High-pressure water jet equipment for removing obstacles of concrete structure in pipeline

Abstract

The utility model provides high-pressure water jet equipment for removing obstacles of a concrete structure in a pipeline, and belongs to the technical field of pipeline cleaning equipment. The high-pressure water jet equipment comprises a driving machine box and a positioning machine box, one end of the driving machine box is fixedly connected with a connecting frame, the other end of the connecting frame is fixedly connected with the positioning machine box, and a washing mechanism is arranged at one end of the positioning machine box. The position of the extension arm can be driven to be changed through the arrangement of the electric rotating disc, so that the flushing tank is driven to move, and concrete structure obstacles in a pipeline are flushed and swept through the flushing spray head fixedly connected to the bottom end of the flushing tank; the direction of the flushing tank can be adjusted under the counter-acting force generated by liquid outlet of the flushing nozzle at the bottom end of the flushing tank, so that the flushing tank swings back and forth, the flushing direction of the flushing nozzle is adjusted, and the flushing strength and efficiency in a pipeline are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline cleaning equipment, in particular to a high-pressure water jet device used for clearing obstacles of concrete structures in pipelines. Background Art

[0002] High-pressure water jet equipment is also called pipe unblocking equipment. It uses the strong pressure generated by high-pressure water flow to flush out blocked pipes. Its main components include oil tanks, high-pressure pumps, hydraulic systems, etc. High-pressure water jet equipment is mainly used to clear silt, dirt, and dirt in urban sewers and pipes. It can also be used to clean industrial drainage pipes, walls, etc., and clean roads and square floors.

[0003] Some pipelines are inconvenient to dig, and manual cleaning of pipelines has certain safety hazards. A high-pressure water jet device that can enter the pipeline for fixed-point clearance is needed to complete the clearance operation of concrete structures in the pipeline. However, the existing high-pressure water jet equipment that is movable in the pipeline is difficult to quickly position and guide according to the size of the pipeline. The flushing point is easily offset during work, affecting the clearance effect and flushing efficiency of the inner wall of the pipeline. Therefore, the present application provides a high-pressure water jet device for clearing concrete structures in pipelines to meet the needs. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a high-pressure water jet device for clearing obstacles of concrete structures in pipelines, so as to solve the problem that the existing high-pressure water jet device that is movable in pipelines is difficult to quickly position and guide according to the size of the pipeline, and the flushing point is easily offset during operation, which affects the clearing effect and flushing efficiency of the inner wall of the pipeline.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A high-pressure water jet device for clearing obstacles in concrete structures in pipelines, comprising a driving box and a positioning box, one end of the driving box being fixedly connected to a connecting frame, the other end of the connecting frame being fixedly connected to the positioning box, one end of the positioning box being provided with a flushing mechanism, the flushing mechanism being used for flushing and cleaning the inner wall of the pipeline, the outer wall of the positioning box being provided with a positioning guide mechanism, the positioning guide mechanism being used for positioning and guiding the positioning box, the top and bottom ends of the driving box being provided with driving mechanisms, the driving mechanism being used for driving the driving box to move.

[0007] Optionally, the flushing mechanism includes an electric turntable fixedly connected to one end of the positioning machine box, the outer wall of the electric turntable rotating disk is fixedly connected to an extension arm, the outer wall of the extension arm is fixedly connected to a mounting bracket, the bottom end of the mounting bracket is movably connected to a diverter, the bottom end of the diverter is fixedly connected to a flushing tank, and the bottom end of the flushing tank is fixedly connected to a flushing nozzle.

[0008] Optionally, one end of the extension arm is fixedly connected to a support frame, the support frame is located on one side of the flushing tank, the outer wall of the support frame is fixedly connected to a protective pad, the mounting bracket is L-shaped, the extension arm and the mounting bracket are an integrated structure, the interior of the positioning machine box is fixedly connected to a connecting tube sleeve, one end of the connecting tube sleeve is fixedly connected to a liquid supply hose, and one end of the liquid supply hose is interconnected with the interior of the flushing tank.

[0009] Optionally, the positioning guide mechanism includes a plurality of groups of electric telescopic rods fixedly connected to the outer wall of the positioning machine box, and one end of the plurality of groups of electric telescopic rods is fixedly connected to a guide wheel.

[0010] Optionally, the driving mechanism includes an electric telescopic frame fixedly connected to the outer wall of the driving machine box, the top of the telescopic rod of the electric telescopic frame is connected to a positioning slider through a rotating shaft, the outer wall of the driving machine box is connected to a support arm through a spring rotating shaft, a sliding groove is opened on the surface of the support arm, the top of the positioning slider is slidably installed in the sliding groove through a sliding buckle, one end of the support arm is fixedly connected to a roller frame, one side of the roller frame is fixedly connected to a driving motor, one end of the driving shaft of the driving motor is fixedly connected to a roller, and the roller is located inside the roller frame.

[0011] Optionally, a protective shell cover is fixedly connected to the top of the mounting bracket, and a number one camera is fixedly connected inside the protective shell cover.

[0012] Optionally, a plurality of groups of LED lamp beads are fixedly connected to one end of the positioning machine box, and the plurality of groups of LED lamp beads are distributed in a circle with the electric turntable as the center.

[0013] Optionally, a second camera is fixedly connected to one end of the electric turntable, and the second camera is a wide-angle camera.

[0014] Optionally, the driving machine box and the positioning machine box are both provided with wiring hole grooves inside, and the wiring hole grooves are fixedly connected with rubber tubes inside.

[0015] Optionally, the roller is a vacuum rubber roller, and an anti-skid groove is provided on the surface.

[0016] Compared with the prior art, the utility model has at least the following beneficial effects:

[0017] In the above scheme, the setting of the electric turntable can drive the change of the position of the extension arm, thereby driving the displacement of the flushing tank, and utilizing the flushing nozzle fixedly connected to the bottom of the flushing tank to flush the concrete structure obstacles in the pipeline. The steering gear movably connected to the bottom of the mounting bracket can adjust the direction of the flushing tank under the reaction force generated by the liquid discharge from the flushing nozzle, so that the flushing tank can swing back and forth, thereby adjusting the flushing direction of the flushing nozzle, thereby improving the flushing intensity and efficiency of the pipeline.

[0018] By arranging a positioning guide mechanism on the outer wall of the positioning machine box, the positioning machine box can be guided and positioned to avoid the reaction force generated by the flushing mechanism during the flushing process causing the positioning machine box to shake and affecting the flushing effect.

[0019] By arranging driving mechanisms at the top and bottom of the driving machine box, the driving machine box and the positioning machine box can be pushed to move along the pipeline to complete the obstacle clearing operation of the entire pipeline.

[0020] At the same time, the flushing tank can be abutted by the supporting frame fixedly connected to one end of the extension arm, so as to avoid the flushing tank from rotating too much and affecting the flushing effect. At the same time, the protective cushion fixedly connected to the outer wall of the supporting frame can prevent the flushing tank from directly hitting the supporting frame, causing wear of the flushing tank and affecting its service life. The integrated extension arm and mounting bracket have high structural strength and are not easy to deform. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the present invention and enable those skilled in the relevant art to make and use the present invention.

[0022] Figure 1 A schematic diagram of the first-person perspective of a high-pressure water jet device used for clearing concrete structures in pipelines;

[0023] Figure 2 A schematic diagram of the stereoscopic structure of a high-pressure water jet device used for clearing obstacles in concrete structures in pipelines from a second perspective;

[0024] Figure 3 It is a schematic diagram of the three-dimensional structure of the drive box;

[0025] Figure 4 It is a schematic diagram of the three-dimensional structure of the flushing mechanism from the first perspective;

[0026] Figure 5 This is a schematic diagram of the three-dimensional structure of the brush mechanism from the second perspective.

[0027] [Reference Signs]

[0028] 1. Driving machine box; 2. Positioning machine box; 3. Connecting frame; 4. Flushing mechanism; 5. Positioning guide mechanism; 6. Driving mechanism; 7. Electric turntable; 8. Extension arm; 9. Mounting bracket; 10. Steering gear; 11. Flushing tank; 12. Flushing nozzle; 13. Abutment frame; 14. Protective cushion; 15. Protective shell cover; 16. Camera No. 1; 17. Pipe sleeve; 18. Electric telescopic frame; 19. Support arm; 20. Positioning slider; 21. Sliding groove; 22. Roller frame; 23. Driving motor; 24. Roller; 25. Liquid supply hose; 26. LED lamp beads; 27. Camera No. 2; 28. Wiring hole slot; 29. ​​Electric telescopic rod; 30. Guide wheel.

[0029] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0030] The following is a detailed description of a high-pressure water jet device for clearing concrete structures in pipelines provided by the utility model in combination with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternative methods to implement some known technologies; and the accompanying drawings are only for a more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0031] It should be noted that the references to "one embodiment", "embodiment", "exemplary embodiments", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0032] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0033] It is to be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” not only means “directly on” something, but also includes the meaning of being “on” something with intervening features or layers, and “on” or “above” not only means “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers.

[0034] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0035] like Figure 1 and Figure 2 As shown, an embodiment of the utility model provides a high-pressure water jet device for clearing obstacles in concrete structures in pipelines, including a driving machine box 1 and a positioning machine box 2, one end of the driving machine box 1 is fixedly connected to a connecting frame 3, the other end of the connecting frame 3 is fixedly connected to the positioning machine box 2, one end of the positioning machine box 2 is provided with a flushing mechanism 4, the flushing mechanism 4 is used to flush and clean the inner wall of the pipeline, the outer wall of the positioning machine box 2 is provided with a positioning guide mechanism 5, the positioning guide mechanism 5 is used to position and guide the positioning machine box 2, the top and bottom ends of the driving machine box 1 are provided with a driving mechanism 6, the driving mechanism 6 is used to drive the driving machine box 1 to move.

[0036] The flushing mechanism 4 at one end of the positioning machine box 2 can flush the concrete structure of the inner wall of the pipeline. At the same time, the outer wall of the positioning machine box 2 is provided with a positioning guide mechanism 5, which can guide and position the positioning machine box 2 to avoid the reaction force generated by the flushing mechanism 4 during the flushing process causing the positioning machine box 2 to shake and affect the flushing effect. The driving mechanism 6 is provided at the top and bottom ends of the driving machine box 1, which can push the driving machine box 1 and the positioning machine box 2 to move along the pipeline to complete the obstacle clearing operation of the entire pipeline.

[0037] like Figures 1 to 4As shown, the flushing mechanism 4 includes an electric turntable 7 fixedly connected to one end of the positioning machine box 2, an extension arm 8 is fixedly connected to the outer wall of the rotating disk of the electric turntable 7, an installation bracket 9 is fixedly connected to the outer wall of the extension arm 8, a steering gear 10 is movably connected to the bottom end of the installation bracket 9, a flushing tank 11 is fixedly connected to the bottom end of the steering gear 10, and a flushing nozzle 12 is fixedly connected to the bottom end of the flushing tank 11. The setting of the electric turntable 7 can drive the change of the position of the extension arm 8, thereby driving the displacement of the flushing tank 11, and the flushing nozzle 12 fixedly connected to the bottom end of the flushing tank 11 is used to flush the concrete structure obstacles in the pipeline. The steering gear 10 movably connected to the bottom end of the installation bracket 9 can adjust the direction of the flushing tank 11 under the reaction force generated by the liquid discharge of the flushing nozzle 12, so that the flushing tank 11 swings back and forth, thereby adjusting the flushing direction of the flushing nozzle 12, thereby improving the flushing intensity and efficiency of the pipeline.

[0038] like Figures 1 to 5 As shown, one end of the extension arm 8 is fixedly connected to a support frame 13, the support frame 13 is located on one side of the flushing tank 11, a protective cushion 14 is fixedly connected to the outer wall of the support frame 13, the mounting bracket 9 is L-shaped, the extension arm 8 and the mounting bracket 9 are an integral structure, the driving machine box 1 and the positioning machine box 2 are fixedly connected to a connecting tube sleeve 17, one end of the connecting tube sleeve 17 is fixedly connected to a liquid supply hose 25, and one end of the liquid supply hose 25 is interconnected with the inside of the flushing tank 11. The support frame 13 fixedly connected at one end of the extension arm 8 can be used to abut against the flushing tank 11, thereby preventing the flushing tank 11 from rotating too much and affecting the flushing effect. At the same time, the protective cushion 14 fixedly connected to the outer wall of the support frame 13 can prevent the flushing tank 11 from directly hitting the support frame 13, causing wear of the flushing tank 11 and affecting the service life. The extension arm 8 and the mounting bracket 9 with an integral structure have high structural strength and are not easy to deform.

[0039] like Figures 1 to 4 As shown, the positioning guide mechanism 5 includes a plurality of electric telescopic rods 29 fixedly connected to the outer wall of the positioning machine box 2, and one end of the plurality of electric telescopic rods 29 is fixedly connected to a guide wheel 30. The position of the guide wheel 30 can be adjusted through the plurality of electric telescopic rods 29 on the outer wall of the positioning machine box 2, so that the guide wheel 30 is against the inner wall of the pipeline to support and position the entire positioning machine box 2. The setting of the guide wheel 30 enables the positioning machine box 2 to move forward and backward along the pipeline, and at the same time can prevent the positioning machine box 2 from rotating during the flushing process of the pipeline.

[0040] like Figures 1 to 4As shown, the driving mechanism 6 includes an electric telescopic frame 18 fixedly connected to the outer wall of the driving machine box 1, the top of the telescopic rod of the electric telescopic frame 18 is connected to a positioning slider 20 through a rotating shaft, the outer wall of the driving machine box 1 is connected to a support arm 19 through a spring rotating shaft, and a sliding groove 21 is provided on the bottom surface of the support arm 19. The top of the positioning slider 20 is slidably installed in the sliding groove 21 through a slider, and one end of the support arm 19 is fixedly connected to a roller frame 22, and one side of the roller frame 22 is fixedly connected to a driving motor 23, and one end of the driving shaft of the driving motor 23 is fixedly connected to a roller 24, and the roller 24 is located inside the roller frame 22. The electric telescopic frame 18 can drive the positioning slider 20 to move along the sliding groove 21 by telescoping, thereby changing the angle of the support arm 19, so that the roller 24 at one end of the support arm 19 abuts against the inner wall of the pipeline, and the roller 24 is driven to rotate by the driving motor 23, so that the entire device moves along the pipeline.

[0041] like Figures 1 to 4 As shown, a protective shell cover 15 is fixedly connected to the top of the mounting bracket 9, and a camera No. 1 16 is fixedly connected inside the protective shell cover 15. Through the camera No. 1 16 fixedly connected inside the protective shell cover 15, the position on the inner wall of the pipe that needs to be flushed can be photographed, so that the operator can understand whether the flushing point is clean.

[0042] like Figures 1 to 4 As shown, one end of the positioning box 2 is fixedly connected to multiple groups of LED lamp beads 26, and the multiple groups of LED lamp beads 26 are distributed in a circle with the electric turntable 7 as the center. One end of the electric turntable 7 is fixedly connected to a second camera 27, and the second camera 27 is a wide-angle camera, which can increase the range of shooting inside the pipeline and facilitate confirmation of the cleaning position. The multiple groups of LED lamp beads 26 fixedly connected at one end of the positioning box 2 can play the role of auxiliary lighting, which is convenient for assisting the first camera 16 and the second camera 27 to shoot the internal situation of the pipeline.

[0043] like Figures 1 to 4 As shown, the driving machine box 1 and the positioning machine box 2 are both provided with wiring hole slots 28, and the wiring hole slots 28 are fixedly connected with rubber tubes. Through the wiring hole slots 28 provided inside the driving machine box 1 and the positioning machine box 2, it is convenient to connect in series the control and power supply lines of the electronic mechanisms in the entire device.

[0044] The working principle of the utility model is:

[0045] The liquid supply hose 25 is connected to the pipe sleeve 17 fixedly connected to the inside of the positioning machine box 2, and the control harness and the power supply harness are connected to the electronic mechanism in the entire device through the wiring hole grooves 28 opened in the driving machine box 1 and the positioning machine box 2. Then, according to the size of the pipeline, the multiple groups of electric telescopic rods 29 on the outer wall of the positioning machine box 2 are adjusted, and the position of the guide wheel 30 is changed so that the guide wheel 30 is against the inner wall of the pipeline to support and position the entire positioning machine box 2. The setting of the guide wheel 30 enables the positioning machine box 2 to move forward and backward along the pipeline, and at the same time, it can avoid the rotation of the positioning machine box 2 during the flushing process of the pipeline. The electric telescopic frame 18 can drive the positioning slider 20 to move along the sliding groove 21 by telescoping, thereby changing the angle of the support arm 19, so that the roller 24 at one end of the support arm 19 is against the inner wall of the pipeline, and the roller 24 is driven to rotate by the driving motor 23, so that the entire device moves along the pipeline.

[0046] During the movement of the equipment, the No. 1 camera 16 fixedly connected inside the protective shell 15 can be used to shoot the position on the inner wall of the pipeline that needs to be flushed, so that the operator can understand whether the flushing point is clean. The No. 2 camera 27, which is a wide-angle camera, can increase the range of shooting inside the pipeline, and facilitate confirmation of the cleaning position. The multiple groups of LED lamp beads 26 fixedly connected at one end of the positioning machine box 2 can play the role of auxiliary lighting, which is convenient for assisting the No. 1 camera 16 and the No. 2 camera 27 to shoot the internal situation of the pipeline. When the flushing position is determined, the water supply equipment is turned on, and the flushing liquid passes through the liquid supply The hose 25 is transported to the flushing tank 11, and then the flushing nozzle 12 is pressurized and sprayed out to flush the inner wall of the pipeline. The setting of the electric turntable 7 can drive the extension arm 8 to change the position, thereby driving the flushing tank 11 to move. The flushing nozzle 12 fixedly connected to the bottom end of the flushing tank 11 is used to flush the concrete structure obstacles in the pipeline. The steering gear 10 movably connected to the bottom end of the mounting bracket 9 can adjust the direction of the flushing tank 11 under the reaction force generated by the liquid discharge from the flushing nozzle 12, so that the flushing tank 11 swings back and forth, thereby adjusting the flushing direction of the flushing nozzle 12, thereby improving the flushing intensity and efficiency of the pipeline.

[0047] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the preferred embodiment of the present invention, and the present invention can be fully understood by those skilled in the art without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0048] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A high-pressure water jet device for clearing obstacles in concrete structures in pipelines, characterized in that: It includes a driving machine box and a positioning machine box, one end of the driving machine box is fixedly connected to a connection frame, the other end of the connection frame is fixedly connected to the positioning machine box, and one end of the positioning machine box is provided with a flushing mechanism, which is used to flush and clean the inner wall of the pipeline; The outer wall of the positioning machine box is provided with a positioning guide mechanism, and the positioning guide mechanism is used to position and guide the positioning machine box; The top and bottom ends of the driving machine box are both provided with driving mechanisms, and the driving mechanisms are used to drive the driving machine box to move.

2. The high-pressure water jet equipment for clearing obstacles in concrete structures in pipelines according to claim 1 is characterized in that: The flushing mechanism includes an electric turntable fixedly connected to one end of the positioning machine box, an extension arm is fixedly connected to the outer wall of the rotating disk of the electric turntable, a mounting bracket is fixedly connected to the outer wall of the extension arm, a steering gear is movably connected to the bottom end of the mounting bracket, a flushing tank is fixedly connected to the bottom end of the diverter, and a flushing nozzle is fixedly connected to the bottom end of the flushing tank.

3. The high-pressure water jet equipment for clearing obstacles in concrete structures in pipelines according to claim 2 is characterized in that: One end of the extension arm is fixedly connected to a support frame, and the support frame is located on one side of the flushing tank. A protective cushion is fixedly connected to the outer wall of the support frame. The mounting bracket is L-shaped, and the extension arm and the mounting bracket are an integrated structure. A connecting tube sleeve is fixedly connected to the interior of the positioning machine box, and one end of the connecting tube sleeve is fixedly connected to a liquid supply hose, and one end of the liquid supply hose is interconnected with the interior of the flushing tank.

4. The high-pressure water jet equipment for clearing obstacles in concrete structures in pipelines according to claim 1 is characterized in that: The positioning guide mechanism comprises a plurality of groups of electric telescopic rods fixedly connected to the outer wall of the positioning machine box, and one end of the plurality of groups of electric telescopic rods is fixedly connected to a guide wheel.

5. The high-pressure water jet equipment for clearing obstacles in concrete structures in pipelines according to claim 1 is characterized in that: The driving mechanism includes an electric telescopic frame fixedly connected to the outer wall of the driving machine box, the top of the telescopic rod of the electric telescopic frame is connected to a positioning slider via a rotating shaft, the outer wall of the driving machine box is connected to a support arm via a spring rotating shaft, a sliding groove is opened on the surface of the support arm, the top of the positioning slider is slidably installed in the sliding groove via a sliding buckle, one end of the support arm is fixedly connected to a roller frame, one side of the roller frame is fixedly connected to a driving motor, one end of the driving shaft of the driving motor is fixedly connected to a roller, and the roller is located inside the roller frame.

6. The high-pressure water jet equipment for clearing obstacles in concrete structures in pipelines according to claim 2, characterized in that: A protective shell cover is fixedly connected to the top of the mounting bracket, and a number one camera is fixedly connected inside the protective shell cover.

7. The high-pressure water jet equipment for clearing obstacles in concrete structures in pipelines according to claim 2, characterized in that: One end of the positioning machine box is fixedly connected to a plurality of groups of LED lamp beads, and the plurality of groups of LED lamp beads are distributed in a circle with the electric turntable as the center.

8. The high-pressure water jet equipment for clearing obstacles in concrete structures in pipelines according to claim 2, characterized in that: One end of the electric turntable is fixedly connected with a second camera, and the second camera is a wide-angle camera.

9. The high-pressure water jet equipment for clearing obstacles in concrete structures in pipelines according to claim 1, characterized in that: The driving machine box and the positioning machine box are both provided with wiring hole slots inside, and the wiring hole slots are fixedly connected with rubber tubes inside.

10. The high-pressure water jet equipment for clearing obstacles in concrete structures in pipelines according to claim 5, characterized in that: The roller is a vacuum rubber roller, and an anti-skid groove is arranged on the surface.

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