Automatic rotating tool for spraying inner wall of pipeline

Abstract

The utility model discloses an automatic rotating tool for pipeline inner wall spraying, and relates to the field of pipeline inner wall spraying. The automatic rotating tool for spraying comprises a spraying unit, an adjusting unit is arranged on one side of the spraying unit and connected with the spraying unit, the spraying unit comprises a rotating pipe and a motor, the rotating pipe is fixedly connected to the output end of the motor, the motor is connected with the adjusting unit, and the adjusting unit comprises a threaded rod, a sliding rod and a plurality of folding assemblies. One end of the threaded rod is connected with the motor, the sliding rod is slidably connected to the threaded rod, and the folding assembly is connected with the sliding rod. According to the automatic rotating tool for spraying, a sliding rod moves on a threaded rod to drive a hinged support on the sliding rod to move, then a first connecting rod and a second connecting rod are driven to rotate, the distance between a plurality of pulleys and the threaded rod is changed, then the device can adapt to pipelines with different inner diameters, spraying operation on the inner walls of the pipelines with the different inner diameters is achieved, and the spraying efficiency is improved. The flexibility of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline inner wall spraying, in particular to an automatic rotating tool for pipeline inner wall spraying. Background Art

[0002] A pipeline is a device connected by pipes, pipe connectors, and valves for transporting gases, liquids, or fluids containing solid particles. Pipes have a wide range of uses, primarily in water supply and drainage, heating and gas supply, long-distance transportation of oil and natural gas, agricultural irrigation, hydraulic engineering, and various industrial installations.

[0003] In some pipeline processing processes, due to the nature of the conveying material, the inner wall of the pipeline needs to be sprayed to protect the pipeline. The inner wall spraying of the pipeline requires the use of a pipeline inner wall spraying tool. Its basic working method is: the pipeline inner wall spraying tool is placed in the pipeline, and pulleys are set in multiple directions of the tool so that the entire tool can move in the pipeline for spraying.

[0004] The distance between the multiple pulleys and the center of the existing pipe inner wall spraying tooling is fixed, that is, the moving radius is fixed and cannot be adjusted. It can only spray the inner diameter of pipes of one size. The scope of use is single and the flexibility is poor. For pipes with different inner diameters, the corresponding pipe inner wall spraying tooling needs to be replaced, which is not only complicated and inefficient, but also increases the processing cost. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides an automatic rotating tool for spraying the inner wall of a pipe, which solves the problem that the distance between multiple pulleys and the center of the tool on some pipe inner wall spraying tools is fixed, that is, the moving radius is fixed and cannot be adjusted, and only the inner diameter of pipes of one size can be sprayed, the scope of use is single, and the flexibility is poor.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: an automatic rotary tool for spraying the inner wall of a pipeline, comprising a spraying unit, a regulating unit is provided on one side of the spraying unit, and the regulating unit is connected to the spraying unit;

[0007] The spraying unit includes a rotating tube and a motor, wherein the rotating tube is fixedly connected to the output end of the motor, and the motor is connected to the adjustment unit;

[0008] The adjusting unit includes a threaded rod, a sliding rod and a plurality of folding components. One end of the threaded rod is connected to the motor. The sliding rod is slidably connected to the threaded rod. The folding components are connected to the sliding rod.

[0009] Preferably, the spraying unit further includes a connecting sleeve and a material receiving pipe, one end of the connecting sleeve is fixedly connected to the motor, and the other end is rotatably connected to the rotating tube, and the material receiving pipe is fixedly connected to the bottom of the connecting sleeve.

[0010] Preferably, nozzles are provided at both ends of the rotating tube.

[0011] Preferably, the adjustment unit further includes a nut and a fixed block, the nut is threadedly connected to the threaded rod, and the nut is rotationally connected to the sliding rod, the fixed block is fixedly connected to the tail end of the threaded rod, and the fixed block is fixedly connected to the motor.

[0012] Preferably, the folding assembly includes multiple hinges, a first connecting rod, a second connecting rod and multiple pulleys, the multiple hinges are respectively fixedly connected to the sliding rod and the fixed block, one end of the first connecting rod is rotatably connected to the hinge of the fixed block, one end of the second connecting rod is rotatably connected to the hinge of the sliding rod, and the multiple pulleys are respectively arranged at the other ends of the first connecting rod and the second connecting rod.

[0013] Preferably, a rotating shaft is provided at the connection between the first connecting rod and the second connecting rod.

[0014] The utility model discloses an automatic rotating tool for spraying the inner wall of a pipe, which has the following beneficial effects: the sliding rod moves on the threaded rod, thereby driving the hinge seat on the sliding rod to move, and then driving the first connecting rod and the second connecting rod to rotate, thereby changing the distance between multiple pulleys and the threaded rod, so that the device can adapt to pipes with different inner diameters, realize spraying operations on the inner walls of pipes with different inner diameters, and improve the flexibility of the device; by rotating the nut to move on the threaded rod, thereby driving the sliding rod to move on the threaded rod, and then adjusting the folding component, and then adjusting the moving radius of the tool, the adjustment operation is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. 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 any creative work.

[0016] Figure 1 This is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the spray unit structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the regulating unit of the utility model.

[0019] In the figure: 1. Spraying unit; 11. Rotating tube; 111. Spray head; 12. Connecting sleeve; 13. Material receiving pipe; 14. Motor; 2. Adjusting unit; 21. Threaded rod; 22. Nut; 23. Sliding rod; 24. Fixed block; 25. Folding assembly; 251. Hinge seat; 252. First connecting rod; 253. Second connecting rod; 254. Pulley. DETAILED DESCRIPTION

[0020] In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation methods.

[0021] The embodiment of the utility model discloses an automatic rotating tool for spraying the inner wall of a pipeline.

[0022] According to the attached Figure 1-3 As shown, it includes a spraying unit 1, an adjusting unit 2 is provided on one side of the spraying unit 1, the adjusting unit 2 is connected to the spraying unit 1, the spraying unit 1 includes a rotating tube 11 and a motor 14, the rotating tube 11 is fixedly connected to the output end of the motor 14, and the motor 14 is connected to the adjusting unit 2.

[0023] Specifically disclosed, the adjustment unit 2 includes a threaded rod 21 , a slide rod 23 and a plurality of folding components 25 , one end of the threaded rod 21 is connected to the motor 14 , the slide rod 23 is slidably connected to the threaded rod 21 , and the folding components 25 are connected to the slide rod 23 .

[0024] Furthermore, the spraying unit 1 also includes a connecting sleeve 12 and a material receiving pipe 13. One end of the connecting sleeve 12 is fixedly connected to the motor 14, and the other end is rotatably connected to the rotating tube 11. The material receiving pipe 13 is fixedly connected to the bottom of the connecting sleeve 12, and the rotating tube 11 connects the connecting sleeve 12 and the material receiving pipe 13.

[0025] Furthermore, nozzles 111 are provided at both ends of the rotating tube 11. By providing the nozzles 111, the spraying material is sprayed out from the nozzles 111 during the rotation of the rotating tube 11, thereby completing the rotary spraying.

[0026] Furthermore, the adjusting unit 2 also includes a nut 22 and a fixing block 24. The nut 22 is threadedly connected to the threaded rod 21, and the nut 22 is rotatably connected to the slide rod 23. The fixing block 24 is fixedly connected to the tail end of the threaded rod 21, and the fixing block 24 is fixedly connected to the motor 14. By rotating the nut 22 to move on the threaded rod 21, the slide rod 23 is driven to move on the threaded rod 21, and the folding component 25 is adjusted, thereby realizing the spraying operation on the inner wall of pipes with different inner diameters, thereby improving the flexibility of the device.

[0027] Specifically disclosed, the folding assembly 25 includes multiple hinges 251, a first connecting rod 252, a second connecting rod 253 and multiple pulleys 254, and the multiple hinges 251 are respectively fixedly connected to the sliding rod 23 and the fixed block 24, one end of the first connecting rod 252 is rotatably connected to the hinge 251 of the fixed block 24, and one end of the second connecting rod 253 is rotatably connected to the hinge 251 of the sliding rod 23, and multiple pulleys 254 are respectively arranged on the other ends of the first connecting rod 252 and the second connecting rod 253, and the pulley 254 rolls on the inner wall of the pipe, driving the entire device to move on the inner wall of the pipe, and moving the sliding rod 23 on the threaded rod 21, driving the hinge 251 on the sliding rod 23 to move, thereby driving the first connecting rod 252 and the second connecting rod 253 to rotate, thereby changing the distance between the multiple pulleys 254 and the threaded rod 21, so that the device can adapt to pipes with different inner diameters.

[0028] Furthermore, a rotating shaft is provided at the connection between the first connecting rod 252 and the second connecting rod 253, and the first connecting rod 252 and the second connecting rod 253 rotate around the rotating shaft.

[0029] Working principle: First, adjust the moving radius of the automatic rotary spraying tooling according to the inner diameter of the pipeline. First, rotate the nut 22 to make the nut 22 move on the threaded rod 21, and then drive the slide rod 23 to move on the threaded rod 21, and then drive the hinge seat 251 on the slide rod 23 to move, and then drive the first connecting rod 252 and the second connecting rod 253 to rotate and expand or contract, and then drive multiple pulleys 254 to move outward or inward, so that the moving radius of the tooling is adjusted to the appropriate size, and then place the automatic rotary spraying tooling in the pipeline, connect the feeding pipe and the receiving pipe 13, turn on the motor 14 to drive the rotating tube 11 to rotate, and the paint is sprayed out from the nozzle 111, and then manually move the front end of the threaded rod 21 to make the automatic rotary spraying tooling move in the pipeline to complete the spraying work on the inner wall of the pipeline.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. An automatic rotary tool for spraying the inner wall of a pipeline, comprising a spraying unit (1), characterized in that: An adjustment unit (2) is provided on one side of the spraying unit (1), and the adjustment unit (2) is connected to the spraying unit (1); The spraying unit (1) comprises a rotating tube (11) and a motor (14), wherein the rotating tube (11) is fixedly connected to an output end of the motor (14), and the motor (14) is connected to the regulating unit (2); The adjustment unit (2) comprises a threaded rod (21), a sliding rod (23) and a plurality of folding assemblies (25); one end of the threaded rod (21) is connected to the motor (14); the sliding rod (23) is slidably connected to the threaded rod (21); and the folding assemblies (25) are connected to the sliding rod (23).

2. The automatic rotating tool for spraying inner wall of a pipeline according to claim 1 is characterized in that: The spraying unit (1) further comprises a connecting sleeve (12) and a material receiving pipe (13), one end of the connecting sleeve (12) is fixedly connected to the motor (14), and the other end is rotatably connected to the rotating pipe (11), and the material receiving pipe (13) is fixedly connected to the bottom of the connecting sleeve (12).

3. The automatic rotating tool for spraying inner wall of a pipeline according to claim 1 is characterized in that: Spray nozzles (111) are provided at both ends of the rotating tube (11).

4. The automatic rotating tool for spraying inner wall of a pipeline according to claim 1, characterized in that: The adjusting unit (2) further comprises a nut (22) and a fixing block (24), wherein the nut (22) is threadedly connected to the threaded rod (21), and the nut (22) is rotationally connected to the slide rod (23), and the fixing block (24) is fixedly connected to the tail end of the threaded rod (21), and the fixing block (24) is fixedly connected to the motor (14).

5. The automatic rotating tool for spraying inner wall of a pipeline according to claim 1 is characterized in that: The folding assembly (25) includes a plurality of hinges (251), a first connecting rod (252), a second connecting rod (253) and a plurality of pulleys (254). The plurality of hinges (251) are fixedly connected to the slide rod (23) and the fixed block (24), respectively. One end of the first connecting rod (252) is rotatably connected to the hinge (251) of the fixed block (24), and one end of the second connecting rod (253) is rotatably connected to the hinge (251) of the slide rod (23). The plurality of pulleys (254) are respectively arranged at the other ends of the first connecting rod (252) and the second connecting rod (253).

6. The automatic rotating tool for spraying inner wall of a pipeline according to claim 5, characterized in that: A rotating shaft is provided at the connection between the first connecting rod (252) and the second connecting rod (253).

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