CN219137777U - Device for controlling tubular pile to float upwards - Google Patents

Abstract

The utility model relates to a device of control tubular pile come-up especially relates to prestressing force tubular pile technical field, and it includes first tubular pile and the second tubular pile of vertical setting, be equipped with the go-between first tubular pile and the second tubular pile, along the direction sliding connection of perpendicular to go-between axis has the slider in the go-between, be equipped with on the go-between and supply slider gliding spout, be equipped with in the first tubular pile and be used for driving the outside gliding driving piece of slider, one side that the go-between axis was kept away from to the slider is equipped with the slip casting hole, one side that the slider is close to the go-between axis is equipped with the connecting pipe, the connecting pipe is linked together with the slip casting hole, be connected with the slip casting pipe on the slider, the bottom and the connecting pipe of slip casting pipe are linked together, the axis parallel of slip casting pipe and the top parallel and level of first tubular pile, the top of first tubular pile is equipped with the slip casting valve that is linked together with the slip casting pipe, and this application has the effect of control tubular pile come-up degree.

Description

Device for controlling tubular pile to float upwards

Technical Field

The application relates to the technical field of prestressed pipe piles, in particular to a device for controlling floating of a pipe pile.

Background

In the engineering construction process, a prestressed pipe pile is usually required to be used as a pile foundation, and the prestressed pipe pile is a hollow cylinder body slender concrete prefabricated part manufactured by adopting a prestressed process and a centrifugal forming method and mainly comprises a cylindrical pile body, an end plate, a steel hoop and the like.

After pile driving, the pile floats up due to soil squeezing effect, which is generally represented by bulge of shallow soil and lateral extrusion of deep soil, and damages to surrounding pavement and buildings, so that surrounding excavation foundation pit collapses or shifts and increases, and the influence on the driven pile is represented by pile body inclination and shallow pile floating.

For the related art, the pile floating can cause insufficient bearing capacity of the pile, and the pile foundation engineering can not be used.

Disclosure of Invention

In order to prevent the tubular pile from floating upwards, the application provides a device for controlling the tubular pile to float upwards.

The application provides a device of control tubular pile come-up adopts following technical scheme:

an apparatus for controlling the floating of a pipe pile, comprising: the grouting device comprises a first pipe pile and a second pipe pile which are vertically arranged, wherein a connecting ring is arranged between the first pipe pile and the second pipe pile, a sliding block is slidably connected in the connecting ring along the direction perpendicular to the axis of the connecting ring, a sliding groove for the sliding block to slide is formed in the connecting ring, a driving piece for driving the sliding block to slide outwards is arranged in the first pipe pile, a grouting hole is formed in one side, away from the axis of the connecting ring, of the sliding block, a connecting pipe is arranged on one side, close to the axis of the connecting ring, of the sliding block, the connecting pipe is communicated with the grouting hole, a grouting pipe is connected to the sliding block, the bottom of the grouting pipe is communicated with the connecting pipe, the grouting pipe is parallel to the axis of the first pipe pile, the top of the grouting pipe is flush with the top of the first pipe, and a grouting valve communicated with the grouting pipe is arranged at the top of the first pipe.

Through adopting above-mentioned technical scheme, with slider roll-off go-between, make the slider insert in the soil, then inject into grout in to the slider through the slip casting pipe, grout flows from the slip casting hole, can seal the slider admittedly after the grout condenses to the come-up of restriction first tubular pile and second tubular pile helps guaranteeing construction quality.

Optionally, one side that the slider is close to the go-between axis is equipped with the inclined plane, the driving piece is the pile follower, the pile follower is the hollow cylinder that locates inside the first tubular pile and is parallel with the first tubular pile axis, be equipped with on the pile follower and be used for dodging the groove of dodging of connecting pipe.

Through adopting above-mentioned technical scheme, the setting on inclined plane for the downmovement pile follower can be with the slider push away to the go-between outside, and it is more convenient to operate.

Optionally, the top of connecting pipe is equipped with the internal thread, the bottom of slip casting pipe is equipped with the external screw thread with internal thread looks adaptation.

Through adopting above-mentioned technical scheme, can make grouting pipe and connecting pipe connection's more firm, when grouting in to the slider, can guarantee grouting pipe's stability, help going on smoothly of grouting process.

Optionally, the grouting hole comprises a horizontal first hole body and a vertical second hole body, wherein the first hole body and the second hole body penetrate through the sliding block, and the first hole body and the second hole body are communicated.

Through adopting above-mentioned technical scheme, the opening of first hole body and second hole body distributes around the slider for all have the grout to flow around the slider, increased the area of contact of grout, thereby make the fixed more firm of slider, control first tubular pile and second tubular pile come-up's effect is better.

Optionally, the top and the bottom of go-between all are equipped with the locating lever, the bottom of first tubular pile and the top of second tubular pile all are equipped with the constant head tank with locating lever looks adaptation.

Through adopting above-mentioned technical scheme, locating lever and constant head tank cooperation can play the location effect when go-between and first tubular pile, second tubular pile are connected, and the installation is more convenient, and the connection effect is better, helps guaranteeing overall structure's stability.

Optionally, be equipped with the stopper on the slider, be equipped with the spacing groove that supplies the gliding stopper on the lateral wall of spout, the stopper joint is in the spacing groove.

Through adopting above-mentioned technical scheme, can prevent that the slider from directly sliding out from the go-between, lead to unable control the come-up of first tubular pile and second tubular pile.

Optionally, a holding rod is arranged at the top of the pile driver.

Through adopting above-mentioned technical scheme, the setting of holding rod makes operating personnel hold pile driver more convenient.

Optionally, the end of the positioning rod far away from the connecting ring is hemispherical.

Through adopting above-mentioned technical scheme, can reduce the possibility of blocking when inserting the constant head tank with the locating lever, conveniently insert the locating lever in the constant head tank, it is more convenient to use.

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

1. after driving the first tubular pile and the second tubular pile into the ground, outwards sliding the sliding block out to enable the sliding block to be inserted into the soil, then injecting cement paste into the sliding block through the grouting pipe, enabling cement paste to flow out through the grouting holes, and fixedly sealing the sliding block after the cement paste is coagulated, so that the floating of the first tubular pile and the second tubular pile is limited, and the construction quality is guaranteed.

2. The pile driver is arranged in the first tubular pile, the slide block can slide outwards by sliding the pile driver downwards, and the operation is simple and convenient.

3. The cooperation of locating lever and constant head tank can play the location effect when installing go-between and first tubular pile, second tubular pile for the connection effect is better, helps guaranteeing holistic steadiness.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of a structure for showing a detent lever and a detent groove according to an embodiment of the present application;

FIG. 3 is a schematic view of the structure at the connecting ring of an embodiment of the present application;

FIG. 4 is a schematic view of a slider according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a limiting groove according to an embodiment of the present application;

FIG. 6 is a cross-sectional view at a slider of an embodiment of the present application;

fig. 7 is a schematic structural view for showing a pile driver according to an embodiment of the present application.

Reference numerals: 1. a first pipe pile; 2. a second pipe pile; 3. a connecting ring; 31. a chute; 311. a limit groove; 32. a positioning rod; 4. a slide block; 41. grouting holes; 411. a first hole body; 412. a second aperture body; 42. a connecting pipe; 421. an internal thread; 43. an inclined plane; 44. a limiting block; 45. a tank body; 5. grouting pipe; 51. an external thread; 6. a pile feeder; 61. an avoidance groove; 62. a grip; 7. and a positioning groove.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a device for controlling tubular pile to float upwards. Referring to fig. 1, comprising: the first tubular pile 1 and the second tubular pile 2 of vertical setting, the inside and outside footpath of first tubular pile 1 and second tubular pile 2 is the same, and first tubular pile 1 is located the top of second tubular pile 2, fixedly connected with go-between 3 between first tubular pile 1 and the second tubular pile 2, go-between 3 and the inside and outside footpath of first tubular pile 1, second tubular pile 2 are the same. In order to ensure the installation effect of the connecting ring 3 and the first and second tubular piles 1 and 2, referring to fig. 2, three positioning rods 32 are welded on the top and bottom of the connecting ring 3 in a circumferential array manner, positioning grooves 7 matched with the positioning rods 32 are formed in the bottom of the first tubular pile 1 and the top of the second tubular pile 2, and the positioning rods 32 are matched with the positioning grooves 7 to play a positioning role in connection so as to ensure the connection effect. To facilitate insertion of the positioning rod 32 into the positioning groove 7, the end of the positioning rod 32 remote from the connecting ring 3 is provided in a hemispherical shape.

Referring to fig. 3, horizontal sliding grooves 31 are formed in the left and right sides of the connecting ring 3, the two sliding grooves 31 are symmetrical with respect to the axis of the connecting ring 3, sliding blocks 4 are slidably connected in the two sliding grooves 31, and one side, away from the axis of the connecting ring 3, of the sliding blocks 4 is provided with an arc surface identical to the outer wall of the connecting ring 3. Referring to fig. 4, a limiting block 44 is welded on the side wall of the sliding block 4, referring to fig. 5, a limiting groove 311 for sliding the limiting block 44 is formed on the side wall of the sliding groove 31, and the limiting block 44 is clamped in the limiting groove 311, so that the sliding block 4 can only slide on the connecting ring 3, and the sliding block 4 is prevented from sliding out of the connecting ring 3.

Referring to fig. 6, a grouting hole 41 is formed in one side of the slider 4 away from the axis of the connection ring 3, the grouting hole 41 includes a horizontal first hole 411 and a vertical second hole 412, the horizontal first hole 411 penetrates the front and rear sides of the slider 4, the vertical second hole 412 penetrates the top and bottom sides of the slider 4, and the first hole 411 and the second hole 412 are communicated. The connecting pipe 42 is welded on one side of the sliding block 4 close to the axis of the connecting ring 3, the connecting pipe 42 is in a vertical state, and the bottom of the connecting pipe 42 is communicated with the first hole 411 and the second hole 412. The vertical cell body 45 has been seted up to one side that slider 4 is close to go-between 3 axis, and the bottom surface of cell body 45 is in the coplanar with the top surface of connecting pipe 42, and sliding connection has the slip casting pipe 5 that is vertical state in the cell body 45, and the bottom surface of slip casting pipe 5 and the bottom surface parallel and level of cell body 45, the top surface of slip casting pipe 5 and the top surface parallel and level of first tubular pile 1, the top of first tubular pile 1 is connected with the slip casting valve that is linked together with slip casting pipe 5. When the grouting pipe 5 is slid to the top of the connection pipe 42, the grouting pipe 5 is communicated with the connection pipe 42, cement slurry can be injected into the connection pipe 42 from the grouting pipe 5, and then discharged from the connection pipe 42 through the first hole 411 and the second hole 412. In order to make the connection between the grouting pipe 5 and the connection pipe 42 more stable, the top of the connection pipe 42 is provided with an internal thread 421, and the bottom of the grouting pipe 5 is provided with an external thread 51 adapted to the internal thread 421.

During operation, the first tubular pile 1 and the second tubular pile 2 are buried underground, in order to drive the sliding block 4 in the connecting ring 3 to slide outwards on the ground, referring to fig. 4 and 7, one side of the sliding block 4, which is close to the axis of the connecting ring 3, is provided with an inclined surface 43, the inside of the first tubular pile 1 is vertically and slidingly connected with a pile driver 6, the pile driver 6 is a hollow cylinder parallel to the axis of the first tubular pile 1, a holding rod 62 is welded at the top of the pile driver 6, and the holding rod 62 is in a horizontal state. In order to enable the pile driver 6 to slide smoothly along the first tubular pile 1, the left and right sides of the pile driver 6 are provided with avoiding grooves 61 for avoiding the connection pipe 42.

During installation, the second pipe pile 2 is driven into the ground until the top of the second pipe pile 2 is higher than the ground by about 1m, then the connecting ring 3 is installed on the top of the second pipe pile 2, the connecting ring 3 and the second pipe pile 2 are welded together, then the grouting pipe 5 is installed in the first pipe pile 1, the bottom of the grouting pipe 5 is located in the groove 45, the first pipe pile 1 is installed on the top of the connecting ring 3, and then the first pipe pile 1 and the connecting ring 3 are welded together. In the initial state, the sliding block 4 is positioned inside the connecting ring 3, the outer wall of the sliding block 4 is flush with the outer wall of the first tubular pile 1, and then the first tubular pile 1 is driven into the ground.

Then the pile driver 6 is slid in from the top of the first tubular pile 1, and as the inner side of the sliding block 4 is provided with the inclined plane 43, when the pile driver 6 contacts the inclined plane 43, the sliding block 4 at two sides can slide outwards due to the extrusion of the downward movement of the pile driver 6 on the inclined plane 43, the sliding block 4 is inserted into the soil, and the first hole 411 and the second hole 412 can be exposed; when the slide block 4 slides outwards and the grouting pipe 5 slides towards the direction approaching the connecting pipe 42 relative to the slide block 4, the grouting pipe 5 is rotated when the grouting pipe 5 moves to the top of the connecting pipe 42, so that the grouting pipe 5 and the connecting pipe 42 are connected together through threads; then the grouting valve is opened, cement slurry flows into the connecting pipe 42 through the grouting pipe 5, flows into the first hole body 411 and the second hole body 412 from the connecting pipe 42, finally flows out of the first hole body 411 and the second hole body 412 and is filled into soil, and along with the coagulation of the cement slurry, the periphery of the sliding block 4 is fixedly sealed, so that the sliding block 4 is fixed, the first pipe pile 1 and the second pipe pile 2 are limited, and the floating of the pipe piles is limited.

The implementation principle of the device for controlling the tubular pile to float upwards is as follows: driving the second tubular pile 2 into the ground, exposing the top of the second tubular pile 2 to the ground, installing the connecting ring 3 on the top of the second tubular pile 2 through the cooperation of the positioning rod 32 and the positioning groove 7, and then welding the second tubular pile 2 and the connecting ring 3 together; and then the grouting pipe 5 is arranged in the first pipe pile 1, the first pipe pile 1 is arranged at the top of the connecting ring 3, the first pipe pile 1 is driven into the ground, in an initial state, the sliding block 4 is positioned inside the connecting ring 3, and the outer wall of the sliding block 4 is flush with the outer wall of the first pipe pile 1. Pile driver 6 is installed from the top of first pipe pile 1, when the bottom of pile driver 6 contacts with inclined surface 43 of slide block 4, downward movement of pile driver 6 can make slide block 4 slide outwards, slide block 4 is inserted into soil, then grouting valve is opened, cement slurry flows into connecting pipe 42 through grouting pipe 5, and then flows into grouting hole 41 from connecting pipe 42, finally flows out from grouting hole 41, after cement slurry is coagulated, slide block 4 is sealed firmly, so that first pipe pile 1 and second pipe pile 2 are limited, and floating of pipe piles is prevented.

The foregoing is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. A device for controlling tubular pile floating, which is characterized in that: comprising the following steps: the utility model provides a vertical first tubular pile (1) and second tubular pile (2) that set up, be equipped with go-between (3) between first tubular pile (1) and second tubular pile (2), along direction sliding connection of perpendicular to go-between (3) axis has slider (4) in go-between (3), be equipped with on go-between (3) and supply slider (4) gliding spout (31), be equipped with in first tubular pile (1) and be used for driving slider (4) outside gliding driving piece, one side that go-between (4) kept away from (3) axis is equipped with grouting hole (41), one side that slider (4) are close to go-between (3) axis is equipped with connecting pipe (42), connecting pipe (42) are linked together with grouting hole (41), be connected with grouting pipe (5) on slider (4), the bottom and connecting pipe (42) of grouting pipe (5) are linked together, grouting pipe (5) are parallel with the axis of first tubular pile (1), the top of grouting pipe (5) and first tubular pile (1) are equipped with the flush and are linked together with grouting pipe (1).

2. A device for controlling the floating of a pipe pile according to claim 1, wherein: one side of the sliding block (4) close to the axis of the connecting ring (3) is provided with an inclined plane (43), the driving piece is a pile driver (6), the pile driver (6) is a hollow cylinder body which is arranged inside the first tubular pile (1) and is parallel to the axis of the first tubular pile (1), and an avoidance groove (61) for avoiding the connecting pipe (42) is formed in the pile driver (6).

3. A device for controlling the floating of a pipe pile according to claim 1, wherein: the top of connecting pipe (42) is equipped with internal thread (421), the bottom of slip casting pipe (5) is equipped with external screw thread (51) with internal thread (421) looks adaptation.

4. A device for controlling the floating of a pipe pile according to claim 1, wherein: the grouting hole (41) comprises a horizontal first hole body (411) and a vertical second hole body (412), the first hole body (411) and the second hole body (412) penetrate through the sliding block (4), and the first hole body (411) and the second hole body (412) are communicated.

5. A device for controlling the floating of a pipe pile according to claim 1, wherein: the top and the bottom of go-between (3) all are equipped with locating lever (32), the bottom of first tubular pile (1) and the top of second tubular pile (2) all are equipped with constant head tank (7) with locating lever (32) looks adaptation.

6. A device for controlling the floating of a pipe pile according to claim 1, wherein: the sliding block (4) is provided with a limiting block (44), the side wall of the sliding groove (31) is provided with a limiting groove (311) for the limiting block (44) to slide, and the limiting block (44) is clamped in the limiting groove (311).

7. A device for controlling the floating of a pipe pile according to claim 2, wherein: the top of the pile driver (6) is provided with a holding rod (62).

8. A device for controlling floating of a pipe pile according to claim 5, wherein: the end part of the positioning rod (32) far away from the connecting ring (3) is hemispherical.

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