A pile foundation sediment control device

Abstract

The invention discloses a kind of pile foundation sediment control device, belong to the technical field of pile foundation construction device of building;It includes annular sheath;One end of annular sheath is sheathed in the outer circumferential side of the bottom of reinforcement cage for inserting hole pile;Limiting plate in cantilever shape is installed on the inner side end face of annular sheath;Hollow function support is detachably installed on limiting plate;A plurality of water outlet nozzles are provided on the side end face of function support towards the axis of annular sheath, and a movable water pipe made of rigid material is also provided on function support;The lower end of movable water pipe is communicated with water outlet nozzle through the inner cavity of function support, and extends upward along the axis of annular sheath;The length of movable water pipe is greater than the depth of hole pile;The top of movable water pipe is connected with water pump through adapter pipe;The invention effectively solves the problem of poor cleaning effect and easy damage to hole wall caused by conventional cleaning means for sediment in hole pile.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pile foundation construction device, in particular to a pile foundation sediment control device. BACKGROUND

[0002] In the construction of building engineering, the construction mode of pouring concrete after placing steel reinforcement cage in hole pile is mostly adopted; in this construction mode, mud wall is generally set for hole pile, but the mud in hole is easy to deposit at the bottom of hole under the action of gravity, and if the deposited mud sediment is not cleaned effectively, the pile bottom sediment is easy to be caused after pouring concrete, which affects the support stability of the whole pile foundation, so it is necessary to clean the sediment of hole pile; at present, the sediment is mostly cleaned by using negative pressure pump and mud suction pipe before placing steel reinforcement cage, but this operation mode has poor effect and is difficult to comprehensively and effectively control the problem of pile bottom sediment. SUMMARY

[0003] The technical problem to be solved by the present application is to provide a pile foundation sediment control device to solve the problems of low work efficiency and easy damage to hole wall caused by the conventional cleaning means for the sediment in hole pile.

[0004] To solve the above problems, the present application provides the following technical scheme:

[0005] A pile foundation sediment control device, which comprises an annular sheath, one end of the annular sheath is sleeved on the outer circumferential side of the bottom of a steel reinforcement cage inserted into a hole pile, a cantilever-shaped limiting plate is installed on the inner side end face of the annular sheath, a hollow functional support is detachably installed on the limiting plate, a plurality of water outlet nozzles are arranged on the side end face of the functional support facing the axis of the annular sheath, and a movable water pipe made of rigid material is further arranged on the functional support, the lower end of the movable water pipe is communicated with the water outlet nozzles through the inner cavity of the functional support and extends upward along the axis of the annular sheath, the length of the movable water pipe is greater than the depth of the hole pile, and the top of the movable water pipe is connected with a water pump through an adapter pipe.

[0006] Preferably, the limiting plates are arranged in groups, each group of limiting plates comprises an upper limiting plate and a lower limiting plate, the tail ends of the upper limiting plate and the lower limiting plate are fixedly connected to the inner side wall of the annular sheath, and the two are arranged in parallel with each other, a positioning hole is opened in the protruding end of the limiting plate, a limiting pin is detachably installed at the positioning hole, and a steel wire rope capable of pulling the limiting pin out of the limiting plate is further arranged on the limiting pin.

[0007] Preferably, the functional support is spliced by a plurality of unit supports, each unit support is independent of each other, and the water outlet nozzles and the movable water pipes are arranged on each unit support, the unit support has an arc-shaped block structure, and the inner cavity of the block structure is hollow.

[0008] The two units on the functional support table are connected to each other by tenons and mortises arranged at the end positions.

[0009] Further, the number of the limiting plates is not more than the number of the functional support tables.

[0010] Preferably, one end of the water outlet nozzle is connected to the inner cavity of the functional support table through a corrugated hose; and an adjusting support for adjusting the angle of the water outlet nozzle relative to the horizontal plane is arranged on the functional support table at positions corresponding to the movable water pipes.

[0011] Preferably, the adjusting support comprises a vertical plate; the tail side of the vertical plate is connected to the inner side end surface of the functional support table, and the vertical plate is arranged close to one water outlet nozzle; a positioning block and a sliding block are arranged on the vertical plate; a threaded hole is arranged on the positioning block; a screw rod is movably arranged in the threaded hole; one end of the screw rod is rotatably connected to the sliding block, and the screw rod can drive the sliding block to move on the vertical plate; a rope holder is arranged on the sliding block; a pull rope is arranged on the rope holder; the other end of the pull rope is connected to a movable rod; one end side of the movable rod is connected to the water outlet nozzle.

[0012] Further, the positioning block and the sliding block are arranged on the end surface of the vertical plate facing away from the water outlet nozzle; the positioning block is arranged at the upper position of the front side of the vertical plate, and the sliding block is arranged at the tail side of the vertical plate; the height of the positioning block is smaller than the height of the sliding block; the rope holder is arranged at the lower part of the sliding block; the movable rod is rotatably arranged through the vertical plate at the middle part.

[0013] Preferably, the movable water pipe is a water and electricity integrated pipe; the water outlet nozzle is a nozzle structure with an electric control valve, and the electric control valve in the water outlet nozzle is powered by an external power supply through the electric wire arranged in the movable water pipe.

[0014] The application also provides a use method of the pile foundation sediment control device, which comprises the following steps:

[0015] S1, the annular sheath is fixedly connected to the lower bottom end of the steel reinforcement cage, and interference between the limiting plate and the axial steel reinforcement is avoided during installation;

[0016] S2, each unit table on the functional support table is placed between the upper limiting plate and the lower limiting plate, the unit tables are assembled and spliced after the placement is completed, and the functional support table and the limiting plate are clamped by the limiting pin; at this time, the movable water pipe is located at the inner side of the steel reinforcement cage;

[0017] S3, the screw rod on the adjusting support is rotated, the sliding block is driven to move by the screw rod, the sliding block is close to or away from the positioning block, the pull rope provides a tangential traction to the movable rod, and the angle of the water outlet nozzle relative to the horizontal plane is adjusted;

[0018] S4, the whole reinforcement cage and the structure connected with the reinforcement cage are put into the hole pile until the bottom of the reinforcement cage is close to the hole bottom of the hole pile, at this time the other end of the steel wire rope on the limiting pin is left outside the hole pile;

[0019] S5, the movable water pipe is connected to the water pump through the adapter pipe, the power supply of the electric control valve in the water outlet spray head is turned on, then the water pump is turned on, the water can be stirred in the sediment in the inner cavity of the hole pile through the movable water pipe and the functional support, and the sediment can be discharged through the conventional suction pipe and the negative pressure pump after the sediment is stirred;

[0020] S6, after the sediment is cleaned, the movable water pipe and the adapter pipe are removed, the steel wire rope on the limiting pin is pulled to make the limiting plate no longer limit the functional support; then the movable water pipe on each unit table of the movable functional support is moved to separate the unit tables; then the unit tables are lifted one by one.

[0021] The application has the beneficial effects that:

[0022] The application has the beneficial effects that: BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a three-dimensional structure schematic diagram of the device in the embodiment;

[0024] Figure 2 is Figure 1 is a three-dimensional structure schematic diagram of the device in the embodiment from another perspective;

[0025] Figure 3 is Figure 1 is a three-dimensional structure schematic diagram of the device in the embodiment, only the annular sheath and the limiting plate are left;

[0026] Figure 4 is Figure 1 is a three-dimensional structure schematic diagram of the device in the embodiment, only the functional support, the water outlet spray head, the movable water pipe, the limiting pin and the adjusting bracket are left;

[0027] Figure 5 is a three-dimensional structure schematic diagram of a unit table on the functional support table in the embodiment;

[0028] Figure 6 is a three-dimensional structure schematic diagram of the joint position of two adjacent unit tables on the functional support table in the embodiment;

[0029] Figure 7 is a three-dimensional structure schematic diagram of the position of the adjusting support and the corresponding water outlet nozzle in the embodiment;

[0030] Figure 8 is Figure 5 the left view of the device in the embodiment;

[0031] Figure 9 is a structure schematic diagram when the device and the corresponding reinforcement cage structure in the embodiment are placed into the hole pile;

[0032] Mark explanation: 1, annular sheath, 2, reinforcement cage, 3, limiting plate, 31, upper limiting plate, 32, lower limiting plate, 4, functional support table, 5, water outlet nozzle, 6, movable water pipe, 8, corrugated hose, 9, adjusting support, 10, water pump, 91, vertical plate, 92, positioning block, 93, sliding block, 94, screw rod, 95, rope frame, 96, pull rope, 97, movable rod. DETAILED DESCRIPTION

[0033] The application will be further described below in combination with the drawings and specific embodiments:

[0034] Embodiment:

[0035] Referring to Figure 1 , the embodiment provides a pile foundation sediment control device; it comprises an annular sheath 1; one end of the annular sheath 1 is sleeved on the outer circumferential side of the bottom of the reinforcement cage 2 for inserting into the hole pile; a cantilever-shaped limiting plate 3 is installed on the inner side end face of the annular sheath 1; a hollow functional support table 4 is detachably installed on the limiting plate 3; a plurality of water outlet nozzles 5 are arranged on the side end face of the functional support table 4 towards the axis of the annular sheath 1, and a movable water pipe 6 made of rigid material is further arranged on the functional support table 4; the lower end of the movable water pipe 6 is communicated with the water outlet nozzle 5 through the inner cavity of the functional support table 4 and extends upward along the axis of the annular sheath 1; the length of the movable water pipe 6 is greater than the depth of the hole pile; the top of the movable water pipe 6 is connected with a water pump 10 through an adapter pipe; the water pump used in the embodiment is a high-pressure water pump.

[0036] The limiting plates 3 are arranged in groups, and each group of limiting plates 3 comprises an upper limiting plate 31 and a lower limiting plate 32; the tail ends of the upper limiting plate 31 and the lower limiting plate 32 are fixedly connected to the inner side wall of the annular sheath 1, and the two are arranged in parallel with each other; a positioning hole is formed at the extending end of the limiting plate 3; a limiting pin is detachably installed at the positioning hole; a steel wire rope capable of pulling the limiting pin out of the limiting plate 3 is further arranged on the limiting pin.

[0037] The functional support platform 4 is spliced by a plurality of unit platforms, each unit platform is independent of each other, and a water outlet nozzle 5 and a movable water pipe 6 are arranged on each unit platform; the unit platform is an arc-shaped block structure, and the inner cavity of the block structure is hollow. In this embodiment, the outer diameter of each unit platform is smaller than the inner diameter of the annular sheath, so as to realize the splicing between the unit platform and the annular sheath.

[0038] The two adjacent unit platforms of the functional support platform 4 are clamped to each other through the tenon and the mortise arranged at the end positions respectively; a through hole is further formed at the position corresponding to the limiting plate on the tenon and the mortise, and the limiting pin is arranged through the through hole.

[0039] The number of groups of limiting plates 3 is not more than the number of functional support platforms 4. In this embodiment, the limiting plates and the functional support platforms are arranged in four groups; the number of water outlet nozzles arranged on a single unit platform is six.

[0040] One end of the water outlet nozzle 5 is connected to the inner cavity of the functional support platform 4 through a corrugated hose 8; an adjusting bracket 9 for adjusting the angle of the water outlet nozzle 5 relative to the horizontal plane is arranged on the functional support platform 4 at the position corresponding to each movable water pipe 6.

[0041] The adjusting bracket 9 comprises a vertical plate 91; the tail side of the vertical plate 91 is connected to the inner side end surface of the functional support platform 4, and the vertical plate 91 is arranged close to a water outlet nozzle 5; a positioning block 92 and a sliding block 93 are arranged on the vertical plate 91; a threaded hole is formed on the positioning block 92; a screw rod 94 is movably installed at the threaded hole; one end of the screw rod 94 is rotatably connected to the sliding block 93, and the screw rod 94 can drive the sliding block 93 to move on the vertical plate 91; a rope bracket 95 is further arranged on the sliding block 93; a pull rope 96 is arranged on the rope bracket 95; the other end of the pull rope 96 is connected to a movable rod 97; one end side of the movable rod 97 is connected to the water outlet nozzle 5. The rope bracket in this embodiment is a U-shaped buckle structure, and both end sides thereof are connected to the vertical plate.

[0042] The positioning block 92 and the sliding block 93 are arranged on the end surface of the vertical plate 91 away from the water outlet nozzle 5; the positioning block 92 is arranged at the upper position of the front side of the vertical plate 91, and the sliding block 93 is arranged at the tail side of the vertical plate 91; the height of the positioning block 92 is smaller than the height of the sliding block 93; the rope bracket 95 is arranged at the lower part of the sliding block 93; the movable rod 97 is movably arranged through the vertical plate 91 at the middle part.

[0043] The movable water pipe 6 is a water and electricity integrated pipe; the water outlet nozzle 5 is a nozzle structure with an electric control valve, and the electric control valve in the water outlet nozzle 5 is powered by an external power supply through the electric wire arranged in the movable water pipe 6.

[0044] When using the invented device in the embodiment, the following steps can be referred to for processing.

[0045] S1, the annular sheath 1 is fixed to the lower bottom end of the steel reinforcement cage 2, and the limiting plate 3 is avoided from interfering with the axial steel reinforcement during installation;

[0046] S2, each unit table on the functional support table 4 is placed between the upper limiting plate 31 and the lower limiting plate 32, the unit tables are assembled and spliced after the placement is completed, and the functional support table 4 is clamped between the limiting plates through the limiting pin; at this time, the movable water pipe 6 is located on the inner side of the steel reinforcement cage 2;

[0047] S3, by rotating the screw rod 94 on the adjusting support 9, the sliding block 93 is moved by the screw rod 94, so that the sliding block 93 is close to or away from the positioning block 92; so that the pull rope 96 provides a tangential traction to the movable rod 97, thereby adjusting the angle of the water outlet nozzle 5 relative to the horizontal plane; at this time, it is necessary to ensure that the directions of at least two water outlet nozzles 5 on each unit table are downwardly inclined, and the downwardly inclined water outlet nozzles can assist the device and the steel reinforcement cage to sink and install;

[0048] S4, the entire steel reinforcement cage 2 and the structure connected with the steel reinforcement cage 2 are placed into the hole pile until the bottom of the steel reinforcement cage is close to the hole bottom of the hole pile, at this time, the other end of the steel wire rope on the limiting pin is left outside the hole pile;

[0049] S5, the movable water pipe 6 is connected to the water pump through the adapter pipe, and the power supply of the electric control valve in the water outlet nozzle 5 is connected, after that, the water pump is turned on, the water can pass through the movable water pipe 6 and the functional support table 4, and then pass through the water outlet nozzle 5 to stir the sediment in the inner cavity of the hole pile, so that the sediment is stirred and then discharged through the conventional suction pipe and negative pressure pump;

[0050] S6, after the sediment is cleaned, the movable water pipe 6 and the adapter pipe are removed, and the steel wire rope on the limiting pin is pulled to make the limiting plate no longer limit the functional support table; after that, the movable water pipes on each unit table of the functional support table are moved to separate the unit tables; then each unit table is lifted.

Claims

1. A pile foundation sediment control apparatus, characterised in that: It includes annular sheath (1), annular sheath (1) is covered in the outer circumferential side of the bottom of reinforcement cage (2) for inserting into hole pile, the inner side end face of annular sheath (1) is installed with cantilevered limiting plate (3), the hollow functional support (4) is detachably installed on limiting plate (3), the side end face of functional support (4) towards annular sheath (1) axis is provided with several water outlet nozzles (5), and the movable water pipe (6) made of rigid material is also provided on functional support (4), the lower end of movable water pipe (6) is communicated with water outlet nozzle (5) through the inner cavity of functional support (4), and it extends upwards along the axis of annular sheath (1), the length of movable water pipe (6) is greater than the depth of hole pile, the top of movable water pipe (6) is connected with water pump through adapter pipe, one end of water outlet nozzle (5) is communicated with the inner cavity of functional support (4) through corrugated hose (8), the position corresponding to each movable water pipe (6) on functional support (4) is provided with adjusting support (9) for adjusting the angle size of water outlet nozzle (5) relative to horizontal plane, adjusting support (9) includes vertical plate (91), the tail side of vertical plate (91) is connected with the inner side end face of functional support (4), and vertical plate (91) is arranged close to one water outlet nozzle (5), positioning block (92) and sliding block (93) are arranged on vertical plate (91), threaded hole is formed in positioning block (92), screw rod (94) is movably installed at threaded hole, one end of screw rod (94) is rotatably connected on sliding block (93), and screw rod (94) can drive sliding block (93) to move on vertical plate (91), rope frame (95) is also arranged on sliding block (93), pull rope (96) is arranged on rope frame (95), the other end of pull rope (96) is connected on movable rod (97), one end side of movable rod (97) is connected on water outlet nozzle (5), positioning block (92) and sliding block (93) are arranged on the end face of vertical plate (91) away from water outlet nozzle (5), positioning block (92) is arranged on the upper position of front side of vertical plate (91), sliding block (93) is arranged on the tail side of vertical plate (91), the height of positioning block (92) is less than the height of sliding block (93), rope frame (95) is arranged on the lower part of sliding block (93), the middle part of movable rod (97) is rotatably arranged through vertical plate (91).

2. A pile foundation sediment control apparatus according to claim 1, characterised in that: Limiting plate (3) is arranged in groups, and each group of limiting plate (3) includes upper limiting plate (31) and lower limiting plate (32), the tail end of upper limiting plate (31) and lower limiting plate (32) is fixedly connected on the inner side wall of annular sheath (1), and they are arranged in parallel with each other, positioning hole is formed in the extending end of limiting plate (3), limiting pin is detachably installed at positioning hole, steel wire rope capable of pulling limiting pin out of limiting plate (3) is also arranged on limiting pin.

3. A pile foundation sediment control apparatus according to claim 2, characterised in that: Functional support (4) is spliced by several unit tables, each unit table is independent of each other, water outlet nozzle (5) and movable water pipe (6) are arranged on each unit table, unit table is arc-shaped block structure, the inner cavity of block structure is hollow.

4. A pile foundation sediment control apparatus according to claim 3, wherein: The tenon and the mortise are respectively arranged at the end positions and are mutually clamped between two adjacent unit tables on the functional support table (4); a through hole is further opened at a position corresponding to the limiting plate on the tenon and the mortise, and the limiting pin is arranged through the through hole.

5. A pile foundation sediment control apparatus according to claim 1, wherein: The number of the limiting plates (3) is not more than the number of the functional support tables (4).

6. A pile foundation sediment control apparatus according to claim 1, wherein: The movable water pipe (6) is a water and electricity integrated pipe; the water outlet nozzle (5) is a nozzle structure with an electric control valve, and the electric control valve in the water outlet nozzle (5) is powered by an external power supply through the electric wire arranged in the movable water pipe (6).

7. A method of using a pile foundation sediment control apparatus according to claim 4, characterised in that: The steps include: S1, the annular sheath (1) is fixed to the lower bottom end of the steel reinforcement cage (2), and the limiting plate (3) is prevented from interfering with the axial steel reinforcement during installation; S2, each unit table on the functional support table (4) is placed between the upper limiting plate (31) and the lower limiting plate (32), the unit tables are assembled and spliced after placement, and the limiting pin is used for clamping between the functional support table (4) and the limiting plate; at this time, the movable water pipe (6) is located on the inner side of the steel reinforcement cage (2); S3, the screw rod (94) on the rotating adjustment support (9) is rotated, the sliding block (93) is driven to move by the screw rod (94), the sliding block (93) is close to or away from the positioning block (92), so that the tangential traction provided by the pull rope (96) to the movable rod (97) is adjusted, and the angle of the water outlet nozzle (5) relative to the horizontal plane is adjusted; S4, the entire steel reinforcement cage (2) and the structure connected with the steel reinforcement cage (2) are placed into the hole pile until the bottom of the steel reinforcement cage is close to the hole bottom of the hole pile, at this time, the other end of the steel wire rope on the limiting pin is left outside the hole pile; S5, the movable water pipe (6) is connected to the water pump through the adapter pipe, the power supply of the electric control valve in the water outlet nozzle (5) is connected, then the water pump is opened, the water can pass through the movable water pipe (6) and the functional support table (4), and then pass through the water outlet nozzle (5) to stir the sediment in the inner cavity of the hole pile, so that the sediment is stirred and then discharged through the conventional suction pipe and the negative pressure pump; S6, after the sediment is cleaned, the movable water pipe (6) and the adapter pipe are removed, the steel wire rope on the limiting pin is pulled to make the limiting plate no longer limit the functional support table; then the movable water pipes on the unit tables of the functional support table are moved to separate the unit tables; then the unit tables are lifted one by one.

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