Natural gas conveying pipeline cleaning equipment

Abstract

The utility model provides natural gas conveying pipeline cleaning equipment, which relates to the technical field of natural gas pipelines and comprises a conveying pipe, a cleaning mechanism is mounted in the conveying pipe and comprises a support frame, and a plurality of connecting frames are mounted at two ends of the outer side of the support frame in a circumferential array manner. Electric control tires are mounted in the connecting frames correspondingly and attached to the inner wall of the conveying pipe. A user puts the supporting frame into the conveying pipe and enables the electric control tire to be attached to the inner wall of the conveying pipe, then the water pump can inject cleaning liquid into the temporary storage groove along the water pipe and the connecting groove, the cleaning liquid is sprayed to the inner wall of the pipeline through the spray head, and then when the electric control tire drives the supporting frame to move, the cleaning liquid is sprayed to the inner wall of the pipeline through the spray head. And the motor controls the rotating ring and the scraping plate to rotate, so that the scraping plate is matched with the cleaning liquid to clean the inner wall of the pipeline more simply and conveniently.

Description

Technical Field

[0001] This utility model relates to the field of natural gas pipeline technology, and more specifically, to a cleaning device for natural gas transmission pipelines. Background Technology

[0002] Natural gas pipelines refer to pipelines that transport natural gas from extraction sites or processing plants to urban gas distribution centers or industrial users; they are also known as gas transmission pipelines. When natural gas pipelines are used for extended periods, they often require cleaning equipment for maintenance. For example, a natural gas pipeline cleaning device proposed in application number "CN201810085509.9" includes a natural gas pipeline, a scrubbing belt, a transmission belt, a transmission main unit, a fixed upright arm, a drag sleeve, a controller, a guide valve, and a push rod. The beneficial effects of this invention are as follows: The transmission main unit is moved by the push rod, and the rotation of the moving wheel at the bottom of the main transmission mechanism drives the first meshing wheel to drive the water supply structure to control the water spraying device. The second meshing wheel drives the bidirectional transmission mechanism to move bidirectionally, thereby causing the linkage mechanism and the third transmission mechanism to control the reciprocating rotation of the fourth transmission mechanism. The transmission belt drives the scrubbing belt to reciprocate and rotate for scrubbing, and combined with the rinsing of the water spraying device, it greatly improves the cleaning quality and efficiency of the natural gas pipeline, reduces labor intensity, eliminates the need for manual scrubbing, and is more convenient to use.

[0003] However, while the above-mentioned technical solutions can clean the pipeline, they can only clean the outer surface of the pipeline and cannot clean the inner wall. As a result, the inner wall of the pipeline still has dirt and blockages accumulated over a long period of use, which cannot be cleaned. Therefore, we propose a natural gas transmission pipeline cleaning device to solve the above problems. Utility Model Content

[0004] The main objective of this invention is to provide a natural gas pipeline cleaning device that solves the problem that although it can clean the pipeline, it can only clean the outer surface of the pipeline and cannot clean the inner wall of the pipeline, thus leaving the inner wall of the pipeline with dirt and blockages accumulated over a long period of use, which cannot be cleaned.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A natural gas pipeline cleaning device includes a delivery pipe with a cleaning mechanism installed inside. The cleaning mechanism includes a support frame, with several connecting frames arranged in a circular array at both ends of the outer side of the support frame. Electrically controlled tires are installed inside each connecting frame, and these tires are in contact with the inner wall of the delivery pipe. A rotating ring is movably installed at one end of the outer side of the support frame, and several electrically driven push rods are installed inside the rotating ring. Scrapers are installed at the output ends of the electrically driven push rods, and these scrapers are movably located inside the delivery pipe and are in contact with the inner wall of the delivery pipe.

[0007] Preferably, extension frames are installed on both sides of the support frame, and temporary storage slots are provided inside the extension frames. A connecting slot is provided through the middle of the support frame, and the two ends of the connecting slot are respectively connected to the temporary storage slots.

[0008] Preferably, a number of nozzles are installed on the outer side of the extension frame, and the nozzles are connected to the temporary storage tank. An extension block is installed at the lower end of the support frame and on the side away from the rotating ring. A water pipe is installed through the inside of the extension block. The upper end of the water pipe is connected to the connecting groove, and the lower end of the water pipe is connected to an external water pump.

[0009] Preferably, the outer side of the support frame and the end away from the extension block is provided with an annular groove, the rotating ring is engaged and installed inside the annular groove, and sealing frames are respectively installed on both sides of the rotating ring, the sealing frames and the support frame are engaged and connected.

[0010] Preferably, the annular groove has limiting grooves on both sides inside, and the rotating ring is installed with limiting rings on both sides inside the annular groove. The limiting rings are respectively engaged and installed inside the limiting grooves. A collector ring is installed inside the limiting groove near the extension block, and several carbon brushes are installed on the surface of the limiting ring near the collector ring. The carbon brushes are connected to the electric push rod through wires.

[0011] Preferably, the lower inner end of the rotating ring is provided with a locking groove, and a plurality of teeth are installed in a circular array inside the locking groove. A gear is movably installed between the locking groove and the annular groove, and the gear and the teeth are meshed together. A rotating rod is movably installed through the annular groove, and the rod body is fixedly installed through the gear. A motor is installed at one end of the support frame, and the output end of the motor is connected to the rotating rod. The motor and the electric push rod are connected to an external control terminal via a signal, and the motor and the slip ring are connected to an external power source via a wire.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] (1) In this utility model, the user places the support frame inside the delivery pipe and makes the electric control tire fit against the inner wall of the delivery pipe. Then the water pump can inject the cleaning liquid into the storage tank along the water pipe and the connecting groove. The cleaning liquid is sprayed onto the inner wall of the pipe through the nozzle. When the electric control tire moves the support frame, the motor will control the rotating ring and scraper to rotate, so that the scraper can clean the inner wall of the pipe in conjunction with the cleaning liquid, which is more convenient.

[0014] (2) In this utility model, the scraper and the inner wall of the conveying pipe are pushed together by an electric push rod, and then the rotating ring is controlled to rotate 360° by the cooperation of gears and teeth, so that the scraper can scrape and clean the inside of the conveying pipe in all directions with the cleaning liquid, thereby improving the overall cleaning efficiency and cleaning effect. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of a natural gas transmission pipeline cleaning device according to the present invention;

[0016] Figure 2 This is a front view structural diagram of a natural gas transmission pipeline cleaning device according to the present invention;

[0017] Figure 3 This is a side view of a natural gas pipeline cleaning device according to the present invention.

[0018] Figure 4 This utility model relates to a cleaning device for natural gas transmission pipelines. Figure 2 Schematic diagram of the cross-sectional structure at point AA;

[0019] Figure 5 This utility model relates to a cleaning device for natural gas transmission pipelines. Figure 3 Schematic diagram of the cross-sectional structure at point BB;

[0020] Figure 6 This utility model relates to a cleaning device for natural gas transmission pipelines. Figure 5 Enlarged structural diagram at point C.

[0021] In the diagram: 1. Delivery pipe; 2. Cleaning mechanism; 201. Support frame; 202. Connecting frame; 203. Electric tire; 204. Extension frame; 205. Connecting groove; 206. Temporary storage groove; 207. Nozzle; 208. Extension block; 209. Water pipe; 210. Annular groove; 211. Limiting groove; 212. Rotating ring; 213. Sealing frame; 214. Electric push rod; 215. Scraper; 216. Collector ring; 217. Carbon brush; 218. Engaging groove; 219. Gear; 220. Rotating rod; 221. Motor; 222. Tooth; 223. Limiting ring. Detailed Implementation

[0022] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0023] like Figures 1 to 6 As shown in the figure, this utility model embodiment proposes a natural gas pipeline cleaning device, including a conveying pipe 1. A cleaning mechanism 2 is installed inside the conveying pipe 1. The cleaning mechanism 2 includes a support frame 201. Several connecting frames 202 are circumferentially arranged at both ends of the outer side of the support frame 201. Electric control tires 203 are installed inside the connecting frames 202 respectively. The electric control tires 203 are in contact with the inner wall of the conveying pipe 1. A rotating ring 212 is movably installed at one end of the outer side of the support frame 201. Several electric push rods 214 are installed inside the rotating ring 212. Scrapers 215 are installed at the output ends of the electric push rods 214 respectively. The scrapers 215 are movably located inside the conveying pipe 1 and are in contact with the inner wall of the conveying pipe 1.

[0024] like Figures 4 to 6As shown, in another embodiment of this utility model, extension frames 204 are respectively installed on both sides of the support frame 201. Temporary storage slots 206 are respectively provided inside the extension frames 204. A connecting slot 205 is provided through the middle of the support frame 201, and both ends of the connecting slot 205 are respectively connected to the temporary storage slots 206. A plurality of nozzles 207 are respectively installed on the outer side of the extension frames 204, and the nozzles 207 are connected to the temporary storage slots 206. An extension block 208 is installed at the lower end of the support frame 201, on the side away from the rotating ring 212. A water pipe 209 is installed through the interior of the support frame 208. The upper end of the water pipe 209 is connected to the connecting groove 205, and the lower end of the water pipe 209 is connected to an external water pump. An annular groove 210 is provided on the outer side of the support frame 201 away from the extension block 208. A rotating ring 212 is engaged and installed inside the annular groove 210. Sealing frames 213 are installed on both sides of the rotating ring 212. The sealing frames 213 are engaged and connected to the surface of the support frame 201. Limiting grooves 211 are provided on both sides of the interior of the annular groove 210. The rotating ring 212 is positioned... Limiting rings 223 are installed on both sides inside the annular groove 210. The limiting rings 223 are respectively engaged inside the limiting groove 211. A collector ring 216 is installed inside the limiting groove 211 near the extension block 208. Several carbon brushes 217 are installed on the surface of the limiting ring 223 near the collector ring 216. The carbon brushes 217 are connected to the electric push rod 214 through wires. The lower end of the rotating ring 212 is provided with a locking groove 218. Several teeth 222 are installed in a circular array inside the locking groove 218. The locking groove 218 engages with the ring. A gear 219 is movably installed between the grooves 210, and the gear 219 meshes with the teeth 222. A rotating rod 220 is movably installed inside the annular groove 210, and the rod body of the rotating rod 220 is fixedly installed inside the gear 219. A motor 221 is installed at one end inside the support frame 201, and the output end of the motor 221 is connected to the rotating rod 220. The motor 221 and the electric push rod 214 are connected to an external control terminal via a signal. The motor 221 and the slip ring 216 are connected to an external power source via a wire.

[0025] The user first places the support frame 201 inside the delivery pipe 1, ensuring the electric tire 203 is in contact with the inner wall of the delivery pipe 1. Then, the user controls the electric push rod 214 via the terminal to move the scraper 215, ensuring it is in contact with the inner wall of the delivery pipe 1. The user then controls the water pump to inject cleaning fluid along the water pipe 209 into the connecting groove 205. The cleaning fluid entering the connecting groove 205 then flows into the temporary storage tank 206. The cleaning fluid in the temporary storage tank 206 is then sprayed onto the inner wall of the delivery pipe 1 through the nozzle 207, allowing the cleaning fluid to wet the impurities on the inner wall of the delivery pipe 1. Finally, the user starts the electric tire 203 and the motor 221. The electronically controlled tire 203 drives the entire unit to move along the conveying pipe 1. Then, the motor 221 controls the gear 219 to rotate through the rotating rod 220. The gear 219 then drives the rotating ring 212 and the limiting ring 223 to rotate through the teeth 222. The rotating ring 212 drives the scraper 215 to scrape and clean inside the conveying pipe 1. The nozzle 207 close to the scraper 215, together with the cleaning fluid, wets the impurities inside the conveying pipe 1, making it easier for the scraper 215 to scrape and clean. Then, the nozzle 207 away from the scraper 215, together with the cleaning fluid, rinses the impurities after scraping and cleaning the inner wall of the conveying pipe 1, allowing them to flow out with the cleaning fluid and be discharged, thus achieving the cleaning work inside the conveying pipe 1.

[0026] The electric push rod 214 is powered by carbon brush 217 and slip ring 216 instead of wires, so that the electric push rod 214 can still stably push the scraper 215 to scrape while rotating with the rotating ring 212, avoiding the situation where the wires are tangled due to the long-term rotation of the rotating ring 212.

[0027] The sealing frame 213 is used to isolate the cleaning fluid and impurities that fall during scraping, preventing impurities from entering the interior of the annular groove 210 and causing damage to the slip ring 216 and carbon brush 217, thereby improving the overall safety performance.

[0028] The working principle of this natural gas pipeline cleaning equipment:

[0029] In use, the user first places the support frame 201 inside the delivery pipe 1, ensuring the electric tire 203 is in contact with the inner wall of the delivery pipe 1. Then, the user uses the terminal to control the electric push rod 214 to move the scraper 215, ensuring it is in contact with the inner wall of the delivery pipe 1. The user then controls the water pump to inject cleaning fluid along the water pipe 209 into the connecting groove 205. The cleaning fluid entering the connecting groove 205 then flows into the temporary storage tank 206. The cleaning fluid in the temporary storage tank 206 is then sprayed onto the inner wall of the delivery pipe 1 through the nozzle 207, wetting the impurities on the inner wall of the delivery pipe 1. Finally, the user starts the electric tire 203 and the motor 2... 21. The electronically controlled tire 203 drives the entire assembly to move along the conveying pipe 1. Then, the motor 221 controls the gear 219 to rotate through the rotating rod 220. The gear 219 then drives the rotating ring 212 and the limiting ring 223 to rotate through the teeth 222. The rotating ring 212 drives the scraper 215 to scrape and clean inside the conveying pipe 1. The nozzle 207 near the scraper 215, together with the cleaning fluid, wets the impurities inside the conveying pipe 1, making it easier for the scraper 215 to scrape and clean. Then, the nozzle 207 away from the scraper 215, together with the cleaning fluid, rinses the impurities after scraping and cleaning the inner wall of the conveying pipe 1, allowing them to flow out with the cleaning fluid and be discharged, thus achieving the cleaning work inside the conveying pipe 1.

[0030] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. For those skilled in the art, other variations or modifications can be made based on the above description. It is impossible to exhaustively list all the implementation methods here. Any obvious variations or modifications derived from the technical solutions of this utility model are still within the protection scope of this utility model.

Claims

1. A natural gas transport pipeline cleaning apparatus comprising a transport pipe (1), characterized in that: The inside of the conveying pipe (1) is internally provided with a cleaning mechanism (2), the cleaning mechanism (2) comprises a support frame (201), the outer side of the support frame (201) is circumferentially provided with a plurality of connecting frames (202), the inner side of the connecting frame (202) is respectively provided with an electric control tire (203), the electric control tire (203) is attached to the inner wall of the conveying pipe (1), the outer side of the support frame (201) is movably provided with a rotating ring (212), the inside of the rotating ring (212) is provided with a plurality of electric push rods (214), the output end of the electric push rod (214) is respectively provided with a scraper (215), the scraper (215) is movably arranged in the inside of the conveying pipe (1), and the scraper (215) is attached to the inner wall of the conveying pipe (1).

2. A natural gas pipeline cleaning apparatus as defined in claim 1, wherein: The both sides of the support frame (201) are respectively provided with an extension frame (204), the inner side of the extension frame (204) is respectively provided with a temporary storage groove (206), the inside of the support frame (201) is provided with a connecting groove (205), and the both ends of the connecting groove (205) are respectively connected with the temporary storage groove (206).

3. A natural gas pipeline cleaning apparatus as defined in claim 2, wherein: The outer side of the extension frame (204) is respectively provided with a plurality of spray heads (207), the spray head (207) is connected with the temporary storage groove (206), the lower end of the support frame (201) and the side away from the rotating ring (212) is provided with an extension block (208), the inside of the extension block (208) is provided with a water pipe (209), the upper end of the water pipe (209) is connected with the connecting groove (205), and the lower end of the water pipe (209) is connected with an external water pump.

4. A natural gas pipeline cleaning apparatus as defined in claim 1, wherein: The outer side of the support frame (201) and the side away from the extension block (208) is provided with an annular groove (210), the rotating ring (212) is clampedly arranged in the inside of the annular groove (210), the both sides of the rotating ring (212) are respectively provided with a sealing frame (213), and the sealing frame (213) is clampedly connected with the surface of the support frame (201).

5. A natural gas pipeline cleaning apparatus as defined in claim 4, wherein: The both sides of the inside of the annular groove (210) are respectively provided with a limiting groove (211), the both sides of the rotating ring (212) arranged in the inside of the annular groove (210) are respectively provided with a limiting ring (223), the limiting ring (223) is clampedly arranged in the inside of the limiting groove (211), the inside of the limiting groove (211) close to the extension block (208) is provided with a current collecting ring (216), the surface of the limiting ring (223) close to the current collecting ring (216) is provided with a plurality of carbon brushes (217), and the carbon brush (217) is connected with the electric push rod (214) through a wire.

6. A natural gas pipeline cleaning apparatus as defined in claim 5, wherein: The inner lower end of the rotating ring (212) is provided with a clamping groove (218), the inner circumference of the clamping groove (218) is provided with a plurality of teeth (222), the clamping groove (218) and the annular groove (210) are movably provided with a gear (219), the gear (219) is in meshing connection with the teeth (222), the inner part of the annular groove (210) is movably provided with a rotating rod (220), the rod body of the rotating rod (220) is fixedly provided in the inner part of the gear (219), one end of the support frame (201) is provided with a motor (221), the output end of the motor (221) is connected with the rotating rod (220), the motor (221) and the electric push rod (214) are connected with the external control terminal through signals, the motor (221) and the current collector ring (216) are connected with the external power supply through wires.

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