CN205530395U - Be applied to calibrating installation of foundation pile dynamic measurement appearance - Google Patents
Be applied to calibrating installation of foundation pile dynamic measurement appearance Download PDFInfo
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- CN205530395U CN205530395U CN201620094626.8U CN201620094626U CN205530395U CN 205530395 U CN205530395 U CN 205530395U CN 201620094626 U CN201620094626 U CN 201620094626U CN 205530395 U CN205530395 U CN 205530395U
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- foundation pile
- measuring instrument
- guide rail
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Abstract
The utility model discloses a be applied to calibrating installation of foundation pile dynamic measurement appearance, including standard pile, guide rail, weight and master gauge, the guide rail is vertical to be fixed the top surface of standard pile, the weight sets up on the guide rail and along vertical slips of this guide rail hammering afterwards the standard pile, the master gauge sets up on the standard pile respectively with the foundation pile dynamic measurement appearance that awaits measuring to it receives the wave form signal that produces after the hammering to detect this standard pile respectively. Compared with the prior art, the utility model discloses replace current stable state excitation mode with transient state excitation mode, more can reflect the real work condition of the foundation pile dynamic measurement appearance that awaits measuring, examine and determine more accurately.
Description
Technical field
The utility model relates to foundation pile fields of measurement, particularly relates to a kind of calibrating installation being applied to foundation pile dynamic measuring instrument.
Background technology
Foundation pile dynamic measuring instrument is for measuring foundation pile response under transient impact load effect, and according to the spectrum under surveyed time domain
Figure judges that whether intact foundation pile pile body is and indirectly judges the test analytical instrument of vertical bearing capacity of single pile.Foundation pile dynamic measuring instrument
The correctness measured is directly connected to the reliability of a testing result, therefore before measuring foundation pile response, to foundation pile kinetic measurement
The calibrating of instrument is particularly important.
At present, the calibration method of existing foundation pile dynamic measuring instrument generally uses stable state exciting mode to examine and determine it, and stable state swashs
Mode of shaking also does not meets the real work situation of foundation pile dynamic measuring instrument, fails to reflect its real work state, causes verification result
It is inaccurate.And owing to standard is all set up in Measurement Laboratory, it is impossible to tear open not utilize and carry, cause foundation pile is moved
The calibrating of state measuring instrument can only be carried out in Measurement Laboratory, examines and determine very inconvenient.Additionally, the calibrating of existing foundation pile dynamic measuring instrument
Method can not carry out real judge to the signal analysis part of foundation pile dynamic instrument, as signal analysis part increases institute's mapping spectrum distortion
Measure whether partial parameters meets truth etc..
Utility model content
The utility model is that the shortcoming overcoming prior art is with not enough, it is provided that a kind of calibrating dress being applied to foundation pile dynamic measuring instrument
Put, its to the calibrating of foundation pile dynamic measuring instrument more accurately, result is carried out effective Quantitative evaluation and without delivering to laboratory
Calibrating can be realized at the scene.
The utility model is achieved through the following technical solutions: a kind of calibrating installation being applied to foundation pile dynamic measuring instrument, including
Standard pile, guide rail, weight and standard meter；Described guide rail is vertically fixed on the end face of described standard pile；Described weight is arranged
Standard pile described in hammering after and vertically sliding along this guide rail on described guide rail；Described standard meter and foundation pile to be measured are dynamically surveyed
Amount instrument is separately positioned on standard pile, and detects this standard pile respectively by the waveform signal produced after hammering.
Compared to prior art, the utility model replaces existing stable state exciting mode in transient excitation mode, more can reflect to be measured
The real work situation of foundation pile dynamic measuring instrument, examines and determine more accurate；And required equipment and instrument is simple, it is the most convenient to build, can
To carry to scene, and the calibrating of foundation pile dynamic measuring instrument can be completed at the scene, it is not necessary to deliver to Measurement Laboratory.
Further, described standard meter includes standard transducer and reference waveform collecting unit；Described standard transducer and treating
The sensor surveying foundation pile dynamic measuring instrument is arranged on the end face of described standard pile, and the waveform letter produced by the standard pile measured respectively
Number it is sent to described reference waveform collecting unit and the collecting unit of foundation pile dynamic measuring instrument to be measured.
Further, a felt pan is also included；Described felt pan is laid on the end face of described standard pile.
Further, described weight is a spheroid or Rotary-table or spheroid or cube.
In order to be more fully understood that and implement, describe the utility model below in conjunction with the accompanying drawings in detail.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model is applied to the calibrating installation embodiment of foundation pile dynamic measuring instrument；
Detailed description of the invention
Referring to Fig. 1, it is the structural representation that the utility model is applied to the calibrating installation embodiment of foundation pile dynamic measuring instrument.
This calibrating installation being applied to foundation pile dynamic measuring instrument includes standard pile 1, guide rail 2, weight 3 and standard meter 4.Described lead
Rail 2 is vertically fixed on the end face of described standard pile 1；Described weight 3 is arranged on described guide rail 2 and vertical along this guide rail 2
Standard pile 1 described in hammering after slip.Described standard meter 4 and foundation pile dynamic measuring instrument 5 to be measured are separately positioned on standard pile 1
On, and detect this standard pile 1 respectively by the waveform signal produced after hammering.
Described standard meter 4 includes standard transducer 41 and reference waveform collecting unit 42.Described standard transducer 41 and treating
The sensor 51 surveying foundation pile dynamic measuring instrument is arranged on the end face of described standard pile 1, and the waveform letter produced by standard pile 1 respectively
Number it is sent to described reference waveform collecting unit 42 and the collecting unit 52 of foundation pile dynamic measuring instrument to be measured.Described standard transducer
41 and reference waveform collecting unit 42 can separately be used alone, to realize the sensor of foundation pile dynamic measuring instrument is carried out individually
Demarcate；Meanwhile, described standard transducer 41 and reference waveform collecting unit 42 can also be used in conjunction with, to realize a whole set of base
Whether stake dynamic measuring instrument is effectively demarcated, and then effectively judge the foundation pile dynamic measuring instrument institute mapping spectrum distortion parameter index such as
Validity.
For preventing standard pile 1 from being damaged by the hammering of weight 3, the utility model also includes a felt pan (not shown), described
Felt pan is laid on the end face of described standard pile 1.For convenience of the size of regulation impact pulse width time, the thickness of described felt pan can basis
Need to select different thickness.
Described weight 3 to the hammering energy of described standard pile 1 with vertical from described standard pile 1 of the quality of weight 3 and weight 3
Height increase and increase.Concrete, if the quality setting weight 3 as m, weight 3 from the vertically height of described standard pile 1 is
H, acceleration of gravity is g, and the gravitional force of the most described weight 3 is mgh.When weight 3 with zero initial velocity along institute
Stating after the vertical landing of guide rail 2 described in hammering during standard pile 1, the gravitional force of described weight 3 will convert into kinetic energy, according to energy
Law of conservation, described standard pile 1 hammering energy W is then met by described weight 3: W=mgh.
The size and shape of described weight 3 can change according to demand, is used for simulating different surge waveform.In the present embodiment, institute
Stating weight 3 is a spheroid or Rotary-table or spheroid or cube.
The most described weight in position 3 that described weight 3 is arranged on described guide rail 2 is adjustable from the vertical height of described standard pile 1
Joint, can quantitatively regulate the weight 3 size to the hammering energy of described standard pile 1 by regulating this height.
In the utility model, described weight 3 is on described guide rail 2 during landing, on the weight 3 diverse location on guide rail 2
Instantaneous velocity is different, and its instantaneous energy is the most different, i.e. weight 3 is to make described standard pile 1 produce in the way of transient excitation
Waveform change, it can reflect the real work situation of foundation pile dynamic measuring instrument, therefore to foundation pile dynamic measuring instrument 5 to be measured
It is the most accurate to examine and determine.
Compared to prior art, the calibrating installation being applied to foundation pile dynamic measuring instrument that the utility model provides is in transient excitation mode
Replace existing stable state exciting mode, more can reflect the real work situation of foundation pile dynamic measuring instrument to be measured, examine and determine more accurate；
Meanwhile, quality and height by regulation weight are quantitatively to regulate its hammering energy to standard pile, it is achieved that foundation pile to be measured is dynamic
The quantitative calibrating of instrument.Further, simulate different surge waveforms by difform weight, dynamically survey closer to foundation pile
The actual working state of amount instrument, calibrating effect is more accurate.Not only may be used by described standard transducer and reference waveform collecting unit
Individually demarcate with the sensor to foundation pile dynamic measuring instrument, it is also possible to a whole set of foundation pile dynamic measuring instrument is effectively demarcated,
Can effectively judge whether foundation pile dynamic measuring instrument institute mapping spectrum distortion waits the validity of parameter index.Additionally, it is of the present utility model
Equipment and instrument needed for calibrating installation is simple, it is the most convenient to build, and can carry to scene, and can complete foundation pile at the scene and dynamically survey
The calibrating of amount instrument, it is not necessary to deliver to Measurement Laboratory.
The utility model is not limited to above-mentioned embodiment, if to various changes of the present utility model or deformation without departing from this reality
By novel spirit and scope, if within the scope of these changes and deformation belong to claim of the present utility model and equivalent technologies,
Then the utility model is also intended to comprise these changes and deformation.
Claims (4)
1. the calibrating installation being applied to foundation pile dynamic measuring instrument, it is characterised in that: include standard pile, guide rail, weight and standard
Measuring instrument；Described guide rail is vertically fixed on the end face of described standard pile；Described weight is arranged on described guide rail and along this
Guide rail vertically slide after standard pile described in hammering；Described standard meter and foundation pile dynamic measuring instrument to be measured are separately positioned on mark
In quasi-stake, and detect this standard pile respectively by the waveform signal produced after hammering.
The calibrating installation being applied to foundation pile dynamic measuring instrument the most according to claim 1, it is characterised in that: described canonical measure
Instrument includes standard transducer and reference waveform collecting unit；Described standard transducer and the sensing of foundation pile dynamic measuring instrument to be measured
Device is arranged on the end face of described standard pile, and respectively the waveform signal that the standard pile of measurement produces is sent to described standard wave
Shape collecting unit and the collecting unit of foundation pile dynamic measuring instrument to be measured.
The calibrating installation being applied to foundation pile dynamic measuring instrument the most according to claim 2, it is characterised in that: also include a felt pan；
Described felt pan is laid on the end face of described standard pile.
4. according to the calibrating installation being applied to foundation pile dynamic measuring instrument described in claim 1-3 any claim, it is characterised in that:
Described weight is a spheroid or Rotary-table or spheroid or cube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620094626.8U CN205530395U (en) | 2016-01-29 | 2016-01-29 | Be applied to calibrating installation of foundation pile dynamic measurement appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620094626.8U CN205530395U (en) | 2016-01-29 | 2016-01-29 | Be applied to calibrating installation of foundation pile dynamic measurement appearance |
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| Publication Number | Publication Date |
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| CN205530395U true CN205530395U (en) | 2016-08-31 |
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| CN201620094626.8U Active CN205530395U (en) | 2016-01-29 | 2016-01-29 | Be applied to calibrating installation of foundation pile dynamic measurement appearance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544623A (en) * | 2016-01-29 | 2016-05-04 | 湖南省计量检测研究院 | Calibrating device and calibrating method applied to dynamic measuring instrument of foundation pile |
-
2016
- 2016-01-29 CN CN201620094626.8U patent/CN205530395U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544623A (en) * | 2016-01-29 | 2016-05-04 | 湖南省计量检测研究院 | Calibrating device and calibrating method applied to dynamic measuring instrument of foundation pile |
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| GR01 | Patent grant |