Protective clamping device for vertical column welding paint

Abstract

The utility model discloses a stand column welding paint protection clamping device which comprises a fixing frame and a shearing force mechanical jack, the shearing force mechanical jack is arranged on the fixing frame, the shearing force mechanical jack is adjusted so that the shearing force mechanical jack and the fixing frame can abut against a lower wing plate of I-shaped steel, and the I-shaped steel is clamped on the fixing frame. The fixing frame is connected with square steel, one end, away from the fixing frame, of the square steel is connected with a bearing, the bearing is connected with a round pipe, the round pipe is provided with a nut, a screw is screwed on the nut, one end, away from the nut, of the screw is connected with angle steel, and the angle steel abuts against the fireproof blanket. The stand column welding paint protection clamping device is suitable for protection of various pipe diameters, has high universality, enables a fireproof blanket to overcome the dead weight and not to fall off, can also prevent the fireproof blanket from falling off when bearing external force, overcomes the complexity that protection devices of various sizes need to be manufactured for rigid protection, saves cost, and is suitable for popularization and application. The labor intensity is reduced.

Description

Technical Field

[0001] The utility model belongs to the field of ocean engineering, and particularly relates to a clamping device for protecting the paint during column welding. Background Art

[0002] During the general assembly stage of the onshore construction of an offshore oil platform, since the offshore oil platform is composed of many small units spliced together, the paint spraying operation has been completed for each unit before splicing. When closing up, there are many fillet welds of columns with different diameters.

[0003] Welding is a hot work operation, and the sparks cause serious damage to the paint on the column body. According to the quality requirements, the paint needs to be repaired later, which increases the project production cost and construction period, and also causes pollution to the environment.

[0004] Therefore, it is urgent to design a clamping device for protecting the paint during column welding to solve the above-mentioned paint protection problem. Content of the Utility Model

[0005] In order to solve the technical problems that the sparks cause serious damage to the paint on the column body as mentioned in the background art, the paint needs to be repaired later according to the quality requirements, which increases the project production cost and construction period, and also causes pollution to the environment, a clamping device for protecting the paint during column welding is provided to solve the paint protection problem.

[0006] To achieve the above purpose, the specific technical solution of the clamping device for protecting the paint during column welding of the utility model is as follows:

[0007] A clamping device for protecting the paint during column welding includes a fixed frame and a shear mechanical jack. The shear mechanical jack is arranged on the fixed frame. The shear mechanical jack is adjusted so that both the shear mechanical jack and the fixed frame are abutted against the lower flange of the I-beam. The fixed frame is connected with a square steel. One end of the square steel far away from the fixed frame is connected with a bearing. A round tube is connected to the bearing. A nut is arranged on the round tube. A screw rod is screwed on the nut. One end of the screw rod far away from the nut is connected with an angle steel. The angle steel is abutted against a fireproof blanket.

[0008] Further, the square steel includes a first square steel and a second square steel. The second square steel is inserted into the first square steel. The first square steel is welded on the fixed frame.

[0009] Further, corresponding bolt holes are formed on the first square steel and the second square steel. A positioning bolt is screwed in the bolt hole to fix the second square steel.

[0010] Further, the fixed frame is C-shaped. A shear mechanical jack is fixedly connected to the upper side of the C-shaped opening of the fixed frame. The shear mechanical jack is adjusted so that both the shear mechanical jack and the lower side of the fixed frame are abutted against the lower flange of the I-beam.

[0011] Further, one end of the second square steel away from the first square steel is welded to the bearing, and a round tube is perpendicularly welded to one side of the bearing away from the second square steel.

[0012] Further, one end of the round tube away from the bearing is perpendicularly connected with a nut, a screw rod is screwed on the nut, and one end of the screw rod away from the nut is connected with an angle steel to enable the angle steel to extrude the fireproof blanket.

[0013] Further, a connecting pipe is arranged on the angle steel, and the screw rod is inserted into the connecting pipe to position the screw rod.

[0014] Further, a rotating handle is arranged at one end of the screw rod away from the angle steel, and by rotating the rotating handle, the screw rod can move horizontally.

[0015] Further, the connecting pipe is perpendicularly welded at the right angle of the angle steel.

[0016] Further, one end of the second square steel is perpendicularly welded to the outer ring of the bearing, and the round tube is perpendicularly welded to the inner ring of the bearing.

[0017] The column welding paint protection clamping device of the present utility model has the following advantages:

[0018] By being used in cooperation with the fireproof blanket, the flexibility of the fireproof blanket is utilized to wrap round tube columns with different diameters, and the applicable range is wider. Fix the device to the lower flange of the upper I-beam of the column, adjust the height by using the square steel, adjust the direction by using the bearing, place the angle steel at the overlapping position of the fireproof blanket, and rotate the screw rod to form sufficient fastening force on the angle steel to prevent the fireproof blanket from falling off when subjected to external forces. This application is applicable to the protection of various pipe diameters, has strong versatility, enables the fireproof blanket not only to overcome its own weight and not fall off, but also to prevent falling off when subjected to external forces, overcomes the complexity of manufacturing various-sized protection devices for rigid protection, saves costs, and reduces labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the column welding paint protection clamping device of the present utility model;

[0020] Figure 2 is a side view of the column welding paint protection clamping device of the present utility model.

[0021] Explanation of the marks in the figure:

[0022] 1, fixed frame; 2, shear mechanical jack; 3, first square steel; 4, second square steel; 5, bearing; 6, round tube; 7, nut; 8, screw rod; 9, angle steel; 10, connecting pipe; 11, positioning bolt; 12, rotating handle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Those skilled in the art can understand that although some of the embodiments herein include certain features included in other embodiments rather than other features, the combination of the features of different embodiments means that it is within the scope of the present utility model and forms different embodiments. For example, in the claims, any one of the claimed embodiments can be used in any combination.

[0025] Next, refer to the attached Figure 1 to the attached Figure 2 Describe the column welding paint protection clamping device of the present utility model.

[0026] As Figure 1 shown, the column welding paint protection clamping device in the present utility model includes a fixed frame 1 and a shear mechanical jack 2. The shear mechanical jack 2 is arranged on the fixed frame 1. Adjust the shear mechanical jack 2 so that both the shear mechanical jack 2 and the fixed frame 1 are in contact with the lower flange of the I-beam. The fixed frame is connected with square steel. One end of the square steel away from the fixed frame 1 is connected with a bearing 5. A round tube 6 is connected to the bearing 2. A nut 7 is provided on the round tube 6. A screw rod 8 is screwed on the nut 7. One end of the screw rod 8 away from the nut 7 is connected with an angle steel 9. The angle steel 9 is in contact with the fireproof blanket. By cooperating with the fireproof blanket, the flexibility of the fireproof blanket is used to wrap round tube columns with different diameters, and the applicable range is wider. Fix the device on the lower flange of the upper I-beam of the column, adjust the height with the square steel, adjust the direction with the bearing 5, place the angle steel 9 at the overlapping part of the fireproof blanket, and rotate the screw rod 8 to form sufficient fastening force on the angle steel 9 to prevent the fireproof blanket from falling off when subjected to external forces. This application is applicable to the protection of various pipe diameters, has strong versatility, enables the fireproof blanket not only to overcome its own weight and not fall off, but also to prevent falling off when subjected to external forces, overcomes the complexity of making various size protection devices for rigid protection, saves costs and reduces labor intensity.

[0027] Further, as Figure 1 and Figure 2As shown in the figure, the square steel includes a first square steel 3 and a second square steel 4. The second square steel 4 is inserted into the first square steel 3, and the first square steel 3 is welded to the fixed frame 1. Corresponding bolt holes are provided on the first square steel 3 and the second square steel 4, and a positioning bolt 11 is screwed into the bolt holes to fix the second square steel 4. The fixed frame 1 is in a C shape, and a shear mechanical jack 2 is fixedly connected to the upper side of the C-shaped opening of the fixed frame 1. The shear mechanical jack 2 is adjusted so that both the shear mechanical jack 2 and the lower side of the fixed frame 1 are in contact with the lower flange of the I-beam.

[0028] In this embodiment, preferably, the thicknesses of both the first square steel 3 and the second square steel 4 are not less than 5 mm to ensure sufficient strength. The second square steel 4 is slidably arranged in the first square steel 3, and the end of the first square steel 3 away from the insertion end of the second square steel 4 is welded to the fixed frame 1.

[0029] A plurality of bolt holes are correspondingly provided on one side of the first square steel 3 and the second square steel 4, and a positioning bolt 11 is screwed into the bolt holes. By changing the screwing position of the positioning bolt 11, the second square steel 4 is fixed, and the length adjustment of the square steel is realized.

[0030] Preferably, the fixed frame 1 is arranged in a C shape, and a shear mechanical jack 2 is fixedly arranged on the upper part of one side of the C-shaped opening of the fixed frame 1. By adjusting the shear mechanical jack 2, the device is fixed to the lower flange of the I-beam.

[0031] Furthermore, as Figure 1 shown, one end of the second square steel 4 away from the first square steel 3 is welded to a bearing 5, and a round tube 6 is perpendicularly welded to the side of the bearing 5 away from the second square steel 4. One end of the round tube 6 away from the bearing 5 is perpendicularly connected to a nut 7, and a screw rod 8 is screwed onto the nut 7. One end of the screw rod 8 away from the nut 7 is connected to an angle steel 9 to press the fireproof blanket by the angle steel 9. A connecting pipe 10 is provided on the angle steel 9, and the screw rod 8 is inserted into the connecting pipe 10 to position the screw rod 8.

[0032] In this embodiment, one end of the second square steel 4 away from the first square steel 3 is welded to the bearing 5, and the side of the bearing 5 away from the second square steel 4 is perpendicularly welded to the round tube 6, and then it rotates through the bearing 5 to adjust the direction.

[0033] A nut 7 is perpendicularly welded to one end of the round tube 6 away from the bearing 5, and a screw rod 8 is screwed onto the nut 7. Preferably, one end of the screw rod 8 away from the nut 7 is inserted and matched with the connecting pipe 10 of the angle steel 9, and the diameter of the screw rod 8 is not less than 8 mm. Then, the angle steel 9 generates pressure on the fireproof blanket through the screw rod 8, so that the fireproof blanket surrounding the column is prevented from falling off.

[0034] Furthermore, as Figure 1As shown, a rotating handle 12 is provided at one end of the screw rod 8 away from the angle steel 9. By rotating the rotating handle 12, the screw rod 8 can be moved horizontally; the connecting pipe 10 is vertically welded at the right angle of the angle steel 9; one end of the second square steel 4 is vertically welded to the outer ring of the bearing 5, and the round pipe 6 is vertically welded to the inner ring of the bearing 5.

[0035] In this embodiment, preferably, a rotating handle 12 is welded to one end of the screw rod 8 away from the angle steel 9. The rotating handle 12 and the screw rod 8 are on the same horizontal line. By rotating the rotating handle 12, the screw rod 8 is inserted into the connecting pipe 10 horizontally, so as to generate a fastening force on the fireproof blanket by the angle steel 9; the connecting pipe 12 is vertically welded to the outer wall at the right angle of the angle steel 9 to make the pressure distribution of the angle steel 9 uniform.

[0036] One end of the second square steel 4 away from the first square steel 3 is vertically welded to the outer ring of the bearing 5, and a round pipe 6 is vertically welded to the inner ring on the side of the bearing 5 away from the second square steel 4 to facilitate direction adjustment by rotating the bearing 5.

[0037] The working principle of the column welding paint protection clamping device in the present utility model is as follows:

[0038] A shear mechanical jack 2 is horizontally welded on the upper side inside the fixed frame 1. By adjusting the shear mechanical jack 2, the device is fixed to the lower flange of the I-beam; a first square steel 3 is welded to the side of the C-shaped fixed frame 1, and a second square steel 4 is inserted into the first square steel 3. By inserting and pulling out the second square steel 4, the extended length is adjusted, and the two are positioned and fixed with a positioning bolt 11; the lower end of the second square steel 4 is welded to the outer ring of the bearing 5, the inner ring of the bearing 5 is welded with a round pipe 6, and the other end of the round pipe 6 is vertically welded with a nut 7 to adjust the direction by rotating the bearing 5. The nut 7 is screwed into a matching screw rod 8, and an angle steel 9 is arranged at the other end of the screw rod 8 on the overlapping part of the fireproof blanket; a connecting pipe 10 is welded at the right angle of the angle steel 9 for positioning the screw rod 8 and preventing the rotation center. The screw rod 8 is inserted into the connecting pipe 10, and by rotating the screw rod 8, the angle steel 9 generates pressure on the fireproof blanket.

[0039] Based on the column welding paint protection clamping device, the present utility model is used in cooperation with a fireproof blanket. By using the softness of the fireproof blanket, round pipe columns with different diameters can be wrapped, and the applicable range is wider. Fix the device to the lower flange of the upper I-beam of the column, adjust the height by using the first square steel 3 and the second square steel 4, adjust the direction by using the bearing 5, place the angle steel 9 at the overlapping part of the fireproof blanket, and rotate the screw rod 8 to form sufficient fastening force on the angle steel 9 to prevent the fireproof blanket from falling off when subjected to external forces. This application is applicable to the protection of various pipe diameters, has strong versatility, enables the fireproof blanket not only to overcome its own weight and not fall off, but also to prevent falling off when subjected to external forces, overcomes the complexity of making various size protection devices for rigid protection, saves costs, and reduces labor intensity.

[0040] Obviously, the above embodiments of the present utility model are merely examples for clearly illustrating the present utility model, rather than limitations on the implementation manners of the present utility model. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all implementation manners here. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the claims of the present utility model.

Claims

1. A clamping device for protecting the welding and painting of columns, characterized in that, It includes a fixed frame and a shear mechanical jack. The shear mechanical jack is arranged on the fixed frame. The shear mechanical jack is adjusted so that both the shear mechanical jack and the fixed frame are in contact with the lower flange of the I-beam. The fixed frame is connected with square steel. One end of the square steel away from the fixed frame is connected with a bearing, and a round tube is connected to the bearing. The round tube is provided with a nut, and a screw is screwed on the nut. One end of the screw away from the nut is connected with an angle steel, and the angle steel abuts against the fireproof blanket.

2. The column welding paint protection clamping device according to claim 1, wherein, The square steel includes a first square steel and a second square steel. The second square steel is inserted into the first square steel, and the first square steel is welded to the fixed frame.

3. The column welding paint protection clamping device according to claim 2, wherein Corresponding bolt holes are formed in the first square steel and the second square steel, and positioning bolts are screwed in the bolt holes to fix the second square steel.

4. The column welding paint protection clamping device according to claim 1, characterized in that, The fixed frame is C-shaped. A shear mechanical jack is fixedly connected to the upper side of the C-shaped opening of the fixed frame. The shear mechanical jack is adjusted so that both the shear mechanical jack and the lower side of the fixed frame are in contact with the lower flange of the I-beam.

5. The column welding paint protection clamping device according to claim 3, characterized in that, One end of the second square steel away from the first square steel is welded to the bearing, and a round tube is perpendicularly welded to the side of the bearing away from the second square steel.

6. The column welding paint protection clamping device according to claim 5, characterized in that One end of the round tube away from the bearing is perpendicularly connected with a nut, and a screw is screwed on the nut. One end of the screw away from the nut is connected with an angle steel to squeeze the fireproof blanket with the angle steel.

7. The column welding paint protection clamping device according to claim 6, characterized in that, A connecting tube is provided on the angle steel, and the screw is inserted into the connecting tube to position the screw.

8. The column welding paint protection clamping device according to claim 7, wherein A rotating handle is provided at one end of the screw away from the angle steel. The rotating handle is rotated to move the screw in the horizontal direction.

9. The column welding paint protection clamping device according to claim 7, characterized in that, The connecting tube is perpendicularly welded at the right angle of the angle steel.

10. The column welding paint protection clamping device according to claim 5, characterized in that, One end of the second square steel is perpendicularly welded to the outer ring of the bearing, and the round tube is perpendicularly welded to the inner ring of the bearing.

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