Spraying device for surface of steel pipe

Abstract

The utility model relates to the technical field of spraying devices, and discloses a spraying device for the surface of a steel pipe, which solves the problem that the existing spraying device is low in spraying efficiency, and comprises a steel pipe supporting table, a hoisting driving mechanism is arranged at the top of the steel pipe supporting table, and a spraying mechanism is arranged at the bottom end of the hoisting driving mechanism. The spraying mechanism is composed of a lifting driving assembly, a supporting cross beam, a spraying pipe, a plurality of sprayers, a first limiting assembly and a second limiting assembly, the lifting driving assembly is connected to the bottom end of the hoisting driving mechanism, the supporting cross beam is fixedly connected to the bottom end of the lifting driving assembly, the spraying pipe is fixedly connected to the bottom end of the supporting cross beam, and the sprayers are fixedly connected to the bottom end of the spraying pipe; the first limiting assembly and the second limiting assembly are connected to the two ends of the top of the supporting beam correspondingly. By means of the spraying device, continuous, rapid and comprehensive spraying operation on the steel pipe can be achieved, the steel pipe does not need to be mounted and dismounted, and the operation convenience and the spraying efficiency are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of spraying devices, in particular to a spraying device used for the surface of a steel pipe. Background Art

[0002] After the production and processing of steel pipes are completed, they usually need to be sprayed to improve the rust resistance and corrosion resistance of the steel pipes. The current spraying device used for the surface of steel pipes usually clamps and fixes the steel pipe through a positioning support mechanism, and drives the steel pipe to rotate, and then uses the spraying equipment to spray from one end of the steel pipe to the other end. This spraying method requires workers to frequently install and disassemble the steel pipe, which has a high work intensity and is not convenient for continuous spraying of the steel pipe, affecting work efficiency. Therefore, the present application proposes a spraying device for the surface of steel pipes to achieve an improvement on the existing spraying device. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a spraying device for the surface of a steel pipe, which effectively solves the problem of low spraying efficiency of the prior art spraying device.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spraying device for the surface of a steel pipe, comprising a steel pipe support platform, a hoisting drive mechanism is arranged on the top of the steel pipe support platform, a spraying mechanism is arranged on the bottom end of the hoisting drive mechanism, the spraying mechanism is composed of a lifting drive assembly, a supporting beam, a nozzle, a plurality of nozzles, a first limit assembly and a second limit assembly, the lifting drive assembly is connected to the bottom end of the lifting drive assembly, the supporting beam is fixedly connected to the bottom end of the lifting drive assembly, the nozzle is fixedly connected to the bottom end of the supporting beam, the nozzle is fixedly connected to the bottom end of the nozzle, and the first limit assembly and the second limit assembly are respectively connected to the two ends of the top of the supporting beam.

[0005] Preferably, the steel pipe support platform is composed of a support base, a plurality of strip support rails and a limit stop bar. One end of the top of the support base is an inclined structure, the strip support rail is fixedly connected to the other end of the top of the support base, and the limit stop bar is fixedly connected to the middle position of the top of the support base.

[0006] Preferably, the hoisting drive mechanism is composed of a hanger, an electric telescopic rod and a plurality of transverse limiting guide rods. The electric telescopic rod is inserted and connected to one end of the hanger and fixedly connected to the spraying mechanism. The transverse limiting guide rod is fixedly connected to both sides of the hanger and slidably inserted into the spraying mechanism.

[0007] Preferably, the lifting drive assembly is composed of a limit slide, a hydraulic rod and a plurality of vertical limit guide rods. The limit slide is slidably sleeved on the transverse limit guide rod and fixedly connected to one end of the electric telescopic rod. The hydraulic rod is inserted into the limit slide and fixedly connected thereto. The supporting beam is fixedly connected to the bottom end of the hydraulic rod. The vertical limit guide rod is fixedly connected to the two ends of the top of the supporting beam and slidably inserted into the limit slide. A limit plate is fixedly provided at the top of the vertical limit guide rod.

[0008] Preferably, the first limit assembly and the second limit assembly are both composed of a cylinder, a vertical support plate, a support shaft and a movable limit cone, the cylinder is fixedly connected to the top of the supporting beam, the vertical support plate is fixedly connected to one end of the cylinder, the support shaft is fixedly connected to the bottom end of one side of the vertical support plate, and the movable limit cone is rotatably connected to the support shaft through a bearing.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] (1) During operation, a steel pipe support platform consisting of a support base, a plurality of strip support rails and a limit stop bar is provided to support the steel pipe without installing or fixing the steel pipe. The steel pipe can be coordinated with the spraying mechanism to realize fast and efficient spraying of the steel pipe.

[0011] (2) By setting up a lifting drive mechanism consisting of a hanger, an electric telescopic rod and a plurality of lateral limit guide rods, the spraying mechanism can be driven to perform lateral reciprocating motion. By setting up a lifting drive assembly consisting of a limit slide, a hydraulic rod and a plurality of vertical limit guide rods, the supporting beam, the nozzle and the nozzle can be driven to lift and lower. By setting up the nozzle and the nozzle, the spraying operation can be achieved. By setting up a first limit assembly and a second limit assembly consisting of a cylinder, a vertical support plate, a support shaft and a movable limit cone, the steel pipe can be limited so that the steel pipe moves with the supporting beam, thereby achieving a comprehensive spraying operation during the movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0013] In the attached picture:

[0014] Figure 1 This is a schematic diagram of the structure of the spraying device used for the surface of a steel pipe according to the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the steel pipe support platform of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the hoisting drive mechanism of the utility model;

[0017] Figure 4 This is a schematic diagram of the spraying mechanism structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the first limit assembly of the utility model;

[0019] In the figure: 1. Steel pipe support platform; 2. Hoisting drive mechanism; 3. Spraying mechanism; 4. Lifting drive assembly; 5. Support beam; 6. Nozzle; 7. Nozzle; 8. First limit assembly; 9. Second limit assembly; 10. Support base; 11. Strip support guide rail; 12. Limit stop bar; 13. Hanger; 14. Electric telescopic rod; 15. Horizontal limit guide rod; 16. Limit slide; 17. Hydraulic rod; 18. Vertical limit guide rod; 19. Limit plate; 20. Cylinder; 21. Vertical support plate; 22. Support shaft; 23. Movable limit cone; 24. Bearing. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] Depend on Figure 1 and Figure 4 The utility model provides a spraying device for the surface of a steel pipe, comprising a steel pipe support platform 1, a hoisting drive mechanism 2 is arranged on the top of the steel pipe support platform 1, a spraying mechanism 3 is arranged on the bottom end of the hoisting drive mechanism 2, the spraying mechanism 3 is composed of a lifting drive assembly 4, a supporting beam 5, a nozzle 6, a plurality of nozzles 7, a first limit assembly 8 and a second limit assembly 9, the lifting drive assembly 4 is connected to the bottom end of the lifting drive mechanism 2, the supporting beam 5 is fixedly connected to the bottom end of the lifting drive assembly 4, the nozzle 6 is fixedly connected to the bottom end of the supporting beam 5, the nozzle 7 is fixedly connected to the bottom end of the nozzle 6, and the first limit assembly 8 and the second limit assembly 9 are respectively connected to the two ends of the top of the supporting beam 5;

[0022] When in use, the steel pipe is supported by the steel pipe support platform 1, the spraying mechanism 3 can be driven to reciprocate by the hoisting drive mechanism 2, the supporting crossbeam 5, the nozzle 6, the nozzle 7, the first limit assembly 8 and the second limit assembly 9 are driven to lift and lower by the lifting drive assembly 4, the steel pipe is limited by the first limit assembly 8 and the second limit assembly 9, the steel pipe is fully sprayed by the nozzle 6 and the nozzle 7, and the nozzle 6 is connected to the feeding mechanism through a hose to achieve continuous supply of paint;

[0023] Depend on Figures 1 to 5 It is given that the steel pipe support platform 1 is composed of a support base 10, a plurality of strip support rails 11 and a limit stop bar 12. One end of the top of the support base 10 is an inclined structure. The strip support rail 11 is fixedly connected to the other end of the top of the support base 10. The limit stop bar 12 is fixedly connected to the middle position of the top of the support base 10. The lifting drive mechanism 2 is composed of a hanger 13, an electric telescopic rod 14 and a plurality of transverse limit guide rods 15. The electric telescopic rod 14 is inserted and connected to one end of the hanger 13 and is fixedly connected to the spraying mechanism 3. The transverse limit guide rod 15 is fixedly connected to both sides of the inside of the hanger 13 and slidably inserted in the spraying mechanism 3. The lifting drive assembly 4 is composed of a limit slide 16, a hydraulic rod 17 and a plurality of vertical limit guide rods 18. The limit slide 16 is slidably sleeved on the transverse The limiting guide rod 15 is fixedly connected to one end of the electric telescopic rod 14, the hydraulic rod 17 is inserted into the limiting slide 16 and fixedly connected thereto, the supporting beam 5 is fixedly connected to the bottom end of the hydraulic rod 17, the vertical limiting guide rod 18 is fixedly connected to the two ends of the top of the supporting beam 5 and slidably inserted into the limiting slide 16, and a limiting plate 19 is fixedly arranged at the top of the vertical limiting guide rod 18. The first limiting assembly 8 and the second limiting assembly 9 are both composed of a cylinder 20, a vertical supporting plate 21, a supporting shaft 22 and a movable limiting cone 23. The cylinder 20 is fixedly connected to the top of the supporting beam 5, the vertical supporting plate 21 is fixedly connected to one end of the cylinder 20, the supporting shaft 22 is fixedly connected to the bottom end of one side of the vertical supporting plate 21, and the movable limiting cone 23 is rotatably connected to the supporting shaft 22 through a bearing 24;

[0024] A steel pipe is placed at one end of the top of the support base 10, and the steel pipe is limited by the limit stop bar 12 to prevent the steel pipe from rolling down by itself. The hoisting drive mechanism 2 moves the spraying mechanism 3 to the top of the steel pipe near the position of the limit stop bar 12. When the hoisting drive mechanism 2 is working, the electric telescopic rod 14 is started, and the spraying mechanism 3 can be driven to reciprocate by the telescopic movement of the electric telescopic rod 14. The spraying mechanism 3 can be limited by the lateral limit guide rod 15 to improve stability. The hydraulic rod 17 is started, and the support beam 5 is driven downward by the extension of the hydraulic rod 17. The support beam 5 can be limited by the vertical limit guide rod 18 to improve stability. At this time, the first limit component 8 and the second limit assembly 9 are respectively located at both ends of the steel pipe, and then the cylinder 20 is started, and the contraction of the cylinder 20 drives the vertical support plate 21, the support shaft 22 and the movable limit cone 23 to move to a position close to the steel pipe, so that the movable limit cone 23 is inserted into the interior of the steel pipe and contacts with the top surface inside the steel pipe, and then the lifting drive mechanism 2 drives the spraying mechanism 3 to move, and the spraying mechanism 3 drives the steel pipe to move to the top of the strip support guide rail 11, and rolls on the top of the strip support guide rail 11, and the spraying operation is realized through the nozzle 6 and the nozzle 7. Since the steel pipe is in a rolling state during the spraying process, the steel pipe is fully sprayed, and then the above steps are repeated to continuously spray multiple steel pipes.

[0025] During operation, by setting up a steel pipe support platform composed of a support base, a plurality of strip support rails and a limit stop bar, the steel pipe can be supported without installing and fixing the steel pipe, and can cooperate with the spraying mechanism to realize fast and efficient spraying operation of the steel pipe; by setting up a lifting drive mechanism composed of a hanger, an electric telescopic rod and a plurality of transverse limit guide rods, the spraying mechanism can be driven to perform transverse reciprocating motion, and by setting up a lifting drive assembly composed of a limit slide, a hydraulic rod and a plurality of vertical limit guide rods, the supporting beam, the nozzle and the nozzle can be driven to lift and lower, and by setting up the nozzle and the nozzle, the spraying operation can be realized, and by setting up a first limit assembly and a second limit assembly composed of a cylinder, a vertical support plate, a support shaft and a movable limit cone, the steel pipe can be limited so that the steel pipe moves with the supporting beam, and a comprehensive spraying operation can be realized during the movement.

Claims

1. A spraying device for a steel pipe surface, comprising a steel pipe support platform (1), characterized in that: The top of the steel pipe support platform (1) is provided with a hoisting drive mechanism (2), and the bottom end of the hoisting drive mechanism (2) is provided with a spraying mechanism (3). The spraying mechanism (3) is composed of a lifting drive assembly (4), a supporting crossbeam (5), a nozzle (6), a plurality of nozzles (7), a first limit assembly (8) and a second limit assembly (9). The lifting drive assembly (4) is connected to the bottom end of the hoisting drive mechanism (2), the supporting crossbeam (5) is fixedly connected to the bottom end of the lifting drive assembly (4), the nozzle (6) is fixedly connected to the bottom end of the supporting crossbeam (5), the nozzle (7) is fixedly connected to the bottom end of the nozzle (6), and the first limit assembly (8) and the second limit assembly (9) are respectively connected to the two ends of the top of the supporting crossbeam (5).

2. A spraying device for a steel pipe surface according to claim 1, characterized in that: The steel pipe support platform (1) is composed of a support base (10), a plurality of strip-shaped support guide rails (11) and a limit stop bar (12); one end of the top of the support base (10) is an inclined structure, the strip-shaped support guide rail (11) is fixedly connected to the other end of the top of the support base (10), and the limit stop bar (12) is fixedly connected to the middle position of the top of the support base (10).

3. A spraying device for a steel pipe surface according to claim 1, characterized in that: The hoisting drive mechanism (2) is composed of a hanger (13), an electric telescopic rod (14) and a plurality of transverse limiting guide rods (15); the electric telescopic rod (14) is inserted and connected to one end of the hanger (13) and is fixedly connected to the spraying mechanism (3); the transverse limiting guide rod (15) is fixedly connected to both sides of the hanger (13) and is slidably inserted into the spraying mechanism (3).

4. A spraying device for a steel pipe surface according to claim 3, characterized in that: The lifting drive assembly (4) is composed of a limit slide (16), a hydraulic rod (17) and a plurality of vertical limit guide rods (18); the limit slide (16) is slidably mounted on the transverse limit guide rod (15) and is fixedly connected to one end of the electric telescopic rod (14); the hydraulic rod (17) is inserted into the limit slide (16) and is fixedly connected thereto; the supporting crossbeam (5) is fixedly connected to the bottom end of the hydraulic rod (17); the vertical limit guide rod (18) is fixedly connected to the two ends of the top of the supporting crossbeam (5) and is slidably inserted into the limit slide (16); and a limit plate (19) is fixedly arranged at the top end of the vertical limit guide rod (18).

5. The spraying device for the surface of a steel pipe according to claim 1, characterized in that: The first limiting assembly (8) and the second limiting assembly (9) are both composed of a cylinder (20), a vertical support plate (21), a support shaft (22) and a movable limiting cone (23); the cylinder (20) is fixedly connected to the top end of the supporting crossbeam (5); the vertical support plate (21) is fixedly connected to one end of the cylinder (20); the support shaft (22) is fixedly connected to the bottom end of one side of the vertical support plate (21); and the movable limiting cone (23) is rotatably connected to the support shaft (22) via a bearing (24).

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