CN209339143U - A kind of concrete pipe pile construction equipment - Google Patents
A kind of concrete pipe pile construction equipment Download PDFInfo
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- CN209339143U CN209339143U CN201821723645.8U CN201821723645U CN209339143U CN 209339143 U CN209339143 U CN 209339143U CN 201821723645 U CN201821723645 U CN 201821723645U CN 209339143 U CN209339143 U CN 209339143U
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Abstract
A kind of concrete pipe pile construction equipment, telescopic rod one end in hydraulic system are installed in the sliding seat of mobile support saddle.The fixing seat of mobile support saddle is installed on the fuselage setting position of static press piling device.It is installed with support stand vertically on the sliding seat upper surface of mobile support saddle, fixed pulley is installed in the upper end of support stand, the pedestal of hoist engine is fixedly mounted in sliding seat, and the end of wirerope is fixed on the shell of Auger drilling power head on hoist engine around fixed pulley.The power output shaft of Auger drilling power head is fixedly connected with the upper end of drilling rod, and the upper end of spiral drill is fixedly connected with the lower end of drilling rod.Drilling tool casing is set on the outside of spiral drill, and the outer wall of drilling tool casing is fixed in support stand by connecting plate.The utility model, which solves open concrete tubular pile, can not be applied to the place that bearing course at pile end or more has pan soil interlayer, considerably increase its application range.
Description
Technical field
The utility model relates to Architectural Equipment and technical field of construction, specifically a kind of concrete pipe pile construction equipment.
Background technique
Concrete tubular pile is widely used in building field, have pile quality is easily-controllable, intensity is big, construction is fast, noise is low,
Pollute the advantages that small, bearing capacity is high.Tubular pole is suitable for engineering foundation stake or the support pile of base pit engineering etc..Tubular pole pile sinking is mainly adopted
With static(al) plunging or hammering penetration method.All kinds of weak soils, plain fill, plastic state cohesive soil, silt, loosely and slightly can be passed through
Close sand, into hard plastic or hardened condition cohesive soil, in it is close and in the close above sand, gravelly soil, strong-weathered rock and middle weathering
Ultimate soft rock certain depth.But penetratinghardpan or entrance hard stratum are that it is difficult to realize more deeply, although having to go deep into pan soil
Layer and matched pile top, but by its cost and complex geologic conditions are influenced, open-end pipe pile is mostly used in engineering, construction equipment
Predominantly static pressure or Driven Piles machine.Drawing bore method is taken in order to solve the problems, such as that tubular pole can not penetrate hard interbedded layer in some engineerings,
First use drilling machine pore-forming at stake position, then in the method for drawing hole site pile sinking, this method the disadvantage is that: first, this side
Method is first to be drilled by drilling machine in stake position, and drilling machine is removed after pore-forming, and stake machine pile sinking in place again, process is tedious, be related to construction equipment it is more,
Speed is slow；Second, pilot hole is more to waiting period length, interference between piling, easily causes collapse hole；Third, the structure of soil around pile after collapse hole
Destruction is very big, generates adverse effect to pile side friction.Therefore, concrete tubular pile is substantially at present in weak soil or cohesive soil
Area uses, when the hard interbedded layer of sand class is also distributed with other than weak soil, cohesive soil or silt more than bearing course at pile end, base
Plinth will not select concrete tubular pile pile-type when designing substantially.In conclusion although there are many concrete tubular pile own advantages, at present
Construction equipment and technique significantly limit the application range of concrete tubular pile.
Utility model content
The purpose of the utility model is to provide a kind of concrete pipe pile construction equipment.Solves open concrete tubular pile pile sinking
It is difficult to the problem of passing through hard interbedded layer in the process.
The scheme that the utility model uses is:
A kind of concrete pipe pile construction equipment, including static press piling device and pipe inside spin drilling apparatus.Static press piling dress
It sets to match to reassembly by hoisting device, fuselage, pile pressing device and counter-force and constitute.Above-mentioned static press piling device is known technology.It is special
Sign is:
Pipe inside spin drilling apparatus, including drilling rod, Auger drilling power head, spiral drill, drilling tool casing, hydraulic system,
Hoist engine and mobile support saddle.Hydraulic system, Auger drilling power head, mobile support saddle are known technology.Mobile support saddle includes fixing
Seat and sliding seat, sliding seat can be moved forward and backward along fixing seat.Telescopic rod one end in hydraulic system is installed in mobile support saddle
In sliding seat, it can be moved forward and backward by its extension and contraction control sliding seat.The fixing seat of mobile support saddle is installed on static press piling
On the fuselage setting position of device.It is installed with support stand vertically on the sliding seat upper surface of mobile support saddle, in support stand
Upper end be installed with fixed pulley, the pedestal of hoist engine is fixedly mounted in sliding seat, and the end of wirerope is on hoist engine around fixed
Pulley is fixed on the shell of Auger drilling power head.The power output shaft of Auger drilling power head and the upper end of drilling rod are solid
Fixed connection, the upper end of spiral drill is fixedly connected with the lower end of drilling rod.Drilling tool casing is hollow cylinder shaped, and drilling tool casing is arranged
On the outside of spiral drill, drilling tool lower movement in the vertical direction is limited, prevents drilling tool from boring inclined.The outer wall of drilling tool casing passes through connection
Plate is fixed in support stand.By the back-and-forth motion of sliding seat on mobile support saddle, drives support stand to be moved forward and backward, realize and bore
Head Forward alignment pipe pile center or retrogressing are packed up.
A kind of concrete pipe pile construction technique, which is characterized in that include the following steps:
The first step, concrete pipe pile construction equipment are mobile in place；
Second step, handling concrete tubular pile align piles position, the work of static press piling device carry out piling；
Third step, piling to hard cohesive soil, sand or gravel layer is this kind of stops piling when being difficult to the hard stratum passed through；
4th step controls the telescopic rod elongation of hydraulic system, moves sliding seat forward, spiral drill alignment pipe pile center；
5th step puts wirerope by hoist engine and extends downwardly into tubular pole hollow tube by Auger drilling power head and spiral drill
It is interior until reach hard stratum；
6th step, start Auger drilling power head, drive spiral drill carry out Auger drilling downwards, when drill hard stratum or
Drilling hard stratum stops boring and receives rope hoisting drilling tool by hoist engine when reaching projected depth, by the hard of spiral drill blade position
Soil zone goes out, and emptying aperture is drilled out in hard stratum；
7th step, starting static press piling device continue piling, and tubular pole can be pressed into hard stratum until penetrating pan soil interlayer, or
Indentation hard stratum reaches the depth of design requirement.
Hard cohesive soil, sand or this kind of pan soil for being difficult to pass through of gravel layer are encountered in open concrete tubular pile pile driving process
When interlayer, starting Auger drilling device carries out downwards Auger drilling in tubular pole hollow tube, when being drilled into the stake end face just in piling
Brill is mentioned when following certain depth, this depth can according to the great soil group of hard interbedded layer not, the factors scene such as thickness determine, mechanism be by
Pipe inside spin drilling destroys the original state structure of tube core lower part hard stratum and is taken out of the pan soil at helical blade position by mentioning brill, into
And one and the comparable emptying aperture of tube core diameter are formed under pipe pile end, the stress of emptying aperture surrounding soil is released, pore water
Pressure dissipation, static press piling device carries out piling at this time, originally in pile pipe wall pan soil below can collapse or quickly be squeezed into
Between in emptying aperture, tubular pole is able to indentation pan soil interlayer, repeats above step until tubular pole penetrates pan soil interlayer, or reaches into supporting course
To design requirement depth.
Design principle
There are many concrete tubular pile advantage, but one as prefabricated pile must solve the problems, such as, are exactly piling construction, coagulation
Although native tubular pole has hollow tube core, but its pile driving process is pressed by soil compaction, even if therefore big again for hard stratum pile driving pressure
Also a root canal pile is made it difficult for squeeze into wherein.And Auger drilling method is a kind of non-soil compaction hole forming method, for being difficult to the pan soil squeezed into
Layer, it can be pierced by spiral way, recycle helical blade all to take the soil in hole out of, pore-forming effect is good.With with
The spiral drill that tubular pole specification matches drills out of tubular pole hollow tube, can pierce tubular pole depended on pressure be difficult to be pressed into it is hard
Soil layer forms an emptying aperture after pore-forming, while destroying the original state structure of local hard stratum under tubular pole, release emptying aperture surrounding soil
Stress and pore water pressure, at this moment static press piling device, which is not required to too big pressure, can also be pressed into tubular pole in hard stratum.
The advantages of the utility model, feature was:
1, the utility model solve open concrete tubular pile can not be applied to bearing course at pile end more than have pan soil interlayer
Place considerably increases its application range.
2, solve the problems, such as that open concrete tubular pile stake end enters bearing stratum depth deficiency.
3, it reduces and matches heavy load needed for counter force system, improve equipment conveying and construction efficiency, improve safety.
4, collapse hole, guarantee pile side friction do not play a role effectively the soil body on the outside of tubular pile body in pile driving process, improve stake
Bearing capacity.
Detailed description of the invention
Fig. 1 is the equipment schematic diagram of utility model.
Fig. 2 is pipe inside spin drilling apparatus schematic diagram.
Fig. 3 is mobile support saddle sectional view.
Fig. 4 is that pipe inside spin creeps into cross-sectional view.
Appended drawing reference: fuselage 1, hoisting device 2, pile pressing device 3, pipe inside spin drilling apparatus 4, counter-force counterweight 5, concrete
Tubular pole 6, fixed pulley 7, support stand 8, hydraulic system 9, mobile support saddle 10, hoist engine 11, wirerope 12, Auger drilling power head
13, drilling rod 14, spiral drill 15, drilling tool casing 16, roll shaft 17, fixing seat 18, sliding seat 19.
Specific embodiment
A kind of concrete pipe pile construction equipment, including static press piling device and pipe inside spin drilling apparatus 4.Static press piling dress
It sets and is made of the assembly of hoisting device 2, fuselage 1, pile pressing device 3 and counter-force counterweight 5.Above-mentioned static press piling device is known technology.
It is characterized by:
Pipe inside spin drilling apparatus 4, including drilling rod 14, Auger drilling power head 13, spiral drill 15, drilling tool casing 16,
Hydraulic system 9, hoist engine 11 and mobile support saddle 10.Hydraulic system 9, Auger drilling power head 13, mobile support saddle 10 are known skill
Art.Mobile support saddle 10 includes fixing seat 18 and sliding seat 19, and sliding seat 19 can be moved forward and backward along fixing seat 18.Hydraulic system 9
On telescopic rod one end be installed in the sliding seat 19 of mobile support saddle 10, can be by being moved before and after its extension and contraction control sliding seat 19
It is dynamic.The fixing seat 18 of mobile support saddle 10 is installed on 1 setting position of fuselage of static press piling device.In mobile support saddle 10
Support stand 8 is installed on 19 upper surface of sliding seat vertically, is installed with fixed pulley 7, hoist engine 11 in the upper end of support stand 8
Pedestal be fixedly mounted in sliding seat 19, the end of wirerope 12 is fixed at spiral around fixed pulley 7 on hoist engine 11
On the shell for creeping into power head 13.The power output shaft of Auger drilling power head 13 is fixedly connected with the upper end of drilling rod 14, spiral
The upper end of drilling tool 15 is fixedly connected with the lower end of drilling rod 14.Drilling tool casing 16 is set in 15 outside of spiral drill, drilling tool casing 16
Outer wall by connecting plate be fixed on support stand 8 on.
A kind of concrete pipe pile construction technique, which is characterized in that include the following steps:
The first step, concrete pipe pile construction equipment are mobile in place；
Second step, handling concrete tubular pile align piles position, the work of static press piling device carry out piling；
Third step, piling to hard cohesive soil, sand or gravel layer is this kind of stops piling when being difficult to the hard stratum passed through；
4th step controls the telescopic rod elongation of hydraulic system, moves sliding seat forward, spiral drill alignment pipe pile center；
5th step puts wirerope by hoist engine and extends downwardly into tubular pole hollow tube by Auger drilling power head and spiral drill
It is interior until reach hard stratum；
6th step, start Auger drilling power head, drive spiral drill carry out Auger drilling downwards, when drill hard stratum or
Drilling hard stratum stops boring and receives rope hoisting drilling tool by hoist engine when reaching projected depth, by the hard of spiral drill blade position
Soil zone goes out, and emptying aperture is drilled out in hard stratum；
7th step, starting static press piling device continue piling, and tubular pole can be pressed into hard stratum until penetrating pan soil interlayer, or
Indentation hard stratum reaches the depth of design requirement.
Long spire drilling tool outer blade diameter see the table below 1, the pan soil that drilling tool and run of steel need tubular pole to penetrate according to engineering ground
The buried depth and thickness of layer are equipped with, and guarantee can penetratinghardpan.
Table 1
Case study on implementation:
1, project profile
Typical project geological conditions and rock and soil properties such as the following table 2 of certain building engi-neering site, type of foundation is pipe of concrete
Pile foundation is designed as Piles for Friction Piles, rely primarily on soil around pile side friction bear stake top vertical load, 12 meters of designing pile length, stake
Top mark is -1.5 meters high, -13.5 meters of buried depth of stake end, and bearing course at pile end is 7. silty clay layer.Pile-type is PHC 500AB 100-12
Prestressed concrete pipe pile does not set pile top using static pressure method pile sinking.
Table 2
2, pile foundation construction technique
1. static pile press is run at stake position, align piles position；
2. slinging tubular pole dropping place after stake machine is in place；
3. static press piling meets 5. coarse sands layer at stake side pressure to 6.5 meters of buried depths, it is difficult to continue to be pressed into；
4. selecting the spiral drill of outer blade diameter d=270mm, pipe inside spin drilling apparatus is run, augers is aligned
Tubular pole center, is crept into downwards, mentions 2 meters or so of brill after penetrating 5. coarse sands layer；
5. continuing piling, pile pipe wall coarse sand below can collapse or quickly be squeezed into central bore, and tubular pole is pressed into
In sandy soils, it is difficult to continue to be pressed into again as being pressed into after certain depth, then starts pipe inside spin drilling apparatus and creep into, mention still further below
It bores.It repeats this and the 4., 5. walks process, until tubular pole penetrates 5. coarse sands layer；
6. after tubular pole penetrates 5. coarse sands layer, pipe inside spin drilling apparatus can be packed up, continue static press piling to design requirement
Stake it is deep.
Claims (1)
1. a kind of concrete pipe pile construction equipment, including static press piling device and pipe inside spin drilling apparatus (4)；Static press piling dress
It sets and is made of the assembly of hoisting device (2), fuselage (1), pile pressing device (3) and counter-force counterweight (5)；It is characterized by:
Pipe inside spin drilling apparatus (4), including drilling rod (14), Auger drilling power head (13), spiral drill (15), drilling tool casing
(16), hydraulic system (9), hoist engine (11) and mobile support saddle (10)；Mobile support saddle (10) includes fixing seat (18) and sliding seat
(19), sliding seat (19) can be moved forward and backward along fixing seat (18)；Telescopic rod one end in hydraulic system (9) is installed in mobile branch
In the sliding seat (19) of seat (10), it can be moved forward and backward by its extension and contraction control sliding seat (19)；The fixation of mobile support saddle (10)
Seat (18) is installed on fuselage (1) setting position of static press piling device；In the sliding seat (19) of mobile support saddle (10)
Support stand (8) is installed on end face vertically, is installed with fixed pulley (7) in the upper end of support stand (8), the bottom of hoist engine (11)
Seat is fixedly mounted on sliding seat (19), and the end of wirerope (12) is fixed on hoist engine (11) around fixed pulley (7)
On the shell of Auger drilling power head (13)；The power output shaft of Auger drilling power head (13) and the upper end of drilling rod (14) are fixed
Connection, the upper end of spiral drill (15) is fixedly connected with the lower end of drilling rod (14)；Drilling tool casing (16) is set in spiral drill
(15) outer wall in outside, drilling tool casing (16) is fixed in support stand (8) by connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821723645.8U CN209339143U (en) | 2018-10-24 | 2018-10-24 | A kind of concrete pipe pile construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821723645.8U CN209339143U (en) | 2018-10-24 | 2018-10-24 | A kind of concrete pipe pile construction equipment |
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| Publication Number | Publication Date |
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| CN209339143U true CN209339143U (en) | 2019-09-03 |
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ID=67745769
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821723645.8U Active CN209339143U (en) | 2018-10-24 | 2018-10-24 | A kind of concrete pipe pile construction equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN209339143U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339044A (en) * | 2018-10-24 | 2019-02-15 | 沈阳市勘察测绘研究院 | A kind of concrete pipe pile construction equipment |
| CN111058439A (en) * | 2019-12-23 | 2020-04-24 | 青岛森建基础工程有限公司 | Construction method of immersed tube rock-socketed cast-in-place pile |
-
2018
- 2018-10-24 CN CN201821723645.8U patent/CN209339143U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339044A (en) * | 2018-10-24 | 2019-02-15 | 沈阳市勘察测绘研究院 | A kind of concrete pipe pile construction equipment |
| CN111058439A (en) * | 2019-12-23 | 2020-04-24 | 青岛森建基础工程有限公司 | Construction method of immersed tube rock-socketed cast-in-place pile |
| CN111058439B (en) * | 2019-12-23 | 2022-03-08 | 青岛森建基础工程有限公司 | Construction method of immersed tube rock-socketed cast-in-place pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200313 Address after: 110000 1101, No.1, nansanhao street, Heping District, Shenyang, Liaoning Province Patentee after: Shenyang survey and Mapping Research Institute Co., Ltd Address before: 110000, 1 Heping San street, Heping District, Liaoning, Shenyang Patentee before: SHENYANG SURVEY AND MAPPING Research Institute |
|
| TR01 | Transfer of patent right |