CN208396651U - Rectangle pile foundation drilling construction equipment - Google Patents
Rectangle pile foundation drilling construction equipment Download PDFInfo
- Publication number
- CN208396651U CN208396651U CN201820542366.5U CN201820542366U CN208396651U CN 208396651 U CN208396651 U CN 208396651U CN 201820542366 U CN201820542366 U CN 201820542366U CN 208396651 U CN208396651 U CN 208396651U
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- Prior art keywords
- drill bit
- rectangle
- pile foundation
- drilling
- drilling rod
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- Expired - Fee Related
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- 238000005553 drilling Methods 0.000 title claims abstract description 81
- 238000010276 construction Methods 0.000 title claims abstract description 57
- 238000005520 cutting process Methods 0.000 claims abstract description 13
- 239000003351 stiffener Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 4
- 229910000754 Wrought iron Inorganic materials 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000009740 moulding (composite fabrication) Methods 0.000 description 21
- 239000002689 soil Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
- Earth Drilling (AREA)
Abstract
The utility model relates to a kind of rectangle pile foundation drilling construction equipment, belong to pile foundation technology field, for solving the problem of that current rectangle pile foundation pore-forming leads to that construction efficiency is lower, there are security risks using hand excavation.The equipment includes rack, pylon, drive system, drilling rod, appts. for transferring ready-mixed concrete, drill bit and casing, pylon is fixedly installed by the tower bracket being set in rack, drive system is set on tower bracket, drilling rod is set on pylon, drilling rod one end is equipped with power head, drill bit is arranged in the other end, appts. for transferring ready-mixed concrete is fixedly connected with power head, casing is set on the outside of drilling rod, drill bit is three, two of them drill bit is circle, one drill bit is rectangle, three drill bits can be used alternately in replacement, the diameter of three drill bits is all different, the diameter of rectangle drill bit is located between the diameter of other two circular bite, rectangle drill bit includes cutting native cutter head and cutting native blade.
Description
Technical field
The utility model relates to pile foundation technology field, in particular to a kind of rectangle pile foundation drilling construction equipment.
Background technique
Rectangular pile is bigger than the rigidity of same sectional area circle stake, bending resistance is high, therefore can bear larger vertical load and water
It puts down to load.In high slope preventing engineering, rectangular pile is using relatively broad.The key application of rectangular pile is its pore-forming hardly possible, at present
The mode of manually digging hole is mostly used to carry out the construction of large scale rectangular pile.But manually digging hole is needed using single-unit retaining wall, construction effect more
Rate is lower, and another manually digging hole is more than also to need to take the safety measures such as ventilation after certain depth, therefore manually digging hole is not able to satisfy and applies
The requirement of work duration, safety etc..Therefore, how a kind of convenient and fast rectangle pile foundation pore-forming equipment of high construction efficiency is provided, is this
The technical issues of field technical staff's urgent need to resolve.
Utility model content
The purpose of this utility model is to provide a kind of rectangle pile foundation drilling construction equipment, for solving current rectangle pile foundation
Pore-forming uses hand excavation, leads to that construction efficiency is lower, there are problems that security risk.The scheme of the rectangle pile foundation pore-forming is main
Using subsection hole-drilling, the drilling depth of every section of rectangle pile foundation is designed, every section of rectangle pile foundation is using three kinds of various forms of drill bits point
It is sequentially completed drilling construction three times, drills to be formed using surrounding of the smallest circular bite of diameter in rectangle pile foundation section for the first time
Four circular holes are used the maximum circular bite of diameter for the second time, the soil body between four circular holes are excavated, is locked for the third time with stake top
As guiding wall on the inside of mouth beam, hole wall is modified using rectangle drill bit, cuts off the remaining soil body, thus by drilling three times
The drilling construction of one section of rectangle pile foundation is completed, is so recycled, until completing the drilling construction of all sections of rectangle pile foundations.
In order to solve the above technical problems, the technical solution of the utility model is as follows:
A kind of rectangle pile foundation drilling construction equipment, including rack, pylon, drive system, drilling rod, appts. for transferring ready-mixed concrete,
Drill bit and casing, the pylon are fixedly installed by the tower bracket being set in rack, and the drive system is set to pylon
On bracket, the drilling rod is set on pylon, and described drilling rod one end is equipped with power head, and the brill is arranged in the drilling rod other end
Head, the appts. for transferring ready-mixed concrete are fixedly connected with the power head, and the casing is set on the outside of the drilling rod, the drill bit
It is three, the cross sectional shape of two of them drill bit is circle, and the cross sectional shape of a drill bit is rectangle, and three drill bits can
Alternately replacement uses, and the diameter of three drill bits is all different, and the diameter of the rectangle drill bit is located at other two circle brill
Between the diameter of head, the rectangle drill bit includes cutting native cutter head and cutting native blade.
Compared with prior art, the utility model is beneficial has the technical effect that
(1) rectangle pile foundation drilling construction, hole depth, aperture are carried out using the rectangle pile foundation drilling construction equipment of the utility model
Meet design requirement, and can guarantee verticality no more than 1%.
(2) compared with manually digging hole construction, speed of application can be significantly improved, pore-forming efficiency is high.
(3) rectangle pile foundation drilling construction is carried out using the rectangle pile foundation drilling construction equipment of the utility model, with excavated by manual work
It compares in hole, it is possible to reduce retaining wall earthwork evacuation and breast wall concrete pour, to reduce construction cost.
(4) rectangle pile foundation pore-forming equipment provided by the utility model carries out rectangle pile foundation drilling construction, and hole quality is stablized,
Construction safety coefficient is high, has preferably promotional value.
Further, take soil to the soil body after prescribed depth to successfully excavate the circular bite of two kinds of different-diameters,
The casing of the rectangle drill bit is rectangular.
Further, in order to adapt to different soil cutting constructions, the rigidity and bending resistance of guarantee rectangle drill bit are described
Casing and described cut are additionally provided with ribbed stiffener between native blade.
Further, in order to draw materials conveniently, the ribbed stiffener is rod iron or steel plate.
Further, the drill bit is set in the drilling rod core pipe of the drilling rod.
Further, in order to modify to hole wall, the part soil body that excision circular bite is not yet cut off, the rectangle is bored
Head is cut to be additionally provided on native blade and cuts the native edge of a knife.
Detailed description of the invention
Fig. 1 is the schematic diagram of rectangle drill bit in the utility model embodiment；
Fig. 2 to Fig. 4 is step 3~step 5 construction process figure in the utility model embodiment.
In figure:
The smallest circular bite drilling of 1- diameter；The maximum circular bite drilling of 2- diameter；3- rectangle drill bit bores
Hole；4- drilling rod core pipe；5- cuts native blade；6- cuts native cutter head.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to the utility model proposes rectangle pile foundation drilling construction equipment make into one
Step is described in detail.According to following explanation and claims, will be become apparent from feature the advantages of the utility model.It should be noted
It is that attached drawing is all made of very simplified form and using non-accurate ratio, only to facilitate, lucidly aid in illustrating this reality
With the purpose of new embodiment.For sake of convenience, "upper" described below, "lower" are consistent with the upper and lower direction of attached drawing, but
This can't be the limitation of technical solutions of the utility model.
The utility model is illustrated by taking certain reconstruction and extension project as an example, the reconstruction and extension project core space high slope supporting and retaining system knot
Structure partially uses peg board formula retaining wall, and pile foundation is having a size of 2.0 × 2.5m, stake spacing 3.0m, the long 24~31m of stake.According to prospecting
Engineering data discloses, and place master stratum is to banket (miscellaneous fill, plain fill), plough soil, silt and circle gravel.It is close~closely knit in circle gravel
State locally has Sand lens and interlayer, in it is close.According to Geological condition, maximum pile depth is gravel layer, the soil layer
Hand excavation's difficulty is larger.According to manually digging hole, every digging depth 1m or so is put into a truncated cone shape template, in template and hole wall
Between casting concrete retaining wall, it is every to dig one section and protect one section, form a ladder set retaining wall and then transfer until reach projected depth
Steel reinforcement cage pours pile concrete.The manually digging hole scheme needs each section of carry out retaining wall, after concrete reaches some strength
Demoulding can be carried out to retaining wall, reduce construction efficiency, and manually digging hole labor intensity is larger, safety is poor.
Embodiment one
Referring to FIG. 1, a kind of rectangle pile foundation drilling construction equipment, including rack, pylon, drive system, drilling rod, concrete
Conveying device, drill bit and casing, pylon are fixedly installed by the tower bracket being set in rack, and drive system is set to pylon
On bracket, drilling rod is set on pylon, and drilling rod one end is equipped with power head, and drill bit is arranged in the drilling rod other end, and certainly, drill bit is set to
In the drilling rod core pipe 4 of drilling rod；Appts. for transferring ready-mixed concrete is fixedly connected with power head, and casing is set on the outside of drilling rod, drill bit three
A, the cross sectional shape of two of them drill bit is circle, and the cross sectional shape of a drill bit is rectangle, and three drill bits can be replaced alternately
It uses, the diameter of three drill bits is all different, and the smallest drill bit of diameter and the maximum drill bit of diameter are circular bite, and rectangle bores
The diameter of head is located between the diameter of other two circular bite, and rectangle drill bit includes cutting native cutter head 5 and cutting native blade 6.
In order to modify to hole wall, the part soil body that excision circular bite is not yet cut off, cutting for rectangle drill bit is additionally provided on native blade 5
Cut the native edge of a knife.
Specifically, after circular bite takes soil to prescribed depth, upper rectangle is replaced in the drilling rod core pipe 4 of drilling rod one end
Drill bit, and using fore shaft beam inside as guiding wall, hole wall is modified using rectangle drill bit, cuts off the remaining soil body, from
And rectangular pile drilling construction is carried out in such a way that circular bite is combined with rectangle drill bit, construction efficiency is substantially increased, is saved
Construction cost is saved.
Please refer to Fig. 2~Fig. 4, the present embodiment additionally provide the rectangle pile foundation drilling construction equipment using the utility model into
The construction method of row drilling construction.
Aiming at the problem that manually digging hole, the present embodiment uses the construction method of mechanical hole building.It specifically includes: construction layout →
Stake top fore shaft pours → pore-forming → borehole cleaning → decentralization steel reinforcement cage → concreting, and wherein pore-forming technique need to be using three kinds of different brills
Capitiform formula carries out taking soil, and to avoid pore-forming is too deep from causing the hole that collapses, delimiting every 3~4m is one section of progress pore-forming.It is a length of with 25m
Example, need to carry out 7~8 sections of pore-formings.Every section of drilling construction process: 800 long screw auger drilling of φ → 1800 large aperture churning driven of φ is (i.e.
Circular bite) drilling → 1.2m rectangle churning driven finishing, during every section of drilling construction, it is to be ensured that third time rectangle drill bit bores
Soil amount is cut less in hole, to prevent the hole that collapses.
A kind of construction method of rectangle pile foundation pore-forming, includes the following steps:
Step 1: stake top fore shaft is constructed；
Step 2: the geological condition according to locating for rectangle pile foundation, to rectangle pile foundation subsection hole-drilling, and designs every section of rectangular pile
The drilling depth of base, provides rectangle pile foundation drilling construction equipment, and construction equipment includes long-spiral drilling machine, mating is provided with long spire
Drill bit, a diameter are greater than the rectangle drill bit and a circular bite of long spiral drilling head, and the diameter of circular bite is maximum；Especially
Ground, it is contemplated that it needs to carry out taking soil using three kinds of different drill bit forms in construction method, to avoid pore-forming is too deep from causing the hole that collapses,
Delimiting every 4m~5m is one section of progress pore-forming, so that the drilling depth of every section of rectangle pile foundation is about 4m~5m.
Step 3: selecting long spiral drilling head drilling 1, drill at four angles in first section rectangle pile foundation section to this section of rectangle
The drilling depth of pile foundation forms four circular holes contour with the drilling depth of this section of rectangle pile foundation；Certainly, boring procedure is using low
Speed drilling, vibrates to reduce in drilling process, avoids the hole that collapses as far as possible, guarantee the safety of pore-forming.
Step 4: selecting circular bite drilling 2, drill in the center in first section rectangle pile foundation section to this section of rectangular pile
The drilling depth of base, so that the soil body between four circular holes be excavated；Whole process, which should be noted that, to backbreak, in order to avoid to lower vice-minister
Twist bit takes soil to impact.
Step 5: using stake top fore shaft fore shaft beam on the inside of as guiding wall, selection rectangle bit bore 3, to hole wall into
Row finishing, cuts off this section of remaining soil body of rectangle pile foundation, ensures verticality less than 1% in cutting process；
Step 6: repeating abovementioned steps three to step 5, multistage rectangle pile foundation boring is completed, until all sections of rectangle pile foundations
The sum of drilling depth reaches the projected depth of rectangle pile foundation.
In the present embodiment, preferably, in order to adapt to different soil cutting constructions, guarantee the rigidity of rectangle drill bit and resist
Curved ability is additionally provided with ribbed stiffener between circular frame and rectangular hollow cutting plate.In order to draw materials conveniently, the ribbed stiffener is rod iron
Or steel plate.
It is applied in conclusion carrying out rectangle pile foundation pore-forming using rectangle pile foundation drilling construction equipment provided by the utility model
Work, hole depth, aperture meet design requirement, and can guarantee verticality no more than 1%.In addition, being to survey with the long 24m rectangular pile of stake
Object is calculated, about 7 sections need to be carried out using rectangle pile foundation pore-forming equipment progress pore-forming and constructed, the pore-forming time 2 days.And manually digging hole, 24m
Stake is long need to carry out 24 sections of constructions, consider retaining wall striking time, the 1 day time of every section of need needs to construct under the influence of the factors such as no weather
24 days.As it can be seen that carrying out drilling construction compared with manually digging hole construction using rectangle pile foundation pore-forming equipment, construction can be significantly improved
Speed, pore-forming efficiency are high.And rectangle pile foundation drilling construction is carried out using the rectangle pile foundation drilling construction equipment of the utility model,
Compared with manually digging hole, it is possible to reduce retaining wall earthwork evacuation and breast wall concrete pour, to reduce construction cost.At
Hole matter construction efficiency is high, use cost is low.
Foregoing description is only the description to the utility model preferred embodiment, not to any limit of the scope of the utility model
Fixed, any change, the modification that the those of ordinary skill in the utility model field does according to the disclosure above content belong to right and want
Seek the protection scope of book.
Claims (6)
1. rectangle pile foundation drilling construction equipment, which is characterized in that including rack, pylon, drive system, drilling rod, concrete conveyance
Device, drill bit and casing, the pylon are fixedly installed by the tower bracket being set in rack, and the drive system is set to
On tower bracket, the drilling rod is set on pylon, and described drilling rod one end is equipped with power head, described in drilling rod other end setting
Drill bit, the appts. for transferring ready-mixed concrete are fixedly connected with the power head, and the casing is set on the outside of the drilling rod, the brill
Head is three, and the cross sectional shape of two of them drill bit is circle, and the cross sectional shape of a drill bit is rectangle, three drill bit energy
Enough alternately replacements use, and the diameter of three drill bits is all different, and the diameter of the rectangle drill bit is located at other two circle
Between the diameter of drill bit, the rectangle drill bit includes cutting native cutter head and cutting native blade.
2. rectangle pile foundation drilling construction equipment as described in claim 1, which is characterized in that the casing of the rectangle drill bit is side
Shape.
3. rectangle pile foundation drilling construction equipment as described in claim 1, which is characterized in that the casing cuts native blade with described
Between be additionally provided with ribbed stiffener.
4. rectangle pile foundation drilling construction equipment as claimed in claim 3, which is characterized in that the ribbed stiffener is rod iron or steel
Plate.
5. rectangle pile foundation drilling construction equipment as described in claim 1, which is characterized in that the drill bit is set to the drilling rod
Drilling rod core pipe on.
6. rectangle pile foundation drilling construction equipment as described in claim 1, which is characterized in that it is described cut to be additionally provided on native blade cut
The native edge of a knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820542366.5U CN208396651U (en) | 2018-04-17 | 2018-04-17 | Rectangle pile foundation drilling construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820542366.5U CN208396651U (en) | 2018-04-17 | 2018-04-17 | Rectangle pile foundation drilling construction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208396651U true CN208396651U (en) | 2019-01-18 |
Family
ID=65064982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820542366.5U Expired - Fee Related CN208396651U (en) | 2018-04-17 | 2018-04-17 | Rectangle pile foundation drilling construction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208396651U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505935A (en) * | 2018-04-17 | 2018-09-07 | 上海建工集团股份有限公司 | Rectangle pile foundation drilling construction equipment and construction method |
| CN113529759A (en) * | 2021-08-31 | 2021-10-22 | 中铁三局集团有限公司 | Construction method for mechanically excavating pile plate wall |
-
2018
- 2018-04-17 CN CN201820542366.5U patent/CN208396651U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505935A (en) * | 2018-04-17 | 2018-09-07 | 上海建工集团股份有限公司 | Rectangle pile foundation drilling construction equipment and construction method |
| CN113529759A (en) * | 2021-08-31 | 2021-10-22 | 中铁三局集团有限公司 | Construction method for mechanically excavating pile plate wall |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20190118 |