Cleaning device for inner wall of water conveying pipeline and cleaning method thereof

Abstract

The invention discloses a water conveying pipeline inner wall cleaning device and a cleaning method thereof, and belongs to the technical field of cleaning devices.The water conveying pipeline inner wall cleaning device comprises a base, a lifting assembly is arranged above the base, a transverse moving assembly is arranged above the lifting assembly, a driving assembly is arranged above the transverse moving assembly, and an adjusting assembly is arranged at one end of the driving assembly; an adjusting assembly is arranged on the lower portion of the base, a convenient dismounting and mounting assembly is arranged at one end of the adjusting assembly, a cleaning brush is arranged on one side of the convenient dismounting and mounting assembly, rolling wheels are arranged on the two sides of the lower portion of the base, and a positioning assembly is arranged in the middle of the lower portion of the base. When the bristles are damaged after being used for a long time, the bristles can be rapidly detached and replaced, the device is provided with the positioning assembly, after the device is moved, the device can be positioned, and the working stability of the device is high.

Description

Technical Field

[0001] The invention belongs to the technical field of cleaning devices, and in particular relates to a device for cleaning the inner wall of a water pipeline and a cleaning method thereof. Background Art

[0002] The cleanliness of the water pipeline determines the quality of water supply, so the water pipeline needs to be cleaned regularly, so a municipal water pipeline inner wall cleaning device is needed.

[0003] Chinese patent application No. 202220107410.6 discloses a municipal water pipeline inner wall cleaning device, including a base plate, a placement plate is installed on the base plate through multiple electric push rods, a slide groove is provided on the placement plate, a slider is slidably connected in the slide groove, and a first screw is rotatably connected in the slide groove, the first screw and the slider are threadedly connected, and one end of the first screw is fixedly connected to a rotating shaft, one end of the rotating shaft passes through the placement plate and extends to the outside, a connecting plate is fixedly connected to the slider, a first motor is installed on the connecting plate, and a connecting sleeve is fixedly connected to the connecting plate, a connecting column is rotatably connected in the connecting sleeve, the output end of the first motor is fixedly connected to the connecting column, an installation groove and a rotating groove are provided on the connecting column, a second motor is installed in the installation groove, and a rotating column is rotatably connected in the rotating groove. The device has the advantages of being able to facilitate the cleaning of water pipelines with different inner diameters and having low limitations on use.

[0004] The above-mentioned patents:

[0005] 1. When in use, multiple electric push rods are used to drive the placement plate to move, thereby adjusting the height of the device. However, when in use, the setting cost is high and regular maintenance is required, which is not practical enough;

[0006] 2. When the bristles are damaged after long-term use, it is not convenient to replace them;

[0007] 3. When in use, the device can be easily moved by the rollers, but when in use, after the movement is completed, it is inconvenient to position the device, resulting in insufficient stability. Summary of the invention

[0008] In order to solve the problems raised in the above background technology, the present invention provides a water pipeline inner wall cleaning device, which is convenient for adjusting the height of the device according to the needs of use, has a practical structure, can be quickly replaced when the bristles are damaged, and can be positioned after the device is moved.

[0009] The invention also provides a method for cleaning the inner wall cleaning device of a water pipeline.

[0010] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a device for cleaning the inner wall of a water supply pipeline, comprising a base, a lifting assembly is arranged above the base, a transverse movement assembly is arranged above the lifting assembly, a driving assembly is arranged above the transverse movement assembly, an adjusting assembly is arranged at one end of the driving assembly, a convenient disassembly and assembly assembly is arranged at one end of the adjusting assembly, a cleaning brush is arranged on one side of the convenient disassembly and assembly assembly, rollers are arranged on both sides below the base, and a positioning assembly is arranged in the middle below the base.

[0011] In the present invention, further; the lifting assembly includes a lifting seat, a rotating rod, a lifting handle, a bevel gear 1, a bevel gear 2, a lifting trapezoidal screw, a square slider and a lifting plate, wherein a lifting seat is arranged above the base, a rotating rod is arranged inside the lifting seat, a lifting handle is arranged at one end of the rotating rod, a bevel gear 1 is symmetrically arranged on the surface of the rotating rod, a bevel gear 2 is meshingly connected to one side of the bevel gear 1, a lifting trapezoidal screw is arranged at one end of the bevel gear 2, a square slider is threadedly connected to the surface of the lifting trapezoidal screw, and a lifting plate is arranged at one end of the square slider.

[0012] Furthermore, in the present invention, the surface of the lifting handle is provided with an anti-sliding block, and the anti-sliding block is arranged around it.

[0013] Further in the present invention; the convenient disassembly and assembly component includes a disassembly and assembly seat, a square plug block, a fixed block, a pull rod, a fixed slider, a fixed spring and a limit assembly, wherein a disassembly and assembly seat is provided at one end of the adjustment component, a square plug block is inserted above the disassembly and assembly seat, a fixed block is inserted on one side of the square plug block, a pull rod is provided at one end of the fixed block, a fixed slider is provided above the fixed block, a fixed spring is provided on one side of the fixed slider, and a limit assembly is provided at one end of the pull rod located outside the disassembly and assembly seat.

[0014] Further in the present invention; the limit assembly includes a bearing, a limit block and a stopper, wherein a bearing is provided at the connection between the fixed block and the pull rod, a limit block is provided on one side of the pull rod located at one end outside the disassembly and assembly seat, and a stopper cooperating with the limit block is provided on one side of the disassembly and assembly seat.

[0015] In the present invention, further, a square plug hole matching the square plug block is provided on the top of the disassembly and assembly seat, and a fixing hole matching the fixing block is provided on one side of the square plug block.

[0016] Further in the present invention; the positioning assembly includes a support, a movable plate, a positioning trapezoidal screw, a positioning handle, a fastening assembly and a positioning plate, wherein a support is arranged in the middle of the base, a movable plate is arranged inside the support, the internal thread of the movable plate is connected with the positioning trapezoidal screw, a positioning handle is arranged at one end of the positioning trapezoidal screw, a fastening assembly is arranged below the movable plate, and a positioning plate is arranged below the fastening assembly.

[0017] Further in the present invention; the fastening assembly includes a fastening seat, a fastening spring and a fastening pad, wherein a fastening seat is arranged below the movable plate, a fastening spring is arranged at the connection between the positioning plate and the fastening seat, and a fastening pad is arranged below the positioning plate.

[0018] In the present invention, further, limit sliders are arranged on both sides of the positioning plate, and a limit slide rod is slidably arranged in the middle of the limit sliders.

[0019] Further in the present invention; a method for cleaning the inner wall of a water pipeline cleaning device comprises the following steps:

[0020] Step 1: When in use, the device is moved to the position of use by the roller. After the device is moved, the positioning handle is turned. The rotation of the positioning handle will drive the positioning trapezoidal screw to rotate. The rotation of the positioning trapezoidal screw will drive the moving plate to move downward, thereby driving the fastening assembly and the positioning plate to move downward to position the device. When the fastening assembly is in use, when the positioning plate abuts against the ground, the positioning plate will move inside the fastening seat to compress the fastening spring and cooperate with the fastening pad to achieve a good positioning effect.

[0021] Step 2: Then adjust the device to a suitable height through the lifting assembly. When in use, turn the lifting handle, the lifting handle rotates to drive the rotating rod to rotate, the rotating rod rotates to drive the bevel gear 2 to rotate, the bevel gear 2 rotates to drive the bevel gear 1 to rotate, the bevel gear 1 rotates to drive the lifting trapezoidal screw to rotate, the lifting trapezoidal screw rotates to drive the square slider to move, the square slider moves to drive the lifting plate to move, so as to adjust the height of the device, and then drive the cleaning brush into the water supply pipe through the transverse movement assembly, and then drive the cleaning brush to move through the adjustment assembly so that it abuts against the inner wall of the water supply pipe, and then drive the cleaning brush to rotate through the driving assembly to perform cleaning work;

[0022] Step 3: After long-term use, the cleaning brush is damaged and needs to be replaced. Pull the pull rod, and the pull rod moves to drive the fixed block to move. The movement of the fixed block drives the fixed slider to move and compress the fixed spring, so that the fixed block is disengaged from the fixed hole on one side of the square plug-in block. When the pull rod moves to the maximum limit, under the action of the bearing, rotate the pull rod to make the limit block rotate and drive one side of the block to cooperate with the block to limit the pull rod and prevent it from rebounding. Then the square plug-in block and the disassembly seat can be separated, so that the cleaning brush 7 can be removed for replacement.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. The present invention realizes the effect of conveniently adjusting the height of the device by setting an adjustment component, and the structure can be quickly adjusted when in use, making the adjustment convenient and the structure practical.

[0025] 2. The present invention provides a convenient disassembly and assembly component, so that when the bristles are damaged after long-term use, they can be quickly removed and replaced. This structure can quickly disassemble and assemble the cleaning brush, which is very convenient.

[0026] 3. The present invention realizes positioning of the device after the device is moved by setting a positioning component, so that the device has high working stability. When the structure is in use, the positioning effect is good by fastening the component. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 It is a schematic diagram of the structure of the present invention cut from the front view;

[0029] Figure 3 It is a structural schematic diagram of the lifting assembly of the present invention;

[0030] Figure 4 This is a schematic diagram of the structure of the convenient disassembly and assembly components of the present invention;

[0031] Figure 5 It is a structural schematic diagram of the limit assembly in the convenient disassembly and assembly assembly of the present invention;

[0032] Figure 6 It is a structural schematic diagram of the positioning assembly of the present invention;

[0033] Figure 7 It is a schematic diagram of the structure of the fastening component in the positioning component of the present invention.

[0034] In the figure: 1. base; 2. lifting assembly; 21. lifting seat; 22. rotating rod; 23. lifting handle; 24. bevel gear 1; 25. bevel gear 2; 26. lifting trapezoidal screw rod; 27. square slider; 28. lifting plate; 3. transverse movement assembly; 4. driving assembly; 5. adjustment assembly; 6. convenient disassembly assembly; 61. disassembly seat; 62. square plug block; 63. fixed block; 64. pull rod; 65. fixed slider; 66. fixed spring; 67. limit assembly; 671. bearing; 672. limit block; 673. stopper; 7. cleaning brush; 8. roller; 9. positioning assembly; 91. support; 92. moving plate; 93. positioning trapezoidal screw rod; 94. positioning handle; 95. fastening assembly; 951. fastening seat; 952. fastening spring; 953. fastening pad; 96. positioning plate. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] See also Figure 1-7 The present invention provides the following technical solutions: A device for cleaning the inner wall of a water pipeline, comprising a base 1, a lifting assembly 2 is arranged above the base 1, a lateral movement assembly 3 is arranged above the lifting assembly 2, a driving assembly 4 is arranged above the lateral movement assembly 3, an adjusting assembly 5 is arranged at one end of the driving assembly 4, a convenient disassembly and assembly assembly 6 is arranged at one end of the adjusting assembly 5, a cleaning brush 7 is arranged on one side of the convenient disassembly and assembly assembly 6, rollers 8 are arranged on both sides below the base 1, and a positioning assembly 9 is arranged in the middle below the base 1.

[0037] Specifically, the lifting assembly 2 includes a lifting seat 21, a rotating rod 22, a lifting handle 23, a bevel gear 1 24, a bevel gear 25, a lifting trapezoidal screw 26, a square slider 27 and a lifting plate 28, wherein a lifting seat 21 is arranged above the base 1, a rotating rod 22 is arranged inside the lifting seat 21, a lifting handle 23 is arranged at one end of the rotating rod 22, a bevel gear 1 24 is symmetrically arranged on the surface of the rotating rod 22, a bevel gear 1 25 is meshingly connected to one side of the bevel gear 1 24, a lifting trapezoidal screw 26 is arranged at one end of the bevel gear 25, a square slider 27 is threadedly connected to the surface of the lifting trapezoidal screw 26, and a lifting plate 28 is arranged at one end of the square slider 27.

[0038] By adopting the above technical scheme, the height of the device is adjusted according to the needs of use, and the lifting handle 23 is rotated. The lifting handle 23 rotates to drive the rotating rod 22 to rotate, and the rotating rod 22 rotates to drive the bevel gear 25 to rotate. The bevel gear 25 rotates to drive the bevel gear 1 24 to rotate. The bevel gear 1 24 rotates to drive the lifting trapezoidal screw rod 26 to rotate. The lifting trapezoidal screw rod 26 rotates to drive the square slider 27 to move. The square slider 27 moves to drive the lifting plate 28 to move, thereby adjusting the height of the device, so that the height of the device can be conveniently adjusted when the device is in use, and the structure can be quickly adjusted when in use, so that the adjustment is convenient and the structure is practical.

[0039] Specifically, the surface of the lifting handle 23 is provided with an anti-sliding block, and the anti-sliding block is arranged around it.

[0040] By adopting the above technical solution and the provision of the anti-sliding block, the lifting handle 23 can be conveniently rotated.

[0041] Specifically, the convenient disassembly and assembly component 6 includes a disassembly and assembly seat 61, a square plug block 62, a fixed block 63, a pull rod 64, a fixed slider 65, a fixed spring 66 and a limit assembly 67, wherein a disassembly and assembly seat 61 is provided at one end of the adjustment component 5, a square plug block 62 is inserted above the disassembly and assembly seat 61, a fixed block 63 is inserted on one side of the square plug block 62, a pull rod 64 is provided at one end of the fixed block 63, a fixed slider 65 is provided above the fixed block 63, a fixed spring 66 is provided on one side of the fixed slider 65, and a limit assembly 67 is provided at one end of the pull rod 64 located outside the disassembly and assembly seat 61.

[0042] By adopting the above technical solution, the cleaning brush 7 is damaged after long-term use and needs to be replaced. The pull rod 64 is pulled, and the pull rod 64 moves to drive the fixed block 63 to move. The fixed block 63 moves to drive the fixed slider 65 to move and compress the fixed spring 66, so that the fixed block 63 is disengaged from the fixed hole on one side of the square plug block 62. Then the square plug block 62 and the disassembly seat 61 can be separated, so that the cleaning brush 7 can be removed and replaced. When the device is used for a long time and the brush is damaged, the cleaning brush 7 can be quickly removed and replaced.

[0043] Specifically, the limit assembly 67 includes a bearing 671, a limit block 672 and a stop block 673, wherein a bearing 671 is provided at the connection between the fixed block 63 and the pull rod 64, a limit block 672 is provided on one side of the pull rod 64 located at one end of the outer side of the disassembly and assembly seat 61, and a stop block 673 cooperating with the limit block 672 is provided on one side of the disassembly and assembly seat 61.

[0044] By adopting the above technical solution, when the limit assembly 67 is in use, after the pull rod 64 moves to the maximum limit, under the action of the bearing 671, the pull rod 64 is rotated, so that the limit block 672 rotates and drives one side of the stop block 673, thereby cooperating with the stop block 673 to limit the pull rod 64 and prevent it from rebounding.

[0045] Specifically, a square plug hole matching the square plug block 62 is provided on the top of the disassembly and assembly seat 61 , and a fixing hole matching the fixing block 63 is provided on one side of the square plug block 62 .

[0046] By adopting the above technical solution, the square plug hole facilitates the connection between the disassembly and assembly seat 61 and the square plug block 62 , and the fixing hole facilitates the insertion of the fixing block 63 to fix the square plug block 62 .

[0047] Specifically, the positioning assembly 9 includes a support 91, a movable plate 92, a positioning trapezoidal screw rod 93, a positioning turn handle 94, a fastening assembly 95 and a positioning plate 96, wherein a support 91 is arranged in the middle of the base 1, a movable plate 92 is arranged inside the support 91, the internal thread of the movable plate 92 is connected with the positioning trapezoidal screw rod 93, a positioning turn handle 94 is arranged at one end of the positioning trapezoidal screw rod 93, a fastening assembly 95 is arranged below the movable plate 92, and a positioning plate 96 is arranged below the fastening assembly 95.

[0048] By adopting the above technical solution, after the device is moved, the positioning handle 94 is rotated. The rotation of the positioning handle 94 will drive the positioning trapezoidal screw 93 to rotate. The rotation of the positioning trapezoidal screw 93 will drive the moving plate 92 to move downward, thereby driving the fastening assembly 95 and the positioning plate 96 to move downward, and positioning the device. When the device is in use, the device can be positioned after the device is moved, so that the device has high working stability and improves the practicality of use.

[0049] Specifically, the fastening assembly 95 includes a fastening seat 951, a fastening spring 952 and a fastening pad 953, wherein the fastening seat 951 is arranged below the movable plate 92, the fastening spring 952 is arranged at the connection between the positioning plate 96 and the fastening seat 951, and the fastening pad 953 is arranged below the positioning plate 96.

[0050] By adopting the above technical solution, when the fastening assembly 95 is in use, when the positioning plate 96 abuts against the ground, the positioning plate 96 will move inside the fastening seat 951 to compress the fastening spring 952 and cooperate with the fastening pad 953, so that the positioning effect is good.

[0051] Specifically, limit sliders are provided on both sides of the positioning plate 96, and a limit slide bar is slidably disposed in the middle of the limit sliders.

[0052] By adopting the above technical solution, the limiting slider and the limiting slide rod cooperate with each other, so as to limit the moving range of the positioning plate 96.

[0053] The structure and use principle of the transverse movement component 3, the driving component 4 and the adjusting component 5 in the present invention have been disclosed in a municipal water pipeline inner wall cleaning device disclosed in Chinese patent application No. 202220107410.6, and its working principle is: first, the municipal water pipeline inner wall cleaning device is placed at the desired location, and the second motor is connected to the forward and reverse circuit according to the instruction manual, the user rotates the rotating rod, the rotating rod drives the rotating shaft to rotate, the rotating shaft drives the first screw to rotate, the first screw drives the slider to move, the slider drives the connecting plate to move, the connecting plate drives the motor, the connecting sleeve and the connecting column to move, so that the bristles are inserted into the water pipeline, and then the user turns on the second motor, the output end of the second motor drives the rotating column to rotate, the rotating column drives the second screw to move, the second screw drives the circular plate to move, the circular plate drives the adjusting rod to rotate, the adjusting rod drives the second connecting block to move, the second connecting block drives the support rod to rotate, the support rod drives the adjusting plate to rotate, so that the bristles contact the inner wall of the water pipeline, and then the user turns on the first motor, the first motor drives the connecting column to rotate, and the connecting column drives the bristles to rotate, thereby cleaning the inner wall of the water pipeline.

[0054] Working principle and use process of the present invention: The present invention is used to clean the inner wall of the water pipeline. When in use, the device is moved to the use position by the roller 8, and the device is positioned by the positioning component 9 so that the device can be stably placed, and then the device is adjusted to a suitable height by the lifting component 2, and then the cleaning brush 7 is driven to move into the water pipeline by the lateral movement component 3, and then the cleaning brush 7 is driven to move by the adjustment component 5 so that it abuts against the inner wall of the water pipeline, and then the multifunctional cleaning brush 7 is driven to rotate by the driving component 4 to perform cleaning work. When the cleaning brush 7 needs to be replaced, the cleaning brush 7 can be quickly disassembled and assembled by the convenient disassembly component 6;

[0055] When the lifting assembly 2 is in use, the height of the device is adjusted according to the needs of use, and the lifting handle 23 is rotated. The lifting handle 23 rotates to drive the rotating rod 22 to rotate, and the rotating rod 22 rotates to drive the bevel gear 25 to rotate, and the bevel gear 25 rotates to drive the bevel gear 1 24 to rotate, and the bevel gear 1 24 rotates to drive the lifting trapezoidal screw 26 to rotate, and the lifting trapezoidal screw 26 rotates to drive the square slider 27 to move, and the square slider 27 moves to drive the lifting plate 28 to move, so as to adjust the height of the device, so that the height of the device can be conveniently adjusted when the device is in use, and the structure can be quickly adjusted when in use, so that the adjustment is convenient and the structure is practical;

[0056] When the convenient disassembly and assembly component 6 is in use, the cleaning brush 7 is damaged after long-term use, and it is replaced by pulling the pull rod 64, the pull rod 64 moves to drive the fixed block 63 to move, and the fixed block 63 moves to drive the fixed slider 65 to move and compress the fixed spring 66, so that the fixed block 63 is disengaged from the fixed hole on one side of the square plug block 62. When the pull rod 64 moves to the maximum limit, under the action of the bearing 671, the pull rod 64 is rotated, so that the limit block 672 rotates to drive one side of the stop block 673, thereby cooperating with the stop block 673 to limit the pull rod 64 to prevent it from rebounding, and then the square plug block 62 and the disassembly and assembly seat 61 can be separated, so that the cleaning brush 7 can be removed and replaced, so that when the device is in use, when the brush is damaged after long-term use, the cleaning brush 7 can be quickly removed and replaced;

[0057] When the positioning component 9 is in use, after the device is moved, the positioning handle 94 is rotated. The rotation of the positioning handle 94 will drive the positioning trapezoidal screw rod 93 to rotate. The rotation of the positioning trapezoidal screw rod 93 will drive the movable plate 92 to move downward, thereby driving the fastening component 95 and the positioning plate 96 to move downward to position the device. When the fastening component 95 is in use, when the positioning plate 96 abuts against the ground, the positioning plate 96 will move inside the fastening seat 951 to compress the fastening spring 952, and cooperate with the fastening pad 953 to achieve a good positioning effect. When the device is in use, the device can be positioned after the device is moved, which makes the device work stably and improves the practicality of use.

[0058] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water pipeline inner wall cleaning device, comprising a base, characterized in that: A lifting assembly is arranged above the base, a transverse movement assembly is arranged above the lifting assembly, a driving assembly is arranged above the transverse movement assembly, an adjusting assembly is arranged at one end of the driving assembly, a convenient disassembly and assembly assembly is arranged at one end of the adjusting assembly, a cleaning brush is arranged on one side of the convenient disassembly and assembly assembly, rollers are arranged on both sides below the base, and a positioning assembly is arranged in the middle below the base.

2. A water pipeline inner wall cleaning device according to claim 1, characterized in that: The lifting assembly includes a lifting seat, a rotating rod, a lifting handle, a bevel gear 1, a bevel gear 2, a lifting trapezoidal screw, a square slider and a lifting plate, wherein a lifting seat is arranged above the base, a rotating rod is arranged inside the lifting seat, a lifting handle is arranged at one end of the rotating rod, a bevel gear 1 is symmetrically arranged on the surface of the rotating rod, a bevel gear 2 is meshingly connected to one side of the bevel gear 1, a lifting trapezoidal screw is arranged at one end of the bevel gear 2, a square slider is threadedly connected to the surface of the lifting trapezoidal screw, and a lifting plate is arranged at one end of the square slider.

3. A water pipeline inner wall cleaning device according to claim 2, characterized in that: The surface of the lifting handle is provided with an anti-sliding block, and the anti-sliding block is arranged around it.

4. A water pipeline inner wall cleaning device according to claim 1, characterized in that: The convenient disassembly and assembly component includes a disassembly and assembly seat, a square plug block, a fixed block, a pull rod, a fixed slider, a fixed spring and a limit assembly, wherein a disassembly and assembly seat is provided at one end of the adjustment component, a square plug block is inserted above the disassembly and assembly seat, a fixed block is inserted on one side of the square plug block, a pull rod is provided at one end of the fixed block, a fixed slider is provided above the fixed block, a fixed spring is provided on one side of the fixed slider, and a limit assembly is provided at one end of the pull rod located outside the disassembly and assembly seat.

5. A water pipeline inner wall cleaning device according to claim 4, characterized in that: The limit assembly includes a bearing, a limit block and a stopper, wherein a bearing is provided at the connection between the fixed block and the pull rod, a limit block is provided on one side of the pull rod at one end outside the disassembly and assembly seat, and a stopper cooperating with the limit block is provided on one side of the disassembly and assembly seat.

6. A water pipeline inner wall cleaning device according to claim 4, characterized in that: A square plug hole matching the square plug block is provided on the top of the disassembly and assembly seat, and a fixing hole matching the fixing block is provided on one side of the square plug block.

7. A water pipeline inner wall cleaning device according to claim 1, characterized in that: The positioning assembly includes a support, a movable plate, a positioning trapezoidal screw, a positioning handle, a fastening assembly and a positioning plate, wherein a support is arranged in the middle of the base, a movable plate is arranged inside the support, a positioning trapezoidal screw is connected to the internal thread of the movable plate, a positioning handle is arranged at one end of the positioning trapezoidal screw, a fastening assembly is arranged below the movable plate, and a positioning plate is arranged below the fastening assembly.

8. A water pipeline inner wall cleaning device according to claim 7, characterized in that: The fastening assembly includes a fastening seat, a fastening spring and a fastening pad, wherein the fastening seat is arranged below the movable plate, the fastening spring is arranged at the connection between the positioning plate and the fastening seat, and the fastening pad is arranged below the positioning plate.

9. A water pipeline inner wall cleaning device according to claim 7, characterized in that: Limiting slide blocks are arranged on both sides of the positioning plate, and a limiting slide bar is slidably arranged in the middle of the limiting slide blocks.

10. A method for cleaning a water pipeline inner wall cleaning device according to any one of claims 1 to 9, characterized in that: The steps include: Step 1: When in use, the device is moved to the position of use by the roller. After the device is moved, the positioning handle is turned. The rotation of the positioning handle will drive the positioning trapezoidal screw to rotate. The rotation of the positioning trapezoidal screw will drive the moving plate to move downward, thereby driving the fastening assembly and the positioning plate to move downward to position the device. When the fastening assembly is in use, when the positioning plate abuts against the ground, the positioning plate will move inside the fastening seat to compress the fastening spring and cooperate with the fastening pad to achieve a good positioning effect. Step 2: Then adjust the device to a suitable height through the lifting assembly. When in use, turn the lifting handle, the lifting handle rotates to drive the rotating rod to rotate, the rotating rod rotates to drive the bevel gear 2 to rotate, the bevel gear 2 rotates to drive the bevel gear 1 to rotate, the bevel gear 1 rotates to drive the lifting trapezoidal screw to rotate, the lifting trapezoidal screw rotates to drive the square slider to move, the square slider moves to drive the lifting plate to move, so as to adjust the height of the device, and then drive the cleaning brush into the water supply pipe through the transverse movement assembly, and then drive the cleaning brush to move through the adjustment assembly so that it abuts against the inner wall of the water supply pipe, and then drive the cleaning brush to rotate through the driving assembly to perform cleaning work; Step 3: After long-term use, the cleaning brush is damaged and needs to be replaced. Pull the pull rod, and the pull rod moves to drive the fixed block to move. The movement of the fixed block drives the fixed slider to move and compress the fixed spring, so that the fixed block is disengaged from the fixed hole on one side of the square plug-in block. When the pull rod moves to the maximum limit, under the action of the bearing, rotate the pull rod to make the limit block rotate and drive one side of the block to cooperate with the block to limit the pull rod and prevent it from rebounding. Then the square plug-in block and the disassembly seat can be separated, so that the cleaning brush 7 can be removed for replacement.

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