CN220184030U - Bored concrete pile bottom sediment clearing device - Google Patents

Abstract

The utility model relates to the field of filling pile construction equipment, and discloses a filling pile bottom sediment removal device which comprises a grouting bag arranged at the bottom of a reinforcement cage, a grouting assembly for grouting the inside of the grouting bag at high pressure, and a bearing plate arranged between the reinforcement cage and the grouting bag, wherein a plurality of sediment leakage holes are formed in the bearing plate. The utility model has the effects of thoroughly cleaning the sediment at the bottom of the pile hole and improving the bearing capacity of the cast-in-place pile.

Description

Bored concrete pile bottom sediment clearing device

Technical Field

The utility model relates to the field of filling pile construction equipment, in particular to a device for removing sediment at the bottom of a filling pile.

Background

Cast-in-place piles are one of the most commonly used pile types in the field of pile foundation engineering, and are piles made by forming holes in place and pouring concrete or reinforced concrete. Because the bored concrete pile has the advantages of strong stratum adaptability during construction, mature construction process, small construction equipment and the like. The main steps of the cast-in-place pile construction comprise three steps of pore forming, reinforcement cage placement and concrete casting. After the hole is formed, the bottom of the pile hole is generally required to be aligned

And removing sediments.

In carrying out the present utility model, the inventors have found that at least the following problems exist in this technology: at present, a slag suction hole cleaning pump is generally adopted to suck out the sediments, so that the sediments are not easy to thoroughly clean when the sediments are too thick and deposit occurs, and the bearing capacity of the cast-in-place pile can be influenced.

Disclosure of Invention

In order to enable sediment clearance at the bottom of a pile hole to be more thorough and improve the bearing capacity of a cast-in-place pile, the utility model provides a sediment removal device at the bottom of the cast-in-place pile.

The utility model provides a device for removing sediment at the bottom of a cast-in-place pile, which adopts the following technical scheme:

the utility model provides a bored concrete pile bottom sediment belt cleaning device, includes the slip casting bag that sets up in the steel reinforcement cage bottom, is used for carrying out the slip casting subassembly of high pressure slip casting to the slip casting bag inside and sets up the support board between steel reinforcement cage and slip casting bag, set up a plurality of slag leakage holes on the support board.

Through adopting above-mentioned technical scheme, after placing the stake hole with the steel reinforcement cage, utilize the slip casting subassembly to carry out high pressure slip casting to the slip casting bag inside, when carrying out the slip casting to the slip casting bag inside, the slip casting bag receives the sediment of the restriction extrusion stake hole bottom of bearing board, until the space of stake hole bottom is filled to the slip casting bag, thereby make the sediment turn over to the bearing board from the stake hole bottom through leaking the sediment hole, pour the concrete to the stake hole inside after the slip casting bag is accomplished to the slip casting, the concrete is continuously crowded to remove the sediment and is floated when dashing out from the pipe, thereby make sediment discharge stake hole, thereby realize the clearance to the sediment. In addition, when high-pressure grouting is carried out to the inside of the grouting bag, soil layers at the bottoms of the pile holes can be compacted, so that the bearing capacity of the cast-in-place pile is further improved.

Optionally, the grouting assembly comprises a grouting pump and a grouting pipe communicated with the grouting end of the grouting pump, and the grouting end of the grouting pipe extends to the inside of the grouting bag.

By adopting the technical scheme, the grouting pump is matched with the grouting pipe to perform high-pressure grouting on the grouting bag.

Optionally, a grouting pipe sleeve is arranged on the grouting bag, the grouting pipe sleeve of the grouting bag penetrates through the bearing plate and extends to the upper portion of the bearing plate, and the grouting end of the grouting pipe is in plug-in fit with the grouting pipe sleeve.

Through adopting above-mentioned technical scheme, through setting up the slip casting pipe box to with the play thick liquid end of slip casting pipe and slip casting pipe box grafting cooperation, thereby at the in-process of slip casting pipe slip casting, because the slip casting pipe is inside to be in the high-pressure state, slip casting pipe and slip casting pipe box inner wall form sealed cooperation, make slip casting pipe and slip casting bag be connected more reliably.

Optionally, the grouting pipe sleeve is externally provided with a binding belt.

Through adopting above-mentioned technical scheme, utilize the ribbon to tighten the slip casting pipe box, make slip casting pipe and slip casting pipe box inner wall cooperation inseparabler, accomplish the slip casting at the slip casting bag back at slip casting bag, the inside pressure release of slip casting pipe can directly take out the slip casting pipe.

Optionally, the bearing board includes the mainboard and sets up the turn-ups at the mainboard edge, the turn-ups is to keeping away from the direction of mainboard extends, the turn-ups has elasticity.

Through adopting above-mentioned technical scheme, when placing the supporting plate to the stake hole is inside, the turn-ups plays the effect of direction to the supporting plate, makes things convenient for the supporting portion to reach stake hole bottom, and the turn-ups runs into protruding accessible self elastic deformation and passes through protruding position smoothly simultaneously, reduces the supporting plate and produces the possibility of jamming.

Optionally, the slag leakage hole is formed in the edge of the flanging.

Through adopting above-mentioned technical scheme, the slag leakage hole sets up in the edge of turn-ups, makes things convenient for the upturning of sediment, and a plurality of slag leakage hole has promoted the upturning efficiency of sediment.

Optionally, the connection part of the main board and the flanging is in arc transition.

By adopting the technical scheme, the possibility of stress concentration at the joint of the main board and the flanging is reduced, and the reliability of the connection of the main board and the flanging is improved.

Optionally, the wall thickness of one side of the grouting bag close to the bearing plate is larger than that of the rest parts.

Through adopting above-mentioned technical scheme, be greater than other positions with the wall thickness that grouting bag is close to one side of the bearing board to make grouting bag take place deformation easily except that other positions that are close to one side of the bearing board, play better extrusion sediment effect.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. after placing the steel reinforcement cage into the stake hole, utilize the slip casting subassembly to carry out high pressure slip casting to the slip casting bag inside, when carrying out the slip casting to the slip casting bag inside, the slip casting bag receives the sediment of the restriction extrusion stake hole bottom of bearing plate, until the clearance of stake hole bottom is filled to the slip casting bag, thereby make the sediment pass through the weeping slag hole and turn over to the bearing plate from the stake hole bottom, pour the concrete to stake hole inside after the slip casting is accomplished to the slip casting bag, the concrete is constantly crowded to be moved the sediment and is carried out the come-up when punching out from the pipe, thereby make sediment discharge stake hole, thereby realize the clearance to the sediment. In addition, when high-pressure grouting is carried out inside the grouting bag, soil layers at the bottoms of the pile holes can be compacted, so that the bearing capacity of the cast-in-place pile is further improved;

2. by arranging the grouting pipe sleeve and splicing and matching the grouting end of the grouting pipe with the grouting pipe sleeve, in the grouting process of the grouting pipe, the grouting pipe and the inner wall of the grouting pipe sleeve form sealing and matching as the inside of the grouting pipe is in a high-pressure state, so that the grouting pipe and a grouting bag are connected more reliably;

3. when placing the bearing board to the stake hole is inside, the turn-ups plays the effect of direction to the bearing board, makes things convenient for the bearing portion to reach stake hole bottom, and the turn-ups runs into protruding accessible self elastic deformation and passes through protruding position smoothly simultaneously, reduces the bearing board and produces the possibility of jamming.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is a schematic view of a bearing plate structure according to an embodiment of the present utility model.

Reference numerals illustrate:

01. pile holes; 02. a reinforcement cage; 1. grouting bags; 11. grouting pipe sleeve; 12. a tie; 2. grouting components; 21. a grouting pump; 22. grouting pipe; 3. a bearing plate; 31. a main board; 32. flanging; 33. slag leakage holes.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-2.

The embodiment of the utility model discloses a device for removing sediment at the bottom of a cast-in-place pile.

Referring to fig. 1 and 2, a device for removing sediment at the bottom of a cast-in-place pile comprises a grouting bag 1, a grouting assembly 2 and a bearing plate 3, wherein the grouting bag 1 is arranged at the bottom of a steel reinforcement cage 02, the bearing plate 3 is arranged between the steel reinforcement cage 02 and the grouting bag 1, the bearing plate 3 is fixedly connected with the steel reinforcement cage 02, and a plurality of sediment holes 33 are formed in the bearing plate 3. The grouting assembly 2 comprises a grouting pump 21 and a grouting pipe 22, wherein the grouting pump 21 is arranged on the ground, the grouting end of the grouting pipe 22 is communicated with the grouting end of the grouting pump 21, and the grouting end of the grouting pipe 22 extends to the inside of the grouting bag 1.

Referring to fig. 1 and 2, after the reinforcement cage 02 is placed in the pile hole 01, high-pressure grouting is performed into the grouting bag 1 by using the grouting pipe 22 in combination with the grouting pipe 22, at this time, the grouting bag 1 is limited by the bearing plate 3 to squeeze the sediment at the bottom of the pile hole 01 until the grouting bag 1 fills the gap at the bottom of the pile hole 01, so that the sediment is turned up from the bottom of the pile hole 01 to the bearing plate 3 through the sediment leakage hole 33. After grouting is completed in the grouting bag 1, concrete is poured into the pile hole 01, and in the concrete pouring process, the concrete continuously extrudes sediment to float upwards, so that the sediment is discharged out of the pile hole 01.

Referring to fig. 2, the grouting bag 1 is fixedly connected with the bearing plate 3 at one side close to the bearing plate 3, and the wall thickness of the grouting bag 1 at one side close to the bearing plate 3 is larger than that of the rest parts. A grouting pipe sleeve 11 is arranged on the grouting bag 1, and the grouting pipe sleeve 11 penetrates through the bearing plate 3 and extends to the upper part of the bearing plate 3. The grouting pipe 22 has its grouting end connected to the grouting pipe sleeve 11 in inserted mode, and the grouting pipe sleeve 11 has the binding belt 12 outside.

Referring to fig. 2, the grouting pipe sleeve 11 is tightened by the tie 12, so that the grouting pipe 22 and the inner wall of the grouting pipe sleeve 11 form a sealing fit, and the inside of the grouting pipe 22 is in a high-pressure state in the grouting process of the grouting pipe 22, so that the grouting pipe 22 and the grouting pipe sleeve 11 are connected more reliably. After the grouting bag 1 finishes grouting, the inside of the grouting pipe 22 is decompressed, and the grouting pipe 22 can be directly pulled out.

Referring to fig. 2, the support plate 3 includes an integrally formed main plate 31 and a flange 32, the flange 32 is disposed at an edge of the main plate 31, a joint of the main plate 31 and the flange 32 is in arc transition, the flange 32 is disposed above the main plate 31 and extends in a direction away from the main plate 31, and the flange 32 is a metal sheet with elasticity. The edge of the flange 32 is provided with a plurality of notches so as to form a plurality of slag leakage holes 33.

The utility model provides a device for removing sediment at the bottom of a cast-in-place pile, which is implemented according to the following principle: the grouting pipe 22 is inserted and matched with the grouting pipe sleeve 11 at the grouting end, the binding belt 12 is bound outside the grouting pipe sleeve 11, then the reinforcement cage 02 is put into the pile hole 01, at the moment, the grouting pipe 22 starts high-pressure grouting into the grouting bag 1, the grouting bag 1 extrudes sediment at the bottom of the pile hole 01 in the grouting process, and accordingly the sediment is turned up to the upper part of the bearing plate 3 through the sediment leakage hole 33. And then the concrete pouring guide pipe is used for pouring concrete into the pile hole 01, and the concrete is continuously extruded to float the sediment in the concrete pouring process, so that the sediment is discharged out of the pile hole 01.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. A bored concrete pile bottom sediment clearing device, its characterized in that: including setting up slip casting bag (1) in steel reinforcement cage (02) bottom, being used for carrying out slip casting subassembly (2) of high pressure slip casting to slip casting bag (1) inside and setting up spandrel plate (3) between steel reinforcement cage (02) and slip casting bag (1), set up a plurality of slag leakage holes (33) on spandrel plate (3).

2. A bored pile bottom sediment removal apparatus as set forth in claim 1, wherein: the grouting assembly (2) comprises a grouting pump (21) and a grouting pipe (22) communicated with the grouting end of the grouting pump (21), and the grouting end of the grouting pipe (22) extends to the inside of the grouting bag (1).

3. A bored pile bottom sediment removal apparatus as set forth in claim 2 wherein: the grouting device is characterized in that a grouting pipe sleeve (11) is arranged on the grouting bag (1), the grouting pipe sleeve (11) of the grouting bag (1) penetrates through the bearing plate (3) and extends to the upper portion of the bearing plate (3), and the grouting end of the grouting pipe (22) is in plug-in fit with the grouting pipe sleeve (11).

4. A bored pile bottom sediment removal apparatus according to claim 3, wherein: the grouting pipe sleeve (11) is externally provided with a binding belt (12).

5. A bored pile bottom sediment removal apparatus as set forth in claim 1, wherein: the bearing plate (3) comprises a main plate (31) and a flanging (32) arranged at the edge of the main plate (31), wherein the flanging (32) extends away from the main plate (31), and the flanging (32) has elasticity.

6. A bored pile bottom sediment removal apparatus as set forth in claim 5 wherein: the slag leakage holes (33) are formed in the edge of the flanging (32).

7. A bored pile bottom sediment removal apparatus as set forth in claim 5 wherein: the joint of the main plate (31) and the flanging (32) is in arc transition.

8. A bored pile bottom sediment removal apparatus as set forth in claim 1, wherein: the wall thickness of one side of the grouting bag (1) close to the bearing plate (3) is larger than that of the rest parts.