A pipeline anticorrosive mortar spraying device

Abstract

The utility model provides a kind of pipeline internal anticorrosive mortar spraying device, comprising: feed pipe, the fixed installation plate is equipped on the feed pipe, the fixed installation plate is equipped with the receiving pipe;Rotary tube, the rotary tube is coaxial with feed pipe, the rotary tube is communicated with feed pipe by swivel joint, the rotary tube is rotatably connected with receiving pipe by bearing, rotary tube is closed away from feed pipe one end, rotary tube side wall is equipped with discharge pipe;Connecting pipe, the one end of connection is detachably connected with discharge pipe, and the other end is detachably connected with mortar spray head;Positioning assembly, the positioning assembly is used to position feed pipe on the axis of pipeline.The utility model has the beneficial effects: compared with traditional manual spraying, mortar is sprayed by mortar pump through mortar spray head, work efficiency is improved, under the positioning effect of positioning assembly, the distance between mortar spray head and pipeline inner wall is more fixed compared with manual spraying, and spraying quality is improved.

Description

Technical Field

[0001] This utility model belongs to the field of anti-corrosion mortar spraying technology, and in particular relates to a device for spraying anti-corrosion mortar inside pipelines. Background Technology

[0002] Most underground drainage pipes are made of concrete or metal steel. However, as many operating drainage pipes age, they are prone to corrosion and even damage. Therefore, it is necessary to spray anti-corrosion mortar on the inside of the pipes. Currently, the spraying method involves manual application of a handheld nozzle to the inside of the pipe. This method has the following problems: First, manual work is inefficient, and the workers have high physical and mental exertion from crawling inside the pipe to spray. Second, with manual operation, it is difficult to control the distance between the nozzle and the inner wall of the pipe, resulting in inconsistent spray thickness and reduced spray quality. Utility Model Content

[0003] In view of this, the present invention aims to provide a pipe internal anti-corrosion mortar spraying device in order to solve at least one of the above-mentioned technical problems.

[0004] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0005] A pipe internal anti-corrosion mortar spraying device, comprising:

[0006] A conveying pipe, wherein an mounting plate is fixedly mounted on the conveying pipe, and a receiving pipe is fixedly mounted on the mounting plate;

[0007] A rotating tube is arranged coaxially with a conveying tube. The rotating tube is connected to the conveying tube through a rotary joint. The rotating tube is rotatably connected to a receiving tube through a bearing. The end of the rotating tube away from the conveying tube is closed. A discharge tube is provided on the side wall of the rotating tube.

[0008] The connecting pipe has one end detachably connected to the discharge pipe and the other end detachably connected to the mortar nozzle;

[0009] A positioning component for positioning the feed tube on the axis of the pipeline.

[0010] Furthermore, the connecting pipe comes in various models, with different models having different lengths, suitable for spraying anti-corrosion mortar on the inner side of pipes with different inner diameters.

[0011] Furthermore, there are multiple discharge pipes, all of which are connected to the inside of the rotating pipe. The multiple discharge pipes are evenly arranged along the axis of the rotating pipe, and each discharge pipe is connected to a corresponding connecting pipe and mortar nozzle.

[0012] Furthermore, a drive motor is fixedly mounted on the mounting plate, the output shaft of the drive motor is connected to the input end of the reducer, a drive gear is fixedly mounted on the output end of the reducer, and a driven gear is fixedly mounted on the rotating tube, with the drive gear meshing with the driven gear.

[0013] Furthermore, the positioning component includes a positioning plate, which is arranged along the length of the feed pipe. The positioning plate is provided with a plurality of rollers, which are rotatably connected to the positioning plate. The rollers protrude from the end face of the positioning plate away from the feed pipe.

[0014] The positioning plate is connected to the material conveying pipe via a connecting rod;

[0015] The number of positioning plates is multiple, and the multiple positioning plates are evenly arranged circumferentially along the conveying pipe.

[0016] Furthermore, the connecting rod includes a guide tube and a guide rod, the axis of the guide tube being perpendicular to the axis of the conveying tube, and the guide rod being movably connected to the inside of the guide tube;

[0017] The guide tube is connected to the feed tube via a connecting ring, and the guide rod is fixedly connected to the positioning plate.

[0018] Furthermore, the outer side of the conveying pipe is provided with two mounting rings, the connecting ring is located inside the two mounting rings, and the two mounting rings are respectively provided with diagonal braces. One end of the diagonal brace is hinged to one end of the positioning plate, and one end of the diagonal brace is hinged to one of the mounting rings.

[0019] The connecting ring is installed on the outside of the conveying pipe and is movably connected to the conveying pipe.

[0020] Furthermore, a first hinge plate is fixed on the side wall of the mounting ring, and a second hinge plate is fixed at both ends of the positioning plate. One end of the diagonal brace is hinged to the first hinge plate, and the other end is hinged to the second hinge plate.

[0021] The end of the diagonal brace away from the positioning plate is inclined toward the connecting ring.

[0022] Furthermore, the mounting ring adjacent to the rotating tube is fixedly connected to the conveying tube, and another mounting ring is installed on the outside of the conveying tube and is movably connected to the conveying tube;

[0023] The feed pipe has an external thread on its outer side, and two limiting rings are connected to the external thread of the feed pipe. The two limiting plates limit the two ends of the mounting ring that are away from the rotating pipe.

[0024] Furthermore, the mounting ring adjacent to the rotating tube is rotatably connected to the conveying tube, and the other mounting ring is threadedly connected to the conveying tube.

[0025] Compared with the prior art, the pipe internal anti-corrosion mortar spraying device of this utility model has the following beneficial effects:

[0026] The present invention discloses a pipeline internal anti-corrosion mortar spraying device. Compared with traditional manual spraying, the mortar is sprayed out through the mortar nozzle by the mud pump, which improves the work efficiency. Under the positioning function of the positioning component, the distance between the mortar nozzle and the inner wall of the pipeline is more fixed than that of manual spraying, thus improving the spraying quality. Attached Figure Description

[0027] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0028] Figure 1 This is a three-dimensional structural diagram of the device described in an embodiment of the present utility model;

[0029] Figure 2 This is a three-dimensional structural diagram of the material conveying pipe according to an embodiment of the present utility model;

[0030] Figure 3 This is a three-dimensional structural diagram of the rotating tube according to an embodiment of the present utility model;

[0031] Figure 4 This is a schematic diagram of the cross-sectional structure of the rotating tube according to an embodiment of the present invention;

[0032] Figure 5 This is a three-dimensional structural diagram of the guide tube according to an embodiment of the present utility model;

[0033] Figure 6 This is a three-dimensional structural diagram of the positioning plate described in an embodiment of the present utility model;

[0034] Figure 7 This is a schematic cross-sectional view of the device described in an embodiment of the present invention;

[0035] Figure 8 As described in the embodiments of this utility model Figure 7 Schematic diagram of the structure at point A in the middle;

[0036] Figure 9 As described in the embodiments of this utility model Figure 7 Schematic diagram of the structure at point B;

[0037] Figure 10 This is a side view of the device in use according to an embodiment of the present invention.

[0038] Explanation of reference numerals in the attached figures:

[0039] 1. Rotating pipe; 2. Conveying pipe; 3. Positioning plate; 4. Guide pipe; 5. Connecting pipe; 6. Mortar nozzle; 7. Rotary joint; 8. Limiting ring; 9. Mounting ring; 10. Diagonal brace; 101. Discharge pipe; 102. Driven gear; 401. Connecting ring; 901. First hinge plate; 201. Mounting plate; 202. Receiving pipe; 203. Motor; 204. Bearing; 301. Guide rod; 302. Roller; 303. Second hinge plate. Detailed Implementation

[0040] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0041] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, 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, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0042] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0043] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0044] like Figures 1 to 10As shown, a pipe internal anti-corrosion mortar spraying device includes: a conveying pipe 2, on which an mounting plate 201 is fixed, and on which a receiving pipe 202 is fixed; a rotating pipe 1, which is coaxially arranged with the conveying pipe 2, and is connected to the conveying pipe 2 through a rotary joint 7, and is rotatably connected to the receiving pipe 202 through a bearing 204, with the end of the rotating pipe 1 away from the conveying pipe 2 closed, and a discharge pipe 101 provided on the side wall of the rotating pipe 1; a connecting pipe 5, one end of which is detachably connected to the discharge pipe 101, and the other end of which is detachably connected to a mortar nozzle 6; and a positioning component, which is used to position the conveying pipe 2 on the axis of the pipe.

[0045] The positioning component can be a cylindrical frame whose outer diameter matches the inner diameter of the pipe.

[0046] The rotary joint 7 adopts, but is not limited to, the existing flange rotary joint 7. The inlet of the mortar pump is connected to the mortar tank. The outlet of the mortar pump is connected to the end of the conveying pipe 2 away from the rotary pipe 1 through a hose. The mortar pump adopts, but is not limited to, the existing mud pump.

[0047] There are various models of connecting pipe 5, with different lengths for each model. They are suitable for spraying anti-corrosion mortar on the inside of pipes with different inner diameters. By changing the connecting pipe 5 to different lengths, the distance between the nozzle and the inner wall of the pipe can be kept the same, thus ensuring the quality of the spraying.

[0048] There are multiple discharge pipes 101, all of which are connected to the inside of the rotating pipe 1. These pipes are evenly distributed along the axis of the rotating pipe 1, and each discharge pipe 101 is connected to a connecting pipe 5 and a mortar nozzle 6. In this embodiment, there are two discharge pipes 101. The mortar sprayed from the two nozzles has opposite forces, reducing the reaction force and thus reducing the load on the rotating pipe 1, thereby extending its service life.

[0049] A drive motor 203 is fixed on the mounting plate 201. The output shaft of the drive motor 203 is connected to the input end of the reducer. A drive gear is fixed on the output end of the reducer. A driven gear 102 is fixed on the rotating tube 1. The drive gear and the driven gear 102 mesh.

[0050] The positioning assembly includes a positioning plate 3, which is arranged along the length of the conveying pipe 2. Multiple rollers 302 are mounted on the positioning plate 3 and are rotatably connected to it. The rollers 302 protrude from the end face of the positioning plate 3 furthest from the conveying pipe 2. The positioning plate 3 is connected to the conveying pipe 2 via a connecting rod. There are multiple positioning plates 3, which are evenly arranged circumferentially along the conveying pipe 2. Specifically, there are three positioning plates 3.

[0051] In some embodiments, the connecting rod is a fixed rod, and the positioning plate 3 is fixedly connected to the conveying pipe 2 through the connecting rod.

[0052] In other embodiments, the connecting rod includes a guide tube 4 and a guide rod 301. The axis of the guide tube 4 is perpendicular to the axis of the conveying pipe 2, and the guide rod 301 is movably connected to the inner side of the guide tube 4. The guide tube 4 is connected to the conveying pipe 2 via a connecting ring 401, and the guide rod 301 is fixedly connected to the positioning plate 3. The length of the connecting rod can be adjusted by adjusting the relative position of the guide rod 301 and the guide tube 4 to suit pipes of different inner diameters. The guide rod 301 is locked to the guide tube 4 by bolts.

[0053] In other embodiments, two mounting rings 9 are provided on the outer side of the conveying pipe 2, and a connecting ring 401 is located inside the two mounting rings 9. The two mounting rings 9 are respectively provided with diagonal braces 10. One end of the diagonal brace 10 is hinged to one end of the positioning plate 3, and the other end of the diagonal brace 10 is hinged to one of the mounting rings 9. The connecting rod includes a guide tube 4 and a guide rod 301. The axis of the guide tube 4 is perpendicular to the axis of the conveying pipe 2. The guide rod 301 is movably connected to the inner side of the guide tube 4. The guide tube 4 is connected to the conveying pipe 2 through the connecting ring 401. The guide rod 301 is fixedly connected to the positioning plate 3. The connecting ring 401 is installed on the outer side of the conveying pipe 2 and is movably connected to the conveying pipe 2. A first hinge plate 901 is fixed to the side wall of the mounting ring 9, and second hinge plates 303 are fixed to both ends of the positioning plate 3. One end of the diagonal brace 10 is hinged to the first hinge plate 901, and the other end is hinged to the second hinge plate 303. The end of the diagonal brace 10 away from the positioning plate 3 is inclined towards the connecting ring 401, which reduces the length of the device and facilitates transportation. The diagonal brace 10 improves the stability of the positioning plate 3.

[0054] There are several ways to connect the mounting ring 9. First, the mounting ring 9 adjacent to the rotating pipe 1 is fixedly connected to the conveying pipe 2, and another mounting ring 9 is installed on the outside of the conveying pipe 2 and is movably connected to it. The conveying pipe 2 has external threads on its outside, and two limiting rings 8 are threaded onto these threads. These two limiting plates respectively limit the ends of the mounting ring 9 furthest from the rotating pipe 1. By adjusting the position of the mounting ring 9, the distance between the positioning plate 3 and the conveying pipe 2 can be adjusted, simplifying the adjustment process and improving work efficiency. Second, the mounting ring 9 adjacent to the rotating pipe 1 is rotatably connected to the conveying pipe 2, and another mounting ring 9 is threadedly connected to the conveying pipe 2.

[0055] Work process:

[0056] When implementing this solution, the distance between the positioning plate 3 and the conveying pipe 2 is adjusted according to the inner diameter of the pipe, so that the side walls of the rollers 302 of the three positioning plates 3 are all in contact with the inner wall of the pipe (e.g., Figure 10As shown), replace the corresponding length of the connecting pipe 5 so that the distance between the mortar nozzle 6 and the inner wall of the pipe is 10-20cm. Then, the mud pump draws anti-corrosion mortar from the mortar tank. The outlet of the mud pump is connected to the delivery pipe 2. The mortar is sprayed onto the inner wall of the pipe through the delivery pipe 2, rotary joint 7, rotating pipe 1, connecting pipe 5, and nozzle. At the same time, the entire device is moved to achieve continuous spraying. Compared with traditional manual spraying, the mortar is sprayed out through the mud pump and the mortar nozzle 6, which improves the work efficiency. Under the positioning effect of the positioning component, the distance between the mortar nozzle 6 and the inner wall of the pipe is more fixed than that of manual spraying, which improves the spraying quality.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

[0058] 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 device for spraying anti-corrosion mortar inside pipelines, characterized in that, include: A material conveying pipe (2) is provided with an installation plate (201) and a receiving pipe (202) is provided on the installation plate (201); Rotating pipe (1), the rotating pipe (1) is coaxially arranged with the conveying pipe (2), the rotating pipe (1) is connected to the conveying pipe (2) through a rotary joint (7), the rotating pipe (1) is rotatably connected to the receiving pipe (202) through a bearing (204), the end of the rotating pipe (1) away from the conveying pipe (2) is closed, and the side wall of the rotating pipe (1) is provided with a discharge pipe (101); The connecting pipe (5) is detachably connected at one end to the discharge pipe (101) and detachably connected at the other end to the mortar nozzle (6); A positioning component for positioning the feed pipe (2) on the axis of the pipe.

2. The pipe internal anti-corrosion mortar spraying device according to claim 1, characterized in that: There are various models of the connecting pipe (5), and the length of the connecting pipe (5) of different models is different, which is suitable for spraying anti-corrosion mortar on the inside of pipes with different inner diameters.

3. The pipe internal anti-corrosion mortar spraying device according to claim 1, characterized in that: The number of discharge pipes (101) is multiple, and all discharge pipes (101) are connected to the inside of the rotating pipe (1). The multiple discharge pipes are evenly arranged along the axis of the rotating pipe (1). Each discharge pipe (101) is connected to a corresponding connecting pipe (5) and mortar nozzle (6).

4. The pipe internal anti-corrosion mortar spraying device according to claim 1, characterized in that: A drive motor (203) is fixed on the mounting plate (201). The output shaft of the drive motor (203) is connected to the input end of the reducer. A drive gear is fixed on the output end of the reducer. A driven gear (102) is fixed on the rotating tube (1). The drive gear meshes with the driven gear (102).

5. The pipe internal anti-corrosion mortar spraying device according to claim 1, characterized in that: The positioning component includes a positioning plate (3), which is arranged along the length of the feed pipe (2). The positioning plate (3) is provided with a plurality of rollers (302), which are rotatably connected to the positioning plate (3). The rollers (302) protrude from the end face of the positioning plate (3) away from the feed pipe (2). The positioning plate (3) is connected to the conveying pipe (2) via a connecting rod; The number of positioning plates (3) is multiple, and the multiple positioning plates (3) are evenly arranged circumferentially along the conveying pipe (2).

6. The pipe internal anti-corrosion mortar spraying device according to claim 5, characterized in that: The connecting rod includes a guide tube (4) and a guide rod (301). The axis of the guide tube (4) is perpendicular to the axis of the conveying tube (2). The guide rod (301) is movably connected to the inside of the guide tube (4). The guide tube (4) is connected to the conveying tube (2) through the connecting ring (401), and the guide rod (301) is fixedly connected to the positioning plate (3).

7. The pipe internal anti-corrosion mortar spraying device according to claim 6, characterized in that: The material conveying pipe (2) is provided with two mounting rings (9) on the outside. The connecting ring (401) is located inside the two mounting rings (9). The two mounting rings (9) are respectively provided with diagonal braces (10). One end of the diagonal brace (10) is hinged to one end of the positioning plate (3), and one end of the diagonal brace (10) is hinged to one of the mounting rings (9). The connecting ring (401) is installed on the outside of the conveying pipe (2) and is movably connected to the conveying pipe (2).

8. The pipe internal anti-corrosion mortar spraying device according to claim 7, characterized in that: The mounting ring (9) has a first hinge plate (901) fixed on its side wall, and the positioning plate (3) has a second hinge plate (303) fixed at both ends. One end of the diagonal brace (10) is hinged to the first hinge plate (901), and the other end is hinged to the second hinge plate (303). The end of the diagonal brace (10) away from the positioning plate (3) is inclined toward the connecting ring (401).

9. The pipe internal anti-corrosion mortar spraying device according to claim 8, characterized in that: The mounting ring (9) near the rotating tube (1) is fixedly connected to the conveying tube (2), and another mounting ring (9) is installed on the outside of the conveying tube (2) and is movably connected to the conveying tube (2); The material conveying pipe (2) has an external thread on its outer side. Two limiting rings (8) are connected to the external thread of the material conveying pipe (2). The two limiting plates limit the two ends of the mounting ring (9) that are far away from the rotating pipe (1).

10. The pipe internal anti-corrosion mortar spraying device according to claim 8, characterized in that: The mounting ring (9) adjacent to the rotating tube (1) is rotatably connected to the conveying tube (2), and another mounting ring (9) is threadedly connected to the conveying tube (2).

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