CN218441268U

CN218441268U - Gas pipeline dredging device

Info

Publication number: CN218441268U
Application number: CN202222090687.5U
Authority: CN
Inventors: 董建国; 赵兵; 王贵周; 全书侨
Original assignee: Xinxing Ductile Iron Pipes Co Ltd
Current assignee: Xinxing Ductile Iron Pipes Co Ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2023-02-03
Anticipated expiration: 2032-08-09

Abstract

The utility model provides a gas pipeline dredging device, including sleeve, dredging rod, drill bit, scraper blade, slider, elastic component and push rod. The sleeve is provided with a sliding cavity; the dredging rod is in sliding seal fit with the sliding cavity and is provided with an adjusting cavity; the drill bit is arranged at one end of the dredging rod, and the peripheral wall of the drill bit is provided with a sliding groove; the scraper is arranged in the sliding groove and provided with a first inclined surface; the sliding block is provided with a second inclined plane matched with the first inclined plane; the elastic piece is arranged in the sliding groove and is configured with pretightening force for leading the scraper to slide in the sliding groove; the push rod is slidably arranged in the adjusting cavity in a penetrating way. During the use, the sleeve is used for being connected with the ball valve on the gas pipeline of treating the mediation, and when the ball valve was opened the back, sliding chamber and gas pipeline intercommunication, dredging rod and drill bit can pass the ball valve and get into gas pipeline, because dredging rod and the sealed cooperation in sliding chamber can prevent that coal gas from the sliding chamber from leaking, prevent that operating personnel coal gas from poisoning to realize online gas pipeline mediation operation.

Description

Gas pipeline dredging device

Technical Field

The utility model belongs to the technical field of the gas piping mediation, concretely relates to gas piping mediation device.

Background

Metallurgical enterprises can produce byproduct gas during production, such as blast furnace gas, and the like, and is limited by factors such as gas purification process, cost and the like, the gas usually contains impurities such as dust and the like which are not completely filtered, and after a long time, the impurities can be accumulated in pipelines, so that blockage of gas conveying pipelines, gas pressure detection pipelines (pressure tapping pipelines), flow detection pipelines and the like is caused, and normal conveying of the gas or gas state detection is influenced. The gas pipeline that blocks up needs to be cleared up, in order to prevent the coal gas leakage, among the prior art when the gas pipeline that the clearance blockked up, need earlier stop up coal gas, then dredge, can influence normal production.

SUMMERY OF THE UTILITY MODEL

The utility model provides a gas pipeline pull throughs, aim at solving among the prior art when the gas pipeline of clearance jam, need stop up coal gas earlier, then dredge, can influence the problem of normal production.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is a gas pipeline dredging device, comprising: the sleeve is internally provided with a sliding cavity, the sleeve is provided with a first end connected with the ball valve and a second end opposite to the first end, and the sliding cavity penetrates through the first end and the second end; the peripheral surface of the dredging rod is in sliding seal fit with the sliding cavity, and an adjusting cavity which is communicated along the sliding direction is formed on the dredging rod; the drill bit is coaxially arranged at one end of the dredging rod, and a sliding groove communicated with the adjusting cavity is formed in the outer peripheral wall of the drill bit; the scraping plate is inserted into the sliding groove in a sliding mode along the radial direction of the drill bit, and one end, close to the dredging rod, of the scraping plate is provided with a first inclined surface; the sliding block is arranged in the sliding groove in a sliding fit manner along the axial direction of the drill bit and is provided with a second inclined surface matched with the first inclined surface; the elastic piece is arranged in the sliding groove, two ends of the elastic piece are respectively connected to the inner wall of the sliding groove and the scraper, and the elastic piece is configured with pretightening force for enabling the scraper to slide towards the sliding groove; and the push rod penetrates through the adjusting cavity in a sliding mode, and one end of the push rod can be in contact with one side, close to the dredging rod, of the sliding block.

In a possible implementation manner, one end of the sleeve, which is adjacent to the drill bit, is provided with a flange connecting plate, and the flange connecting plate is provided with a mounting hole.

In a possible implementation manner, the end face of the flange connecting plate surrounds the opening of the sliding cavity and is provided with a first sealing groove, and a first sealing ring is arranged in the sealing groove.

In one possible implementation, the dredge rod comprises a dredge rod main body and a piston assembly arranged on the periphery of the dredge rod main body, and the piston assembly is in sliding sealing fit with the adjusting cavity.

In a possible implementation manner, the piston assembly comprises a plurality of piston bodies arranged at intervals along the axial direction of the dredging rod main body, and the plurality of piston bodies are respectively in sliding sealing fit with the inner wall of the sliding cavity.

In a possible implementation manner, an annular second sealing groove is formed in the peripheral wall of the piston body, and a second sealing ring is arranged in the second sealing groove.

In a possible implementation manner, the gas pipeline dredging device further comprises a positioning piece arranged on the push rod, and the positioning piece is used for limiting the axial movement of the push rod.

In a possible implementation manner, a first positioning hole communicated with the adjusting cavity is formed in the side wall of the dredging rod, a second positioning hole corresponding to the first positioning hole is formed in the push rod, and the positioning piece is detachably inserted into the positioning pin arranged in the first positioning hole and the second positioning hole.

In a possible implementation manner, the drill bit is provided with a plurality of sliding grooves around the axis of the drill bit, and the scrapers correspond to the sliding grooves one to one.

In one possible implementation, the elastic member is a spring.

Compared with the prior art, the utility model provides a gas pipeline pull throughs's beneficial effect is: the utility model provides a gas pipeline pull throughs includes the sleeve, dredge pole, the drill bit, the scraper blade, the slider, elastic component and push rod, during the use, the sleeve is used for and treats the ball valve connection on the gas pipeline of mediation, after the ball valve is opened, slip chamber and gas pipeline intercommunication, dredge pole and drill bit can pass the ball valve and get into gas pipeline, because dredge pole and the sealed cooperation in slip chamber, can prevent that coal gas from leaking from the slip chamber, prevent that operating personnel coal gas from being poisoned, can not shut down and carry out online gas pipeline mediation operation, guarantee normal production.

When the drill bit reaches the blocking position, the push rod is controlled to push the sliding block, the sliding block pushes the scraper to extend outwards to be in contact with the inner wall of the gas pipeline, the dredging rod is controlled to rotate, impurities adhered to the inner wall of the gas pipeline are scraped completely in the rotating process of the drill bit and the scraper, and the pipeline is dredged. After the mediation is accomplished, withdraw the push rod, the scraper blade inwards withdraws under the effect of elastic component, can guarantee promptly that the drill bit can be smoothly through narrower ball valve passageway, can adapt to the gas piping of different diameter sizes again, guarantees to clear up the impurity of gas piping's inner wall.

Drawings

Fig. 1 is a schematic structural view of a gas pipeline dredging device in an embodiment of the invention;

fig. 2 is an internal cross-sectional view of a gas pipeline dredging device in an embodiment of the invention;

FIG. 3 is a partial enlarged view of portion A of FIG. 2;

fig. 4 is a schematic use view of the gas pipeline dredging device according to the embodiment of the present invention.

Description of the reference numerals:

1. a gas pipeline dredging device; 2. a ball valve; 3. a pressure tapping pipe;

10. a sleeve; 11. a sliding cavity; 12. a first seal ring; 13. mounting holes;

20. dredging the rod; 21. a piston body; 22. a second seal ring;

30. a drill bit; 31. a sliding groove;

40. a squeegee; 41. a first inclined plane;

50. a slider; 51. a second inclined plane;

60. an elastic member;

70. a push rod;

80. a positioning member.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to," "secured to," or "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or intervening elements may be present. When an element is referred to as being "disposed on," "disposed on" another element, it can be directly on the other element or intervening elements may also be present. "plurality" means two or more. "at least one" refers to one or more quantities. "a number" means one or more than one.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Referring to fig. 1 to 4 together, a gas pipe dredging device 1 according to an embodiment of the present invention will be described.

Referring to fig. 1 and 2, an embodiment of the present invention provides a gas pipeline dredging device 1, which includes a sleeve 10, a dredging rod 20, a drill 30, a scraper 40, a slider 50, an elastic member 60, and a push rod 70. A sliding cavity 11 is formed inside the sleeve 10, the sleeve 10 is provided with a first end connected with the ball valve 2 and a second end opposite to the first end, and the sliding cavity 11 penetrates through the first end and the second end; the peripheral surface of the dredging rod 20 is in sliding seal fit with the sliding cavity 11, and an adjusting cavity which is communicated along the sliding direction is formed; the drill bit 30 is coaxially arranged at one end of the dredging rod 20, and the peripheral wall of the drill bit 30 is provided with a sliding groove 31 communicated with the adjusting cavity; the scraper 40 is inserted into the sliding groove 31 in a sliding manner along the radial direction of the drill 30, and one end of the scraper 40 adjacent to the dredging rod 20 is provided with a first inclined surface 41; the sliding block 50 is arranged in the sliding groove 31 in a sliding fit manner along the axial direction of the drill bit 30, and the sliding block 50 is provided with a second inclined surface 51 matched with the first inclined surface 41; the elastic piece 60 is arranged on the sliding groove 31, and two ends of the elastic piece 60 are respectively connected with the inner wall of the sliding groove 31 and the scraper 40 and are configured with pretightening force for enabling the scraper 40 to slide in the sliding groove 31; the push rod 70 is slidably disposed through the adjustment cavity and has one end capable of contacting a side of the slider 50 adjacent to the dredging bar 20.

Compared with the prior art, the embodiment of the utility model provides a gas pipeline pull throughs 1's beneficial effect is: the embodiment of the utility model provides a gas pipeline dredging device 1 includes sleeve 10, dredge rod 20, drill bit 30, scraper blade 40, slider 50, elastic component 60 and push rod 70, during the use (see figure 4 in detail), sleeve 10 is used for and treats ball valve 2 on the gas pipeline of mediation and connects, after ball valve 2 is opened, sliding chamber 11 and gas pipeline intercommunication, dredge rod 20 and drill bit 30 can pass ball valve 2 and get into the gas pipeline, because dredge rod 20 and sliding chamber 11 seal fit, can prevent that coal gas from leaking from sliding chamber 11, prevent that operating personnel coal gas from being poisoned, can not shut down and carry out online gas pipeline mediation operation, guarantee normal production.

Referring to fig. 4, the pressure sampling pipe 3 is a gas pipeline, for example, when the drill 30 reaches the blocking position, the push rod 70 is operated to push the slide block 50, so that the slide block 50 pushes the scraper 40 to extend outward and contact with the inner wall of the pressure sampling pipe 3, the dredging rod 20 is operated to rotate, impurities adhered to the inner wall of the pressure sampling pipe 3 are scraped completely in the rotation process of the drill 30 and the scraper 40, and the pipeline is dredged. After the dredging is completed, the push rod 70 is retracted, and the scraper 40 is retracted inwards under the action of the elastic piece 60, so that the drill bit 30 can be ensured to smoothly pass through a narrower ball valve 2 channel, and the gas pipeline with different diameters and sizes can be adapted to, and the impurities on the inner wall of the gas pipeline can be cleaned up.

As shown in figure 4, the embodiment of the utility model provides a when using sleeve 10 is used for being connected with the ball valve 2 of the gas pipeline of treating the mediation, can connect through detachable modes such as screw thread, buckle, bolt. In order to prevent gas leakage, a seal should be ensured between the joint surfaces of the sleeve 10 and the ball valve 2 to prevent gas leakage. Specifically, the sealing ring and the sealing gasket can be arranged on the joint surface of the two or coated with the sealant.

The embodiment of the utility model provides an in dredge pole 20 can slide in sliding chamber 11 to with the sealed cooperation of sliding chamber 11 inner wall, when sliding chamber 11 and gas piping intercommunication, can prevent that gas from leaking. Dredging rod 20 can drive drill bit 30 rotatory, and the rotation of dredging rod 20 can be through manual control, also can install dredging rod 20 on rotary device such as handheld brill, electric drill.

The embodiment of the utility model provides an in one end of dredging rod 20 is located to drill bit 30, and the one end of keeping away from dredging rod 20 is sharp end, during the use, in dredging rod 20 carried drill bit 30 and stretches into gas piping for dredge gas piping, make scraper blade 40 outwards stretch out and gas piping's inner wall laminating through push rod 70, control dredging rod 20 drives drill bit 30 and scraper blade 40 and together rotates, clears up the impurity in the pipeline.

In order to prevent the scraper 40 from scratching the inner wall of the gas pipeline, the scraper 40 is not preferably made of metal, but may be made of hard plastic or the like.

The embodiment of the present invention provides a sliding fit between the second inclined surface 51 of the slider 50 and the first inclined surface 41 of the scraper 40, when the slider 50 moves along the axial direction of the drill bit 30, the scraper 40 can be driven to slide radially inward or outward along the drill bit 30.

The elastic member 60 may be a spring, a rubber block, or other components capable of elastically deforming. The elastic member 60 is always in a stretched state, and the scraper 40 is normally retracted in the sliding groove 31, so as to conveniently pass through a narrow passage of the ball valve 2 or a gas pipeline connection position, and only when the push rod 70 and the slide block 50 are pushed, the scraper can extend out of the sliding groove 31.

Referring to fig. 1, 2 and 4, in some possible embodiments, the sleeve 10 has a flange plate at an end adjacent to the drill 30, and the flange plate has a mounting hole 13.

As shown in fig. 4, in this embodiment, the sleeve 10 and the ball valve 2 are connected through a flange, and when the pressure tapping pipe is used, the ball valve 2 is firstly closed, the sleeve 10 is installed at one end of the ball valve 2 far away from the pressure tapping pipe 3, and the sleeve 10 and the ball valve 2 are connected together through a bolt penetrating through the installation hole 13. Then the ball valve 2 is opened to communicate the sliding cavity 11 with the pressure tapping pipe 3, and the dredging rod 20 and the drill bit 30 can extend into the pressure tapping pipe 3 to dredge and clean.

Referring to fig. 2 and 3, in some possible embodiments, the end face of the flange connecting plate is provided with a first sealing groove around the opening of the sliding cavity 11, and a first sealing ring 12 is arranged in the sealing groove, and the first sealing ring 12 can prevent gas from leaking between the joint surfaces of the ball valve 2 and the flange connecting plate.

Referring to fig. 2 and 3, in some possible embodiments, the pull through stem 20 includes a pull through stem body and a piston assembly disposed about the periphery of the pull through stem body, the piston assembly being in sliding sealing engagement with the adjustment chamber.

In this embodiment, the dredging rod 20 is provided with a piston assembly, and the piston assembly is in sliding seal fit with the adjusting cavity, so that gas can be prevented from leaking from the sliding cavity 11. The piston assembly simultaneously performs the functions of sliding guide and sealing.

The piston assembly may include one or more piston bodies 21, and considering that the dredging bar 20 has a long length and the axis is prone to tilt, referring to fig. 2 and 3, in some possible embodiments, the piston assembly includes a plurality of piston bodies 21 axially spaced along the dredging bar body, and the plurality of piston bodies 21 are respectively in sliding sealing engagement with the inner wall of the sliding cavity 11.

In this embodiment, the plurality of piston bodies 21 are arranged at intervals along the axial direction of the dredging rod 20 and are respectively in sliding sealing fit with the inner wall of the sliding cavity 11, so that the guiding effect is good, the dredging rod 20 can be prevented from inclining, and the dredging rod 20 can conveniently penetrate through the ball valve 2 to enter a gas pipeline.

Referring to fig. 2 and 3, in some possible embodiments, the circumferential wall of the piston body 21 is provided with an annular second sealing groove, and a second sealing ring 22 is arranged in the second sealing groove. The second packing 22 is capable of sealing the mating surface between the piston body 21 and the sliding chamber 11, thereby preventing gas from leaking from the sliding chamber 11.

Referring to fig. 1 and 2, in some possible embodiments, the gas conduit dredging device 1 further includes a positioning member 80 disposed on the push rod 70, and the positioning member 80 is used for limiting the axial movement of the push rod 70.

In this embodiment, the positioning element 80 limits the axial movement of the push rod 70, so as to prevent the scraper 40 from retracting into the sliding groove 31 during dredging and cleaning, and the positioning element 80 may be a screw, a stopper, a clamping plate, or the like. When the dredging rod 20 is driven to rotate by an operator manually, the push rod 70 can be held by the operator for limiting.

Referring to fig. 1 and 2, in some possible embodiments, a first positioning hole communicated with the adjusting cavity is formed in a side wall of the dredging rod 20, the push rod 70 is provided with a second positioning hole corresponding to the first positioning hole, and the positioning element 80 is a positioning pin detachably inserted into the first positioning hole and the second positioning hole.

The push rod 70 slides in the adjusting hole, when the first positioning hole is aligned with the second positioning hole, the push rod 70 and the sliding block 50 push the scraper 40 to extend outwards, at the moment, the positioning pin can be inserted into the first positioning hole and the second positioning hole, the axial movement of the push rod 70 is limited, the scraper 40 is kept in the extending state, and the dredging rod 20 is rotated to enable the scraper 40 to scrape impurities on the inner wall of the gas pipeline.

Referring to fig. 1 and 3, in some possible embodiments, the drill 30 is provided with a plurality of sliding grooves 31 around its axis, the scrapers 40 correspond to the sliding grooves 31 one by one, and the number of the scrapers 40, the sliders 50, and the elastic members 60 is plural, and the plural scrapers, the sliders 50, and the elastic members 60 are respectively disposed in the corresponding sliding grooves 31.

The quantity of scraper blade 40 is a plurality of in this embodiment, and a plurality of scraper blades 40 encircle drill bit 30 axial interval and set up, and the mediation clearance effect is better.

Referring to fig. 2 and 3, in some possible embodiments, the elastic member 60 is a spring, which is easy to install, low in cost, and durable.

It is to be understood that, the parts in the above embodiments may be freely combined or deleted to form different combination embodiments, and specific contents of each combination embodiment are not described herein again, and after this description, it can be considered that the present invention has described each combination embodiment, and can support different combination embodiments.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Gas pipeline pull throughs, its characterized in that includes:

the sleeve is internally provided with a sliding cavity, the sleeve is provided with a first end connected with the ball valve and a second end opposite to the first end, and the sliding cavity penetrates through the first end and the second end;

the peripheral surface of the dredging rod is in sliding seal fit with the sliding cavity, and an adjusting cavity which is communicated along the sliding direction is formed on the dredging rod;

the drill bit is coaxially arranged at one end of the dredging rod, and a sliding groove communicated with the adjusting cavity is formed in the outer peripheral wall of the drill bit;

the scraping plate is inserted into the sliding groove in a sliding mode along the radial direction of the drill bit, and one end, close to the dredging rod, of the scraping plate is provided with a first inclined surface;

the sliding block is arranged in the sliding groove in a sliding fit manner along the axial direction of the drill bit and is provided with a second inclined surface matched with the first inclined surface;

the elastic piece is arranged in the sliding groove, two ends of the elastic piece are respectively connected to the inner wall of the sliding groove and the scraper, and the elastic piece is configured with pretightening force for enabling the scraper to slide in the sliding groove; and

and the push rod is slidably arranged in the adjusting cavity in a penetrating manner, and one end of the push rod can be in contact with one side of the sliding block, which is adjacent to the dredging rod.

2. The gas pipeline dredging device of claim 1, wherein a flange connecting plate is arranged at one end of the sleeve adjacent to the drill bit, and a mounting hole is formed in the flange connecting plate.

3. The gas pipeline dredging device of claim 2, wherein the end face of the flange connecting plate is provided with a first sealing groove around the opening of the sliding cavity, and a first sealing ring is arranged in the sealing groove.

4. The gas pipeline dredging device of claim 1, wherein the dredging rod comprises a dredging rod main body and a piston assembly arranged on the periphery of the dredging rod main body, and the piston assembly is in sliding sealing fit with the adjusting cavity.

5. The gas conduit pull throughs of claim 4, wherein the piston assembly comprises a plurality of piston bodies spaced axially along the pull through body, the plurality of piston bodies each slidably and sealingly engaging an inner wall of the sliding chamber.

6. The gas pipeline dredging device of claim 5, wherein the circumferential wall of the piston body is provided with an annular second sealing groove, and a second sealing ring is arranged in the second sealing groove.

7. The gas conduit pull throughs of claim 1, further comprising a positioning member disposed on the push rod, the positioning member configured to limit axial movement of the push rod.

8. The gas pipeline dredging device of claim 7, wherein the side wall of the dredging rod is provided with a first positioning hole communicated with the adjusting cavity, the push rod is provided with a second positioning hole corresponding to the first positioning hole, and the positioning part is a positioning pin detachably inserted into the first positioning hole and the second positioning hole.

9. The gas pipeline dredging device of claim 1, wherein the drill bit is provided with a plurality of sliding grooves around the axis thereof, and the scrapers correspond to the sliding grooves one to one.

10. The gas conduit pull throughs of claim 1, wherein the resilient member is a spring.