CN212582664U

CN212582664U - Tubular pile crack reinforcing structure

Info

Publication number: CN212582664U
Application number: CN202020985077.XU
Authority: CN
Inventors: 刘建坚; 张润华; 王天梅
Original assignee: Dongguan Dacheng Construction Engineering Technology Co ltd
Current assignee: Dongguan Dacheng Construction Engineering Technology Co ltd
Priority date: 2020-03-13
Filing date: 2020-06-02
Publication date: 2021-02-23
Anticipated expiration: 2030-06-02

Abstract

The utility model relates to a tubular pile crack reinforcement structure, it includes the layer board, still including setting up in the loop bar of layer board central point department of putting, many swing joint fly leafs on the loop bar and setting up at the loop bar lower extreme in order to be used for driving each fly leaf to the outer subassembly that props that expands all around, the loop bar all sets up with layer board, fly leaf perpendicularly, and outer subassembly that props includes the connecting rod of being connected with each fly leaf and the driving piece of being connected with the loop bar. The utility model discloses have the effect that leak protection thick liquid, structural strength are high.

Description

Tubular pile crack reinforcing structure

Technical Field

The utility model belongs to the technical field of building structure's technique and specifically relates to a tubular pile crack reinforcement structure is related to.

Background

At present, when a tubular pile for building cracks, soil layer excavation construction needs to be carried out firstly, the soil layer around the tubular pile is excavated, and the tubular pile is excavated to the crack position and then is reinforced by grouting to reinforce the crack position of the tubular pile.

In the prior art, chinese patent publication No. CN204780892U discloses a high-strength tubular pile crack reinforcing structure, which includes a tubular pile and a crack located on the tubular pile, wherein a supporting plate is arranged in the tubular pile, and the supporting plate is located below the crack; a plurality of longitudinal ribs distributed circumferentially are arranged on the supporting plate, and the top ends of the longitudinal ribs are positioned above the cracks; a plurality of reinforcing hoops and a plurality of spiral hoops which are uniformly distributed are fixedly connected to the longitudinal ribs; and the middle part of the supporting plate is also provided with profile steel. This scheme not only can improve reinforcement intensity, prevents that the crack from appearing once more, and the dislocation of preventing improves tensile strength, straightness and structural strength hang down, still has the lower and higher advantage of efficiency of construction cost.

The above prior art solutions have the following drawbacks: when a crack is reinforced, firstly, the supporting plate is put down to the crack and put down from the inside of the tubular pile, namely, the diameter of the supporting plate is required to be smaller than the inner diameter of the tubular pile; when the supporting plate is smaller than the inner diameter of the tubular pile, slurry is easy to leak out from a gap between the supporting plate and the tubular pile in the grouting process, and the slurry leakage phenomenon occurs, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a tubular pile crack reinforcement structure appearance, it has the effect that leak protection thick liquid, structural strength are high.

The above object of the present invention can be achieved by the following technical solutions: the supporting plate comprises a supporting plate, and further comprises a loop bar arranged at the center of the supporting plate, a plurality of movable plates movably connected to the loop bar, and an external support assembly arranged at the lower end of the loop bar and used for driving the movable plates to expand towards the periphery, wherein the loop bar is perpendicular to the supporting plate and the movable plates, and the external support assembly comprises a connecting rod connected with the movable plates and a driving piece connected with the loop bar.

By adopting the technical scheme, the external support assembly has the effect of expanding the movable plate to the periphery, and after the supporting plate is placed below the crack of the tubular pile, the movable plate is driven by the external support assembly to expand to the periphery, so that no gap is generated between the movable plate and the tubular pile, the sealing effect is good, and the phenomenon of slurry leakage during grouting can be prevented; and form pressure and can play the supporting role to the layer board between fly leaf and the tubular pile inner wall, strengthen the structural strength of tubular pile, prolong the life of tubular pile.

The present invention may be further configured in a preferred embodiment as: each movable plate is arranged in a fan shape.

Through adopting above-mentioned technical scheme, the fly leaf can furthest with the laminating butt of tubular pile inner wall, prevents to produce the gap between fly leaf and the tubular pile inner wall, the phenomenon that the thick liquid spills from the gap when leading to slip casting.

The present invention may be further configured in a preferred embodiment as: the movable plate is located below the supporting plate.

Through adopting above-mentioned technical scheme, the fly leaf that is located the layer board below can guarantee that the layer board falls to tubular pile crack below, and the deviation appears when avoiding looking for the tubular pile crack, leads to tubular pile crack reinforcement operation failure.

The present invention may be further configured in a preferred embodiment as: each folding plate is arranged between the adjacent movable plates and comprises a first connecting plate and a second connecting plate which are hinged, and the first connecting plate and the second connecting plate are respectively movably connected with the side edges of the adjacent two movable plates.

By adopting the technical scheme, the method has the advantages that,

the present invention may be further configured in a preferred embodiment as: the driving piece is arranged as an air bag, and an air inlet pipe is connected to the driving piece.

By adopting the technical scheme, the air bag not only can drive the connecting rod and the movable plate to expand all around in a balanced manner, but also is simple and convenient to operate and saves cost.

The present invention may be further configured in a preferred embodiment as: the loop bar includes the sleeve pipe with layer board fixed connection and the bracing piece with sleeve pipe threaded connection, the bracing piece is the cavity form setting, the intake pipe is located the bracing piece.

Through adopting above-mentioned technical scheme, the bracing piece can be selected according to the height on tubular pile crack to ground, with bracing piece threaded connection back on the sleeve pipe, tubular pile crack department is transferred to the structure on bracing piece support sleeve pipe and the sleeve pipe, tears down the bracing piece after treating the grout, but the cost is saved to the recycle bracing piece.

The present invention may be further configured in a preferred embodiment as: the side wall of the lower end of the sleeve is provided with a plurality of open grooves, each connecting rod penetrates through the open grooves to be abutted to the driving part in the sleeve, and one end, far away from the movable plate, of each connecting rod is provided with a limiting block.

By adopting the technical scheme, the limiting block can prevent the connecting rod from being pushed out of the sleeve rod when the driving piece is expanded, so that the movable plate is separated from the sleeve rod; and the stopper has increaseed the area of contact of connecting rod with the driving piece, and the atress is more balanced when stopper and gasbag butt, can avoid the connecting rod to puncture the gasbag for the gasbag is more balanced to the driving speed of fly leaf.

The present invention may be further configured in a preferred embodiment as: and the outer side wall of the support rod is provided with a grouting pipe along the linear direction.

By adopting the technical scheme, the grouting pipe is convenient to grout from the ground to the crack of the tubular pile, the operation is simple and convenient, and the construction efficiency is high.

The present invention may be further configured in a preferred embodiment as: and a reinforcement cage is arranged on the supporting plate.

Through adopting above-mentioned technical scheme, the steel reinforcement cage can improve the tensile strength after the tubular pile crack reinforcement, improves the structural strength and the bearing capacity of tubular pile, avoids tubular pile crack department crack once more, is favorable to prolonging the life of tubular pile, is favorable to energy-concerving and environment-protective.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the first connecting mechanism and the second connecting mechanism are connected at the end corners of the vertical walls, so that the vertical walls can be stably connected, the installation speed is high, the operation is simple, and the labor cost is greatly saved;

2. connect a horizontal part between two vertical portions and make the connection between two vertical portions more stable effective, it is more convenient to install, and can reduce the condition emergence that vertical portion lost.

Drawings

Fig. 1 is a schematic structural view of a reinforcement structure for a crack of a tubular pile according to an embodiment;

FIG. 2 is a schematic sectional view of the present embodiment;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

fig. 4 is a schematic structural diagram of the movable plate in the present embodiment.

Reference numerals: 1. a tubular pile; 2. a support plate; 3. a loop bar; 31. a support bar; 32. a sleeve; 4. a movable plate; 5. a grouting pipe; 6. a reinforcement cage; 7. an outer support assembly; 71. a connecting rod; 72. a drive member; 73. an air inlet pipe; 74. a limiting block; 8. folding the board; 81. a first connecting plate; 82. and a second connecting plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a 1 crack reinforcement structure of tubular pile, including layer board 2, set up loop bar 3 and the fly leaf 4 of setting in the loop bar 3 bottom of 2 central points of layer board department of putting, select the loop bar 3 of suitable length according to ground to fissured distance, layer board 2 is the annular shape cover and establishes outside loop bar 3, and fly leaf 4 is provided with many, and all fly leaves 4 enclose to close and form the annular cover and establish loop bar 3 bottom. Be provided with the slip casting pipe 5 that is used for the slip casting along its length direction on loop bar 3, be provided with the steel reinforcement cage 6 that is used for improving crack reinforcement position department intensity on

fly leaf

4, 6 ring loop bars 3 settings of steel reinforcement cage, the thick liquid that flows into in the slip casting pipe 5 falls into on layer board 2 and in the steel reinforcement cage 6.

Referring to fig. 2, the loop bar 3 includes a support bar 31 extending out of the ground for supporting the whole structure and a sleeve 32 disposed below the support bar 31, the support plate 2, the movable plate 4 and the reinforcement cage 6 are all connected to the sleeve 32, the grouting pipe 5 is disposed on the outer sidewall of the support bar 31, the support bar 31 is in threaded connection with the inner wall of the sleeve 32, and when grouting is completed and grout is solidified, the support bar 31 is rotated, and the support bar 31 and the grouting pipe 5 can be taken down for recycling. Be provided with in the loop bar 3 and be used for driving fly leaf 4 to the outer supporting subassembly 7 of expansion all around, outer supporting subassembly 7 promotes fly leaf 4 to the inside wall butt with tubular pile 1, can play the effect of leak protection thick liquid.

Referring to fig. 2 and 3, the external bracing assembly 7 includes a connecting rod 71 connected with each movable plate 4 and a driving member 72 disposed in the connection of the loop bar 3, the driving member 72 is configured as an air bag, an air inlet pipe 73 is connected to the driving member 72, the air inlet pipe 73 is disposed in the loop bar 3 and extends upwards to the ground along the linear direction of the loop bar 3, the air bag is inflated by an inflation device on the ground, the air bag expands to push the connecting rod 71 connected with the movable plate 4 to move towards the circumferential side of the loop bar 3 until one end of the movable plate 4 far away from the connecting rod 71 abuts against the inner wall of the tubular pile 1.

An open slot 33 (not shown in the figure) corresponding to the number of the movable plates 4 is formed in the side wall of the lower end of the sleeve 32, the connecting rod 71 penetrates through the open slot 33 to abut against a driving part 72 in the sleeve 32, a limiting block 74 is arranged at one end, extending into the sleeve 32, of each connecting rod 71, the limiting block 74 can prevent the driving part 72 from pushing the connecting rod 71 out of the sleeve 32, the movable plates 4 are separated from the sleeve rod 3, the contact area between the limiting block 74 and the airbag is large, the stress is more balanced when the limiting block 74 abuts against the airbag, and the airbag can be prevented from.

Referring to fig. 4, each movable plate 4 is arranged in a sector shape, a folding plate 8 is arranged between each two adjacent movable plates 4, the folding plate 8 comprises a first connecting plate 81 and a second connecting plate which are movably connected with the side edges of the two adjacent movable plates 4 respectively, when the airbag is not inflated, the first connecting plate 81 and the second connecting plate are folded, and the movable plates 4 are enclosed to form a circular ring; when the airbag is in an inflated state, the movable plate 4 and the connecting plate are pushed by the airbag to the periphery, and the first connecting plate 81 and the second connecting plate are unfolded to form a circular ring together with the movable plate 4.

The implementation principle of the embodiment is as follows: selecting a proper support rod 31 according to the distance from the crack of the tubular pile 1 to the ground, connecting the support plate with a sleeve 32 through threads, hoisting the support rod 31, and moving the whole device downwards until the supporting plate 2 is positioned below the crack of the tubular pile 1; the air bag in the sleeve 32 is inflated through the inflation equipment and the air inlet pipe 73 on the ground, the air bag expands towards the periphery and pushes the limit block 74 and the connecting rod 71 which are abutted to the air bag to move towards the periphery of the sleeve 32 until the first connecting plate 81 and the second connecting plate are unfolded, and at the moment, the movable plate 4 is abutted to the inner wall of the tubular pile 1; grouting work is carried out on the ground into the tubular pile 1 through a grouting pipe 5, and after the reinforcement cage 6 above the supporting plate 2 is filled with grout, the grout is waited to be solidified; and (5) rotating the support rod 31 after the slurry is solidified, and taking out the support rod 31 and the grouting pipe 5 for recycling.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a tubular pile crack reinforcement structure, includes layer board (2), its characterized in that: the supporting plate is characterized by further comprising a sleeve rod (3) arranged at the center of the supporting plate (2), a plurality of movable plates (4) movably connected to the sleeve rod (3) and an outer supporting assembly (7) arranged at the lower end of the sleeve rod (3) and used for driving the movable plates (4) to expand towards the periphery, the sleeve rod (3) is perpendicular to the supporting plate (2) and the movable plates (4), and the outer supporting assembly (7) comprises a connecting rod (71) connected with the movable plates (4) and a driving piece (72) connected with the sleeve rod (3).

2. The tubular pile crack reinforcing structure of claim 1, characterized in that: each movable plate (4) is arranged in a fan shape.

3. The tubular pile crack reinforcing structure of claim 2, characterized in that: the movable plate (4) is positioned below the supporting plate (2).

4. The tubular pile crack reinforcing structure of claim 3, characterized in that: folding plates (8) are arranged between the adjacent movable plates (4), each folding plate (8) comprises a first connecting plate (81) and a second connecting plate which are hinged to each other, and the first connecting plate (81) and the second connecting plate are respectively movably connected with the side edges of the two adjacent movable plates (4).

5. The tubular pile crack reinforcing structure of claim 4, characterized in that: the driving piece (72) is arranged as an air bag, and an air inlet pipe (73) is connected to the driving piece (72).

6. The tubular pile crack reinforcing structure of claim 5, characterized in that: the loop bar (3) comprises a sleeve (32) fixedly connected with the supporting plate (2) and a supporting rod (31) in threaded connection with the sleeve (32), the supporting rod (31) is arranged in a hollow shape, and the air inlet pipe (73) is located in the supporting rod (31).

7. The tubular pile crack reinforcing structure of claim 6, characterized in that: the side wall of the lower end of the sleeve (32) is provided with a plurality of open grooves (33), each connecting rod (71) penetrates through the open grooves (33) to abut against a driving part (72) in the sleeve (32), and one end, far away from the movable plate (4), of each connecting rod (71) is provided with a limiting block (74).

8. The tubular pile crack reinforcing structure of claim 6, characterized in that: and a grouting pipe (5) is arranged on the outer side wall of the support rod (31) along the linear direction of the support rod.

9. The tubular pile crack reinforcing structure of claim 1, characterized in that: and a reinforcement cage (6) is arranged on the supporting plate (2).