Grouting device and method for side wall of circular pipe steel column

Abstract

The invention relates to the technical field of steel column side wall filling, in particular to a circular pipe steel column side wall grouting device and a filling method.The circular pipe steel column side wall grouting device comprises a movable support and a grouting hopper, a bottom plate is installed on the movable support, a driving assembly for driving the bottom plate to move up and down is arranged on the movable support, and a slurry inlet pipe is fixed to one side of the grouting hopper; the side, away from the grouting hopper, of the grout inlet pipe is inserted into a grouting hole in the side wall of the steel column, the grout inlet pipe is hinged to the bottom plate, a hydraulic cylinder is arranged on the side, away from the grout inlet pipe, of the grouting hopper, a piston rod of the hydraulic cylinder is hinged to the side wall of the grouting hopper, and the bottom of the hydraulic cylinder is hinged to the bottom plate. The grouting device is simple in structure and convenient to construct, and the grouting efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of the filling method for the side wall of a circular steel pipe column, and in particular to a grouting device and a filling method for the side wall of a circular steel pipe column. Background Art

[0002] In the steel structure, grouting of steel columns is generally carried out by opening grouting holes at the top or bottom of the steel columns. However, the height of the top of the steel column given by the design is generally 1.37 m higher than the floor slab. To improve the installation progress and save the time waiting for grouting, a method of opening grouting holes on the side wall of the steel column is designed. Facing this different way of opening grouting holes from the traditional one, a new grouting method for the side wall of a circular steel pipe column must be used. Summary of the Invention

[0003] In order to solve the problems existing in the above-mentioned prior art, the present invention provides a grouting device and a filling method for the side wall of a circular steel pipe column.

[0004] On the one hand, a grouting device for the side wall of a circular steel pipe column provided by the present invention adopts the following technical solutions: A grouting device for the side wall of a circular steel pipe column includes a movable support and a grouting hopper. A bottom plate is installed on the movable support, and a driving component for driving the bottom plate to move up and down is arranged on the movable support. One side of the grouting hopper is fixed with a grout inlet pipe. The side of the grout inlet pipe away from the grouting hopper is inserted into the grouting hole on the side wall of the steel column. The grout inlet pipe is hinged to the bottom plate. A hydraulic cylinder is arranged on the side of the grouting hopper away from the grout inlet pipe. The piston rod of the hydraulic cylinder is hinged to the side wall of the grouting hopper, and the bottom of the hydraulic cylinder is hinged to the bottom plate.

[0005] Optionally, the driving component includes a motor and a lead screw. The lead screw passes through the bottom plate and is threadedly connected to the bottom plate. The motor is fixed on the movable support, and the output shaft of the motor is fixed to the lead screw. Guide rods are arranged at the four corners of the bottom plate. The guide rods penetrate the bottom plate, and both ends of the guide rods are fixedly connected to the movable support.

[0006] Optionally, two first support plates are fixed on the bottom plate. The grout inlet pipe is located between the two first support plates. A first connecting block is fixed at the top of the grout inlet pipe, and a rotating shaft is fixed on the first connecting block. The rotating shaft is rotatably connected to the first support plate.

[0007] Optionally, two second support plates are fixed on the bottom plate. The grouting hopper is located between the two second support plates. A second connecting block is fixed on the side wall of the grouting hopper. A chute is opened on the second support plate. The second connecting block is slidably connected to the chute. The trajectory of the chute is set centered on the rotating shaft.

[0008] On the other hand, the present invention also discloses a filling method for the side wall of a circular steel pipe column, including the following steps: S1. Fabricate the grouting hopper and the grout inlet pipe, and weld the grouting hopper and the grout inlet pipe together; S2, installing the grouting bucket on the bottom plate, so that the grouting pipe is hinged to the first support plate, and the side wall of the grouting bucket is hinged to the piston rod of the hydraulic cylinder; S3, the hydraulic cylinder drives the grouting bucket to tilt, and the driving assembly drives the bottom plate, thereby adjusting the height of the bottom plate and pushing the movable bracket to insert the grouting pipe into the grouting hole of the steel column; S4. Use film to wrap and cover the outside of the grouting hole of the steel column; S5. Use a tower crane to lift the concrete hopper, open the concrete hopper, and the concrete falls into the grouting bucket to pour mortar into the steel column.

[0009] Compared with the prior art, the present invention has the following technical effects: In the present invention, the grouting holes of the steel column are opened on the side wall of the steel column, and a movable grouting device is provided. The grouting bucket can move up and down, and can adapt to the grouting of grouting holes at different heights. The grouting device and grouting method of the present invention have a simple structure, convenient construction, and improved grouting efficiency. The film is wrapped around the outside of the grouting hole of the steel column, which can reduce pollution during grouting. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the base plate and the grouting bucket of the present invention; Figure 3 It is a schematic diagram of the grouting pipe inserted into the grouting hole of the steel column in the present invention.

[0011] Explanation of the reference numerals in the accompanying drawings: 1. movable bracket; 11. brake universal wheel; 2. grouting bucket; 21. slurry inlet pipe; 22. first connecting block; 23. rotating shaft; 3. bottom plate; 31. first support plate; 32. hydraulic cylinder; 33. second support plate; 34. second connecting block; 35. slide groove; 36. fixed block; 4. driving assembly; 41. motor; 42. screw rod; 43. guide rod; 5. steel column; 51. grouting hole. DETAILED DESCRIPTION

[0012] The following is combined with Figure 1 -Attached Figure 3 The present invention is described in further detail.

[0013] Reference Figure 1 , Figure 2 and Figure 3 The embodiment of the present invention discloses a grouting device for the side wall of a round tube steel column, comprising a movable bracket 1 and a grouting bucket 2, wherein a brake universal wheel 11 is installed at the bottom of the movable bracket 1. The grouting bucket 2 is installed on the movable bracket 1. A grouting pipe 21 is fixed to one side of the grouting bucket 2. A bottom plate 3 is connected to the movable bracket 1, and a driving component 4 for driving the bottom plate 3 to move up and down is arranged on the movable bracket 1.

[0014] A first connection block 22 is fixed to the top of the slurry inlet pipe 21, and two first support plates 31 are fixed to the top of the bottom plate 3. The slurry inlet pipe 21 is located between the two first support plates 31. A rotating shaft 23 is fixed to the first connection block 22, and the rotating shaft 23 is rotatably connected to the first support plate 31. A hydraulic cylinder 32 is hinged to the bottom plate 3, and the piston rod of the hydraulic cylinder 32 is hinged to the side wall of the grouting hopper 2 away from the slurry inlet pipe 21. The hydraulic cylinder 32 can drive the grouting hopper 2 to rotate along the rotating shaft 23, so that the grouting hopper 2 is inclined.

[0015] Second support plates 33 are arranged on both sides of the grouting hopper 2. The second support plates 33 are fixed to the bottom plate 3. A second connection block 34 is fixed to the side wall of the grouting hopper 2. A sliding groove 35 is formed in the second support plate 33. The trajectory of the sliding groove 35 is centered on the rotating shaft 23, and the second connection block 34 is slidably connected to the sliding groove 35. When the grouting hopper 2 rotates along the rotating shaft 23, the second connection block 34 slides along the sliding groove 35, thereby increasing the stability of the grouting hopper 2.

[0016] The driving assembly 4 includes a motor 41 and a lead screw 42. A fixed block 36 is fixed to the bottom plate 3. The lead screw 42 passes through the bottom plate 3 and the fixed block 36, and the lead screw 42 is threadedly connected to the fixed block 36. The motor 41 is fixed to the bottom of the movable support 1, and the output shaft of the motor 41 is fixed to the lead screw 42. Guide rods 43 are arranged at the four corners of the bottom plate 3, and both ends of the guide rods 43 are fixed to the movable support 1. When the motor 41 rotates, the lead screw 42 drives the bottom plate 3 to move up and down.

[0017] A grouting hole 51 is formed in the side wall of the steel column 5. When grouting the steel column 5, first, the hydraulic cylinder 32 drives the grouting hopper 2 to be inclined, then the height of the bottom plate 3 and the grouting hopper 2 is adjusted, the movable support 1 is pushed close to the steel column 5, so that the slurry inlet pipe 21 is inserted into the grouting hole 51, a concrete hopper is hoisted by a crane, the concrete hopper is opened, and the concrete on the concrete hopper falls into the grouting hopper 2 and finally enters the steel column 5.

[0018] The present invention also provides a method for grouting the side wall of a circular steel column, including the following steps: S1. Fabricate the grouting hopper 2 and the slurry inlet pipe 21. Both the grouting hopper 2 and the slurry inlet pipe 21 are welded by iron sheets, and the grouting hopper 2 and the slurry inlet pipe 21 are welded into one body.

[0019] S2. Install the grouting hopper 2 on the bottom plate 3, so that the slurry inlet pipe 21 is hinged to the first support plate 31, and the side wall of the grouting hopper 2 is hinged to the piston rod of the hydraulic cylinder 32.

[0020] S3. The hydraulic cylinder 32 drives the grouting hopper 2 to be inclined, the driving assembly 4 drives the bottom plate 3, thereby adjusting the height of the bottom plate 3, and pushing the movable support 1, so that the slurry inlet pipe 21 is inserted into the grouting hole 51 of the steel column 5.

[0021] S4. Use a thin film to wrap and cover the outside of the grouting hole 51 of the steel column 5 to prevent the grouting hole 51 from contaminating the surface of the steel column 5.

[0022] S5. Use a tower crane to hoist the concrete hopper, open the concrete hopper, and let the concrete fall into the grouting hopper 2 to grout the steel column 5 with mortar.

[0023] In the present invention, the grouting hole 51 of the steel column 5 is opened on the side wall of the steel column 5, and a movable grouting device is provided. The grouting hopper 2 can move up and down to adapt to grouting of grouting holes 51 at different heights. The grouting device and grouting method of the present invention have a simple structure, convenient construction, and improved grouting efficiency. The thin film is wrapped and covered on the outside of the grouting hole 51 of the steel column 5, which can reduce pollution during grouting.

[0024] The above are all the preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention shall be covered within the protection scope of the present invention.

Claims

1. A grouting device for the side wall of a circular steel column, characterized in that: The invention comprises a movable support (1) and a grouting bucket (2), wherein a bottom plate (3) is mounted on the movable support (1), and a driving assembly (4) for driving the bottom plate (3) to move up and down is arranged on the movable support (1), a grouting pipe (21) is fixed on one side of the grouting bucket (2), and the side of the grouting pipe (21) away from the grouting bucket (2) is inserted into a grouting hole (51) on the side wall of a steel column (5), the grouting pipe (21) is hingedly arranged with the bottom plate (3), and a hydraulic cylinder (32) is arranged on the side of the grouting bucket (2) away from the grouting pipe (21), a piston rod of the hydraulic cylinder (32) is hingedly arranged with the side wall of the grouting bucket (2), and the bottom of the hydraulic cylinder (32) is hingedly arranged with the bottom plate (3).

2. The round tube steel column side wall grouting device according to claim 1 is characterized in that: The driving assembly (4) comprises a motor (41) and a screw rod (42), wherein the screw rod (42) passes through the bottom plate (3) and is threadedly connected to the bottom plate (3), the motor (41) is fixed on the movable bracket (1), the output shaft of the motor (41) is fixed to the screw rod (42), and guide rods (43) are provided on the four corners of the bottom plate (3), the guide rods (43) pass through the bottom plate (3), and both ends of the guide rods (43) are evenly fixed to the movable bracket (1).

3. The round tube steel column side wall grouting device according to claim 1 is characterized in that: Two first support plates (31) are fixed on the bottom plate (3), the pulp inlet pipe (21) is located between the two first support plates (31), a first connecting block (22) is fixed on the top of the pulp inlet pipe (21), a rotating shaft (23) is fixed on the first connecting block (22), and the rotating shaft (23) is rotatably connected to the first support plate (31).

4. The round tube steel column side wall grouting device according to claim 3 is characterized in that: Two second support plates (33) are fixed on the bottom plate (3), the grouting bucket (2) is located between the two second support plates (33), a second connecting block (34) is fixed on the side wall of the grouting bucket (2), a slide groove (35) is provided on the second support plate (33), the second connecting block (34) is slidably connected to the slide groove (35), and the track of the slide groove (35) is set with the rotating shaft (23) as the center.

5. A method for filling the side wall of a round tube steel column, characterized in that: The steps include: S1, manufacturing a grouting bucket (2) and a grouting inlet pipe (21), and welding the grouting bucket (2) and the grouting inlet pipe (21) together; S2, installing the grouting bucket (2) on the bottom plate (3), so that the grouting pipe (21) and the first support plate (31) are hingedly arranged, and the side wall of the grouting bucket (2) and the piston rod of the hydraulic cylinder (32) are hingedly arranged; S3, the hydraulic cylinder (32) drives the grouting bucket (2) to tilt, and the driving assembly (4) drives the bottom plate (3), thereby adjusting the height of the bottom plate (3), pushing the movable bracket (1), and inserting the grouting pipe (21) into the grouting hole (51) of the steel column (5); S4, using a film to wrap and cover the outside of the grouting hole (51) of the steel column (5); S5. Use a tower crane to lift a concrete hopper, open the concrete hopper, and allow concrete to fall into the grouting hopper (2), and grout the steel column (5) with mortar.

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