CN208266939U - A kind of hammer that impulses for transient stress dynamic testing by reflection wave pile body integrity - Google Patents
A kind of hammer that impulses for transient stress dynamic testing by reflection wave pile body integrity Download PDFInfo
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- CN208266939U CN208266939U CN201820329393.4U CN201820329393U CN208266939U CN 208266939 U CN208266939 U CN 208266939U CN 201820329393 U CN201820329393 U CN 201820329393U CN 208266939 U CN208266939 U CN 208266939U
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- power stick
- screw hole
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- power
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Abstract
The utility model discloses a kind of hammers that impulses for transient stress dynamic testing by reflection wave pile body integrity, including steel tup, first power stick, second power stick, adapter and nylon tup, one end of the second power stick side is provided with the second screw hole, and second the inside of screw hole be fixed with fixing bolt, tell that the inside of the second power stick is fixed with the first power stick, and first the side of power stick be evenly arranged with the first screw hole, first screw hole is connect with fixing bolt, the adapter is provided with the second preformed groove far from the side of the second power stick, and adapter is provided with nylon tup far from the side of the second power stick, the side of the nearly adapter of the nylon hammer head rest is fixed with and mutually matched second reserved block of the second preformed groove.The utility model is by being provided with the first screw hole, the second screw hole and fixing bolt, so that it is convenient for the adjusting of length convenient for the first power stick to be taken in the inside of the second power stick, it is easy to use.
Description
Technical field
It is specially a kind of to be used for transient stress Reflected Wave the utility model relates to detect pile body integrity technical field
The hammer that impulses of power detection pile body integrity.
Background technique
Stake is the principal mode of deep foundation, either common industry and civil buildings, or large-scale road, bridge,
Tunnel also or the construction of the offshore drilling platform of complex working condition environment, sea turn pylon be unable to do without pile foundation to support
Portion's structure, pile quality, that is, pile body integrity quality decide engineering safety, currently, domestic and international pile integrity detection is most
Effective method is exactly transient stress reflective wave method, and basic principle is that vertical exciting is carried out at the top of pile body, generates stress wave edge
Pile body propagate downwards, when there are the interface of obvious wave impedance difference (such as stake bottom, broken pile or major defect) or pile bodies to cut for pile body
When area change (such as undergauge or expanding) position, the back wave of uplink will be generated, received through stake top sensor, amplify, filter etc.
Data processing can recognize the reflective information from pile body different parts, calculate pile body velocity of wave, judge that pile body integrity, estimation are mixed
Solidifying soil strength grade and the practical stake of check are long, according to the incidence wave and the waveform of back wave, phase, amplitude, frequency in wave train figure
And the features such as arrival time of wave, determine list pile integrity and classification of pile integrity.
Currently, either domestic instrument and external instrument, are only configured with a hand hammer, for impulsing for stake top,
However, the factors thousand poor ten thousand such as the type of pile foundation, material, stake diameter, stake are long, defect size, type, buried depth and stratum for passing through
Not, it is difficult accurately to detect pile defect using only a hand hammer, often results in erroneous judgement or fails to judge, is caused seriously to engineering
Security risk, such as cast-in-situ bored pile, stake diameter, stake are long larger, and only using weight, any hammer could find a bottom and stake
Lower part defect, and PHC tubular pole, due to pile strength height, as long as a bottom particle vibration can be excited using the hammer of very little weight, from
And detect that actual stake is long, defect is in pile body deep for another example, if hammer is lighter, stress wave is difficult to propagate, it is impossible to
It was found that defect, and defect, in the superficial part of pile body, if hammer is overweight, the width of excitation pulse is excessive compared to defect, stress wave wave
Length it is too long, be not also found that defect, it can be seen that, hammering to transient stress sonic echo testing pile body integrity to close weight
It wants.
In order to solve to hammer this problem, we have carried out a large amount of correlative study work, after study, it has been found that for
For a specified hammer, the frequency range and dominant frequency inputted in pile body after hammering be it is substantially certain, this be by it hammer weight,
What hammer head material and size determined, therefore, it is actually detected in, the hammer of multiple and different weight should be configured, just can be suitably used in engineering
Different type pile, stake diameter, stake be long and the testing requirements such as various defects, therefore is badly in need of a kind of for transient stress reflective wave method power
Detection pile body integrity impulses hammer to meet the use demand of people.
Utility model content
The purpose of this utility model is to provide a kind of for transient stress dynamic testing by reflection wave pile body integrity
Impulse hammer, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: one kind being used for transient stress Reflected Wave
Power detects the hammer that impulses of pile body integrity, including steel tup, the first power stick, the second power stick, adapter and nylon tup, described
One end of second power stick side is provided with the second screw hole, and the inside of the second screw hole is fixed with fixing bolt, tells the second power stick
Inside be fixed with the first power stick, and the side of the first power stick is evenly arranged with the first screw hole, first screw hole and fixed spiral shell
It tethers and connects, the top of the first power stick is fixed with the first reserved block, and the first power stick is provided with far from one end of the second power stick
Steel tup, the steel tup are provided with reserved with the first reserved block mutually matched first close to the side of the first power stick
Slot, the second power stick is fixed with fixed block far from one end of the first power stick, and the second power stick is set far from one end of the first power stick
It is equipped with adapter, the adapter is provided with fixing groove close to the side of the second power stick, and fixing groove is connect with fixed block, described
Adapter is provided with the second preformed groove far from the side of the second power stick, and adapter is provided with nylon far from the side of the second power stick
The side of tup, the nearly adapter of the nylon hammer head rest is fixed with and mutually matched second reserved block of the second preformed groove.
Preferably, it is provided with internal screw thread on the inner sidewall of first preformed groove, the second preformed groove and fixing groove, the
It is provided on the lateral wall of one reserved block, fixed block and the second reserved block and the mutually matched external screw thread of internal screw thread.
Preferably, the surface of the second power stick is provided with anti-corrosion layer.
Preferably, the aperture of first screw hole and the second screw hole is equal.
Preferably, the inside of the second power stick is uniformly fixed with reinforcing rib.
Compared with prior art, the utility model has the beneficial effects that this is used for transient stress dynamic testing by reflection wave
Pile body integrity impulse hammer by be provided with the first preformed groove, the first reserved block, fixed block, fixing groove, the second reserved block with
And second preformed groove, so that internal screw thread is provided on the inner sidewall of the first preformed groove, the second preformed groove and fixing groove, first
Be provided on the lateral wall of reserved block, fixed block and the second reserved block with the mutually matched external screw thread of internal screw thread so that steel
Tup, adapter and nylon tup processed can carry out spiral and fix and dismantle, convenient for the nylon hammer of fixed different size
Head, so that being substantially increased convenient for convenient for detecting long various pile-type, stake diameter, stake, shallow defects, deep defect, multiple defects etc.
Detection accuracy, applicability is stronger, while device is by being provided with the first screw hole, the second screw hole and fixing bolt, so that being convenient for
The inside that first power stick is taken in the second power stick is convenient for the adjusting of length, easy to use, while device is added by being provided with
Strengthening tendons considerably increase the intensity of the second power stick, easy to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial cutaway schematic of the utility model.
In figure: 1- steel tup；The first reserved block of 2-；The first preformed groove of 3-；The first screw hole of 4-；5- the first power stick；6-
Two screw holes；7- fixing bolt；8- the second power stick；9- fixed block；10- adapter；The second preformed groove of 11-；12- fixing groove；13-
Two reserved blocks；14- nylon tup；15- reinforcing rib；16- anti-corrosion layer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of embodiment provided by the utility model referring to FIG. 1-2: one kind is examined for transient stress reflective wave method power
The hammer that impulses of pile body integrity, including steel tup 1, the first power stick 5, the second power stick 8, adapter 10 and nylon tup 14 are surveyed,
One end of second power stick, 8 side is provided with the second screw hole 6, and the inside of the second screw hole 6 is fixed with fixing bolt 7, tells second
The inside of power stick 8 is fixed with the first power stick 5, and the side of the first power stick 5 is evenly arranged with the first screw hole 4, the first screw hole 4 and
The aperture of two screw holes 6 is equal, fixed convenient for fixing bolt 7, and the first screw hole 4 is connect with fixing bolt 7, the top of the first power stick 5
Be fixed with the first reserved block 2, and the first power stick 5 is provided with steel tup 1 far from one end of the second power stick 8, the second power stick 8 it is interior
Portion is uniformly fixed with reinforcing rib 15, increases intensity, and steel tup 1 is provided with and the first reserved block 2 close to the side of the first power stick 5
Mutually matched first preformed groove 3 is provided on the inner sidewall of first preformed groove 3, the second preformed groove 11 and fixing groove 12
Internal screw thread, is provided on the lateral wall of the first reserved block 2, fixed block 9 and the second reserved block 13 and internal screw thread cooperates
External screw thread, convenient for the nylon tup 14 of fixed different size, so that convenient for convenient for detecting, various pile-type, stake diameter, stake be long, superficial part
Defect, deep defect, multiple defects etc., substantially increase detection accuracy, and applicability is stronger, and the second power stick 8 is far from the first power stick 5
One end be fixed with fixed block 9, and the second power stick 8 is provided with adapter 10 far from one end of the first power stick 5, the second power stick 8
Surface is provided with anti-corrosion layer 16, and adapter 10 is provided with fixing groove 12 close to the side of the second power stick 8, and fixing groove 12 and solid
Determine the connection of block 9, adapter 10 is provided with the second preformed groove 11 far from the side of the second power stick 8, and adapter 10 is far from the second power
The side of stick 8 is provided with nylon tup 14, and nylon tup 14 is fixed with and 11 phase of the second preformed groove close to the side of adapter 10
The second reserved block 13 mutually cooperated.
Working principle: in use, connecting the first screw hole 4 with the second screw hole 6 by fixing bolt 7 first, to adjust
The total length of the first power stick 5 and the second power stick 8 is saved, later due to the first preformed groove 3, the second preformed groove 11 and fixing groove 12
It is provided with internal screw thread on inner sidewall, is provided on the lateral wall of the first reserved block 2, fixed block 9 and the second reserved block 13
With the mutually matched external screw thread of internal screw thread so that convenient for the nylon tup 14 and steel tup 1, Zhi Houkai of fixed different size
Beginning is detected, and successively chooses the nylon tup 14 of different size later and steel tup 1 is detected, testing result
It is more accurate.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of hammer that impulses for transient stress dynamic testing by reflection wave pile body integrity, including steel tup (1), first
Power stick (5), the second power stick (8), adapter (10) and nylon tup (14), it is characterised in that: the second power stick (8) side
One end is provided with the second screw hole (6), and the inside of the second screw hole (6) is fixed with fixing bolt (7), tells the second power stick (8)
Inside is fixed with the first power stick (5), and the side of the first power stick (5) is evenly arranged with the first screw hole (4), first screw hole
(4) it is connect with fixing bolt (7), the top of the first power stick (5) is fixed with the first reserved block (2), and the first power stick (5) is remote
One end from the second power stick (8) is provided with steel tup (1), and the steel tup (1) is arranged close to the side of the first power stick (5)
Have and mutually matched first preformed groove (3) of the first reserved block (2), the one end of the second power stick (8) far from the first power stick (5)
It is fixed with fixed block (9), and the second power stick (8) is provided with adapter (10), the adapter far from one end of the first power stick (5)
(10) it is provided with fixing groove (12) close to the side of the second power stick (8), and fixing groove (12) is connect with fixed block (9), it is described suitable
Accessory (10) is provided with the second preformed groove (11) far from the side of the second power stick (8), and adapter (10) is far from the second power stick (8)
Side be provided with nylon tup (14), the nylon tup (14) close to the side of adapter (10) be fixed with it is second reserved
Mutually matched second reserved block (13) of slot (11).
2. a kind of hammer that impulses for transient stress dynamic testing by reflection wave pile body integrity according to claim 1,
It is characterized by: in being provided on the inner sidewall of first preformed groove (3), the second preformed groove (11) and fixing groove (12)
Screw thread is provided on the lateral wall of the first reserved block (2), fixed block (9) and the second reserved block (13) mutual with internal screw thread
The external screw thread of cooperation.
3. a kind of hammer that impulses for transient stress dynamic testing by reflection wave pile body integrity according to claim 1,
It is characterized by: the surface of the second power stick (8) is provided with anti-corrosion layer (16).
4. a kind of hammer that impulses for transient stress dynamic testing by reflection wave pile body integrity according to claim 1,
It is characterized by: the aperture of first screw hole (4) and the second screw hole (6) is equal.
5. a kind of hammer that impulses for transient stress dynamic testing by reflection wave pile body integrity according to claim 1,
It is characterized by: the inside of the second power stick (8) is uniformly fixed with reinforcing rib (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820329393.4U CN208266939U (en) | 2018-03-12 | 2018-03-12 | A kind of hammer that impulses for transient stress dynamic testing by reflection wave pile body integrity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820329393.4U CN208266939U (en) | 2018-03-12 | 2018-03-12 | A kind of hammer that impulses for transient stress dynamic testing by reflection wave pile body integrity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208266939U true CN208266939U (en) | 2018-12-21 |
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ID=64674606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820329393.4U Expired - Fee Related CN208266939U (en) | 2018-03-12 | 2018-03-12 | A kind of hammer that impulses for transient stress dynamic testing by reflection wave pile body integrity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208266939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609750A (en) * | 2020-04-02 | 2021-04-06 | 健研检测集团有限公司 | Detection hammer and detection device |
-
2018
- 2018-03-12 CN CN201820329393.4U patent/CN208266939U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609750A (en) * | 2020-04-02 | 2021-04-06 | 健研检测集团有限公司 | Detection hammer and detection device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |