission block (604) in sequence and is fixedly connected to the right side of the bottom of the inner wall of the support frame (5).

8. A boiler installation pipe cutting device according to claim 7, characterized in that: The tops of the first transmission block (603) and the second transmission block (604) are both provided with positioning holes (17) for use with the positioning rod (16), and the surface of the positioning rod (16) is slidably connected to the inner wall of the positioning hole (17).

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