Internal cleaning device for drainage pipe of gas pipeline

Abstract

The invention relates to the technical field of cleaning, in particular to a gas pipeline drainage pipe interior cleaning device which comprises a cleaning assembly. The cleaning assembly comprises a connecting cylinder, two guide rods, a mounting plate, a lead screw, a motor, a sliding block, two connecting rods, a mounting base, a rotating shaft and a cleaning brush. During use, the motor drives the lead screw to rotate and drives the sliding block to slide downwards, the sliding block drives the cleaning brush at the bottommost end to move downwards into the drainage pipe and then continuously move downwards, the cleaning brush brushes away stubborn dregs attached to the inner wall of the drainage pipe, and the motor drives the lead screw to rotate reversely and drives the cleaning brush to move upwards. Therefore, the cleaning brush can reciprocate in the drainage pipe for several times, the inner wall of the drainage pipe is repeatedly brushed for several times, and after brushing is completed, the cleaning brush moves upwards and is stored in the connecting cylinder. Therefore, stubborn dregs adhered to the interior of the drainage pipe can be cleaned.

Description

Technical Field

[0001] The invention relates to the technical field of cleaning, and in particular to a device for cleaning the inside of a gas pipeline drainage pipe. Background Art

[0002] When coke oven gas is being transported, a drain pipe is connected to the bottom of the gas pipeline in order to discharge condensed water. The bottom of the drain pipe is connected to a drainer. However, since coke oven gas contains a lot of residue, the inside of the drain pipe needs to be cleaned regularly to prevent residue from accumulating in the drain pipe.

[0003] The prior art generally uses a plurality of nozzles to flush the inside of the drain pipe, flushing the slag into the drainer below, and then discharging it from the sewage outlet of the drainer.

[0004] However, the above method, which uses only a nozzle to flush, cannot clean out some stubborn debris stuck inside the drain pipe, and the cleaning is not thorough enough. Summary of the invention

[0005] The purpose of the present invention is to provide a gas pipeline drainage pipe internal cleaning device, which can clean the stubborn residues adhered to the inside of the drainage pipe.

[0006] To achieve the above-mentioned purpose, the present invention provides a gas pipeline drainage pipe internal cleaning device, which is used to clean the drainage pipe at the bottom of the gas pipeline;

[0007] Includes cleaning components;

[0008] The cleaning assembly includes a connecting tube, two guide rods, a mounting plate, a lead screw, a motor, a slider, two connecting rods, a mounting seat, a rotating shaft and a cleaning brush;

[0009] The connecting tube is connected and arranged on the top of the gas pipeline; the two guide rods are respectively fixedly arranged on the bottom of the connecting tube; the mounting plate is fixedly arranged on the top of the two guide rods; the screw rod is rotatably connected to the connecting tube and the mounting plate, and is located between the connecting tube and the mounting plate; the motor is fixedly arranged on the top of the mounting plate, and the output end of the motor is fixedly connected to the screw rod; the slider is slidably connected to the two guide rods respectively, and is threadedly connected to the screw rod, and is penetrated by the two guide rods and the screw rod; the two connecting rods are respectively fixedly connected to the slider, and are respectively slidably connected to the connecting tube, and respectively pass through the connecting tube; the mounting seat is fixedly arranged on the bottom of the two connecting rods; the rotating shaft is rotatably arranged on the mounting seat and passes through the mounting seat; the cleaning brush is fixedly arranged at the bottom of the rotating shaft.

[0010] Wherein, the cleaning assembly further comprises a water supply pipe and a water supply valve;

[0011] The water supply pipe is arranged in communication with one side of the drainage pipe; and the water supply valve is arranged on the water supply pipe.

[0012] Wherein, the connecting tube comprises a connecting pipe, a flange, a connecting plate, a plurality of bolts and a plurality of nuts;

[0013] The connecting pipe is connected and arranged on the top of the gas pipeline; the flange is fixedly arranged on the top of the connecting pipe; the connecting plate is located above the flange; the plurality of bolts pass through the flange and the connecting plate respectively; and the plurality of nuts are threadedly arranged on the plurality of bolts respectively.

[0014] Wherein, the connecting tube further comprises a first sealing ring;

[0015] The first sealing ring is fixedly arranged on the top of the flange and is located between the flange and the connecting plate.

[0016] Wherein, the cleaning assembly further comprises a rack, a first bracket, a first mounting shaft, a spur gear, a second bracket, a second mounting shaft, a driving pulley, a driven pulley, a transmission belt, a driving bevel gear and a driven bevel gear;

[0017] The rack is fixedly connected to the mounting plate and to the connecting disk, and is located between the mounting plate and the connecting disk; the first bracket is fixedly arranged on one side of the slider; the first mounting shaft is rotatably arranged on the first bracket; the spur gear is fixedly arranged on the first mounting shaft and meshes with the rack; the second bracket is fixedly arranged on the top of the mounting seat; the second mounting shaft is rotatably arranged on the second bracket; the driving pulley is fixedly arranged on the first mounting shaft; the driven pulley is fixedly arranged on the second mounting shaft; the transmission belt is sleeved on the driving pulley and the driven pulley; the driving bevel gear is fixedly arranged on the second mounting shaft; the driven bevel gear is fixedly arranged on the rotating shaft and meshes with the driving bevel gear.

[0018] Wherein, an annular groove is arranged on the top of the connecting plate; the cleaning assembly further comprises a sealing cylinder, a right column, a left column, a stopper and a locking screw;

[0019] The sealing cylinder is located at the top of the connecting disk, and the bottom end of the sealing cylinder is located in the annular groove; the right column is fixedly arranged on the top of the connecting disk; the left column is fixedly arranged on the top of the connecting disk; one end of the stopper is rotatably connected to the right column, and the other end of the stopper is located at the top of the left column; the locking screw is threadedly connected to the stopper and passes through the left column.

[0020] Wherein, the cleaning assembly further includes a second sealing ring;

[0021] The second sealing ring is located in the annular groove.

[0022] Wherein, the cleaning brush comprises a mounting block, a plurality of scrapers and an annular brush;

[0023] The mounting block is fixedly arranged at the bottom of the rotating shaft; the plurality of scrapers are respectively fixedly arranged at the sides of the mounting block; and the annular brush is fixedly arranged on the mounting block.

[0024] The present invention relates to a gas pipeline drainage pipe internal cleaning device, wherein the connecting cylinder is connected and arranged at the top of the gas pipeline, facing the drainage pipe below, the mounting plate is installed on the top of the two guide rods for mounting the motor, the two guide rods also guide the slider, the motor drives the screw rod to rotate, and then the slider can be driven to slide and rise along the two guide rods, there are two mounting holes on the top of the connecting cylinder for slidingly mounting the two connecting rods, the bottom ends of the two connecting rods are located in the connecting cylinder, and the mounting seat is installed, and the cleaning brush is installed on the mounting seat through the rotating shaft, Therefore, when in use, the motor drives the screw rod to rotate and drives the slider to slide down, and the slider drives the cleaning brush at the bottom to move down into the drain pipe, and then continues to move down, and the cleaning brush brushes off the more stubborn residues adhering to the inner wall of the drain pipe. The motor drives the screw rod to rotate in the opposite direction, thereby driving the cleaning brush to move up, so the cleaning brush can be reciprocated and lifted up several times in the drain pipe, and the inner wall of the drain pipe can be reciprocated and brushed several times. After brushing is completed, the cleaning brush moves up and is stored in the connecting tube; thereby, the more stubborn residues adhering to the inside of the drain pipe can be cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0026] Figure 1 The present invention is a schematic structural diagram of a gas pipeline drainage pipe internal cleaning device.

[0027] Figure 2 yes Figure 1 A partial enlargement of detail A.

[0028] Figure 3 yes Figure 1 A partial enlargement of detail B.

[0029] Figure 4 It is a cross-sectional view of a gas pipeline drainage pipe internal cleaning device of the present invention.

[0030] Figure 5 yes Figure 4 A partial enlargement of detail C.

[0031] Figure 6 yes Figure 4 A partial enlargement of detail D.

[0032] Figure 7 It is another cross-sectional view of a gas pipeline drainage pipe internal cleaning device of the present invention.

[0033] Figure 8 yes Figure 7 A partial enlargement of detail E.

[0034] Fig. 9 yes Figure 7 A partial enlargement of detail F.

[0035] 1-gas pipeline, 2-drain pipe, 3-connecting tube, 4-guide rod, 5-mounting plate, 6-screw rod, 7-motor, 8-slider, 9-connecting rod, 10-mounting seat, 11-rotating shaft, 12-cleaning brush, 13-water supply pipe, 14-water supply valve, 15-rack, 16-first bracket, 17-first mounting shaft, 18-spur gear, 19-second bracket, 20-second mounting shaft, 21-driving pulley, 22-driven pulley, 23 - transmission belt, 24- driving bevel gear, 25- driven bevel gear, 26- sealing cylinder, 27- right column, 28- left column, 29- stopper, 30- locking screw, 31- second sealing ring, 301- connecting pipe, 302- flange, 303- connecting plate, 304- bolt, 305- nut, 306- first sealing ring, 3031- annular groove, 1201- mounting block, 1202- scraper, 1203- annular brush. DETAILED DESCRIPTION

[0036] See also Figure 1-Figure 9 ,in, Figure 1 The present invention is a schematic structural diagram of a gas pipeline drainage pipe internal cleaning device. Figure 2 yes Figure 1 A partial enlargement of detail A. Figure 3 yes Figure 1 A partial enlargement of detail B. Figure 4 It is a cross-sectional view of a gas pipeline drainage pipe internal cleaning device of the present invention. Figure 5 yes Figure 4 A partial enlargement of detail C. Figure 6 yes Figure 4 A partial enlargement of detail D. Figure 7 It is another cross-sectional view of a gas pipeline drainage pipe internal cleaning device of the present invention. Figure 8 yes Figure 7 A partial enlargement of detail E. Fig. 9 yes Figure 7 A partial enlargement of detail F.

[0037] The present invention provides a gas pipeline drainage pipe internal cleaning device, which is used for cleaning the drainage pipe 2 at the bottom of the gas pipeline 1; it includes a cleaning assembly; the cleaning assembly includes a connecting tube 3, two guide rods 4, a mounting plate 5, a screw rod 6, a motor 7, a slider 8, two connecting rods 9, a mounting seat 10, a rotating shaft 11 and a cleaning brush 12; the cleaning assembly also includes a water supply pipe 13 and a water supply valve 14; the connecting tube 3 includes a connecting pipe 301, a flange 302, a connecting plate 303, a plurality of bolts 304 and a plurality of nuts 305; the connecting tube 3 also includes a first sealing ring 306; the cleaning assembly also includes a rack 15, a first bracket 1 6. A first mounting shaft 17, a spur gear 18, a second bracket 19, a second mounting shaft 20, a driving pulley 21, a driven pulley 22, a transmission belt 23, a driving bevel gear 24 and a driven bevel gear 25; an annular groove 3031 is provided on the top of the connecting plate 303; the cleaning assembly also includes a sealing cylinder 26, a right column 27, a left column 28, a block 29 and a locking screw 30; the cleaning assembly also includes a second sealing ring 31; the cleaning brush 12 includes a mounting block 1201, a plurality of scrapers 1202 and an annular brush 1203; the above scheme can clean the stubborn residues adhering to the inside of the drain pipe 2.

[0038] Furthermore, the connecting tube 3 is connected and arranged at the top of the gas pipeline 1; the two guide rods 4 are respectively fixedly arranged at the bottom of the connecting tube 3; the mounting plate 5 is fixedly arranged at the top of the two guide rods 4; the screw rod 6 is rotatably connected to the connecting tube 3 and the mounting plate 5, and is located between the connecting tube 3 and the mounting plate 5; the motor 7 is fixedly arranged at the top of the mounting plate 5, and the output end of the motor 7 is fixedly connected to the screw rod 6; the slider 8 is slidably connected to the two guide rods 4 respectively, and is threadedly connected to the screw rod 6, and is penetrated by the two guide rods 4 and the screw rod 6; the two connecting rods 9 are respectively fixedly connected to the slider 8, and are respectively slidably connected to the connecting tube 3, and respectively pass through the connecting tube 3; the mounting seat 10 is fixedly arranged at the bottom of the two connecting rods 9; the rotating shaft 11 is rotatably arranged on the mounting seat 10 and passes through the mounting seat 10; the cleaning brush 12 is fixedly arranged at the bottom of the rotating shaft 11.

[0039] In this embodiment, the connecting cylinder 3 is connected and arranged at the top of the gas pipeline 1, facing the drain pipe 2 below. The mounting plate 5 is installed on the top of the two guide rods 4 for installing the motor 7. The two guide rods 4 also guide the slider 8. The motor 7 drives the screw rod 6 to rotate, which can drive the slider 8 to slide and rise along the two guide rods 4. There are two mounting holes on the top of the connecting cylinder 3 for slidingly installing the two connecting rods 9. The bottom ends of the two connecting rods 9 are located in the connecting cylinder 3, and the mounting seat 10 is installed. The cleaning brush 12 is installed on the mounting seat 10 through the rotating shaft 11, so when using When the drain pipe 2 is in the working state, the motor 7 drives the screw rod 6 to rotate and drives the slider 8 to slide down. The slider 8 drives the cleaning brush 12 at the bottom to move down into the drain pipe 2 and then continues to move down. The cleaning brush 12 brushes off the more stubborn residues adhering to the inner wall of the drain pipe 2. The motor 7 drives the screw rod 6 to rotate in the opposite direction, which drives the cleaning brush 12 to move up. Therefore, the cleaning brush 12 can be lifted and lowered back and forth in the drain pipe 2 several times, and the inner wall of the drain pipe 2 can be brushed back and forth several times. After brushing, the cleaning brush 12 moves up and is stored in the connecting tube 3; thereby, the more stubborn residues adhering to the inside of the drain pipe 2 can be cleaned.

[0040] Furthermore, the water supply pipe 13 is arranged in communication with one side of the drain pipe 2 ; and the water supply valve 14 is arranged on the water supply pipe 13 .

[0041] In this embodiment, the water supply pipe 13 is sealed by the water supply valve 14, and the water supply pipe 13 is externally connected to a high-pressure water source. When cleaning, the water supply valve 14 can be opened to allow clean water to flow into the drain pipe 2, and the cleaning brush 12 can be used for scrubbing.

[0042] Furthermore, the connecting pipe 301 is connected and arranged on the top of the gas pipeline 1; the flange 302 is fixedly arranged on the top of the connecting pipe 301; the connecting plate 303 is located above the flange 302; the plurality of bolts 304 pass through the flange 302 and the connecting plate 303 respectively; and the plurality of nuts 305 are threadedly arranged on the plurality of bolts 304 respectively.

[0043] In this embodiment, the connecting pipe 301 can be integrally formed with the gas pipeline 1, or installed by welding. A flange 302 is provided on the top. The flange 302 is detachably mounted with the connecting plate 303 through a plurality of bolts 304 and a plurality of nuts 305. The two guide rods 4 are fixedly mounted on the top of the connecting plate 303, and the screw rod 6 is rotatably mounted. The connecting plate 303 also has two mounting holes for slidingly mounting the two connecting rods 9.

[0044] Furthermore, the first sealing ring 306 is fixedly disposed on the top of the flange 302 and is located between the flange 302 and the connecting plate 303 .

[0045] In this embodiment, the first sealing ring 306 is used to seal the gap between the flange 302 and the connecting plate 303 .

[0046] Furthermore, the rack 15 is fixedly connected to the mounting plate 5 and to the connecting disk 303, and is located between the mounting plate 5 and the connecting disk 303; the first bracket 16 is fixedly arranged on one side of the slider 8; the first mounting shaft 17 is rotatably arranged on the first bracket 16; the spur gear 18 is fixedly arranged on the first mounting shaft 17 and meshes with the rack 15; the second bracket 19 is fixedly arranged on the top of the mounting seat 10; the second mounting shaft 20 is rotatably arranged on the second bracket 19; the driving pulley 21 is fixedly arranged on the first mounting shaft 17; the driven pulley 22 is fixedly arranged on the second mounting shaft 20; the transmission belt 23 is sleeved on the driving pulley 21 and the driven pulley 22; the driving bevel gear 24 is fixedly arranged on the second mounting shaft 20; the driven bevel gear 25 is fixedly arranged on the rotating shaft 11 and meshes with the driving bevel gear 24.

[0047] In this embodiment, the slider 8 and the mounting seat 10 are lifted and lowered synchronously, the first bracket 16 is mounted on the slider 8, and the second bracket 19 is mounted on the mounting seat 10, so the first bracket 16 and the second bracket 19 are relatively stationary; the first bracket 16 is used to rotatably mount the first mounting shaft 17, one end of the first mounting shaft 17 is mounted with the spur gear 18, and the other end is mounted with the driving pulley 21, the second bracket 19 is used to rotatably mount the second mounting shaft 20, one end of the second mounting shaft 20 is mounted with the driven pulley 22, and the other end is mounted with the driving bevel gear 24; when the slider 8 drives the mounting seat 10 to move downward, the spur gear 18 rolls downward along the rack 15, driving the The first installation shaft 17 rotates, and the first installation shaft 17 drives the active pulley 21 to rotate. The active pulley 21 drives the driven pulley 22 to rotate through the transmission belt 23, and the driven pulley 22 drives the second installation shaft 20 to rotate. The second installation shaft 20 drives the active bevel gear 24 to rotate, and the active bevel gear 24 drives the meshed driven bevel gear 25 to rotate, and the driven bevel gear 25 drives the rotating shaft 11 to rotate, and the rotating shaft 11 drives the cleaning brush 12 to rotate. Therefore, when the cleaning brush 12 is brushing in the drain pipe 2, it can be lifted and moved while rotating, thereby improving the brushing effect. It should be noted that a hole is provided on the connecting plate 303 for the transmission belt 23 to pass through.

[0048] Furthermore, the sealing cylinder 26 is located at the top of the connecting disk 303, and the bottom end of the sealing cylinder 26 is located in the annular groove 3031; the right column 27 is fixedly set at the top of the connecting disk 303; the left column 28 is fixedly set at the top of the connecting disk 303; one end of the stop block 29 is rotatably connected to the right column 27, and the other end of the stop block 29 is located at the top of the left column 28; the locking screw 30 is threadedly connected to the stop block 29 and passes through the left column 28.

[0049] In this embodiment, the bottom end of the sealing cylinder 26 is inserted into the annular groove 3031, and the block 29 is horizontally placed on the top of the sealing cylinder 26 to press the sealing cylinder 26. The right end of the block 29 is rotatably connected to the right column 27, and the left end is fixed to the left column 28 by the locking screw 30. When the sealing cylinder 26 needs to be removed, the locking screw 30 is unscrewed and the block 29 is rotated to no longer press the sealing cylinder 26.

[0050] Furthermore, the second sealing ring 31 is located in the annular groove 3031 .

[0051] In this embodiment, the second sealing ring 31 is used to seal the gap between the sealing cylinder 26 and the connecting plate 303; the first sealing ring 306 seals the gap between the flange 302 and the connecting plate 303, so that the cleaning assembly as a whole will not have gas leakage.

[0052] Furthermore, the mounting block 1201 is fixedly arranged at the bottom of the rotating shaft 11 ; the plurality of scrapers 1202 are respectively fixedly arranged on the sides of the mounting block 1201 ; and the annular brush 1203 is fixedly arranged on the mounting block 1201 .

[0053] In this embodiment, the mounting block 1201 is a flat cylinder, the annular brush 1203 is installed on the upper part of the side, and the multiple scrapers 1202 are installed on the lower part, so that when the mounting block 1201 rotates, it drives the multiple scrapers 1202 to scrape off the residue on the inner wall of the drain pipe 2, and the annular brush 1203 brushes off the residue.

[0054] The present embodiment describes a gas pipeline drainage pipe internal cleaning device, wherein the connecting tube 3 is connected and arranged at the top of the gas pipeline 1, facing the drainage pipe 2 below, and the mounting plate 5 is installed on the top of the two guide rods 4 for installing the motor 7, and the two guide rods 4 also guide the slider 8. The motor 7 drives the screw rod 6 to rotate, and then the slider 8 can be driven to slide and rise along the two guide rods 4. There are two mounting holes on the top of the connecting tube 3 for slidingly installing the two connecting rods 9. The bottom ends of the two connecting rods 9 are located in the connecting tube 3, and the mounting seat 10 is installed. The cleaning brush 1 is installed on the mounting seat 10 through the rotating shaft 11 2, so when in use, the motor 7 drives the screw rod 6 to rotate, drives the slider 8 to slide down, and the slider 8 drives the cleaning brush 12 at the bottom to move down into the drain pipe 2, and then continues to move down, and the cleaning brush 12 brushes off the more stubborn residues adhering to the inner wall of the drain pipe 2, and the motor 7 drives the screw rod 6 to rotate in the opposite direction, which drives the cleaning brush 12 to move up, so the cleaning brush 12 can be reciprocated in the drain pipe 2 for several times, and the inner wall of the drain pipe 2 is reciprocated for several times. After the brushing is completed, the cleaning brush 12 moves up and is stored in the connecting tube 3; thereby, the more stubborn residues adhering to the inside of the drain pipe 2 can be cleaned. The cleaning brush 12 can not only brush up and down, but also rotate and brush, which has a better cleaning effect.

[0055] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A gas pipeline drainage pipe internal cleaning device, used for cleaning the drainage pipe at the bottom of the gas pipeline; characterized in that: Includes cleaning components; The cleaning assembly includes a connecting tube, two guide rods, a mounting plate, a lead screw, a motor, a slider, two connecting rods, a mounting seat, a rotating shaft and a cleaning brush; The connecting tube is connected and arranged on the top of the gas pipeline; the two guide rods are respectively fixedly arranged on the bottom of the connecting tube; the mounting plate is fixedly arranged on the top of the two guide rods; the screw rod is rotatably connected to the connecting tube and the mounting plate, and is located between the connecting tube and the mounting plate; the motor is fixedly arranged on the top of the mounting plate, and the output end of the motor is fixedly connected to the screw rod; the slider is slidably connected to the two guide rods respectively, and is threadedly connected to the screw rod, and is penetrated by the two guide rods and the screw rod; the two connecting rods are respectively fixedly connected to the slider, and are respectively slidably connected to the connecting tube, and respectively pass through the connecting tube; the mounting seat is fixedly arranged on the bottom of the two connecting rods; the rotating shaft is rotatably arranged on the mounting seat and passes through the mounting seat; the cleaning brush is fixedly arranged at the bottom of the rotating shaft.

2. A gas pipeline drainage pipe internal cleaning device as claimed in claim 1, characterized in that: The cleaning assembly also includes a water supply pipe and a water supply valve; The water supply pipe is arranged in communication with one side of the drainage pipe; and the water supply valve is arranged on the water supply pipe.

3. A gas pipeline drainage pipe internal cleaning device as claimed in claim 2, characterized in that: The connecting tube comprises a connecting pipe, a flange, a connecting plate, a plurality of bolts and a plurality of nuts; The connecting pipe is connected and arranged on the top of the gas pipeline; the flange is fixedly arranged on the top of the connecting pipe; the connecting plate is located above the flange; the plurality of bolts pass through the flange and the connecting plate respectively; and the plurality of nuts are threadedly arranged on the plurality of bolts respectively.

4. A gas pipeline drainage pipe internal cleaning device as claimed in claim 3, characterized in that: The connecting tube also includes a first sealing ring; The first sealing ring is fixedly arranged on the top of the flange and is located between the flange and the connecting plate.

5. A gas pipeline drainage pipe internal cleaning device as claimed in claim 4, characterized in that: The cleaning assembly also includes a rack, a first bracket, a first mounting shaft, a spur gear, a second bracket, a second mounting shaft, a driving pulley, a driven pulley, a transmission belt, a driving bevel gear, and a driven bevel gear; The rack is fixedly connected to the mounting plate and to the connecting disk, and is located between the mounting plate and the connecting disk; the first bracket is fixedly arranged on one side of the slider; the first mounting shaft is rotatably arranged on the first bracket; the spur gear is fixedly arranged on the first mounting shaft and meshes with the rack; the second bracket is fixedly arranged on the top of the mounting seat; the second mounting shaft is rotatably arranged on the second bracket; the driving pulley is fixedly arranged on the first mounting shaft; the driven pulley is fixedly arranged on the second mounting shaft; the transmission belt is sleeved on the driving pulley and the driven pulley; the driving bevel gear is fixedly arranged on the second mounting shaft; the driven bevel gear is fixedly arranged on the rotating shaft and meshes with the driving bevel gear.

6. A gas pipeline drainage pipe internal cleaning device as claimed in claim 5, characterized in that: The top of the connecting plate is provided with an annular groove; the cleaning assembly further comprises a sealing cylinder, a right column, a left column, a stopper and a locking screw; The sealing cylinder is located at the top of the connecting disk, and the bottom end of the sealing cylinder is located in the annular groove; the right column is fixedly arranged on the top of the connecting disk; the left column is fixedly arranged on the top of the connecting disk; one end of the stopper is rotatably connected to the right column, and the other end of the stopper is located at the top of the left column; the locking screw is threadedly connected to the stopper and passes through the left column.

7. A gas pipeline drainage pipe internal cleaning device as claimed in claim 6, characterized in that: The cleaning assembly also includes a second sealing ring; The second sealing ring is located in the annular groove.

8. A gas pipeline drainage pipe internal cleaning device as claimed in claim 1, characterized in that: The cleaning brush comprises a mounting block, a plurality of scrapers and an annular brush; The mounting block is fixedly arranged at the bottom of the rotating shaft; the plurality of scrapers are respectively fixedly arranged at the sides of the mounting block; and the annular brush is fixedly arranged on the mounting block.

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