CN208815523U - A kind of construction tool for hole making by vibration - Google Patents
A kind of construction tool for hole making by vibration Download PDFInfo
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- CN208815523U CN208815523U CN201821226961.4U CN201821226961U CN208815523U CN 208815523 U CN208815523 U CN 208815523U CN 201821226961 U CN201821226961 U CN 201821226961U CN 208815523 U CN208815523 U CN 208815523U
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- earthenware
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Abstract
The utility model provides a kind of construction tool for hole making by vibration, it includes that vibration hammer and the opening made of steel go out earthenware, the open earthenware out is equipped with central through hole, the lower part of the open earthenware out is tubular structure, the top of the open earthenware out is half shell structure, the power output end of the vibration hammer is connect with the top of the open earthenware out, and the length of the open tubular structure of the lower part of earthenware out is greater than 0.8m.Construction tool structure provided by the utility model for hole making by vibration is simple, and easy to use, speed of fulfiling hole is fast, solves the problems, such as existing because construction site is narrow, drilling machine bring construction efficiency due to thick sand bed such as is difficult to penetrate at the factors is low, pore-forming is difficult.
Description
Technical field
The utility model relates to technical field of bridge engineering, especially a kind of construction tool for hole making by vibration.
Background technique
With the development of pile foundation technology, at present there are many forming hole method of bored concrete pile, construction personnel can be according to different
Condition of construction uses different method and processes.
Stake can be according to " technical code for building pile foundation " (JGJ 94-2008), and by stake diameter, (design diameter d) size is divided into: small
Diameter stake (d≤250mm), intermediate diameter stake (250mm ﹤ d ﹤ 800mm) and large diameter pile (d≤800mm).
During the pile foundation construction of bridge, to construct when encountering close to creek side, narrow space, soil layer is thick sand bed, and
Stake diameter is less than 800mm, when the case where the negligible amounts of stake, using manually digging hole filling pile method (i.e. using it is artificial cut the earth at
Then steel reinforcement cage, concrete perfusion pile are placed in hole), the large labor intensity of construction worker, and there is certain risk.Make
With large-scale construction equipment pilot hole, operating expenses is high, uneconomical.According to mud circulation construction method (i.e. in drill-pouring
In the formation of pile of stake, drill bit is promoted with impact type device or hoist engine, and impact holing is suspended boring mud by mud, keeps drill bit every
Secondary to impact the new soil layer of bottom hole, mud pit and drilling form fluid circulation.) mud pit must be established, carry out mud circulation
Process, since building site is close to creek side, during mud circulation, body refuse is likely to polluted source.
Utility model content
The purpose of the utility model is to provide a kind of construction tools for hole making by vibration, and structure is simple, easy to use,
Speed of fulfiling hole is fast, solves existing because construction site is narrow, drilling machine due to thick sand bed such as is difficult to penetrate at the factors apply by bring
The problem of work low efficiency, pore-forming difficulty.
To achieve the goals above, the utility model embodiment provides a kind of construction tool for hole making by vibration, including
Vibration hammer and the opening made of steel go out earthenware, and the open earthenware out is equipped with central through hole, and the opening goes out under earthenware
Portion is tubular structure, and the top of the open earthenware out is half shell structure, and the power output end of the vibration hammer is opened with described
Mouth goes out the top connection of earthenware, and the length of the open tubular structure of the lower part of earthenware out is greater than 0.8m.
Preferably, the open earthenware out is by the first groove profile steel plate fastened relatively and the second groove profile steel plate group
It is greater than the length of the second groove profile steel plate at the length of, the first groove profile steel plate, and the first groove profile steel plate and described
The bottom of second groove profile steel plate is concordant.
Preferably, the material of the first groove profile steel plate and the second groove profile steel plate is channel steel or steel sheet pile.
Preferably, when the material of the first groove profile steel plate and the second groove profile steel plate is steel sheet pile, institute
The fore shaft of the fore shaft and the second groove profile steel plate of stating the first groove profile steel plate is connected by welding.
Preferably, the length of the open tubular structure of the lower part of earthenware out is less than 1.0m.
Preferably, the vibration hammer is hydraulic vibration driver.
To sum up, a kind of construction tool for hole making by vibration provided by the utility model embodiment, opening go out earthenware
Central through hole can be used for carrying sand, structure is simple, and opening goes out earthenware and is made of steel, gathers materials on the spot, and have certain strong
Degree.Opening goes out earthenware combination vibration hammer and uses, and can pass through thick sand bed, improve the working efficiency of middle-size and small-size steel-pipe pile pore-forming, and
And hole quality is high.
Detailed description of the invention
Fig. 1 is the side view of the construction tool provided by the embodiment of the utility model for hole making by vibration；
Fig. 2 is the top view of open earthenware out provided by the embodiment of the utility model.
Appended drawing reference:
1, vibration hammer, 2, open earthenware out, the 21, first groove profile steel plate, the 22, second groove profile steel plate.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As depicted in figs. 1 and 2, the utility model provides a kind of construction tool for hole making by vibration comprising vibration hammer 1
Go out earthenware 2 with the opening made of steel, opening goes out earthenware 2 and is equipped with central through hole, and the lower part that opening goes out earthenware 2 is tubular knot
Structure, the top that opening goes out earthenware 2 is half shell structure, and the power output end of vibration hammer 1 is connect with the top of open earthenware 2 out,
The length that opening goes out the tubular structure of the lower part of earthenware 2 is greater than 0.8m.
Based on the above-mentioned technical proposal, it before hole making by vibration, first with the steel plate fixture function of vibration hammer 1, clamps opening and goes out
Open earthenware 2 out is lifted to the position for needing to punch by the top of earthenware 2, and fine tuning opening goes out position and the verticality of earthenware 2
Afterwards, the lower part of open earthenware 2 out is entered in sand by vibration-sunk with vibration hammer 1, until sand did not had open be unearthed completely
The lower part of device 2.Through-hole embeds sand filling soil at this time, and stopping vibration slowly vertically above mentioning open earthenware 2 out with vibration hammer 1, due to this
Construction tool is mainly used for nonirrigated farmland or few water and more closely knit cement stratum, and the sand being squeezed into through-hole has certain adherency
Power and extruding force, sand can be attached in through-hole, be not easy to drop out.Opening is gone out into earthenware 2 and moves to designated position, is shaken with vibration hammer 1
Dynamic open earthenware 2 out, makes open earthenware 2 out draw off the sand in through-hole.Opening goes out the length of the tubular structure of the lower part of earthenware 2
Greater than 0.8m, if its length is too short, causes the soil digging amount of construction tool very little, influence construction progress.The utility model is implemented
The construction tool for hole making by vibration that example provides, using it is open go out earthenware simple structure, the cooperation use of vibration hammer 1 can be with
Sand is carried repeatedly.Even if in thick sand bed, by the vibration of vibration hammer 1 also can pilot hole, improve the above sandy soils of level of ground water
The working efficiency of middle-size and small-size stake diameter pore-forming, and hole quality is high.
Wherein, open earthenware 2 out is made of the first groove profile steel plate 21 fastened relatively and the second groove profile steel plate 22, the first slot
The length of shape steel plate 21 is greater than the length of the second groove profile steel plate 22, and the bottom of the first groove profile steel plate 21 and the second groove profile steel plate 22
Concordantly.The utility model is gathered materials on the spot, and open earthenware 2 out is made using the common groove profile steel plate in construction site, production is simple, saves
About cost.It is the structure that one is long and the other is short that opening, which goes out earthenware 2, can mitigate the weight bearing of vibration hammer 1, if two groove profile steel plates are isometric, is opened
Mouth, which goes out earthenware 2, to cause sand to be not easy to draw off out of hole because its through-hole is too long.First groove profile steel plate 21 and the second groove profile steel plate 22
Bottom be concordantly conducive to it is open go out earthenware 2 vibration-sunk, so that it is kept certain verticality during sinking, will not
Inclined side occurs.
The material of first groove profile steel plate 21 and the second groove profile steel plate 22 is channel steel or steel sheet pile, with some strength and firmly
The case where degree, the rigidity of structure is big, is less prone to bending deformation or fractures.In the present embodiment, the first groove profile steel plate 21 and second
The material of groove profile steel plate 22 is preferably Larsen steel sheet pile, has the advantages that high intensity, low weight, water-resisting property are good, flexing resistance
Channel steel can be better than with supporting intensity.Larsen steel sheet pile comes with locking notch structure, can be freely combined, and is formed a kind of continuous tight
The steel structure body of close earth-retaining.The fore shaft positional symmetry of two Larsen steel sheet piles welds together, and good airproof performance has waterproof earth-retaining
Effect.Further, the first steel 1 and the second steel 2 are all made of NS-SP-IIIA shaped steel plate pile, and width 400mm is high
Degree is 150mm, with a thickness of 13.1mm.Wherein, the second groove profile steel plate 22 is cut by Larsen steel sheet pile, the first groove profile steel plate 21
The Larsen steel sheet pile for being 12 meters for full-length.The length of first groove profile steel plate 21 and the second groove profile steel plate 22 is all in accordance with pilot hole depth
It spends and determines.During actual construction, the first groove profile steel plate 21 and the second groove profile steel plate 22 can by cutting and welding spreading,
Dimensions is not limited to the present embodiment.
When the material of the first groove profile steel plate 21 and the second groove profile steel plate 22 is steel sheet pile, the fore shaft of the first groove profile steel plate 21
It is connected by welding with the fore shaft of the second groove profile steel plate 22, centre forms the through-hole that cross-sectional shape is hexagon.It is welded to connect
Performance is good, and strength of welded joint is big, and compactness is good.After welding, steel sheet pile good integrity has good air-tightness and watertight
Property.
Consider that the factors such as coefficient of friction, the length that opening goes out the tubular structure of the lower part of earthenware 2 are less than 1.0m.If opening goes out
The lower length of earthenware 2 is more than 1.0m, is influenced by the adhesion strength of sand, and when soil is unloaded in vibration, sand is not easy to draw off from through-hole,
Influence construction speed.
In addition, vibration hammer 1 is hydraulic vibration driver, hydraulic vibration driver compared with electrically operated hammer, diesel hammer, when construction vibration sense it is small,
Noise is small, does not disturb residents, and construction efficiency is ten times of common piling machinery, and pile vibrosinking speed is generally in 4-7m/min, non-
Reach 12m/min in muddy ground matter prestissimo.High-frequency hydraulic hammer being capable of the geology such as penetrating the cobble stratum, sand bed, building waste
Layer it is very capable.
To sum up, a kind of construction tool for hole making by vibration provided by the utility model embodiment, opening go out earthenware
Central through hole can be used for carrying sand, structure is simple, and opening goes out earthenware and is made of steel, gathers materials on the spot, and have certain strong
Degree.Opening goes out earthenware combination vibration hammer and uses, and can pass through thick sand bed, improve the working efficiency of middle-size and small-size steel-pipe pile pore-forming, and
And hole quality is high.
The construction method that the utility model embodiment is related to, comprising the following steps:
Step 1: prepare construction material, including steel-pipe pile, vibration hammer 1 and for manufacture it is open go out earthenware 2 steel, manufacture
Construction tool；
Step 2: correcting the verticality of steel-pipe pile, the maximum deflection difference value of the verticality of steel-pipe pile is made to be no more than the 1/ of its length
150, with the empty vibration steel-pipe pile of vibration hammer 1, it is allowed to sink to 1~2m in soil, corrects the verticality of steel-pipe pile again.Steel-pipe pile is vibrated,
After vibration hammer 1 vibrates 1 minute, the pile penetration of steel-pipe pile is less than 8mm, and exciting 10 minutes, the pile penetration of steel-pipe pile was less than 3cm
When, then stop vibrating, draws cutting line and cutting of steel tubular pole by design stake top absolute altitude, cutting mechanics deviation is ± l0mm.
Step 3: the open earthenware 2 out of lifting is overlapped its axis with the center line of steel-pipe pile, vibrates opening with vibration hammer 1
During the sinking of earthenware 2 is buried out, the vibration frequency range of vibration hammer 1 is 25-60HZ, amplitude range 3-8mm, and opening is gone out earthenware
2 lower part do not bury completely in after, stop vibration；
Step 4: slowly above proposing opening and go out outside earthenware 2 to steel-pipe pile, will be located in the open through-hole of earthenware 2 out by vibrating
Soil draw off；
Step 5: 3 to 4 are repeated the above steps, until the soil being located in steel-pipe pile is all drawn off；
Step 6: carrying out hole depth repetition measurement before whole hole, the bottom of steel-pipe pile is cleaned out, and carry out double measurement hole depth；
Step 7: carrying out concrete pouring technology.
Wherein, the preparation construction material in step 1 includes storing and checking construction material.The place of storage steel should be put down
It is whole, solid, draining is unobstructed, stacking height must not exceed 1.5m.Before construction, circle should be spread with lime in the center to pilot hole,
The stake diameter size and location of steel-pipe pile is marked, checks whether steel-pipe pile end has floating rust and greasy dirt, if so, must remove, is kept
Steel-pipe pile is dry.Checking steel pipe stake body, whether there are cracks or damage, if haveing damage must not be sunk before reasonably handle
Pipe construction.In the present embodiment, steel-pipe pile uses Q235B steel.Q235B has a certain elongation, intensity, good toughness and
Castability is easy to punching press and welding.This engineering uses 26 pile bases for the steel-pipe pile of Φ 60cm, and steel-pipe pile embedded depth is 12
Rice.Specific steel pipe pile material, quantity and embedded depth are depending on actual construction requirement and environment, example without being limited thereto.
Since the verticality of steel-pipe pile is directly related to the bearing capacity of pile foundation, thereby, it is ensured that pile body pore-forming vertical precision is to fill
Infuse an essential condition of stake smooth construction.In step 2, specifically, the front of steel-pipe pile first is erected at two theodolites
And side, the verticality of stake is corrected, necking down, broken pile and other issues can occur to avoid bridge in the verticality for correcting steel-pipe pile.
If steel-pipe pile is extracted inserting piling again after should aligning it was found that stake position just or does not tilt.It shakes to steel-pipe pile sky, the interior of sand can be made
Angle of friction reduction, strength reduction, convenient for sinking to steel-pipe pile in soil.
Based on the above-mentioned technical proposal, it is carried out by way of vibrating counterbore by manufacturing for the tool of hole making by vibration
Sand in steel-pipe pile does not need not needed to prepare mud pit yet, solved and pass through thickness using traditional manually digging hole filling pile
When layer of sand, conventional vibration pore-forming technique speed is slow, the problems such as sinking difficulty.And for the letter of the tool construction of hole making by vibration
It is single, it can gather materials on the spot, easily manufactured, cost is relatively low, especially suitable in the middle-size and small-size steel-pipe pile hole making by vibration of sand class soil layer
Construction.
In step 1, choose that both ends are flawless, the first groove profile steel plate 21 and the second groove profile steel plate 22 of no concave-convex deformation,
Second groove profile steel plate 22 is cut, cutting mechanics deviation is ± l0mm, by the fore shaft and the second slot of the first groove profile steel plate 21
The fore shaft of shape steel plate 22 welds together, and makes to form through-hole among the first groove profile steel plate 21 and the second groove profile steel plate 22.It chooses outer
The intact steel plate of shape can guarantee that open earthenware out is not susceptible to deformation during sinking under vibration.To the second groove profile steel plate
22 when being cut, if notch mechanical deflection is excessive, will lead to that material consumption is big, and construction efficiency is low, construction cost increases.Cause
This, notch slot is as narrow as possible, and width is consistent.
In step 2, using oxygen-acetylene cutting technique cutting of steel tubular pole, when cutting, does not need mobile steel-pipe pile, mobile
Oxy-acetylene flame just can be cut rapidly, and cutting efficiency is high, and equipment is light, easy to carry.When cutting of steel tubular pole, first by design stake
Top mark height draws cutting line, controls the pressure of acetylene and oxygen, cut surface must be smooth clean and tidy, and thickness line is consistent.
The steel plate edge corner angle of notch are not allow for significantly melting.
In step 4, the method for oscillating tapped using hydraulic vibration piling machine vibration or manually with rod iron will be located at opening
The soil in 2 through-hole of earthenware is drawn off out.Using above two method, is dissipated by vibrating to shake the sand in through-hole, reduce sand
The adhesion strength and extruding force of soil, to draw off.
Step 6 specifically includes:
Step 6.1, after ensuring hole depth, the remaining soil of steel-pipe pile tube wall is rinsed with hydraulic giant；
Step 6.2, with the water and soil mixture in water pump extraction steel-pipe pile.
Step 6 end Kong Qianyong lining rope carries out hole depth repetition measurement.After native aqueous mixtures in water pump extraction steel pipe, double measurement hole
It is deep, guarantee that hole depth reaches design requirement, to carry out step 7 casting concrete.If remaining soil and extraction are rinsed after borehole cleaning not in time
Water and soil mixture is easy to cause hole depth excessively shallow, reduces the amount of pouring of concrete, influences the stability of bridge.
In the present embodiment, it is poured using C20 plain concrete.Step 7 is being carried out, when concrete is poured, need to wanted by drawing
It asks and is welded on reinforcing bar on the inside of steel-pipe pile.300~500mm of steel pipe pile bottom or more is passed to using the conduit that diameter is 20cm, according to
Opening goes out earthenware base underwater concreting technique and is poured.
In the description of the present invention, it should be noted that the side of the instructions such as term " longitudinal direction ", "upper", "lower", "outside"
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.In addition, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (6)
1. a kind of construction tool for hole making by vibration, it is characterised in that: be unearthed including vibration hammer with the opening made of steel
Device, the open earthenware out are equipped with central through hole, and the lower part of the open earthenware out is tubular structure, and the opening goes out earthenware
Top is half shell structure, and the power output end of the vibration hammer is connect with the top of the open earthenware out, and the opening goes out
The length of the tubular structure of the lower part of earthenware is greater than 0.8m.
2. the construction tool according to claim 1 for hole making by vibration, it is characterised in that: the open earthenware out is by phase
The first groove profile steel plate and the second groove profile steel plate group to fastening is at the length of the first groove profile steel plate is greater than second groove profile
The length of steel plate, and the first groove profile steel plate is concordant with the bottom of the second groove profile steel plate.
3. the construction tool according to claim 2 for hole making by vibration, it is characterised in that: the first groove profile steel plate and
The material of the second groove profile steel plate is channel steel or steel sheet pile.
4. the construction tool according to claim 3 for hole making by vibration, it is characterised in that: when the first groove profile steel plate
When material with the second groove profile steel plate is steel sheet pile, the fore shaft of the first groove profile steel plate and the second groove profile steel plate
Fore shaft is connected by welding.
5. the construction tool according to claim 1 for hole making by vibration, it is characterised in that: under the open earthenware out
The length of the tubular structure in portion is less than 1.0m.
6. the construction tool according to claim 1 for hole making by vibration, it is characterised in that: the vibration hammer is hydraulic vibration
Dynamic hammer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821226961.4U CN208815523U (en) | 2018-08-01 | 2018-08-01 | A kind of construction tool for hole making by vibration |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821226961.4U CN208815523U (en) | 2018-08-01 | 2018-08-01 | A kind of construction tool for hole making by vibration |
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| CN208815523U true CN208815523U (en) | 2019-05-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024592A (en) * | 2018-08-01 | 2018-12-18 | 广州市第三市政工程有限公司 | A kind of construction tool and construction method for hole making by vibration |
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2018
- 2018-08-01 CN CN201821226961.4U patent/CN208815523U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024592A (en) * | 2018-08-01 | 2018-12-18 | 广州市第三市政工程有限公司 | A kind of construction tool and construction method for hole making by vibration |
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