CN217419625U - High-pressure water jet leading hole auxiliary pile sinking - Google Patents

Abstract

The utility model discloses a high pressure is penetrated water and is led hole auxiliary pile sinking, be responsible for, design backplate, high pressure delivery pipe, ordinary pressure delivery pipe and supplementary hoist and mount head including the center, wherein the lower extreme installation design backplate that the center was responsible for at least, two piece at least branch pipes are left out to the end of high pressure delivery pipe, and two branch pipes set up the both sides of being responsible for at the center, and high pressure delivery pipe and ordinary pressure delivery pipe are responsible for the installation along the center, and supplementary hoist and mount head installs the upper end of being responsible for at the center. The high-pressure water jet guide hole auxiliary pile sinking adopts a steel pipe with a rectangular section, a high-pressure water pipe and a normal-pressure water pipe are arranged in a cavity of the steel pipe, soil bodies are cut through high-pressure water flow, and in the process of pile driving and inserting, high-pressure water is used for synchronously cutting soil below, so that pile driving and sinking efficiency is improved, the difficulty of inserting the device underground is reduced, and a normal-pressure water pump is used for delivering silt through water flow; after the hole is formed, the pile is driven to sink by vibration, so that the verticality and elevation of the sheet pile are guaranteed.

Description

High-pressure water jet leading hole auxiliary pile sinking

Technical Field

The utility model belongs to the technical field of the water conservancy construction, concretely relates to high pressure is penetrated water and is led hole and assist pile sinking.

Background

With the rapid development of society, the contradiction between the destruction of the traditional water conservancy dike dam engineering to the aspects of river ecological environment, landscape diversity and the like and the aspect that rivers meet the leisure and entertainment requirements of people, particularly the protection of important river habitat and the like is deepened gradually. The existing river levee structure usually adopts forms of mortar bonding, dry masonry blocks, concrete and the like to protect the slope, plays a certain role in the aspects of keeping the stability of the levee structure, preventing water and soil loss and the like, but the river levee structure has relatively high manufacturing cost and large maintenance difficulty, and has adverse effects on landscape, environment and ecology in different degrees.

The concrete sheet pile is a novel material for retaining soil, protecting slope and cofferdam, changes the defects of high cost, poor mechanical property, difficult construction, unstable forming quality and the like of the traditional hydraulic engineering used materials, has the characteristics of safety, attractiveness and reliability, and is very convenient and simple to maintain in the later period. The method is widely applied to the engineering fields of ocean engineering, flood control and disaster reduction of large rivers, renovation and reinforcement of inland rivers and lake revetments, port and pier engineering, dam emergency rescue engineering, farmland water conservancy construction, roadbed and railway revetments retaining, bridge culvert revetments retaining and bearing, urban building foundation pit support, permanent underground continuous walls and the like.

In particular, the pile body of the novel centrifugal sheet pile is made of concrete C80, and the durability of the centrifugal sheet pile is good for permanent slopes; the beating resistance is good in beating process, and the decay resistance is good in an environment with certain decay resistance: the bending resistance and the shearing strength of the pile body are suitable for the bank protection engineering within 3m of the vertical section of the slope height; the pile body has high rigidity, the deformation limiting capacity is superior to that of a cast-in-place pile with the same size, on the basis of meeting the requirement of side slope safety, the later additional landscape effect is better, the construction process is beneficial to environmental protection, and the comprehensive cost is lower.

However, the construction of the centrifugal sheet pile has the problems that the whole length of the concrete-poured centrifugal sheet pile is about 11 meters, the whole centrifugal sheet pile needs to be driven into the ground to be deeply buried in order to reinforce a river bank and provide a foundation for protecting the river bank, the resistance of the centrifugal sheet pile in the piling process is large due to the overlong filling depth, a pile driver needs to frequently impact the end part of the centrifugal sheet pile, the end part of the centrifugal sheet pile is damaged, the damaged centrifugal sheet pile needs to be extracted and replaced, the construction cost is increased in response, the construction workload is increased, and the construction quality is affected.

The construction mode of the centrifugal sheet pile mainly comprises the following steps of directly sinking the pile: the length of the pile is 11 meters, a 680 type excavator is adopted to directly sink the pile with a hydraulic vibration hammer, the pile cannot sink to the designed elevation, the pile cannot sink to the position with the pile top 1-3 meters away from the ground, and the pile end on site is damaged to different degrees; and (3) long spiral hole guiding auxiliary pile sinking: by adopting the spiral guide hole with the length of 500 meters and the length of 9 meters, the sheet pile can be sunk to the designed elevation, but the verticality cannot be ensured, and the gap between the piles is too large, so that the design requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

To current centrifugal sheet pile construction difficulty, the easy problem of damaging of centrifugal sheet pile in the pile construction process, the utility model provides an install high ordinary pressure water pipe in the cavity of the sunk pile that punches, utilize the supplementary sunk pile in high pressure water jet pilot hole.

The utility model provides a scheme that its technical problem adopted is: the utility model provides a supplementary pile sinking device of high pressure water jet guiding hole, includes central person in charge, design backplate, high pressure water pipe and ordinary pressure water pipe, the design backplate locate the outside of central person in charge and with the outer wall of central person in charge links to each other, high pressure water pipe including be responsible for and two terminal branch pipes, the person in charge laminating of high pressure water pipe be fixed in central person in charge's lateral surface or medial surface, be responsible for the top and be the water inlet, two branch pipes of high pressure water pipe are fixed in the relative both sides inner wall of design backplate respectively, the ordinary pressure water pipe laminating be fixed in central person in charge's lateral surface or medial surface, its upper end is the water inlet, its lower extreme delivery port is drawn forth or central person in charge outer wall is drawn forth from central person in charge's inner chamber.

The utility model further provides a high-pressure water jet leading hole auxiliary pile sinking device, the shaping guard plate comprises an upper shaping guard plate and a lower shaping guard plate, and the upper shaping guard plate is arranged at the upper half part of the central main pipe; the lower shaping guard plate is arranged on the lower half part of the central main pipe, and one end of the lower side of the lower shaping guard plate is flush with the lower end of the central main pipe.

The utility model further provides a high-pressure water injection hole-leading auxiliary pile sinking device, the shaping guard plate is also wrapped by the edge shaping guard plate arranged on one side of the central main pipe, and the edge shaping guard plate is connected with the upper shaping guard plate and the lower shaping guard plate; and water leakage holes are formed in the side surface of the edge shaping guard plate.

The utility model discloses further provide a high pressure is penetrated water guide hole and is assisted pile sinking device, the center is responsible for and is provided with a plurality of through holes, through hole intercommunication limit design backplate and center are responsible for's lumen and open section.

The utility model provides a high pressure is penetrated the supplementary pile sinking device of water induction hole, the lower extreme of lower design backplate is equipped with triangle-shaped's crop, the one end of crop and lower design backplate parallel and level, the other end stretches out down the design backplate.

The utility model provides a high pressure is penetrated water and is led supplementary pile sinking device in hole, the pile sinking device is still including installing the supplementary hoist and mount head on the central person in charge, supplementary hoist and mount head is located go up the top of design backplate.

The utility model discloses further provide a high pressure water jet guiding hole assists pile sinking device, the person in charge and the branch pipe of high pressure water pipe pass through the tee junction.

The utility model provides a high pressure is penetrated water and is led hole auxiliary pile sinking device, the center is responsible for and is adopted the circular shape tubular metal resonator, and the welding has the reinforcing plate between design backplate and the center is responsible for.

The utility model discloses further provide a pile sinking device is assisted in high pressure water jet guiding hole, supplementary hoist and mount head be the rectangle entity, and the both sides face of supplementary hoist and mount head is provided with anti-skidding line.

The utility model provides a high pressure is penetrated water and is led hole auxiliary pile sinking device, it is the channel-section steel board welding with lower design backplate to go up the design backplate and form, limit design backplate also makes for the channel-section steel board.

The utility model has the advantages that:

utilize supplementary pile sinking device that metal was made to punch in advance, avoid directly using the pile driver to hit centrifugal sheet pile, lead to centrifugal sheet pile to appear damaging, bury carrying out centrifugal sheet pile after punching in advance, reduce centrifugal sheet pile male resistance, improve the efficiency of pile sinking landfill, reduce the construction degree of difficulty, improve the efficiency of construction.

The high-pressure water cutting device is arranged on the auxiliary pile sinking device, and soil below the auxiliary pile sinking device is synchronously cut by using high-pressure water in the pile driving and inserting process, so that the pile driving and sinking efficiency is improved, and the difficulty of inserting the device into the ground is reduced.

The auxiliary pile sinking device is also provided with a normal-pressure water supply pipe, water is supplied to the front end of the device through normal-pressure water supply, the auxiliary pile sinking device is convenient to drive into the device by softening soil through water supply, and the soil in the punching process is removed.

The high-pressure water jet guiding hole auxiliary sinking pile adopts a rectangular pipe fitting with the shape cross section size of 600 x 350mm and the length of 12 m, a high-pressure water pipe and a normal-pressure water pipe are arranged in a cavity of the pipe fitting, soil is cut by high-pressure water flow, and silt is taken out by the normal-pressure water pump through the water flow; and after the hole is formed, the pile is driven to sink in a vibration mode, so that the verticality and elevation of the sheet pile are guaranteed.

Drawings

Fig. 1 is a construction layout of a centrifugal sheet pile.

Fig. 2 is a centrifugal sheet pile sinking layout.

Fig. 3 is a schematic perspective view of a high-pressure water jet leading hole auxiliary pile sinking.

Fig. 4 is a schematic view of a second three-dimensional structure of a high-pressure water jet guiding hole auxiliary pile sinking.

Fig. 5 is a front view structural schematic diagram of a high-pressure water jet guiding hole auxiliary pile sinking.

Fig. 6 is a schematic view of the bottom structure of the auxiliary pile sinking of the high-pressure water jet guiding hole.

Fig. 7 is an installation structure view of the high pressure water pipe.

Fig. 8 is an installation structure view of a normal pressure water pipe.

Fig. 9 is a structural schematic diagram of the right side view of the high-pressure water jet guiding hole auxiliary pile sinking.

Reference numbers in the figures: centrifugal sheet pile 1, supplementary hoist and mount head 2, the center is responsible for 3, goes up design backplate 4, lower design backplate 5, limit design backplate 6, crop 7, anticreep board 201, high pressure water pipe 8, ordinary pressure water pipe 9, high-pressure tube shower nozzle 801, ordinary pressure pipe delivery port 901, reinforce board 202, high-pressure connecting pipe 802, ordinary pressure connecting pipe 902, hole 61 leaks.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Example 1: centrifugal sheet pile is used for the river course construction as novel bank protection usually, as shown in fig. 1, buries centrifugal sheet pile 1 deeply at the downside on river course both sides, utilizes centrifugal sheet pile to separate river course and side slope, as shown in fig. 2, many centrifugal sheet piles butt joint bury and form the side slope median, avoid the river course to the influence of side slope, on the foundation play that satisfies side slope security, its later stage additional view effect is fine, construction process does benefit to the environmental protection, and synthesizes the cost lower.

Aiming at the problems that the existing centrifugal sheet pile is difficult to construct and is easy to damage in the piling construction process, the embodiment discloses a high-pressure water injection auxiliary pile sinking device for deep burying of the centrifugal sheet pile, as shown in fig. 3-5, wherein the main body of the high-pressure water injection auxiliary pile sinking device comprises an iron central main pipe 3, the central main pipe 3 is used as a framework, and a rectangular shaping protection plate is welded on the outer side of the central main pipe.

As shown in fig. 3, the shaped guard plate includes an upper shaped guard plate 4, a lower shaped guard plate 5 and an edge shaped guard plate 6, wherein the upper shaped guard plate 4 and the lower shaped guard plate 5 are installed on the same side of the central main pipe 3, the edge shaped guard plate 6 is installed on the other side of the central main pipe, and the width of the shaped guard plate is equivalent to the size of the central main pipe.

The upper shaping guard plate 4, the lower shaping guard plate 5 and the edge shaping guard plate 6 are symmetrically welded along the central main pipe to form a rectangular outer frame, wherein the edge shaping guard plate 6 is a long shaping guard plate, the upper shaping guard plate 4 and the lower shaping guard plate 5 are short shaping guard plates, the edge shaping guard plate 6 is slightly shorter than the length of the central main pipe, and the lower end of the edge shaping guard plate 6 is also provided with a conical cut head 7. Can reduce the pile degree of difficulty through conical crop, improve pile efficiency.

The upper shaping guard plate 4 and the lower shaping guard plate 5 are welded on the central main pipe 3 in an upper section and a lower section respectively, wherein the upper shaping guard plate 4 is used for ensuring the shaping of the upper edge of a formed hole and avoiding the phenomenon that the quality of the formed hole is poor due to the collapse of the upper edge of the formed hole and the sinking and burying of a centrifugal sheet pile are influenced; the lower end of the lower shaping guard plate 5 corresponds to the lower end of the side shaping guard plate 6 and forms a rectangle, and the size of the rectangle formed at the position is the same as that of the centrifugal sheet pile, so that a counter bore formed by the auxiliary pile sinking device is the same as that of the centrifugal sheet pile, and the centrifugal sheet pile is convenient to sink and bury.

In the punching process of the auxiliary pile sinking device, the longer edge shaping protection plate 6 is close to the sunk centrifugal sheet pile, the completely closed edge shaping protection plate 6 is convenient to attach to the sheet pile, and meanwhile, the phenomenon that the centrifugal sheet pile installed is extruded due to the fact that extruded soil is discharged outside in the punching process is avoided; go up and stereotype backplate 4 and leave great open section down between the backplate 5 of stereotyping, the in-process of punching can be arranged outward by open section, avoids earth to remain in a large number in the middle of stereotyping backplate and central person in charge, causes earth compression, increases the degree of difficulty that supplementary pile sinking device inserted down.

A plurality of through holes are formed in the center main pipe, and the pipe cavities of the edge shaping guard plate 6 and the center main pipe 3 are communicated with the opening section through the through holes, so that mud discharging and pressure relief are facilitated.

The device in-process of inserting downwards, the earth in device below and the device lumen can receive the extrusion, leads to the density increase of earth, and the earth of high density produces stronger resistance, influences the efficiency that the device punched, can cause the damage etc. of device seriously even.

A high-pressure water pipe 8 and a normal-pressure water pipe 9 are installed between the shaping guard plate and the central main pipe, as shown in fig. 7, the high-pressure water pipe 8 is a thin high-pressure water resistant pipe, the upper end of the high-pressure water pipe protrudes out of the shaping guard plate, a water pipe connector is arranged at the upper end of the high-pressure water pipe and used for being connected with a high-pressure water pump, a three-way joint is connected to the lower end of the high-pressure water pipe 8, and the high-pressure water pipe is divided into two parts through the three-way joint.

A group of high-pressure pipe nozzles 801 are symmetrically fixed at the lower end of the auxiliary pile sinking device, a through hole is arranged at a proper position on the central main pipe, and the high-pressure pipe nozzles 801 at two sides are communicated through the through hole by a high-pressure connecting pipe 802.

As shown in fig. 6 and 8, the lower end of the normal pressure water pipe 9 is connected to a normal pressure connection pipe 902, and the normal pressure connection pipe passes through the central main pipe and is connected to a normal pressure pipe water outlet 901 installed in the central main pipe.

The high-pressure water pipe 8 downwards sprays high-pressure water columns through the high-pressure pipe nozzle 801, soil below the high-pressure water column cutting device improves the piling efficiency of the auxiliary pile sinking device.

In the installation of ordinary pressure water pipe 9 communicates central main pipe, soften silt through ordinary pressure water pipe water injection, be convenient for get rid of silt, further reduce the pile degree of difficulty, promote pore-forming efficiency and pore-forming quality simultaneously.

Example 2: on the basis of the embodiment 1, the central main pipe 3 is a circular iron pipe, the outside of the circular pipe is symmetrically welded with a shaping guard plate, the diameter of the circular pipe is equal to the width of the centrifugal sheet pile to be buried, the symmetrically welded shaping guard plate is rectangular, and the size of the rectangle is the same as that of the centrifugal sheet pile.

Simultaneously as shown in fig. 6, still weld between design backplate and the circular center person in charge 8 and have the reinforcing plate 202, improve the intensity of supplementary pile sinking device through reinforcing plate 202, circular center person in charge can disperse the stress point in the downward in-process, evenly bears the produced pressure of downward extrusion silt, avoids supplementary pile sinking device to damage the deformation.

Example 3: as shown in fig. 3, an auxiliary hoisting head 2 is further welded to the upper end of the central main pipe 8, the auxiliary hoisting head 2 is rectangular, and a corresponding groove shaping guard plate and the like are arranged on the auxiliary hoisting head 2, so that the auxiliary hoisting head can be conveniently butted with a pile driver, for example, protruding anti-drop plates 201 are symmetrically arranged on the side surfaces of the rectangular auxiliary hoisting head 2, and the anti-drop plates 201 are arranged in multiple rows, so that the safety of auxiliary hoisting is improved.

Example 4: further side at limit design backplate 6 is provided with a plurality of holes 61 that leak, the in-process of supplementary pile sinking pile driving downwards, the mixed front end spun rivers of a large amount of earth form mud, a large amount of mud is compressed by the pile sinking, lead to pressure reinforcing, if do not in time get rid of mud and water, the lower extreme pressure increase leads to earth compacter, influence pile sinking male efficiency, the pressure in the while limit design backplate 6 also can increase, influences the durability of pile sinking.

Therefore, the side surface of the edge shaping guard plate is provided with the water leakage holes 61 for pressure relief, and slurry gushed from the water leakage holes can also fill gaps between the installed sinking piles, so that the stability of pile sinking landfill is improved.

Claims (10)

1. The utility model provides a supplementary pile sinking device of high pressure water jet guiding hole, its characterized in that is responsible for (3), design backplate, high pressure water pipe (8) and ordinary pressure water pipe (9) including the center, the design backplate locate the center be responsible for the outside of (3) and with the outer wall that the center was responsible for links to each other, high pressure water pipe (8) including being responsible for and two terminal branch pipes thereof, the person in charge laminating of high pressure water pipe (8) be fixed in the lateral surface or the medial surface that the center was responsible for, be responsible for the top and be the water inlet, two branch pipes of high pressure water pipe (8) are fixed in the relative both sides inner wall of design backplate respectively, ordinary pressure water pipe (9) laminating be fixed in the lateral surface or the medial surface that the center was responsible for, its upper end is the water inlet, its lower extreme delivery port is drawn forth from center main pipe inner chamber or the center is responsible for the outer wall and is drawn forth.

2. The high-pressure water jet leading hole auxiliary pile sinking device according to claim 1, wherein the shaping guard plate comprises an upper shaping guard plate (4) and a lower shaping guard plate (5), the upper shaping guard plate (4) is installed on the upper half part of the central main pipe (3); the lower shaping protection plate (5) is arranged on the lower half part of the central main pipe (3), and one end of the lower side of the lower shaping protection plate (5) is flush with the lower end of the central main pipe (3).

3. The high-pressure water injection and hole leading auxiliary pile sinking device as claimed in claim 2, wherein the shaping guard plate further comprises an edge shaping guard plate (6) mounted on one side of the central main pipe (3), and the edge shaping guard plate (6) is connected with the upper shaping guard plate (4) and the lower shaping guard plate (5); and water leakage holes (61) are formed in the side surface of the edge shaping protection plate (6).

4. The high-pressure water jet leading hole auxiliary pile sinking device as claimed in claim 3, wherein the central main pipe (3) is provided with a plurality of through holes, and the through holes are communicated with the tube cavities and the open sections of the edge shaping guard plate (6) and the central main pipe (3).

5. The high-pressure water injection hole-leading auxiliary pile sinking device as claimed in claim 2 or 3, wherein the lower end of the lower shaping guard plate (5) is provided with a triangular cutting head (7), one end of the cutting head (7) is flush with the lower shaping guard plate (5), and the other end of the cutting head extends out of the lower shaping guard plate (5).

6. The high-pressure water jet leading hole auxiliary pile sinking device according to claim 2, further comprising an auxiliary hoisting head (2) mounted on the central main pipe (3), wherein the auxiliary hoisting head (2) is arranged above the upper shaping protecting plate (4).

7. The high-pressure water jet guide hole auxiliary pile sinking device as claimed in claim 1, wherein the main pipe and the branch pipe of the high-pressure water pipe (8) are connected by a tee.

8. The high-pressure water jet leading hole auxiliary pile sinking device according to the claim 1, characterized in that the central main pipe (3) is a circular metal pipe, and a reinforcing plate (202) is welded between the shaping guard plate and the central main pipe (3).

9. The high-pressure water jet leading hole auxiliary pile sinking device as claimed in claim 1, wherein the auxiliary hoisting head (2) is a rectangular solid, and anti-slip lines are arranged on two side faces of the auxiliary hoisting head (2).

10. The high-pressure water jet leading hole auxiliary pile sinking device is characterized in that the upper shaping guard plate (4) and the lower shaping guard plate (5) are both formed by welding channel steel plates, and the edge shaping guard plate (6) is also formed by welding channel steel plates.

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