Spraying machine for anticorrosive coating on inner wall of petroleum pipeline

Abstract

The utility model relates to the technical field of spraying machines, in particular to a petroleum pipeline inner wall anti-corrosion coating spraying machine which comprises a base, the top of the base is fixedly connected with a first supporting seat, the top of the base is fixedly connected with a second supporting seat, and the side wall of the first supporting seat is fixedly connected with a protective shell. A telescopic rod is slidably connected into the protective shell and penetrates through the protective shell, a rack is arranged on the side wall of the telescopic rod, an infrared heater is fixedly connected to the side wall of the telescopic rod, and a coater is fixedly connected to the side wall, away from the protective shell, of the telescopic rod. A plurality of coating nozzles are formed in the side wall of the coater, oil pipes with different lengths can be sprayed through cooperative arrangement of a gear, a rack and an infrared heater, heating after spraying can accelerate drying and curing of the coating, the coating is not prone to stripping, and the anti-corrosion protection effect can be better achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of spraying machine, especially relates to a petroleum pipeline inner wall anticorrosive coating spraying machine. BACKGROUND

[0002] When constructing long-distance petroleum transportation pipeline network, it is extremely unrealistic to rely on manual construction of inner wall anticorrosive coating when facing large-scale pipeline construction tasks, and the efficiency is extremely low and it is difficult to ensure quality consistency. The spraying machine can realize automatic and continuous spraying operation, quickly and uniformly apply anticorrosive coating to the inner wall of the pipeline, and efficiently complete the anticorrosive treatment of numerous pipelines within the specified construction period.

[0003] The existing authorized patent number CN220941416U is a petroleum pipeline inner wall anticorrosive coating spraying device, which comprises a main body and a spraying mechanism. The main body comprises a base, and a sliding groove plate is fixedly connected to the upper surface of the base. A first sliding block is movably connected to the inside of the sliding groove plate. A rotating sleeve is movably connected to the outer surface of the connecting rod. A pipeline body is placed on the upper part of the connecting seat. A limiting piece is installed on the top of the first connecting plate. The utility model is convenient for uniform anticorrosive coating spraying of the inner wall of the pipeline body through the setting of the spraying assembly. The height of the spraying assembly can be adjusted through the setting of the gear and the rack plate, thereby facilitating adjustment according to pipeline bodies of different diameters. The sliding groove and the second sliding block are provided to facilitate the movement of the spraying assembly along the vertical direction.

[0004] In view of the above-mentioned related technology, the existing petroleum pipeline inner wall anticorrosive coating spraying machine has the defect of lacking good adaptability to pipelines of different lengths, and cannot flexibly and continuously complete spraying and synchronous heating and curing operations as the pipeline length extends, resulting in frequent interruption and re-adjustment of equipment during long pipeline construction, low efficiency and difficulty in ensuring coating quality. Therefore, the utility model provides a petroleum pipeline inner wall anticorrosive coating spraying machine. TECHNICAL CONTENT

[0005] The purpose of the present application is to provide a petroleum pipeline inner wall anticorrosive coating spraying machine to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0007] The utility model provides a kind of petroleum pipeline inner wall anticorrosive coating spraying machine, including base, the top of the base is fixedly connected with first support seat, the top of the base is fixedly connected with second support seat, the side wall of the first support seat is fixedly connected with protective shell, the inside telescopic rod of the protective shell is slidably connected, the telescopic rod penetrates the protective shell, the side wall of the telescopic rod is provided with rack, the side wall of the telescopic rod is fixedly connected with infrared heater, the side wall of the telescopic rod is fixedly connected with coating applicator away from the protective shell, the side wall of the coating applicator is provided with multiple coating spouts, the side wall of the second support seat is provided with clamping assembly.

[0008] Preferably, the clamping assembly includes a pair of connecting shafts fixedly connected to the side wall of the second support seat, and the connecting shafts have connecting plates rotatably connected to the side walls thereof.

[0009] Preferably, one end of each connecting plate is rotatably connected to a connecting column, and the connecting column has a fixed block fixedly connected to the side wall thereof.

[0010] Preferably, the side wall of the fixed block is fixedly connected to a fixed frame, a pipeline body is arranged between a pair of fixed frames, and the other end of the connecting plate is fixedly connected to a moving column.

[0011] Preferably, the top of the base is fixedly connected to an electric push rod, and the output end of the electric push rod is fixedly connected to a moving plate.

[0012] Preferably, one end of the moving plate is fixedly connected to a connecting block, the connecting block has a slot formed in the interior thereof, and the moving column slides in the slot.

[0013] Preferably, the side wall of the first support seat is fixedly connected to a support plate, the top of the support plate is fixedly connected to a motor, the output end of the motor is fixedly connected to a gear, and the gear is engaged with the rack.

[0014] In summary, the technical effects and advantages of the utility model are as follows:

[0015] 1. In the utility model, the gear, the rack and the infrared heater are cooperatively arranged to realize spraying of oil pipes with different lengths, and the heating after spraying can accelerate the drying and curing of the coating, so that the coating is not easy to peel off and can better play a corrosion protection role.

[0016] 2. In the utility model, the electric push rod, the connecting plate and the fixed frame are cooperatively arranged to enable the oil pipe to maintain a stable position and posture, so that the spraying can be performed according to a preset trajectory, distance and angle, the thickness of the coating at each position on the inner wall of the oil pipe is uniform, and the spraying effect such as corrosion protection is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only constitute some of the embodiments of the present application, and all other drawings obtained by those skilled in the art without creative effort based on these drawings also belong to the protection scope of the present application.

[0018] Figure 1 It is a first perspective view of the axial side structure of the utility model;

[0019] Figure 2 It is a second perspective view of the axial side structure of the utility model;

[0020] Figure 3 It is a structural schematic view of the connecting shaft of the utility model;

[0021] Figure 4 It is a structural schematic view of the telescopic rod of the utility model.

[0022] In the figure: 1, base; 2, first support seat; 3, second support seat; 4, electric push rod; 5, fixed frame; 6, pipeline body; 7, support plate; 8, motor; 9, gear; 10, moving plate; 11, connecting block; 12, connecting plate; 13, connecting shaft; 14, connecting column; 15, fixed block; 16, rack; 17, protective shell; 18, telescopic rod; 19, paint spout; 20, infrared heater; 21, paint applicator; 22, moving column. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments only constitute some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort also belong to the protection scope of the present application.

[0024] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0025] Embodiment one: reference Figures 1-4The oil pipeline inner wall anticorrosion coating spraying machine shown comprises a base 1, the base 1 is used for bearing other components of the entire oil pipeline inner wall anticorrosion coating spraying machine, provides a stable placement foundation for the equipment, a first support base 2 is fixed on the top of the base 1, plays a supporting and fixing role for relevant components, a second support base 3 is also fixed on the top of the base 1, a clamping assembly arranged on the side wall thereof can clamp and fix the oil pipeline, guarantees the stability of the pipeline during the spraying process, a protection shell 17 fixedly connected to the side wall of the first support base 2 can protect the internal components and provide space for the sliding of the telescopic rod 18, the telescopic rod 18 slidingly connected inside the protection shell 17 can move in a telescopic manner along a specific direction, the rack 16 penetrating through the protection shell 17 and arranged on the side wall can cooperate with the corresponding transmission components to control the telescopic movement, the infrared heater 20 fixedly connected to the side wall can heat and solidify the inner wall coating of the pipeline after spraying, improves the drying and solidification speed and quality of the coating, the coating applicator 21 fixedly connected to the side wall away from the protection shell 17 is used for containing coating material, a plurality of coating material nozzles 19 arranged on the side wall thereof can uniformly spray the coating material on the inner wall of the pipeline to realize the spraying of the anticorrosion coating.

[0026] Embodiment two: reference Figures 1-4 , based on the same concept as the above embodiment one, the embodiment also proposes that a pair of connecting shafts 13 fixedly connected to the side wall of the second support base 3 in the clamping assembly are used for installing the connecting plate 12 so that it can rotate around the shaft, the connecting plate 12 rotationally connected to the side wall of the connecting shaft 13 can cooperate to realize the clamping action on the pipeline by changing the position through rotation, the connecting column 14 rotationally connected to one end of the connecting plate 12 can transmit force and change the connection direction, the fixing block 15 fixedly connected to the side wall of the connecting column 14 is used for fixing the fixed frame 5 to form a surrounding structure for the pipeline, the fixed frame 5 fixedly connected to the side wall of the fixing block 15 can position and limit the pipeline body 6 to prevent it from shaking during the spraying process, the pipeline body 6 arranged between a pair of fixed frames 5 is the object that needs to be sprayed with the inner wall anticorrosion coating, the moving column 22 fixedly connected to the other end of the connecting plate 12 can slide in the corresponding structure to cooperate to realize the adjustment of the clamping action, the electric push rod 4 fixedly connected to the top of the base 1 can provide a linear thrust to drive the moving plate 10 to move, the moving plate 10 fixedly connected to the output end of the electric push rod 4 can drive the connecting block 11 to move, thereby affecting the state of the entire clamping structure, the connecting block 11 fixedly connected to one end of the moving plate 10 provides a sliding space for the moving column 22 through the slot inside it and restricts the movement track of the moving column 22, the support plate 7 fixedly connected to the side wall of the first support base 2 is used for supporting the motor 8 so that it is stably placed, the motor 8 fixedly connected to the top of the support plate 7 can provide power output to drive the gear 9 to rotate, the gear 9 fixedly connected to the output end of the motor 8 can drive the telescopic rod 18 to perform telescopic movement through meshing with the rack 16, thereby driving the coating applicator 21 and the infrared heater 20 to move along the inner wall of the pipeline and realize the corresponding spraying and heating and solidification operations.

[0027] The utility model discloses a pipeline spraying device, which comprises a fixed frame 5, a pipeline body 6, a movable plate 10, a connecting block 11, a connecting plate 12, a connecting shaft 13, a fixed block 15, a motor 8, a gear 9, a rack 16, a telescopic rod 18, a protective shell 17 and a coating applicator 21.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the utility model and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. An internal wall anticorrosive coating spraying machine for oil pipelines, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected with a first support seat (2), the top of the base (1) is fixedly connected with a second support seat (3), the side wall of the first support seat (2) is fixedly connected with a protective shell (17), the inside of the protective shell (17) is slidably connected with a telescopic rod (18), the telescopic rod (18) penetrates through the protective shell (17), the side wall of the telescopic rod (18) is provided with a rack (16), the side wall of the telescopic rod (18) is fixedly connected with an infrared heater (20), the side wall of the telescopic rod (18) away from the protective shell (17) is fixedly connected with a paint applicator (21), the side wall of the paint applicator (21) is provided with a plurality of paint spray outlets (19), and the side wall of the second support seat (3) is provided with a clamping assembly.

2. A machine for applying an anticorrosive coating to the interior of a petroleum pipeline as defined in claim 1, characterized in that: The clamping assembly comprises a pair of connecting shafts (13) fixedly connected with the side wall of the second support seat (3), and the side wall of the connecting shaft (13) is rotatably connected with a connecting plate (12).

3. A machine for applying an internal pipeline coating to the inside of a pipe according to claim 2, wherein: One end of the connecting plate (12) is rotatably connected with a connecting column (14), and the side wall of the connecting column (14) is fixedly connected with a fixed block (15).

4. A machine for applying an internal pipeline coating to the inside of a pipe according to claim 3, wherein: The side wall of the fixed block (15) is fixedly connected with a fixed frame (5), a pipe body (6) is arranged between a pair of fixed frames (5), and the other end of the connecting plate (12) is fixedly connected with a moving column (22).

5. A machine for applying an internal pipeline coating to the inside of a pipe according to claim 4, wherein: The top of the base (1) is fixedly connected with an electric push rod (4), and the output end of the electric push rod (4) is fixedly connected with a moving plate (10).

6. A machine for applying an internal pipeline coating to the inside of a pipe according to claim 5, wherein: One end of the moving plate (10) is fixedly connected with a connecting block (11), the inside of the connecting block (11) is provided with a slot, and the moving column (22) slides in the slot.

7. A machine for applying an internal pipeline coating to the inside of a pipe according to claim 6, wherein: The side wall of the first support seat (2) is fixedly connected with a support plate (7), the top of the support plate (7) is fixedly connected with a motor (8), the output end of the motor (8) is fixedly connected with a gear (9), and the gear (9) is engaged with the rack (16).

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