CN210421371U - Graded filtering protection device for mud pool of underwater cast-in-situ bored pile - Google Patents

Abstract

The utility model relates to an underwater drilling bored concrete pile mud pit classified filtration protector, protect a mud pit, subordinate's steel including higher level steel and protect a mud pit, protection net apron, mud guiding gutter and collapsible screen cloth, the protection net apron that can open and shut is arranged to the mud pool mouth, protects a mud pit one side at adjacent steel and has seted up an opening, and subordinate's steel protects a mud pit opening and protects a mud pit than higher level steel and hang down, and superior and inferior steel protects a mud pit opening and passes through the mud guiding gutter and connect, and subordinate's steel protects a mud pit and arranges collapsible screen cloth. The utility model has the advantages that: the mud pit protection device designed by the utility model not only can effectively prevent sundries and personnel from falling into the mud pit to cause safety accidents, but also can freely open and close the protection grid cover plate to facilitate construction operation and mud liquid level observation; the utility model discloses a mud pit scarfing cinder device utilizes adjacent protecting a liquid level difference to carry out the mud water conservancy diversion, carries out effective filtration through the screen cloth and recycles, and is energy-concerving and environment-protective, and construction convenience is swift.

Description

Graded filtering protection device for mud pool of underwater cast-in-situ bored pile

Technical Field

The utility model relates to a bored concrete pile especially relates to an aquatic bored concrete pile mud pit stage filtration protector.

Background

At present, the cast-in-situ bored pile construction technology is widely applied to the field of construction of building engineering. The method is characterized in that a pile hole is drilled by a drilling machine, and concrete is poured in the hole (or a steel reinforcement cage is hung in the hole in advance) to form the pile. The drilling machine usually adopts a mud retaining wall construction method when drilling, a mud pool adopts adjacent steel retaining cylinders of a construction pile foundation as a circulating pool and a sedimentation pool, drilling slag is discharged into the mud circulating pool through mud circulation, and the circulation is repeated in this way, and soil is continuously taken out and unloaded until the drilling reaches the designed depth. However, in the traditional construction, the slurry can not be effectively cleaned, can not be effectively recycled, and even pollutes the river channel and the environment. Even if the traditional mud pit protection can play safety protection and prevent sundries and constructors from falling into, the normal construction and the observation of the mud pit can be influenced.

In summary, it is very important to find a mud pit graded filtering protection device with the function of slag removal protection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough among the prior art, provide an aquatic drilling bored concrete pile mud pit stage filtration protector.

This kind of underwater drilling bored concrete pile mud pit classified filtration protector, including higher level steel protects a mud pit, subordinate steel protects a mud pit, protection net apron, mud guiding gutter and collapsible screen cloth, the protection net apron that can open and shut is arranged to the mud pool mouth, an opening has been seted up in adjacent steel protects a mud pit one side, subordinate steel protects a mud pit opening than higher level steel and protects a mud pit low, superior and inferior steel protects a mud pit opening and passes through the mud guiding gutter and connect, subordinate steel protects a mud pit and arranges collapsible screen cloth.

Preferably, the method comprises the following steps: the protection grid cover plate adopts a hot galvanizing grid plate, the cover plate rotating shaft device is welded on the side walls of the protection grid cover plate and the upper-level steel protection cylinder mud tank, a cover plate movable shaft is arranged in the cover plate rotating shaft device, a lock catch is welded at the opening and closing end of the protection grid cover plate, and a lock hole in the lock catch is connected through an iron wire or a lock chain.

Preferably, the method comprises the following steps: the retractable screen is supported by a screen framework and a screen hoop, a framework central shaft is arranged at the center of the screen framework, and one end of the screen framework is connected with a hanging hook by a chain buckle and is fixed on the wall of the steel protection cylinder.

The utility model has the advantages that:

(1) the utility model discloses a mud pit protector not only can prevent effectively that debris and personnel from falling into the mud pit and causing the incident, and the protection net apron that can freely open and shut moreover is convenient for construction operation and mud liquid level observation.

(2) The utility model discloses a mud pit scarfing cinder device utilizes adjacent protecting a liquid level difference to carry out the mud water conservancy diversion, carries out effective filtration through the screen cloth and recycles, and is energy-concerving and environment-protective, and construction convenience is swift.

Drawings

FIG. 1 is a schematic view of a graded filtering and protecting device for a mud pit of a cast-in-situ bored pile in water;

FIG. 2 is a schematic view of a mud pit guard;

fig. 3 is a schematic view of a mud pit slag removal device.

Description of reference numerals: 43-upper level steel casing mud pit; 44-protective grid cover plate; 45-cover plate active shaft; 46-locking buckle; 47-slurry guide groove; 48-central axis of the skeleton; 49-collapsible screen; 50-screen skeleton; 51-hanging wall hook; 52-screen hoop; 53-cover plate rotating shaft device; 54-keyhole; 55-lock chain buckle; 62-lower steel casing mud pit.

Detailed Description

The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to aid in understanding the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

The underwater cast-in-situ pile mud pit classified filtering and protecting device comprises a superior steel casing mud pit 43, a subordinate steel casing mud pit 62, a protecting grid cover plate 44, a mud diversion trench 47 and a retractable screen 49, wherein the mud pit adopts an adjacent steel casing of a construction pile foundation as a circulating sedimentation tank, the opening of the mud pit is provided with the openable protecting grid cover plate 44 for safety protection, one side of the adjacent steel casing mud pit is provided with an opening, the opening of the subordinate steel casing mud pit 62 is slightly lower than that of the superior steel casing mud pit 43, the openings of the superior and subordinate steel casing mud pits are connected through the mud diversion trench 47, mud is discharged to the mud diversion trench 47 from the opening of the superior steel casing mud pit 43 and finally flows into the subordinate steel casing mud pit 62, and the retractable screen 49 is arranged on the subordinate steel casing mud pit 62 for mud filtering and slag removal.

The protection grid cover plate 44 is made of hot galvanizing grid plates, the cover plate rotating shaft device 53 is welded on the side walls of the protection grid cover plate 44 and the upper-level steel casing mud tank 43 and is rotationally opened and closed through the cover plate movable shaft 45, the lock catch 46 is welded at the opening and closing end of the protection grid cover plate 44, the lock hole 54 in the lock catch 46 is connected through an iron wire or a lock chain, the two cover plates are closed, and the safety protection effect is achieved.

The retractable screen 49 is supported by a screen framework 50 and a screen hoop 52, a framework central shaft 48 is arranged at the center of the retractable screen 49, and one end of the screen framework 50 is connected with a hanging hook 51 through a chain buckle 55 and fixed on the wall of the steel protection cylinder.

The construction method of the graded filtering and protecting device for the mud pit of the underwater cast-in-situ bored pile comprises the following steps:

(1) mud pit protection net apron adopts hot-galvanize net board, and apron pivot means 53 welds on net apron and steel protect a mud pit lateral wall, rotates through apron loose axle 45 and opens and shuts, and the welding of apron opening and shutting end has hasp 46, connects lockhole 54 on the hasp 46 through iron wire or chain and carries out the closure to two coverboards, reaches safety protection's effect.

(2) The circular retractable screen mesh of mud pit is supported by screen mesh skeleton 50 and screen mesh hoop 52, and screen mesh skeleton 50 center is equipped with skeleton center pin 48, and skeleton one end is connected hanging wall hook 51 by chain link 55, fixes retractable screen mesh 49 on the steel protection section of thick bamboo wall. The filtered slag stones reach a certain amount, and are connected with the hanging hooks by the equal-length rope ring cables, and can be hoisted by the concrete pouring hanging bracket to play a slag removing role.

Claims (3)

1. The utility model provides an aquatic drilling bored concrete pile mud pit stage filter protector which characterized in that: including higher level steel protects a mud pit (43), lower level steel protects a mud pit (62), protection net apron (44), mud guiding gutter (47) and collapsible screen cloth (49), protection net apron (44) that can open and shut are arranged to the mud pool mouth, an opening has been seted up to adjacent steel protects a mud pit one side, lower level steel protects a mud pit (62) opening than higher level steel and protects a mud pit (43) low, upper and lower level steel protects a mud pit opening and passes through mud guiding gutter (47) and connect, lower level steel protects a mud pit (62) and arranges collapsible screen cloth (49).

2. The device for graded filtering and protecting of the mud pit of the underwater cast-in-situ pile as claimed in claim 1, wherein: the protective grid cover plate (44) is a hot galvanizing grid plate, a cover plate rotating shaft device (53) is welded on the side walls of the protective grid cover plate (44) and a superior steel casing mud tank (43), a cover plate movable shaft (45) is arranged in the cover plate rotating shaft device (53), a lock catch (46) is welded at the opening and closing end of the protective grid cover plate (44), and a lock hole (54) in the lock catch (46) is connected through an iron wire or a lock chain.

3. The device for graded filtering and protecting of the mud pit of the underwater cast-in-situ pile as claimed in claim 1, wherein: the retractable screen (49) is supported by a screen framework (50) and a screen hoop (52), a framework central shaft (48) is arranged at the center of the screen framework (50), and one end of the screen framework (50) is connected with a hanging hook (51) through a lock chain buckle (55) and is fixed on the wall of the steel protection cylinder.

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