Cast-in-place column construction slag removal device

Abstract

The utility model discloses a slag removal device for cast-in-place column construction, and belongs to the technical field of building construction. Comprising a slag removal hopper and a movable plate, a bottom plate is fixedly welded to the bottom of the slag removal hopper, slag inlets are oppositely formed in the two sides of the bottom plate, a movable plate is rotatably installed at the bottom of the bottom plate and composed of two sets of fan-shaped blades, and slag removal shovels are arranged at the bottoms of the two sides of the movable plate. Cooperative operation of efficient slag removal and reliable bucket closing can be achieved through the double-rotation driving system, slag is prevented from falling off, the slag removal efficiency and quality of cast-in-place pile construction are remarkably improved, the service life of equipment is prolonged, and engineering requirements under complex geological conditions are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction technology technical field especially relates to a perfusion column construction slag removal device. BACKGROUND

[0002] Perfusion column construction slag removal is the key quality control procedure after perfusion pile hole forming, specifically refers to through special equipment to remove the loose residual slag, slurry and rock flour at the bottom of the hole, ensure that the pile foundation bearing capacity reaches the standard, this procedure directly influences the vertical bearing capacity and settlement deformation index of the pile foundation.

[0003] But the present perfusion column construction slag removal device mainly adopts traditional slag removal cylinder or grab type slag removal equipment, and has the following technical defects:

[0004] Traditional slag removal cylinder small single processing capacity, and needs repeatedly lifting unloading, operation efficiency is less than 0.5m 3 / h, it is difficult to meet the continuous construction demand, and the grab type equipment is easy to cause slag soil adhesion to the wall in the clay layer, lead to incomplete slag removal, and the sediment thickness often exceeds the standard.

[0005] Secondly, the existing equipment adopts gravity type gate closure, and the gate is easy to open accidentally due to the self weight of slag soil or hole wall friction in the lifting process, and the slag soil drop rate is as high as 15%-20%, which influences the slag removal quality.

[0006] Therefore, how to provide a perfusion column construction slag removal device is a problem to be solved by the person skilled in the art. UTILITY MODEL CONTENT

[0007] One purpose of the utility model is to provide a perfusion column construction slag removal device, the utility model can realize the cooperative operation of efficient slag removal and reliable gate closing through a double rotary driving system, prevent slag soil from falling, significantly improve the slag removal efficiency and quality of perfusion pile construction, prolong the service life of the equipment, and adapt to the engineering demand under complex geological conditions.

[0008] According to the perfusion column construction slag removal device of the utility model embodiment, the slag removal bucket and the movable plate are included.

[0009] The bottom plate is fixedly welded at the bottom of the slag cleaning bucket, opposite slag inlets are formed at the two sides of the bottom plate, a movable plate is rotatably installed at the bottom of the bottom plate, the movable plate is composed of two groups of fan-shaped blades, and slag shovels are arranged at the bottoms of the two sides of the movable plate. The slag cleaning bucket serves as a collection container for slag and provides storage space for slag cleaning operation. The welding of the bottom plate ensures the stability of the structure. The slag inlets provide channels for the slag into the slag cleaning bucket. The rotatable design of the movable plate enables the opening and closing of the slag inlets to be controlled in different working states. The movable plate composed of two groups of fan-shaped blades can effectively cover or open the slag inlets when rotating. The slag shovels are used to shovel the slag in the holes so that the slag can enter the slag cleaning bucket through the slag inlets, thereby realizing the function of slag cleaning.

[0010] Further, a support column is vertically and fixedly installed in the slag cleaning bucket, an active disc is arranged at the top center of the movable plate, a limiting disc is fixedly installed at the bottom of the support column, and the active disc is arranged at the bottom of the limiting disc and forms a rotating fit. The support column plays a supporting and connecting role, fixing the slag cleaning bucket and the limiting disc together. The rotating fit of the active disc and the limiting disc provides stable support and guidance for the rotation of the movable plate, ensuring that the movable plate can rotate smoothly around the center, thereby accurately controlling the opening and closing of the slag inlets.

[0011] Further, grooves are symmetrically formed at the top of the active disc, springs and limiting balls are arranged in the grooves, limiting ball grooves are formed at the bottom of the limiting disc, and the limiting balls can be embedded in the limiting ball grooves under the action of the springs. When the movable plate rotates to a specific position, the limiting balls are embedded in the limiting ball grooves under the action of the springs, forming a mechanical lock. This structure can prevent the movable plate from rotating accidentally and causing the slag inlets to open during the lifting of the slag cleaning bucket, thereby ensuring that the slag does not fall from the slag inlets and ensuring the reliability and quality of the slag cleaning operation.

[0012] Further, an axle hole is formed at the center of the bottom of the limiting disc, a rotating shaft is fixedly installed at the center of the top of the active disc, and the rotating shaft is movably installed in the axle hole and can rotate around its axis. The cooperation of the rotating shaft and the axle hole provides accurate centering and guiding for the rotation of the active disc and the movable plate. The axle hole limits the radial displacement of the rotating shaft, enabling the movable plate to stably rotate around the fixed axis, avoiding shaking and deviation during rotation, ensuring the accuracy and stability of the rotation of the movable plate, and further ensuring that the opening and closing operation of the slag inlets can be accurately performed.

[0013] Further, the top of the slag removal bucket is fixedly provided with a support, the top end of the support column is welded and fixed with the support, and the top of the support is provided with a drill rod connector.

[0014] Further, the fan-shaped blades of the movable plate are made of high manganese steel, the blade edges are provided with serrated slag removal edges, and an angle-adjustable hinge structure is arranged between the slag removal shovel and the movable plate.

[0015] Further, the inner wall of the slag removal bucket is provided with a wear-resistant lining plate, the wear-resistant lining plate is made of tungsten carbide coated steel plate, and the lining plate and the inner wall of the slag removal bucket are detachably connected through counterbores.

[0016] Further, the drill rod connector comprises an inner thread section matched with the drill rod and an anti-falling flange, the inner thread section is detachably connected with the top of the support through a flange plate, and the anti-falling flange is arranged at the end of the inner thread section.

[0017] The utility model discloses the beneficial effect is:

[0018] The utility model discloses a movable plate can be driven reverse rotation through reverse rotation slag removal hopper, the movable plate can shield the slag inlet at this moment, thereby effectively preventing the slag to drop in the lifting process, secondly, under the movable plate closed state, utilize spring and limit ball and limit ball groove cooperation, can improve the stability under the movable plate closed state, can prevent movable plate and open the slag inlet again and drop slag because of external force rotation, effectively improve the slag removal efficiency, and need not complicated mechanism to complete mechanical self -lock, simple operation. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not constitute a limitation of the present application. In the drawings:

[0020] Figure 1 It is a whole structure schematic diagram of the utility model discloses a kind of pouring column construction slag removal device;

[0021] Figure 2 It is a bottom structure schematic diagram of the utility model discloses a kind of pouring column construction slag removal device;

[0022] Figure 3 It is the split structure schematic diagram of the utility model discloses a kind of pouring column construction slag removal device movable plate and limit disc;

[0023] Figure 4 It is the split bottom structure schematic diagram of the utility model discloses a kind of pouring column construction slag removal device movable plate and limit disc;

[0024] Figure 5 It is the A local enlarged structure schematic diagram of the utility model discloses a kind of pouring column construction slag removal device.

[0025] In the drawing: 1, slag removal hopper;2, drill rod connector;3, support;4, support column;5, bottom plate;6, slag inlet;7, movable plate;8, slag removal shovel;9, movable disc;10, rotating shaft;11, limit disc;12, limit ball groove;13, shaft hole;14, recess;15, spring;16, limit ball. DETAILED DESCRIPTION

[0026] The present application will now be described further to with reference to the accompanying drawings. These drawings show only the essential features of the application and are not limiting of the scope of the application. They show:

[0027] Reference Figures 1-5 A kind of pouring column construction slag removal device, including slag removal hopper 1 and movable plate 7;

[0028] The bottom of the slag removal bucket 1 is fixedly connected with the bottom plate 5 through double-sided full welding, the bottom plate 5 is made of 12mm-thick Q345B steel plate, opposite slag inlets 6 are formed on the two sides of the bottom plate 5, and the bottom of the bottom plate 5 is rotatably provided with the movable plate 7, the movable plate 7 is composed of two groups of fan-shaped blades, and the two sides of the bottom of the movable plate 7 are provided with the slag removal shovels 8.

[0029] The movable plate 7 is composed of two groups of 120° fan-shaped blades, the blade material is ZGMn13 high manganese steel (GB / T5680-2010), and the blade has a hardness of HB220 after water toughening treatment. The edge of the blade is provided with a wavy serrated edge, the tooth height is 6mm, the tooth pitch is 18mm, the movable plate 7 is connected with the slag removal shovels 8 through three groups of hinge structures with adjustable angles, each group of hinge structures comprises a φ16 pin shaft, a bearing with a seat and an M12 adjusting bolt, the slag removal shovels 8 can be steplessly adjusted and locked within a range of 0°-30°;

[0030] Secondly, the inner wall of the slag removal bucket 1 is provided with wear-resistant lining plates, the wear-resistant lining plates are made of tungsten carbide coated steel plates, the lining plates are detachably connected with the inner wall of the slag removal bucket through counter-sunk bolts, the bolts are arranged in a chessboard mode with a spacing of 120mm;

[0031] In addition, the top of the slag removal bucket 1 is fixedly provided with the H200*200*8*12 steel support 3, the top end of the support column 4 is welded and fixed with the support 3, the top of the support 3 is provided with the drill rod connector 2, and the top of the support 3 is connected with the drill rod connector 2 through a flange plate.

[0032] It should be noted that the drill rod connector 2 comprises an internal thread section matched with a drill rod and an anti-falling flange, the internal thread section is detachably connected with the top of the support 3 through a flange plate, and the anti-falling flange is arranged at the end of the internal thread section, the drill rod connector 2 comprises a φ159mm internal thread section and a 200mm-diameter anti-falling flange, the flange has a height of 30mm, and the flange is connected with the flange plate through four groups of M20 bolts.

[0033] In this embodiment, the connection between the slag removal bucket 1 and the drill rod can be realized through the drill rod connector 2, the drill rod drives the slag removal bucket 1 to enter the hole and rotate counterclockwise, at this time, the two groups of slag removal shovels 8 can shovel the hole soil into the slag removal bucket 1, thereby completing the cleaning work of the hole soil, after the cleaning is completed, the drill rod can drive the slag removal bucket 1 to rotate clockwise, at this time, due to the friction between the two groups of slag removal shovels 8 and the ground, the movable plate 7 rotates counterclockwise below the bottom plate 5, thereby closing the slag inlet 6, and then lifting the slag removal bucket 1 for cleaning, and the hole soil in the slag removal bucket 1 cannot fall from the slag inlet 6 during the lifting process.

[0034] Reference Figures 1-5 A support column 4 is vertically and fixedly arranged in the slag removal bucket 1, an active disc 9 is arranged at the top center of the movable plate 7, a limiting disc 11 is fixedly arranged at the bottom of the support column 4, and the active disc 9 is arranged at the bottom of the limiting disc 11 and forms a rotating cooperation.

[0035] Wherein, the top of the movable disc 9 is symmetrically provided with a groove 14, a spring 15 and a limiting ball 16 are arranged in the groove 14, the bottom of the limiting disc 11 is correspondingly provided with a limiting ball groove 12, and the limiting ball 16 can be embedded into the limiting ball groove 12 under the action of the spring 15;

[0036] Secondly, the bottom of the limiting disc 11 is provided with a shaft hole 13 at the center, and the top of the movable disc 9 is fixedly provided with a rotating shaft 10 at the center, the rotating shaft 10 is movably arranged in the shaft hole 13 and can rotate around the axis thereof;

[0037] In this embodiment, the slag inlet 6 can be closed by rotating the movable plate 7, and at this time, the movable disc 9 will also rotate counterclockwise on the bottom of the limiting disc 11, when the limiting ball 16 is aligned with the limiting ball groove 12, the limiting ball 16 can be clamped into the limiting ball groove 12 under the pushing of the spring 15 to complete the limiting, at this time, the movable plate 7 will not be opened due to the rotation of the slag bucket 1, ensuring that the slag inlet 6 can always remain closed, preventing the falling of the slag soil from affecting the quality of slag removal, the spring limiting mechanism cooperates with the limiting ball groove to realize the mechanical self-locking of the movable plate 7, and the falling rate of the slag soil during lifting is ≤0.5%.

[0038] Working principle: first, the drill rod is connected and fixed with the slag bucket 1 through the drill rod connecting head 2, then the drill machine drives the drill rod to rotate counterclockwise, the torque is transmitted to the slag bucket through the internal thread section to drive the slag bucket to rotate, at this time, the slag shovel can cut the slag soil, and at the same time, the helical propelling force guides the slag soil into the bucket through the slag inlet 6, when the slag bucket 1 is filled with slag soil, the drill machine is switched to clockwise rotation, at this time, the movable plate 7 rotates in the opposite direction due to the ground friction force, and the fan-shaped blades gradually cover the slag inlet 6, and the movable disc 9 drives the limiting ball to compress the spring 15, when the closing is in place, the limiting ball 16 is clamped into the limiting ball groove 12 of the limiting disc 11 under the pre-tightening force of the spring 15, forming mechanical self-locking, after the lifting device of the slag bucket 1 reaches the unloading point, the movable plate 7 is manually rotated to unlock the limiting mechanism against the spring force, and the slag soil is discharged through the slag inlet 6.

[0039] The above describes only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A device for removing slurry from a cast-in-place column, characterized in that Including the slag removal hopper (1) and movable board (7); The bottom plate (5) is fixedly welded at the bottom of the slag removal hopper (1), opposite inlet ports (6) are formed in the two sides of the bottom plate (5), and the movable board (7) is rotatably installed at the bottom of the bottom plate (5); the movable board (7) is composed of two groups of fan-shaped blades, and slag removal shovels (8) are arranged at the bottoms of the two sides of the movable board (7).

2. The device according to claim 1, wherein The slag removal hopper (1) is internally and vertically fixedly installed with a support column (4), the movable board (7) is internally and vertically fixedly installed with a support column (4), and an active disc (9) is arranged at the top of the movable board (7); the bottom of the active disc (9) is arranged on the bottom of the limiting disc (11) and forms a rotating cooperation.

3. The device according to claim 2, characterized in that, The top of the active disc (9) is symmetrically provided with a groove (14), the groove (14) is provided with a spring (15) and a limiting ball (16), and the bottom of the limiting disc (11) is provided with a limiting ball groove (12) corresponding to the limiting ball (16); the limiting ball (16) can be embedded into the limiting ball groove (12) under the action of the spring (15).

4. The device according to claim 3, wherein The bottom of the limiting disc (11) is provided with an axle hole (13) at the center, the top of the active disc (9) is fixedly installed with a rotating shaft (10) at the center, and the rotating shaft (10) is movably installed in the axle hole (13) and can rotate around the axis.

5. The device according to claim 2, wherein The top of the support column (4) is fixedly connected with the bracket (3), and the top of the bracket (3) is provided with a drill rod connector (2).

6. The device according to claim 1, wherein The fan-shaped blades of the movable board (7) are made of high manganese steel, and the edges of the blades are provided with serrated slag removal edges; the movable board (7) and the slag removal shovels (8) are provided with a hinge structure with adjustable angle.

7. The device according to claim 1, wherein The inner wall of the slag removal hopper (1) is provided with a wear-resistant lining plate, the wear-resistant lining plate is made of tungsten carbide coated steel plate, and the lining plate and the inner wall of the slag removal hopper are detachably connected through a countersunk bolt.

8. The device according to claim 5, wherein The drill rod connector (2) comprises an inner thread section matched with a drill rod and an anti-falling flange, the inner thread section is detachably connected with the top of the bracket (3) through a flange plate, and the anti-falling flange is arranged at the end of the inner thread section.

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