CN222369414U - Auxiliary device for anti-corrosion construction of inner wall of steel pipe - Google Patents

Abstract

The utility model discloses an auxiliary device for corrosion-resistant construction of an inner wall of a steel pipe, which comprises a carrier roller, wherein anti-falling baffle plates are coaxially arranged at two ends of the carrier roller, two ends of the carrier roller are rotatably connected with supporting arms, pipe wall fixing components are arranged at the outer ends of the supporting arms, the carrier roller is in transmission connection with a driving component, and a cable extrusion component is arranged above the carrier roller.

Description

Auxiliary device for corrosion-resistant construction of inner wall of steel pipe

Technical Field

The utility model belongs to the field of pipeline construction, and particularly relates to an auxiliary device for corrosion-resistant construction of an inner wall of a steel pipe.

Background

Pipeline laying and later overhauling maintenance are important construction projects in municipal water conservancy conveying construction processes. In the pipeline operation process, the inner wall of the pipeline is in a conveying medium for a long time, so that the inner wall of the pipeline is oxidized and corroded, further, accidents of perforation, pipe explosion or leakage are generated, and the production is stopped, the environment is polluted and the like.

When the pipeline is in a perforation leakage accident, the pipeline is firstly required to be stopped, then the accident point pipeline is dug out to repair and weld the perforation leakage point, after the welding point is polished, the welding point is repaired and the welding point and the oxidized and rusted inner wall are subjected to secondary anti-corrosion coating spraying by using the pipeline spraying machine of the existing equipment, when the pipeline spraying machine of the existing equipment is used, a plurality of cables (mainly comprising a power supply cable of the spraying machine, a control cable of the spraying machine, a coating conveying pipe and the like) connected with the pipeline spraying machine are required to be gradually pulled out of the pipeline by a field operator when the pipeline spraying machine in the pipeline is withdrawn, due to uneven strength of the manually pulled cables, the advancing speed of the pipeline spraying machine is uneven when the pipeline spraying machine is withdrawn from the pipeline, the anti-corrosion coating sprayed on the inner wall of the pipeline is uneven, even the position of the pipeline is leaked, the quality inspection of the internal anti-corrosion coating is unqualified, the construction period is prolonged, the working strength of the field operator is increased, and the working efficiency of the field operator is reduced due to the process of pulling the cables.

Disclosure of Invention

The utility model aims to provide an auxiliary device for corrosion-resistant construction of the inner wall of a steel pipe, overcomes the defects of the prior art, and effectively solves the existing problem of uneven corrosion-resistant spraying of the inner wall of the steel pipe.

The auxiliary device for the corrosion-resistant construction of the inner wall of the steel pipe comprises a carrier roller, wherein anti-falling baffle plates are coaxially arranged at two ends of the carrier roller, two ends of the carrier roller are rotatably connected with supporting arms, pipe wall fixing components are arranged at the outer ends of the supporting arms, the carrier roller is in transmission connection with a driving component, and a cable extrusion component is arranged above the carrier roller.

Further, the pipe wall fixing component comprises a U-shaped clamping groove, the inner side of the U-shaped clamping groove is fixedly connected with the outer end of the supporting arm, a screw hole is formed in the outer side of the U-shaped clamping groove, a bolt is screwed into the screw hole, a rubber clamping piece is rotatably connected to the inner end of the bolt, and the pipe wall fixing component is used for fixing the supporting arm and the outer edge of the cross section of the pipeline.

Further, the drive assembly includes driving motor, driving motor fixed mounting is in the backup pad the gallows is all installed at the both ends of backup pad, the top of gallows with the outer wall fixed connection of support arm, driving motor with the bearing roller passes through chain drive, driving motor is located under the bearing roller.

Further, the hanging bracket is triangular in shape.

Further, the cable extrusion subassembly includes the rotary drum, the rotary drum rotatory suit is on the round bar the through-hole has all been vertically seted up at the both ends of round bar the through-hole sliding connection has the pole setting, the top and the reverse L shape support column fixed connection of pole setting, the bottom of reverse L shape support column with the outer wall fixed connection of support arm the cover is equipped with the spring in the pole setting, the spring is located between round bar and the reverse L shape support column the anticreep cap is installed to the bottom of pole setting.

Further, the two ends of the rotary drum are provided with cards, and the cards are fixedly sleeved on the round rod.

Further, anti-skid patterns are formed on the outer circumferential surface of the rotary drum.

Further, the carrier roller is a rubber roller.

The anti-corrosion coating device has the beneficial effects that the cable is driven to move outwards at a constant speed through the rotation of the carrier roller, so that the pipeline spraying machine connected with the cable also moves outwards at a constant speed, and meanwhile, the anti-corrosion coating is uniformly sprayed on the inner wall of the pipeline, so that the quality of the inner anti-corrosion coating is improved, the construction period is shortened, and the working strength of field operators is also reduced.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a cross-sectional view of section A-A of FIG. 1;

FIG. 3 is an enlarged partial view of portion B of FIG. 1;

Fig. 4 is a view of the structure of the idler and support arm of the present utility model;

FIG. 5 is a state diagram of the present utility model;

In the figure, 1 bearing roller, 2 anticreep separation blade, 3 support arm, 4U-shaped draw-in groove, 5 bolts, 6 rubber clamping piece, 7 pipelines, 8 driving motor, 9 backup pad, 10 gallows, 11 rotary drum, 12 round bars, 13 through-holes, 14 pole setting, 15 reverse L shape support column, 16 springs, 17 anticreep cap, 18 cards, 19 cables, 20 pipeline flush coater.

Detailed Description

For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings:

As shown in figures 1 to 5, the auxiliary device for corrosion prevention construction of the inner wall of the steel pipe comprises a carrier roller 1, wherein two ends of the carrier roller 1 are coaxially provided with anti-falling baffle plates 2, two ends of the carrier roller 1 are rotatably connected with a supporting arm 3, the outer end of the supporting arm 3 is provided with a pipe wall fixing component, the carrier roller 1 is in transmission connection with a driving component, a cable extrusion component is arranged above the carrier roller 1, the pipe wall fixing component comprises a U-shaped clamping groove 4, the inner side of the U-shaped clamping groove 4 is fixedly connected with the outer end of the supporting arm 3, the outer side of the U-shaped clamping groove 4 is provided with a screw hole, a bolt 5 is screwed in the screw hole, the inner end of the bolt 5 is rotatably connected with a rubber clamping piece 6, the pipe wall fixing component is used for fixing the supporting arm 3 with the outer edge of the cross section of a pipeline 7, the driving component comprises a driving motor 8, the driving motor 8 is fixedly arranged on a supporting plate 9, two ends of the supporting plate 9 are respectively provided with a hanging bracket 10, the top end of the hanging bracket 10 is fixedly connected with the outer wall of the supporting arm 3, the driving motor 8 is fixedly connected with the outer wall of the supporting arm 3, the driving component 1 is in transmission line 12, a round upright rod 12 is fixedly connected with a round upright rod 12, a round upright rod 14 is sleeved on the round upright rod 12 is fixedly arranged at the two ends of the round rod 12, a round rod 14 is fixedly connected with the round rod 13, a round rod 12 is sleeved with the round rod 12, a vertical rod 12 is fixedly arranged at the top end of the upright rod 12, a support rod is sleeved with the round rod 12, the round rod is fixedly connected with the round rod 13, the round rod 13 through a vertical rod 12, and the end 12 is sleeved with a through hole 12, an anti-falling cap 17 is arranged at the bottom end of the vertical rod 14.

Specifically, the carrier roller 1 rotates to drive the cable 19 to move outwards of the pipeline 7 at a constant speed, so that the pipeline sprayer 20 connected with the cable 19 also moves outwards of the pipeline 7 at a constant speed, and the pipeline sprayer 20 can uniformly spray the anticorrosive paint on the inner wall of the pipeline 7 when moving.

In the practical use process, the use of the existing pipeline spraying machine needs to be simply understood, when the auxiliary tool is used, firstly the pipeline spraying machine 20 is placed in the pipeline 7, at the moment, the U-shaped clamping groove 4 arranged at the outer ends of the two sections of the supporting arms 3 is clamped on the outer edge of the cross section of the pipeline 7, the rubber clamping piece 6 of the bolt 5 and the outer arm of the pipeline 7 can be further clamped by rotating the bolt 5, so that the auxiliary tool horizontally placed at the pipe orifice of the pipeline 7 can be firmly fixed, at the moment, the rotary drum 11 is horizontally pulled upwards, the gap between the rotary drum 11 and the carrier roller 1 is enlarged, at the moment, a plurality of cables 19 pass through the gap and are placed on the carrier roller 1, when the rotary drum 11 is loosened, the round rod 12 moves downwards on the vertical rod 14 through the through hole 13 under the elasticity of the spring 16, at the moment, the round rod 12 moves downwards to drive the rotary drum 11 to squeeze the cable 19, so that the carrier roller 1 and the rotary drum 11 form a clamping state with the cable 19, at the moment, the outer end of the cable 19 is butted with control equipment externally connected with the pipeline spraying machine, the control equipment is started, the pipeline spraying machine 20 starts to spray anticorrosive paint on the inner wall of the pipeline 7, at the moment, the driving motor 8 is started again to drive the carrier roller 1 to rotate, the cable 19 in clamping is gradually pulled outwards at a uniform speed, at the moment, the pipeline spraying machine 20 connected with the cable 19 also moves outwards at a uniform speed, and the anticorrosive paint is uniformly sprayed on the inner wall of the pipeline.

As shown in fig. 1 to 5, the hanger 10 is triangular, two ends of the drum 11 are respectively provided with a card 18, the cards 18 are fixedly sleeved on the round rod 12, the outer circumferential surface of the drum 11 is provided with anti-skid patterns, and the carrier roller 1 is a rubber roller.

Specifically, the triangular hanger 10 makes the driving motor 8 more stable to be transported.

In the actual use process, the driving motor 8 is more stably transported by the triangular hanging frame 10, so that the overall stability of the auxiliary device is improved when the auxiliary device is used, the clamping pieces 18 can further limit the rotary drum 11 to be centered on the round rod 12, the friction force between the anti-slip patterns formed on the outer circumferential surface of the rotary drum 11 and the cable 7 can be increased, and the rubber carrier roller 1 capable of actively rotating can avoid damaging the outer skin of the cable 7.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. An auxiliary device for anti-corrosion construction of the inner wall of a steel pipe, characterized in that it comprises a roller (1), anti-slip baffles (2) are coaxially installed at both ends of the roller (1), support arms (3) are rotatably connected at both ends of the roller (1), a pipe wall fixing component is arranged at the outer end of the support arm (3), the roller (1) is transmission-connected to a drive component, and a cable extrusion component is arranged above the roller (1). 2. An auxiliary device for anti-corrosion construction of the inner wall of a steel pipe according to claim 1, characterized in that: the pipe wall fixing component includes a U-shaped groove (4), the inner side of the U-shaped groove (4) is fixedly connected to the outer end of the support arm (3), a screw hole is opened on the outer side of the U-shaped groove (4), a bolt (5) is screwed into the screw hole, and a rubber clip (6) is rotatably connected to the inner end of the bolt (5), and the pipe wall fixing component is used to fix the support arm (3) to the outer edge of the cross section of the pipe (7). 3. An auxiliary device for anti-corrosion construction of the inner wall of a steel pipe according to claim 1, characterized in that: the driving assembly comprises a driving motor (8), the driving motor (8) is fixedly mounted on a support plate (9), hangers (10) are mounted at both ends of the support plate (9), the top end of the hanger (10) is fixedly connected to the outer wall of the support arm (3), the driving motor (8) and the roller (1) are driven by a chain, and the driving motor (8) is located directly below the roller (1). 4. An auxiliary device for anti-corrosion construction of the inner wall of a steel pipe according to claim 3, characterized in that: the hanger (10) is triangular in shape. 5. An auxiliary device for anti-corrosion construction of the inner wall of a steel pipe according to claim 1, characterized in that: the cable extrusion assembly comprises a rotating drum (11), the rotating drum (11) is rotatably mounted on a round rod (12), through holes (13) are vertically opened at both ends of the round rod (12), a vertical rod (14) is slidably connected in the through hole (13), the top end of the vertical rod (14) is fixedly connected to an inverted L-shaped support column (15), the bottom end of the inverted L-shaped support column (15) is fixedly connected to the outer wall of the support arm (3), a spring (16) is mounted on the vertical rod (14), the spring (16) is located between the round rod (12) and the inverted L-shaped support column (15), and an anti-drop cap (17) is installed at the bottom end of the vertical rod (14). 6. An auxiliary device for anti-corrosion construction of the inner wall of a steel pipe according to claim 5, characterized in that: a card (18) is provided at both ends of the rotating drum (11), and the card (18) is fixedly sleeved on the round rod (12). 7. An auxiliary device for anti-corrosion construction of the inner wall of a steel pipe according to claim 5, characterized in that anti-slip grooves are provided on the outer circumferential surface of the rotating drum (11). 8. An auxiliary device for anti-corrosion construction of the inner wall of a steel pipe according to claim 1, characterized in that the roller (1) is a rubber roller.