Convenient clearing device for sediment at bottom of pile foundation hole

Abstract

The utility model discloses a convenient cleaning device for pile foundation hole bottom sediment, which comprises a slag barrel body, a supporting steel bar is fixed on the inner wall of the bottom of the slag barrel body, a fixed steel plate and a movable steel plate are supported on the supporting steel bar, the fixed steel plate is fixedly connected with the supporting steel bar, and the fixed steel plate is rotatably connected with the movable steel plate through a flat hinge. A drainage hole is formed in the slag bucket body above the steel plate, and a hanging ring is further arranged on the slag bucket body. According to the utility model, the slag barrel is put down in slurry by utilizing the gravity of the slag barrel, the movable steel plate is automatically opened under the buoyancy action of the slurry, sediments enter the slag barrel, after the slag barrel reaches the bottom, the movable steel plate is automatically closed under the gravity action of the sediments, the slag barrel is lifted, water and slurry in the barrel are discharged through drainage holes in the wall of the barrel, and the sediments are left in the slag barrel and are smoothly cleared out. The device disclosed by the utility model is simple in structure, convenient to operate and not easy to damage, can meet the slag removal requirement, and basically does not need to be equipped with other auxiliary devices.

Description

Technical Field

[0001] The utility model relates to a convenient device for cleaning sediment at the bottom of a pile foundation hole, belonging to the technical field of bridge pile foundation construction equipment. Background Art

[0002] During pile foundation construction, the use of impact drilling is common and is suitable for most geological conditions. Impact drilling requires mud. While using the mud to protect the wall, the slag crushed by the impact drill also uses the buoyancy of the mud to remove small particles of slag with the mud circulation. However, this work efficiency is low, and large particles of slag cannot be discharged with the mud due to their large gravity and sink to the bottom of the hole. Most of the slag removal devices currently used use auxiliary counterweights to ensure the sinking of the slag bucket, or use auxiliary guide rods in the bucket to connect the bottom switch of the bucket to remove the slag. There are many auxiliary measures, which makes the slag removal process inconvenient to operate and the device is easy to damage. Summary of the invention

[0003] The purpose of the utility model is to provide a convenient device for cleaning the sediment at the bottom of a pile foundation hole. The device has a simple structure and can meet the requirements of removing sediment by itself, and basically does not need to be equipped with other auxiliary devices.

[0004] The technical solution of the utility model is as follows: a convenient device for cleaning sediment at the bottom of a pile foundation hole, comprising a slag bucket body with openings at both ends of the top and bottom, a supporting steel bar fixed to the bottom inner wall of the slag bucket body, two steel plates supported on the supporting steel bar, one of which is a fixed steel plate and the other is a movable steel plate, the fixed steel plate and the supporting steel bar are fixedly connected together, the fixed steel plate and the movable steel plate are rotatably connected together via a flat hinge, a drainage hole is arranged on the slag bucket body above the steel plate, and a lifting ring is also arranged on the slag bucket body.

[0005] In the aforementioned device for conveniently cleaning sediment at the bottom of a pile foundation hole, triangular notches are provided on both sides of the barrel opening of the slag barrel body, and lifting rings are fixed on both sides of the triangular notches.

[0006] In the aforementioned device for conveniently cleaning sediment at the bottom of a pile foundation hole, a lifting lug is provided on the outer wall at the bottom of the slag bucket body.

[0007] In the aforementioned device for conveniently clearing sediment from the bottom of a pile foundation hole, the slag bucket body is a steel pipe column made of thickened steel plates.

[0008] In the aforementioned convenient sediment cleaning device for pile foundation holes, a baffle is vertically arranged on the edge of the fixed steel plate close to the movable steel plate, a baffle is fixed on the top of the baffle toward the side wall of the movable steel plate, and the height of the baffle is less than the width of the movable steel plate.

[0009] Beneficial effects of the utility model: Compared with the prior art, the utility model utilizes the mobility of the flat hinge at the bottom of the slag bucket to connect a fixed steel plate on one side and a movable steel plate on the other side, and utilizes the gravity of the slag bucket itself to lower it in the mud. The movable steel plate automatically opens under the buoyancy of the mud, and the sediment enters the slag bucket. After the slag bucket reaches the bottom, the movable steel plate automatically closes under the gravity of the sediment and itself, and the slag bucket is lifted. The water and mud in the bucket are discharged through the drainage holes on the bucket wall, and the sediment remains in the slag bucket and is successfully cleared out. The device of the utility model has a simple structure, is easy to operate, is not easy to be damaged, and is made of materials commonly used on the construction site. The device itself can meet the requirements of slag removal, and basically does not need to be equipped with other auxiliary devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the utility model;

[0011] Figure 2 for Figure 1 Schematic diagram of the top view structure (when no lifting ring is installed).

[0012] Figure numerals: 1-slag barrel body, 2-support steel bars, 3-fixed steel plate, 4-movable steel plate, 5-flat hinge, 6-drainage hole, 7-lifting ring, 8-triangular notch, 9-lifting ear, 10-stop rod, 11-stop block. DETAILED DESCRIPTION

[0013] The present invention is further described below in conjunction with the accompanying drawings and embodiments, but they are not intended to limit the present invention.

[0014] Embodiment of the utility model: a convenient device for cleaning sediment at the bottom of a pile foundation hole, such as Figure 1-2 As shown, it includes a slag bucket body 1 with openings at both ends of the top and bottom, a supporting steel bar 2 is fixed to the bottom inner wall of the slag bucket body 1, two steel plates are supported on the supporting steel bar 2, one of which is a fixed steel plate 3, and the other is a movable steel plate 4, the fixed steel plate 3 is fixedly connected to the supporting steel bar 2, and the fixed steel plate 3 and the movable steel plate 4 are rotatably connected together via a flat hinge 5, a drainage hole 6 is provided on the slag bucket body 1 above the steel plate, and a lifting ring 7 is also provided on the slag bucket body 1.

[0015] Slag cleaning process: When cleaning the slag, the air compressor ventilates the bottom of the hole through the air duct to stir the bottom sediment. The sediment is suspended in the bottom mud. The bracket and winch of the impact drill are used as a lifting device. The device of the utility model sinks under the action of its own gravity, and the movable steel plate 4 at the bottom of the slag bucket rotates around the hinge 5 under the buoyancy of the mud to automatically open, and the sediment enters the slag bucket. After the device reaches the bottom, the movable steel plate 4 rotates downward around the hinge 5 under the action of the sediment and its own gravity and automatically closes. It is supported on the supporting steel bars 2 and the device is lifted by the winch. The water and mud in the bucket are discharged through the drainage holes 6 in the bucket wall, and the sediment remains in the slag bucket. After the slag bucket is lifted to the hole mouth, the device is tilted to allow the sediment to be dumped out.

[0016] The slag bucket body 1 is provided with triangular notches 8 on both sides of the bucket mouth, and the lifting rings 7 are fixed on both sides of the triangular notches 8. The triangular notches 8 are provided to facilitate welding of the lifting rings 7 and to facilitate the sediment to enter the slag bucket through the triangular notches 8.

[0017] A lifting lug 9 is provided on the outer wall of the bottom of the slag bucket body 1, and the lifting lug 9 is used to connect the auxiliary lifting hook. After the slag bucket is lifted to the hole, another auxiliary lifting hook is used to hang the lifting lug 9, and the auxiliary lifting hook is pulled upward to tilt the slag bucket body 1, thereby facilitating the dumping of the sediment inside the slag bucket.

[0018] A steel pipe column made of thickened steel plate is selected as the slag bucket body 1. On the one hand, it is made of materials commonly used on construction sites, which is convenient for material selection. On the other hand, it can ensure that the slag bucket body 1 has a certain weight and can sink to the bottom of the hole under its own gravity.

[0019] A baffle 10 is vertically arranged on the edge of the fixed steel plate 3 adjacent to the movable steel plate 4, and a baffle 11 is fixed on the side wall of the movable steel plate 4 with the top of the baffle 10 facing the movable steel plate 4. The height of the baffle 10 is less than the width of the movable steel plate 4. When the movable steel plate 4 rotates around the flat hinge 5 to open to the maximum angle under the buoyancy of the mud, its surface will contact with the baffle 11 and be blocked by the baffle 11, so that the maximum opening angle of the movable steel plate 4 cannot reach 90°, ensuring that after the device sinks to the bottom of the hole, the movable steel plate 4 can automatically close under the action of sediment and its own gravity.

Claims

1. A convenient device for cleaning sediment at the bottom of a pile foundation hole, characterized in that: The invention comprises a slag bucket body (1) with openings at both ends of the top and bottom, a supporting steel bar (2) being fixed to the inner wall of the bottom of the slag bucket body (1), two steel plates being supported on the supporting steel bar (2), one of which is a fixed steel plate (3) and the other is a movable steel plate (4), the fixed steel plate (3) and the supporting steel bar (2) being fixedly connected together, the fixed steel plate (3) and the movable steel plate (4) being rotatably connected together via a flat hinge (5), a drainage hole (6) being provided on the slag bucket body (1) above the steel plate, and a lifting ring (7) being further provided on the slag bucket body (1).

2. A convenient device for clearing sediment from the bottom of a pile foundation hole according to claim 1, characterized in that: Triangular notches (8) are provided on both sides of the barrel opening of the slag barrel body (1), and the hanging rings (7) are fixed on both sides of the triangular notches (8).

3. A convenient device for clearing sediment from the bottom of a pile foundation hole according to claim 1, characterized in that: A lifting lug (9) is provided on the outer wall of the bottom of the slag bucket body (1).

4. A convenient device for clearing sediment from the bottom of a pile foundation hole according to claim 1, characterized in that: The slag barrel body (1) is a steel pipe column made of thickened steel plate.

5. The device for conveniently cleaning sediment at the bottom of a pile foundation hole according to claim 1 is characterized in that: A blocking rod (10) is vertically arranged on the edge of the fixed steel plate (3) adjacent to the movable steel plate (4), a blocking block (11) is fixed on the top end of the blocking rod (10) facing the side wall of the movable steel plate (4), and the height of the blocking rod (10) is less than the width of the movable steel plate (4).

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