CN102628272A - Apparatus for separating construction component from pile foundation - Google Patents
Apparatus for separating construction component from pile foundation Download PDFInfo
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- CN102628272A CN102628272A CN2012101195510A CN201210119551A CN102628272A CN 102628272 A CN102628272 A CN 102628272A CN 2012101195510 A CN2012101195510 A CN 2012101195510A CN 201210119551 A CN201210119551 A CN 201210119551A CN 102628272 A CN102628272 A CN 102628272A
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- telescopic hydraulic
- pile foundation
- telescopic
- jacking system
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Abstract
The invention discloses an apparatus for separating a construction component from a pile foundation, comprising a vibratory hammer mechanism, a hydraulic jacking system which provides power for the vibratory hammer mechanism to rise upward, a hydraulic station which controls the opening and shutting of an oil path of the hydraulic jacking system, and a hydraulic clamp which is used for clamping the construction component. The hydraulic jacking system includes a telescopic hydraulic cylinder group which comprises at least two pairs of telescopic hydraulic cylinders, wherein the two telescopic hydraulic cylinders in each pair are disposed longitudinally and piston rods of the two telescopic hydraulic cylinders abut against each other. The telescopic hydraulic cylinder group arranged in the apparatus provided by the invention comprises at least two pairs of telescopic hydraulic cylinders, wherein the two telescopic hydraulic cylinders are longitudinally arranged and abut against each other in each pair. The two telescopic hydraulic cylinders run separately and work together to enable the vibratory hammer mechanism to drive the hydraulic clamp which is used for clamping the construction component to rise upward, completing the separation of the construction component from the pile foundation smoothly and rapidly. The construction component pulled out by adopting the apparatus of the invention can be used repeatedly, which greatly saves construction cost.
Description
Technical field
The present invention relates to the bridge construction technical field, relate in particular to a kind of pile foundation construction components apart device.
Background technology
The pile foundation construction of bridge is an important link in the bridge construction work progress.Divide by job practices, pile foundation is divided into bored pile, driven pile, silent piling, tube-sinking cast-in-situ pile, explosion expanded piling, hollow tube pile.Wherein, in the pile foundation construction method of drill-pouring, prior art generally will use the steel casing as the construction additional device, and the steel casing generally designs embedded depth and is about 10m～60m.During construction, adopt vibrating hammer to squeeze into the steel casing usually and use behind the soil layer soil large-scale auger and large-scale punching machine to carry out construction pore-creating, carry out scarfing cinder behind the pore-forming in the zone that steel casing sidewall surrounds, after scarfing cinder is accomplished, the disposable cement concrete that pours into.Prior art receives the restriction of self construction party skill, and cement concrete can't be extracted the steel casing after pouring into a hole, and then can not realize that the turnover of steel casing reuses.And if extract the steel casing by force, then can influence construction quality again, so just make that in each pile foundation construction, the steel casing all is retained in the pile foundation, a steel casing can only use once, construction cost is high.
Summary of the invention
The application's applicant has proposed a kind of pile foundation construction method; Behind pore-forming, in the stake hole, put into isolator, then cast; Behind the casting complete part in the isolator is extracted; Again the steel casing is extracted, so just made steel casing and construction accessory part (part of isolator) to be pulled out, and then recycling.
In view of this, the object of the present invention is to provide a kind of pile foundation construction components apart device, can steel casing and other construction accessory parts be extracted smoothly, reduce construction cost.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of pile foundation construction components apart device; The involving vibrations hammer mechanism, upwards rise the hydraulic jacking system that power is provided, the Hydraulic Station that control hydraulic jacking system oil circuit opens and closes and the hydraulic pressure folder that is used to clamp the construction assembly for vibrating hammer mechanism; Said hydraulic jacking system comprises telescopic hydraulic jack group; Said telescopic hydraulic jack group comprises at least two pairs of telescopic hydraulic jacks; In every pair of telescopic hydraulic jack, two telescopic hydraulic jacks are presented down and are provided with and the piston rod of two telescopic hydraulic jacks is connected to together.
Preferably, said hydraulic jacking system also comprises the hydraulic pressure holder, and in every pair of telescopic hydraulic jack, one of them is connected with the hydraulic pressure holder, and another is connected with vibrating hammer mechanism.
Preferably, said vibrating hammer mechanism involving vibrations hammer and be positioned at the vibrating hammer bearing of vibrating hammer below.
Preferably, said vibrating hammer mechanism involving vibrations hammer and be positioned at the vibrating hammer bearing of vibrating hammer below, another telescopic hydraulic jack is connected with said vibrating hammer bearing.
Preferably, said hydraulic jacking system also comprises the several pistons oil cylinder, is connected with said hydraulic pressure holder.
Preferably, the pipeline between hydraulic jacking system and the Hydraulic Station is provided with hand-operated valve.
Compared with prior art, pile foundation construction components apart device of the present invention can be applied in the pile foundation construction, after construction is accomplished, steel casing and other construction assemblies is extracted smoothly, separates with pile foundation; The telescopic hydraulic jack group that is provided with is owing to comprise at least two pairs of telescopic hydraulic jacks of two butts up and down; These two each self-operatings of telescopic hydraulic jack; Make vibrating hammer mechanism drive clamp the upwards jacking of hydraulic pressure folder of construction assembly jointly, accomplish separating of construction assembly and pile foundation smoothly, quickly, make the construction assembly to be pulled out; Reuse, practiced thrift construction cost greatly.
Description of drawings
Fig. 1 is the structural representation of pile foundation construction components apart device one preferred embodiment of the present invention;
Fig. 2 be the pile foundation construction method of construction components apart device in the application drawing 1 behind pore-forming, the steel casing concerns sketch map with the position in stake hole;
Fig. 3 puts into the structural representation of isolator for Fig. 2 king-pile hole;
Fig. 4 is the structural representation of isolator among Fig. 3;
Fig. 5 is the sketch map at B place among Fig. 4;
Fig. 6 is the vertical view of isolator among Fig. 4;
Fig. 7 is the structural representation of fixture among Fig. 6;
Fig. 8 is the isolator scheme of installation;
Fig. 9 is the sketch map behind the fluid concrete in the stake hole;
Figure 10 is the sketch map that pulls out second for the plate body and the 3rd plate body;
Figure 11 is a sketch map of extracting stake hole behind second plate body and the 3rd plate body;
Figure 12 is the sketch map in the vibration steel casing periphery soil before the pull steel protective-cylinder;
Figure 13 is the vertical view (not containing pile foundation) of Figure 12;
Figure 14 is the sketch map of pull steel protective-cylinder;
Figure 15 is the vertical view (not containing pile foundation) of Figure 14.
The specific embodiment
In order to make those skilled in the art understand technical scheme of the present invention better, combine accompanying drawing that the present invention is done further detailed description through concrete embodiment below.
Referring to Fig. 1, the pile foundation construction components apart device involving vibrations hammer mechanism in the present embodiment, hydraulic pressure folder, hydraulic jacking system, Hydraulic Station.
Wherein, vibrating hammer mechanism involving vibrations hammer 14 and the vibrating hammer bearing 15 that is positioned at the vibrating hammer below.Hydraulic jacking system comprises telescopic hydraulic jack group 16 and piston oil-cylinder 17, hydraulic pressure holder 18.Telescopic hydraulic jack group 16 comprises 8 telescopic hydraulic jacks, and wherein four telescopic hydraulic jack 16a and four piston oil-cylinders 17 are installed in respectively on the hydraulic pressure holder 18, and hydraulic pressure holder 18 is arranged on the pile foundation top.The out-of-flatness of pile foundation top, four piston oil-cylinders of setting, the length through adjustment piston rod separately stretches out makes the hydraulic pressure holder be horizontal.Vibrating hammer 14 and bearing 15 thereof are arranged on the hydraulic jacking system; Bearing 15 is connected with four telescopic hydraulic jack 16b of telescopic hydraulic jack; Telescopic hydraulic jack 16a and telescopic hydraulic jack 16b are the form that mirror image connects, and promptly are the set-up mode of symmetrical butt along a certain plane.The hydraulic pressure folder 10 that below bearing, is provided with is used for clamping the steel casing.
Telescopic hydraulic jack and piston oil-cylinder are connected with a Hydraulic Station 20 through hydraulic oil pipe group 19 respectively, and hydraulic oil pipe group 19 comprises a plurality of oil pipes, and each oil pipe all is provided with a hand-operated valve 21.
The pile foundation construction method that utilizes the construction components apart device of present embodiment to carry out comprises the steps:
1, the formation of pile foundation
1) pile hole
On ground to be constructed; Adopt vibrating hammer to the steel casing application of force; It is squeezed into use behind the soil layer large-scale auger and large-scale punching machine to construct, form a stake hole 2, referring to Fig. 2 in the zone that steel casing sidewall surrounds; Steel casing 1 stretches in the ground, and the soil in the steel casing outside is followed successively by mucky soil A1, powder fine sand A2, clay A3 from top to bottom; The steel casing 1 inboard loess retaining wall 3 that forms;
2) put into isolator
Behind the pile foundation pore-forming, put into isolator, isolator cooperates sketch map referring to Fig. 3 with the stake hole.Referring to Fig. 4, Fig. 5, Fig. 6, this isolator is the cylinder bodily form of hollow, and its sidewall is surrounded by a plurality of splits; After each split impales, inboard link together through clamping ring 5, along each split vertically; Can be according to actual conditions; A plurality of clamping rings are set, and clamping ring 5 is the multistage body, and each section connects through automatic-separation mechanism 6.Wherein, referring to Fig. 5, Fig. 6, each split comprises first plate body 41, second plate body 42, the 3rd plate body 43 from inside to outside successively, and for weight reduction, practice thrift cost, the 3rd plate body 43 is spliced by plastic plate 43a and steel plate 43b.Wherein, first plate body can adopt plank or plastic plate to process; Second plate body adopts steel plate to process.Link together through easily broken screw 44 between first plate body and second plate body.Link together through the steel screw between second plate body and the 3rd plate body.
Referring to Fig. 7; This automatic-separation mechanism 6 is a connecting element, and this connecting element is pegged graft by two assemblies 61,62 and formed, and two assemblies 61,62 in the automatic-separation mechanism are divided on the adjacent different clamping ring segment body; Wherein assembly 61 is provided with groove; Assembly 62 is provided with the convexity of groove fit, and this convexity stretches in the groove, then connects through easily broken screw 63.
Above easily broken screw is meant the stressed back screw of fracture easily, can adopt the low material of intensity to process, like timber, brittle plastic etc.
Referring to Fig. 8, in practice of construction, because the stake hole depth is generally darker; So the isolator that is provided with is also longer; For the ease of producing, transporting, isolator generally longitudinally is divided into more piece, is followed successively by top joint C1, standard knot C2, bottom joint C3 from top to bottom; Wherein, standard knot can be provided with a plurality of according to actual needs.The bottom of top joint is connected with the upper end of standard knot; The bottom of standard knot is connected with the upper end of bottom joint, and for the ease of connecting, the top is saved in the bottom; The lower end of first plate body and second plate body grows one section than the lower end of the 3rd plate body, is used for being connected with standard knot; The upper end of standard knot and bottom; Correspondingly, the end of the 3rd plate body grows one section than the end of first plate body and second plate body, in the upper end of bottom joint; The lower end of first plate body and second plate body grows one section than the lower end of the 3rd plate body, is used for being connected with the bottom of standard knot; Top joint and standard knot and bottom joint can couple together like this.During installation, be erected at crossbeam 7 and sliding seat 8 on the aperture in a hole earlier, put into a hole to the bottom joint by crossbeam and sliding seat then; And the 3rd plate body of the top protrusion of bottom joint is connected with second plate body of standard knot bottom protrusion, save bottom accomplishing and the installation of standard knot after, then move down; Carry out being connected of top joint and standard knot again; Second plate body of standard knot top protrusion is connected with the 3rd plate body of joint bottom, top protrusion, promptly accomplishes the installation of standard knot and top joint, then the barrier assembly integral body that connects is moved down; The bottom joint is contacted with the bottom in stake hole, promptly accomplish the installation of isolator in the stake hole.If standard knot itself is longer, process by several merogenesis, then need each joint be linked together in installation process.
3) cast forms pile foundation
Putting into the stake hole casting cement concrete of isolator, to form pile foundation, referring to Fig. 9; Wherein, the peripheral diameter of isolator should be less than just putting into about the about 50mm of stake bore dia, during cement concrete pours into; The assembly 61 and the assembly 62 of the automatic-separation mechanism that on clamping ring, is provided with receives the cement concrete impact and is separation trend; In separation process, drive easily broken broken screw, final assembly 61 thoroughly separates with assembly 62, and feasible each segment body that passes through the clamping ring of assembly 61,62 connections separates; Each split of the isolator that drive is attached thereto is moved to the position of loess retaining wall; Space between the 3rd plate body and the loess retaining wall is eliminated, and the 3rd plate body and loess retaining wall are close to, and reach the Design of pile foundation requirement.
2, extract second plate body and the 3rd plate body
Referring to Figure 10, Figure 11; At the pile foundation cement concrete after the assay was approved; Adopt loop wheel machine 12 to hang tight vibrating hammer 11 and hydraulic pressure folder 10; The 3rd plate body protrudes in a pile foundation part, and hydraulic pressure folder 10 can be clamped this ledge of the 3rd plate body, and the Vibration on Start-up hammer utilizes underground water to make lubricating system and extracts the 3rd plate body in the isolator split and second plate body that is attached thereto.The easily broken screw that in withdrawal process, connects second plate body and first plate body receives automatic disconnection behind the pulling force, and first plate body and the clamping ring and the automatic-separation mechanism that are arranged on first plate body inboard are retained on the pile foundation.Remaining second plate body and the 3rd school body can be extracted as stated above, can reuse.
3, extract the steel casing
1) loosens the soil
Referring to Figure 12,13, after extracting second plate body and the 3rd plate body, utilize hydraulic pressure folder 10 to clamp Larsen steel plate 13, through the vibration effect of vibrating hammer 11, the Larsen steel plate is shaken into 12-16 rice in steel casing circumferential perimeter then, so that the peripheral earth pine that shakes;
2) pull steel protective-cylinder
Referring to Figure 14, Figure 15 during use, starts hydraulic pressure folder, locking steel casing, adopts large-scale loop wheel machine to hang tight vibrating hammer, opening power, starts Hydraulic Station, opens hand-operated valve c, the telescopic hydraulic jack 16a jacking first segment that makes progress, and top lifting height is 1.8M.First segment is opened hand-operated valve f after accomplishing, the downward jacking first segment of telescopic hydraulic jack 16b, and top lifting height is 1.8M.Through telescopic hydraulic jack 16a, 16b two joint jackings, the steel casing is accomplished top lifting height 3.6M; Open hand-operated valve c again, telescopic hydraulic jack 16a jacking second joint that makes progress, top lifting height is 1.6M, after second joint is accomplished, opens hand-operated valve f, the downward jacking of telescopic hydraulic jack 16b, the second joint top lifting height is 1.6M.After the second joint jacking was accomplished, through twice jacking, the own top lifting height of steel casing was to 6.8M, and other joint numbers are also accomplished by the above-mentioned steps operation, repeat no more here.Through telescopic hydraulic jack 16a, each four joint jacking of 16b, the total top lifting height of steel casing is pressed hand-operated valve d, e to 12M; Telescopic hydraulic jack oil cylinder 16a, 16b are returned; After first section work is accomplished, can adopt oxygen cutting or other equipment that the steel casing is carried out cutting section, the steel casing of cutting-out can adopt loop wheel machine to transport; First section work is accomplished, and residue steel casing can be accomplished by the above-mentioned steps section construction.
In the present embodiment, in order to extract the turnover use, because the space in the steel casing is less, the degree of depth is darker, so adopt telescopic hydraulic jack being embedded in underground steel casing.Telescopic hydraulic jack is divided into four work joints, and the first segment effective travel is 1.8M, and the second joint effective travel is 1.6M, and the 3rd joint effective travel is 1.4M, and the 4th joint effective travel is 1.2M, and the total kilometres of each telescopic hydraulic jack are 6M.Because it is underground darker that the steel casing is embedded in, sandy soil layer frictional resistance is bigger, in using telescopic hydraulic jack jacking process; Adopt the mode of merogenesis jacking, the first segment of telescopic hydraulic jack is a basic pressure, and the pressure of the relative first segment of pressure of second joint decreases; Why in use wanting merogenesis to carry out jacking, is because after the work of jacking first segment was accomplished, the steel casing that is embedded in the sandy soil layer also reduced relatively; Frictional resistance also reduces relatively; Telescopic hydraulic jack adopts the merogenesis jacking, and steel casing frictional resistance constantly reduces, and the steel casing is also just extracted naturally smoothly.
More than the present invention has been carried out detailed introduction, use concrete example in the literary composition principle of the present invention and embodiment set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (6)
1. pile foundation construction components apart device; It is characterized in that; The involving vibrations hammer mechanism, upwards rise the hydraulic jacking system that power is provided, the Hydraulic Station that control hydraulic jacking system oil circuit opens and closes and the hydraulic pressure folder that is used to clamp the construction assembly for vibrating hammer mechanism; Said hydraulic jacking system comprises telescopic hydraulic jack group; Said telescopic hydraulic jack group comprises at least two pairs of telescopic hydraulic jacks, and in every pair of telescopic hydraulic jack, two telescopic hydraulic jacks are presented down and are provided with and the piston rod of two telescopic hydraulic jacks is connected to together.
2. pile foundation construction components apart device as claimed in claim 1 is characterized in that said hydraulic jacking system also comprises the hydraulic pressure holder, and in every pair of telescopic hydraulic jack, one of them is connected with the hydraulic pressure holder, and another is connected with vibrating hammer mechanism.
3. pile foundation construction components apart device as claimed in claim 1 is characterized in that, said vibrating hammer mechanism involving vibrations hammer and be positioned at the vibrating hammer bearing of vibrating hammer below.
4. pile foundation construction components apart device as claimed in claim 2 is characterized in that, said vibrating hammer mechanism involving vibrations hammer and be positioned at the vibrating hammer bearing of vibrating hammer below, and another telescopic hydraulic jack is connected with said vibrating hammer bearing.
5. pile foundation construction components apart device as claimed in claim 2 is characterized in that said hydraulic jacking system also comprises the several pistons oil cylinder, is connected with said hydraulic pressure holder.
6. pile foundation construction components apart device as claimed in claim 1 is characterized in that the pipeline between hydraulic jacking system and the Hydraulic Station is provided with hand-operated valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210119551.0A CN102628272B (en) | 2012-04-20 | 2012-04-20 | Apparatus for separating construction component from pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210119551.0A CN102628272B (en) | 2012-04-20 | 2012-04-20 | Apparatus for separating construction component from pile foundation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102628272A true CN102628272A (en) | 2012-08-08 |
| CN102628272B CN102628272B (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210119551.0A Expired - Fee Related CN102628272B (en) | 2012-04-20 | 2012-04-20 | Apparatus for separating construction component from pile foundation |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2307824Y (en) * | 1997-04-28 | 1999-02-17 | 东台工程机械股份有限公司 | Hydraulic pipe drawing device |
| WO1999011871A1 (en) * | 1997-09-04 | 1999-03-11 | Stephen Chelminski | A method system and apparatus for driving and pulling pilings |
| CN2436554Y (en) * | 2000-06-30 | 2001-06-27 | 牧一征 | Vibration placing/removing machine for non-extruding pile wall-protecting pipe |
| WO2003097945A1 (en) * | 2002-05-17 | 2003-11-27 | Raunisto Yrjoe | A device producing hammering |
| CN2654688Y (en) * | 2003-11-27 | 2004-11-10 | 中铁工程机械研究设计院 | High frequency hydraulic vibration pile pulling sinker with pile picker |
| CN2837384Y (en) * | 2005-10-31 | 2006-11-15 | 上海五冶冶金建设有限公司机械化施工分公司 | Hydraulic lifting device |
| CN202577303U (en) * | 2012-04-20 | 2012-12-05 | 肇庆南桂钢模板有限公司 | Separating device for pile foundation construction assembly |
-
2012
- 2012-04-20 CN CN201210119551.0A patent/CN102628272B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2307824Y (en) * | 1997-04-28 | 1999-02-17 | 东台工程机械股份有限公司 | Hydraulic pipe drawing device |
| WO1999011871A1 (en) * | 1997-09-04 | 1999-03-11 | Stephen Chelminski | A method system and apparatus for driving and pulling pilings |
| CN2436554Y (en) * | 2000-06-30 | 2001-06-27 | 牧一征 | Vibration placing/removing machine for non-extruding pile wall-protecting pipe |
| WO2003097945A1 (en) * | 2002-05-17 | 2003-11-27 | Raunisto Yrjoe | A device producing hammering |
| CN2654688Y (en) * | 2003-11-27 | 2004-11-10 | 中铁工程机械研究设计院 | High frequency hydraulic vibration pile pulling sinker with pile picker |
| CN2837384Y (en) * | 2005-10-31 | 2006-11-15 | 上海五冶冶金建设有限公司机械化施工分公司 | Hydraulic lifting device |
| CN202577303U (en) * | 2012-04-20 | 2012-12-05 | 肇庆南桂钢模板有限公司 | Separating device for pile foundation construction assembly |
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| CN102628272B (en) | 2015-02-04 |
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Granted publication date: 20150204 Termination date: 20170420 |