High-pressure flushing and detecting integrated device

Abstract

The utility model provides a high-pressure flushing and detecting integrated device. The high-pressure flushing and detecting integrated device comprises a flat car, a water conveying pipe and a positioning base. A water storage tank is fixedly arranged on the flat car, and a water pump is connected to the water storage tank; the water pipe is fixedly arranged on the upper side of the flat car and communicates with the water outlet end of the water pump. The end, away from the water pump, of the water conveying pipe is fixedly connected with a flow guide piece, a plurality of water outlets are formed in the flow guide piece, and an outlet of each water outlet faces the water conveying pipe and inclines back to the central axis of the water conveying pipe. The positioning seat is slidably arranged on the water conveying pipe and is in transmission connection with a linear driving component; and a camera is fixedly arranged on the positioning seat and is used for completing detection while washing. When water is discharged outwards from the water outlet, the flat car is pushed to move forwards under the influence of the counter-acting force of the high-pressure flushing effect. According to the high-pressure flushing and detecting integrated device, the flushing step and the visual detecting process of the pipeline can be achieved together, and the construction efficiency of pipeline cleaning is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of pipeline cleaning, and particularly relates to a high-pressure flushing and detection integrated device. BACKGROUND

[0002] The urban drainage system is crucial for the normal operation of a city. During the construction process of the drainage system, the pipeline needs to be flushed to remove the internal impurities and dirt, and the condition of the pipeline also needs to be detected to ensure the quality and safety of the pipeline.

[0003] In the prior art, after the pipeline is flushed, the residual substances on the inner wall (especially the top wall) of the pipeline are detected by moving a camera along the pipeline to ensure the cleaning effect of the pipeline.

[0004] The inventor finds that the common flushing equipment and detection equipment are often separated, which not only increases the construction cost and time, but also complicates the operation and is not conducive to improving the construction efficiency. CONTENT OF THE UTILITY MODEL

[0005] The application provides a high-pressure flushing and detection integrated device, which aims to realize the flushing step together with visual detection and improve the construction efficiency of pipeline cleaning.

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the application is:

[0007] The application provides a high-pressure flushing and detection integrated device, which comprises:

[0008] A flat car is used to be placed into a pipeline and slide along the length direction of the pipeline. A water storage tank for storing flushing liquid is fixedly arranged on the flat car, and a water pump for discharging the flushing liquid outward is connected to the water storage tank.

[0009] A water delivery pipe is fixedly arranged on the upper side of the flat car and communicates with the water outlet end of the water pump. The axial direction of the water delivery pipe is parallel to the sliding direction of the flat car, and a flow guide member is fixedly connected to the end of the water delivery pipe away from the water pump. A plurality of water discharge ports are arranged on the flow guide member and spaced apart along the circumferential direction of the flow guide member, and each water discharge port communicates with the water delivery pipe. The outlet of each water discharge port is arranged towards the water delivery pipe and is inclined away from the central axis of the water delivery pipe.

[0010] A positioning seat is slidably arranged on the water delivery pipe along the length direction of the water delivery pipe and is drivingly connected with a linear driving member. A camera is fixedly arranged on the positioning seat.

[0011] In a possible implementation manner, the positioning seat adopts a hollow box structure, and the linear driving member is arranged in the interior of the positioning seat.

[0012] The positioning seat has a mounting hole penetrating in the horizontal direction and communicating with the internal space, and the water delivery pipe is coaxially inserted into the mounting hole.

[0013] Two sealing rings are arranged in parallel along the axial direction of the water delivery pipe and are respectively arranged between the two mounting holes to fill the gap between the outer peripheral wall of the water delivery pipe and the inner peripheral wall of the mounting hole.

[0014] A counterweight is arranged on the lower side of the positioning seat and is connected to the positioning seat through a lifting rope.

[0015] In a possible implementation, the straight-line driving member includes:

[0016] Two clamping rollers are arranged in the positioning seat and are arranged in parallel along the radial direction of the water delivery pipe on both sides of the water delivery pipe. Each clamping roller is rotationally connected to the positioning seat, and the outer peripheral surface thereof abuts against the outer wall of the water delivery pipe, so that the positioning seat moves synchronously when any one of the clamping rollers rotates. One of the clamping rollers is coaxially connected with a driven gear.

[0017] A first rotating motor is fixedly arranged in the positioning seat, and a driving gear engaged with the driven gear is drivingly connected to the power output end of the first rotating motor.

[0018] In a possible implementation, the outer peripheral surface of each clamping roller is a concave arc surface matched with the outer peripheral surface of the water delivery pipe.

[0019] In a possible implementation, the positioning seat further includes:

[0020] A plurality of support arms are arranged at intervals along the circumferential direction of the water delivery pipe and are fixedly connected to the outer side surface of the positioning seat. A first threaded groove is formed in the outer end surface of each support arm away from the positioning seat.

[0021] A plurality of distance adjusting screws are threadedly connected in the plurality of first threaded grooves in one-to-one correspondence. A roller is rotationally connected to the extending end of each distance adjusting screw, and the roller is used to abut against the inner peripheral surface of the pipeline.

[0022] In a possible implementation, the flow guide member is provided with a slot suitable for inserting the water delivery pipe, and each drainage port penetrates from the bottom of the slot to the outer peripheral surface of the flow guide member.

[0023] In a possible implementation, the outer peripheral surface of the water delivery pipe has a mounting disc extending radially outward therefrom, and the mounting disc has a through hole penetrating in the axial direction of the water delivery pipe. The flow guide member further includes:

[0024] A positioning screw rod is fixedly connected to the flow guide and extends through the through hole;

[0025] A butt nut is threadedly connected to the extending portion of the positioning screw rod to abut against the side of the mounting disc away from the flow guide.

[0026] In a possible implementation, a second rotating motor is fixedly arranged at the end of the flow guide away from the water delivery pipe, the power output shaft of the second rotating motor is parallel to the axial direction of the water delivery pipe, and a rotating disc is coaxially connected to the power output end of the second rotating motor; the rotating disc has an extending and retracting rod extending radially outward therefrom, and the extending end of the extending and retracting rod is used to abut against the inner circumferential surface of the pipeline.

[0027] In a possible implementation, the extending and retracting rod comprises:

[0028] A guide portion is arranged on the outer circumferential surface of the rotating disc and extends radially outward therefrom; the extending end of the guide portion is provided with a second threaded groove; and

[0029] An extending portion is in the form of a threaded rod structure suitable for threadedly connecting with the second threaded groove, and is threadedly connected with the second threaded groove; the end of the extending portion away from the groove bottom of the second threaded groove is provided with a ball, and the ball is used to abut against the inner circumferential surface of the pipeline.

[0030] In a possible implementation, the end surface of the flow guide away from the water delivery pipe is provided with a receiving groove, and the second rotating motor is inserted into the receiving groove; the end surface of the flow guide away from the water delivery pipe is further connected with a baffle suitable for closing the receiving groove.

[0031] The baffle is provided with a reserved hole for the power output shaft of the second rotating motor to extend out, and the side surface of the extending and retracting rod is slidably connected with the baffle along the circumferential direction of the reserved hole.

[0032] In the embodiment, the flat car can move along the pipeline to move other components; on this basis, when the water pump is started, the high-pressure water flow enters each water outlet of the flow guide through the water delivery pipe and is discharged outward along the inclined track, and at the same time when the high-pressure water flow contacts the inner wall of the pipeline, the flat car is driven to move under the influence of the reaction force, so that the pipeline at different positions can be washed. During the movement of the flat car, the positioning seat is moved by the linear driving component, so that the camera can be moved to a position where the inner wall of the pipeline can be observed, so as to detect the cleaning effect of the pipeline.

[0033] Compared with the prior art, the high-pressure washing and detection integrated device provided in the embodiment can realize the washing step and the visual detection process of the pipeline together, and improve the construction efficiency of pipeline cleaning. Attached Figure Description

[0034] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0035] Figure 1 This is a three-dimensional structural diagram of the integrated high-pressure flushing and testing device provided in the embodiments of this application;

[0036] Figure 2 for Figure 1 Side view;

[0037] Figure 3 for Figure 1 Front view;

[0038] Figure 4 For along Figure 3 Cross-sectional view of line AA in the middle;

[0039] Figure 5 for Figure 4 A magnified view of a portion of the upper circle at point B;

[0040] Figure 6 This is a three-dimensional structural diagram of the flatbed truck, water tank, and water pump used in the embodiments of this application in a combined state;

[0041] Figure 7 This is a partial schematic diagram of the water supply pipe used in the embodiments of this application;

[0042] Figure 8 This is a three-dimensional structural diagram of the flow guide and docking nut used in the embodiments of this application from an explosion perspective;

[0043] Figure 9 This is a three-dimensional structural diagram of the flow guide and baffle used in the embodiments of this application from an explosion perspective;

[0044] Figure 10 This is a cross-sectional view of the flow guide used in the embodiments of this application;

[0045] Figure 11 This is a three-dimensional structural diagram of the second rotating motor and the telescopic rod used in the embodiments of this application in a combined state;

[0046] Figure 12 This is an exploded view of the telescopic rod used in the embodiments of this application;

[0047] Figure 13A perspective view of the positioning seat used in the embodiment of the present application (for the convenience of display, the support arm and the distance adjusting screw are treated as an explosion view);

[0048] Figure 14 A perspective view of the linear driving member used in the embodiment of the present application;

[0049] Label explanation: 1, flatbed truck; 11, water storage tank; 12, water pump; 2, water delivery pipe; 21, mounting disc; 211, through hole; 3, positioning seat; 31, mounting hole; 32, sealing ring; 33, counterweight; 331, hanging rope; 34, support arm; 341, first threaded groove; 35, distance adjusting screw; 351, roller; 4, flow guide; 41, drainage port; 42, insertion slot; 43, positioning screw; 44, butt nut; 45, containing groove; 46, baffle; 461, reserved hole; 5, linear driving member; 51, pinch roller; 511, driven gear; 52, first rotating motor; 521, driving gear; 6, camera; 7, second rotating motor; 71, rotating disc; 8, telescopic rod; 81, guide part; 811, second threaded groove; 82, extension part; 821, ball bearing. DETAILED DESCRIPTION

[0050] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0051] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0052] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0053] In addition, the terms "first", "second", "third", etc. are used herein only to describe different instances, and are not used to indicate or imply relative importance or a number of indicated technical features. Thus, features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0054] Please refer to Figures 1 to 14 The high-pressure flushing and detection integrated device provided by the present application will be described below. The high-pressure flushing and detection integrated device provided by the present application comprises a flat car 1, a water delivery pipe 2 and a positioning seat 3.

[0055] The flat car 1 is used to be placed in a pipeline and slide along the length direction of the pipeline. In general, the upper side of the flat car 1 is on the lower side of the central axis of the pipeline, and the wheels at the bottom of the flat car 1 are in contact with the inner bottom surface of the pipeline to realize the linear movement of the flat car 1.

[0056] A water storage tank 11 for storing flushing liquid is fixedly arranged on the flat car 1, and a water pump 12 for discharging the flushing liquid outward is connected to the water storage tank 11.

[0057] The water delivery pipe 2 is fixedly arranged on the upper side of the flat car 1 and is in communication with the water outlet end of the water pump 12. In actual use, in order to avoid the phenomenon of unstable structure of the water delivery pipe 2, a supporting structure such as a supporting rod can be loaded on the upper side of the flat car 1. The axial direction of the water delivery pipe 2 is parallel to the sliding direction of the flat car 1, and when the flat car 1 is fixed in the pipeline, the water delivery pipe 2 is coaxially arranged with the pipeline.

[0058] It should be noted that the water pump 12 on the flat car 1 and the flat car 1 have a structure combination with adjustable height, so that by adjusting the height of the water pump 12, the water delivery pipe 2 in different height states can be adapted to ensure that the water delivery pipe 2 and the water outlet end of the water pump 12 are coaxially arranged with the pipeline.

[0059] The end of the water delivery pipe 2 away from the water pump 12 is fixedly connected with a flow guide 4. The flow guide 4 is provided with a plurality of water discharge ports 41 which are arranged at intervals along the circumferential direction of the flow guide 4 and are in communication with the water delivery pipe 2. The inlet of each water discharge port 41 is in communication with the water delivery pipe 2, the outlet of each water discharge port 41 is arranged towards the water delivery pipe 2, and the outlet is inclined away from the central axis of the water delivery pipe 2.

[0060] The positioning seat 3 is slidably arranged on the water delivery pipe 2 along the length direction of the water delivery pipe 2, and is drivingly connected with a linear driving member 5 for driving the positioning seat 3 to move in a predetermined direction. Furthermore, a camera 6 is fixedly arranged on the positioning seat 3.

[0061] It should be noted that in the embodiment, the camera 6 is only one and is fixedly installed on the upper side of the positioning seat 3 to detect the inner top surface of the pipeline. In actual use, the camera 6 can also be provided as multiple and surround the positioning seat 3 to increase the detection range.

[0062] In the embodiment, the flat car 1 can move along the pipeline to move other components; on this basis, when the water pump 12 is started, the high-pressure water flow enters each water outlet 41 of the flow guide 4 through the water delivery pipe 2 and is discharged outward along the inclined track, and at the same time when the high-pressure water flow contacts the inner wall of the pipeline, the flat car 1 is driven to move under the influence of the reaction force, so that the pipeline at different positions is washed. In the process of moving the flat car 1, the positioning seat 3 is moved by the linear driving component 5, so that the camera 6 is moved to a position where the inner wall of the pipeline can be observed, so as to realize the detection of the pipeline washing effect.

[0063] Compared with the prior art, the high-pressure washing and detection integrated device provided by the embodiment can realize the pipeline washing step and the visual detection process together, so that the construction efficiency of the pipeline cleaning is improved.

[0064] In some embodiments, as shown in Figure 4 , Figure 5 and Figure 13 , the positioning seat 3 adopts a hollow box structure, and the linear driving component 5 is arranged in the inside of the positioning seat 3 to avoid the influence of the externally splashed liquid on the normal use.

[0065] The positioning seat 3 has a mounting hole 31 penetrating in the horizontal direction and communicating with the internal space, and the water delivery pipe 2 is coaxially inserted into the mounting hole 31 to realize the sliding connection relationship between the positioning seat 3 and the water delivery pipe 2.

[0066] Based on the foregoing, the positioning seat 3 further includes two sealing rings 32 and a counterweight 33.

[0067] The two sealing rings 32 are arranged in parallel along the axial direction of the water delivery pipe 2 and are respectively arranged between the two mounting holes 31 to fill the gap between the outer peripheral wall of the water delivery pipe 2 and the inner peripheral wall of the mounting hole 31, so as to avoid the liquid entering the inside of the positioning seat 3 and further avoid the influence on the use of the linear driving component 5.

[0068] The counterweight 33 is arranged on the lower side of the positioning seat 3 and is connected with the positioning seat 3 through a lifting rope 331. Specifically, the counterweight 33 is connected with the lifting rope 331, and the end of the lifting rope 331 is further fixedly connected with the lower side of the positioning seat 3. Under the action of the counterweight 33, the lifting rope 331 always keeps a vertical state, and the lower side of the positioning seat 3 always faces downward.

[0069] In some embodiments, as shown in Figure 5 andFigure 14 As shown in the drawings, the straight-line driving member 5 comprises two clamping rollers 51 and a first rotating motor 52.

[0070] The two clamping rollers 51 are arranged in the positioning seat 3 and are arranged side by side along the radial direction of the water conveying pipe 2. Each clamping roller 51 is rotationally connected to the positioning seat 3, and the outer circumferential surface of each clamping roller 51 abuts against the outer wall of the water conveying pipe 2, so that when any one of the clamping rollers 51 rotates, the positioning seat 3 moves synchronously. One of the clamping rollers 51 is coaxially connected with a driven gear 511.

[0071] The first rotating motor 52 is fixedly arranged in the positioning seat 3, and the power output end of the first rotating motor 52 is drivingly connected with a driving gear 521 which is engaged with the driven gear 511.

[0072] In some embodiments, as shown in Figure 5 and Figure 14 the outer circumferential surface of each clamping roller 51 is a concave arc surface which is matched with the outer circumferential surface of the water conveying pipe 2, so as to increase the contact range between the clamping roller 51 and the water conveying pipe 2, and to ensure that the positioning seat 3 moves under the reaction force of the outer circumferential wall of the water conveying pipe 2 when the clamping roller 51 rotates.

[0073] In some embodiments, as shown in Figure 1 and Figure 13 the positioning seat 3 further comprises a plurality of supporting arms 34 and a plurality of distance adjusting screws 35.

[0074] The plurality of supporting arms 34 are arranged at intervals along the circumferential direction of the water conveying pipe 2, and are fixedly connected to the outer side surface of the positioning seat 3. The outer end surface of each supporting arm 34 which faces away from the positioning seat 3 is provided with a first threaded groove 341.

[0075] The plurality of distance adjusting screws 35 are threadedly connected in the plurality of first threaded grooves 341 one by one. The extending end of each distance adjusting screw 35 is rotationally connected with a roller 351, and the roller 351 is used to abut against the inner circumferential surface of the pipe.

[0076] In some embodiments, as shown in Figure 4 and Figure 8 the flow guide 4 is provided with a slot 42 which is suitable for inserting the water conveying pipe 2. Each drainage port 41 penetrates from the slot bottom of the slot 42 to the outer circumferential surface of the flow guide 4, so as to realize the positioning assembly of the flow guide 4 and the water conveying pipe 2 while ensuring the communication relationship between the drainage port 41 and the water conveying pipe 2.

[0077] In some embodiments, as shown in Figure 7 and Figure 8 the outer circumferential surface of the water conveying pipe 2 is provided with a mounting disc 21 which extends outwardly along the radial direction of the water conveying pipe 2. The mounting disc 21 is provided with a through hole 211 which penetrates along the axial direction of the water conveying pipe 2.

[0078] Based on the foregoing, the flow guide 4 further comprises a positioning screw 43 and a butt nut 44.

[0079] The positioning screw 43 is fixedly connected to the flow guide 4 and extends through the through hole 211.

[0080] The butt nut 44 is threadedly connected to the extending portion of the positioning screw 43 and abuts against the side of the mounting disc 21 away from the flow guide 4, thereby achieving the combination of the water conveying pipe 2 and the flow guide 4.

[0081] In some embodiments, as shown in Figure 4 and Figure 11 , the end of the flow guide 4 away from the water conveying pipe 2 is fixedly provided with a second rotating motor 7, the power output shaft of the second rotating motor 7 is parallel to the axial direction of the water conveying pipe 2, and the power output end is coaxially connected to a rotating disc 71; the rotating disc 71 has an extension and contraction rod 8 extending radially outward therefrom, and the extending end of the extension and contraction rod 8 is used to abut against the inner circumferential surface of the pipeline.

[0082] When the second rotating motor 7 is started, the extension and contraction rod 8 can swing to eliminate the interference on the track of the flat car 1.

[0083] In some embodiments, as shown in Figure 12 , the extension and contraction rod 8 comprises a guide portion 81 and an extending portion 82.

[0084] The guide portion 81 is arranged on the outer circumferential surface of the rotating disc 71 and extends radially outward therefrom; and the extending end of the guide portion 81 is provided with a second threaded groove 811.

[0085] The extending portion 82 is in the form of a threaded rod structure suitable for threadedly connecting with the second threaded groove 811, and is threadedly connected with the second threaded groove 811; the end of the extending portion 82 away from the groove bottom of the second threaded groove 811 is provided with a ball 821, and the ball 821 is used to abut against the inner circumferential surface of the pipeline to ensure the stability of the rotating process and the movement of the flat car 1 in the linear direction.

[0086] In some embodiments, as shown in Figure 4 , Figure 9 and Figure 12 , the end surface of the flow guide 4 away from the water conveying pipe 2 is provided with a receiving groove 45, and the second rotating motor 7 is inserted and fixed in the receiving groove 45. The end surface of the flow guide 4 away from the water conveying pipe 2 is further connected with a baffle plate 46 suitable for closing the receiving groove 45, so as to limit the disengagement of the second rotating motor 7 from the receiving groove 45.

[0087] The baffle plate 46 is provided with a reserved hole 461 for the power output shaft of the second rotating motor 7 to extend out, and the side surface of the extension and contraction rod 8 is slidably connected with the baffle plate 46 along the circumferential direction of the reserved hole 461, so as to enhance the structural stability of the rotating disc 71.

[0088] The above merely provides preferred embodiments of the present application, and is not used to limit the present application. Any modification, equivalent replacement, and improvement made in the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A high pressure washing and detection integrated device, characterized in that, The utility model provides a pipeline cleaning device, which comprises a flat car for being placed in a pipeline and sliding along the length direction of the pipeline, a water storage tank for storing flushing liquid is fixedly arranged on the flat car, and a water pump for discharging the flushing liquid outward is connected to the water storage tank; a water delivery pipe is fixedly arranged on the upper side of the flat car and communicates with the water outlet end of the water pump, the axial direction of the water delivery pipe is parallel to the sliding direction of the flat car, one end of the water delivery pipe away from the water pump is fixedly connected with a flow guide piece, a plurality of water discharge ports are arranged on the flow guide piece and spaced apart along the circumferential direction of the flow guide piece, each of the water discharge ports communicates with the water delivery pipe, the outlet of each of the water discharge ports is arranged towards the water delivery pipe, and the water discharge port is inclined away from the central axis of the water delivery pipe; and a positioning seat is slidably arranged on the water delivery pipe along the length direction of the water delivery pipe and is drivingly connected with a linear driving member, and a camera is fixedly arranged on the positioning seat. The positioning seat adopts a hollow box structure, and the linear driving member is arranged in the positioning seat; 2. The high pressure washing and inspection integrated apparatus of claim 1, wherein, wherein the positioning seat is provided with a mounting hole penetrating in the horizontal direction and communicating with the internal space, and the water delivery pipe is coaxially inserted into the mounting hole; the positioning seat further comprises: two sealing rings arranged in parallel along the axial direction of the water delivery pipe and arranged between the two mounting holes to fill the gap between the outer peripheral wall of the water delivery pipe and the inner peripheral wall of the mounting hole; and a counterweight arranged on the lower side of the positioning seat and connected to the positioning seat through a lifting rope. The linear driving member comprises:

3. The high pressure washing and inspection integrated apparatus of claim 2, wherein, two clamping rollers arranged in the positioning seat and arranged in parallel on both sides of the water delivery pipe along the radial direction of the water delivery pipe, each of the clamping rollers is rotationally connected with the positioning seat, and the outer peripheral surface of each of the clamping rollers abuts against the outer wall of the water delivery pipe, so that when any one of the clamping rollers rotates, the positioning seat moves synchronously, one of the clamping rollers is coaxially connected with a driven gear; and a first rotating motor fixedly arranged in the positioning seat and drivingly connected with a driving gear engaged with the driven gear through a power output end. The outer peripheral surface of each of the clamping rollers adopts a concave arc surface matched with the outer peripheral surface of the water delivery pipe.

4. The high pressure washing and inspection integrated apparatus of claim 3, wherein The positioning seat further comprises:

5. The high pressure washing and inspection integrated apparatus of claim 2, wherein a plurality of support arms arranged in parallel along the circumferential direction of the water delivery pipe and fixedly connected with the outer side surface of the positioning seat, a first threaded groove is formed in the outer end surface of each of the support arms away from the positioning seat; and a plurality of distance adjusting screws threadedly connected in the first threaded grooves in one-to-one correspondence, and a roller rotationally connected with the extending end of each of the distance adjusting screws is arranged for abutting against the inner peripheral surface of the pipeline. The flow guide piece is provided with a slot suitable for inserting the water delivery pipe, and each of the water discharge ports penetrates from the bottom of the slot to the outer peripheral surface of the flow guide piece.

6. The high pressure washing and inspection integrated apparatus of claim 1, wherein, The outer peripheral surface of the water delivery pipe is provided with a mounting disc extending outward along the radial direction of the water delivery pipe, the mounting disc is provided with a through hole penetrating along the axial direction of the water delivery pipe, the flow guide piece further comprises:

7. The high pressure washing and inspection integrated apparatus of claim 6, wherein a positioning screw fixedly connected to the flow guide piece and extending through the through hole; and a butt nut threadedly connected with the extending part of the positioning screw to abut against one side of the mounting disc away from the flow guide piece. ​ 8. The high pressure washing and inspection integrated apparatus of claim 1, wherein, The second rotating motor is fixedly arranged at the end of the flow guide away from the water delivery pipe, the power output shaft of the second rotating motor is parallel to the axial direction of the water delivery pipe, and the power output end is coaxially connected with a rotating disc; the rotating disc is provided with an extension rod extending outward along the radial direction of the rotating disc, and the extension end of the extension rod is used for abutting against the inner circumferential surface of the pipeline.

9. The high pressure washing and inspection integrated apparatus of claim 8, wherein, The extension rod comprises: a guide portion arranged on the outer circumferential surface of the rotating disc and extending outward along the radial direction of the rotating disc; the extension end of the guide portion is provided with a second threaded groove; and an extension portion in the form of a threaded rod structure suitable for being threadedly connected with the second threaded groove, and threadedly connected with the second threaded groove; the end of the extension portion away from the groove bottom of the second threaded groove is provided with a ball, and the ball is used for abutting against the inner circumferential surface of the pipeline.

10. The high pressure washing and inspection integrated apparatus of claim 8, wherein, The end surface of the flow guide away from the water delivery pipe is provided with a containing groove, and the second rotating motor is inserted into the containing groove; the end surface of the flow guide away from the water delivery pipe is further connected with a baffle suitable for closing the containing groove; wherein the baffle is provided with a reserved hole for the power output shaft of the second rotating motor to extend out, and the side surface of the extension rod is slidably connected with the baffle along the circumferential direction of the reserved hole.

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