CN104763002B - Bored pile guide test system - Google Patents
Bored pile guide test system Download PDFInfo
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- CN104763002B CN104763002B CN201510192208.2A CN201510192208A CN104763002B CN 104763002 B CN104763002 B CN 104763002B CN 201510192208 A CN201510192208 A CN 201510192208A CN 104763002 B CN104763002 B CN 104763002B
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- hollow cylinder
- bored concrete
- concrete pile
- test system
- detection bar
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
Abstract
The present invention relates to architectural engineering technical field of measurement and test, disclose a kind of bored concrete pile guide rod test system for detecting piling quality.Utilize the present invention, can detect and construction is inserted the quality problems existing for steel reinforcement cage, be conducive to improving pile quality, reduce the risk of broken pile.During detection, when hollow cylinder is put into bored concrete pile, perfusion pile lining gives detection bar and one horizontal stress of connecting rod, makes slide block slide on guide rod, and elastomeric element is elongated.Hollow cylinder is affected by gravity to keep falling, and when bored concrete pile inwall has depression, elastomeric element can shorten by nature, and then increases the angle between detection bar and hollow cylinder；When bored concrete pile inwall projection, this protrusion gives detection bar and one horizontal pressure of connecting rod, makes the angle between detection bar and hollow cylinder diminish.The change of this angle can be sensed by strand formula induction apparatus, and is transmitted a signal in main frame by communication module.By flatness and the state of steel reinforcement cage of test analysis software analysis bored concrete pile interior surface, the quality that can be analyzed bored concrete pile by the detection of sliding of repeatedly different directions is the most qualified.
Description
Technical field
This use is novel relates to architectural engineering technical field of measurement and test, particularly relates to a kind of for testing bored concrete pile
The test system of guide rod quality.
Background technology
When bridges and culverts or high-building construction, it may be required piling.It is high that concrete has comprcssive strength,
But the characteristic that tensile strength is low, generally requires insertion steel reinforcement cage in the work progress of bored concrete pile and strengthens perfusion
The resistance to tension of stake, therefore the quality of steel reinforcement cage directly determines the quality of bored concrete pile.Filling pile construction at present
During the detection inserting steel reinforcement cage is still lacked due attention and effective measures, steel reinforcement cage was inserting
Cheng Zhong, also exists scattered cage, the quality problems of disconnected cage, have impact on the quality of bored concrete pile pile body, brings to building
Potential safety hazard.
Summary of the invention
It is an object of the invention to provide a kind of bored concrete pile guide rod test for detecting piling quality is
System, utilizes the present invention, can detect and insert the quality problems existing for steel reinforcement cage in construction, be conducive to carrying
High pile quality, reduces the risk of broken pile.
To achieve these goals, embodiments of the present invention provide a kind of bored pile guide and test system
System, including hollow cylinder 1；
Hollow cylinder 1 is provided with N bar and connects the guide rod 9 and N of this hollow cylinder 1 top and bottom
Group test device group, N is more than or equal to 2；This guide rod 9 is uniform in hollow cylinder 1 periphery with test device group
Distribution；The top of this N group test device group is positioned in same level；
This test device group is formed by testing device；These test devices include strand formula induction apparatus 3, detection
Bar 4, rotating shaft 5, connecting rod 6, slide block 7 and elastomeric element 8, this elastomeric element can be spring, it is possible to
To be other resilient parts of tool；This strand formula induction apparatus 3 is fixed on guide rod 9 or hollow cylinder 1；Should
One end of detection bar 4 is rotatably connected with strand formula induction apparatus 3；This strand formula induction apparatus 3 is used for detecting detection bar 4
And the angle change between guide rod 9；The other end of this detection bar 4 is rotated even by rotating shaft 5 with connecting rod 6
Connect；The other end of connecting rod 6 is rotatably connected with slide block 7；This slide block 7 can slide on guide rod 9；Bullet
Property parts 8 one end be connected to slide block 7 top, the other end be connected to strand formula induction apparatus 3 or detection bar 4 on；
These rotary shafts being rotatably connected are parallel to each other.
During detection, this hollow cylinder 1 is put in bored concrete pile, the test device top above hollow cylinder 1
On the inwall of bored concrete pile, the most affected by gravity keep falling, when bored concrete pile inwall out-of-flatness,
The amount of force acted on test device can change, and then changes elastomeric element 8 stress, tests device
Angle change therewith.Strand formula induction apparatus 3 can detect the change of angle, and the data detected is sent out
Delivering to main frame, this main frame can be the most common PC main frame, by test analysis software analysis bored concrete pile
The flatness of interior surface and the state of steel reinforcement cage, detected can be analyzed by the slip of repeatedly different directions
The quality going out bored concrete pile is the most qualified.
As preferably, this test device group is provided with no less than two groups of test devices in perpendicular.?
When being provided with many group test devices in perpendicular, when test, bored concrete pile inwall divides with the contact of test device
Cloth is in multiple planes so that test device can more smoothly be measured in bored concrete pile.
As preferably, being provided with detector 10 on detection bar 4, detector 10 is used for detecting bored concrete pile
Internal state.Utilize detector 10, it is possible to achieve wider array of model when transferring test, can be detected simultaneously by every time
Enclose, reduce detection number of times, promote detection efficiency.
Further, this detector 10 is photographic head.Pass through photographic head, it is possible to use PC is more intuitively
See the state inside bored concrete pile.
As preferably, hollow cylinder 1 is additionally provided with stay cord 2.After test completes, can pass through
Hollow cylinder 1 is pulled out from bored concrete pile by stay cord 2.
As preferably, it is marked with length scale at stay cord 2.By reading the scale on stay cord, permissible
Calculate the degree of depth inside surveyed bored concrete pile and pile bottom sediment thickness.
As preferably, strand formula induction apparatus 3 and detector 10 realize upper bit walk by cable, simultaneously
Can realize powering to strand formula induction apparatus and detector by cable, the signal collected be passed through electricity simultaneously
Cable is sent in main frame.
Further, strand formula induction apparatus 3 and detector 10 realize upper bit walk by wireless signal.Nothing
Line communication pattern has feature simply and easily for wired communication modes, permissible during detection
Do not worry that crossing elimination is disorderly, eliminate the trouble tidying up circuit after measurement terminates yet.
As preferably, rotating shaft 5 is provided with fixed pulley.Rotating shaft 5 arranges pulley, can avoid
Detection bar 4 and the connecting rod 6 contact wear directly and between bored concrete pile inwall, make the present invention in bored concrete pile
Can slide more swimmingly during measurement, also extend the service life of the present invention.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the first embodiment of the present invention.
Fig. 2 is operation principle schematic diagram of the present invention.
Fig. 3 is Cleaning Principle schematic diagram of the present invention.
Fig. 4 is the schematic perspective view of the second embodiment of the present invention.
Caption: 1, hollow cylinder；2, stay cord；3, strand formula induction apparatus；4, detection bar；5、
Rotating shaft；6, connecting rod；7, slide block；8, elastomeric element；9, guide rod；10, detector.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to this
Bright each embodiment is explained in detail.
For solving above-mentioned technical problem, first embodiment of the present invention provides a kind of bored concrete pile guide rod and surveys
Test system, including hollow cylinder 1；
Hollow cylinder 1 is provided with N bar and connects the guide rod 9 and N of this hollow cylinder 1 top and bottom
Group test device group, N is more than or equal to 2；This guide rod 9 is uniform in hollow cylinder 1 periphery with test device group
Distribution；The top of this N group test device group is positioned in same level；
This test device group is formed by testing device；These test devices include strand formula induction apparatus 3, detection
Bar 4, rotating shaft 5, connecting rod 6, slide block 7 and elastomeric element 8, this elastomeric element can be spring, it is possible to
To be other resilient parts of tool；This strand formula induction apparatus 3 is fixed on guide rod 9 or hollow cylinder 1；Should
One end of detection bar 4 is rotatably connected with strand formula induction apparatus 3；This strand formula induction apparatus 3 is used for detecting detection bar 4
And the angle change between guide rod 9；The other end of this detection bar 4 is rotated even by rotating shaft 5 with connecting rod 6
Connect；The other end of connecting rod 6 is rotatably connected with slide block 7；This slide block 7 can slide on guide rod 9；Bullet
Property parts 8 one end be connected to slide block 7 top, the other end be connected to strand formula induction apparatus 3 or detection bar 4 on；
These rotary shafts being rotatably connected are parallel to each other.
In the present invention, elastomeric element 8 is in short status time normal.As in figure 2 it is shown, by hollow cylinder 1
When putting into bored concrete pile, perfusion pile lining gives detection bar 4 and 6 one horizontal stress of connecting rod, makes slide block 7 exist
Sliding on guide rod 9, elastomeric element 8 is elongated.During detection, hollow cylinder 1 is affected by gravity constantly
Gliding, when bored concrete pile inwall has depression, elastomeric element 8 can shorten by nature, so increase detection bar 4 with
Angle between hollow cylinder 1；When bored concrete pile inwall projection, this protrusion gives detection bar 4 and connecting rod 6
One horizontal pressure, makes the angle between detection bar 4 and hollow cylinder 1 diminish.The change of this angle can
To be sensed by strand formula induction apparatus 3, and transmitted a signal in main frame by communication module.After having tested,
By pulling stay cord 2 to be pulled out from bored concrete pile by hollow cylinder 1.By test analysis software analysis bored concrete pile
The flatness of interior surface and the state of steel reinforcement cage, detected can be analyzed by the slip of repeatedly different directions
The quality going out bored concrete pile is the most qualified.
Affected by the parameter of detection bar 4, the length of connecting rod 6 and elastomeric element 8, different model
The detection bored concrete pile size difference that can detect of device.Denote the present invention in figure 3 to be suitable for
Measurement radius state diagram, in order to ensure detection degree of accuracy, this detection measurement device internal diameter should not be used big
In or equal to maximum detection detection diameter bored concrete pile.Meanwhile, for protection detection device, bored concrete pile internal diameter is little
Should avoid using this detection device when detection range minima.
The second embodiment of the present invention provides a kind of bored concrete pile guide rod test system, and the second is implemented
Mode is the further improvement of the first embodiment, mainly thes improvement is that: this test device group is perpendicular
It is provided with in straight plane no less than two groups of test devices.In the vertical direction arranges many group test devices, in detection
During, test device is distributed at least two levels with the contact of bored concrete pile inwall so that hollow cylinder
Body 1 can more smoothly be tested during gliding.
The third embodiment of the present invention provides a kind of bored concrete pile guide rod test system, and the third is implemented
Mode is the further improvement of the first embodiment, mainly thes improvement is that: be provided with on detection bar 4
Detector 10, detector 10 is used for detecting bored concrete pile internal state.This detector 10 can be laser acquisition
Device or Infrared Detectors, utilize detector 10, it is possible to achieve can utilize when transferring test every time laser or
The infrared wide range that is detected simultaneously by of person, reduces detection number of times, promotes detection efficiency.
The 4th kind of embodiment of the present invention provides a kind of bored concrete pile guide rod test system, the 4th kind of enforcement
Mode is the further improvement of the third embodiment, mainly thes improvement is that: this detector 10 is shooting
Head.By photographic head, can directly photograph the image inside bored concrete pile, utilize the PC can the most intuitively
See the state inside bored concrete pile, it is simple to analyze the quality of bored concrete pile.
The 5th kind of embodiment of the present invention provides a kind of bored concrete pile guide rod test system, the 5th kind of enforcement
Mode is the further improvement of the first embodiment, mainly thes improvement is that: set on hollow cylinder 1
There is stay cord 2.After test completion, by pulling stay cord, hollow cylinder 1 can be pulled out from bored concrete pile.
The 6th kind of embodiment of the present invention provides a kind of bored concrete pile guide rod test system, the 6th kind of enforcement
Mode is the further improvement of the 5th kind of embodiment, mainly thes improvement is that: this stay cord is marked with length
Scale.By reading the scale on stay cord, it is heavy to calculate at the bottom of the degree of depth inside surveyed bored concrete pile and stake
Slag thickness.
The 7th kind of embodiment of the present invention provides a kind of bored concrete pile guide rod test system, the 7th kind of enforcement
Mode is the further improvement of the first embodiment, mainly thes improvement is that: strand formula induction apparatus 3 and spy
Survey device 10 and realize upper bit walk by cable.In actual use, can be realized to strand formula by cable
Induction apparatus 3 and detector 10 are powered, and can also be realized the transmission of signal by identical cable simultaneously.
The 8th kind of embodiment of the present invention provides a kind of bored concrete pile guide rod test system, the 8th kind of enforcement
Mode is the further improvement of the 7th kind of embodiment, mainly thes improvement is that: wireless communication module is relative
There is for wire communication module feature simply and easily, can not worry that circuit is handed over during detection
Fork disorder, also eliminates the trouble tidying up circuit.
The 9th kind of embodiment of the present invention provides a kind of bored concrete pile guide rod test system, the 9th kind of enforcement
Mode is the further improvement of the first embodiment, mainly thes improvement is that: connect detection bar 4 with
The rotating shaft 5 of connecting rod 6 is provided with pulley.By arranging pulley in rotating shaft 5, can avoid detecting bar 4
And the contact wear that connecting rod 6 is directly and between bored concrete pile inwall, energy when making the present invention measure in bored concrete pile
Enough slide more swimmingly, also extend the service life of the present invention.
The respective embodiments described above are to realize the specific embodiment of the present invention, and those of ordinary skill in the art can
To understand, and in actual applications, can to it, various changes can be made in the form and details, without departing from
The spirit and scope of the present invention.
Claims (9)
1. a bored pile guide test system, it is characterised in that include hollow cylinder (1)；
Described hollow cylinder (1) is provided with N bar and connects described hollow cylinder (1) top and the guide rod of bottom
(9) and N group test device group, N be more than or equal to 2；Described guide rod (9) and described test device group
It is uniformly distributed in described hollow cylinder (1) periphery；The top of described N group test device group is positioned at same level
On face；
Described test device group is formed by testing device；Test device includes strand formula induction apparatus (3), detection bar
(4), rotating shaft (5), connecting rod (6), slide block (7) and elastomeric element (8)；Described strand formula induction apparatus (3)
It is fixed on described guide rod (9) or described hollow cylinder (1)；One end of described detection bar (4) and described strand
Formula induction apparatus (3) is rotatably connected；Described strand formula induction apparatus (3) is used for detecting described detection bar (4) and institute
State the angle change between guide rod (9)；The other end of described detection bar (4) leads to described connecting rod (6)
Cross described rotating shaft (5) to be rotatably connected；The other end of described connecting rod (6) is rotatably connected with described slide block (7)；
Described slide block (7) can be in the upper slip of described guide rod (9)；One end of described elastomeric element (8) connects institute
Stating slide block (7) top, the other end is connected on described strand formula induction apparatus (3) or described detection bar (4)；
The described rotary shaft being rotatably connected is parallel to each other.
Bored pile guide the most according to claim 1 test system, it is characterised in that described test fills
Put group to be provided with in perpendicular no less than testing device described in two groups.
Bored pile guide the most according to claim 2 test system, it is characterised in that described detection bar
(4) being provided with detector (10), described detector (10) is used for detecting bored concrete pile internal state.
Bored pile guide the most according to claim 3 test system, it is characterised in that described detector
(10) it is photographic head.
Bored pile guide the most according to claim 1 test system, it is characterised in that described hollow cylinder
Body is additionally provided with stay cord (2).
Bored pile guide the most according to claim 5 test system, it is characterised in that described stay cord (2)
It is marked with length scale.
Bored pile guide the most according to claim 3 test system, it is characterised in that described strand formula sense
Device (3) and described detector (10) is answered to realize upper bit walk by cable.
Bored pile guide the most according to claim 3 test system, it is characterised in that described strand formula sense
Device (3) and described detector (10) is answered to realize upper bit walk by wireless signal.
9. test system according to any one bored pile guide described in claim 1 to 6, it is characterised in that
Described rotating shaft (5) is provided with fixed pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192208.2A CN104763002B (en) | 2015-04-22 | 2015-04-22 | Bored pile guide test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192208.2A CN104763002B (en) | 2015-04-22 | 2015-04-22 | Bored pile guide test system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104763002A CN104763002A (en) | 2015-07-08 |
| CN104763002B true CN104763002B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510192208.2A Active CN104763002B (en) | 2015-04-22 | 2015-04-22 | Bored pile guide test system |
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| Country | Link |
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| CN (1) | CN104763002B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236230A (en) * | 2021-05-19 | 2021-08-10 | 肖碧红 | Soil-wood pile foundation construction pile foundation hole positioning detection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3107458B2 (en) * | 1992-06-24 | 2000-11-06 | 英明 岸田 | Confirmation and increase method of bearing capacity of cast-in-place pile |
| CN1600998A (en) * | 2003-09-26 | 2005-03-30 | 中国科学院武汉岩土力学研究所 | Model test equipment for unsaturated earth pile base |
| CN201738301U (en) * | 2010-06-13 | 2011-02-09 | 万凌志 | Force measuring tubular pile |
| CN202031113U (en) * | 2011-04-23 | 2011-11-09 | 金文洪 | Five-dimensional digital detection system for cast-in-place pile hole |
| CN102286970A (en) * | 2011-06-24 | 2011-12-21 | 毕建东 | Whole process construction method of driven cast-in-place piles and special device for same |
| CN204849852U (en) * | 2015-04-22 | 2015-12-09 | 上海山顺土木工程技术有限公司 | Bored concrete pile pipe test system |
-
2015
- 2015-04-22 CN CN201510192208.2A patent/CN104763002B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3107458B2 (en) * | 1992-06-24 | 2000-11-06 | 英明 岸田 | Confirmation and increase method of bearing capacity of cast-in-place pile |
| CN1600998A (en) * | 2003-09-26 | 2005-03-30 | 中国科学院武汉岩土力学研究所 | Model test equipment for unsaturated earth pile base |
| CN201738301U (en) * | 2010-06-13 | 2011-02-09 | 万凌志 | Force measuring tubular pile |
| CN202031113U (en) * | 2011-04-23 | 2011-11-09 | 金文洪 | Five-dimensional digital detection system for cast-in-place pile hole |
| CN102286970A (en) * | 2011-06-24 | 2011-12-21 | 毕建东 | Whole process construction method of driven cast-in-place piles and special device for same |
| CN204849852U (en) * | 2015-04-22 | 2015-12-09 | 上海山顺土木工程技术有限公司 | Bored concrete pile pipe test system |
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| Publication number | Publication date |
|---|---|
| CN104763002A (en) | 2015-07-08 |
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