Pipeline non-excavation repair coating structure

Abstract

The utility model discloses a pipeline non-excavation repair coating structure which comprises a liquid storage tank, a feeding port and a discharging port are formed in the top ends of the two sides of the liquid storage tank respectively, a cover plate is detachably installed at the position of an opening in the top end of the liquid storage tank, a vertical frame is fixedly installed at the bottom of the cover plate, a pressing roller is rotatably installed at the bottom end of the vertical frame, and the pressing roller is fixedly installed on the top end of the liquid storage tank. The cover plate is connected with a flat plate through a linear driving mechanism, and the flat plate is connected with a mounting seat through an elastic connecting mechanism; when the device is used, a lining hose penetrates into the liquid storage tank from the feeding hole, bypasses the lower part of the compression roller and penetrates through the space between the two scraping plates, then penetrates out of the discharging hole, and is pulled to continuously penetrate through the liquid storage tank, so that the surface of the lining hose can be coated with an adhesive in the liquid storage tank; and the two scraping plates can scrape off excessive adhesive on the surface of the lining hose before the lining hose penetrates out of the liquid storage tank, so that waste of the adhesive is reduced, operation is easy, and the using effect is good.

Description

Technical Field

[0001] This utility model relates to the field of pipeline repair technology, specifically a trenchless pipeline repair coating structure. Background Technology

[0002] Trenchless pipeline repair refers to the use of methods such as lining to improve the flow performance of old pipelines and repair structural damage, thereby extending their service life. This method is applicable to both pressure pipelines and gravity pipelines.

[0003] A search revealed that patent CN114658954B discloses an airbag device for trenchless pipeline repair. By setting a coating structure, the device has the function of applying adhesive material, so that the surface treatment is carried out simultaneously during the process of pulling out and sending into the pipeline to be repaired, thereby improving the adhesion of the repair lining to the inner wall of the pipeline and improving the repair quality.

[0004] Although the above solution can use structural components such as feed pipes and brush rollers to coat the adhesive material onto the surface of the inner lining pipe, the coating structure requires an external feed pump to operate, which has significant limitations and needs to be improved. Utility Model Content

[0005] The purpose of this invention is to provide a trenchless pipeline repair coating structure to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A trenchless pipeline repair coating structure includes a liquid storage tank. The tank has an inlet and an outlet at its top two sides, respectively. A cover plate is detachably installed at the top opening of the tank. A vertical frame is fixedly installed at the bottom of the cover plate, and a pressure roller is rotatably installed at the bottom of the vertical frame. A flat plate is connected to the cover plate via a linear drive mechanism. The flat plate is connected to a mounting base via an elastic connection mechanism. The mounting base is located inside the liquid storage tank. A crossbeam is fixedly installed inside the tank below the mounting base. Scrapers are bolted to the outer wall of the crossbeam and the bottom of the mounting base. A support plate is fixedly installed on the outer wall of the liquid storage tank at the corresponding position of the inlet. A guiding mechanism for guiding the inner lining hose is installed between the cover plate and the support plate.

[0008] As a further embodiment of this utility model, the contact ends of the scraper and the inner lining hose are each provided with several grooves.

[0009] As a further embodiment of this utility model: the top of the cover plate is provided with a threaded hole, the linear drive mechanism includes a screw rod that passes through and is installed in the threaded hole, the top end of the screw rod is fixedly connected to a handwheel, and the bottom end of the screw rod is rotatably connected to the plate through a bearing seat.

[0010] As a further embodiment of this utility model: multiple guide rods are slidably passed through the cover plate and the flat plate together, and the bottom end of each guide rod is fixedly connected to the top of the mounting base. The elastic connection mechanism includes several springs located between the flat plate and the mounting base. The springs are sleeved on the corresponding guide rods, and the guide rods are fixedly provided with limiting pins on the outer wall above the flat plate.

[0011] As a further embodiment of this utility model: the material guiding mechanism includes two guide rollers rotatably mounted at both ends of the top of the pallet, and a limiting roller is rotatably mounted at the bottom of the cover plate corresponding to the guide rollers. The outer walls of the guide rollers and the pressure rollers are provided with annular grooves adapted to the inner lining hose. The length of the limiting roller is adapted to the length of the annular groove, and the bottom of the limiting roller is located in the corresponding annular groove.

[0012] As a further embodiment of this utility model: two brushes are symmetrically arranged between the tray and the cover plate, the inner lining hose passes through the two brushes, and the bristles of the brushes contact the outer wall of the inner lining hose. Connecting seats are fixedly installed at the bottom of the cover plate and the top of the tray plate. Insert blocks are fixedly installed on the outer wall of the brushes, and slots adapted to the insert blocks are provided on the connecting seats.

[0013] As a further embodiment of this utility model: a drain pipe is fixedly connected to the bottom of the outer wall of the liquid storage tank, a valve is installed on the drain pipe, and an injection pipe is installed through the top of the cover plate.

[0014] As a further embodiment of this utility model: the liquid storage tank is fixedly installed on the base, and a bracket for unwinding the inner lining hose is fixedly installed on the base.

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

[0016] In use, the inner lining hose is inserted into the storage tank through the feed port, passes under the pressure roller, and then passes between two scrapers before exiting through the discharge port. The hose is then pulled continuously through the storage tank to coat the surface of the inner lining hose with adhesive. The two scrapers remove excess adhesive from the inner lining hose before it exits the tank, reducing waste. The process is simple and effective. Attached Figure Description

[0017] Figure 1This is a schematic diagram of a trenchless pipeline repair coating structure.

[0018] Figure 2 This is a schematic diagram of the liquid storage tank in a trenchless pipeline repair coating structure.

[0019] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0020] Figure 4 This is a schematic diagram of a limiting pin in a trenchless pipeline repair coating structure.

[0021] Figure 5 for Figure 2 Enlarged view of point B in the middle.

[0022] The components include: 1. Storage tank; 2. Drain pipe; 3. Valve; 4. Cover plate; 5. Injection pipe; 6. Feed inlet; 7. Discharge outlet; 8. Vertical frame; 9. Pressure roller; 10. Crossbeam; 11. Mounting base; 12. Scraper; 13. Groove; 14. Screw; 15. Handwheel; 16. Flat plate; 17. Guide rod; 18. Spring; 19. Limiting pin; 20. Support plate; 21. Guide roller; 22. Annular groove; 23. Limiting roller; 24. Connecting seat; 25. Brush; 26. Insert block; 27. Inner lining hose; 28. Base; and 29. Bracket. Detailed Implementation

[0023] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0024] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0025] It should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation in the specification, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

[0027] Please see Figures 1-5 In this embodiment of the present invention, a trenchless pipe repair coating structure includes a storage tank 1 for storing adhesive. The storage tank 1 has an inlet 6 and an outlet 7 at its top two sides, respectively. A cover plate 4 is detachably installed at the top opening of the storage tank 1 via a snap fastener. A vertical frame 8 is fixedly installed at the bottom of the cover plate 4, and a pressure roller 9 is rotatably installed at the bottom end of the vertical frame 8. The pressure roller 9 is located below the adhesive liquid level inside the storage tank 1. The cover plate 4 is connected to a linear drive mechanism... A plate 16 is attached, and the plate 16 is connected to a mounting base 11 via an elastic connection mechanism. The mounting base 11 is located inside the liquid storage tank 1. A crossbeam 10 is fixedly installed inside the liquid storage tank 1 below the mounting base 11. Scrapers 12 are bolted to the outer wall of the crossbeam 10 and the bottom of the mounting base 11. A support plate 20 is fixedly installed on the outer wall of the liquid storage tank 1 at the corresponding position of the feed inlet 6. A guiding mechanism for guiding the inner lining hose 27 is installed between the cover plate 4 and the support plate 20.

[0028] By adopting the above-described scheme, this utility model allows the inner lining hose 27 to be inserted into the liquid storage tank 1 through the feed port 6, passed under the pressure roller 9, and then passed between the two scrapers 12 before exiting through the discharge port 7. The inner lining hose 27 is then continuously pulled through the liquid storage tank 1, thus applying the adhesive from the liquid storage tank 1 to the surface of the inner lining hose 27. Furthermore, the two scrapers 12 can scrape off excess adhesive from the surface of the inner lining hose 27 before it exits the liquid storage tank 1, reducing adhesive waste. The operation is simple and the effect is good.

[0029] Specific combination Figure 3 and Figure 4 In one embodiment of the present invention, the contact ends of the scraper 12 and the inner lining hose 27 are provided with a plurality of grooves 13. By setting the grooves 13, it is possible to avoid scraping off a large amount of adhesive on the surface of the inner lining hose 27 when the contact between the scraper 12 and the inner lining hose 27 is too tight.

[0030] Specific combination Figure 3 and Figure 4 In one embodiment of the present invention, the top of the cover plate 4 is provided with a threaded hole, the linear drive mechanism includes a screw 14 that passes through and is installed in the threaded hole, the top end of the screw 14 is fixedly connected to a handwheel 15, and the bottom end of the screw 14 is rotatably connected to the plate 16 through a bearing seat.

[0031] Furthermore, multiple guide rods 17 are slidably passed through the cover plate 4 and the plate 16. The bottom end of each guide rod 17 is fixedly connected to the top of the mounting base 11. The elastic connection mechanism includes several springs 18 located between the plate 16 and the mounting base 11. The springs 18 are sleeved on the corresponding guide rods 17. A limiting pin 19 is fixedly passed through the outer wall of the guide rod 17 above the plate 16.

[0032] By employing the aforementioned linear drive mechanism and elastic connection mechanism, this utility model allows the inner lining hose 27 to pass between the two scrapers 12. By rotating the screw 14 through the handwheel 15, the plate 16 can be driven to move downwards, causing the scraper 12 at the bottom of the mounting base 11 to press against the upper surface of the inner lining hose 27. As the plate 16 continues to descend, it can compress the spring 18, thereby adjusting the clamping force applied by the two scrapers 12 to the inner lining hose 27 using the elasticity of the spring 18, thus adjusting the amount of adhesive scraped off the surface of the inner lining hose 27.

[0033] Specific combination Figure 2 and Figure 5 In one embodiment of the present invention, the material guiding mechanism includes two guide rollers 21 rotatably mounted at both ends of the top of the pallet 20. A limiting roller 23 is rotatably mounted on the bottom of the cover plate 4 at the corresponding position of the guide rollers 21. The outer walls of the guide rollers 21 and the pressure rollers 9 are provided with annular grooves 22 that are adapted to the inner lining hose 27. The length of the limiting roller 23 is adapted to the length of the annular groove 22, and the bottom of the limiting roller 23 is located in the corresponding annular groove 22.

[0034] The annular groove 22 can limit the inner lining hose 27 on the surface of the guide roller 21 and the pressure roller 9. The limiting roller 23 can prevent the inner lining hose 27 from detaching from the annular groove 22 on the surface of the guide roller 21.

[0035] Specific combination Figure 5 Based on the previous embodiment, two brushes 25 are symmetrically arranged between the tray 20 and the cover plate 4. The inner lining hose 27 passes through the two brushes 25, and the bristles of the brushes 25 are in contact with the outer wall of the inner lining hose 27. Connecting seats 24 are fixedly installed at the bottom of the cover plate 4 and the top of the tray 20. Insert blocks 26 are fixedly installed on the outer wall of the brushes 25. The connecting seats 24 are provided with slots that are compatible with the insert blocks 26.

[0036] By setting the brush 25, the surface of the inner lining hose 27 can be cleaned before it enters the liquid storage tank 1, so as to reduce the dust and other substances carried on the surface of the inner lining hose 27, thereby improving the adhesion of the adhesive to the surface of the inner lining hose 27.

[0037] Specific combination Figure 2 In one embodiment of this utility model, a drain pipe 2 is fixedly connected to the bottom of the outer wall of the liquid storage tank 1, and a valve 3 is installed on the drain pipe 2. The drain pipe 2 and the valve 3 facilitate the discharge of the remaining adhesive in the liquid storage tank 1. An injection pipe 5 is installed through the top of the cover plate 4 to facilitate the replenishment of adhesive in the liquid storage tank 1. In addition, in order to facilitate the observation of the remaining amount of adhesive in the liquid storage tank 1, a transparent observation window can be provided on the surface of the liquid storage tank 1.

[0038] Specific combination Figure 1 In one embodiment of the present invention, the liquid storage tank 1 is fixedly installed on the base 28, and the base 28 is fixedly installed with a bracket 29 for unwinding the inner lining hose 27.

[0039] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A trenchless pipeline repair coating structure, characterized in that: The system includes a liquid storage tank (1), with an inlet (6) and an outlet (7) respectively located at the top of both sides. A cover plate (4) is detachably installed at the top opening of the liquid storage tank (1). A vertical frame (8) is fixedly installed at the bottom of the cover plate (4). A pressure roller (9) is rotatably installed at the bottom of the vertical frame (8). A flat plate (16) is connected to the cover plate (4) via a linear drive mechanism. The flat plate (16) is connected to a mounting base (11) via an elastic connection mechanism. The mounting base (11) is located inside the liquid storage tank (1). A crossbeam (10) is fixedly installed inside the liquid storage tank (1) below the mounting base (11). Scrapers (12) are bolted to the outer wall of the crossbeam (10) and the bottom of the mounting base (11). A support plate (20) is fixedly installed on the outer wall of the liquid storage tank (1) at the corresponding position of the feed inlet (6). A guide mechanism for guiding the inner lining hose (27) is installed between the cover plate (4) and the support plate (20).

2. The trenchless pipeline repair coating structure according to claim 1, characterized in that: The contact ends of the scraper (12) and the inner lining hose (27) are each provided with a number of grooves (13).

3. The trenchless pipeline repair coating structure according to claim 1, characterized in that: The top of the cover plate (4) is provided with a threaded hole. The linear drive mechanism includes a screw (14) that passes through and is installed in the threaded hole. A handwheel (15) is fixedly connected to the top of the screw (14). The bottom of the screw (14) is rotatably connected to the plate (16) through a bearing seat.

4. The trenchless pipeline repair coating structure according to claim 1, characterized in that: Multiple guide rods (17) are slidably passed through the cover plate (4) and the plate (16). The bottom end of each guide rod (17) is fixedly connected to the top of the mounting base (11). The elastic connection mechanism includes several springs (18) located between the plate (16) and the mounting base (11). The springs (18) are sleeved on the corresponding guide rods (17). The guide rods (17) are fixedly provided with limiting pins (19) on the outer wall above the plate (16).

5. The trenchless pipeline repair coating structure according to claim 1, characterized in that: The material guiding mechanism includes two guide rollers (21) rotatably mounted at both ends of the top of the pallet (20). A limiting roller (23) is rotatably mounted at the bottom of the cover plate (4) and at the corresponding position of the guide roller (21). The outer walls of the guide roller (21) and the pressure roller (9) are provided with annular grooves (22) that are adapted to the inner lining hose (27). The length of the limiting roller (23) is adapted to the length of the annular groove (22), and the bottom of the limiting roller (23) is located in the corresponding annular groove (22).

6. The trenchless pipeline repair coating structure according to claim 1, characterized in that: Two brushes (25) are symmetrically arranged between the tray (20) and the cover plate (4). The inner lining hose (27) passes between the two brushes (25), and the bristles of the brushes (25) are in contact with the outer wall of the inner lining hose (27). The bottom of the cover plate (4) and the top of the tray (20) are both fixedly installed with connecting seats (24). The outer wall of the brushes (25) is fixedly installed with inserts (26). The connecting seats (24) are provided with slots that are compatible with the inserts (26).

7. The trenchless pipeline repair coating structure according to claim 1, characterized in that: The bottom of the outer wall of the storage tank (1) is fixedly connected to a drain pipe (2), a valve (3) is installed on the drain pipe (2), and an injection pipe (5) is installed through the top of the cover plate (4).

8. The trenchless pipeline repair coating structure according to claim 1, characterized in that: The liquid storage tank (1) is fixedly installed on the base (28), and a bracket (29) for unwinding the inner lining hose (27) is fixedly installed on the base (28).

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