A diaphragm wall overpoured concrete loosener and method of use thereof

Abstract

The application is a kind of diaphragm wall super concrete loosener and its using method, the loosener includes fixed top plate and limiting plate, the fixed top plate bottom middle position is fixed with loosener main body, the loosener main body is arranged in the limiting plate, the limiting plate upper surface is provided with connecting plate on both sides of the loosener main body, the connecting hole is penetrated in the connecting plate, the upper part of the loosener main body is uniformly distributed with several butt joints from top to bottom, the connecting hole of two connecting plates and one butt joint of the loosener main body are penetrated with connecting pin, the limiting plate bottom four corners are provided with adjusting limiting device. When using, the loosener is installed on the excavator equipment bucket; according to the diaphragm wall pile top elevation and guide wall elevation, the adjusting limiting device is adjusted, after the diaphragm wall concrete pouring is completed, the loosener main body is inserted into the diaphragm wall slot section, reciprocating motion 3-5 times along the slot section direction. The application effectively reduces the concrete density, so as to reduce the difficulty of pile head breaking, and improves the construction efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of diaphragm wall construction, and particularly relates to a diaphragm wall over-poured concrete loosening device and a use method thereof. BACKGROUND

[0002] During the pouring process of the underground continuous wall, due to the existence of bubbles in the concrete during the vibrating process, the bubbles will rise to the top of the pile, and the top of the pile within a certain range is a floating slurry, or a mixture of slurry and mortar during underwater concrete pouring, in order to ensure the strength of the pile body, the upper part of the virtual pile needs to be chiseled off.

[0003] The current construction sequence of the diaphragm wall over-poured concrete is: after excavation, the handheld pneumatic pick is used to chisel from the inside of the foundation pit, due to the high strength of the concrete, the chiseling operation efficiency is low, and the operation space is small due to the dense steel bars, which is not conducive to construction. SUMMARY

[0004] The present application aims to solve the problems of the prior art, and provides a diaphragm wall over-poured concrete loosening device and a use method thereof.

[0005] In order to achieve the above-mentioned purpose, the following technical solutions are adopted:

[0006] A diaphragm wall over-poured concrete loosening device, comprising a fixed top plate and a limiting plate, a loosening device main body is fixed at the middle position of the bottom of the fixed top plate, the loosening device main body is arranged on the limiting plate, connecting plates are arranged on the upper surface of the limiting plate at both sides of the loosening device main body, connecting holes are arranged on the connecting plates, a plurality of butt joints are uniformly arranged on the upper part of the loosening device main body from top to bottom, a connecting pin is arranged in the connecting hole of the two connecting plates and one butt joint of the loosening device main body, and adjusting limiting devices are arranged at the four corners of the bottom of the limiting plate.

[0007] The four corners of the fixed top plate are provided with mounting holes.

[0008] The loosening device main body is a I-shaped structure composed of flange plates on both sides and a web plate in the middle, the butt joint is arranged on the web plate, and the bottom of the loosening device main body is provided with a sharp structure.

[0009] The adjusting limiting device comprises a threaded cylinder welded on the bottom of the limiting plate, a limiting screw is screwed in the limiting cylinder, the bottom of the limiting screw penetrates out of the threaded cylinder and is connected with a foot.

[0010] A I-shaped through hole is arranged in the middle of the limiting plate and corresponds to the loosening device main body, and the loosening device main body is arranged in the I-shaped through hole.

[0011] The web plate of the loosening device main body is provided with a reinforcing plate between the bottom of the fixed top plate.

[0012] The top of the fixed top plate is provided with a vertical connecting plate, and a plurality of bucket tooth seat insertion holes are arranged on the vertical connecting plate.

[0013] The method for using the diaphragm wall over-poured concrete loosener comprises the following specific steps:

[0014] S1, installing the diaphragm wall over-poured concrete loosener on a bucket of an excavator device;

[0015] S2, adjusting the adjusting limiting device according to the diaphragm wall pile top elevation and the guide wall elevation;

[0016] S3, after 4 hours when the diaphragm wall concrete pouring is completed, inserting the loosener main body into the diaphragm wall groove section, and reciprocating 3-5 times along the groove section direction.

[0017] In step S1, when the diaphragm wall over-poured concrete loosener is installed, the bucket tooth seat insertion hole on the vertical connecting plate at the top of the fixed top plate is connected with the tooth seat on the bucket of the excavator device.

[0018] The diaphragm wall over-poured concrete loosener has the advantages that the diaphragm wall over-poured concrete is disturbed after the concrete is poured, the compactness and strength of the concrete are effectively reduced, the difficulty of breaking the pile head is reduced, and the construction efficiency is improved. The limiting plate can effectively control the disturbance range of the concrete, ensure that the structure concrete is not disturbed, and ensure the construction quality of the structure; the diaphragm wall over-poured concrete loosener can be used in linkage with the excavator, is convenient to disassemble and operate, has low use cost, and has high economic benefits. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a front view of the diaphragm wall over-poured concrete loosener;

[0020] Fig. 2 It is a left view of the diaphragm wall over-poured concrete loosener;

[0021] Fig. 3 It is a structure schematic view of the fixed top plate of the diaphragm wall over-poured concrete loosener;

[0022] Fig. 4 It is a structure schematic view of the limiting plate of the diaphragm wall over-poured concrete loosener;

[0023] In the figure, 1 is the fixed top plate, 2 is the limiting plate, 3 is the loosener main body, 4 is the connecting plate, 5 is the connecting hole, 6 is the butt joint hole, 7 is the connecting pin, 8 is the adjusting limiting device, 9 is the mounting hole, 10 is the I-shaped through hole, and 11 is the reinforcing plate;

[0024] 31 is the flange plate, 32 is the web plate, and 33 is the sharp head structure;

[0025] 81 is the threaded cylinder, 82 is the limiting screw rod, and 83 is the anchor;

[0026] The diaphragm wall over-poured concrete loosener will be described in detail below by combining the embodiments of the diaphragm wall over-poured concrete loosener with the accompanying drawings. DETAILED DESCRIPTION

[0027] The principles and features of this application can be better understood when considered in connection with the accompanying drawings, in which:

[0028] It should be noted that when a member is referred to as being "on" another member, it can be directly on the other member or intervening members can also be present. When a member is referred to as being "connected" to another member, it can be directly connected to the other member or intervening members can also be present. When a member is referred to as being "disposed" on another member, it can be directly disposed on the other member or intervening members can also be present. The terms "vertical", "horizontal", "left", "right", and similar terms as used herein are for descriptive purposes only.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0030] The application will be further described with reference to the drawings and examples:

[0031] As Figs. 1 to 4 shown in the drawings, a diaphragm wall super-poured concrete loosener comprises a fixed top plate 1 and a limiting plate 2, a loosener body 3 is fixed at the middle position of the bottom of the fixed top plate 1, the loosener body 3 is arranged through the limiting plate 2, connecting plates 4 are arranged on the upper surface of the limiting plate 2 at both sides of the loosener body 3, connecting holes 5 are arranged through the connecting plates 4, a plurality of butt joints 6 are arranged on the upper part of the loosener body 3 in a uniform manner from top to bottom, a connecting pin 7 is arranged through the connecting hole 5 of the two connecting plates 4 and one of the butt joints 6 of the loosener body 3, and adjusting limiting devices 8 are arranged at the four corners of the bottom of the limiting plate 2.

[0032] The fixed top plate 1 is provided with mounting holes 9 at the four corners.

[0033] The loosener body 3 is a I-shaped structure composed of flange plates 31 at both sides and a web plate 32 in the middle, the butt joints 6 are arranged on the web plate 32, and the loosener body 3 is provided with a sharp structure 33 at the bottom.

[0034] The butt joints 6 are arranged at intervals of 5 cm.

[0035] The loosener body 3 is made of 28B I-shaped steel, and the lower part is cut into a sharp structure 33 to facilitate insertion into the concrete.

[0036] The adjusting and limiting device 8 comprises a threaded cylinder 81 welded at the bottom of the limiting plate 2, a limiting screw 82 threadedly installed in the limiting cylinder 81, and a foot 83 connected to the bottom of the limiting screw 82 and extending out of the limiting cylinder 81.

[0037] The limiting plate 2 is made of a steel plate, and a I-shaped through hole 10 is arranged in the middle of the limiting plate 2 and corresponds to the loosener body 3, the loosener body 3 is arranged in the I-shaped through hole 10 and used for controlling the loosener body 3 to be located at the middle part of the diaphragm wall groove.

[0038] The adjusting and limiting device 8 is used for controlling the insertion depth of the loosener body 3.

[0039] The two sides of the web plate 32 of the loosener body 3 and the bottom of the fixed top plate 1 are provided with reinforcing plates 11.

[0040] The top of the fixed top plate 1 is provided with a vertical connecting plate, and a plurality of bucket tooth seat insertion holes are arranged in the vertical connecting plate.

[0041] The use method of the diaphragm wall over-poured concrete loosener comprises the following steps:

[0042] S1, installing the diaphragm wall over-poured concrete loosener on the bucket of the excavator equipment;

[0043] S2, adjusting the adjusting and limiting device 8 according to the top elevation of the diaphragm wall pile and the elevation of the guide wall;

[0044] S3, after 4 hours when the diaphragm wall concrete pouring is completed, inserting the loosener body 3 into the diaphragm wall groove segment and reciprocating 3-5 times along the groove segment direction.

[0045] In the step S1, when the diaphragm wall over-poured concrete loosener is installed, the bucket tooth seat insertion holes in the vertical connecting plate on the top of the fixed top plate 1 are connected with the tooth seats on the bucket of the excavator equipment.

[0046] The diaphragm wall over-poured concrete loosener is used for disturbing the concrete of the over-poured part after pouring the concrete, effectively reduces the compactness and strength of the concrete, reduces the difficulty of breaking the pile head, and improves the construction efficiency. The limiting plate 2 can effectively control the disturbance range of the concrete, ensure that the structure concrete is not disturbed, and ensure the construction quality of the structure. The diaphragm wall over-poured concrete loosener can be used in linkage with the excavator, is convenient to disassemble and operate, has low use cost and high economic benefit.

[0047] The application is described above in conjunction with the drawings, and it is obvious that the specific implementation of the application is not limited by the above manner, as long as various improvements are made by using the method concept and technical scheme of the application, or are directly applied to other occasions without improvement, which are within the protection scope of the application.

Claims

1. A diaphragm wall overpoured concrete loosener characterised in that, It includes fixed roof (1) and limiting plate (2), the middle position of fixed roof (1) bottom is fixed with loosener body (3), loosener body (3) is arranged on limiting plate (2), the upper surface of limiting plate (2) is provided with connecting plate (4) on both sides of loosener body (3), connecting hole (5) is arranged on connecting plate (4), a plurality of butt joint holes (6) are uniformly distributed on the upper part of loosener body (3) from top to bottom, connecting pin (7) is arranged in the connecting hole (5) of two connecting plates (4) and one butt joint hole (6) of loosener body (3), adjusting limiting device (8) is arranged on the bottom of limiting plate (2) four corners; The four corners of fixed roof (1) are provided with mounting holes (9); the loosener body (3) is a I-shaped structure composed of flange plates (31) on both sides and web plates (32) in the middle, the butt joint holes (6) are arranged on the web plates (32), the bottom of the loosener body (3) is provided with a sharp structure (33); the adjusting limiting device (8) includes a threaded cylinder (81) welded on the bottom of the limiting plate (2), a limiting screw (82) is screwed in the threaded cylinder (81), the bottom of the limiting screw (82) penetrates out of the threaded cylinder (81) and is connected with a foot (83); the middle part of the limiting plate (2) is provided with a I-shaped through hole (10) corresponding to the loosener body (3), the loosener body (3) is arranged in the I-shaped through hole (10); the web plates (32) on both sides of the loosener body (3) and the bottom of the fixed roof (1) are provided with reinforcing plates (11); the top of the fixed roof (1) is provided with a vertical connecting plate, a plurality of bucket tooth seat insertion holes are arranged on the vertical connecting plate.

2. The method of using a diaphragm wall overpacked concrete loosener according to claim 1, wherein, The specific steps are: S1, install the diaphragm wall overpoured concrete loosener on the bucket of the excavator equipment; S2, adjust the adjusting limiting device (8) according to the diaphragm wall pile top elevation and guide wall elevation; S3, after 4h after the diaphragm wall concrete pouring is completed, the loosener body (3) is inserted into the diaphragm wall slot section, and reciprocating motion is carried out 3-5 times along the slot section direction.

3. A method of using a diaphragm wall overpoured concrete loosener according to claim 2, wherein, In step S1, when the diaphragm wall overpoured concrete loosener is installed, the bucket tooth seat insertion hole on the vertical connecting plate on the top of the fixed roof (1) is connected with the tooth seat on the bucket of the excavator equipment.

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