CN204703152U - All-hydraulic static pressure two-tube compound expanded bore pile machine - Google Patents
All-hydraulic static pressure two-tube compound expanded bore pile machine Download PDFInfo
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- CN204703152U CN204703152U CN201520412880.3U CN201520412880U CN204703152U CN 204703152 U CN204703152 U CN 204703152U CN 201520412880 U CN201520412880 U CN 201520412880U CN 204703152 U CN204703152 U CN 204703152U
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Abstract
The utility model discloses a kind of all-hydraulic static pressure two-tube compound expanded bore pile machine, comprise clip pile system and be lifted on the intrasystem compound of clip pile two-tube, described compound is two-tube comprises inner and outer tubes, and described interior pipe box is contained in outer tube, and adopts coupling arrangement to fix on inner and outer pipes top; Described clip pile system can be made up of upper pile clamping box and lower pile clamping box, and upper and lower two cover pile clamping box effective travel 3-5 rice, lower pile clamping box clamping outer tube, upper pile clamping box not only can clamp outer tube but also can clamp interior pipe, and in utilizing, pipe is exerted pressure to be formed and expanded end effect.Or described clip pile system comprises a lower pile clamping box, lower pile clamping box top is provided with the clamp support of a clear height 2 meters, piling stroke is 3-4 rice, clamp support is provided with top pressure transverse beam system, described top pressure transverse beam system just pushes up pipe in pressure on inner pipe, the described top pressure transverse beam system interior pipe of square back-pressure on inner pipe, is formed and expands end effect.The utility model is a kind of friction, noiselessness, free of contamination construction machinery and construction technology.
Description
Technical field
The utility model relates to a kind of all-hydraulic static pressure two-tube compound expanded bore pile machine, belongs to Construction Technology field.
Background technology
Strong rammer vibration compound expanded bore pile is that two-tube compound bottom-enlarging filling pile is vibrated in a kind of hammering, uses diesel hammer as ramming power, in work progress in hammering process, diesel oil is through the atomization of cylinder, and produce outburst energy, soil property is harder, impact capacity is larger, and noise is larger; Soil property is softer, and diesel oil atomization is bad, and black smoke is more, and thus diesel hammer produces strong noise and vibration to job site surrounding enviroment in work progress, and the black smoke also contaminated environment produced.Due to these disadvantages, seriously constrain diesel hammer in old town, resident living area, hospital, the popularization in the area such as school and use.
Utility model content
The utility model technical issues that need to address are just the defect overcoming prior art, provide a kind of all-hydraulic static pressure two-tube compound expanded bore pile machine.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of all-hydraulic static pressure of the utility model two-tube compound expanded bore pile machine, comprise clip pile system and be lifted on the intrasystem compound of clip pile two-tube, described compound is two-tube comprises inner and outer tubes, described interior pipe box is contained in outer tube, interior pipe external diameter is less than more than outer tube diameter 5cm, interior pipe 10-20cm shorter in outer tube, interior pipe upper seal steel plate diameter is greater than outer tube external diameter 2-3cm, and adopts coupling arrangement to fix on inner and outer pipes top; Outer tube thickness of steel pipe must not be less than 2cm.
Described clip pile system is made up of upper pile clamping box and lower pile clamping box, and upper and lower two cover pile clamping box effective travel 3-5 rice, lower pile clamping box clamping outer tube, upper pile clamping box not only can clamp outer tube but also can clamp interior pipe, and in utilizing, pipe is exerted pressure to be formed and expanded end effect.
Or, described clip pile system comprises a lower pile clamping box, lower pile clamping box top is provided with the clamp support of a clear height 2 meters, piling stroke is 3-4 rice, clamp support is provided with top pressure transverse beam system, described top pressure transverse beam system just pushes up pipe in pressure on inner pipe, and the described top pressure transverse beam system interior pipe of square back-pressure on inner pipe, is formed and expand end effect.
The two-tube compound pedestal pile constructing process of a kind of all-hydraulic static pressure of the utility model, two-tubely inside and outside one has been connected and fixed hang in pile clamping box, inside and outside two-tube higher than ground surface soil 0.5 meter time, in pile clamping box, clamping oil cylinder starts to clamp work, outer tube is embraced jail, utilize hydraulic traveling mechanism to adjust stake machine planeness subsequently, by total powerstation and transit two-way rectification inner and outer pipes verticality, guarantee that verticality is within code requirement;
1). open pressure pipe top cylinder system, guarantee inner and outer pipes to be pressed onto design elevation by the height of each stroke 2-4 rice;
2). remove inner and outer pipes top coupling arrangement, utilize random crane or crawler crane that interior pipe is extracted outer tube, pour into 0.25-0.3m within the outer tube
3input material, dropping into material be highly H=2-2.5 rice, drops into and expects to be the stone of particle diameter 15-30cm, concrete block and fragment of brick;
3). interior effective loop wheel machine is put into outer tube and fasten input material, clip pile system works embraces outer tube subsequently, jacking cylinder system starts, outer tube will pull out 1-1.5 rice by designing requirement, stop lift-up device work, releasing grasping system works, clamping oil cylinder is replied inner, simultaneously jacking cylinder system is up walked a stroke about 1.8 meters, reply subsequently to fall bottom piling case and start the second stroke arrival inside top, grasping system work subsequently, clamping oil cylinder clips interior pipe top steel pipe and down walks, until static pressure in, outer steel pipe is synchronously pressed onto absolute altitude at the bottom of former design stake, stake end forms the first time auxiliary material expansion end, secondary batching is carried out subsequently according to designing requirement, feed intake for three times, all-hydraulic static pressure expands the end and expands the end through repeatedly auxiliary material,
4). according to design and test pile result, expand end maximum pressure value in conjunction with last static pressure, reach designing requirement meeting end resistance;
5). extract interior pipe, add 0.2-0.3M3, the slump is the concrete of the C30-C50 of 3-6cm, by that analogy, repeatedly all-hydraulic static pressure expands the end, final hydraulic control indoor static pressure, till when force value meets design requirement, otherwise repeat said procedure, until meet the requirement of design load single pile;
6), extract interior pipe and transfer reinforcing cage: extract interior pipe, settle reinforcing cage, in reinforcing cage upper end, muscle is hung in welding, is connected with interior pipe and reinforcing cage with wire rope, guarantee reinforcing cage within the outer tube in the middle of vertical hanging pipe, to guarantee bottom reinforcing cage in enlarged footing between 0.5-1 rice simultaneously;
7), concrete perfusion pulls out outer tube: pour into concrete immediately after placing reinforcing cage, concrete slump controls between 8-10cm; In utilizing after filling concrete, pipe own wt is pressed in and fills in the outer tube of concrete, guarantees the compactness of concrete, then opens jacking cylinder system and starts tube drawing, until ground 15-25cm extracted by outer tube, cut off steel reinforcement cage hanging steel bar, form a complete expanded bore pile.
Non-Squeezing Soil Pile construction sequence, for increasing the dry step that fetches earth before enforcement soil compaction pile construction method step, adopts the two-tube dry step that fetches earth to be:
In interior pipe bottom, flap valve opening drawing out soil equipment is set, inner and outer pipe superposition is nested together, with diesel hammer interior pipe and outer tube synchronously impacted and bury, the flap valve that fetches earth due to flap valve opening drawing out soil equipment upwards can only close up and can not open downwards, in the process of burying, the outside soil flap valve that will fetch earth upwards squeezes, and soil constantly enters in interior pipe; The inner and outer tubes 4-6m that often buries extracts interior pipe and fetches earth once, and in the process of extracting interior pipe, the grave in interior pipe is lived by the flap valve that fetches earth; After interior pipe pulls away outer tube completely, in hitting downwards, pipe fetches earth end socket steel plate, drives the flap valve that fetches earth downward, and in the flap valve that makes to fetch earth departs from bottom pipe, the soil in interior pipe is freely scattered;
To align interior pipe with geological condition at any time and extract according to stake is long and unload native number of times, fetched earth until expand bottom, reached projected depth.
All-hydraulic static pressure two-tube compound expanded bore pile geological conditions is: silt, flour sand, bearing stratum thickness must not be less than three meters, and bearing stratum earth bearing strength is greater than 16T/m
3static pressure expands end auxiliary material and adopts the rubble of 15-30cm, concrete block or block brick, according to the requirement of designed bearing capacity of single pile, determine to fill quantity and the number of times that static pressure expands end auxiliary material, according to the gross weight of static pressure equipment, select last static pressure oil pressure tabular value to convert and be pressed into static pressure, and align degree of lifting on inner and outer pipe and determine bellout diameter, guarantee that the end resistance that static pressure auxiliary material expands through static pressure at the is end not less than design load, i.e. test pile test value reference value, just can reach the requirement of design bearing capacity; Reinforcing cage is welded with multiple tracks triangle protection muscle.
The utility model patent is the noiselessness, friction, the free of contamination construction that extend on " strong rammer vibration compound expanded bore pile " basis, technique is the process innovation again that two-tube compound bottom-enlarging filling pile is vibrated in hammering, clip pile system is manufactured upper and lower two cover pile clamping boxes by the utility model, effective travel 3-5 rice, bottom pile clamping box clamping outer tube, top pile clamping box not only can clamp outer tube but also can clamp interior pipe, and in utilizing, pipe is exerted pressure to be formed and expanded end effect.Or, utilize the top pressure transverse beam system interior pipe of square back-pressure on inner pipe, formed and expand end effect.
The utility model adopts rubble, concrete block or brickbat static(al) reinforcing pile end bearing stratum, be solve at present in bearing course at pile end there is meagre soft interlayer and bearing stratum moisture content high and affect one of most effective method of bearing capacity of single pile.Adopt the same bearing capacity of single pile of tube pile construction, stake is long, and all about 30-45 rice, overall cost will improve about 40%, adopts this construction technology to want saving construction cost about 20-35% than original bored pile, is a kind of cheap and good-quality new pile-type, new technology.
Accompanying drawing explanation
Fig. 1 is the structural representation that the all-hydraulic static pressure of the utility model two-tube compound expanded bore pile machine adopts top pressure transverse beam system structure.
Fig. 2 is Composite Double tubular structure schematic diagram described in the utility model.
Fig. 3 is the all-hydraulic two-tube compound expanded bore pile double fastener stake box structure schematic diagram of the utility model.
Detailed description of the invention
embodiment 1
A kind of all-hydraulic static pressure two-tube compound expanded bore pile machine, as shown in Figure 1, comprise clip pile system 10 and be lifted on the intrasystem clad pipe 20 of clip pile, as shown in Figure 2, described clad pipe comprises interior pipe 1 and outer tube 2, and described interior pipe box is contained in outer tube, interior pipe external diameter is less than more than outer tube diameter 5cm, interior pipe 10-20cm shorter in outer tube, interior pipe upper seal steel plate diameter is greater than outer tube external diameter 2-3cm, and adopts coupling arrangement 3 to fix on inner and outer pipes top; Outer tube thickness of steel pipe must not be less than 2cm;
As shown in Figure 1, described clip pile system comprises a lower pile clamping box 10, lower pile clamping box top is provided with the clamp support 4 of a clear height 2 meters, piling stroke is 3-4 rice, clamp support is provided with top pressure transverse beam system 5, described top pressure transverse beam system just pushes up pipe in pressure on inner pipe, and the described top pressure transverse beam system interior pipe of square back-pressure on inner pipe, is formed and expand end effect.
embodiment 2
As shown in Figure 3, described clip pile system is made up of upper pile clamping box 30 and lower pile clamping box 10, and upper and lower two cover pile clamping box effective travel 3-5 rice, lower pile clamping box clamping outer tube, upper pile clamping box not only can clamp outer tube but also can clamp interior pipe, and in utilizing, pipe is exerted pressure to be formed and expanded end effect.In Fig. 3,20 is that compound is two-tube, and 10 is lower pile clamping box, and 30 is upper pile clamping box, and 40 is pile clamping box stroke track.
embodiment 3
Interior pipe box portion's (interior pipe external diameter must be less than more than outer tube diameter 5cm) within the outer tube during construction, interior pipe 10-20cm shorter in outer tube, in order to when burying, as the effect of soil plug, prevent underground water from pouring in outer tube, interior pipe upper seal steel plate diameter is greater than outer tube external diameter 2-3cm, and adopts coupling arrangement to fix on inner and outer pipes top.Adopt random crane or outside crawler crane one has been connected and fixed inside and outside two-tubely to hang in pile clamping box.When inside and outside two-tube height and ground surface soil 0.5 meter, general 8 clamping fuel tanks in pile clamping box, at most also start to clamp work with 20 clamping oil cylinders, outer tube (thickness of steel pipe must not be less than 2cm) is embraced jail, hydraulic traveling mechanism is utilized to adjust stake machine planeness subsequently, with total powerstation, transit two-way rectification inner and outer pipes verticality, guarantees that verticality is within code requirement.1.. open pressure pipe top cylinder system, guarantee inner and outer pipes to be pressed onto design elevation by the speed of each stroke 2-4 rice.2.. remove inner and outer pipes top coupling arrangement, utilize random crane or crawler crane that inner sleeve is extracted overcoat, pouring within the outer tube is subsequently highly H=2-2.5 rice 0.25-0.3m
3, the stone of particle diameter 15-30cm, concrete block and fragment of brick.3.. interior effective loop wheel machine is put into outer tube and fasten input material, clip pile system works embraces steel outer tube subsequently, jacking cylinder system starts, outer tube pulling out 1-1.5 rice (by designing requirement), stop lift-up device work, releasing grasping system works, clamping oil cylinder is replied inner, simultaneously jacking cylinder system is up walked a stroke about 1.8 meters, reply subsequently to fall bottom piling case and start the second stroke arrival inside top, grasping system work subsequently, clamping oil cylinder clips interior pipe top steel pipe and down walks, until static pressure in, outer steel pipe is synchronously pressed onto absolute altitude at the bottom of former design stake, stake end forms the first time auxiliary material expansion end, secondary batching is carried out subsequently according to designing requirement, feed intake for three times, all-hydraulic static pressure expands the end and expands the end through repeatedly auxiliary material.4.. according to design and test pile result, expand end maximum pressure value in conjunction with last static pressure, reach designing requirement meeting end resistance.5.. extract interior pipe, add 0.2-0.3m
3, the slump is the concrete of the C30-C50 of 3-6cm, and by that analogy, repeatedly all-hydraulic static pressure expands the end, final hydraulic control indoor static pressure, till when force value meets design requirement, otherwise repeats said procedure, until meet the requirement of design load single pile.6., extract interior pipe and transfer reinforcing cage: extract interior pipe, settle reinforcing cage, in reinforcing cage upper end, muscle is hung in welding, is connected with interior pipe and reinforcing cage with wire rope, guarantee reinforcing cage within the outer tube in the middle of vertical hanging pipe, to guarantee bottom reinforcing cage in enlarged footing between 0.5-1 rice simultaneously; 7., concrete perfusion pulls out outer tube: pour into concrete immediately after placing reinforcing cage, concrete slump controls between 8-10cm; In utilizing after filling concrete, pipe own wt is pressed in and fills in the outer tube of concrete, guarantees the compactness of concrete, then opens jacking cylinder system and starts tube drawing, until ground 15-25cm extracted by outer tube, cut off steel reinforcement cage hanging steel bar, form a complete expanded bore pile.
Its two: due to former pile compacting equipment (200 tons-1200 tons not etc.) will be made full use of under the prerequisite reducing cost of investment as far as possible, my company increases the column of clear height 2 meters on former pile clamping box top, transverse beam system is set at its top (because former grasping system only possesses a set of grasping system, internal pipe expansion bottom row journey is inadequate), interior, after outer tube is pressed onto design elevation simultaneously, extract interior pressure pipe, perfusion is expanded end auxiliary material and is expanded end concrete, interior pipe resets subsequently, clamping outer tube pulls out 1-1.5 rice, outer tube grasping system unclamps, pile clamping box jack-up system rises to the highest spacing, upper beam system reset is to interior pressure pipe top subsequently, pile clamping box jack-up system is down walked subsequently, crossbeam is driven to push down interior pipe, formed and expand bottom technique, by that analogy, complete round program pile (other technique NM at auxiliary material and the concrete expansion end, carry out with reference to new two cover clamping system process).
Non-Squeezing Soil Pile construction sequence, for increasing the dry step that fetches earth before enforcement soil compaction pile construction method step, adopts the two-tube dry step that fetches earth to be:
In interior pipe bottom, flap valve opening drawing out soil equipment is set, inner and outer pipe superposition is nested together, with diesel hammer interior pipe and outer tube synchronously impacted and bury, the flap valve that fetches earth due to flap valve opening drawing out soil equipment upwards can only close up and can not open downwards, in the process of burying, the outside soil flap valve that will fetch earth upwards squeezes, and soil constantly enters in interior pipe; The inner and outer tubes 4-6m that often buries extracts interior pipe and fetches earth once, and in the process of extracting interior pipe, the grave in interior pipe is lived by the flap valve that fetches earth; After interior pipe pulls away outer tube completely, in hitting downwards, pipe fetches earth end socket steel plate, drives the flap valve that fetches earth downward, and in the flap valve that makes to fetch earth departs from bottom pipe, the soil in interior pipe is freely scattered;
To align interior pipe with geological condition at any time and extract according to stake is long and unload native number of times, fetched earth until expand bottom, reached projected depth.
Interior pipe external diameter is less than outer tube diameter 5cm.
All-hydraulic static pressure two-tube compound expanded bore pile geological conditions is: silt, flour sand, bearing stratum thickness must not be less than three meters, and bearing stratum earth bearing strength is greater than 16T/m
3static pressure expands end auxiliary material and adopts the rubble of 15-30cm, concrete block or block brick, according to the requirement of designed bearing capacity of single pile, determine to fill quantity and the number of times that static pressure expands end auxiliary material, according to the gross weight of static pressure equipment, select last static pressure oil pressure tabular value to convert press-in static pressure, and align degree of lifting on inner and outer pipe and determine bellout diameter, guarantee that the end resistance that static pressure auxiliary material expands through static pressure is not less than design load (test pile test value reference value) at the end, just can reach the requirement of design bearing capacity.Reinforcing cage is welded with multiple tracks triangle protection muscle.
The utility model patent is the noiselessness, friction, the free of contamination construction that extend on " strong rammer vibration compound expanded bore pile " basis, technique is the process innovation again that two-tube compound bottom-enlarging filling pile is vibrated in hammering, adopt rubble, concrete block or brickbat static(al) reinforcing pile end bearing stratum, be solve at present in bearing course at pile end there is meagre soft interlayer and bearing stratum moisture content high and affect one of most effective method of bearing capacity of single pile.Adopt the same bearing capacity of single pile of tube pile construction, stake is long, and all about 30-45 rice, overall cost will improve about 40%, adopts this construction technology to want saving construction cost about 20-35% than original bored pile, is a kind of cheap and good-quality new pile-type, new technology.
The all-hydraulic static pressure of the utility model two-tube compound expanded bore pile machine and construction method establish Group Co., Ltd to be that ZL2013100569681:(Jiangsu Province house and the assessment of result of the town and country construction Room change in " strong rammer vibrates compound expanded bore pile " patent No. by building capital construction: " two-tube compound bottom-enlarging filling pile technology is vibrated in hammering ") basis on develop another friction, noiselessness, free of contamination construction machinery and the construction technology of growing.
Last it is noted that obviously, above-described embodiment is only for the utility model example is clearly described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of amplifying out or variation be still among protection domain of the present utility model.
Claims (3)
1. an all-hydraulic static pressure two-tube compound expanded bore pile machine, it is characterized in that: comprise clip pile system and be lifted on the intrasystem compound of clip pile two-tube, described compound is two-tube comprises inner and outer tubes, described interior pipe box is contained in outer tube, interior pipe external diameter is less than more than outer tube diameter 5cm, interior pipe 10-20cm shorter in outer tube, interior pipe upper seal steel plate diameter is greater than outer tube external diameter 2-3cm, and adopts coupling arrangement to fix on inner and outer pipes top; Outer tube thickness of steel pipe must not be less than 2cm.
2. all-hydraulic static pressure as claimed in claim 1 two-tube compound expanded bore pile machine, it is characterized in that: described clip pile system is made up of upper pile clamping box and lower pile clamping box, upper and lower two cover pile clamping box effective travel 3-5 rice, lower pile clamping box clamping outer tube, upper pile clamping box not only can clamp outer tube but also can clamp interior pipe, and in utilizing, pipe is exerted pressure to be formed and expanded end effect.
3. all-hydraulic static pressure as claimed in claim 1 two-tube compound expanded bore pile machine, it is characterized in that: described clip pile system comprises a lower pile clamping box, lower pile clamping box top is provided with the clamp support of a clear height 2 meters, piling stroke is 3-4 rice, clamp support is provided with top pressure transverse beam system, described top pressure transverse beam system just pushes up pipe in pressure on inner pipe, and the described top pressure transverse beam system interior pipe of square back-pressure on inner pipe, is formed and expand end effect.
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| CN201520412880.3U CN204703152U (en) | 2015-06-16 | 2015-06-16 | All-hydraulic static pressure two-tube compound expanded bore pile machine |
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| CN201520412880.3U CN204703152U (en) | 2015-06-16 | 2015-06-16 | All-hydraulic static pressure two-tube compound expanded bore pile machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895058A (en) * | 2015-06-16 | 2015-09-09 | 建基建设集团有限公司 | Full-hydraulic static-pressure dual-pipe composite expanded bore pile machine and construction method thereof |
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- 2015-06-16 CN CN201520412880.3U patent/CN204703152U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895058A (en) * | 2015-06-16 | 2015-09-09 | 建基建设集团有限公司 | Full-hydraulic static-pressure dual-pipe composite expanded bore pile machine and construction method thereof |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20180616 |