Rotary drilling dry operation hole cleaning tool

Abstract

The utility model discloses a rotary drilling dry operation hole cleaning tool which comprises a cylinder, the upper end of the cylinder is of an open structure, a connecting assembly is arranged in the open structure, a large fan-shaped opening and a small fan-shaped opening are formed in the bottom of the cylinder, a spiral cutter is arranged on the inner wall of the small fan-shaped opening, a fan-shaped plate is arranged in the large fan-shaped opening, and a rotary shaft is arranged in the fan-shaped plate. And one side of the fan-shaped plate is connected with the cylinder through a hinge. The cylinder is connected with the drilling machine through the pin hole in the connecting plate, the drilling machine drives the cylinder to rotate, the hydraulic rod is controlled by a hydraulic system of the drilling machine, the drilling machine inserts the cylinder into the bottom of a hole and drives the cylinder to rotate, residue soil at the bottom of the hole is screwed into the cylinder through the spiral cutter, then the cylinder is lifted out, and the hydraulic rod drives the sector plate to open. Soil is poured out of the cylinder, hole cleaning work is completed, the partition plate is arranged, the soil is prevented from being discharged out of the small fan-shaped opening in the soil spinning process, and the blocking effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pile foundation construction technical field especially relates to a rotary drilling dry operation hole cleaning tool. BACKGROUND

[0002] The construction of cast-in-place pile is divided into two parts of hole forming and pile forming, so the detection of pile foundation can be divided into two parts of hole forming quality detection and pile forming quality detection. The hole forming is the first link in the construction of cast-in-place pile. The hole forming operation is completed underground and underwater, so the quality control is difficult, and complex geological conditions or mistakes in construction can cause problems such as hole collapse, diameter reduction, hole deviation and excessive sediment thickness. After the hole forming of pile foundation, the sediment at the bottom of the hole needs to be cleaned. The existing hole cleaner is not easy to discharge after cleaning the sediment, which affects the construction efficiency. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a rotary drilling dry operation hole cleaning tool to solve the defects in the prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A rotary drilling dry operation hole cleaning tool, comprising a cylinder, the upper end of the cylinder is an open structure, and a connecting assembly is arranged in the open structure, the bottom of the cylinder is respectively provided with a large fan-shaped opening and a small fan-shaped opening, the inner wall of the small fan-shaped opening is provided with a spiral cutter, the inside of the large fan-shaped opening is provided with a fan-shaped plate, one side of the fan-shaped plate is connected with the cylinder through a hinge, and the other end is connected with the cylinder through a linear extension drive assembly and controls the opening and closing of the fan-shaped plate.

[0006] Preferably, the linear extension drive assembly comprises a hydraulic rod, and both ends of the hydraulic rod are hinged with fixed seats, and the fixed seats are connected with the cylinder and the fan-shaped plate respectively.

[0007] Preferably, a partition plate is arranged in the cylinder, and the partition plate is located between the large fan-shaped opening and the small fan-shaped opening.

[0008] Preferably, the connecting assembly comprises a plurality of annularly distributed connecting plates, the connecting plates are welded with the cylinder, a square opening is surrounded in the middle of the connecting plates, and pin holes are arranged on the side wall of the square opening.

[0009] Preferably, a reinforcing plate is welded at the connecting position of the connecting plate.

[0010] Compared with the prior art, the utility model discloses the beneficial effect is: the utility model discloses the cylinder is connected with the drilling machine through the pin hole on the connecting plate, and the drilling machine drives the cylinder to rotate, and the hydraulic rod is controlled by the hydraulic system of the drilling machine, and the drilling machine inserts the cylinder into the hole bottom and drives it to rotate, and the hole bottom's slag is rotated into the cylinder by the spiral cutting knife, then the cylinder is taken out, and the hydraulic rod is used to drive the sector plate to open, and the soil is poured from the cylinder, and the hole cleaning work is completed, and the setting of the baffle prevents the soil from discharging from the small sector port in the soil rotating process, and plays the role of blocking. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more specifically and intuitively illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description.

[0012] Figure 1 Structure diagram of the utility model Figure One ;

[0013] Figure 2 Structure diagram of the utility model Figure Two ;

[0014] Figure 3 Structure diagram of the utility model Figure Three ;

[0015] Figure 4 Structure diagram of the utility model Figure Four .

[0016] In the drawing: cylinder 1, connecting plate 2, reinforcing plate 3, sector plate 4, spiral cutting knife 5, small sector port 6, hydraulic rod 7, fixed seat 8, hinge 9, baffle 10. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment.

[0018] Referring to Figures 1-4 , a rotary drilling dry work hole cleaning tool, including the cylinder 1, the upper end of cylinder 1 is open structure, and the open structure is provided with connecting assembly, the bottom of cylinder 1 is provided with big sector port and small sector port 6 respectively, the inner wall of small sector port 6 is provided with spiral cutting knife 5, the inside of big sector port is provided with sector plate 4, one side of sector plate 4 is connected with cylinder 1 through hinge 9, and the other end is connected with cylinder 1 through linear telescopic drive assembly and controls sector plate 4 to open and close.

[0019] The cylinder 1 is connected with the drilling machine through the pin hole on the connecting plate 2, the drilling machine drives the cylinder 1 to rotate, the hydraulic rod 7 is controlled by the hydraulic system of the drilling machine, the drilling machine inserts the cylinder 1 into the hole bottom and drives it to rotate, the slag soil at the hole bottom is rotated into the cylinder 1 by the spiral cutter 5, then the cylinder 1 is taken out, the fan-shaped plate 4 is driven to open by the hydraulic rod 7, the soil is poured out from the cylinder 1, the hole cleaning work is completed, the setting of the partition plate 10 prevents the soil from being discharged from the small fan-shaped port 6 in the soil rotating process, and the blocking effect is achieved.

[0020] In the embodiment, the linear telescopic driving assembly comprises the hydraulic rod 7, the two ends of the hydraulic rod 7 are hinged with the fixing seat 8, and the fixing seat 8 is connected with the cylinder 1 and the fan-shaped plate 4 respectively.

[0021] In the embodiment, the cylinder 1 is internally provided with the partition plate 10, the partition plate 10 is located between the large fan-shaped port and the small fan-shaped port 6, the soil is prevented from being discharged from the small fan-shaped port 6 in the soil rotating process, and the blocking effect is achieved.

[0022] In the embodiment, the connecting assembly comprises a plurality of annular connecting plates 2, the connecting plates 2 are welded with the cylinder 1, and the middle of the connecting plates 2 surrounds a square port, and the side wall of the square port is provided with a pin hole.

[0023] In the embodiment, the connecting part of the connecting plate 2 is welded with the reinforcing plate 3, so that the connecting strength is improved.

[0024] The above only describes the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model makes equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A rotary drilling dry hole cleaning tool comprising a cylinder (1), characterized in that, The upper end of the cylinder (1) is an open structure, and a connecting assembly is arranged in the open structure, the bottom of the cylinder (1) is respectively provided with a large sector-shaped opening and a small sector-shaped opening (6), the inner wall of the small sector-shaped opening (6) is provided with a spiral cutter (5), the inside of the large sector-shaped opening is provided with a sector-shaped plate (4), one side of the sector-shaped plate (4) is connected with the cylinder (1) through a hinge (9), and the other end is connected with the cylinder (1) through a linear telescopic driving assembly and controls the opening and closing of the sector-shaped plate (4).

2. A dry coring tool for a rotary digger according to claim 1, characterized in that, The linear telescopic driving assembly comprises a hydraulic rod (7), both ends of the hydraulic rod (7) are hinged with fixing seats (8), and the fixing seats (8) are connected with the cylinder (1) and the sector-shaped plate (4) respectively.

3. A dry coring tool for a rotary digger according to claim 2, wherein, The inside of the cylinder (1) is provided with a partition plate (10), and the partition plate (10) is located between the large sector-shaped opening and the small sector-shaped opening (6).

4. The dry coring tool for a rotary digger according to claim 3, wherein The connecting assembly comprises a plurality of annularly distributed connecting plates (2), the connecting plates (2) are welded with the cylinder (1), and a square opening is surrounded in the middle of the connecting plates (2), and the side wall of the square opening is provided with a pin hole.

5. A dry coring tool for a rotary digger according to claim 4, wherein, The connecting part of the connecting plate (2) is welded with a reinforcing plate (3).

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