A spraying device for processing PCCP pipes that can uniformly spray coating.

Abstract

This utility model discloses a spraying device for processing PCCP pipes that can uniformly spray coating, including an operating table. A mounting frame is provided at the top of the operating table, and a synchronous centering clamping mechanism is provided within the mounting frame. Symmetrically arranged mounting pipes are located at the top of the operating table and on both sides of the mounting frame. Beneficial effects: When spraying rust inhibitor onto the steel cylinder inside a steel-concrete power pipeline, the linkage component drives the two sets of mounting pipes to move synchronously, thereby improving spraying efficiency. Dividing the overall mounting pipe into two sets reduces weight and prevents skewness. The synchronous centering clamping mechanism can center and clamp steel cylinders of different diameters inside steel-concrete power pipelines, preventing misalignment between the cylinder's axis and the mounting pipe, which would affect the uniformity of the spraying.

Description

Technical Field

[0001] This utility model relates to the field of spraying device technology, and more specifically, to a spraying device for processing PCCP pipes that can uniformly spray coating. Background Technology

[0002] Prestressed concrete cylinder pipe (PCCP) is a water pipe made by winding circumferential prestressed steel wires around a high-strength concrete core with a steel cylinder, and then spraying a dense cement mortar protective layer on top. It is a composite pipe composed of thin steel plates, high-strength steel wires, and concrete, fully and comprehensively utilizing the tensile strength and sealing properties of steel and the compressive strength and corrosion resistance of concrete, resulting in high sealing performance, high strength, and high impermeability. Currently, when PCCP is used as a sewage pipe, sewage easily penetrates the concrete, causing the inner wall of the steel cylinder to rust. Therefore, it is necessary to spray rust inhibitors onto the inner wall of the steel cylinder using a spraying device. However, existing spraying devices cannot ensure that the nozzle is positioned at the axis of the steel cylinder, thus affecting the uniformity of the coating on the inner wall of the steel cylinder.

[0003] According to Chinese Patent CN202021049119.5, a spraying device for processing power pipes that can uniformly spray coating is disclosed. This application uses a movable head that compresses a telescopic rod, compressing a first spring. A sliding rod is then inserted into a connecting plate. The movable head is equipped with ball bearings for easy rolling connection between the ball bearings and the power pipe. Moving the sliding seat moves the power pipe on it, causing the inner circle of the power pipe to roll with the ball bearings. The movable rod moves, ensuring the nozzle is aligned with the centerline of the power pipe. Upon returning to its original position, the nozzle sprays coating onto the inside of the power pipe at a uniform speed, achieving uniform coating. Existing spraying devices for processing power pipes cannot ensure alignment between the nozzle and the axis of the steel cylinder in prestressed concrete cylinders of varying diameters, thus affecting the uniformity of the coating.

[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0005] In view of the problems in the related technologies, this utility model proposes a spraying device for PCCP pipe processing that can uniformly spray coating, so as to overcome the above-mentioned technical problems existing in the existing related technologies.

[0006] Therefore, the specific technical solution adopted by this utility model is as follows:

[0007] A spraying device for processing PCCP pipes capable of uniform spraying includes an operating table. A mounting frame is located at the top of the operating table, and a synchronous centering clamping mechanism is provided within the mounting frame. Symmetrically arranged mounting pipes are located at the top of the operating table and on both sides of the mounting frame. Two sets of mounting pipes are connected to the operating table via a linkage assembly. An annular pipe is located on the side of each mounting pipe closest to the mounting frame, and this annular pipe is connected to the mounting pipe via a connecting pipe. A plurality of evenly distributed nozzles are provided on the outer wall of the annular pipe. The linkage assembly includes a stroke groove formed in the operating table, in which a horizontally arranged lead screw is located. Symmetrically arranged movable frames, matching the stroke groove, are fitted onto the outer wall of the lead screw. The tops of both sets of movable frames extend outside the operating table and are respectively connected to the two sets of mounting pipes. Symmetrically arranged spraying machines are located on one side of the operating table, and both sets of spraying machines are connected to the two sets of mounting pipes via conveying hoses.

[0008] Preferably, the lead screw is connected to the operating table via a bearing, and one side of the lead screw extends outside the operating table and is connected to the servo motor drive end.

[0009] Preferably, both sets of the movable frames are provided with threaded holes that match the lead screw, and the thread directions of the two sets of threaded holes are opposite.

[0010] Preferably, the synchronous centering clamping mechanism includes symmetrically arranged sliding columns in the mounting frame, each sliding column having a guide block at both ends. The mounting frame has a guide rod passing through the guide block. A clamping frame is symmetrically arranged between the two sets of sliding columns. The two sets of clamping frames are connected to the two sets of sliding columns respectively through connecting columns. The mounting frame has symmetrically arranged rotating plates, each rotating plate being connected to the mounting frame through a connecting shaft. Each rotating plate is connected to the two sets of sliding columns respectively through a connecting plate.

[0011] Preferably, a hydraulic cylinder is provided on one side of the mounting bracket, and the movable end of the hydraulic cylinder extends into the mounting bracket and is connected to a set of sliding columns.

[0012] Preferably, both sets of connecting plates are connected to the rotating plate via connecting shaft two, and both sets of connecting plates are connected to the two sets of sliding columns via connecting shaft three.

[0013] The beneficial effects of this utility model are as follows: When spraying rust inhibitor on the steel cylinder inside a steel-concrete power pipeline, the spraying efficiency is improved by setting up a linkage component to drive the two sets of installation pipes to move synchronously. At the same time, dividing the overall installation pipe into two sets of installation pipes can reduce weight and prevent the installation pipes from becoming skewed. By setting up a synchronous centering clamping mechanism, the steel cylinders inside steel-concrete power pipelines of different thicknesses can be centered and clamped to prevent the steel cylinder axis from being misaligned with the installation pipe, thus affecting the uniformity of spraying. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall structure of a spraying device for processing PCCP pipes that can uniformly spray coating, according to an embodiment of the present utility model.

[0016] Figure 2 yes Figure 1 A magnified view of a portion of point A in the middle;

[0017] Figure 3 This is a cross-sectional view of the operating table in a spraying device for processing PCCP pipes that can uniformly spray coating according to an embodiment of the present utility model.

[0018] Figure 4 This is a schematic diagram of the mounting bracket in a spraying device for processing PCCP pipes that can uniformly spray coating according to an embodiment of the present utility model.

[0019] Figure 5 This is a side view of the mounting bracket in a spraying device for processing PCCP pipes that can uniformly spray coating according to an embodiment of the present utility model.

[0020] In the picture:

[0021] 1. Operating table; 2. Mounting frame; 3. Servo motor; 4. Mounting pipe; 5. Ring pipe; 6. Connecting pipe; 7. Spray nozzle; 8. Stroke groove; 9. Lead screw; 10. Moving frame; 11. Sprayer; 12. Delivery hose; 13. Threaded hole; 14. Sliding column; 15. Guide block; 16. Guide rod; 17. Clamping frame; 18. Connecting column; 19. Rotating plate; 20. Connecting shaft one; 21. Connecting plate; 22. Connecting shaft two; 23. Connecting shaft three; 24. Hydraulic cylinder. Detailed Implementation

[0022] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0023] According to an embodiment of the present invention, a spraying device for processing PCCP pipes that can uniformly spray coating is provided.

[0024] Example 1;

[0025] like Figure 1-5 As shown, the spraying device for processing power pipes that can uniformly spray coating according to an embodiment of the present invention includes an operating table 1. A mounting frame 2 is provided at the top of the operating table 1. A synchronous centering clamping mechanism is provided in the mounting frame 2. Symmetrically arranged mounting pipes 4 are provided at the top of the operating table 1 and on both sides of the mounting frame 2. Two sets of mounting pipes 4 are connected to the operating table 1 via a linkage assembly. An annular pipe 5 is provided on the side of each mounting pipe 4 near the mounting frame 2. The annular pipe 5 is connected to the mounting pipe 4 via a connecting pipe 6. The outer wall is provided with several evenly distributed nozzles 7. The linkage component includes a stroke groove 8 opened in the operating table 1. A horizontally arranged lead screw 9 is provided in the stroke groove 8. The outer wall of the lead screw 9 is fitted with symmetrically arranged movable frames 10 that match the stroke groove 8. The tops of the two sets of movable frames 10 extend to the outside of the operating table 1 and are respectively connected to the two sets of mounting pipes 4. A symmetrically arranged sprayer 11 is provided on one side of the operating table 1. The two sets of sprayers 11 are respectively connected to the two sets of mounting pipes 4 through conveying hoses 12.

[0026] Example 2;

[0027] like Figure 1-5As shown, the system includes an operating table 1, with a mounting frame 2 at its top. The mounting frame 2 contains a synchronous centering clamping mechanism. Symmetrically arranged mounting tubes 4 are located at the top of the operating table 1 and on both sides of the mounting frame 2. Two sets of mounting tubes 4 are connected to the operating table 1 via a linkage assembly. An annular tube 5 is located on the side of each mounting tube 4 closest to the mounting frame 2. The annular tube 5 is connected to the mounting tube 4 via a connecting pipe 6. Several evenly distributed nozzles 7 are provided on the outer wall of the annular tube 5. The linkage assembly includes a stroke groove 8 formed in the operating table 1. A horizontally arranged lead screw 9 is located in the stroke groove 8. Symmetrically arranged movable frames 10, matching the stroke groove 8, are fitted on the outer wall of the lead screw 9. The tops of both sets of movable frames 10 extend outside the operating table 1 and are respectively connected to the two sets of mounting tubes 4. A symmetrically arranged sprayer 11 is located on one side of the operating table 1. Both sets of sprayers 11 are connected to the two sets of mounting tubes 4 via conveying hoses 12. The lead screw 9 is connected to the operating table 1 via a bearing, and one side of the lead screw 9 extends outside the operating table 1 and is connected to the drive end of the servo motor 3. Both sets of the moving frames 10 are provided with threaded holes 13 that match the lead screw 9, and the thread directions of the two sets of threaded holes 13 are opposite. When spraying the steel cylinder inside a steel-concrete power pipeline, the steel cylinder is placed in the mounting frame 2 and fixed by a synchronous centering clamping mechanism. Then, the servo motor 3 is started to drive the lead screw 9 to rotate. The lead screw 9 drives two sets of moving frames 10 to move close together. The two sets of moving frames 10 drive two sets of mounting pipes 4 to move close together. The mounting pipes 4 drive the annular pipe 5 to move into the inside of the steel cylinder inside the steel-concrete power pipeline. At this time, the spraying machine 11 is started to deliver the paint to the mounting pipes 4 through the delivery hose 12. The mounting pipes 4 deliver the paint to the annular pipe 5 and then spray it onto the inner wall of the power pipeline through the nozzle 7. By setting up a linkage component to drive the two sets of mounting pipes to move synchronously, the spraying efficiency is improved. At the same time, dividing the overall mounting pipe into two sets of mounting pipes can reduce the weight and prevent the mounting pipes from tilting.

[0028] Example 3;

[0029] like Figure 1-5As shown, the system includes an operating table 1, with a mounting frame 2 at its top. The mounting frame 2 contains a synchronous centering clamping mechanism. Symmetrically arranged mounting tubes 4 are located at the top of the operating table 1 and on both sides of the mounting frame 2. Two sets of mounting tubes 4 are connected to the operating table 1 via a linkage assembly. An annular tube 5 is located on the side of each mounting tube 4 closest to the mounting frame 2. The annular tube 5 is connected to the mounting tube 4 via a connecting pipe 6. Several evenly distributed nozzles 7 are provided on the outer wall of the annular tube 5. The linkage assembly includes a stroke groove 8 formed in the operating table 1. A horizontally arranged lead screw 9 is located in the stroke groove 8. Symmetrically arranged movable frames 10, matching the stroke groove 8, are fitted on the outer wall of the lead screw 9. The tops of both sets of movable frames 10 extend outside the operating table 1 and are respectively connected to the two sets of mounting tubes 4. A symmetrically arranged sprayer 11 is located on one side of the operating table 1. Both sets of sprayers 11 are connected to the two sets of mounting tubes 4 via conveying hoses 12. The synchronous centering clamping mechanism includes symmetrically arranged sliding columns 14 in the mounting frame 2. Each sliding column 14 has guide blocks 15 at both ends. The mounting frame 2 has guide rods 16 penetrating the guide blocks 15. A clamping frame 17 is symmetrically arranged between the two sets of sliding columns 14. The two sets of clamping frames 17 are connected to the two sets of sliding columns 14 respectively via connecting columns 18. The mounting frame 2 has symmetrically arranged rotating plates 19. The rotating plates 19 are connected to the mounting frame 2 via connecting shaft 20. Each rotating plate 19 is connected to the two sets of sliding columns 14 respectively via connecting plates 21. A hydraulic cylinder 24 is provided on one side of the mounting frame 2. The movable end of the hydraulic cylinder 24 extends into the mounting frame 2 and is connected to one set of sliding columns 14. Both sets of connecting plates 21 are connected to the rotating plates 19 via connecting shaft 22, and both sets of connecting plates 21 are connected to the two sets of sliding columns 14 respectively via connecting shaft 23. When fixing the steel cylinder inside the steel-concrete power duct, the steel cylinder is placed between two sets of clamping frames 17. The hydraulic cylinder 24 is activated to move one set of sliding columns 14. The sliding columns 14 drive the rotating plate 19 to rotate through a set of connecting plates 21. The rotating plate 19 drives the other set of sliding columns 14 to move through another set of connecting plates 21, so that the two sets of sliding columns 14 move synchronously. The two sets of sliding columns 14 drive the two sets of clamping frames 17 to move synchronously and close to each other until the steel cylinder inside the steel-concrete power duct is clamped and fixed. By setting a synchronous centering clamping mechanism, the steel cylinders inside steel-concrete power ducts of different thicknesses can be centered and clamped to prevent the steel cylinder axis from being misaligned with the installation pipe, which would affect the uniformity of spraying.

[0030] In practical applications, when spraying the steel cylinder inside a steel-concrete power pipeline, the steel cylinder is placed in the mounting frame 2 and fixed by a synchronous centering clamping mechanism. Then, the servo motor 3 is started, driving the lead screw 9 to rotate. The lead screw 9 drives two sets of moving frames 10 to move close together, and the two sets of moving frames 10 respectively drive two sets of mounting pipes 4 to move close together. The mounting pipes 4 drive the annular pipe 5 to move into the inside of the steel cylinder inside the steel-concrete power pipeline. At this time, the spraying machine 11 is started, and the paint is delivered to the mounting pipes 4 through the delivery hose 12. The mounting pipes 4 deliver the paint to the annular pipe 5, and then it is sprayed onto the inner wall of the steel cylinder inside the steel-concrete power pipeline through the nozzle 7. By setting up a linkage component to drive the two sets of mounting pipes to move synchronously, the spraying efficiency is improved. At the same time, dividing the overall mounting pipe into two sets of mounting pipes reduces weight. To prevent the installation pipe from becoming crooked, when fixing the steel cylinder inside the steel cylinder concrete power pipeline, the steel cylinder inside the steel cylinder concrete power pipeline is placed between two sets of clamping frames 17. The hydraulic cylinder 24 is activated to drive one set of sliding columns 14 to move. The sliding columns 14 drive the rotating plate 19 to rotate through a set of connecting plates 21. The rotating plate 19 drives the other set of sliding columns 14 to move through another set of connecting plates 21, so that the two sets of sliding columns 14 move synchronously. The two sets of sliding columns 14 drive the two sets of clamping frames 17 to move synchronously and close to each other until the steel cylinder inside the steel cylinder concrete power pipeline is clamped and fixed. By setting a synchronous centering clamping mechanism, the steel cylinders inside steel cylinder concrete power pipelines of different thicknesses can be centered and clamped to prevent the steel cylinder axis from being misaligned with the installation pipe, which would affect the uniformity of spraying.

[0031] In summary, by utilizing the above-mentioned technical solution of this utility model, when spraying rust inhibitor onto the steel cylinder inside a steel-concrete power pipeline, the spraying efficiency is improved by setting up a linkage component to drive the two sets of installation pipes to move synchronously. At the same time, dividing the overall installation pipe into two sets of installation pipes can reduce weight and prevent the installation pipes from becoming skewed. By setting up a synchronous centering clamping mechanism, the steel cylinders inside steel-concrete power pipelines of different thicknesses can be centered and clamped to prevent the power pipeline axis from being misaligned with the installation pipe, thereby affecting the uniformity of spraying.

[0032] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A spraying device for PCCP pipe processing that can be uniformly sprayed, characterized by, The system includes an operating table (1), a mounting frame (2) at the top of the operating table (1), a synchronous centering clamping mechanism in the mounting frame (2), symmetrically arranged mounting tubes (4) at the top of the operating table (1) and on both sides of the mounting frame (2), two sets of mounting tubes (4) connected to the operating table (1) via a linkage assembly, an annular tube (5) on the side of the mounting tube (4) near the mounting frame (2), the annular tube (5) connected to the mounting tube (4) via a connecting tube (6), and a plurality of evenly distributed nozzles (7) on the outer wall of the annular tube (5). The linkage component includes a stroke groove (8) in the operating table (1), a horizontally arranged lead screw (9) in the stroke groove (8), and a symmetrically arranged movable frame (10) that matches the stroke groove (8) on the outer wall of the lead screw (9). The tops of the two sets of movable frames (10) extend to the outside of the operating table (1) and are respectively connected to the two sets of mounting pipes (4). A symmetrically arranged sprayer (11) is provided on one side of the operating table (1), and the two sets of sprayers (11) are respectively connected to the two sets of mounting pipes (4) through a conveying hose (12).

2. The spraying device for PCCP pipe processing that can be uniformly sprayed according to claim 1, characterized in that, The lead screw (9) is connected to the operating table (1) via a bearing, and one side of the lead screw (9) extends outside the operating table (1) and is connected to the drive end of the servo motor (3).

3. The spraying device for PCCP pipe processing that can be uniformly sprayed according to claim 1, characterized in that, Both sets of the movable frames (10) are provided with threaded holes (13) that match the lead screw (9), and the thread directions of the two sets of threaded holes (13) are opposite.

4. The spraying device for PCCP pipe processing that can be uniformly sprayed according to claim 1, characterized in that, The synchronous centering clamping mechanism includes symmetrically arranged sliding columns (14) in the mounting frame (2), each sliding column (14) having guide blocks (15) at both ends, and a guide rod (16) passing through the guide block (15) in the mounting frame (2). A clamping frame (17) is symmetrically arranged between the two sets of sliding columns (14), and the two sets of clamping frames (17) are connected to the two sets of sliding columns (14) respectively through connecting columns (18). The mounting frame (2) has symmetrically arranged rotating plates (19), which are connected to the mounting frame (2) through connecting shaft (20). Each rotating plate (19) is connected to the two sets of sliding columns (14) respectively through connecting plates (21).

5. The spraying device for PCCP pipe processing that can be uniformly sprayed according to claim 4, characterized in that, A hydraulic cylinder (24) is provided on one side of the mounting bracket (2), and the movable end of the hydraulic cylinder (24) extends into the mounting bracket (2) and is connected to a set of sliding columns (14).

6. The spraying device for PCCP pipe processing that can be uniformly sprayed according to claim 4, characterized in that, Both sets of connecting plates (21) are connected to the rotating plate (19) via connecting shaft two (22), and both sets of connecting plates (21) are connected to the two sets of sliding columns (14) via connecting shaft three (23).

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