Hanging bracket device for overall sand blasting and corrosion prevention of large vertical storage tank

Abstract

The invention relates to a hanging bracket device for overall sand blasting and corrosion prevention of a large vertical storage tank. A fixed column is arranged near a tank top platform; the inner diameter of the circular pipe is larger than the diameter of the fixing column, and the cross rod is vertically connected to the middle of the circular pipe; the round pipe is sleeved outside the fixed column, and one end, far away from the fixed column, of the cross rod extends out of the top of the storage tank; the driving device is arranged at the edge position of the top of the storage tank, and the two ends of the driving frame are connected with the driving device and the cross rod respectively; the hanging ladder is arranged at the end, away from the fixing column, of the transverse rod, and the hanging cage is arranged on the hanging ladder. The device is simple in structure, flexible to adjust and convenient to disassemble, sand blasting corrosion prevention can be carried out on the whole vertical storage tank, and the whole corrosion prevention effect of the storage tank is improved; and through the design of the driving device, the device main body can rotate around the fixing column, so that the time and the labor cost for manually adjusting the device are saved, and the working efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of large vertical storage tank integral sandblasting anti-corrosion equipment, and in particular to a hanger device used for large vertical storage tank integral sandblasting anti-corrosion. Background Art

[0002] At present, there are two main methods for rust removal and anti-corrosion construction of storage tanks. One is to build a scaffolding from bottom to top. Due to the large diameter and high height of the storage tank, the required scaffolding area is large, the installation is difficult, and it is time-consuming and labor-intensive. The other method is to use high-altitude hanging board construction, which requires construction workers to have high-altitude work qualifications. Both construction methods are costly, time-consuming and labor-intensive. Therefore, it is of great significance to design and develop a device for rust removal and anti-corrosion of large vertical storage tanks that is easy to install, low-cost, and simple to operate. Summary of the invention

[0003] In view of the problems in the above-mentioned prior art of high cost of rust removal and anti-corrosion construction and time-consuming and labor-intensive device installation, the present invention provides a hanger device for integral sandblasting and anti-corrosion of large vertical storage tanks. The device has a simple structure and is easy to install, and can significantly improve production efficiency.

[0004] To achieve the above object, the technical solution of the present invention is as follows:

[0005] A hanger device for integral sandblasting and anti-corrosion of a large vertical storage tank comprises a fixed column, a cantilever, a driving device, a driving frame, a hanging ladder, a hanging cage, a safety rope and a lifting lug; a tank top platform is provided at the center of the tank top, and the fixed column is arranged near the tank top platform; the cantilever comprises a round tube and a cross bar, the inner diameter of the round tube is greater than the diameter of the fixed column, and the cross bar is vertically connected to the middle of the round tube; the round tube is sleeved outside the fixed column, and the end of the cross bar away from the fixed column extends to the outside of the tank top; the driving device is arranged at the edge of the tank top, and the driving device comprises a driving device frame, a driving motor capable of remote control, a driving wheel and a driven wheel; the two ends of the driving frame are respectively connected to the driving device and the cross bar; the hanging ladder is provided at the end of the cross bar away from the fixed column, and the hanging cage is provided on the hanging ladder; the position of the cross bar near the fixed column is provided with a lifting lug, and the lifting lug is connected to the safety rope, and the safety rope extends along the cross bar in a direction away from the fixed column, and extends downward to the ground after reaching the end of the cross bar.

[0006] Furthermore, the driving frame is a triangular driving frame, one end of the two rods of the driving frame is respectively fixed to the two sides of the driving device frame, and the other end is fixed to the same position of the cross bar, and a horizontal bar is provided between the two rods of the driving frame.

[0007] Furthermore, the lifting lug is connected to the tank top platform via a steel wire rope.

[0008] Furthermore, a limiting block for preventing the hanging ladder from sliding is provided at one end of the cross bar away from the fixing column.

[0009] Furthermore, the hanging ladder is 0.5-2m away from the tank wall of the storage tank.

[0010] Furthermore, the cage is provided with a safety hook, and the cage is arranged on the hanging ladder through the safety hook.

[0011] Furthermore, there are two safety ropes.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The present invention provides a hanger device for the overall sandblasting anti-corrosion of a large vertical storage tank. The device has a simple structure, flexible adjustment, and convenient disassembly. It can perform sandblasting anti-corrosion on the entire vertical storage tank to improve the overall anti-corrosion effect of the storage tank. Through the design of the driving device, the device body can rotate around the fixed column, saving the time and labor cost of manually adjusting the device and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The embodiments of the present invention are further described below with reference to the accompanying drawings, in which:

[0015] Figure 1 A structural schematic diagram of an embodiment of a hanger device for integral sandblasting and corrosion protection of a large vertical storage tank is shown;

[0016] Figure 2 A partial enlarged view of the fixed column is shown;

[0017] Figure identification: 1-fixed column, 2-cantilever, 3-driving device, 4-driving frame, 5-hanging ladder, 6-cage, 7-safety rope, 8-lifting ear, 9-tank top platform, 10-limiting block. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below through specific embodiments in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0019] Reference Figure 1 and attached Figure 2A hanger device for integral sandblasting and anti-corrosion of large vertical storage tanks, comprising a fixed column 1, a cantilever 2, a driving device 3, a driving frame 4, a hanging ladder 5, a hanging cage 6, a safety rope 7 and a lifting lug 8; a tank top platform 9 is provided at the center of the tank top, and the fixed column 1 is arranged near the tank top platform 9; the cantilever 2 comprises a round tube and a cross bar, the inner diameter of the round tube is larger than the diameter of the fixed column 1, and the cross bar is vertically connected to the middle of the round tube; the round tube is sleeved outside the fixed column 1, and the end of the cross bar away from the fixed column 1 extends to the outside of the tank top; the driving device 3 is arranged on the side of the tank top The driving device 3 comprises a driving device frame, a driving motor capable of remote control, a driving wheel and a driven wheel; the two ends of the driving frame 4 are respectively connected to the driving device 3 and the cross bar, and the driving device 3 can drive the cross bar to rotate 360° around the fixed column 1; a hanging ladder 5 is provided at the end of the cross bar away from the fixed column 1, and a hanging cage 6 is provided on the hanging ladder 5; a lifting ear 8 is provided at a position of the cross bar close to the fixed column 1, and the lifting ear 8 is connected to a safety rope 7, and the safety rope 7 extends along the cross bar in a direction away from the fixed column 1, and extends downward to the ground after reaching the end of the cross bar.

[0020] In one embodiment of the present invention, the driving frame 4 is a triangular driving frame, one end of the two rods of the driving frame 4 is respectively fixed on both sides of the driving device frame, and the other end is fixed at the same position of the cross bar, and a horizontal bar is provided between the two rods of the driving frame 4.

[0021] In one embodiment of the present invention, the lifting lug 8 is connected to the tank top platform 9 via a steel wire rope to further fix the cantilever 2.

[0022] In one embodiment of the present invention, a limit block 10 is provided at one end of the crossbar away from the fixed column 1 for preventing the hanging ladder 5 from sliding down.

[0023] In one embodiment of the present invention, the hanging ladder 5 is 0.5-2 m away from the tank wall of the storage tank to facilitate sandblasting.

[0024] In one embodiment of the present invention, the cage 6 is provided with a safety hook, and the cage 6 is arranged on the hanging ladder 5 through the safety hook.

[0025] In one embodiment of the present invention, there are two safety ropes 7.

[0026] During construction, a hanger device for overall sandblasting and anti-corrosion of large vertical storage tanks is set on both sides of the tank top platform. The driving motor is turned on by remote control, so that the driving device 3 drives the cantilever 2 to rotate around the fixed column 1, so that the hanging ladder 5 connected to the cantilever 2 rotates around the storage tank, and the cage 6 set on the hanging ladder 5 rotates around the storage tank with the hanging ladder 5. The construction personnel are tied with safety ropes 7 and are in the cage 6 to perform sandblasting operations on the tank wall.

[0027] The present invention provides a hanger device for the overall sandblasting anti-corrosion of a large vertical storage tank. The device has a simple structure, flexible adjustment, and convenient disassembly. It can perform sandblasting anti-corrosion on the entire vertical storage tank to improve the overall anti-corrosion effect of the storage tank. Through the design of the driving device, the device body can rotate around the fixed column, saving the time and labor cost of manually adjusting the device and improving work efficiency.

[0028] Some exemplary embodiments of the present invention are described above. It can be understood that the above embodiments are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention. The features in these embodiments can be recombined in a suitable manner, and the scheme obtained thereby is still within the protection scope required by the present invention. Based on the above embodiments, all other embodiments obtained by those skilled in the art without making creative work, that is, all modifications, equivalent substitutions and improvements made within the spirit and principles of this application, fall within the protection scope required by the present invention.

Claims

1. A hanger device for integral sandblasting and anti-corrosion of large vertical storage tanks, characterized in that: The invention comprises a fixed column (1), a cantilever (2), a driving device (3), a driving frame (4), a hanging ladder (5), a hoist cage (6), a safety rope (7) and a lifting lug (8); a tank top platform (9) is provided at the center of the tank top, and the fixed column (1) is arranged near the tank top platform (9); the cantilever (2) comprises a round tube and a cross bar, the inner diameter of the round tube is larger than the diameter of the fixed column (1), and the cross bar is vertically connected to the middle of the round tube; the round tube is sleeved outside the fixed column (1), and one end of the cross bar away from the fixed column (1) extends to the outside of the tank top; the driving device (3) is arranged on the tank top The driving device (3) comprises a driving device frame, a driving motor capable of being remotely controlled, a driving wheel and a driven wheel; the two ends of the driving frame (4) are respectively connected to the driving device (3) and the cross bar; the end of the cross bar away from the fixed column (1) is provided with the hanging ladder (5), and the hanging ladder (5) is provided with the cage (6); the cross bar is provided with a lifting ear (8) at a position close to the fixed column (1), and the lifting ear (8) is connected to the safety rope (7), and the safety rope (7) extends along the cross bar in a direction away from the fixed column (1), and extends downward to the ground after reaching the end of the cross bar.

2. A hanger device for integral sandblasting and anti-corrosion of large vertical storage tanks according to claim 1, characterized in that: The driving frame (4) is a triangular driving frame, one end of the two rods of the driving frame (4) is respectively fixed to the two sides of the driving device frame, and the other end is fixed to the same position of the cross bar, and a horizontal bar is provided between the two rods of the driving frame (4).

3. A hanger device for integral sandblasting and anti-corrosion of large vertical storage tanks according to claim 1, characterized in that: The lifting lug (8) is connected to the tank top platform (9) via a steel wire rope.

4. A hanger device for integral sandblasting and anti-corrosion of large vertical storage tanks according to claim 1, characterized in that: A limiting block (10) for preventing the hanging ladder (5) from sliding off is provided at one end of the crossbar away from the fixing column (1).

5. A hanger device for integral sandblasting and anti-corrosion of large vertical storage tanks according to claim 1, characterized in that: The hanging ladder (5) is 0.5-2m away from the tank wall of the storage tank.

6. A hanger device for integral sandblasting and anti-corrosion of large vertical storage tanks according to claim 1, characterized in that: The cage (6) is provided with a safety hook, and the cage (6) is arranged on the hanging ladder (5) through the safety hook.

7. A hanger device for integral sandblasting and anti-corrosion of large vertical storage tanks according to claim 1, characterized in that: There are two safety ropes (7).

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