Automatic paint spraying device for pipe body

Abstract

The utility model discloses an automatic paint spraying device for a pipe body, which comprises a spray pipe main body, a plurality of telescopic support components are annularly arranged on the periphery of the spray pipe main body, the head end of the spray pipe main body is movably connected with a rotary spray head, and at least one nozzle perpendicular to the axial direction of the spray pipe main body is arranged on the rotary spray head. The tail end of the spray pipe main body is connected with a traction rope; the utility model relates to the technical field of pipeline paint spraying, in particular to an automatic paint spraying device for a pipe body, in the spraying process of the inner wall of a pipeline, a feeding pipe is connected to the tail end of a spraying pipe body, in order to keep stable operation of the spraying pipe body, a direction-stabilizing guider is arranged outside the feeding pipe in a sleeving mode, and the spraying pipe body is automatically sprayed through the function of the direction-stabilizing guider. The feeding pipe and the pulling rope are arranged in the axial direction of the pipeline and matched with the telescopic supporting assembly on the spraying pipe body to support the inner wall of the pipeline, the spraying pipe body and the feeding pipe can stably advance in the axial direction in the advancing process, and the spraying thickness is more uniform.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline paint spraying technical field, concretely is a kind of automatic paint spraying device of pipe body. BACKGROUND

[0002] In the surface treatment process of pipeline, coating anticorrosive paint is a common operation, and the anticorrosive primer attached to the surface of the pipeline can effectively prevent corrosion. However, in order to effectively prolong the service life of the pipeline, some pipelines not only need external corrosion protection but also need internal corrosion protection.

[0003] In the current internal corrosion process, small-diameter pipelines are generally treated by electrolytic chromium plating or other methods according to the thickness of the pipe diameter. However, in the application process of large-diameter buried pipelines, paint spraying is still the main method. In the process of spraying paint inside the large-diameter pipeline, the current method mainly relies on a traction type paint spraying device. This device mainly relies on a scissor type roller of a ring cloth to support the spraying equipment at the center of the pipeline, and then uses the traction force to pass the spray head through the pipeline. The rotation of the spray head is used to complete the paint spraying inside the pipeline. The traction of this device currently mainly relies on manpower or winch equipment. This traction method often causes the advancing direction of the traction rope to be not in line with the central axis of the pipeline, and the traction process often causes shaking, which easily causes the spray head to shake, resulting in uneven thickness of the sprayed inner wall of the pipeline during the spraying process. In view of this, the present case is generated after in-depth research on the above problems. SUMMARY

[0004] To overcome the shortcomings of the prior art, the utility model provides an automatic paint spraying device for pipe body, which solves the problems of the prior art.

[0005] To achieve the above purposes, the utility model realizes the following technical scheme: an automatic paint spraying device for pipe body, comprising a spray pipe main body, a plurality of telescopic support assemblies are arranged around the outer periphery of the spray pipe main body, a rotating spray head is movably connected to the head end of the spray pipe main body, at least one spray nozzle perpendicular to the axial direction of the spray pipe main body is arranged on the rotating spray head, and a traction rope is connected to the tail end of the spray pipe main body.

[0006] A feed pipe is connected to the tail end of the spray pipe main body, and a directional stabilizer is sleeved on the outer surface of the feed pipe.

[0007] The directional stabilizer comprises a clamping device, a telescopic plate is arranged on one side of the clamping device, a directional pipe sleeve is arranged on the telescopic end of the telescopic plate, a through slot is formed in the center of the directional pipe sleeve, the feed pipe penetrates through the through slot, a guide hole is arranged in parallel on one side of the through slot, and the traction rope penetrates through the guide hole.

[0008] The rotating bearing is arranged in the through groove, and a guide ring is sleeved in the rotating bearing, the feeding pipe penetrates through the guide ring and is in contact with the guide ring.

[0009] Preferably, the head end of the spray pipe body is provided with a rotating joint, the rotating nozzle is sleeved on the rotating joint, and the nozzle is connected to the rotating nozzle and extends from the rotating nozzle.

[0010] Preferably, the diameter of the guide hole matches the diameter of the traction rope, and the end of the traction rope is connected with a holding sleeve.

[0011] Preferably, the clamping device comprises a pair of clamping plates arranged in parallel, one of the clamping plates is fixedly connected with the telescopic plate, a guide bolt is arranged on the clamping plate, a guide nut is arranged on the other clamping plate, and the guide nut is threadedly connected with the guide bolt.

[0012] Preferably, the telescopic supporting assembly comprises a pair of supporting rods, the outer ends of the supporting rods are provided with a pair of pulleys, the end of the spray pipe body is provided with an external thread, the spray pipe body is sleeved with a pushing sleeve, and the inner ends of the supporting rods are movably connected to the pushing sleeve and the spray pipe body respectively.

[0013] Beneficial effects

[0014] The utility model provides a kind of automatic paint spraying device of pipe body. It has the following beneficial effects: the automatic paint spraying device of pipe body, in the spraying process of pipe inner wall, the tail end of spray pipe body is connected with feeding pipe, to keep the operation stability of spray pipe body, the outside of feeding pipe is sleeved with stable guide, by the effect of stable guide, feeding pipe and traction rope are arranged on the axial direction of pipe, cooperate telescopic supporting assembly on spray pipe body to form support to pipe inner wall, keep spray pipe body and feeding pipe in the process of advancing, can advance stably along axial direction, make spraying thickness more uniform. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the front view structural schematic drawing of the automatic paint spraying device of pipe body described in the utility model.

[0016] Fig. 2 It is the local three-dimensional structural schematic drawing of the automatic paint spraying device of pipe body described in the utility model.

[0017] Fig. 3 It is the local enlarged structural schematic drawing of the automatic paint spraying device of pipe body described in the utility model.

[0018] In the figure: 1, the nozzle body; 2, telescopic support assembly; 3, rotating spray head; 4, nozzle; 5, tow rope; 6, supply pipe; 7, directional stabilizer; 21, support rod; 22, pin shaft; 23, pulley; 24, push tube sleeve; 71, holder; 72, telescopic plate; 73, directional tube sleeve; 74, through slot; 75, guide hole; 76, rotary bearing; 77, guide ring sleeve; 711, clamping plate; 712, guide bolt; 713, guide nut. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figs. 1-3 The utility model provides a kind of implementation scheme: when spraying in the inside of large pipeline, the spraying device of present stage is more with advancing device cooperation traction drives nozzle movement, advancing device drives nozzle to be sprayed to the inner wall of pipeline by pipeline, this kind of spraying device is skewed in the advancing process, as the tow rope 5 of flow guide device only one end is fixed on advancing device, in the traction process, traction direction is not parallel with the axial direction of pipeline, prone to the skew of spray head.

[0021] For the above problems, according to the drawings in the specification Figs. 1-3 It can be known that the application discloses a kind of automatic paint spraying device of pipe body, including nozzle body 1, the outer periphery of nozzle body 1 is equipped with several telescopic support assemblies 2, the head end of nozzle body 1 is movably connected with rotating spray head 3, at least one nozzle 4 perpendicular to the axial direction of nozzle body 1 is arranged on rotating spray head 3, the tail end of nozzle body 1 is connected with tow rope 5;

[0022] In the specific implementation process, the head end of nozzle body 1 is rotating spray head 3, the tail end of nozzle body 1 is connected with supply pipe 6, under the action of supply pipe 6, paint enters into nozzle body 1 from supply pipe 6, rotating spray head 3 is driven to rotate by using rotating motor on nozzle body 1, then rotating spray head 3 drives nozzle 4 to rotate, then paint is sprayed from nozzle 4, the inner peripheral wall of pipeline is sprayed by using nozzle 4, to ensure that the advancing of nozzle body 1 is more stable, directional stabilizer 7 is sleeved on supply pipe 6;

[0023] According to the drawings in the specification Figs. 1-3It can be known that the above-mentioned stable guide 7 comprises a clamp 71, one side of the clamp 71 is provided with an expansion plate 72, the expansion end of the expansion plate 72 is provided with a stable tube sleeve 73, the center of the stable tube sleeve 73 is provided with a through slot 74, the feeding pipe 6 penetrates through the through slot 74, one side of the through slot 74 is provided with a guide hole 75, the traction rope 5 penetrates through the guide hole 75;

[0024] In the specific implementation process, when in use, the clamp 71 is clamped on the wall surface of the pipeline, and then the expansion plate 72 on one side of the clamp 71 is used for adjusting the position of the stable tube sleeve 73, so that the stable tube sleeve 73 corresponds to the axis of the pipeline, the middle of the through slot 74 is provided with a rotating bearing 76, the rotating bearing 76 is sleeved with a guide ring sleeve 77, the feeding pipe 6 penetrates through the guide ring sleeve 77 and is in contact with the guide ring sleeve 77, the guide ring sleeve 77 plays a limiting and supporting role for the feeding pipe 6 on the one hand, so that the stable tube sleeve and the expansion support assembly 2 keep the feeding pipe 6 and the nozzle body 1 coaxial with the pipeline;

[0025] Then under the action of the guide ring sleeve 77, the feeding pipe 6 can be supported and kept axially stable by the rotating bearing 76 if the feeding pipe 6 rolls in the running process of the pipeline, so that the nozzle body 1 is moved by the traction rope 5, and since the guide hole 75 is also parallel to the through slot 74, the nozzle body 1 moves in parallel.

[0026] As a preferred solution, further, the head end of the nozzle body 1 is provided with a rotating joint, the rotating nozzle 3 is sleeved on the rotating joint, the nozzle 4 is extended from the rotating nozzle 3 and connected to the rotating nozzle 3, and the nozzle 4 can be closer to the inner wall of the pipeline due to the support of the nozzle.

[0027] As a preferred solution, further, the diameter of the guide hole 75 matches the diameter of the traction rope 5, and the end of the traction rope 5 is connected with a holding sleeve, so as to facilitate the movement of the traction rope 5.

[0028] As a preferred solution, further, the clamp 71 comprises a pair of clamping plates 711, the pair of clamping plates 711 are arranged in parallel, one of the clamping plates 711 is fixedly connected with the expansion plate 72, the clamping plate 711 is provided with a guide bolt 712, the other clamping plate 711 is provided with a guide nut 713, and the guide nut 713 is threadedly connected with the guide bolt 712;

[0029] In the specific implementation process, the guide bolt 712 is installed on one of the clamping plates 711, when the other clamping plate 711 is controlled, the guide bolt 712 is engaged with the guide nut 713 by rotating, so that the guide nut 713 pushes back the clamping plate 711 to move, so that the pair of clamping plates 711 are clamped on both sides of the pipe wall, and the clamping and fixing effect is realized.

[0030] As a preferred solution, further, the telescopic support assembly 2 comprises a pair of support rods 21, the middle of the pair of support rods 21 is movably connected through a pin shaft 22, the outer end of the pair of support rods 21 is provided with a pair of pulleys 23, the end of the spray pipe body 1 is provided with external threads, the spray pipe body 1 is provided with a push pipe sleeve 24, the inner end of the pair of support rods 21 is movably connected on the push pipe sleeve 24 and the spray pipe body 1 respectively;

[0031] In the specific implementation process, in order to adjust the position of the pair of pulleys 23, the pulley 23 contacts the inner wall of the pipeline, the push pipe sleeve 24 is screwed with the outer end of the spray pipe body 1 by rotating the push pipe sleeve 24, and then the push pipe sleeve 24 moves linearly, the head end of the push pipe sleeve 24 is close to the spray pipe body 1, and then the pair of support rods 21 and the pin shaft 22 form a scissors support due to the relative movement of the end of the pair of support rods 21, so that the pair of pulleys 23 contacts the inner wall of the pipeline, and the support effect of the spray pipe body 1 is achieved by the separate arrangement of the end of the plurality of support rods 21, and the pulley 23 can be stretched synchronously due to the action of the push pipe, and the spray pipe body 1 is arranged on the axis of the pipeline.

[0032] As described above, the pipe automatic paint spraying device, in the process of spraying the inner wall of the pipeline, the tail end of the spray pipe body 1 is connected with the feeding pipe 6, in order to keep the running stability of the spray pipe body 1, the stable guide 7 is provided outside the feeding pipe 6, the feeding pipe 6 and the traction rope 5 are arranged on the axis of the pipeline through the action of the stable guide 7, and the telescopic support assembly 2 on the spray pipe body 1 forms support for the inner wall of the pipeline, so that the spray pipe body 1 and the feeding pipe 6 can stably run along the axis during the running process, and the spraying thickness is more uniform.

[0033] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A kind of automatic paint spraying device of pipe body, including spray pipe body (1), the outer periphery of the spray pipe body (1) is equipped with several telescopic support components (2), the head end of the spray pipe body (1) is movably connected with rotary spray head (3), at least one nozzle (4) perpendicular to the axial direction of spray pipe body (1) is provided on the rotary spray head (3), it is characterized in that, The tail end of the spray pipe body (1) is connected with a traction rope (5); The tail end of the spray pipe body (1) is connected with a feeding pipe (6), and the feeding pipe (6) is sleeved with a directional stabilizer (7); The directional stabilizer (7) comprises a clamp (71), one side of the clamp (71) is provided with an expansion plate (72), the expansion end of the expansion plate (72) is provided with a directional pipe sleeve (73), the center of the directional pipe sleeve (73) is provided with a through slot (74), the feeding pipe (6) penetrates through the through slot (74), one side of the through slot (74) is provided with a guide hole (75), and the traction rope (5) penetrates through the guide hole (75). A rotating bearing (76) is arranged in the middle of the through slot (74), the rotating bearing (76) is sleeved with a guide ring sleeve (77), and the feeding pipe (6) penetrates through the guide ring sleeve (77) and is in contact with the guide ring sleeve (77).

2. The automatic paint spraying device for pipe body according to claim 1, characterized in that, The head end of the spray pipe body (1) is provided with a rotating joint, the rotating nozzle (3) is sleeved on the rotating joint, and the nozzle (4) is connected to the rotating nozzle (3) and extends from the rotating nozzle (3).

3. The automatic paint spraying device for pipe body according to claim 2, characterized in that, The diameter of the guide hole (75) matches the diameter of the traction rope (5), and the end of the traction rope (5) is connected with a holding sleeve.

4. The automatic paint spraying device for pipe body according to claim 3, characterized in that, The clamp (71) comprises a pair of clamping plates (711), the pair of clamping plates (711) are arranged in parallel, one of the pair of clamping plates (711) is fixedly connected with the expansion plate (72), the clamping plate (711) is provided with a guide bolt (712), the other clamping plate (711) is provided with a guide nut (713), and the guide nut (713) is threadedly connected with the guide bolt (712).

5. The apparatus according to claim 4, wherein The expansion support assembly (2) comprises a pair of support rods (21), the middle of the pair of support rods (21) is movably connected through a pin shaft (22), the outer end of the pair of support rods (21) is provided with a pair of pulleys (23), the end of the spray pipe body (1) is provided with an external thread, the spray pipe body (1) is sleeved with a pushing pipe sleeve (24), and the inner end of the pair of support rods (21) is movably connected to the pushing pipe sleeve (24) and the spray pipe body (1) respectively.

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